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

annotate src/master/login-process.c @ 6396:1b21dfee7bd7 HEAD

Calculate needed fd count better. Make sure we have one unused fd available when exec()ing so it doesn't fail.

author	Timo Sirainen <tss@iki.fi>
date	Sat, 15 Sep 2007 16:58:18 +0300
parents	7ad61f00ee55
children	6a64e64fa3a3

rev	line source
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	1 /* Copyright (C) 2002 Timo Sirainen */
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
903 fd8888f6f037 Naming style changes, finally got tired of most of the typedefs. Also the Timo Sirainen <tss@iki.fi> parents: 876 diff changeset	26 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	27 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	28
1055 a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3 Timo Sirainen <tss@iki.fi> parents: 1039 diff changeset	29 struct login_group *group;
4538 9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	30 struct login_process prev_prelogin, next_prelogin;
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	31 int refcount;
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	32
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	33 pid_t pid;
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	34 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	35 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	36 struct ostream *output;
4538 9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	37 enum master_login_state state;
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	38
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	39 unsigned int initialized:1;
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	40 unsigned int destroyed:1;
4538 9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	41 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	42 };
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	43
903 fd8888f6f037 Naming style changes, finally got tired of most of the typedefs. Also the Timo Sirainen <tss@iki.fi> parents: 876 diff changeset	44 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	45 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	46 unsigned int tag;
fe49ece0f3ea We have now separate "userdb" and "passdb". They aren't tied to each others Timo Sirainen <tss@iki.fi> parents: 1000 diff changeset	47
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 login_tag;
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	49 int fd;
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	50
2097 4e77cb0aff21 Added %l, %r and %P variables and mail_log_prefix setting. Timo Sirainen <tss@iki.fi> parents: 2046 diff changeset	51 struct ip_addr local_ip, remote_ip;
903 fd8888f6f037 Naming style changes, finally got tired of most of the typedefs. Also the Timo Sirainen <tss@iki.fi> parents: 876 diff changeset	52 };
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	53
1273 2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	54 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	55 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	56 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	57 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	58
1055 a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3 Timo Sirainen <tss@iki.fi> parents: 1039 diff changeset	59 static struct login_group *login_groups;
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	60
4651 2fe8f6a0bc5b If login process dies before initialization, stall creation of them instead Timo Sirainen <tss@iki.fi> parents: 4649 diff changeset	61 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	62 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	63 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	64 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	65 static void login_processes_start_missing(void *context);
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	66
1610 6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	67 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	68 {
a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3 Timo Sirainen <tss@iki.fi> parents: 1039 diff changeset	69 struct login_group *group;
a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3 Timo Sirainen <tss@iki.fi> parents: 1039 diff changeset	70
a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3 Timo Sirainen <tss@iki.fi> parents: 1039 diff changeset	71 group = i_new(struct login_group, 1);
4631 f5d53a684856 SIGHUP caused memory corruption Timo Sirainen <tss@iki.fi> parents: 4630 diff changeset	72 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	73 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	74 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	75 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	76
a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3 Timo Sirainen <tss@iki.fi> parents: 1039 diff changeset	77 group->next = login_groups;
a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3 Timo Sirainen <tss@iki.fi> parents: 1039 diff changeset	78 login_groups = group;
a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3 Timo Sirainen <tss@iki.fi> parents: 1039 diff changeset	79 }
a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3 Timo Sirainen <tss@iki.fi> parents: 1039 diff changeset	80
4631 f5d53a684856 SIGHUP caused memory corruption Timo Sirainen <tss@iki.fi> parents: 4630 diff changeset	81 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	82 {
4631 f5d53a684856 SIGHUP caused memory corruption Timo Sirainen <tss@iki.fi> parents: 4630 diff changeset	83 i_assert(group->refcount > 0);
f5d53a684856 SIGHUP caused memory corruption Timo Sirainen <tss@iki.fi> parents: 4630 diff changeset	84
f5d53a684856 SIGHUP caused memory corruption Timo Sirainen <tss@iki.fi> parents: 4630 diff changeset	85 if (--group->refcount > 0)
f5d53a684856 SIGHUP caused memory corruption Timo Sirainen <tss@iki.fi> parents: 4630 diff changeset	86 return;
f5d53a684856 SIGHUP caused memory corruption Timo Sirainen <tss@iki.fi> parents: 4630 diff changeset	87
1055 a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3 Timo Sirainen <tss@iki.fi> parents: 1039 diff changeset	88 i_free(group);
a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3 Timo Sirainen <tss@iki.fi> parents: 1039 diff changeset	89 }
a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3 Timo Sirainen <tss@iki.fi> parents: 1039 diff changeset	90
2736 0f31778d3c34 Changed dovecot-auth protocol to ASCII based. Should be easier now to write Timo Sirainen <tss@iki.fi> parents: 2691 diff changeset	91 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	92 struct login_auth_request *request)
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	93 {
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	94 struct master_login_reply master_reply;
2329 f34aca0d7c85 Changed default cache fields. Timo Sirainen <tss@iki.fi> parents: 2141 diff changeset	95 ssize_t ret;
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	96
4740 0a1fa29ac87f inetd logins kept crashing dovecot master. Timo Sirainen <tss@iki.fi> parents: 4734 diff changeset	97 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	98 if (user == NULL)
5846 21e529b8a701 Initial implementation for mail_max_user_connections setting. Timo Sirainen <tss@iki.fi> parents: 5843 diff changeset	99 master_reply.status = MASTER_LOGIN_STATUS_INTERNAL_ERROR;
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	100 else {
1055 a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3 Timo Sirainen <tss@iki.fi> parents: 1039 diff changeset	101 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	102
2097 4e77cb0aff21 Added %l, %r and %P variables and mail_log_prefix setting. Timo Sirainen <tss@iki.fi> parents: 2046 diff changeset	103 t_push();
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,
f655c4d4a419 Moved child process handling to child-process.[ch]. The hash table now uses Timo Sirainen <tss@iki.fi> parents: 5632 diff changeset	106 group->set,
4197 c3ded5b815aa If we have plugins set and imap_capability unset, figure out the IMAP Timo Sirainen <tss@iki.fi> parents: 4148 diff changeset	107 request->fd, &request->local_ip,
c3ded5b815aa If we have plugins set and imap_capability unset, figure out the IMAP Timo Sirainen <tss@iki.fi> parents: 4148 diff changeset	108 &request->remote_ip, user, args,
c3ded5b815aa If we have plugins set and imap_capability unset, figure out the IMAP Timo Sirainen <tss@iki.fi> parents: 4148 diff changeset	109 FALSE);
2097 4e77cb0aff21 Added %l, %r and %P variables and mail_log_prefix setting. Timo Sirainen <tss@iki.fi> parents: 2046 diff changeset	110 t_pop();
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	111 }
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	112
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	113 /* 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	114 master_reply.tag = request->login_tag;
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	115
2329 f34aca0d7c85 Changed default cache fields. Timo Sirainen <tss@iki.fi> parents: 2141 diff changeset	116 ret = o_stream_send(request->process->output, &master_reply,
f34aca0d7c85 Changed default cache fields. Timo Sirainen <tss@iki.fi> parents: 2141 diff changeset	117 sizeof(master_reply));
f34aca0d7c85 Changed default cache fields. Timo Sirainen <tss@iki.fi> parents: 2141 diff changeset	118 if (ret != sizeof(master_reply)) {
f34aca0d7c85 Changed default cache fields. Timo Sirainen <tss@iki.fi> parents: 2141 diff changeset	119 if (ret >= 0) {
f34aca0d7c85 Changed default cache fields. Timo Sirainen <tss@iki.fi> parents: 2141 diff changeset	120 i_warning("Login process %s transmit buffer full, "
f34aca0d7c85 Changed default cache fields. Timo Sirainen <tss@iki.fi> parents: 2141 diff changeset	121 "killing..", dec2str(request->process->pid));
f34aca0d7c85 Changed default cache fields. Timo Sirainen <tss@iki.fi> parents: 2141 diff changeset	122 }
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	123 login_process_destroy(request->process);
2329 f34aca0d7c85 Changed default cache fields. Timo Sirainen <tss@iki.fi> parents: 2141 diff changeset	124 }
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	125
