Mercurial > dovecot > original-hg > dovecot-1.2

annotate src/master/login-process.c @ 6142:6c0bfc35af03 HEAD

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Removed memory pool parameter from iostreams. Default pool was almost always used, and the stream usually required destroying anyway so it didn't even make freeing memory easier.
author Timo Sirainen <tss@iki.fi>
date Tue, 24 Jul 2007 06:59:56 +0300
parents 3f2eb1b9c555
children c62f7ee79446
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /* Copyright (C) 2002 Timo Sirainen */
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2
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3 #include "common.h"
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4 #include "array.h"
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5 #include "ioloop.h"
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6 #include "hash.h"
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7 #include "network.h"
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8 #include "ostream.h"
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9 #include "fdpass.h"
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10 #include "fd-close-on-exec.h"
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11 #include "env-util.h"
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12 #include "restrict-access.h"
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13 #include "restrict-process-size.h"
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14 #include "dup2-array.h"
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15 #include "login-process.h"
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16 #include "auth-process.h"
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17 #include "mail-process.h"
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18 #include "master-login-interface.h"
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19 #include "log.h"
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20 #include "ssl-init.h"
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21
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22 #include <unistd.h>
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23 #include <syslog.h>
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24 #include <sys/stat.h>
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25
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26 struct login_process {
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27 struct child_process process;
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28
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29 struct login_group *group;
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30 struct login_process *prev_prelogin, *next_prelogin;
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31 int refcount;
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32
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33 pid_t pid;
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34 int fd;
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35 struct io *io;
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36 struct ostream *output;
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37 enum master_login_state state;
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38
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39 unsigned int initialized:1;
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40 unsigned int destroyed:1;
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41 unsigned int inetd_child:1;
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42 };
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43
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44 struct login_auth_request {
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45 struct login_process *process;
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46 unsigned int tag;
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47
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48 unsigned int login_tag;
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49 int fd;
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50
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51 struct ip_addr local_ip, remote_ip;
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52 };
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53
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54 static unsigned int auth_id_counter, login_pid_counter;
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55 static struct timeout *to;
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56 static struct io *io_listen;
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57 static bool logins_stalled = FALSE;
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58
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59 static struct login_group *login_groups;
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60
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61 static void login_processes_stall(void);
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62 static void login_process_destroy(struct login_process *p);
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63 static void login_process_unref(struct login_process *p);
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64 static bool login_process_init_group(struct login_process *p);
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65 static void login_processes_start_missing(void *context);
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66
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67 static void login_group_create(struct settings *set)
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68 {
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69 struct login_group *group;
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70
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71 group = i_new(struct login_group, 1);
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72 group->refcount = 1;
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73 group->set = set;
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74 group->mail_process_type = set->protocol == MAIL_PROTOCOL_IMAP ?
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75 PROCESS_TYPE_IMAP : PROCESS_TYPE_POP3;
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76
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77 group->next = login_groups;
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78 login_groups = group;
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79 }
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80
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81 static void login_group_unref(struct login_group *group)
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82 {
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83 i_assert(group->refcount > 0);
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84
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85 if (--group->refcount > 0)
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86 return;
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87
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88 i_free(group);
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89 }
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90
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91 void auth_master_callback(const char *user, const char *const *args,
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92 struct login_auth_request *request)
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93 {
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94 struct master_login_reply master_reply;
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95 ssize_t ret;
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96
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97 memset(&master_reply, 0, sizeof(master_reply));
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98 if (user == NULL)
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99 master_reply.status = MASTER_LOGIN_STATUS_INTERNAL_ERROR;
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100 else {
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101 struct login_group *group = request->process->group;
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102
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103 t_push();
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104 master_reply.status =
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105 create_mail_process(group->mail_process_type,
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106 group->set,
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107 request->fd, &request->local_ip,
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108 &request->remote_ip, user, args,
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109 FALSE);
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110 t_pop();
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111 }
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112
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113 /* reply to login */
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114 master_reply.tag = request->login_tag;
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115
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116 ret = o_stream_send(request->process->output, &master_reply,
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117 sizeof(master_reply));
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118 if (ret != sizeof(master_reply)) {
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119 if (ret >= 0) {
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120 i_warning("Login process %s transmit buffer full, "
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121 "killing..", dec2str(request->process->pid));
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122 }
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123 login_process_destroy(request->process);
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124 }
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125
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126 if (close(request->fd) < 0)
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127 i_error("close(mail client) failed: %m");
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128 login_process_unref(request->process);
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129 i_free(request);
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130 }
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131
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132 static void process_remove_from_prelogin_lists(struct login_process *p)
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133 {
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134 if (p->state != LOGIN_STATE_FULL_PRELOGINS)
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135 return;
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136
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137 if (p->prev_prelogin == NULL)
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138 p->group->oldest_prelogin_process = p->next_prelogin;
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139 else
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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
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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
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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.
