dovecot/original-hg/dovecot-1.2: src/master/login-process.c annotate

annotate src/master/login-process.c @ 9448:ab32d7e2c0d6 HEAD

imap-login: If imap_capability is set, show it in the banner instead of the default.

author	Timo Sirainen <tss@iki.fi>
date	Tue, 20 Oct 2009 15:49:01 -0400
parents	366a327b028b
children	19aee456cec3

rev	line source
8590 b9faf4db2a9f Updated copyright notices to include year 2009. Timo Sirainen <tss@iki.fi> parents: 8573 diff changeset	1 /* Copyright (c) 2002-2009 Dovecot authors, see the included COPYING file */
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	2
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	3 #include "common.h"
5887 3f2eb1b9c555 Support listening multiple sockets. SIGHUP also doesn't anymore recreate Timo Sirainen <tss@iki.fi> parents: 5846 diff changeset	4 #include "array.h"
532 3b53dd1280c6 I/O buffers now use real blocking instead of setting up a sub-ioloop to Timo Sirainen <tss@iki.fi> parents: 410 diff changeset	5 #include "ioloop.h"
5843 f655c4d4a419 Moved child process handling to child-process.[ch]. The hash table now uses Timo Sirainen <tss@iki.fi> parents: 5632 diff changeset	6 #include "hash.h"
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	7 #include "network.h"
764 f57c52738f90 Renamed IBuffer and OBuffer to IStream and OStream which describes their Timo Sirainen <tss@iki.fi> parents: 747 diff changeset	8 #include "ostream.h"
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	9 #include "fdpass.h"
727 8dd8ebe6bcac We use close-on-exec flag now to make sure that master process closes the Timo Sirainen <tss@iki.fi> parents: 722 diff changeset	10 #include "fd-close-on-exec.h"
697 7814b29d0862 Created env_put() and env_clean() for a bit easier handling of environment Timo Sirainen <tss@iki.fi> parents: 666 diff changeset	11 #include "env-util.h"
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	12 #include "restrict-access.h"
722 0438621d25ff Added virtual memory size limits to processes. Default values are pretty Timo Sirainen <tss@iki.fi> parents: 699 diff changeset	13 #include "restrict-process-size.h"
5887 3f2eb1b9c555 Support listening multiple sockets. SIGHUP also doesn't anymore recreate Timo Sirainen <tss@iki.fi> parents: 5846 diff changeset	14 #include "dup2-array.h"
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	15 #include "login-process.h"
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	16 #include "auth-process.h"
1055 a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3 Timo Sirainen <tss@iki.fi> parents: 1039 diff changeset	17 #include "mail-process.h"
1035 fe49ece0f3ea We have now separate "userdb" and "passdb". They aren't tied to each others Timo Sirainen <tss@iki.fi> parents: 1000 diff changeset	18 #include "master-login-interface.h"
2000 c7c19f5071c3 Write all logging through master process. Fixes problems with log rotation, Timo Sirainen <tss@iki.fi> parents: 1997 diff changeset	19 #include "log.h"
3901 0ae5f5b468b7 Put ssl-parameters file into login directory so it still can be accessed Timo Sirainen <tss@iki.fi> parents: 3889 diff changeset	20 #include "ssl-init.h"
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	21
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	22 #include <unistd.h>
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	23 #include <syslog.h>
4649 a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	24 #include <sys/stat.h>
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	25
8666 ca964325664e If all login processes are in use and we can't create a new one, log a warning. Timo Sirainen <tss@iki.fi> parents: 8632 diff changeset	26 #define LOGIN_LIMIT_WARNING_MIN_INTERVAL (60*5)
ca964325664e If all login processes are in use and we can't create a new one, log a warning. Timo Sirainen <tss@iki.fi> parents: 8632 diff changeset	27
903 fd8888f6f037 Naming style changes, finally got tired of most of the typedefs. Also the Timo Sirainen <tss@iki.fi> parents: 876 diff changeset	28 struct login_process {
5843 f655c4d4a419 Moved child process handling to child-process.[ch]. The hash table now uses Timo Sirainen <tss@iki.fi> parents: 5632 diff changeset	29 struct child_process process;
f655c4d4a419 Moved child process handling to child-process.[ch]. The hash table now uses Timo Sirainen <tss@iki.fi> parents: 5632 diff changeset	30
1055 a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3 Timo Sirainen <tss@iki.fi> parents: 1039 diff changeset	31 struct login_group *group;
4538 9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	32 struct login_process prev_prelogin, next_prelogin;
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	33 int refcount;
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	34
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	35 pid_t pid;
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	36 int fd;
903 fd8888f6f037 Naming style changes, finally got tired of most of the typedefs. Also the Timo Sirainen <tss@iki.fi> parents: 876 diff changeset	37 struct io *io;
fd8888f6f037 Naming style changes, finally got tired of most of the typedefs. Also the Timo Sirainen <tss@iki.fi> parents: 876 diff changeset	38 struct ostream *output;
4538 9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	39 enum master_login_state state;
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	40
925 2e649dec0f09 Auth and login processes send an "we're ok" reply at the end of Timo Sirainen <tss@iki.fi> parents: 903 diff changeset	41 unsigned int initialized:1;
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	42 unsigned int destroyed:1;
4538 9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	43 unsigned int inetd_child:1;
613 1906116a62ce Finally support for handling each login connection in it's own process. Timo Sirainen <tss@iki.fi> parents: 596 diff changeset	44 };
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	45
903 fd8888f6f037 Naming style changes, finally got tired of most of the typedefs. Also the Timo Sirainen <tss@iki.fi> parents: 876 diff changeset	46 struct login_auth_request {
fd8888f6f037 Naming style changes, finally got tired of most of the typedefs. Also the Timo Sirainen <tss@iki.fi> parents: 876 diff changeset	47 struct login_process *process;
1035 fe49ece0f3ea We have now separate "userdb" and "passdb". They aren't tied to each others Timo Sirainen <tss@iki.fi> parents: 1000 diff changeset	48 unsigned int tag;
7928 9e226056a208 Send login command OK reply in IMAP/POP3 process. Timo Sirainen <tss@iki.fi> parents: 7927 diff changeset	49 unsigned int login_tag;
1035 fe49ece0f3ea We have now separate "userdb" and "passdb". They aren't tied to each others Timo Sirainen <tss@iki.fi> parents: 1000 diff changeset	50
7928 9e226056a208 Send login command OK reply in IMAP/POP3 process. Timo Sirainen <tss@iki.fi> parents: 7927 diff changeset	51 struct mail_login_request mail_request;
8953 933d95978040 Compile fix for old non-C99 compilers. Timo Sirainen <tss@iki.fi> parents: 8881 diff changeset	52 unsigned char data[FLEXIBLE_ARRAY_MEMBER];
903 fd8888f6f037 Naming style changes, finally got tired of most of the typedefs. Also the Timo Sirainen <tss@iki.fi> parents: 876 diff changeset	53 };
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	54
1273 2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	55 static unsigned int auth_id_counter, login_pid_counter;
903 fd8888f6f037 Naming style changes, finally got tired of most of the typedefs. Also the Timo Sirainen <tss@iki.fi> parents: 876 diff changeset	56 static struct timeout *to;
1273 2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	57 static struct io *io_listen;
4148 f60d73c96618 If master process runs out of file descriptors, try to handle it more nicely Timo Sirainen <tss@iki.fi> parents: 3901 diff changeset	58 static bool logins_stalled = FALSE;
613 1906116a62ce Finally support for handling each login connection in it's own process. Timo Sirainen <tss@iki.fi> parents: 596 diff changeset	59
1055 a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3 Timo Sirainen <tss@iki.fi> parents: 1039 diff changeset	60 static struct login_group *login_groups;
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	61
4651 2fe8f6a0bc5b If login process dies before initialization, stall creation of them instead Timo Sirainen <tss@iki.fi> parents: 4649 diff changeset	62 static void login_processes_stall(void);
903 fd8888f6f037 Naming style changes, finally got tired of most of the typedefs. Also the Timo Sirainen <tss@iki.fi> parents: 876 diff changeset	63 static void login_process_destroy(struct login_process *p);
fd8888f6f037 Naming style changes, finally got tired of most of the typedefs. Also the Timo Sirainen <tss@iki.fi> parents: 876 diff changeset	64 static void login_process_unref(struct login_process *p);
3863 55df57c028d4 Added "bool" type and changed all ints that were used as booleans to bool. Timo Sirainen <tss@iki.fi> parents: 3692 diff changeset	65 static bool login_process_init_group(struct login_process *p);
4148 f60d73c96618 If master process runs out of file descriptors, try to handle it more nicely Timo Sirainen <tss@iki.fi> parents: 3901 diff changeset	66 static void login_processes_start_missing(void *context);
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	67
1610 6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	68 static void login_group_create(struct settings *set)
1055 a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3 Timo Sirainen <tss@iki.fi> parents: 1039 diff changeset	69 {
a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3 Timo Sirainen <tss@iki.fi> parents: 1039 diff changeset	70 struct login_group *group;
a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3 Timo Sirainen <tss@iki.fi> parents: 1039 diff changeset	71
a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3 Timo Sirainen <tss@iki.fi> parents: 1039 diff changeset	72 group = i_new(struct login_group, 1);
4631 f5d53a684856 SIGHUP caused memory corruption Timo Sirainen <tss@iki.fi> parents: 4630 diff changeset	73 group->refcount = 1;
1610 6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	74 group->set = set;
5843 f655c4d4a419 Moved child process handling to child-process.[ch]. The hash table now uses Timo Sirainen <tss@iki.fi> parents: 5632 diff changeset	75 group->mail_process_type = set->protocol == MAIL_PROTOCOL_IMAP ?
