Mercurial > masqmail

annotate src/listen.c @ 370:d86d7b4b8995

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Broke long lines.
author markus schnalke <meillo@marmaro.de>
date Tue, 25 Oct 2011 13:50:27 +0200
parents b27f66555ba8
children 5781ba87df95
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
367
b27f66555ba8 Reformated multiline comments to have leading asterisks on each line
markus schnalke <meillo@marmaro.de>
parents: 366
diff changeset
1 /*
b27f66555ba8 Reformated multiline comments to have leading asterisks on each line
markus schnalke <meillo@marmaro.de>
parents: 366
diff changeset
2 ** MasqMail
b27f66555ba8 Reformated multiline comments to have leading asterisks on each line
markus schnalke <meillo@marmaro.de>
parents: 366
diff changeset
3 ** Copyright (C) 1999/2000 Oliver Kurth
b27f66555ba8 Reformated multiline comments to have leading asterisks on each line
markus schnalke <meillo@marmaro.de>
parents: 366
diff changeset
4 **
b27f66555ba8 Reformated multiline comments to have leading asterisks on each line
markus schnalke <meillo@marmaro.de>
parents: 366
diff changeset
5 ** This program is free software; you can redistribute it and/or modify
b27f66555ba8 Reformated multiline comments to have leading asterisks on each line
markus schnalke <meillo@marmaro.de>
parents: 366
diff changeset
6 ** it under the terms of the GNU General Public License as published by
b27f66555ba8 Reformated multiline comments to have leading asterisks on each line
markus schnalke <meillo@marmaro.de>
parents: 366
diff changeset
7 ** the Free Software Foundation; either version 2 of the License, or
b27f66555ba8 Reformated multiline comments to have leading asterisks on each line
markus schnalke <meillo@marmaro.de>
parents: 366
diff changeset
8 ** (at your option) any later version.
b27f66555ba8 Reformated multiline comments to have leading asterisks on each line
markus schnalke <meillo@marmaro.de>
parents: 366
diff changeset
9 **
b27f66555ba8 Reformated multiline comments to have leading asterisks on each line
markus schnalke <meillo@marmaro.de>
parents: 366
diff changeset
10 ** This program is distributed in the hope that it will be useful,
b27f66555ba8 Reformated multiline comments to have leading asterisks on each line
markus schnalke <meillo@marmaro.de>
parents: 366
diff changeset
11 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
b27f66555ba8 Reformated multiline comments to have leading asterisks on each line
markus schnalke <meillo@marmaro.de>
parents: 366
diff changeset
12 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
b27f66555ba8 Reformated multiline comments to have leading asterisks on each line
markus schnalke <meillo@marmaro.de>
parents: 366
diff changeset
13 ** GNU General Public License for more details.
b27f66555ba8 Reformated multiline comments to have leading asterisks on each line
markus schnalke <meillo@marmaro.de>
parents: 366
diff changeset
14 **
b27f66555ba8 Reformated multiline comments to have leading asterisks on each line
markus schnalke <meillo@marmaro.de>
parents: 366
diff changeset
15 ** You should have received a copy of the GNU General Public License
b27f66555ba8 Reformated multiline comments to have leading asterisks on each line
markus schnalke <meillo@marmaro.de>
parents: 366
diff changeset
16 ** along with this program; if not, write to the Free Software
b27f66555ba8 Reformated multiline comments to have leading asterisks on each line
markus schnalke <meillo@marmaro.de>
parents: 366
diff changeset
17 ** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
0
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
18 */
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
19
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
20 #include <sys/wait.h>
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
21 #include <sys/types.h>
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
22
15
f671821d8222 code beautifying; 0 -> \0 if appropriate
meillo@marmaro.de
parents: 10
diff changeset
23 #include "masqmail.h"
f671821d8222 code beautifying; 0 -> \0 if appropriate
meillo@marmaro.de
parents: 10
diff changeset
24
0
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
25 static int volatile sighup_seen = 0;
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
26
10
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
27 static void
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
28 sighup_handler(int sig)
0
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
29 {
10
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
30 sighup_seen = 1;
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
31 signal(SIGHUP, sighup_handler);
0
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
32 }
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
33
10
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
34 static void
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
35 sigchld_handler(int sig)
0
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
36 {
10
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
37 pid_t pid;
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
38 int status;
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
39
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
40 pid = waitpid(0, &status, 0);
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
41 if (pid > 0) {
262
fc1c6425c024 s/EXIT_SUCCESS/0/ && s/EXIT_FAILURE/1/
markus schnalke <meillo@marmaro.de>
parents: 207
diff changeset
42 if (WEXITSTATUS(status) != 0)
10
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
43 logwrite(LOG_WARNING, "process %d exited with %d\n", pid, WEXITSTATUS(status));
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
44 if (WIFSIGNALED(status))
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
45 logwrite(LOG_WARNING, "process with pid %d got signal: %d\n", pid, WTERMSIG(status));
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
46 }
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
47 signal(SIGCHLD, sigchld_handler);
0
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
48 }
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
49
10
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
50 void
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
51 accept_connect(int listen_sock, int sock, struct sockaddr_in *sock_addr)
0
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
52 {
10
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
53 pid_t pid;
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
54 int dup_sock = dup(sock);
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
55 FILE *out, *in;
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
56 gchar *rem_host;
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
57 gchar *ident = NULL;
0
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
58
10
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
59 rem_host = g_strdup(inet_ntoa(sock_addr->sin_addr));
0
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
60 #ifdef ENABLE_IDENT
10
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
61 {
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
62 gchar *id = NULL;
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
63 if ((id = (gchar *) ident_id(sock, 60))) {
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
64 ident = g_strdup(id);
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
65 }
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
66 logwrite(LOG_NOTICE, "connect from host %s, port %hd ident=%s\n", rem_host,
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
67 ntohs(sock_addr->sin_port), ident ? ident : "(unknown)");