805 5ac361acb316 Marked all non-trivial buffer modifications with @UNSAFE tag. Several Timo Sirainen <tss@iki.fi> parents: 801 diff changeset	126 if (close(request->fd) < 0)
1055 a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3 Timo Sirainen <tss@iki.fi> parents: 1039 diff changeset	127 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	128 login_process_unref(request->process);
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	129 i_free(request);
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	130 }
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	131
4538 9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	132 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	133 {
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	134 if (p->state != LOGIN_STATE_FULL_PRELOGINS)
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	135 return;
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	136
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	137 if (p->prev_prelogin == NULL)
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	138 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	139 else
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	140 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	141
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	142 if (p->next_prelogin == NULL)
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	143 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	144 else
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	145 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	146
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	147 p->prev_prelogin = p->next_prelogin = NULL;
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	148 }
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	149
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	150 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	151 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	152 {
4538 9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	153 if (p->group == NULL)
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	154 return;
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	155
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	156 if (p->state == LOGIN_STATE_LISTENING)
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	157 p->group->listening_processes--;
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	158
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	159 if (new_state == LOGIN_STATE_FULL_PRELOGINS) {
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	160 /* add to prelogin list */
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	161 i_assert(p->state != new_state);
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	162
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	163 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	164 if (p->group->newest_prelogin_process == NULL)
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	165 p->group->oldest_prelogin_process = p;
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	166 else
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	167 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	168 p->group->newest_prelogin_process = p;
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	169 } else {
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	170 process_remove_from_prelogin_lists(p);
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 }
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 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	175 {
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	176 if (p->group == NULL)
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	177 return;
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	178
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	179 if (p->state != LOGIN_STATE_LISTENING)
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	180 p->group->listening_processes++;
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 process_remove_from_prelogin_lists(p);
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	183 }
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	184
4651 2fe8f6a0bc5b If login process dies before initialization, stall creation of them instead Timo Sirainen <tss@iki.fi> parents: 4649 diff changeset	185 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	186 {
2fe8f6a0bc5b If login process dies before initialization, stall creation of them instead Timo Sirainen <tss@iki.fi> parents: 4649 diff changeset	187 p->initialized = TRUE;
2fe8f6a0bc5b If login process dies before initialization, stall creation of them instead Timo Sirainen <tss@iki.fi> parents: 4649 diff changeset	188
2fe8f6a0bc5b If login process dies before initialization, stall creation of them instead Timo Sirainen <tss@iki.fi> parents: 4649 diff changeset	189 if (logins_stalled) {
2fe8f6a0bc5b If login process dies before initialization, stall creation of them instead Timo Sirainen <tss@iki.fi> parents: 4649 diff changeset	190 /* 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	191 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	192
2fe8f6a0bc5b If login process dies before initialization, stall creation of them instead Timo Sirainen <tss@iki.fi> parents: 4649 diff changeset	193 logins_stalled = FALSE;
2fe8f6a0bc5b If login process dies before initialization, stall creation of them instead Timo Sirainen <tss@iki.fi> parents: 4649 diff changeset	194 timeout_remove(&to);
2fe8f6a0bc5b If login process dies before initialization, stall creation of them instead Timo Sirainen <tss@iki.fi> parents: 4649 diff changeset	195 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	196 }
2fe8f6a0bc5b If login process dies before initialization, stall creation of them instead Timo Sirainen <tss@iki.fi> parents: 4649 diff changeset	197 }
2fe8f6a0bc5b If login process dies before initialization, stall creation of them instead Timo Sirainen <tss@iki.fi> parents: 4649 diff changeset	198
4538 9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	199 static void
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	200 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	201 {
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	202 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	203 (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	204 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	205 "(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	206 p->state, state);
4640 f5772851ac91 If login process sends wrong state information, restart it. Timo Sirainen <tss@iki.fi> parents: 4632 diff changeset	207 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	208 return;
e60620644af3 login_process_per_connection = yes scales now better when multiple users are Timo Sirainen <tss@iki.fi> parents: 613 diff changeset	209 }
e60620644af3 login_process_per_connection = yes scales now better when multiple users are Timo Sirainen <tss@iki.fi> parents: 613 diff changeset	210
4538 9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	211 if (state == LOGIN_STATE_LISTENING) {
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	212 process_mark_listening(p);
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	213 } else {
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	214 process_mark_nonlistening(p, state);
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	215 }
1275 af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	216
4538 9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	217 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	218 }
614 e60620644af3 login_process_per_connection = yes scales now better when multiple users are Timo Sirainen <tss@iki.fi> parents: 613 diff changeset	219
1610 6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	220 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	221 {
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	222 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	223
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	224 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	225 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	226 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	227 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	228 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	229 }
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	230 }
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	231
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	232 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	233 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	234 {
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	235 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	236
1610 6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	237 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	238 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	239
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	240 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	241 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	242 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	243 return group;
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	244 }
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	245
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	246 return NULL;
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	247 }
614 e60620644af3 login_process_per_connection = yes scales now better when multiple users are Timo Sirainen <tss@iki.fi> parents: 613 diff changeset	248
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	249 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	250 {
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	251 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	252 const char name, proto;
5089 18559c7e3a15 Cleanups and minor fixes Timo Sirainen <tss@iki.fi> parents: 4907 diff changeset	253 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	254 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	255 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	256 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	257