1610 6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	76 PROCESS_TYPE_IMAP : PROCESS_TYPE_POP3;
1055 a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3 Timo Sirainen <tss@iki.fi> parents: 1039 diff changeset	77
a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3 Timo Sirainen <tss@iki.fi> parents: 1039 diff changeset	78 group->next = login_groups;
a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3 Timo Sirainen <tss@iki.fi> parents: 1039 diff changeset	79 login_groups = group;
a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3 Timo Sirainen <tss@iki.fi> parents: 1039 diff changeset	80 }
a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3 Timo Sirainen <tss@iki.fi> parents: 1039 diff changeset	81
4631 f5d53a684856 SIGHUP caused memory corruption Timo Sirainen <tss@iki.fi> parents: 4630 diff changeset	82 static void login_group_unref(struct login_group *group)
1055 a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3 Timo Sirainen <tss@iki.fi> parents: 1039 diff changeset	83 {
4631 f5d53a684856 SIGHUP caused memory corruption Timo Sirainen <tss@iki.fi> parents: 4630 diff changeset	84 i_assert(group->refcount > 0);
f5d53a684856 SIGHUP caused memory corruption Timo Sirainen <tss@iki.fi> parents: 4630 diff changeset	85
f5d53a684856 SIGHUP caused memory corruption Timo Sirainen <tss@iki.fi> parents: 4630 diff changeset	86 if (--group->refcount > 0)
f5d53a684856 SIGHUP caused memory corruption Timo Sirainen <tss@iki.fi> parents: 4630 diff changeset	87 return;
f5d53a684856 SIGHUP caused memory corruption Timo Sirainen <tss@iki.fi> parents: 4630 diff changeset	88
1055 a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3 Timo Sirainen <tss@iki.fi> parents: 1039 diff changeset	89 i_free(group);
a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3 Timo Sirainen <tss@iki.fi> parents: 1039 diff changeset	90 }
a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3 Timo Sirainen <tss@iki.fi> parents: 1039 diff changeset	91
2736 0f31778d3c34 Changed dovecot-auth protocol to ASCII based. Should be easier now to write Timo Sirainen <tss@iki.fi> parents: 2691 diff changeset	92 void auth_master_callback(const char user, const char const *args,
4907 5b4c9b20eba0 Replaced void context from a lot of callbacks with the actual context Timo Sirainen <tss@iki.fi>* parents: 4740 diff changeset	93 struct login_auth_request *request)
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	94 {
1035 fe49ece0f3ea We have now separate "userdb" and "passdb". They aren't tied to each others Timo Sirainen <tss@iki.fi> parents: 1000 diff changeset	95 struct master_login_reply master_reply;
2329 f34aca0d7c85 Changed default cache fields. Timo Sirainen <tss@iki.fi> parents: 2141 diff changeset	96 ssize_t ret;
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	97
4740 0a1fa29ac87f inetd logins kept crashing dovecot master. Timo Sirainen <tss@iki.fi> parents: 4734 diff changeset	98 memset(&master_reply, 0, sizeof(master_reply));
2736 0f31778d3c34 Changed dovecot-auth protocol to ASCII based. Should be easier now to write Timo Sirainen <tss@iki.fi> parents: 2691 diff changeset	99 if (user == NULL)
5846 21e529b8a701 Initial implementation for mail_max_user_connections setting. Timo Sirainen <tss@iki.fi> parents: 5843 diff changeset	100 master_reply.status = MASTER_LOGIN_STATUS_INTERNAL_ERROR;
7226 e6693a0ec8e1 Renamed T_FRAME_BEGIN/END to T_BEGIN/END. Removed T_FRAME() macro and Timo Sirainen <tss@iki.fi> parents: 7109 diff changeset	101 else T_BEGIN {
1055 a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3 Timo Sirainen <tss@iki.fi> parents: 1039 diff changeset	102 struct login_group *group = request->process->group;
a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3 Timo Sirainen <tss@iki.fi> parents: 1039 diff changeset	103
5846 21e529b8a701 Initial implementation for mail_max_user_connections setting. Timo Sirainen <tss@iki.fi> parents: 5843 diff changeset	104 master_reply.status =
5843 f655c4d4a419 Moved child process handling to child-process.[ch]. The hash table now uses Timo Sirainen <tss@iki.fi> parents: 5632 diff changeset	105 create_mail_process(group->mail_process_type,
7928 9e226056a208 Send login command OK reply in IMAP/POP3 process. Timo Sirainen <tss@iki.fi> parents: 7927 diff changeset	106 group->set, &request->mail_request,
8092 29b623366e1e Pass the created mail process PID back to login process so it can log it. Timo Sirainen <tss@iki.fi> parents: 8088 diff changeset	107 user, args, request->data, FALSE,
29b623366e1e Pass the created mail process PID back to login process so it can log it. Timo Sirainen <tss@iki.fi> parents: 8088 diff changeset	108 &master_reply.mail_pid);
7226 e6693a0ec8e1 Renamed T_FRAME_BEGIN/END to T_BEGIN/END. Removed T_FRAME() macro and Timo Sirainen <tss@iki.fi> parents: 7109 diff changeset	109 } T_END;
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	110
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	111 /* reply to login */
1035 fe49ece0f3ea We have now separate "userdb" and "passdb". They aren't tied to each others Timo Sirainen <tss@iki.fi> parents: 1000 diff changeset	112 master_reply.tag = request->login_tag;
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	113
2329 f34aca0d7c85 Changed default cache fields. Timo Sirainen <tss@iki.fi> parents: 2141 diff changeset	114 ret = o_stream_send(request->process->output, &master_reply,
f34aca0d7c85 Changed default cache fields. Timo Sirainen <tss@iki.fi> parents: 2141 diff changeset	115 sizeof(master_reply));
f34aca0d7c85 Changed default cache fields. Timo Sirainen <tss@iki.fi> parents: 2141 diff changeset	116 if (ret != sizeof(master_reply)) {
f34aca0d7c85 Changed default cache fields. Timo Sirainen <tss@iki.fi> parents: 2141 diff changeset	117 if (ret >= 0) {
f34aca0d7c85 Changed default cache fields. Timo Sirainen <tss@iki.fi> parents: 2141 diff changeset	118 i_warning("Login process %s transmit buffer full, "
f34aca0d7c85 Changed default cache fields. Timo Sirainen <tss@iki.fi> parents: 2141 diff changeset	119 "killing..", dec2str(request->process->pid));
f34aca0d7c85 Changed default cache fields. Timo Sirainen <tss@iki.fi> parents: 2141 diff changeset	120 }
1035 fe49ece0f3ea We have now separate "userdb" and "passdb". They aren't tied to each others Timo Sirainen <tss@iki.fi> parents: 1000 diff changeset	121 login_process_destroy(request->process);
2329 f34aca0d7c85 Changed default cache fields. Timo Sirainen <tss@iki.fi> parents: 2141 diff changeset	122 }
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	123
7928 9e226056a208 Send login command OK reply in IMAP/POP3 process. Timo Sirainen <tss@iki.fi> parents: 7927 diff changeset	124 if (close(request->mail_request.fd) < 0)
1055 a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3 Timo Sirainen <tss@iki.fi> parents: 1039 diff changeset	125 i_error("close(mail client) failed: %m");
1035 fe49ece0f3ea We have now separate "userdb" and "passdb". They aren't tied to each others Timo Sirainen <tss@iki.fi> parents: 1000 diff changeset	126 login_process_unref(request->process);
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	127 i_free(request);
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	128 }
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	129
4538 9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	130 static void process_remove_from_prelogin_lists(struct login_process *p)
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	131 {
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	132 if (p->state != LOGIN_STATE_FULL_PRELOGINS)
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	133 return;
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	134
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	135 if (p->prev_prelogin == NULL)
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	136 p->group->oldest_prelogin_process = p->next_prelogin;
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	137 else
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	138 p->prev_prelogin->next_prelogin = p->next_prelogin;
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	139
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	140 if (p->next_prelogin == NULL)
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	141 p->group->newest_prelogin_process = p->prev_prelogin;
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	142 else
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	143 p->next_prelogin->prev_prelogin = p->prev_prelogin;
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	144
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	145 p->prev_prelogin = p->next_prelogin = NULL;
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	146 }
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	147
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	148 static void process_mark_nonlistening(struct login_process *p,
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	149 enum master_login_state new_state)
614 e60620644af3 login_process_per_connection = yes scales now better when multiple users are Timo Sirainen <tss@iki.fi> parents: 613 diff changeset	150 {
4538 9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	151 if (p->group == NULL)
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	152 return;
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	153
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	154 if (p->state == LOGIN_STATE_LISTENING)
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	155 p->group->listening_processes--;
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	156
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	157 if (new_state == LOGIN_STATE_FULL_PRELOGINS) {
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	158 /* add to prelogin list */
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	159 i_assert(p->state != new_state);
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	160
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	161 p->prev_prelogin = p->group->newest_prelogin_process;
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	162 if (p->group->newest_prelogin_process == NULL)
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	163 p->group->oldest_prelogin_process = p;
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	164 else
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	165 p->group->newest_prelogin_process->next_prelogin = p;
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	166 p->group->newest_prelogin_process = p;
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	167 } else {
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	168 process_remove_from_prelogin_lists(p);
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	169 }
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	170 }
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	171
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	172 static void process_mark_listening(struct login_process *p)
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	173 {
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	174 if (p->group == NULL)
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	175 return;
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	176
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	177 if (p->state != LOGIN_STATE_LISTENING)
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	178 p->group->listening_processes++;
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	179
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	180 process_remove_from_prelogin_lists(p);
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	181 }
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	182
4651 2fe8f6a0bc5b If login process dies before initialization, stall creation of them instead Timo Sirainen <tss@iki.fi> parents: 4649 diff changeset	183 static void login_process_set_initialized(struct login_process *p)
2fe8f6a0bc5b If login process dies before initialization, stall creation of them instead Timo Sirainen <tss@iki.fi> parents: 4649 diff changeset	184 {
2fe8f6a0bc5b If login process dies before initialization, stall creation of them instead Timo Sirainen <tss@iki.fi> parents: 4649 diff changeset	185 p->initialized = TRUE;
2fe8f6a0bc5b If login process dies before initialization, stall creation of them instead Timo Sirainen <tss@iki.fi> parents: 4649 diff changeset	186
2fe8f6a0bc5b If login process dies before initialization, stall creation of them instead Timo Sirainen <tss@iki.fi> parents: 4649 diff changeset	187 if (logins_stalled) {
2fe8f6a0bc5b If login process dies before initialization, stall creation of them instead Timo Sirainen <tss@iki.fi> parents: 4649 diff changeset	188 /* processes were created successfully */
2fe8f6a0bc5b If login process dies before initialization, stall creation of them instead Timo Sirainen <tss@iki.fi> parents: 4649 diff changeset	189 i_info("Created login processes successfully, unstalling");
2fe8f6a0bc5b If login process dies before initialization, stall creation of them instead Timo Sirainen <tss@iki.fi> parents: 4649 diff changeset	190
2fe8f6a0bc5b If login process dies before initialization, stall creation of them instead Timo Sirainen <tss@iki.fi> parents: 4649 diff changeset	191 logins_stalled = FALSE;
2fe8f6a0bc5b If login process dies before initialization, stall creation of them instead Timo Sirainen <tss@iki.fi> parents: 4649 diff changeset	192 timeout_remove(&to);
2fe8f6a0bc5b If login process dies before initialization, stall creation of them instead Timo Sirainen <tss@iki.fi> parents: 4649 diff changeset	193 to = timeout_add(1000, login_processes_start_missing, NULL);
2fe8f6a0bc5b If login process dies before initialization, stall creation of them instead Timo Sirainen <tss@iki.fi> parents: 4649 diff changeset	194 }
2fe8f6a0bc5b If login process dies before initialization, stall creation of them instead Timo Sirainen <tss@iki.fi> parents: 4649 diff changeset	195 }
2fe8f6a0bc5b If login process dies before initialization, stall creation of them instead Timo Sirainen <tss@iki.fi> parents: 4649 diff changeset	196
4538 9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	197 static void
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	198 login_process_set_state(struct login_process *p, enum master_login_state state)
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	199 {
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	200 if (state == p->state \|\| state > LOGIN_STATE_COUNT \|\|
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	201 (state < p->state && p->group->set->login_process_per_connection)) {
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	202 i_error("login: tried to change state %d -> %d "
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	203 "(if you can't login at all, see src/lib/fdpass.c)",
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	204 p->state, state);
4640 f5772851ac91 If login process sends wrong state information, restart it. Timo Sirainen <tss@iki.fi> parents: 4632 diff changeset	205 login_process_destroy(p);
614 e60620644af3 login_process_per_connection = yes scales now better when multiple users are Timo Sirainen <tss@iki.fi> parents: 613 diff changeset	206 return;
e60620644af3 login_process_per_connection = yes scales now better when multiple users are Timo Sirainen <tss@iki.fi> parents: 613 diff changeset	207 }
e60620644af3 login_process_per_connection = yes scales now better when multiple users are Timo Sirainen <tss@iki.fi> parents: 613 diff changeset	208
4538 9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	209 if (state == LOGIN_STATE_LISTENING) {
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	210 process_mark_listening(p);
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	211 } else {
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	212 process_mark_nonlistening(p, state);
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	213 }
1275 af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	214
4538 9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	215 p->state = state;
1275 af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	216 }
614 e60620644af3 login_process_per_connection = yes scales now better when multiple users are Timo Sirainen <tss@iki.fi> parents: 613 diff changeset	217
1610 6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	218 static void login_process_groups_create(void)
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	219 {
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	220 struct server_settings *server;
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	221
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	222 for (server = settings_root; server != NULL; server = server->next) {
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	223 if (server->imap != NULL)
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	224 login_group_create(server->imap);
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	225 if (server->pop3 != NULL)
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	226 login_group_create(server->pop3);
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	227 }
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	228 }
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	229
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	230 static struct login_group *
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	231 login_group_process_find(const char *name, enum mail_protocol protocol)
1275 af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	232 {
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	233 struct login_group *group;
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	234
1610 6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	235 if (login_groups == NULL)
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	236 login_process_groups_create();
1275 af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	237