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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);
4665
e4d7d01b0784 Deinit crashfix.
Timo Sirainen <tss@iki.fi>
parents: 4661
diff changeset
401 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
402 } else {
4538
9d9e72374164 Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents: 4388
diff changeset
403 /* change "listening for new connections" status */
9d9e72374164 Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents: 4388
diff changeset
404 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
405 }
613
1906116a62ce Finally support for handling each login connection in it's own process.
Timo Sirainen <tss@iki.fi>
parents: 596
diff changeset
406 return;
1906116a62ce Finally support for handling each login connection in it's own process.
Timo Sirainen <tss@iki.fi>
parents: 596
diff changeset
407 }
1906116a62ce Finally support for handling each login connection in it's own process.
Timo Sirainen <tss@iki.fi>
parents: 596
diff changeset
408
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
409 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
410 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
411 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
412 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
413 }
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
414
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
415 fd_close_on_exec(client_fd, TRUE);
0
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
416
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
417 /* 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
418 authreq = i_new(struct login_auth_request, 1);
0
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
419 p->refcount++;
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
420 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
421 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
422 authreq->login_tag = req.tag;
0
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
423 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
424 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
425 authreq->remote_ip = req.remote_ip;
0
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
426
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
427 auth_process = auth_process_find(req.auth_pid);
0
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
428 if (auth_process == NULL) {
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
429 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
430 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
431 auth_master_callback(NULL, NULL, authreq);
0
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
432 } 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
433 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
434 req.auth_id, authreq);
0
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
435 }
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
436 }
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
437
1055
a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3
Timo Sirainen <tss@iki.fi>
parents: 1039
diff changeset
438 static struct login_process *
a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3
Timo Sirainen <tss@iki.fi>
parents: 1039
diff changeset
439 login_process_new(struct login_group *group, pid_t pid, int fd)
0
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
440 {
903
fd8888f6f037 Naming style changes, finally got tired of most of the typedefs. Also the
Timo Sirainen <tss@iki.fi>
parents: 876
diff changeset
441 struct login_process *p;
0
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
442
1273
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It
Timo Sirainen <tss@iki.fi>
parents: 1237
diff changeset
443 i_assert(pid != 0);
0
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
444
903
fd8888f6f037 Naming style changes, finally got tired of most of the typedefs. Also the
Timo Sirainen <tss@iki.fi>
parents: 876
diff changeset
445 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
446 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
447 p->group = group;
4670
5372b92be174 Reference counter fixes
Timo Sirainen <tss@iki.fi>
parents: 4668
diff changeset
448 p->refcount = 2; /* once for fd close, another for process exit */
0
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
449 p->pid = pid;
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
450 p->fd = fd;
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
451 p->io = io_add(fd, IO_READ, login_process_input, p);
6142
6c0bfc35af03 Removed memory pool parameter from iostreams. Default pool was almost always
Timo Sirainen <tss@iki.fi>
parents: 5887
diff changeset
452 p->output = o_stream_create_file(fd,
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
453 sizeof(struct master_login_reply)*10,
1499
e850252cdc7e Removed I/O priorities. They were pretty much useless and were just getting
Timo Sirainen <tss@iki.fi>
parents: 1468
diff changeset
454 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
455 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
456
4538
9d9e72374164 Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents: 4388
diff changeset
457 p->state = LOGIN_STATE_LISTENING;
9d9e72374164 Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents: 4388
diff changeset
458
1275
af685269ead0 login: Wait until we're connected to auth process before executing command
Timo Sirainen <tss@iki.fi>
parents: 1273
diff changeset
459 if (p->group != NULL) {
4631
f5d53a684856 SIGHUP caused memory corruption
Timo Sirainen <tss@iki.fi>
parents: 4630
diff changeset
460 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
461 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
462 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
463 }
0
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
464 return p;
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
465 }
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
466
4538
9d9e72374164 Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents: 4388
diff changeset
467 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
468 {
4538
9d9e72374164 Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents: 4388
diff changeset
469 if (p->group != NULL)
9d9e72374164 Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents: 4388
diff changeset
470 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
471
4538
9d9e72374164 Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents: 4388
diff changeset
472 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
473 }
1906116a62ce Finally support for handling each login connection in it's own process.