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	258 /* read length */
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	259 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	260 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	261 len = 0;
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	262 else {
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	263 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	264 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	265 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	266 return FALSE;
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	267 }
614 e60620644af3 login_process_per_connection = yes scales now better when multiple users are Timo Sirainen <tss@iki.fi> parents: 613 diff changeset	268
1275 af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	269 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	270 }
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	271
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	272 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	273 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	274 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	275 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	276 else {
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	277 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	278 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	279 if (proto == NULL) {
3607 a2dd3d895e00 Several fixes to make running from inetd working again Timo Sirainen <tss@iki.fi> parents: 3384 diff changeset	280 proto = name;
a2dd3d895e00 Several fixes to make running from inetd working again Timo Sirainen <tss@iki.fi> parents: 3384 diff changeset	281 name = "default";
a2dd3d895e00 Several fixes to make running from inetd working again Timo Sirainen <tss@iki.fi> parents: 3384 diff changeset	282 } else {
a2dd3d895e00 Several fixes to make running from inetd working again Timo Sirainen <tss@iki.fi> parents: 3384 diff changeset	283 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	284 }
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	285
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	286 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	287 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	288 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	289 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	290 else {
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	291 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	292 return FALSE;
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	293 }
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	294
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	295 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	296 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	297 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	298 return FALSE;
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	299 }
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	300
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	301 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	302 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	303 }
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	304 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	305 }
e60620644af3 login_process_per_connection = yes scales now better when multiple users are Timo Sirainen <tss@iki.fi> parents: 613 diff changeset	306
4649 a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	307 static int
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	308 login_read_request(struct login_process p, struct master_login_request req,
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	309 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	310 {
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	311 struct stat st;
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	312 ssize_t ret;
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	313
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	314 *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	315
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	316 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	317 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	318 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	319 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	320 "(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	321 return -1;
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
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	324 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	325 if (ret == 0) {
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	326 /* 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	327 } 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	328 /* request wasn't fully read */
4734 f032a5d2bc0d Error message fix for 64bit systems. Timo Sirainen <tss@iki.fi> parents: 4670 diff changeset	329 i_error("login: fd_read() returned partial %d",
f032a5d2bc0d Error message fix for 64bit systems. Timo Sirainen <tss@iki.fi> parents: 4670 diff changeset	330 (int)ret);
4649 a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	331 } else {
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	332 if (errno == EAGAIN)
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	333 return 0;
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	334
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	335 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	336 }
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	337 return -1;
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
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	340 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	341 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	342 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	343 "a file descriptor");
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	344 return -1;
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	345 }
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	346 return 1;
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	347 }
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	348
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	349 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	350 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	351 return -1;
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	352 }
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	353
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	354 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	355 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	356 return -1;
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	357 }
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	358
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	359 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	360 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	361 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	362 return -1;
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	363 }
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	364 return 1;
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	365 }
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	366
4907 5b4c9b20eba0 Replaced void context from a lot of callbacks with the actual context Timo Sirainen <tss@iki.fi>* parents: 4740 diff changeset	367 static void login_process_input(struct login_process *p)
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	368 {
903 fd8888f6f037 Naming style changes, finally got tired of most of the typedefs. Also the Timo Sirainen <tss@iki.fi> parents: 876 diff changeset	369 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	370 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	371 struct master_login_request req;
1275 af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	372 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	373 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	374
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	375 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	376 /* 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	377 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	378 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	379 return;
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	380 }
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	381
4649 a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	382 ret = login_read_request(p, &req, &client_fd);
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	383 if (ret == 0)
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	384 return;
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	385 if (ret < 0) {
a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	386 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	387 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	388 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	389 }
2779 1fd55b4341b9 Added version to login <-> master communication as well. Timo Sirainen <tss@iki.fi> parents: 2736 diff changeset	390 login_process_destroy(p);
1fd55b4341b9 Added version to login <-> master communication as well. Timo Sirainen <tss@iki.fi> parents: 2736 diff changeset	391 return;
1fd55b4341b9 Added version to login <-> master communication as well. Timo Sirainen <tss@iki.fi> parents: 2736 diff changeset	392 }
1fd55b4341b9 Added version to login <-> master communication as well. Timo Sirainen <tss@iki.fi> parents: 2736 diff changeset	393
4649 a3d6a3462745 Send inode number in login requests and verify that they match. Timo Sirainen <tss@iki.fi> parents: 4640 diff changeset	394 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	395 /* state notification */
4538 9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	396 enum master_login_state state = req.tag;
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	397
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	398 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	399 /* initialization notify */