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
68 }
0
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
69 #else
10
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
70 logwrite(LOG_NOTICE, "connect from host %s, port %hd\n", rem_host, ntohs(sock_addr->sin_port));
0
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
71 #endif
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
72
207
dcb315792513 removed commented code and replaced // by /* */
meillo@marmaro.de
parents: 204
diff changeset
73 /* start child for connection: */
10
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
74 signal(SIGCHLD, sigchld_handler);
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
75 pid = fork();
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
76 if (pid == 0) {
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
77 close(listen_sock);
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
78 out = fdopen(sock, "w");
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
79 in = fdopen(dup_sock, "r");
0
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
80
10
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
81 smtp_in(in, out, rem_host, ident);
0
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
82
262
fc1c6425c024 s/EXIT_SUCCESS/0/ && s/EXIT_FAILURE/1/
markus schnalke <meillo@marmaro.de>
parents: 207
diff changeset
83 _exit(0);
10
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
84 } else if (pid < 0) {
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
85 logwrite(LOG_WARNING, "could not fork for incoming smtp connection: %s\n", strerror(errno));
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
86 }
0
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
87 #ifdef ENABLE_IDENT
10
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
88 if (ident != NULL)
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
89 g_free(ident);
0
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
90 #endif
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
91
10
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
92 close(sock);
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
93 close(dup_sock);
0
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
94 }
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
95
10
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
96 void
366
41958685480d Switched to `type *name' style
markus schnalke <meillo@marmaro.de>
parents: 332
diff changeset
97 listen_port(GList *iface_list, gint qival, char *argv[])
0
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
98 {
10
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
99 int i;
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
100 fd_set active_fd_set, read_fd_set;
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
101 struct timeval tm;
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
102 time_t time_before, time_now;
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
103 struct sockaddr_in clientname;
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
104 size_t size;
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
105 GList *node, *node_next;
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
106 int sel_ret;
0
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
107
10
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
108 /* Create the sockets and set them up to accept connections. */
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
109 FD_ZERO(&active_fd_set);
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
110 for (node = g_list_first(iface_list); node; node = node_next) {
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
111 interface *iface = (interface *) (node->data);
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
112 int sock;
0
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
113
10
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
114 node_next = g_list_next(node);
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
115 if ((sock = make_server_socket(iface)) < 0) {
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
116 iface_list = g_list_remove_link(iface_list, node);
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
117 g_list_free_1(node);
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
118 continue;
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
119 }
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
120 if (listen(sock, 1) < 0) {
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
121 logwrite(LOG_ALERT, "listen: (terminating): %s\n", strerror(errno));
262
fc1c6425c024 s/EXIT_SUCCESS/0/ && s/EXIT_FAILURE/1/
markus schnalke <meillo@marmaro.de>
parents: 207
diff changeset
122 exit(1);
10
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
123 }
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
124 logwrite(LOG_NOTICE, "listening on interface %s:%d\n", iface->address, iface->port);
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
125 DEBUG(5) debugf("sock = %d\n", sock);
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
126 FD_SET(sock, &active_fd_set);
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
127 }
0
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
128
10
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
129 /* setup handler for HUP signal: */
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
130 signal(SIGHUP, sighup_handler);
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
131 signal(SIGCHLD, sigchld_handler);
0
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
132
15
f671821d8222 code beautifying; 0 -> \0 if appropriate
meillo@marmaro.de
parents: 10
diff changeset
133 /* now that we have our socket(s), we can give up root privileges */
10
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
134 if (!conf.run_as_user) {
332
63efd381e27b refactoring, partly also related to set_euidgid()
markus schnalke <meillo@marmaro.de>
parents: 262
diff changeset
135 set_euidgid(conf.mail_uid, conf.mail_gid, NULL, NULL);
10
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
136 }
0
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
137
10
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
138 /* sel_ret = 0; */
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
139 time(&time_before);
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
140 time_before -= qival;
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
141 sel_ret = -1;
0
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
142
10
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
143 while (1) {
0
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
144
367
b27f66555ba8 Reformated multiline comments to have leading asterisks on each line
markus schnalke <meillo@marmaro.de>
parents: 366
diff changeset
145 /*
b27f66555ba8 Reformated multiline comments to have leading asterisks on each line
markus schnalke <meillo@marmaro.de>
parents: 366
diff changeset
146 ** if we were interrupted by an incoming connection (or a
b27f66555ba8 Reformated multiline comments to have leading asterisks on each line
markus schnalke <meillo@marmaro.de>
parents: 366
diff changeset
147 ** signal) we have to recalculate the time until the next
b27f66555ba8 Reformated multiline comments to have leading asterisks on each line
markus schnalke <meillo@marmaro.de>
parents: 366
diff changeset
148 ** queue run should occur. select may put a value into tm,
b27f66555ba8 Reformated multiline comments to have leading asterisks on each line
markus schnalke <meillo@marmaro.de>
parents: 366
diff changeset
149 ** but doc for select() says we should not use it.