Timo Sirainen <tss@iki.fi>
parents: 596
diff changeset
474
903
fd8888f6f037 Naming style changes, finally got tired of most of the typedefs. Also the
Timo Sirainen <tss@iki.fi>
parents: 876
diff changeset
475 static void login_process_destroy(struct login_process *p)
0
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
476 {
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
477 if (p->destroyed)
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
478 return;
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
479 p->destroyed = TRUE;
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
480
4651
2fe8f6a0bc5b If login process dies before initialization, stall creation of them instead
Timo Sirainen <tss@iki.fi>
parents: 4649
diff changeset
481 if (!p->initialized)
2fe8f6a0bc5b If login process dies before initialization, stall creation of them instead
Timo Sirainen <tss@iki.fi>
parents: 4649
diff changeset
482 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
483
764
f57c52738f90 Renamed IBuffer and OBuffer to IStream and OStream which describes their
Timo Sirainen <tss@iki.fi>
parents: 747
diff changeset
484 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
485 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
486 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
487 i_error("close(login) failed: %m");
0
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
488
4538
9d9e72374164 Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents: 4388
diff changeset
489 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
490
4538
9d9e72374164 Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents: 4388
diff changeset
491 if (p->inetd_child)
9d9e72374164 Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents: 4388
diff changeset
492 login_process_exited(p);
4670
5372b92be174 Reference counter fixes
Timo Sirainen <tss@iki.fi>
parents: 4668
diff changeset
493 login_process_unref(p);
0
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
494 }
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
495
903
fd8888f6f037 Naming style changes, finally got tired of most of the typedefs. Also the
Timo Sirainen <tss@iki.fi>
parents: 876
diff changeset
496 static void login_process_unref(struct login_process *p)
0
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
497 {
4670
5372b92be174 Reference counter fixes
Timo Sirainen <tss@iki.fi>
parents: 4668
diff changeset
498 i_assert(p->refcount > 0);
0
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
499 if (--p->refcount > 0)
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
500 return;
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
501
4631
f5d53a684856 SIGHUP caused memory corruption
Timo Sirainen <tss@iki.fi>
parents: 4630
diff changeset
502 if (p->group != NULL)
f5d53a684856 SIGHUP caused memory corruption
Timo Sirainen <tss@iki.fi>
parents: 4630
diff changeset
503 login_group_unref(p->group);
f5d53a684856 SIGHUP caused memory corruption
Timo Sirainen <tss@iki.fi>
parents: 4630
diff changeset
504
3879
928229f8b3e6 deinit, unref, destroy, close, free, etc. functions now take a pointer to
Timo Sirainen <tss@iki.fi>
parents: 3863
diff changeset
505 o_stream_unref(&p->output);
0
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
506 i_free(p);
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
507 }
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
508
1273
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It
Timo Sirainen <tss@iki.fi>
parents: 1237
diff changeset
509 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
510 {
1610
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat
Timo Sirainen <tss@iki.fi>
parents: 1506
diff changeset
511 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
512
2000
c7c19f5071c3 Write all logging through master process. Fixes problems with log rotation,
Timo Sirainen <tss@iki.fi>
parents: 1997
diff changeset
513 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
514
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It
Timo Sirainen <tss@iki.fi>
parents: 1237
diff changeset
515 /* setup access environment - needs to be done after
3692
162ad2307710 Comment update
Timo Sirainen <tss@iki.fi>
parents: 3691
diff changeset
516 clean_child_process() since it clears environment. Don't set user
162ad2307710 Comment update
Timo Sirainen <tss@iki.fi>
parents: 3691
diff changeset
517 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
518 processes. */
e167b71e37e3 Don't call initgroups() at the start of login processes.