4651 2fe8f6a0bc5b If login process dies before initialization, stall creation of them instead Timo Sirainen <tss@iki.fi> parents: 4649 diff changeset	400 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	401 } else {
4538 9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	402 /* change "listening for new connections" status */
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	403 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	404 }
613 1906116a62ce Finally support for handling each login connection in it's own process. Timo Sirainen <tss@iki.fi> parents: 596 diff changeset	405 return;
1906116a62ce Finally support for handling each login connection in it's own process. Timo Sirainen <tss@iki.fi> parents: 596 diff changeset	406 }
1906116a62ce Finally support for handling each login connection in it's own process. Timo Sirainen <tss@iki.fi> parents: 596 diff changeset	407
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	408 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	409 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	410 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	411 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	412 }
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	413
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	414 fd_close_on_exec(client_fd, TRUE);
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	415
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	416 /* ask the cookie from the auth process */
903 fd8888f6f037 Naming style changes, finally got tired of most of the typedefs. Also the Timo Sirainen <tss@iki.fi> parents: 876 diff changeset	417 authreq = i_new(struct login_auth_request, 1);
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	418 p->refcount++;
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	419 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	420 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	421 authreq->login_tag = req.tag;
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	422 authreq->fd = client_fd;
2097 4e77cb0aff21 Added %l, %r and %P variables and mail_log_prefix setting. Timo Sirainen <tss@iki.fi> parents: 2046 diff changeset	423 authreq->local_ip = req.local_ip;
4e77cb0aff21 Added %l, %r and %P variables and mail_log_prefix setting. Timo Sirainen <tss@iki.fi> parents: 2046 diff changeset	424 authreq->remote_ip = req.remote_ip;
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	425
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	426 auth_process = auth_process_find(req.auth_pid);
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	427 if (auth_process == NULL) {
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	428 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	429 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	430 auth_master_callback(NULL, NULL, authreq);
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	431 } 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	432 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	433 req.auth_id, authreq);
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 }
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	436
1055 a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3 Timo Sirainen <tss@iki.fi> parents: 1039 diff changeset	437 static struct login_process *
a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3 Timo Sirainen <tss@iki.fi> parents: 1039 diff changeset	438 login_process_new(struct login_group *group, pid_t pid, int fd)
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	439 {
903 fd8888f6f037 Naming style changes, finally got tired of most of the typedefs. Also the Timo Sirainen <tss@iki.fi> parents: 876 diff changeset	440 struct login_process *p;
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	441
1273 2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	442 i_assert(pid != 0);
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	443
903 fd8888f6f037 Naming style changes, finally got tired of most of the typedefs. Also the Timo Sirainen <tss@iki.fi> parents: 876 diff changeset	444 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	445 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	446 p->group = group;
4670 5372b92be174 Reference counter fixes Timo Sirainen <tss@iki.fi> parents: 4668 diff changeset	447 p->refcount = 2; /* once for fd close, another for process exit */
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	448 p->pid = pid;
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	449 p->fd = fd;
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	450 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	451 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	452 FALSE);
5843 f655c4d4a419 Moved child process handling to child-process.[ch]. The hash table now uses Timo Sirainen <tss@iki.fi> parents: 5632 diff changeset	453 child_process_add(pid, &p->process);
1273 2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	454
4538 9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	455 p->state = LOGIN_STATE_LISTENING;
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	456
1275 af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	457 if (p->group != NULL) {
4631 f5d53a684856 SIGHUP caused memory corruption Timo Sirainen <tss@iki.fi> parents: 4630 diff changeset	458 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	459 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	460 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	461 }
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	462 return p;
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	463 }
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	464
4538 9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	465 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	466 {
4538 9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	467 if (p->group != NULL)
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	468 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	469
4538 9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	470 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	471 }
1906116a62ce Finally support for handling each login connection in it's own process. Timo Sirainen <tss@iki.fi> parents: 596 diff changeset	472
903 fd8888f6f037 Naming style changes, finally got tired of most of the typedefs. Also the Timo Sirainen <tss@iki.fi> parents: 876 diff changeset	473 static void login_process_destroy(struct login_process *p)
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	474 {
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	475 if (p->destroyed)
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	476 return;
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	477 p->destroyed = TRUE;
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	478
4651 2fe8f6a0bc5b If login process dies before initialization, stall creation of them instead Timo Sirainen <tss@iki.fi> parents: 4649 diff changeset	479 if (!p->initialized)
2fe8f6a0bc5b If login process dies before initialization, stall creation of them instead Timo Sirainen <tss@iki.fi> parents: 4649 diff changeset	480 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	481
764 f57c52738f90 Renamed IBuffer and OBuffer to IStream and OStream which describes their Timo Sirainen <tss@iki.fi> parents: 747 diff changeset	482 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	483 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	484 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	485 i_error("close(login) failed: %m");
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	486
4538 9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	487 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	488
4538 9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	489 if (p->inetd_child)
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	490 login_process_exited(p);
4670 5372b92be174 Reference counter fixes Timo Sirainen <tss@iki.fi> parents: 4668 diff changeset	491 login_process_unref(p);
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	492 }
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	493
903 fd8888f6f037 Naming style changes, finally got tired of most of the typedefs. Also the Timo Sirainen <tss@iki.fi> parents: 876 diff changeset	494 static void login_process_unref(struct login_process *p)
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	495 {
4670 5372b92be174 Reference counter fixes Timo Sirainen <tss@iki.fi> parents: 4668 diff changeset	496 i_assert(p->refcount > 0);
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	497 if (--p->refcount > 0)
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	498 return;
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	499
4631 f5d53a684856 SIGHUP caused memory corruption Timo Sirainen <tss@iki.fi> parents: 4630 diff changeset	500 if (p->group != NULL)
f5d53a684856 SIGHUP caused memory corruption Timo Sirainen <tss@iki.fi> parents: 4630 diff changeset	501 login_group_unref(p->group);
f5d53a684856 SIGHUP caused memory corruption Timo Sirainen <tss@iki.fi> parents: 4630 diff changeset	502
3879 928229f8b3e6 deinit, unref, destroy, close, free, etc. functions now take a pointer to Timo Sirainen <tss@iki.fi> parents: 3863 diff changeset	503 o_stream_unref(&p->output);
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	504 i_free(p);
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	505 }
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	506
1273 2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	507 static void login_process_init_env(struct login_group *group, pid_t pid)
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	508 {
1610 6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	509 struct settings *set = group->set;
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	510
2000 c7c19f5071c3 Write all logging through master process. Fixes problems with log rotation, Timo Sirainen <tss@iki.fi> parents: 1997 diff changeset	511 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	512
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	513 /* setup access environment - needs to be done after
3692 162ad2307710 Comment update Timo Sirainen <tss@iki.fi> parents: 3691 diff changeset	514 clean_child_process() since it clears environment. Don't set user