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	238 for (group = login_groups; group != NULL; group = group->next) {
1610 6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	239 if (strcmp(group->set->server->name, name) == 0 &&
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	240 group->set->protocol == protocol)
1275 af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	241 return group;
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	242 }
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	243
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	244 return NULL;
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	245 }
614 e60620644af3 login_process_per_connection = yes scales now better when multiple users are Timo Sirainen <tss@iki.fi> parents: 613 diff changeset	246
3863 55df57c028d4 Added "bool" type and changed all ints that were used as booleans to bool. Timo Sirainen <tss@iki.fi> parents: 3692 diff changeset	247 static bool login_process_read_group(struct login_process *p)
1275 af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	248 {
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	249 struct login_group *group;
1610 6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	250 const char name, proto;
5089 18559c7e3a15 Cleanups and minor fixes Timo Sirainen <tss@iki.fi> parents: 4907 diff changeset	251 unsigned char buf[256];
1610 6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	252 enum mail_protocol protocol;
1275 af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	253 unsigned int len;
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	254 ssize_t ret;
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	255
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	256 /* read length */
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	257 ret = read(p->fd, buf, 1);
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	258 if (ret != 1)
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	259 len = 0;
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	260 else {
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	261 len = buf[0];
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	262 if (len >= sizeof(buf)) {
1610 6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	263 i_error("login: Server name length too large");
1275 af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	264 return FALSE;
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	265 }
614 e60620644af3 login_process_per_connection = yes scales now better when multiple users are Timo Sirainen <tss@iki.fi> parents: 613 diff changeset	266
1275 af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	267 ret = read(p->fd, buf, len);
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	268 }
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	269
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	270 if (ret < 0)
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	271 i_error("login: read() failed: %m");
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	272 else if (len == 0 \|\| (size_t)ret != len)
1610 6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	273 i_error("login: Server name wasn't sent");
1275 af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	274 else {
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	275 name = t_strndup(buf, len);
3607 a2dd3d895e00 Several fixes to make running from inetd working again Timo Sirainen <tss@iki.fi> parents: 3384 diff changeset	276 proto = strchr(name, '/');
1610 6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	277 if (proto == NULL) {
3607 a2dd3d895e00 Several fixes to make running from inetd working again Timo Sirainen <tss@iki.fi> parents: 3384 diff changeset	278 proto = name;
a2dd3d895e00 Several fixes to make running from inetd working again Timo Sirainen <tss@iki.fi> parents: 3384 diff changeset	279 name = "default";
a2dd3d895e00 Several fixes to make running from inetd working again Timo Sirainen <tss@iki.fi> parents: 3384 diff changeset	280 } else {
a2dd3d895e00 Several fixes to make running from inetd working again Timo Sirainen <tss@iki.fi> parents: 3384 diff changeset	281 name = t_strdup_until(name, proto++);
1610 6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	282 }
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	283
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	284 if (strcmp(proto, "imap") == 0)
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	285 protocol = MAIL_PROTOCOL_IMAP;
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	286 else if (strcmp(proto, "pop3") == 0)
4353 3e542f308cb5 Starting pop3 processes from inetd started actually imap processes after Timo Sirainen <tss@iki.fi> parents: 4197 diff changeset	287 protocol = MAIL_PROTOCOL_POP3;
1610 6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	288 else {
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	289 i_error("login: Unknown protocol '%s'", proto);
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	290 return FALSE;
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	291 }
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	292
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	293 group = login_group_process_find(name, protocol);
1275 af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	294 if (group == NULL) {
1610 6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	295 i_error("login: Unknown server name '%s'", name);
1275 af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	296 return FALSE;
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	297 }
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	298
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	299 p->group = group;
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	300 return login_process_init_group(p);
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	301 }
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	302 return FALSE;
614 e60620644af3 login_process_per_connection = yes scales now better when multiple users are Timo Sirainen <tss@iki.fi> parents: 613 diff changeset	303 }
e60620644af3 login_process_per_connection = yes scales now better when multiple users are Timo Sirainen <tss@iki.fi> parents: 613 diff changeset	304
4649 a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	305 static int
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	306 login_read_request(struct login_process p, struct master_login_request req,
7927 2351a81ce699 If commands are pipelined after the login command, pass them to the Timo Sirainen <tss@iki.fi> parents: 7922 diff changeset	307 unsigned char data[MASTER_LOGIN_MAX_DATA_SIZE],
4649 a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	308 int *client_fd_r)
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	309 {
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	310 struct stat st;
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	311 ssize_t ret;
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	312
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	313 *client_fd_r = -1;
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	314
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	315 ret = fd_read(p->fd, req, sizeof(*req), client_fd_r);
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	316 if (ret >= (ssize_t)sizeof(req->version) &&
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	317 req->version != MASTER_LOGIN_PROTOCOL_VERSION) {
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	318 i_error("login: Protocol version mismatch "
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	319 "(mixed old and new binaries?)");
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	320 return -1;
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	321 }
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	322
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	323 if (ret != sizeof(*req)) {
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	324 if (ret == 0) {
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	325 /* disconnected, ie. the login process died */
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	326 } else if (ret > 0) {
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	327 /* request wasn't fully read */
4734 f032a5d2bc0d Error message fix for 64bit systems. Timo Sirainen <tss@iki.fi> parents: 4670 diff changeset	328 i_error("login: fd_read() returned partial %d",
f032a5d2bc0d Error message fix for 64bit systems. Timo Sirainen <tss@iki.fi> parents: 4670 diff changeset	329 (int)ret);
4649 a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	330 } else {
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	331 if (errno == EAGAIN)
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	332 return 0;
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	333
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	334 i_error("login: fd_read() failed: %m");
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	335 }
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	336 return -1;
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	337 }
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	338
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	339 if (req->ino == (ino_t)-1) {
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	340 if (*client_fd_r != -1) {
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	341 i_error("login: Notification request sent "
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	342 "a file descriptor");
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	343 return -1;
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	344 }
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	345 return 1;
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	346 }
7927 2351a81ce699 If commands are pipelined after the login command, pass them to the Timo Sirainen <tss@iki.fi> parents: 7922 diff changeset	347 if (req->data_size != 0) {
2351a81ce699 If commands are pipelined after the login command, pass them to the Timo Sirainen <tss@iki.fi> parents: 7922 diff changeset	348 if (req->data_size > MASTER_LOGIN_MAX_DATA_SIZE) {
2351a81ce699 If commands are pipelined after the login command, pass them to the Timo Sirainen <tss@iki.fi> parents: 7922 diff changeset	349 i_error("login: Too large data_size sent");
2351a81ce699 If commands are pipelined after the login command, pass them to the Timo Sirainen <tss@iki.fi> parents: 7922 diff changeset	350 return -1;
2351a81ce699 If commands are pipelined after the login command, pass them to the Timo Sirainen <tss@iki.fi> parents: 7922 diff changeset	351 }
2351a81ce699 If commands are pipelined after the login command, pass them to the Timo Sirainen <tss@iki.fi> parents: 7922 diff changeset	352 /* @UNSAFE */
2351a81ce699 If commands are pipelined after the login command, pass them to the Timo Sirainen <tss@iki.fi> parents: 7922 diff changeset	353 ret = read(p->fd, data, req->data_size);
2351a81ce699 If commands are pipelined after the login command, pass them to the Timo Sirainen <tss@iki.fi> parents: 7922 diff changeset	354 if (ret != req->data_size) {
2351a81ce699 If commands are pipelined after the login command, pass them to the Timo Sirainen <tss@iki.fi> parents: 7922 diff changeset	355 if (ret == 0) {
2351a81ce699 If commands are pipelined after the login command, pass them to the Timo Sirainen <tss@iki.fi> parents: 7922 diff changeset	356 /* disconnected */
2351a81ce699 If commands are pipelined after the login command, pass them to the Timo Sirainen <tss@iki.fi> parents: 7922 diff changeset	357 } else if (ret > 0) {
2351a81ce699 If commands are pipelined after the login command, pass them to the Timo Sirainen <tss@iki.fi> parents: 7922 diff changeset	358 /* request wasn't fully read */
2351a81ce699 If commands are pipelined after the login command, pass them to the Timo Sirainen <tss@iki.fi> parents: 7922 diff changeset	359 i_error("login: Data read partially %d/%u",
2351a81ce699 If commands are pipelined after the login command, pass them to the Timo Sirainen <tss@iki.fi> parents: 7922 diff changeset	360 (int)ret, req->data_size);
2351a81ce699 If commands are pipelined after the login command, pass them to the Timo Sirainen <tss@iki.fi> parents: 7922 diff changeset	361 } else {
2351a81ce699 If commands are pipelined after the login command, pass them to the Timo Sirainen <tss@iki.fi> parents: 7922 diff changeset	362 i_error("login: read(data) failed: %m");
2351a81ce699 If commands are pipelined after the login command, pass them to the Timo Sirainen <tss@iki.fi> parents: 7922 diff changeset	363 }
2351a81ce699 If commands are pipelined after the login command, pass them to the Timo Sirainen <tss@iki.fi> parents: 7922 diff changeset	364 return -1;
2351a81ce699 If commands are pipelined after the login command, pass them to the Timo Sirainen <tss@iki.fi> parents: 7922 diff changeset	365 }
2351a81ce699 If commands are pipelined after the login command, pass them to the Timo Sirainen <tss@iki.fi> parents: 7922 diff changeset	366 }
4649 a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	367
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	368 if (*client_fd_r == -1) {
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	369 i_error("login: Login request missing a file descriptor");
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	370 return -1;
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	371 }
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	372
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	373 if (fstat(*client_fd_r, &st) < 0) {
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	374 i_error("login: fstat(mail client) failed: %m");
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	375 return -1;
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	376 }
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	377 if (st.st_ino != req->ino) {
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	378 i_error("login: Login request inode mismatch: %s != %s",
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	379 dec2str(st.st_ino), dec2str(req->ino));
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	380 return -1;
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	381 }
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	382 return 1;
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	383 }
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	384
4907 5b4c9b20eba0 Replaced void context from a lot of callbacks with the actual context Timo Sirainen <tss@iki.fi>* parents: 4740 diff changeset	385 static void login_process_input(struct login_process *p)
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	386 {
903 fd8888f6f037 Naming style changes, finally got tired of most of the typedefs. Also the Timo Sirainen <tss@iki.fi> parents: 876 diff changeset	387 struct auth_process *auth_process;
fd8888f6f037 Naming style changes, finally got tired of most of the typedefs. Also the Timo Sirainen <tss@iki.fi> parents: 876 diff changeset	388 struct login_auth_request *authreq;
1035 fe49ece0f3ea We have now separate "userdb" and "passdb". They aren't tied to each others Timo Sirainen <tss@iki.fi> parents: 1000 diff changeset	389 struct master_login_request req;
7927 2351a81ce699 If commands are pipelined after the login command, pass them to the Timo Sirainen <tss@iki.fi> parents: 7922 diff changeset	390 unsigned char data[MASTER_LOGIN_MAX_DATA_SIZE];
1275 af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	391 int client_fd;
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	392 ssize_t ret;
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	393
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	394 if (p->group == NULL) {
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	395 /* we want to read the group */
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	396 if (!login_process_read_group(p))
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	397 login_process_destroy(p);
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	398 return;
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	399 }
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	400
7927 2351a81ce699 If commands are pipelined after the login command, pass them to the Timo Sirainen <tss@iki.fi> parents: 7922 diff changeset	401 ret = login_read_request(p, &req, data, &client_fd);
4649 a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	402 if (ret == 0)
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	403 return;
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	404 if (ret < 0) {
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	405 if (client_fd != -1) {
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	406 if (close(client_fd) < 0)
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	407 i_error("login: close(mail client) failed: %m");
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	408 }
2779 1fd55b4341b9 Added version to login <-> master communication as well. Timo Sirainen <tss@iki.fi> parents: 2736 diff changeset	409 login_process_destroy(p);
1fd55b4341b9 Added version to login <-> master communication as well. Timo Sirainen <tss@iki.fi> parents: 2736 diff changeset	410 return;
1fd55b4341b9 Added version to login <-> master communication as well. Timo Sirainen <tss@iki.fi> parents: 2736 diff changeset	411 }
1fd55b4341b9 Added version to login <-> master communication as well. Timo Sirainen <tss@iki.fi> parents: 2736 diff changeset	412
4649 a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	413 if (req.ino == (ino_t)-1) {
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	414 /* state notification */
4538 9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	415 enum master_login_state state = req.tag;
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	416
925 2e649dec0f09 Auth and login processes send an "we're ok" reply at the end of Timo Sirainen <tss@iki.fi> parents: 903 diff changeset	417 if (!p->initialized) {