Timo Sirainen <tss@iki.fi>
parents: 3607
diff changeset
519 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
520 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
521 set->login_chroot ? set->login_dir : NULL,
2141
8690d2000e33 Added mail_extra_groups setting.
Timo Sirainen <tss@iki.fi>
parents: 2097
diff changeset
522 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
523
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It
Timo Sirainen <tss@iki.fi>
parents: 1237
diff changeset
524 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
525
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It
Timo Sirainen <tss@iki.fi>
parents: 1237
diff changeset
526 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
527 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
528
4388
af61031c746f Settings parser nowadays returns "" instead of NULL when it reads an empty
Timo Sirainen <tss@iki.fi>
parents: 4353
diff changeset
529 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
530 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
531
4388
af61031c746f Settings parser nowadays returns "" instead of NULL when it reads an empty
Timo Sirainen <tss@iki.fi>
parents: 4353
diff changeset
532 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
533 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
534 set->ssl_ca_file, NULL));
190f1d315ce6 Added setting ssl_ca_file, patch by Zach Bagnall
Timo Sirainen <tss@iki.fi>
parents: 1897
diff changeset
535 }
1273
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It
Timo Sirainen <tss@iki.fi>
parents: 1237
diff changeset
536 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
537 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
538 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
539 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
540 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
541 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
542 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
543 if (*set->ssl_cipher_list != '\0') {
1996
d8f06a0c818e Added ssl_cipher_list setting.
Timo Sirainen <tss@iki.fi>
parents: 1907
diff changeset
544 env_put(t_strconcat("SSL_CIPHER_LIST=",
d8f06a0c818e Added ssl_cipher_list setting.
Timo Sirainen <tss@iki.fi>
parents: 1907
diff changeset
545 set->ssl_cipher_list, NULL));
d8f06a0c818e Added ssl_cipher_list setting.
Timo Sirainen <tss@iki.fi>
parents: 1907
diff changeset
546 }
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;
3f2eb1b9c555 Support listening multiple sockets. SIGHUP also doesn't anymore recreate
Timo Sirainen <tss@iki.fi>
parents: 5846
diff changeset
592 unsigned int i, listen_count = 0, ssl_listen_count = 0;
3f2eb1b9c555 Support listening multiple sockets. SIGHUP also doesn't anymore recreate
Timo Sirainen <tss@iki.fi>
parents: 5846
diff changeset
593 int fd[2], log_fd, cur_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 */
3f2eb1b9c555 Support listening multiple sockets. SIGHUP also doesn't anymore recreate
Timo Sirainen <tss@iki.fi>
parents: 5846
diff changeset
667 while (cur_fd >= 0)
3f2eb1b9c555 Support listening multiple sockets. SIGHUP also doesn't anymore recreate
Timo Sirainen <tss@iki.fi>
parents: 5846
diff changeset
668 fd_close_on_exec(cur_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);
722
0438621d25ff Added virtual memory size limits to processes. Default values are pretty
Timo Sirainen <tss@iki.fi>
parents: 699
diff changeset
687
801
86224ff16bf6 Drop root privileges earlier. Close syslog more later in imap-master when
Timo Sirainen <tss@iki.fi>
parents: 791
diff changeset
688 /* 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
689 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
690 closelog();
86224ff16bf6 Drop root privileges earlier. Close syslog more later in imap-master when
Timo Sirainen <tss@iki.fi>
parents: 791
diff changeset
691
2886
634cf6aa34d1 Allow running all executables with parameters.