162ad2307710 Comment update Timo Sirainen <tss@iki.fi> parents: 3691 diff changeset	515 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	516 processes. */
e167b71e37e3 Don't call initgroups() at the start of login processes. Timo Sirainen <tss@iki.fi> parents: 3607 diff changeset	517 restrict_access_set_env(NULL, set->login_uid,
1724 b3526668de78 Make sure auth process and login process don't share uids. Timo Sirainen <tss@iki.fi> parents: 1610 diff changeset	518 set->server->login_gid,
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	519 set->login_chroot ? set->login_dir : NULL,
2141 8690d2000e33 Added mail_extra_groups setting. Timo Sirainen <tss@iki.fi> parents: 2097 diff changeset	520 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	521
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	522 env_put("DOVECOT_MASTER=1");
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	523
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	524 if (!set->ssl_disable) {
4388 af61031c746f Settings parser nowadays returns "" instead of NULL when it reads an empty Timo Sirainen <tss@iki.fi> parents: 4353 diff changeset	525 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	526
4388 af61031c746f Settings parser nowadays returns "" instead of NULL when it reads an empty Timo Sirainen <tss@iki.fi> parents: 4353 diff changeset	527 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	528 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	529
4388 af61031c746f Settings parser nowadays returns "" instead of NULL when it reads an empty Timo Sirainen <tss@iki.fi> parents: 4353 diff changeset	530 if (*set->ssl_ca_file != '\0') {
1907 190f1d315ce6 Added setting ssl_ca_file, patch by Zach Bagnall Timo Sirainen <tss@iki.fi> parents: 1897 diff changeset	531 env_put(t_strconcat("SSL_CA_FILE=",
190f1d315ce6 Added setting ssl_ca_file, patch by Zach Bagnall Timo Sirainen <tss@iki.fi> parents: 1897 diff changeset	532 set->ssl_ca_file, NULL));
190f1d315ce6 Added setting ssl_ca_file, patch by Zach Bagnall Timo Sirainen <tss@iki.fi> parents: 1897 diff changeset	533 }
1273 2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	534 env_put(t_strconcat("SSL_CERT_FILE=",
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	535 set->ssl_cert_file, NULL));
1610 6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	536 env_put(t_strconcat("SSL_KEY_FILE=",
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	537 set->ssl_key_file, NULL));
3889 c7462001227b Added support for password protected SSL private keys. The password can be Timo Sirainen <tss@iki.fi> parents: 3879 diff changeset	538 env_put(t_strconcat("SSL_KEY_PASSWORD=",
c7462001227b Added support for password protected SSL private keys. The password can be Timo Sirainen <tss@iki.fi> parents: 3879 diff changeset	539 ssl_key_password, NULL));
3901 0ae5f5b468b7 Put ssl-parameters file into login directory so it still can be accessed Timo Sirainen <tss@iki.fi> parents: 3889 diff changeset	540 env_put("SSL_PARAM_FILE="SSL_PARAMETERS_FILENAME);
4388 af61031c746f Settings parser nowadays returns "" instead of NULL when it reads an empty Timo Sirainen <tss@iki.fi> parents: 4353 diff changeset	541 if (*set->ssl_cipher_list != '\0') {
1996 d8f06a0c818e Added ssl_cipher_list setting. Timo Sirainen <tss@iki.fi> parents: 1907 diff changeset	542 env_put(t_strconcat("SSL_CIPHER_LIST=",
d8f06a0c818e Added ssl_cipher_list setting. Timo Sirainen <tss@iki.fi> parents: 1907 diff changeset	543 set->ssl_cipher_list, NULL));
d8f06a0c818e Added ssl_cipher_list setting. Timo Sirainen <tss@iki.fi> parents: 1907 diff changeset	544 }
6364 7ad61f00ee55 Added ssl_cert_username_field setting. Timo Sirainen <tss@iki.fi> parents: 6313 diff changeset	545 env_put(t_strconcat("SSL_CERT_USERNAME_FIELD=",
7ad61f00ee55 Added ssl_cert_username_field setting. Timo Sirainen <tss@iki.fi> parents: 6313 diff changeset	546 set->ssl_cert_username_field, NULL));
1997 1d0985f6bdd9 Added ssl_verify_client_cert setting. Timo Sirainen <tss@iki.fi> parents: 1996 diff changeset	547 if (set->ssl_verify_client_cert)
1d0985f6bdd9 Added ssl_verify_client_cert setting. Timo Sirainen <tss@iki.fi> parents: 1996 diff changeset	548 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	549 }
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	550
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	551 if (set->disable_plaintext_auth)
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	552 env_put("DISABLE_PLAINTEXT_AUTH=1");
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	553 if (set->verbose_proctitle)
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	554 env_put("VERBOSE_PROCTITLE=1");
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	555 if (set->verbose_ssl)
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	556 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	557 if (set->server->auths->verbose)
46f879c46b45 auth_verbose now affects imap/pop3 login processes too. Every authentication Timo Sirainen <tss@iki.fi> parents: 2674 diff changeset	558 env_put("VERBOSE_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	559
1610 6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	560 if (set->login_process_per_connection) {
1273 2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	561 env_put("PROCESS_PER_CONNECTION=1");
4668 654aa0e9075b Cleanup Timo Sirainen <tss@iki.fi> parents: 4665 diff changeset	562 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	563 } else {
4538 9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	564 env_put(t_strdup_printf("MAX_CONNECTIONS=%u",
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	565 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	566 }
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	567
2674 857f5f7b512b Added login_greeting and login_greeting_capability settings. Timo Sirainen <tss@iki.fi> parents: 2329 diff changeset	568 env_put(t_strconcat("PROCESS_UID=", dec2str(pid), NULL));
857f5f7b512b Added login_greeting and login_greeting_capability settings. Timo Sirainen <tss@iki.fi> parents: 2329 diff changeset	569 env_put(t_strconcat("GREETING=", set->login_greeting, NULL));
3384 3b75956d20c4 Added configurable logging for login process. Added configurable pop3 logout Timo Sirainen <tss@iki.fi> parents: 3083 diff changeset	570 env_put(t_strconcat("LOG_FORMAT_ELEMENTS=",
3b75956d20c4 Added configurable logging for login process. Added configurable pop3 logout Timo Sirainen <tss@iki.fi> parents: 3083 diff changeset	571 set->login_log_format_elements, NULL));
3b75956d20c4 Added configurable logging for login process. Added configurable pop3 logout Timo Sirainen <tss@iki.fi> parents: 3083 diff changeset	572 env_put(t_strconcat("LOG_FORMAT=", set->login_log_format, NULL));
2674 857f5f7b512b Added login_greeting and login_greeting_capability settings. Timo Sirainen <tss@iki.fi> parents: 2329 diff changeset	573 if (set->login_greeting_capability)
857f5f7b512b Added login_greeting and login_greeting_capability settings. Timo Sirainen <tss@iki.fi> parents: 2329 diff changeset	574 env_put("GREETING_CAPABILITY=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	575
5843 f655c4d4a419 Moved child process handling to child-process.[ch]. The hash table now uses Timo Sirainen <tss@iki.fi> parents: 5632 diff changeset	576 if (group->mail_process_type == PROCESS_TYPE_IMAP) {
4197 c3ded5b815aa If we have plugins set and imap_capability unset, figure out the IMAP Timo Sirainen <tss@iki.fi> parents: 4148 diff changeset	577 env_put(t_strconcat("CAPABILITY_STRING=",
c3ded5b815aa If we have plugins set and imap_capability unset, figure out the IMAP Timo Sirainen <tss@iki.fi> parents: 4148 diff changeset	578 *set->imap_capability != '\0' ?
c3ded5b815aa If we have plugins set and imap_capability unset, figure out the IMAP Timo Sirainen <tss@iki.fi> parents: 4148 diff changeset	579 set->imap_capability :
c3ded5b815aa If we have plugins set and imap_capability unset, figure out the IMAP Timo Sirainen <tss@iki.fi> parents: 4148 diff changeset	580 set->imap_generated_capability, NULL));
c3ded5b815aa If we have plugins set and imap_capability unset, figure out the IMAP Timo Sirainen <tss@iki.fi> parents: 4148 diff changeset	581 }
1273 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
1055 a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3 Timo Sirainen <tss@iki.fi> parents: 1039 diff changeset	584 static pid_t create_login_process(struct login_group *group)
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	585 {
2046 6ae973f60f43 logging cleanups. Timo Sirainen <tss@iki.fi> parents: 2000 diff changeset	586 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	587 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	588 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	589 const char *prefix;
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	590 pid_t pid;
5887 3f2eb1b9c555 Support listening multiple sockets. SIGHUP also doesn't anymore recreate Timo Sirainen <tss@iki.fi> parents: 5846 diff changeset	591 ARRAY_TYPE(dup2) dups;
6396 1b21dfee7bd7 Calculate needed fd count better. Make sure we have one unused fd available Timo Sirainen <tss@iki.fi> parents: 6364 diff changeset	592 unsigned int i, fd_limit, listen_count = 0, ssl_listen_count = 0;
1b21dfee7bd7 Calculate needed fd count better. Make sure we have one unused fd available Timo Sirainen <tss@iki.fi> parents: 6364 diff changeset	593 int fd[2], log_fd, cur_fd, tmp_fd;
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	594
1610 6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	595 if (group->set->login_uid == 0)
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	596 i_fatal("Login process must not run as root");
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	597
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	598 /* 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	599 if (socketpair(AF_UNIX, SOCK_STREAM, 0, fd) < 0) {
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	600 i_error("socketpair() failed: %m");
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	601 return -1;
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	602 }