2e649dec0f09 Auth and login processes send an "we're ok" reply at the end of Timo Sirainen <tss@iki.fi> parents: 903 diff changeset	418 /* initialization notify */
4651 2fe8f6a0bc5b If login process dies before initialization, stall creation of them instead Timo Sirainen <tss@iki.fi> parents: 4649 diff changeset	419 login_process_set_initialized(p);
925 2e649dec0f09 Auth and login processes send an "we're ok" reply at the end of Timo Sirainen <tss@iki.fi> parents: 903 diff changeset	420 } else {
4538 9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	421 /* change "listening for new connections" status */
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	422 login_process_set_state(p, state);
925 2e649dec0f09 Auth and login processes send an "we're ok" reply at the end of Timo Sirainen <tss@iki.fi> parents: 903 diff changeset	423 }
613 1906116a62ce Finally support for handling each login connection in it's own process. Timo Sirainen <tss@iki.fi> parents: 596 diff changeset	424 return;
1906116a62ce Finally support for handling each login connection in it's own process. Timo Sirainen <tss@iki.fi> parents: 596 diff changeset	425 }
1906116a62ce Finally support for handling each login connection in it's own process. Timo Sirainen <tss@iki.fi> parents: 596 diff changeset	426
4661 885bef091d1a Make sure we don't kill login processes that haven't yet even sent their Timo Sirainen <tss@iki.fi> parents: 4651 diff changeset	427 if (!p->initialized) {
885bef091d1a Make sure we don't kill login processes that haven't yet even sent their Timo Sirainen <tss@iki.fi> parents: 4651 diff changeset	428 i_error("login: trying to log in before initialization");
885bef091d1a Make sure we don't kill login processes that haven't yet even sent their Timo Sirainen <tss@iki.fi> parents: 4651 diff changeset	429 login_process_destroy(p);
885bef091d1a Make sure we don't kill login processes that haven't yet even sent their Timo Sirainen <tss@iki.fi> parents: 4651 diff changeset	430 return;
885bef091d1a Make sure we don't kill login processes that haven't yet even sent their Timo Sirainen <tss@iki.fi> parents: 4651 diff changeset	431 }
885bef091d1a Make sure we don't kill login processes that haven't yet even sent their Timo Sirainen <tss@iki.fi> parents: 4651 diff changeset	432
1035 fe49ece0f3ea We have now separate "userdb" and "passdb". They aren't tied to each others Timo Sirainen <tss@iki.fi> parents: 1000 diff changeset	433 fd_close_on_exec(client_fd, TRUE);
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	434
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	435 /* ask the cookie from the auth process */
7927 2351a81ce699 If commands are pipelined after the login command, pass them to the Timo Sirainen <tss@iki.fi> parents: 7922 diff changeset	436 authreq = i_malloc(sizeof(*authreq) + req.data_size);
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	437 p->refcount++;
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	438 authreq->process = p;
1035 fe49ece0f3ea We have now separate "userdb" and "passdb". They aren't tied to each others Timo Sirainen <tss@iki.fi> parents: 1000 diff changeset	439 authreq->tag = ++auth_id_counter;
fe49ece0f3ea We have now separate "userdb" and "passdb". They aren't tied to each others Timo Sirainen <tss@iki.fi> parents: 1000 diff changeset	440 authreq->login_tag = req.tag;
7928 9e226056a208 Send login command OK reply in IMAP/POP3 process. Timo Sirainen <tss@iki.fi> parents: 7927 diff changeset	441 authreq->mail_request.fd = client_fd;
9e226056a208 Send login command OK reply in IMAP/POP3 process. Timo Sirainen <tss@iki.fi> parents: 7927 diff changeset	442 authreq->mail_request.local_ip = req.local_ip;
9e226056a208 Send login command OK reply in IMAP/POP3 process. Timo Sirainen <tss@iki.fi> parents: 7927 diff changeset	443 authreq->mail_request.remote_ip = req.remote_ip;
9e226056a208 Send login command OK reply in IMAP/POP3 process. Timo Sirainen <tss@iki.fi> parents: 7927 diff changeset	444 authreq->mail_request.cmd_tag_size = req.cmd_tag_size;
9e226056a208 Send login command OK reply in IMAP/POP3 process. Timo Sirainen <tss@iki.fi> parents: 7927 diff changeset	445 authreq->mail_request.data_size = req.data_size;
7927 2351a81ce699 If commands are pipelined after the login command, pass them to the Timo Sirainen <tss@iki.fi> parents: 7922 diff changeset	446 memcpy(authreq->data, data, req.data_size);
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	447
1035 fe49ece0f3ea We have now separate "userdb" and "passdb". They aren't tied to each others Timo Sirainen <tss@iki.fi> parents: 1000 diff changeset	448 auth_process = auth_process_find(req.auth_pid);
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	449 if (auth_process == NULL) {
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	450 i_error("login: Authentication process %u doesn't exist",
1035 fe49ece0f3ea We have now separate "userdb" and "passdb". They aren't tied to each others Timo Sirainen <tss@iki.fi> parents: 1000 diff changeset	451 req.auth_pid);
fe49ece0f3ea We have now separate "userdb" and "passdb". They aren't tied to each others Timo Sirainen <tss@iki.fi> parents: 1000 diff changeset	452 auth_master_callback(NULL, NULL, authreq);
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	453 } else {
1035 fe49ece0f3ea We have now separate "userdb" and "passdb". They aren't tied to each others Timo Sirainen <tss@iki.fi> parents: 1000 diff changeset	454 auth_process_request(auth_process, p->pid,
fe49ece0f3ea We have now separate "userdb" and "passdb". They aren't tied to each others Timo Sirainen <tss@iki.fi> parents: 1000 diff changeset	455 req.auth_id, authreq);
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	456 }
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	457 }
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	458
1055 a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3 Timo Sirainen <tss@iki.fi> parents: 1039 diff changeset	459 static struct login_process *
6519 66e5f514355e Login processes started by inetd aren't ours, don't treat them as such. Timo Sirainen <tss@iki.fi> parents: 6429 diff changeset	460 login_process_new(struct login_group *group, pid_t pid, int fd,
66e5f514355e Login processes started by inetd aren't ours, don't treat them as such. Timo Sirainen <tss@iki.fi> parents: 6429 diff changeset	461 bool inetd_child)
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	462 {
903 fd8888f6f037 Naming style changes, finally got tired of most of the typedefs. Also the Timo Sirainen <tss@iki.fi> parents: 876 diff changeset	463 struct login_process *p;
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	464
1273 2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	465 i_assert(pid != 0);
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	466
903 fd8888f6f037 Naming style changes, finally got tired of most of the typedefs. Also the Timo Sirainen <tss@iki.fi> parents: 876 diff changeset	467 p = i_new(struct login_process, 1);
5843 f655c4d4a419 Moved child process handling to child-process.[ch]. The hash table now uses Timo Sirainen <tss@iki.fi> parents: 5632 diff changeset	468 p->process.type = PROCESS_TYPE_LOGIN;
1055 a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3 Timo Sirainen <tss@iki.fi> parents: 1039 diff changeset	469 p->group = group;
4670 5372b92be174 Reference counter fixes Timo Sirainen <tss@iki.fi> parents: 4668 diff changeset	470 p->refcount = 2; /* once for fd close, another for process exit */
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	471 p->pid = pid;
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	472 p->fd = fd;
6519 66e5f514355e Login processes started by inetd aren't ours, don't treat them as such. Timo Sirainen <tss@iki.fi> parents: 6429 diff changeset	473 p->inetd_child = inetd_child;
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	474 p->io = io_add(fd, IO_READ, login_process_input, p);
6161 c62f7ee79446 Split o_stream_create_file() to _create_fd() and _create_fd_file(). Timo Sirainen <tss@iki.fi> parents: 6142 diff changeset	475 p->output = o_stream_create_fd(fd, sizeof(struct master_login_reply)*10,
c62f7ee79446 Split o_stream_create_file() to _create_fd() and _create_fd_file(). Timo Sirainen <tss@iki.fi> parents: 6142 diff changeset	476 FALSE);
8628 e85c7cb22ad7 If login process crashes, log the IP address that (maybe) caused it. Timo Sirainen <tss@iki.fi> parents: 8620 diff changeset	477 if (!inetd_child) {
e85c7cb22ad7 If login process crashes, log the IP address that (maybe) caused it. Timo Sirainen <tss@iki.fi> parents: 8620 diff changeset	478 if (!group->set->login_process_per_connection)
e85c7cb22ad7 If login process crashes, log the IP address that (maybe) caused it. Timo Sirainen <tss@iki.fi> parents: 8620 diff changeset	479 p->process.allow_change_ip = TRUE;
6519 66e5f514355e Login processes started by inetd aren't ours, don't treat them as such. Timo Sirainen <tss@iki.fi> parents: 6429 diff changeset	480 child_process_add(pid, &p->process);
8628 e85c7cb22ad7 If login process crashes, log the IP address that (maybe) caused it. Timo Sirainen <tss@iki.fi> parents: 8620 diff changeset	481 }
1273 2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	482
4538 9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	483 p->state = LOGIN_STATE_LISTENING;
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	484
1275 af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	485 if (p->group != NULL) {
4631 f5d53a684856 SIGHUP caused memory corruption Timo Sirainen <tss@iki.fi> parents: 4630 diff changeset	486 p->group->refcount++;
1275 af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	487 p->group->processes++;
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	488 p->group->listening_processes++;
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	489 }
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	490 return p;
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	491 }
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	492
4538 9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	493 static void login_process_exited(struct login_process *p)
613 1906116a62ce Finally support for handling each login connection in it's own process. Timo Sirainen <tss@iki.fi> parents: 596 diff changeset	494 {
4538 9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	495 if (p->group != NULL)
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	496 p->group->processes--;
1275 af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	497
4538 9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	498 login_process_unref(p);
613 1906116a62ce Finally support for handling each login connection in it's own process. Timo Sirainen <tss@iki.fi> parents: 596 diff changeset	499 }
1906116a62ce Finally support for handling each login connection in it's own process. Timo Sirainen <tss@iki.fi> parents: 596 diff changeset	500
903 fd8888f6f037 Naming style changes, finally got tired of most of the typedefs. Also the Timo Sirainen <tss@iki.fi> parents: 876 diff changeset	501 static void login_process_destroy(struct login_process *p)
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	502 {
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	503 if (p->destroyed)
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	504 return;
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	505 p->destroyed = TRUE;
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	506
4651 2fe8f6a0bc5b If login process dies before initialization, stall creation of them instead Timo Sirainen <tss@iki.fi> parents: 4649 diff changeset	507 if (!p->initialized)
2fe8f6a0bc5b If login process dies before initialization, stall creation of them instead Timo Sirainen <tss@iki.fi> parents: 4649 diff changeset	508 login_processes_stall();
1275 af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	509
764 f57c52738f90 Renamed IBuffer and OBuffer to IStream and OStream which describes their Timo Sirainen <tss@iki.fi> parents: 747 diff changeset	510 o_stream_close(p->output);
3879 928229f8b3e6 deinit, unref, destroy, close, free, etc. functions now take a pointer to Timo Sirainen <tss@iki.fi> parents: 3863 diff changeset	511 io_remove(&p->io);
805 5ac361acb316 Marked all non-trivial buffer modifications with @UNSAFE tag. Several Timo Sirainen <tss@iki.fi> parents: 801 diff changeset	512 if (close(p->fd) < 0)
5ac361acb316 Marked all non-trivial buffer modifications with @UNSAFE tag. Several Timo Sirainen <tss@iki.fi> parents: 801 diff changeset	513 i_error("close(login) failed: %m");
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	514
4538 9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	515 process_mark_nonlistening(p, LOGIN_STATE_FULL_LOGINS);
613 1906116a62ce Finally support for handling each login connection in it's own process. Timo Sirainen <tss@iki.fi> parents: 596 diff changeset	516
4538 9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	517 if (p->inetd_child)
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	518 login_process_exited(p);
4670 5372b92be174 Reference counter fixes Timo Sirainen <tss@iki.fi> parents: 4668 diff changeset	519 login_process_unref(p);
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	520 }
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	521
903 fd8888f6f037 Naming style changes, finally got tired of most of the typedefs. Also the Timo Sirainen <tss@iki.fi> parents: 876 diff changeset	522 static void login_process_unref(struct login_process *p)
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	523 {
4670 5372b92be174 Reference counter fixes Timo Sirainen <tss@iki.fi> parents: 4668 diff changeset	524 i_assert(p->refcount > 0);
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	525 if (--p->refcount > 0)
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	526 return;
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	527
4631 f5d53a684856 SIGHUP caused memory corruption Timo Sirainen <tss@iki.fi> parents: 4630 diff changeset	528 if (p->group != NULL)
f5d53a684856 SIGHUP caused memory corruption Timo Sirainen <tss@iki.fi> parents: 4630 diff changeset	529 login_group_unref(p->group);
f5d53a684856 SIGHUP caused memory corruption Timo Sirainen <tss@iki.fi> parents: 4630 diff changeset	530
3879 928229f8b3e6 deinit, unref, destroy, close, free, etc. functions now take a pointer to Timo Sirainen <tss@iki.fi> parents: 3863 diff changeset	531 o_stream_unref(&p->output);
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	532 i_free(p);
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	533 }
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	534
7109 e6823d781317 Reverted "environment array" changes. It broke overriding imap/pop3 settings Timo Sirainen <tss@iki.fi> parents: 7091 diff changeset	535 static void login_process_init_env(struct login_group *group, pid_t pid)
1273 2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	536 {
1610 6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	537 struct settings *set = group->set;
8302 0db37acdc59f Login process: Log auth failure reasons better in disconnect message. Timo Sirainen <tss@iki.fi> parents: 8092 diff changeset	538 const struct auth_settings *auth;
0db37acdc59f Login process: Log auth failure reasons better in disconnect message. Timo Sirainen <tss@iki.fi> parents: 8092 diff changeset	539 bool require_cert;
1610 6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	540
7109 e6823d781317 Reverted "environment array" changes. It broke overriding imap/pop3 settings Timo Sirainen <tss@iki.fi> parents: 7091 diff changeset	541 child_process_init_env();
1273 2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	542
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	543 /* setup access environment - needs to be done after
3692 162ad2307710 Comment update Timo Sirainen <tss@iki.fi> parents: 3691 diff changeset	544 clean_child_process() since it clears environment. Don't set user
162ad2307710 Comment update Timo Sirainen <tss@iki.fi> parents: 3691 diff changeset	545 parameter since we don't want to call initgroups() for login
3691 e167b71e37e3 Don't call initgroups() at the start of login processes. Timo Sirainen <tss@iki.fi> parents: 3607 diff changeset	546 processes. */
7109 e6823d781317 Reverted "environment array" changes. It broke overriding imap/pop3 settings Timo Sirainen <tss@iki.fi> parents: 7091 diff changeset	547 restrict_access_set_env(NULL, set->login_uid,
7341 af998ae4254b Replaced mail_extra_groups setting with mail_privileged_group and Timo Sirainen <tss@iki.fi> parents: 7226 diff changeset	548 set->server->login_gid, (gid_t)-1,
1506 e7c627bacaaf Allow first_valid_gid to be 0. Drop any supplementary groups not in valid Timo Sirainen <tss@iki.fi> parents: 1499 diff changeset	549 set->login_chroot ? set->login_dir : NULL,
2141 8690d2000e33 Added mail_extra_groups setting. Timo Sirainen <tss@iki.fi> parents: 2097 diff changeset	550 0, 0, NULL);
1273 2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	551
7109 e6823d781317 Reverted "environment array" changes. It broke overriding imap/pop3 settings Timo Sirainen <tss@iki.fi> parents: 7091 diff changeset	552 env_put("DOVECOT_MASTER=1");
1273 2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	553
8632 5a4fcfde3e91 Renamed "ssl_disable" setting to "ssl". Added support for ssl=required. Timo Sirainen <tss@iki.fi> parents: 8628 diff changeset	554 if (strcmp(set->ssl, "no") != 0) {
4388 af61031c746f Settings parser nowadays returns "" instead of NULL when it reads an empty Timo Sirainen <tss@iki.fi> parents: 4353 diff changeset	555 const char *ssl_key_password;
3889 c7462001227b Added support for password protected SSL private keys. The password can be Timo Sirainen <tss@iki.fi> parents: 3879 diff changeset	556
4388 af61031c746f Settings parser nowadays returns "" instead of NULL when it reads an empty Timo Sirainen <tss@iki.fi> parents: 4353 diff changeset	557 ssl_key_password = *set->ssl_key_password != '\0' ?