Timo Sirainen <tss@iki.fi>
parents: 2779
diff changeset
692 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
693 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
694 group->set->login_executable);
0
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
695 return -1;
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
696 }
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
697
5843
f655c4d4a419 Moved child process handling to child-process.[ch]. The hash table now uses
Timo Sirainen <tss@iki.fi>
parents: 5632
diff changeset
698 static void
5846
21e529b8a701 Initial implementation for mail_max_user_connections setting.
Timo Sirainen <tss@iki.fi>
parents: 5843
diff changeset
699 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
700 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
701 {
5843
f655c4d4a419 Moved child process handling to child-process.[ch]. The hash table now uses
Timo Sirainen <tss@iki.fi>
parents: 5632
diff changeset
702 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
703
4538
9d9e72374164 Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents: 4388
diff changeset
704 i_assert(!p->inetd_child);
9d9e72374164 Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents: 4388
diff changeset
705
9d9e72374164 Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents: 4388
diff changeset
706 if (abnormal_exit) {
9d9e72374164 Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents: 4388
diff changeset
707 /* 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
708 the time */
9d9e72374164 Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents: 4388
diff changeset
709 if (p->group != NULL)
9d9e72374164 Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents: 4388
diff changeset
710 p->group->wanted_processes_count = 0;
9d9e72374164 Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents: 4388
diff changeset
711 }
9d9e72374164 Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents: 4388
diff changeset
712
9d9e72374164 Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents: 4388
diff changeset
713 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
714 }
0d852af6842e Master process generates DH/RSA parameters now and stores them into file
Timo Sirainen <tss@iki.fi>
parents: 614
diff changeset
715
4670
5372b92be174 Reference counter fixes
Timo Sirainen <tss@iki.fi>
parents: 4668
diff changeset
716 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
717 {
1897
1e6ed8045f2b Changed hash_foreach() to iterator.
Timo Sirainen <tss@iki.fi>
parents: 1724
diff changeset
718 struct hash_iterate_context *iter;
1e6ed8045f2b Changed hash_foreach() to iterator.
Timo Sirainen <tss@iki.fi>
parents: 1724
diff changeset
719 void *key, *value;
1e6ed8045f2b Changed hash_foreach() to iterator.
Timo Sirainen <tss@iki.fi>
parents: 1724
diff changeset
720
1e6ed8045f2b Changed hash_foreach() to iterator.
Timo Sirainen <tss@iki.fi>
parents: 1724
diff changeset
721 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
722 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
723 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
724
f655c4d4a419 Moved child process handling to child-process.[ch]. The hash table now uses
Timo Sirainen <tss@iki.fi>
parents: 5632
diff changeset
725 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
726 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
727 }
1897
1e6ed8045f2b Changed hash_foreach() to iterator.