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	603
3083 a20882c4f092 Disable log throttlong for auth process, and for login processes if Timo Sirainen <tss@iki.fi> parents: 2886 diff changeset	604 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	605 group->set->login_process_per_connection ? 10 : 0;
5632 2ed5abe3aaef Moved SSL listen fd to 4. stdout is now redirected to log. Timo Sirainen <tss@iki.fi> parents: 5358 diff changeset	606 log_fd = log_create_pipe(&log, /max_log_lines_per_sec/0);
2000 c7c19f5071c3 Write all logging through master process. Fixes problems with log rotation, Timo Sirainen <tss@iki.fi> parents: 1997 diff changeset	607 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	608 pid = -1;
c7c19f5071c3 Write all logging through master process. Fixes problems with log rotation, Timo Sirainen <tss@iki.fi> parents: 1997 diff changeset	609 else {
c7c19f5071c3 Write all logging through master process. Fixes problems with log rotation, Timo Sirainen <tss@iki.fi> parents: 1997 diff changeset	610 pid = fork();
c7c19f5071c3 Write all logging through master process. Fixes problems with log rotation, Timo Sirainen <tss@iki.fi> parents: 1997 diff changeset	611 if (pid < 0)
c7c19f5071c3 Write all logging through master process. Fixes problems with log rotation, Timo Sirainen <tss@iki.fi> parents: 1997 diff changeset	612 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	613 }
c7c19f5071c3 Write all logging through master process. Fixes problems with log rotation, Timo Sirainen <tss@iki.fi> parents: 1997 diff changeset	614
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	615 if (pid < 0) {
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	616 (void)close(fd[0]);
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	617 (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	618 (void)close(log_fd);
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	619 return -1;
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	620 }
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	621
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	622 if (pid != 0) {
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	623 /* master */
2046 6ae973f60f43 logging cleanups. Timo Sirainen <tss@iki.fi> parents: 2000 diff changeset	624 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	625 process_names[group->mail_process_type]);
2046 6ae973f60f43 logging cleanups. Timo Sirainen <tss@iki.fi> parents: 2000 diff changeset	626 log_set_prefix(log, prefix);
6ae973f60f43 logging cleanups. Timo Sirainen <tss@iki.fi> parents: 2000 diff changeset	627
1273 2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	628 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	629 fd_close_on_exec(fd[0], TRUE);
1273 2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	630 (void)login_process_new(group, pid, fd[0]);
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	631 (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	632 (void)close(log_fd);
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	633 return pid;
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	634 }
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	635
2046 6ae973f60f43 logging cleanups. Timo Sirainen <tss@iki.fi> parents: 2000 diff changeset	636 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	637 process_names[group->mail_process_type]);
2046 6ae973f60f43 logging cleanups. Timo Sirainen <tss@iki.fi> parents: 2000 diff changeset	638 log_set_prefix(log, prefix);
6ae973f60f43 logging cleanups. Timo Sirainen <tss@iki.fi> parents: 2000 diff changeset	639
5887 3f2eb1b9c555 Support listening multiple sockets. SIGHUP also doesn't anymore recreate Timo Sirainen <tss@iki.fi> parents: 5846 diff changeset	640 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	641 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	642 /* 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	643 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	644 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	645 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	646 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	647
3f2eb1b9c555 Support listening multiple sockets. SIGHUP also doesn't anymore recreate Timo Sirainen <tss@iki.fi> parents: 5846 diff changeset	648 /* redirect listener fds */
3f2eb1b9c555 Support listening multiple sockets. SIGHUP also doesn't anymore recreate Timo Sirainen <tss@iki.fi> parents: 5846 diff changeset	649 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	650 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	651 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	652 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	653 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	654 }
3f2eb1b9c555 Support listening multiple sockets. SIGHUP also doesn't anymore recreate Timo Sirainen <tss@iki.fi> parents: 5846 diff changeset	655
3f2eb1b9c555 Support listening multiple sockets. SIGHUP also doesn't anymore recreate Timo Sirainen <tss@iki.fi> parents: 5846 diff changeset	656 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	657 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	658 &ssl_listen_count);
3f2eb1b9c555 Support listening multiple sockets. SIGHUP also doesn't anymore recreate Timo Sirainen <tss@iki.fi> parents: 5846 diff changeset	659 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	660 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	661 }
3f2eb1b9c555 Support listening multiple sockets. SIGHUP also doesn't anymore recreate Timo Sirainen <tss@iki.fi> parents: 5846 diff changeset	662
3f2eb1b9c555 Support listening multiple sockets. SIGHUP also doesn't anymore recreate Timo Sirainen <tss@iki.fi> parents: 5846 diff changeset	663 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	664 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	665
3f2eb1b9c555 Support listening multiple sockets. SIGHUP also doesn't anymore recreate Timo Sirainen <tss@iki.fi> parents: 5846 diff changeset	666 /* don't close any of these */
6396 1b21dfee7bd7 Calculate needed fd count better. Make sure we have one unused fd available Timo Sirainen <tss@iki.fi> parents: 6364 diff changeset	667 for (tmp_fd = 0; tmp_fd <= cur_fd; tmp_fd++)
1b21dfee7bd7 Calculate needed fd count better. Make sure we have one unused fd available Timo Sirainen <tss@iki.fi> parents: 6364 diff changeset	668 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	669
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	670 (void)close(fd[0]);
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	671 (void)close(fd[1]);
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	672
1273 2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	673 login_process_init_env(group, getpid());
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	674
5887 3f2eb1b9c555 Support listening multiple sockets. SIGHUP also doesn't anymore recreate Timo Sirainen <tss@iki.fi> parents: 5846 diff changeset	675 env_put(t_strdup_printf("LISTEN_FDS=%u", listen_count));
3f2eb1b9c555 Support listening multiple sockets. SIGHUP also doesn't anymore recreate Timo Sirainen <tss@iki.fi> parents: 5846 diff changeset	676 env_put(t_strdup_printf("SSL_LISTEN_FDS=%u", ssl_listen_count));
3f2eb1b9c555 Support listening multiple sockets. SIGHUP also doesn't anymore recreate Timo Sirainen <tss@iki.fi> parents: 5846 diff changeset	677
1610 6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	678 if (!group->set->login_chroot) {
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	679 /* no chrooting, but still change to the directory */
1610 6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	680 if (chdir(group->set->login_dir) < 0) {
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	681 i_fatal("chdir(%s) failed: %m",
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	682 group->set->login_dir);
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	683 }
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	684 }
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	685
1610 6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	686 restrict_process_size(group->set->login_process_size, (unsigned int)-1);
6396 1b21dfee7bd7 Calculate needed fd count better. Make sure we have one unused fd available Timo Sirainen <tss@iki.fi> parents: 6364 diff changeset	687 fd_limit = 16 + listen_count + ssl_listen_count +
1b21dfee7bd7 Calculate needed fd count better. Make sure we have one unused fd available Timo Sirainen <tss@iki.fi> parents: 6364 diff changeset	688 2 * (group->set->login_process_per_connection ? 1 :
1b21dfee7bd7 Calculate needed fd count better. Make sure we have one unused fd available Timo Sirainen <tss@iki.fi> parents: 6364 diff changeset	689 group->set->login_max_connections);
1b21dfee7bd7 Calculate needed fd count better. Make sure we have one unused fd available Timo Sirainen <tss@iki.fi> parents: 6364 diff changeset	690 restrict_fd_limit(fd_limit);
722 0438621d25ff Added virtual memory size limits to processes. Default values are pretty Timo Sirainen <tss@iki.fi> parents: 699 diff changeset	691
801 86224ff16bf6 Drop root privileges earlier. Close syslog more later in imap-master when Timo Sirainen <tss@iki.fi> parents: 791 diff changeset	692 /* make sure we don't leak syslog fd, but do it last so that
86224ff16bf6 Drop root privileges earlier. Close syslog more later in imap-master when Timo Sirainen <tss@iki.fi> parents: 791 diff changeset	693 any errors above will be logged */
86224ff16bf6 Drop root privileges earlier. Close syslog more later in imap-master when Timo Sirainen <tss@iki.fi> parents: 791 diff changeset	694 closelog();
86224ff16bf6 Drop root privileges earlier. Close syslog more later in imap-master when Timo Sirainen <tss@iki.fi> parents: 791 diff changeset	695
6396 1b21dfee7bd7 Calculate needed fd count better. Make sure we have one unused fd available Timo Sirainen <tss@iki.fi> parents: 6364 diff changeset	696 /* execv() needs at least one file descriptor. we might have all fds
1b21dfee7bd7 Calculate needed fd count better. Make sure we have one unused fd available Timo Sirainen <tss@iki.fi> parents: 6364 diff changeset	697 up to fd_limit used already, so close one we don't care about.