3889 c7462001227b Added support for password protected SSL private keys. The password can be Timo Sirainen <tss@iki.fi> parents: 3879 diff changeset	558 set->ssl_key_password : ssl_manual_key_password;
c7462001227b Added support for password protected SSL private keys. The password can be Timo Sirainen <tss@iki.fi> parents: 3879 diff changeset	559
7109 e6823d781317 Reverted "environment array" changes. It broke overriding imap/pop3 settings Timo Sirainen <tss@iki.fi> parents: 7091 diff changeset	560 if (*set->ssl_ca_file != '\0') {
e6823d781317 Reverted "environment array" changes. It broke overriding imap/pop3 settings Timo Sirainen <tss@iki.fi> parents: 7091 diff changeset	561 env_put(t_strconcat("SSL_CA_FILE=",
e6823d781317 Reverted "environment array" changes. It broke overriding imap/pop3 settings Timo Sirainen <tss@iki.fi> parents: 7091 diff changeset	562 set->ssl_ca_file, NULL));
e6823d781317 Reverted "environment array" changes. It broke overriding imap/pop3 settings Timo Sirainen <tss@iki.fi> parents: 7091 diff changeset	563 }
8632 5a4fcfde3e91 Renamed "ssl_disable" setting to "ssl". Added support for ssl=required. Timo Sirainen <tss@iki.fi> parents: 8628 diff changeset	564 if (strcmp(set->ssl, "required") == 0)
5a4fcfde3e91 Renamed "ssl_disable" setting to "ssl". Added support for ssl=required. Timo Sirainen <tss@iki.fi> parents: 8628 diff changeset	565 env_put("SSL_REQUIRED=1");
7109 e6823d781317 Reverted "environment array" changes. It broke overriding imap/pop3 settings Timo Sirainen <tss@iki.fi> parents: 7091 diff changeset	566 env_put(t_strconcat("SSL_CERT_FILE=",
e6823d781317 Reverted "environment array" changes. It broke overriding imap/pop3 settings Timo Sirainen <tss@iki.fi> parents: 7091 diff changeset	567 set->ssl_cert_file, NULL));
e6823d781317 Reverted "environment array" changes. It broke overriding imap/pop3 settings Timo Sirainen <tss@iki.fi> parents: 7091 diff changeset	568 env_put(t_strconcat("SSL_KEY_FILE=",
e6823d781317 Reverted "environment array" changes. It broke overriding imap/pop3 settings Timo Sirainen <tss@iki.fi> parents: 7091 diff changeset	569 set->ssl_key_file, NULL));
e6823d781317 Reverted "environment array" changes. It broke overriding imap/pop3 settings Timo Sirainen <tss@iki.fi> parents: 7091 diff changeset	570 env_put(t_strconcat("SSL_KEY_PASSWORD=",
e6823d781317 Reverted "environment array" changes. It broke overriding imap/pop3 settings Timo Sirainen <tss@iki.fi> parents: 7091 diff changeset	571 ssl_key_password, NULL));
e6823d781317 Reverted "environment array" changes. It broke overriding imap/pop3 settings Timo Sirainen <tss@iki.fi> parents: 7091 diff changeset	572 env_put("SSL_PARAM_FILE="SSL_PARAMETERS_FILENAME);
7091 59ac3628b8d8 Build environment using envarr and pass it to execve(). This is faster than Timo Sirainen <tss@iki.fi> parents: 7086 diff changeset	573 if (*set->ssl_cipher_list != '\0') {
7109 e6823d781317 Reverted "environment array" changes. It broke overriding imap/pop3 settings Timo Sirainen <tss@iki.fi> parents: 7091 diff changeset	574 env_put(t_strconcat("SSL_CIPHER_LIST=",
e6823d781317 Reverted "environment array" changes. It broke overriding imap/pop3 settings Timo Sirainen <tss@iki.fi> parents: 7091 diff changeset	575 set->ssl_cipher_list, NULL));
1907 190f1d315ce6 Added setting ssl_ca_file, patch by Zach Bagnall Timo Sirainen <tss@iki.fi> parents: 1897 diff changeset	576 }
7109 e6823d781317 Reverted "environment array" changes. It broke overriding imap/pop3 settings Timo Sirainen <tss@iki.fi> parents: 7091 diff changeset	577 env_put(t_strconcat("SSL_CERT_USERNAME_FIELD=",
e6823d781317 Reverted "environment array" changes. It broke overriding imap/pop3 settings Timo Sirainen <tss@iki.fi> parents: 7091 diff changeset	578 set->ssl_cert_username_field, NULL));
1997 1d0985f6bdd9 Added ssl_verify_client_cert setting. Timo Sirainen <tss@iki.fi> parents: 1996 diff changeset	579 if (set->ssl_verify_client_cert)
7109 e6823d781317 Reverted "environment array" changes. It broke overriding imap/pop3 settings Timo Sirainen <tss@iki.fi> parents: 7091 diff changeset	580 env_put("SSL_VERIFY_CLIENT_CERT=1");
1273 2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	581 }
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	582
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	583 if (set->disable_plaintext_auth)
7109 e6823d781317 Reverted "environment array" changes. It broke overriding imap/pop3 settings Timo Sirainen <tss@iki.fi> parents: 7091 diff changeset	584 env_put("DISABLE_PLAINTEXT_AUTH=1");
1273 2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	585 if (set->verbose_proctitle)
7109 e6823d781317 Reverted "environment array" changes. It broke overriding imap/pop3 settings Timo Sirainen <tss@iki.fi> parents: 7091 diff changeset	586 env_put("VERBOSE_PROCTITLE=1");
1273 2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	587 if (set->verbose_ssl)
7109 e6823d781317 Reverted "environment array" changes. It broke overriding imap/pop3 settings Timo Sirainen <tss@iki.fi> parents: 7091 diff changeset	588 env_put("VERBOSE_SSL=1");
2691 46f879c46b45 auth_verbose now affects imap/pop3 login processes too. Every authentication Timo Sirainen <tss@iki.fi> parents: 2674 diff changeset	589 if (set->server->auths->verbose)
7109 e6823d781317 Reverted "environment array" changes. It broke overriding imap/pop3 settings Timo Sirainen <tss@iki.fi> parents: 7091 diff changeset	590 env_put("VERBOSE_AUTH=1");
8331 8fb20b423f8b Login processes: If auth_debug=yes, log about received unknown passdb extra fields. Timo Sirainen <tss@iki.fi> parents: 8302 diff changeset	591 if (set->server->auths->debug)
8fb20b423f8b Login processes: If auth_debug=yes, log about received unknown passdb extra fields. Timo Sirainen <tss@iki.fi> parents: 8302 diff changeset	592 env_put("AUTH_DEBUG=1");
8302 0db37acdc59f Login process: Log auth failure reasons better in disconnect message. Timo Sirainen <tss@iki.fi> parents: 8092 diff changeset	593 require_cert = TRUE;
0db37acdc59f Login process: Log auth failure reasons better in disconnect message. Timo Sirainen <tss@iki.fi> parents: 8092 diff changeset	594 for (auth = set->server->auths; auth != NULL; auth = auth->next) {
0db37acdc59f Login process: Log auth failure reasons better in disconnect message. Timo Sirainen <tss@iki.fi> parents: 8092 diff changeset	595 if (!auth->ssl_require_client_cert)
0db37acdc59f Login process: Log auth failure reasons better in disconnect message. Timo Sirainen <tss@iki.fi> parents: 8092 diff changeset	596 require_cert = FALSE;
0db37acdc59f Login process: Log auth failure reasons better in disconnect message. Timo Sirainen <tss@iki.fi> parents: 8092 diff changeset	597 }
0db37acdc59f Login process: Log auth failure reasons better in disconnect message. Timo Sirainen <tss@iki.fi> parents: 8092 diff changeset	598 if (require_cert)
0db37acdc59f Login process: Log auth failure reasons better in disconnect message. Timo Sirainen <tss@iki.fi> parents: 8092 diff changeset	599 env_put("SSL_REQUIRE_CLIENT_CERT=1");
1273 2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	600
1610 6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	601 if (set->login_process_per_connection) {
7109 e6823d781317 Reverted "environment array" changes. It broke overriding imap/pop3 settings Timo Sirainen <tss@iki.fi> parents: 7091 diff changeset	602 env_put("PROCESS_PER_CONNECTION=1");
e6823d781317 Reverted "environment array" changes. It broke overriding imap/pop3 settings Timo Sirainen <tss@iki.fi> parents: 7091 diff changeset	603 env_put("MAX_CONNECTIONS=1");
1273 2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	604 } else {
7109 e6823d781317 Reverted "environment array" changes. It broke overriding imap/pop3 settings Timo Sirainen <tss@iki.fi> parents: 7091 diff changeset	605 env_put(t_strdup_printf("MAX_CONNECTIONS=%u",
e6823d781317 Reverted "environment array" changes. It broke overriding imap/pop3 settings Timo Sirainen <tss@iki.fi> parents: 7091 diff changeset	606 set->login_max_connections));
1273 2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	607 }
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	608
7109 e6823d781317 Reverted "environment array" changes. It broke overriding imap/pop3 settings Timo Sirainen <tss@iki.fi> parents: 7091 diff changeset	609 env_put(t_strconcat("PROCESS_UID=", dec2str(pid), NULL));
e6823d781317 Reverted "environment array" changes. It broke overriding imap/pop3 settings Timo Sirainen <tss@iki.fi> parents: 7091 diff changeset	610 env_put(t_strconcat("GREETING=", set->login_greeting, NULL));
e6823d781317 Reverted "environment array" changes. It broke overriding imap/pop3 settings Timo Sirainen <tss@iki.fi> parents: 7091 diff changeset	611 env_put(t_strconcat("LOG_FORMAT_ELEMENTS=",
e6823d781317 Reverted "environment array" changes. It broke overriding imap/pop3 settings Timo Sirainen <tss@iki.fi> parents: 7091 diff changeset	612 set->login_log_format_elements, NULL));
e6823d781317 Reverted "environment array" changes. It broke overriding imap/pop3 settings Timo Sirainen <tss@iki.fi> parents: 7091 diff changeset	613 env_put(t_strconcat("LOG_FORMAT=", set->login_log_format, NULL));
7917 ca2ff54ee9b4 Added support for IMAP ID extension. Timo Sirainen <tss@iki.fi> parents: 7852 diff changeset	614 env_put(t_strconcat("IMAP_ID_SEND=", set->imap_id_send, NULL));
ca2ff54ee9b4 Added support for IMAP ID extension. Timo Sirainen <tss@iki.fi> parents: 7852 diff changeset	615 env_put(t_strconcat("IMAP_ID_LOG=", set->imap_id_log, NULL));
4197 c3ded5b815aa If we have plugins set and imap_capability unset, figure out the IMAP Timo Sirainen <tss@iki.fi> parents: 4148 diff changeset	616
5843 f655c4d4a419 Moved child process handling to child-process.[ch]. The hash table now uses Timo Sirainen <tss@iki.fi> parents: 5632 diff changeset	617 if (group->mail_process_type == PROCESS_TYPE_IMAP) {
7109 e6823d781317 Reverted "environment array" changes. It broke overriding imap/pop3 settings Timo Sirainen <tss@iki.fi> parents: 7091 diff changeset	618 env_put(t_strconcat("CAPABILITY_STRING=",
e6823d781317 Reverted "environment array" changes. It broke overriding imap/pop3 settings Timo Sirainen <tss@iki.fi> parents: 7091 diff changeset	619 *set->imap_capability != '\0' ?