Timo Sirainen <tss@iki.fi>
parents: 1724
diff changeset
728 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
729
1055
a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3
Timo Sirainen <tss@iki.fi>
parents: 1039
diff changeset
730 while (login_groups != NULL) {
a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3
Timo Sirainen <tss@iki.fi>
parents: 1039
diff changeset
731 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
732
a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3
Timo Sirainen <tss@iki.fi>
parents: 1039
diff changeset
733 login_groups = group->next;
4631
f5d53a684856 SIGHUP caused memory corruption
Timo Sirainen <tss@iki.fi>
parents: 4630
diff changeset
734 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
735 }
a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3
Timo Sirainen <tss@iki.fi>
parents: 1039
diff changeset
736 }
a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3
Timo Sirainen <tss@iki.fi>
parents: 1039
diff changeset
737
4538
9d9e72374164 Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents: 4388
diff changeset
738 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
739 {
9d9e72374164 Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents: 4388
diff changeset
740 struct hash_iterate_context *iter;
9d9e72374164 Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents: 4388
diff changeset
741 struct master_login_reply reply;
9d9e72374164 Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents: 4388
diff changeset
742 void *key, *value;
9d9e72374164 Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents: 4388
diff changeset
743
9d9e72374164 Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents: 4388
diff changeset
744 memset(&reply, 0, sizeof(reply));
9d9e72374164 Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents: 4388
diff changeset
745
9d9e72374164 Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents: 4388
diff changeset
746 iter = hash_iterate_init(processes);
9d9e72374164 Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents: 4388
diff changeset
747 while (hash_iterate(iter, &key, &value)) {
9d9e72374164 Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents: 4388
diff changeset
748 struct login_process *p = value;
9d9e72374164 Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents: 4388
diff changeset
749
5843
f655c4d4a419 Moved child process handling to child-process.[ch]. The hash table now uses
Timo Sirainen <tss@iki.fi>
parents: 5632
diff changeset
750 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
751 (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
752 }
9d9e72374164 Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents: 4388
diff changeset
753 hash_iterate_deinit(iter);
9d9e72374164 Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents: 4388
diff changeset
754 }
9d9e72374164 Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents: 4388
diff changeset
755
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
756 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
757 {
4538
9d9e72374164 Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents: 4388
diff changeset
758 if (group->set->login_process_per_connection &&
9d9e72374164 Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents: 4388
diff changeset
759 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
760 group->listening_processes == 0) {
9d9e72374164 Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents: 4388
diff changeset
761 /* destroy the oldest listening process. non-listening
9d9e72374164 Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents: 4388
diff changeset
762 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
763 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
764 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
765 group->oldest_prelogin_process->initialized)
4538
9d9e72374164 Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents: 4388
diff changeset
766 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
767 }
a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3
Timo Sirainen <tss@iki.fi>
parents: 1039
diff changeset
768
a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3
Timo Sirainen <tss@iki.fi>
parents: 1039
diff changeset
769 /* 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
770 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
771 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
772 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
773 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
774 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
775 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
776 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
777 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
778 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
779 } 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
780 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
781 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
782 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
783 group->wanted_processes_count--;
a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3
Timo Sirainen <tss@iki.fi>
parents: 1039
diff changeset
784
4538
9d9e72374164 Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents: 4388
diff changeset
785 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
786 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
787 if (create_login_process(group) < 0)
9d9e72374164 Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents: 4388
diff changeset
788 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
789 }
1055
a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3
Timo Sirainen <tss@iki.fi>
parents: 1039
diff changeset
790
4538
9d9e72374164 Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents: 4388
diff changeset
791 if (group->listening_processes == 0 &&
9d9e72374164 Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents: 4388
diff changeset
792 !group->set->login_process_per_connection) {
9d9e72374164 Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents: 4388
diff changeset
793 /* 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
794 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
795 oldest clients when accepting the next connection */
9d9e72374164 Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents: 4388
diff changeset
796 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
797 }
f60d73c96618 If master process runs out of file descriptors, try to handle it more nicely
Timo Sirainen <tss@iki.fi>
parents: 3901
diff changeset
798 return 0;
635
90a65c017bf0 SIGHUP reloads now settings. Logged in clients are left untouched, but
Timo Sirainen <tss@iki.fi>
parents: 615
diff changeset
799 }
90a65c017bf0 SIGHUP reloads now settings. Logged in clients are left untouched, but
Timo Sirainen <tss@iki.fi>
parents: 615
diff changeset
800
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
801 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
802 {
4665
e4d7d01b0784 Deinit crashfix.