1b21dfee7bd7 Calculate needed fd count better. Make sure we have one unused fd available Timo Sirainen <tss@iki.fi> parents: 6364 diff changeset	698 either it succeeds or fails with EBADF, doesn't matter. */
1b21dfee7bd7 Calculate needed fd count better. Make sure we have one unused fd available Timo Sirainen <tss@iki.fi> parents: 6364 diff changeset	699 i_assert(fd_limit > (unsigned int)cur_fd+1);
1b21dfee7bd7 Calculate needed fd count better. Make sure we have one unused fd available Timo Sirainen <tss@iki.fi> parents: 6364 diff changeset	700 (void)close(cur_fd+1);
1b21dfee7bd7 Calculate needed fd count better. Make sure we have one unused fd available Timo Sirainen <tss@iki.fi> parents: 6364 diff changeset	701
2886 634cf6aa34d1 Allow running all executables with parameters. Timo Sirainen <tss@iki.fi> parents: 2779 diff changeset	702 client_process_exec(group->set->login_executable, "");
1441 a83ce8395316 If exec() fails, show the full path rather than argv[0] Timo Sirainen <tss@iki.fi> parents: 1398 diff changeset	703 i_fatal_status(FATAL_EXEC, "execv(%s) failed: %m",
1610 6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	704 group->set->login_executable);
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	705 return -1;
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	706 }
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	707
5843 f655c4d4a419 Moved child process handling to child-process.[ch]. The hash table now uses Timo Sirainen <tss@iki.fi> parents: 5632 diff changeset	708 static void
5846 21e529b8a701 Initial implementation for mail_max_user_connections setting. Timo Sirainen <tss@iki.fi> parents: 5843 diff changeset	709 login_process_destroyed(struct child_process *process,
21e529b8a701 Initial implementation for mail_max_user_connections setting. Timo Sirainen <tss@iki.fi> parents: 5843 diff changeset	710 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	711 {
5843 f655c4d4a419 Moved child process handling to child-process.[ch]. The hash table now uses Timo Sirainen <tss@iki.fi> parents: 5632 diff changeset	712 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	713
4538 9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	714 i_assert(!p->inetd_child);
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	715
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	716 if (abnormal_exit) {
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	717 /* 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	718 the time */
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	719 if (p->group != NULL)
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	720 p->group->wanted_processes_count = 0;
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	721 }
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	722
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	723 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	724 }
0d852af6842e Master process generates DH/RSA parameters now and stores them into file Timo Sirainen <tss@iki.fi> parents: 614 diff changeset	725
4670 5372b92be174 Reference counter fixes Timo Sirainen <tss@iki.fi> parents: 4668 diff changeset	726 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	727 {
1897 1e6ed8045f2b Changed hash_foreach() to iterator. Timo Sirainen <tss@iki.fi> parents: 1724 diff changeset	728 struct hash_iterate_context *iter;
1e6ed8045f2b Changed hash_foreach() to iterator. Timo Sirainen <tss@iki.fi> parents: 1724 diff changeset	729 void key, value;
1e6ed8045f2b Changed hash_foreach() to iterator. Timo Sirainen <tss@iki.fi> parents: 1724 diff changeset	730
1e6ed8045f2b Changed hash_foreach() to iterator. Timo Sirainen <tss@iki.fi> parents: 1724 diff changeset	731 iter = hash_iterate_init(processes);
5843 f655c4d4a419 Moved child process handling to child-process.[ch]. The hash table now uses Timo Sirainen <tss@iki.fi> parents: 5632 diff changeset	732 while (hash_iterate(iter, &key, &value)) {
f655c4d4a419 Moved child process handling to child-process.[ch]. The hash table now uses Timo Sirainen <tss@iki.fi> parents: 5632 diff changeset	733 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	734
f655c4d4a419 Moved child process handling to child-process.[ch]. The hash table now uses Timo Sirainen <tss@iki.fi> parents: 5632 diff changeset	735 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	736 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	737 }
1897 1e6ed8045f2b Changed hash_foreach() to iterator. Timo Sirainen <tss@iki.fi> parents: 1724 diff changeset	738 hash_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	739
1055 a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3 Timo Sirainen <tss@iki.fi> parents: 1039 diff changeset	740 while (login_groups != NULL) {
a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3 Timo Sirainen <tss@iki.fi> parents: 1039 diff changeset	741 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	742
a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3 Timo Sirainen <tss@iki.fi> parents: 1039 diff changeset	743 login_groups = group->next;
4631 f5d53a684856 SIGHUP caused memory corruption Timo Sirainen <tss@iki.fi> parents: 4630 diff changeset	744 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	745 }
a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3 Timo Sirainen <tss@iki.fi> parents: 1039 diff changeset	746 }
a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3 Timo Sirainen <tss@iki.fi> parents: 1039 diff changeset	747
4538 9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	748 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	749 {
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	750 struct hash_iterate_context *iter;
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	751 struct master_login_reply reply;
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	752 void key, value;
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	753
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	754 memset(&reply, 0, sizeof(reply));
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	755
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	756 iter = hash_iterate_init(processes);
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	757 while (hash_iterate(iter, &key, &value)) {
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	758 struct login_process *p = value;
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	759
5843 f655c4d4a419 Moved child process handling to child-process.[ch]. The hash table now uses Timo Sirainen <tss@iki.fi> parents: 5632 diff changeset	760 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	761 (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	762 }
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	763 hash_iterate_deinit(iter);
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	764 }
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	765
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	766 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	767 {
4538 9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	768 if (group->set->login_process_per_connection &&
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	769 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	770 group->listening_processes == 0) {
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	771 /* destroy the oldest listening process. non-listening
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	772 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	773 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	774 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	775 group->oldest_prelogin_process->initialized)
4538 9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	776 login_process_destroy(group->oldest_prelogin_process);
1055 a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3 Timo Sirainen <tss@iki.fi> parents: 1039 diff changeset	777 }
a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3 Timo Sirainen <tss@iki.fi> parents: 1039 diff changeset	778
a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3 Timo Sirainen <tss@iki.fi> parents: 1039 diff changeset	779 /* 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	780 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	781 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	782 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	783 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	784 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	785 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	786 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	787 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	788 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	789 } 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	790 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	791 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	792 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	793 group->wanted_processes_count--;
a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3 Timo Sirainen <tss@iki.fi> parents: 1039 diff changeset	794
4538 9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	795 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	796 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	797 if (create_login_process(group) < 0)
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	798 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	799 }
1055 a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3 Timo Sirainen <tss@iki.fi> parents: 1039 diff changeset	800
4538 9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	801 if (group->listening_processes == 0 &&
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	802 !group->set->login_process_per_connection) {
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	803 /* 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	804 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	805 oldest clients when accepting the next connection */
9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	806 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	807 }
f60d73c96618 If master process runs out of file descriptors, try to handle it more nicely Timo Sirainen <tss@iki.fi> parents: 3901 diff changeset	808 return 0;
635 90a65c017bf0 SIGHUP reloads now settings. Logged in clients are left untouched, but Timo Sirainen <tss@iki.fi> parents: 615 diff changeset	809 }
90a65c017bf0 SIGHUP reloads now settings. Logged in clients are left untouched, but Timo Sirainen <tss@iki.fi> parents: 615 diff changeset	810
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	811 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	812 {