e6823d781317 Reverted "environment array" changes. It broke overriding imap/pop3 settings Timo Sirainen <tss@iki.fi> parents: 7091 diff changeset	620 set->imap_capability :
e6823d781317 Reverted "environment array" changes. It broke overriding imap/pop3 settings Timo Sirainen <tss@iki.fi> parents: 7091 diff changeset	621 set->imap_generated_capability, NULL));
9448 ab32d7e2c0d6 imap-login: If imap_capability is set, show it in the banner instead of the default. Timo Sirainen <tss@iki.fi> parents: 9336 diff changeset	622 if (*set->imap_capability != '\0')
ab32d7e2c0d6 imap-login: If imap_capability is set, show it in the banner instead of the default. Timo Sirainen <tss@iki.fi> parents: 9336 diff changeset	623 env_put("CAPABILITY_STRING_OVERRIDDEN=1");
4197 c3ded5b815aa If we have plugins set and imap_capability unset, figure out the IMAP Timo Sirainen <tss@iki.fi> parents: 4148 diff changeset	624 }
7920 3644883cf44e Support transferring original IPs and ports through IMAP proxies. Timo Sirainen <tss@iki.fi> parents: 7917 diff changeset	625 if (*set->login_trusted_networks != '\0') {
3644883cf44e Support transferring original IPs and ports through IMAP proxies. Timo Sirainen <tss@iki.fi> parents: 7917 diff changeset	626 env_put(t_strconcat("TRUSTED_NETWORKS=",
3644883cf44e Support transferring original IPs and ports through IMAP proxies. Timo Sirainen <tss@iki.fi> parents: 7917 diff changeset	627 set->login_trusted_networks, NULL));
3644883cf44e Support transferring original IPs and ports through IMAP proxies. Timo Sirainen <tss@iki.fi> parents: 7917 diff changeset	628 }
8620 9edf4a6e0cdb Always send LOGIN_DIR environment to login processes. Timo Sirainen <tss@iki.fi> parents: 8590 diff changeset	629 env_put(t_strconcat("LOGIN_DIR=", set->login_dir, NULL));
1273 2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	630 }
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	631
1055 a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3 Timo Sirainen <tss@iki.fi> parents: 1039 diff changeset	632 static pid_t create_login_process(struct login_group *group)
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	633 {
2046 6ae973f60f43 logging cleanups. Timo Sirainen <tss@iki.fi> parents: 2000 diff changeset	634 struct log_io *log;
5887 3f2eb1b9c555 Support listening multiple sockets. SIGHUP also doesn't anymore recreate Timo Sirainen <tss@iki.fi> parents: 5846 diff changeset	635 const struct listener *listens;
3083 a20882c4f092 Disable log throttlong for auth process, and for login processes if Timo Sirainen <tss@iki.fi> parents: 2886 diff changeset	636 unsigned int max_log_lines_per_sec;
2000 c7c19f5071c3 Write all logging through master process. Fixes problems with log rotation, Timo Sirainen <tss@iki.fi> parents: 1997 diff changeset	637 const char *prefix;
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	638 pid_t pid;
5887 3f2eb1b9c555 Support listening multiple sockets. SIGHUP also doesn't anymore recreate Timo Sirainen <tss@iki.fi> parents: 5846 diff changeset	639 ARRAY_TYPE(dup2) dups;
7852 53604857c7d2 Change fd limit in login process after it's execed. This fixes OSes which Timo Sirainen <tss@iki.fi> parents: 7851 diff changeset	640 unsigned int i, listen_count = 0, ssl_listen_count = 0;
6396 1b21dfee7bd7 Calculate needed fd count better. Make sure we have one unused fd available Timo Sirainen <tss@iki.fi> parents: 6364 diff changeset	641 int fd[2], log_fd, cur_fd, tmp_fd;
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	642
1610 6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	643 if (group->set->login_uid == 0)
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	644 i_fatal("Login process must not run as root");
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	645
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	646 /* create communication to process with a socket pair */
2000 c7c19f5071c3 Write all logging through master process. Fixes problems with log rotation, Timo Sirainen <tss@iki.fi> parents: 1997 diff changeset	647 if (socketpair(AF_UNIX, SOCK_STREAM, 0, fd) < 0) {
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	648 i_error("socketpair() failed: %m");
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	649 return -1;
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	650 }
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	651
3083 a20882c4f092 Disable log throttlong for auth process, and for login processes if Timo Sirainen <tss@iki.fi> parents: 2886 diff changeset	652 max_log_lines_per_sec =
a20882c4f092 Disable log throttlong for auth process, and for login processes if Timo Sirainen <tss@iki.fi> parents: 2886 diff changeset	653 group->set->login_process_per_connection ? 10 : 0;
8851 1c76e82e0b36 login_process_per_connection=yes should have limited how many lines/sec process was allowed to log. Timo Sirainen <tss@iki.fi> parents: 8666 diff changeset	654 log_fd = log_create_pipe(&log, max_log_lines_per_sec);
2000 c7c19f5071c3 Write all logging through master process. Fixes problems with log rotation, Timo Sirainen <tss@iki.fi> parents: 1997 diff changeset	655 if (log_fd < 0)
c7c19f5071c3 Write all logging through master process. Fixes problems with log rotation, Timo Sirainen <tss@iki.fi> parents: 1997 diff changeset	656 pid = -1;
c7c19f5071c3 Write all logging through master process. Fixes problems with log rotation, Timo Sirainen <tss@iki.fi> parents: 1997 diff changeset	657 else {
c7c19f5071c3 Write all logging through master process. Fixes problems with log rotation, Timo Sirainen <tss@iki.fi> parents: 1997 diff changeset	658 pid = fork();
c7c19f5071c3 Write all logging through master process. Fixes problems with log rotation, Timo Sirainen <tss@iki.fi> parents: 1997 diff changeset	659 if (pid < 0)
c7c19f5071c3 Write all logging through master process. Fixes problems with log rotation, Timo Sirainen <tss@iki.fi> parents: 1997 diff changeset	660 i_error("fork() failed: %m");
c7c19f5071c3 Write all logging through master process. Fixes problems with log rotation, Timo Sirainen <tss@iki.fi> parents: 1997 diff changeset	661 }
c7c19f5071c3 Write all logging through master process. Fixes problems with log rotation, Timo Sirainen <tss@iki.fi> parents: 1997 diff changeset	662
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	663 if (pid < 0) {
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	664 (void)close(fd[0]);
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	665 (void)close(fd[1]);
2000 c7c19f5071c3 Write all logging through master process. Fixes problems with log rotation, Timo Sirainen <tss@iki.fi> parents: 1997 diff changeset	666 (void)close(log_fd);
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	667 return -1;
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	668 }
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	669
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	670 if (pid != 0) {
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	671 /* master */
2046 6ae973f60f43 logging cleanups. Timo Sirainen <tss@iki.fi> parents: 2000 diff changeset	672 prefix = t_strdup_printf("%s-login: ",
5843 f655c4d4a419 Moved child process handling to child-process.[ch]. The hash table now uses Timo Sirainen <tss@iki.fi> parents: 5632 diff changeset	673 process_names[group->mail_process_type]);
2046 6ae973f60f43 logging cleanups. Timo Sirainen <tss@iki.fi> parents: 2000 diff changeset	674 log_set_prefix(log, prefix);
6542 402d14b5ef8b If child process logged a fatal failure, don't show "returned error 89" Timo Sirainen <tss@iki.fi> parents: 6519 diff changeset	675 log_set_pid(log, pid);
2046 6ae973f60f43 logging cleanups. Timo Sirainen <tss@iki.fi> parents: 2000 diff changeset	676
1273 2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	677 net_set_nonblock(fd[0], TRUE);
727 8dd8ebe6bcac We use close-on-exec flag now to make sure that master process closes the Timo Sirainen <tss@iki.fi> parents: 722 diff changeset	678 fd_close_on_exec(fd[0], TRUE);
6519 66e5f514355e Login processes started by inetd aren't ours, don't treat them as such. Timo Sirainen <tss@iki.fi> parents: 6429 diff changeset	679 (void)login_process_new(group, pid, fd[0], FALSE);
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	680 (void)close(fd[1]);
2000 c7c19f5071c3 Write all logging through master process. Fixes problems with log rotation, Timo Sirainen <tss@iki.fi> parents: 1997 diff changeset	681 (void)close(log_fd);
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	682 return pid;
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	683 }
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	684
2046 6ae973f60f43 logging cleanups. Timo Sirainen <tss@iki.fi> parents: 2000 diff changeset	685 prefix = t_strdup_printf("master-%s-login: ",
5843 f655c4d4a419 Moved child process handling to child-process.[ch]. The hash table now uses Timo Sirainen <tss@iki.fi> parents: 5632 diff changeset	686 process_names[group->mail_process_type]);
2046 6ae973f60f43 logging cleanups. Timo Sirainen <tss@iki.fi> parents: 2000 diff changeset	687 log_set_prefix(log, prefix);
6ae973f60f43 logging cleanups. Timo Sirainen <tss@iki.fi> parents: 2000 diff changeset	688
5887 3f2eb1b9c555 Support listening multiple sockets. SIGHUP also doesn't anymore recreate Timo Sirainen <tss@iki.fi> parents: 5846 diff changeset	689 t_array_init(&dups, 16);
3f2eb1b9c555 Support listening multiple sockets. SIGHUP also doesn't anymore recreate Timo Sirainen <tss@iki.fi> parents: 5846 diff changeset	690 dup2_append(&dups, null_fd, STDIN_FILENO);
5632 2ed5abe3aaef Moved SSL listen fd to 4. stdout is now redirected to log. Timo Sirainen <tss@iki.fi> parents: 5358 diff changeset	691 /* redirect writes to stdout also to error log. For example OpenSSL
2ed5abe3aaef Moved SSL listen fd to 4. stdout is now redirected to log. Timo Sirainen <tss@iki.fi> parents: 5358 diff changeset	692 can be made to log its debug messages to stdout. */
5887 3f2eb1b9c555 Support listening multiple sockets. SIGHUP also doesn't anymore recreate Timo Sirainen <tss@iki.fi> parents: 5846 diff changeset	693 dup2_append(&dups, log_fd, STDOUT_FILENO);
3f2eb1b9c555 Support listening multiple sockets. SIGHUP also doesn't anymore recreate Timo Sirainen <tss@iki.fi> parents: 5846 diff changeset	694 dup2_append(&dups, log_fd, STDERR_FILENO);
3f2eb1b9c555 Support listening multiple sockets. SIGHUP also doesn't anymore recreate Timo Sirainen <tss@iki.fi> parents: 5846 diff changeset	695 dup2_append(&dups, fd[1], LOGIN_MASTER_SOCKET_FD);
3f2eb1b9c555 Support listening multiple sockets. SIGHUP also doesn't anymore recreate Timo Sirainen <tss@iki.fi> parents: 5846 diff changeset	696
3f2eb1b9c555 Support listening multiple sockets. SIGHUP also doesn't anymore recreate Timo Sirainen <tss@iki.fi> parents: 5846 diff changeset	697 /* redirect listener fds */
3f2eb1b9c555 Support listening multiple sockets. SIGHUP also doesn't anymore recreate Timo Sirainen <tss@iki.fi> parents: 5846 diff changeset	698 cur_fd = LOGIN_MASTER_SOCKET_FD + 1;
3f2eb1b9c555 Support listening multiple sockets. SIGHUP also doesn't anymore recreate Timo Sirainen <tss@iki.fi> parents: 5846 diff changeset	699 if (array_is_created(&group->set->listens)) {
3f2eb1b9c555 Support listening multiple sockets. SIGHUP also doesn't anymore recreate Timo Sirainen <tss@iki.fi> parents: 5846 diff changeset	700 listens = array_get(&group->set->listens, &listen_count);
3f2eb1b9c555 Support listening multiple sockets. SIGHUP also doesn't anymore recreate Timo Sirainen <tss@iki.fi> parents: 5846 diff changeset	701 for (i = 0; i < listen_count; i++, cur_fd++)
3f2eb1b9c555 Support listening multiple sockets. SIGHUP also doesn't anymore recreate Timo Sirainen <tss@iki.fi> parents: 5846 diff changeset	702 dup2_append(&dups, listens[i].fd, cur_fd);
3f2eb1b9c555 Support listening multiple sockets. SIGHUP also doesn't anymore recreate Timo Sirainen <tss@iki.fi> parents: 5846 diff changeset	703 }
3f2eb1b9c555 Support listening multiple sockets. SIGHUP also doesn't anymore recreate Timo Sirainen <tss@iki.fi> parents: 5846 diff changeset	704
3f2eb1b9c555 Support listening multiple sockets. SIGHUP also doesn't anymore recreate Timo Sirainen <tss@iki.fi> parents: 5846 diff changeset	705 if (array_is_created(&group->set->ssl_listens)) {
3f2eb1b9c555 Support listening multiple sockets. SIGHUP also doesn't anymore recreate Timo Sirainen <tss@iki.fi> parents: 5846 diff changeset	706 listens = array_get(&group->set->ssl_listens,
3f2eb1b9c555 Support listening multiple sockets. SIGHUP also doesn't anymore recreate Timo Sirainen <tss@iki.fi> parents: 5846 diff changeset	707 &ssl_listen_count);
3f2eb1b9c555 Support listening multiple sockets. SIGHUP also doesn't anymore recreate Timo Sirainen <tss@iki.fi> parents: 5846 diff changeset	708 for (i = 0; i < ssl_listen_count; i++, cur_fd++)
3f2eb1b9c555 Support listening multiple sockets. SIGHUP also doesn't anymore recreate Timo Sirainen <tss@iki.fi> parents: 5846 diff changeset	709 dup2_append(&dups, listens[i].fd, cur_fd);
3f2eb1b9c555 Support listening multiple sockets. SIGHUP also doesn't anymore recreate Timo Sirainen <tss@iki.fi> parents: 5846 diff changeset	710 }
3f2eb1b9c555 Support listening multiple sockets. SIGHUP also doesn't anymore recreate Timo Sirainen <tss@iki.fi> parents: 5846 diff changeset	711
8881 774b0e8138bd Call closelog() before dup2()ing fds. Timo Sirainen <tss@iki.fi> parents: 8851 diff changeset	712 /* make sure we don't leak syslog fd. try to do it as late as possible,
774b0e8138bd Call closelog() before dup2()ing fds. Timo Sirainen <tss@iki.fi> parents: 8851 diff changeset	713 but also before dup2()s in case syslog fd is one of them. */
774b0e8138bd Call closelog() before dup2()ing fds. Timo Sirainen <tss@iki.fi> parents: 8851 diff changeset	714 closelog();
774b0e8138bd Call closelog() before dup2()ing fds. Timo Sirainen <tss@iki.fi> parents: 8851 diff changeset	715