Timo Sirainen <tss@iki.fi>
parents: 4661
diff changeset
803 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
804 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
805
f60d73c96618 If master process runs out of file descriptors, try to handle it more nicely
Timo Sirainen <tss@iki.fi>
parents: 3901
diff changeset
806 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
807 "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
808 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
809
f60d73c96618 If master process runs out of file descriptors, try to handle it more nicely
Timo Sirainen <tss@iki.fi>
parents: 3901
diff changeset
810 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
811 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
812 }
f60d73c96618 If master process runs out of file descriptors, try to handle it more nicely
Timo Sirainen <tss@iki.fi>
parents: 3901
diff changeset
813
903
fd8888f6f037 Naming style changes, finally got tired of most of the typedefs. Also the
Timo Sirainen <tss@iki.fi>
parents: 876
diff changeset
814 static void
1036
f782b3319553 Removed useless parameters from io_callback_t and timeout_callback_t.
Timo Sirainen <tss@iki.fi>
parents: 1035
diff changeset
815 login_processes_start_missing(void *context __attr_unused__)
0
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
816 {
1055
a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3
Timo Sirainen <tss@iki.fi>
parents: 1039
diff changeset
817 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
818
5136
86625faa49b5 Start auth processes immediately at startup, not after one second delay.
Timo Sirainen <tss@iki.fi>
parents: 5089
diff changeset
819 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
820 /* 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
821 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
822 return;
86625faa49b5 Start auth processes immediately at startup, not after one second delay.
Timo Sirainen <tss@iki.fi>
parents: 5089
diff changeset
823 }
86625faa49b5 Start auth processes immediately at startup, not after one second delay.
Timo Sirainen <tss@iki.fi>
parents: 5089
diff changeset
824
1610
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat
Timo Sirainen <tss@iki.fi>
parents: 1506
diff changeset
825 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
826 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
827
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
828 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
829 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
830 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
831 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
832 }
f60d73c96618 If master process runs out of file descriptors, try to handle it more nicely
Timo Sirainen <tss@iki.fi>
parents: 3901
diff changeset
833 }
0
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
834 }
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
835
1273
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It
Timo Sirainen <tss@iki.fi>
parents: 1237
diff changeset
836 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
837 {
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It
Timo Sirainen <tss@iki.fi>
parents: 1237
diff changeset
838 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
839 char **env;
3607
a2dd3d895e00 Several fixes to make running from inetd working again
Timo Sirainen <tss@iki.fi>
parents: 3384
diff changeset
840 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
841 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
842
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It
Timo Sirainen <tss@iki.fi>
parents: 1237
diff changeset
843 /* 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
844 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
845
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It
Timo Sirainen <tss@iki.fi>
parents: 1237
diff changeset
846 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
847 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
848
3607
a2dd3d895e00 Several fixes to make running from inetd working again
Timo Sirainen <tss@iki.fi>
parents: 3384
diff changeset
849 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
850 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
851 ret = -1;
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It
Timo Sirainen <tss@iki.fi>
parents: 1237
diff changeset
852 break;
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It
Timo Sirainen <tss@iki.fi>
parents: 1237
diff changeset
853 }
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It
Timo Sirainen <tss@iki.fi>
parents: 1237
diff changeset
854 }
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It
Timo Sirainen <tss@iki.fi>
parents: 1237
diff changeset
855
3607
a2dd3d895e00 Several fixes to make running from inetd working again
Timo Sirainen <tss@iki.fi>
parents: 3384
diff changeset
856 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
857 /* 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
858 where its base directory is */
a2dd3d895e00 Several fixes to make running from inetd working again
Timo Sirainen <tss@iki.fi>
parents: 3384
diff changeset
859 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
860 p->group->set->login_dir);
a2dd3d895e00 Several fixes to make running from inetd working again
Timo Sirainen <tss@iki.fi>
parents: 3384
diff changeset
861 len = strlen(str);
a2dd3d895e00 Several fixes to make running from inetd working again
Timo Sirainen <tss@iki.fi>
parents: 3384
diff changeset
862 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
863 ret = -1;
a2dd3d895e00 Several fixes to make running from inetd working again
Timo Sirainen <tss@iki.fi>
parents: 3384
diff changeset
864 }
a2dd3d895e00 Several fixes to make running from inetd working again
Timo Sirainen <tss@iki.fi>
parents: 3384
diff changeset
865
1273
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It
Timo Sirainen <tss@iki.fi>
parents: 1237
diff changeset
866 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
867 ret = -1;
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It
Timo Sirainen <tss@iki.fi>
parents: 1237
diff changeset
868
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It
Timo Sirainen <tss@iki.fi>
parents: 1237
diff changeset
869 env_clean();
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It
Timo Sirainen <tss@iki.fi>
parents: 1237
diff changeset
870 return ret;
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It
Timo Sirainen <tss@iki.fi>
parents: 1237
diff changeset
871 }
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It
Timo Sirainen <tss@iki.fi>
parents: 1237
diff changeset
872
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
873 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
874 {
4740
0a1fa29ac87f inetd logins kept crashing dovecot master.