4665 e4d7d01b0784 Deinit crashfix. Timo Sirainen <tss@iki.fi> parents: 4661 diff changeset	813 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	814 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	815
f60d73c96618 If master process runs out of file descriptors, try to handle it more nicely Timo Sirainen <tss@iki.fi> parents: 3901 diff changeset	816 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	817 "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	818 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	819
f60d73c96618 If master process runs out of file descriptors, try to handle it more nicely Timo Sirainen <tss@iki.fi> parents: 3901 diff changeset	820 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	821 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	822 }
f60d73c96618 If master process runs out of file descriptors, try to handle it more nicely Timo Sirainen <tss@iki.fi> parents: 3901 diff changeset	823
903 fd8888f6f037 Naming style changes, finally got tired of most of the typedefs. Also the Timo Sirainen <tss@iki.fi> parents: 876 diff changeset	824 static void
1036 f782b3319553 Removed useless parameters from io_callback_t and timeout_callback_t. Timo Sirainen <tss@iki.fi> parents: 1035 diff changeset	825 login_processes_start_missing(void *context __attr_unused__)
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	826 {
1055 a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3 Timo Sirainen <tss@iki.fi> parents: 1039 diff changeset	827 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	828
5136 86625faa49b5 Start auth processes immediately at startup, not after one second delay. Timo Sirainen <tss@iki.fi> parents: 5089 diff changeset	829 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	830 /* 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	831 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	832 return;
86625faa49b5 Start auth processes immediately at startup, not after one second delay. Timo Sirainen <tss@iki.fi> parents: 5089 diff changeset	833 }
86625faa49b5 Start auth processes immediately at startup, not after one second delay. Timo Sirainen <tss@iki.fi> parents: 5089 diff changeset	834
1610 6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat Timo Sirainen <tss@iki.fi> parents: 1506 diff changeset	835 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	836 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	837
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	838 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	839 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	840 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	841 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	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 }
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	844 }
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	845
1273 2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	846 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	847 {
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	848 extern char **environ;
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	849 char **env;
3607 a2dd3d895e00 Several fixes to make running from inetd working again Timo Sirainen <tss@iki.fi> parents: 3384 diff changeset	850 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	851 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	852
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	853 /* this will clear our environment. luckily we don't need it. */
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	854 login_process_init_env(p->group, p->pid);
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	855
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	856 for (env = environ; *env != NULL; env++) {
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	857 len = strlen(*env);
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	858
3607 a2dd3d895e00 Several fixes to make running from inetd working again Timo Sirainen <tss@iki.fi> parents: 3384 diff changeset	859 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	860 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	861 ret = -1;
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	862 break;
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	863 }
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	864 }
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	865
3607 a2dd3d895e00 Several fixes to make running from inetd working again Timo Sirainen <tss@iki.fi> parents: 3384 diff changeset	866 if (!p->group->set->login_chroot) {
a2dd3d895e00 Several fixes to make running from inetd working again Timo Sirainen <tss@iki.fi> parents: 3384 diff changeset	867 /* if we're not chrooting, we need to tell login process
a2dd3d895e00 Several fixes to make running from inetd working again Timo Sirainen <tss@iki.fi> parents: 3384 diff changeset	868 where its base directory is */
a2dd3d895e00 Several fixes to make running from inetd working again Timo Sirainen <tss@iki.fi> parents: 3384 diff changeset	869 const char *str = t_strdup_printf("LOGIN_DIR=%s\n",
a2dd3d895e00 Several fixes to make running from inetd working again Timo Sirainen <tss@iki.fi> parents: 3384 diff changeset	870 p->group->set->login_dir);
a2dd3d895e00 Several fixes to make running from inetd working again Timo Sirainen <tss@iki.fi> parents: 3384 diff changeset	871 len = strlen(str);
a2dd3d895e00 Several fixes to make running from inetd working again Timo Sirainen <tss@iki.fi> parents: 3384 diff changeset	872 if (o_stream_send(p->output, str, len) != len)
a2dd3d895e00 Several fixes to make running from inetd working again Timo Sirainen <tss@iki.fi> parents: 3384 diff changeset	873 ret = -1;
a2dd3d895e00 Several fixes to make running from inetd working again Timo Sirainen <tss@iki.fi> parents: 3384 diff changeset	874 }
a2dd3d895e00 Several fixes to make running from inetd working again Timo Sirainen <tss@iki.fi> parents: 3384 diff changeset	875
1273 2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	876 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	877 ret = -1;
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	878
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	879 env_clean();
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	880 return ret;
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	881 }
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	882
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	883 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	884 {
4740 0a1fa29ac87f inetd logins kept crashing dovecot master. Timo Sirainen <tss@iki.fi> parents: 4734 diff changeset	885 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	886 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	887 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	888
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	889 if (login_process_send_env(p) < 0) {
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	890 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	891 return FALSE;
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	892 }
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	893
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	894 return TRUE;
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	895 }
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	896
1273 2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	897 static void inetd_login_accept(void *context __attr_unused__)
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 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	900 int fd;
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	901
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	902 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	903 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	904 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	905 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	906 } else {
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	907 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	908 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	909
1275 af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	910 p = login_process_new(NULL, ++login_pid_counter, fd);
af685269ead0 login: Wait until we're connected to auth process before executing command Timo Sirainen <tss@iki.fi> parents: 1273 diff changeset	911 p->initialized = TRUE;
4538 9d9e72374164 Fixes to login process handling, especially with Timo Sirainen <tss@iki.fi> parents: 4388 diff changeset	912 p->inetd_child = TRUE;
1273 2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	913 }
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	914 }
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	915
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	916 void login_processes_init(void)
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	917 {
1273 2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	918 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	919 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	920 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	921
5843 f655c4d4a419 Moved child process handling to child-process.[ch]. The hash table now uses Timo Sirainen <tss@iki.fi> parents: 5632 diff changeset	922 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	923 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	924
1273 2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	925 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	926 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	927 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	928 } else {
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	929 to = NULL;
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	930 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	931 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	932 }
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	933 }
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	934
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	935 void login_processes_deinit(void)
3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	936 {
1273 2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It Timo Sirainen <tss@iki.fi> parents: 1237 diff changeset	937 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	938 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	939 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	940 io_remove(&io_listen);
0 3b1985cbc908 Initial revision Timo Sirainen <tss@iki.fi> parents: diff changeset	941 }

Mercurial > dovecot > original-hg > dovecot-1.2

annotate src/master/login-process.c @ 6396:1b21dfee7bd7 HEAD