5887 3f2eb1b9c555 Support listening multiple sockets. SIGHUP also doesn't anymore recreate Timo Sirainen <tss@iki.fi> parents: 5846 diff changeset	716 if (dup2_array(&dups) < 0)
3f2eb1b9c555 Support listening multiple sockets. SIGHUP also doesn't anymore recreate Timo Sirainen <tss@iki.fi> parents: 5846 diff changeset	717 i_fatal("Failed to dup2() fds");
3f2eb1b9c555 Support listening multiple sockets. SIGHUP also doesn't anymore recreate Timo Sirainen <tss@iki.fi> parents: 5846 diff changeset	718
3f2eb1b9c555 Support listening multiple sockets. SIGHUP also doesn't anymore recreate Timo Sirainen <tss@iki.fi> parents: 5846 diff changeset	719 /* don't close any of these */
8088 14a061acbb7b Master process leaked one fd to login process. Typically it was listener fd, Timo Sirainen <tss@iki.fi> parents: 7943 diff changeset	720 for (tmp_fd = 0; tmp_fd < cur_fd; tmp_fd++)
6396 1b21dfee7bd7 Calculate needed fd count better. Make sure we have one unused fd available Timo Sirainen <tss@iki.fi> parents: 6364 diff changeset	721 fd_close_on_exec(tmp_fd, FALSE);
2000 c7c19f5071c3 Write all logging through master process. Fixes problems with log rotation, Timo Sirainen <tss@iki.fi> parents: 1997 diff changeset	722
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	723 (void)close(fd[0]);
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	724 (void)close(fd[1]);
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	725
7109 e6823d781317 Reverted "environment array" changes. It broke overriding imap/pop3 settings Timo Sirainen <tss@iki.fi> parents: 7091 diff changeset	726 login_process_init_env(group, getpid());
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	727
7109 e6823d781317 Reverted "environment array" changes. It broke overriding imap/pop3 settings Timo Sirainen <tss@iki.fi> parents: 7091 diff changeset	728 env_put(t_strdup_printf("LISTEN_FDS=%u", listen_count));
e6823d781317 Reverted "environment array" changes. It broke overriding imap/pop3 settings Timo Sirainen <tss@iki.fi> parents: 7091 diff changeset	729 env_put(t_strdup_printf("SSL_LISTEN_FDS=%u", ssl_listen_count));
5887 3f2eb1b9c555 Support listening multiple sockets. SIGHUP also doesn't anymore recreate Timo Sirainen <tss@iki.fi> parents: 5846 diff changeset	730
1610 6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	731 restrict_process_size(group->set->login_process_size, (unsigned int)-1);
722 0438621d25ff Added virtual memory size limits to processes. Default values are pretty Timo Sirainen <tss@iki.fi> parents: 699 diff changeset	732
7109 e6823d781317 Reverted "environment array" changes. It broke overriding imap/pop3 settings Timo Sirainen <tss@iki.fi> parents: 7091 diff changeset	733 client_process_exec(group->set->login_executable, "");
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	734 return -1;
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	735 }
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	736
5843 f655c4d4a419 Moved child process handling to child-process.[ch]. The hash table now uses Timo Sirainen <tss@iki.fi> parents: 5632 diff changeset	737 static void
5846 21e529b8a701 Initial implementation for mail_max_user_connections setting. Timo Sirainen <tss@iki.fi> parents: 5843 diff changeset	738 login_process_destroyed(struct child_process *process,
6411 6a64e64fa3a3 Renamed __attr___ to ATTR_. Renamed __attrs_used__ to ATTRS_DEFINED. Timo Sirainen <tss@iki.fi> parents: 6396 diff changeset	739 pid_t pid ATTR_UNUSED, bool abnormal_exit)
615 0d852af6842e Master process generates DH/RSA parameters now and stores them into file Timo Sirainen <tss@iki.fi> parents: 614 diff changeset	740 {
5843 f655c4d4a419 Moved child process handling to child-process.[ch]. The hash table now uses Timo Sirainen <tss@iki.fi> parents: 5632 diff changeset	741 struct login_process p = (struct login_process )process;
1055 a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3 Timo Sirainen <tss@iki.fi> parents: 1039 diff changeset	742
4538 9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	743 i_assert(!p->inetd_child);
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	744
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	745 if (abnormal_exit) {
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	746 /* don't start raising the process count if they're dying all
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	747 the time */
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	748 if (p->group != NULL)
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	749 p->group->wanted_processes_count = 0;
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	750 }
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	751
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	752 login_process_exited(p);
615 0d852af6842e Master process generates DH/RSA parameters now and stores them into file Timo Sirainen <tss@iki.fi> parents: 614 diff changeset	753 }
0d852af6842e Master process generates DH/RSA parameters now and stores them into file Timo Sirainen <tss@iki.fi> parents: 614 diff changeset	754
4670 5372b92be174 Reference counter fixes Timo Sirainen <tss@iki.fi> parents: 4668 diff changeset	755 void login_processes_destroy_all(void)
635 90a65c017bf0 SIGHUP reloads now settings. Logged in clients are left untouched, but Timo Sirainen <tss@iki.fi> parents: 615 diff changeset	756 {
1897 1e6ed8045f2b Changed hash_foreach() to iterator. Timo Sirainen <tss@iki.fi> parents: 1724 diff changeset	757 struct hash_iterate_context *iter;
1e6ed8045f2b Changed hash_foreach() to iterator. Timo Sirainen <tss@iki.fi> parents: 1724 diff changeset	758 void key, value;
1e6ed8045f2b Changed hash_foreach() to iterator. Timo Sirainen <tss@iki.fi> parents: 1724 diff changeset	759
8573 f9166a09423a Renamed hash_() to hash_table_() to avoid conflicts with OSX's strhash.h Timo Sirainen <tss@iki.fi> parents: 8331 diff changeset	760 iter = hash_table_iterate_init(processes);
f9166a09423a Renamed hash_() to hash_table_() to avoid conflicts with OSX's strhash.h Timo Sirainen <tss@iki.fi> parents: 8331 diff changeset	761 while (hash_table_iterate(iter, &key, &value)) {
5843 f655c4d4a419 Moved child process handling to child-process.[ch]. The hash table now uses Timo Sirainen <tss@iki.fi> parents: 5632 diff changeset	762 struct login_process *p = value;
f655c4d4a419 Moved child process handling to child-process.[ch]. The hash table now uses Timo Sirainen <tss@iki.fi> parents: 5632 diff changeset	763
f655c4d4a419 Moved child process handling to child-process.[ch]. The hash table now uses Timo Sirainen <tss@iki.fi> parents: 5632 diff changeset	764 if (p->process.type == PROCESS_TYPE_LOGIN)
f655c4d4a419 Moved child process handling to child-process.[ch]. The hash table now uses Timo Sirainen <tss@iki.fi> parents: 5632 diff changeset	765 login_process_destroy(p);
f655c4d4a419 Moved child process handling to child-process.[ch]. The hash table now uses Timo Sirainen <tss@iki.fi> parents: 5632 diff changeset	766 }
8573 f9166a09423a Renamed hash_() to hash_table_() to avoid conflicts with OSX's strhash.h Timo Sirainen <tss@iki.fi> parents: 8331 diff changeset	767 hash_table_iterate_deinit(&iter);
635 90a65c017bf0 SIGHUP reloads now settings. Logged in clients are left untouched, but Timo Sirainen <tss@iki.fi> parents: 615 diff changeset	768
1055 a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3 Timo Sirainen <tss@iki.fi> parents: 1039 diff changeset	769 while (login_groups != NULL) {
a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3 Timo Sirainen <tss@iki.fi> parents: 1039 diff changeset	770 struct login_group *group = login_groups;
a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3 Timo Sirainen <tss@iki.fi> parents: 1039 diff changeset	771
a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3 Timo Sirainen <tss@iki.fi> parents: 1039 diff changeset	772 login_groups = group->next;
4631 f5d53a684856 SIGHUP caused memory corruption Timo Sirainen <tss@iki.fi> parents: 4630 diff changeset	773 login_group_unref(group);
1055 a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3 Timo Sirainen <tss@iki.fi> parents: 1039 diff changeset	774 }
a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3 Timo Sirainen <tss@iki.fi> parents: 1039 diff changeset	775 }
a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3 Timo Sirainen <tss@iki.fi> parents: 1039 diff changeset	776
4538 9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	777 static void login_processes_notify_group(struct login_group *group)
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	778 {
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	779 struct hash_iterate_context *iter;
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	780 struct master_login_reply reply;
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	781 void key, value;
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	782
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	783 memset(&reply, 0, sizeof(reply));
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	784
8573 f9166a09423a Renamed hash_() to hash_table_() to avoid conflicts with OSX's strhash.h Timo Sirainen <tss@iki.fi> parents: 8331 diff changeset	785 iter = hash_table_iterate_init(processes);
f9166a09423a Renamed hash_() to hash_table_() to avoid conflicts with OSX's strhash.h Timo Sirainen <tss@iki.fi> parents: 8331 diff changeset	786 while (hash_table_iterate(iter, &key, &value)) {
4538 9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	787 struct login_process *p = value;
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	788
5843 f655c4d4a419 Moved child process handling to child-process.[ch]. The hash table now uses Timo Sirainen <tss@iki.fi> parents: 5632 diff changeset	789 if (p->process.type == PROCESS_TYPE_LOGIN && p->group == group)
4538 9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	790 (void)o_stream_send(p->output, &reply, sizeof(reply));
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	791 }
8573 f9166a09423a Renamed hash_() to hash_table_() to avoid conflicts with OSX's strhash.h Timo Sirainen <tss@iki.fi> parents: 8331 diff changeset	792 hash_table_iterate_deinit(&iter);
4538 9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	793 }
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	794
4148 f60d73c96618 If master process runs out of file descriptors, try to handle it more nicely Timo Sirainen <tss@iki.fi> parents: 3901 diff changeset	795 static int login_group_start_missings(struct login_group *group)
1055 a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3 Timo Sirainen <tss@iki.fi> parents: 1039 diff changeset	796 {
4538 9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	797 if (group->set->login_process_per_connection &&
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	798 group->processes >= group->set->login_max_processes_count &&
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	799 group->listening_processes == 0) {
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	800 /* destroy the oldest listening process. non-listening
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	801 processes are logged in users who we don't want to kick out
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	802 because someone's started flooding */
4661 885bef091d1a Make sure we don't kill login processes that haven't yet even sent their Timo Sirainen <tss@iki.fi> parents: 4651 diff changeset	803 if (group->oldest_prelogin_process != NULL &&
885bef091d1a Make sure we don't kill login processes that haven't yet even sent their Timo Sirainen <tss@iki.fi> parents: 4651 diff changeset	804 group->oldest_prelogin_process->initialized)
4538 9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	805 login_process_destroy(group->oldest_prelogin_process);
8666 ca964325664e If all login processes are in use and we can't create a new one, log a warning. Timo Sirainen <tss@iki.fi> parents: 8632 diff changeset	806 else if (ioloop_time - group->last_limit_warning >
ca964325664e If all login processes are in use and we can't create a new one, log a warning. Timo Sirainen <tss@iki.fi> parents: 8632 diff changeset	807 LOGIN_LIMIT_WARNING_MIN_INTERVAL) {
ca964325664e If all login processes are in use and we can't create a new one, log a warning. Timo Sirainen <tss@iki.fi> parents: 8632 diff changeset	808 group->last_limit_warning = ioloop_time;
ca964325664e If all login processes are in use and we can't create a new one, log a warning. Timo Sirainen <tss@iki.fi> parents: 8632 diff changeset	809 i_warning("All login processes are in use. You may "
ca964325664e If all login processes are in use and we can't create a new one, log a warning. Timo Sirainen <tss@iki.fi> parents: 8632 diff changeset	810 "need to increase login_max_processes_count");
ca964325664e If all login processes are in use and we can't create a new one, log a warning. Timo Sirainen <tss@iki.fi> parents: 8632 diff changeset	811 }
1055 a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3 Timo Sirainen <tss@iki.fi> parents: 1039 diff changeset	812 }
a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3 Timo Sirainen <tss@iki.fi> parents: 1039 diff changeset	813
a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3 Timo Sirainen <tss@iki.fi> parents: 1039 diff changeset	814 /* we want to respond fast when multiple clients are connecting
a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3 Timo Sirainen <tss@iki.fi> parents: 1039 diff changeset	815 at once, but we also want to prevent fork-bombing. use the
a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3 Timo Sirainen <tss@iki.fi> parents: 1039 diff changeset	816 same method as apache: check once a second if we need new
a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3 Timo Sirainen <tss@iki.fi> parents: 1039 diff changeset	817 processes. if yes and we've used all the existing processes,
a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3 Timo Sirainen <tss@iki.fi> parents: 1039 diff changeset	818 double their amount (unless we've hit the high limit).