Timo Sirainen <tss@iki.fi>
parents: 4734
diff changeset
875 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
876 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
877 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
878
af685269ead0 login: Wait until we're connected to auth process before executing command
Timo Sirainen <tss@iki.fi>
parents: 1273
diff changeset
879 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
880 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
881 return FALSE;
af685269ead0 login: Wait until we're connected to auth process before executing command
Timo Sirainen <tss@iki.fi>
parents: 1273
diff changeset
882 }
af685269ead0 login: Wait until we're connected to auth process before executing command
Timo Sirainen <tss@iki.fi>
parents: 1273
diff changeset
883
af685269ead0 login: Wait until we're connected to auth process before executing command
Timo Sirainen <tss@iki.fi>
parents: 1273
diff changeset
884 return TRUE;
af685269ead0 login: Wait until we're connected to auth process before executing command
Timo Sirainen <tss@iki.fi>
parents: 1273
diff changeset
885 }
af685269ead0 login: Wait until we're connected to auth process before executing command
Timo Sirainen <tss@iki.fi>
parents: 1273
diff changeset
886
1273
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It
Timo Sirainen <tss@iki.fi>
parents: 1237
diff changeset
887 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
888 {
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It
Timo Sirainen <tss@iki.fi>
parents: 1237
diff changeset
889 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
890 int fd;
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It
Timo Sirainen <tss@iki.fi>
parents: 1237
diff changeset
891
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It
Timo Sirainen <tss@iki.fi>
parents: 1237
diff changeset
892 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
893 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
894 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
895 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
896 } else {
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It
Timo Sirainen <tss@iki.fi>
parents: 1237
diff changeset
897 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
898 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
899
1275
af685269ead0 login: Wait until we're connected to auth process before executing command
Timo Sirainen <tss@iki.fi>
parents: 1273
diff changeset
900 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
901 p->initialized = TRUE;
4538
9d9e72374164 Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents: 4388
diff changeset
902 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
903 }
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It
Timo Sirainen <tss@iki.fi>
parents: 1237
diff changeset
904 }
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It
Timo Sirainen <tss@iki.fi>
parents: 1237
diff changeset
905
0
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
906 void login_processes_init(void)
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
907 {
1273
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It
Timo Sirainen <tss@iki.fi>
parents: 1237
diff changeset
908 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
909 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
910 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
911
5843
f655c4d4a419 Moved child process handling to child-process.[ch]. The hash table now uses
Timo Sirainen <tss@iki.fi>
parents: 5632
diff changeset
912 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
913 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
914
1273
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It
Timo Sirainen <tss@iki.fi>
parents: 1237
diff changeset
915 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
916 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
917 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
918 } else {
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It
Timo Sirainen <tss@iki.fi>
parents: 1237
diff changeset
919 to = NULL;
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It
Timo Sirainen <tss@iki.fi>
parents: 1237
diff changeset
920 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
921 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
922 }
0
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
923 }
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
924
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
925 void login_processes_deinit(void)
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
926 {
1273
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It
Timo Sirainen <tss@iki.fi>
parents: 1237
diff changeset
927 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
928 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
929 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
930 io_remove(&io_listen);
0
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
931 }