a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3 Timo Sirainen <tss@iki.fi> parents: 1039 diff changeset	819 Then for each second that didn't use all existing processes,
a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3 Timo Sirainen <tss@iki.fi> parents: 1039 diff changeset	820 drop the max. process count by one. */
1610 6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	821 if (group->wanted_processes_count < group->set->login_processes_count) {
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	822 group->wanted_processes_count =
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	823 group->set->login_processes_count;
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	824 } else if (group->listening_processes == 0)
1055 a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3 Timo Sirainen <tss@iki.fi> parents: 1039 diff changeset	825 group->wanted_processes_count *= 2;
1610 6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	826 else if (group->wanted_processes_count >
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	827 group->set->login_processes_count)
1055 a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3 Timo Sirainen <tss@iki.fi> parents: 1039 diff changeset	828 group->wanted_processes_count--;
a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3 Timo Sirainen <tss@iki.fi> parents: 1039 diff changeset	829
4538 9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	830 while (group->listening_processes < group->wanted_processes_count &&
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	831 group->processes < group->set->login_max_processes_count) {
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	832 if (create_login_process(group) < 0)
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	833 return -1;
1610 6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	834 }
1055 a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3 Timo Sirainen <tss@iki.fi> parents: 1039 diff changeset	835
4538 9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	836 if (group->listening_processes == 0 &&
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	837 !group->set->login_process_per_connection) {
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	838 /* we've reached our limit. notify the processes to start
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	839 listening again which makes them kill some of their
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	840 oldest clients when accepting the next connection */
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	841 login_processes_notify_group(group);
4148 f60d73c96618 If master process runs out of file descriptors, try to handle it more nicely Timo Sirainen <tss@iki.fi> parents: 3901 diff changeset	842 }
f60d73c96618 If master process runs out of file descriptors, try to handle it more nicely Timo Sirainen <tss@iki.fi> parents: 3901 diff changeset	843 return 0;
635 90a65c017bf0 SIGHUP reloads now settings. Logged in clients are left untouched, but Timo Sirainen <tss@iki.fi> parents: 615 diff changeset	844 }
90a65c017bf0 SIGHUP reloads now settings. Logged in clients are left untouched, but Timo Sirainen <tss@iki.fi> parents: 615 diff changeset	845
4148 f60d73c96618 If master process runs out of file descriptors, try to handle it more nicely Timo Sirainen <tss@iki.fi> parents: 3901 diff changeset	846 static void login_processes_stall(void)
f60d73c96618 If master process runs out of file descriptors, try to handle it more nicely Timo Sirainen <tss@iki.fi> parents: 3901 diff changeset	847 {
4665 e4d7d01b0784 Deinit crashfix. Timo Sirainen <tss@iki.fi> parents: 4661 diff changeset	848 if (logins_stalled \|\| IS_INETD())
4148 f60d73c96618 If master process runs out of file descriptors, try to handle it more nicely Timo Sirainen <tss@iki.fi> parents: 3901 diff changeset	849 return;
f60d73c96618 If master process runs out of file descriptors, try to handle it more nicely Timo Sirainen <tss@iki.fi> parents: 3901 diff changeset	850
f60d73c96618 If master process runs out of file descriptors, try to handle it more nicely Timo Sirainen <tss@iki.fi> parents: 3901 diff changeset	851 i_error("Temporary failure in creating login processes, "
f60d73c96618 If master process runs out of file descriptors, try to handle it more nicely Timo Sirainen <tss@iki.fi> parents: 3901 diff changeset	852 "slowing down for now");
f60d73c96618 If master process runs out of file descriptors, try to handle it more nicely Timo Sirainen <tss@iki.fi> parents: 3901 diff changeset	853 logins_stalled = TRUE;
f60d73c96618 If master process runs out of file descriptors, try to handle it more nicely Timo Sirainen <tss@iki.fi> parents: 3901 diff changeset	854
f60d73c96618 If master process runs out of file descriptors, try to handle it more nicely Timo Sirainen <tss@iki.fi> parents: 3901 diff changeset	855 timeout_remove(&to);
f60d73c96618 If master process runs out of file descriptors, try to handle it more nicely Timo Sirainen <tss@iki.fi> parents: 3901 diff changeset	856 to = timeout_add(60*1000, login_processes_start_missing, NULL);
f60d73c96618 If master process runs out of file descriptors, try to handle it more nicely Timo Sirainen <tss@iki.fi> parents: 3901 diff changeset	857 }
f60d73c96618 If master process runs out of file descriptors, try to handle it more nicely Timo Sirainen <tss@iki.fi> parents: 3901 diff changeset	858
903 fd8888f6f037 Naming style changes, finally got tired of most of the typedefs. Also the Timo Sirainen <tss@iki.fi> parents: 876 diff changeset	859 static void
6411 6a64e64fa3a3 Renamed __attr___ to ATTR_. Renamed __attrs_used__ to ATTRS_DEFINED. Timo Sirainen <tss@iki.fi> parents: 6396 diff changeset	860 login_processes_start_missing(void *context ATTR_UNUSED)
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	861 {
1055 a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3 Timo Sirainen <tss@iki.fi> parents: 1039 diff changeset	862 struct login_group *group;
614 e60620644af3 login_process_per_connection = yes scales now better when multiple users are Timo Sirainen <tss@iki.fi> parents: 613 diff changeset	863
5136 86625faa49b5 Start auth processes immediately at startup, not after one second delay. Timo Sirainen <tss@iki.fi> parents: 5089 diff changeset	864 if (!have_initialized_auth_processes) {
86625faa49b5 Start auth processes immediately at startup, not after one second delay. Timo Sirainen <tss@iki.fi> parents: 5089 diff changeset	865 /* don't create login processes before at least one auth
86625faa49b5 Start auth processes immediately at startup, not after one second delay. Timo Sirainen <tss@iki.fi> parents: 5089 diff changeset	866 process has finished initializing */
86625faa49b5 Start auth processes immediately at startup, not after one second delay. Timo Sirainen <tss@iki.fi> parents: 5089 diff changeset	867 return;
86625faa49b5 Start auth processes immediately at startup, not after one second delay. Timo Sirainen <tss@iki.fi> parents: 5089 diff changeset	868 }
86625faa49b5 Start auth processes immediately at startup, not after one second delay. Timo Sirainen <tss@iki.fi> parents: 5089 diff changeset	869
1610 6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	870 if (login_groups == NULL)
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	871 login_process_groups_create();
614 e60620644af3 login_process_per_connection = yes scales now better when multiple users are Timo Sirainen <tss@iki.fi> parents: 613 diff changeset	872
4148 f60d73c96618 If master process runs out of file descriptors, try to handle it more nicely Timo Sirainen <tss@iki.fi> parents: 3901 diff changeset	873 for (group = login_groups; group != NULL; group = group->next) {
f60d73c96618 If master process runs out of file descriptors, try to handle it more nicely Timo Sirainen <tss@iki.fi> parents: 3901 diff changeset	874 if (login_group_start_missings(group) < 0) {
f60d73c96618 If master process runs out of file descriptors, try to handle it more nicely Timo Sirainen <tss@iki.fi> parents: 3901 diff changeset	875 login_processes_stall();
f60d73c96618 If master process runs out of file descriptors, try to handle it more nicely Timo Sirainen <tss@iki.fi> parents: 3901 diff changeset	876 return;
f60d73c96618 If master process runs out of file descriptors, try to handle it more nicely Timo Sirainen <tss@iki.fi> parents: 3901 diff changeset	877 }
f60d73c96618 If master process runs out of file descriptors, try to handle it more nicely Timo Sirainen <tss@iki.fi> parents: 3901 diff changeset	878 }
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	879 }
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	880
1273 2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	881 static int login_process_send_env(struct login_process *p)
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	882 {
7109 e6823d781317 Reverted "environment array" changes. It broke overriding imap/pop3 settings Timo Sirainen <tss@iki.fi> parents: 7091 diff changeset	883 extern char **environ;
e6823d781317 Reverted "environment array" changes. It broke overriding imap/pop3 settings Timo Sirainen <tss@iki.fi> parents: 7091 diff changeset	884 char **env;
3607 a2dd3d895e00 Several fixes to make running from inetd working again Timo Sirainen <tss@iki.fi> parents: 3384 diff changeset	885 ssize_t len;
1273 2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	886 int ret = 0;
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	887
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	888 /* this will clear our environment. luckily we don't need it. */
7109 e6823d781317 Reverted "environment array" changes. It broke overriding imap/pop3 settings Timo Sirainen <tss@iki.fi> parents: 7091 diff changeset	889 login_process_init_env(p->group, p->pid);
1273 2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	890
7109 e6823d781317 Reverted "environment array" changes. It broke overriding imap/pop3 settings Timo Sirainen <tss@iki.fi> parents: 7091 diff changeset	891 for (env = environ; *env != NULL; env++) {
e6823d781317 Reverted "environment array" changes. It broke overriding imap/pop3 settings Timo Sirainen <tss@iki.fi> parents: 7091 diff changeset	892 len = strlen(*env);
1273 2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	893
7109 e6823d781317 Reverted "environment array" changes. It broke overriding imap/pop3 settings Timo Sirainen <tss@iki.fi> parents: 7091 diff changeset	894 if (o_stream_send(p->output, *env, len) != len \|\|
1273 2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	895 o_stream_send(p->output, "\n", 1) != 1) {
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	896 ret = -1;
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	897 break;
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	898 }
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	899 }
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	900
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	901 if (ret == 0 && o_stream_send(p->output, "\n", 1) != 1)
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	902 ret = -1;
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	903
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	904 env_clean();
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	905 return ret;
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	906 }
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	907
3863 55df57c028d4 Added "bool" type and changed all ints that were used as booleans to bool. Timo Sirainen <tss@iki.fi> parents: 3692 diff changeset	908 static bool login_process_init_group(struct login_process *p)
1275 af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	909 {
4740 0a1fa29ac87f inetd logins kept crashing dovecot master. Timo Sirainen <tss@iki.fi> parents: 4734 diff changeset	910 p->group->refcount++;
1275 af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	911 p->group->processes++;
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	912 p->group->listening_processes++;
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	913
7109 e6823d781317 Reverted "environment array" changes. It broke overriding imap/pop3 settings Timo Sirainen <tss@iki.fi> parents: 7091 diff changeset	914 if (login_process_send_env(p) < 0) {
1275 af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	915 i_error("login: Couldn't send environment");
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	916 return FALSE;
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	917 }
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	918
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	919 return TRUE;
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	920 }
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	921
6411 6a64e64fa3a3 Renamed __attr___ to ATTR_. Renamed __attrs_used__ to ATTRS_DEFINED. Timo Sirainen <tss@iki.fi> parents: 6396 diff changeset	922 static void inetd_login_accept(void *context ATTR_UNUSED)
1273 2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	923 {
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	924 struct login_process *p;
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	925 int fd;
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	926
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	927 fd = net_accept(inetd_login_fd, NULL, NULL);
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	928 if (fd < 0) {
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	929 if (fd < -1)
5358 a977ad033903 net_listen_unix() API changed a bit. -1 is now returned for errors that can Timo Sirainen <tss@iki.fi> parents: 5136 diff changeset	930 i_error("accept(inetd_login_fd) failed: %m");
1273 2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	931 } else {
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	932 net_set_nonblock(fd, TRUE);
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	933 fd_close_on_exec(fd, TRUE);
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	934
6519 66e5f514355e Login processes started by inetd aren't ours, don't treat them as such. Timo Sirainen <tss@iki.fi> parents: 6429 diff changeset	935 p = login_process_new(NULL, ++login_pid_counter, fd, TRUE);
1275 af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	936 p->initialized = TRUE;
1273 2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	937 }
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	938 }
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	939
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	940 void login_processes_init(void)
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	941 {
1273 2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	942 auth_id_counter = 0;
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	943 login_pid_counter = 0;
1055 a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3 Timo Sirainen <tss@iki.fi> parents: 1039 diff changeset	944 login_groups = NULL;
613 1906116a62ce Finally support for handling each login connection in it's own process. Timo Sirainen <tss@iki.fi> parents: 596 diff changeset	945
5843 f655c4d4a419 Moved child process handling to child-process.[ch]. The hash table now uses Timo Sirainen <tss@iki.fi> parents: 5632 diff changeset	946 child_process_set_destroy_callback(PROCESS_TYPE_LOGIN,
f655c4d4a419 Moved child process handling to child-process.[ch]. The hash table now uses Timo Sirainen <tss@iki.fi> parents: 5632 diff changeset	947 login_process_destroyed);
f655c4d4a419 Moved child process handling to child-process.[ch]. The hash table now uses Timo Sirainen <tss@iki.fi> parents: 5632 diff changeset	948
1273 2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	949 if (!IS_INETD()) {
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	950 to = timeout_add(1000, login_processes_start_missing, NULL);
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	951 io_listen = NULL;
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	952 } else {
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	953 to = NULL;
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	954 io_listen = io_add(inetd_login_fd, IO_READ,
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	955 inetd_login_accept, NULL);
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	956 }
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	957 }
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	958
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	959 void login_processes_deinit(void)
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	960 {
1273 2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	961 if (to != NULL)
3879 928229f8b3e6 deinit, unref, destroy, close, free, etc. functions now take a pointer to Timo Sirainen <tss@iki.fi> parents: 3863 diff changeset	962 timeout_remove(&to);
1273 2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	963 if (io_listen != NULL)
3879 928229f8b3e6 deinit, unref, destroy, close, free, etc. functions now take a pointer to Timo Sirainen <tss@iki.fi> parents: 3863 diff changeset	964 io_remove(&io_listen);
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	965 }

Mercurial > dovecot > original-hg > dovecot-1.2

annotate src/master/login-process.c @ 9448:ab32d7e2c0d6 HEAD