b27f66555ba8 Reformated multiline comments to have leading asterisks on each line
markus schnalke <meillo@marmaro.de>
parents: 366
diff changeset
150 */
10
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
151 if (qival > 0) {
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
152 time(&time_now);
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
153 if (sel_ret == 0) { /* we are either just starting or did a queue run */
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
154 tm.tv_sec = qival;
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
155 tm.tv_usec = 0;
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
156 time_before = time_now;
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
157 } else {
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
158 tm.tv_sec = qival - (time_now - time_before);
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
159 tm.tv_usec = 0;
0
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
160
10
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
161 /* race condition, very unlikely (but possible): */
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
162 if (tm.tv_sec < 0)
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
163 tm.tv_sec = 0;
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
164 }
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
165 }
367
b27f66555ba8 Reformated multiline comments to have leading asterisks on each line
markus schnalke <meillo@marmaro.de>
parents: 366
diff changeset
166 /*
b27f66555ba8 Reformated multiline comments to have leading asterisks on each line
markus schnalke <meillo@marmaro.de>
parents: 366
diff changeset
167 ** Block until input arrives on one or more active sockets,
b27f66555ba8 Reformated multiline comments to have leading asterisks on each line
markus schnalke <meillo@marmaro.de>
parents: 366
diff changeset
168 ** or signal arrives, or queuing interval time elapsed
b27f66555ba8 Reformated multiline comments to have leading asterisks on each line
markus schnalke <meillo@marmaro.de>
parents: 366
diff changeset
169 ** (if qival > 0)
b27f66555ba8 Reformated multiline comments to have leading asterisks on each line
markus schnalke <meillo@marmaro.de>
parents: 366
diff changeset
170 */
10
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
171 read_fd_set = active_fd_set;
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
172 if ((sel_ret = select(FD_SETSIZE, &read_fd_set, NULL, NULL, qival > 0 ? &tm : NULL)) < 0) {
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
173 if (errno != EINTR) {
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
174 logwrite(LOG_ALERT, "select: (terminating): %s\n", strerror(errno));
262
fc1c6425c024 s/EXIT_SUCCESS/0/ && s/EXIT_FAILURE/1/
markus schnalke <meillo@marmaro.de>
parents: 207
diff changeset
175 exit(1);
10
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
176 } else {
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
177 if (sighup_seen) {
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
178 logwrite(LOG_NOTICE, "HUP signal received. Restarting daemon\n");
0
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
179
10
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
180 for (i = 0; i < FD_SETSIZE; i++)
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
181 if (FD_ISSET(i, &active_fd_set))
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
182 close(i);
0
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
183
10
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
184 execv(argv[0], &(argv[0]));
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
185 logwrite(LOG_ALERT, "restarting failed: %s\n", strerror(errno));
262
fc1c6425c024 s/EXIT_SUCCESS/0/ && s/EXIT_FAILURE/1/
markus schnalke <meillo@marmaro.de>
parents: 207
diff changeset
186 exit(1);
10
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
187 }
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
188 }
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
189 } else if (sel_ret > 0) {
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
190 for (i = 0; i < FD_SETSIZE; i++) {
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
191 if (FD_ISSET(i, &read_fd_set)) {
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
192 int sock = i;
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
193 int new;
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
194 size = sizeof(clientname);
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
195 new = accept(sock, (struct sockaddr *) &clientname, &size);
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
196 if (new < 0) {
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
197 logwrite(LOG_ALERT, "accept: (ignoring): %s\n", strerror(errno));
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
198 } else
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
199 accept_connect(sock, new, &clientname);
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
200 }
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
201 }
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
202 } else {
367
b27f66555ba8 Reformated multiline comments to have leading asterisks on each line
markus schnalke <meillo@marmaro.de>
parents: 366
diff changeset
203 /*
b27f66555ba8 Reformated multiline comments to have leading asterisks on each line
markus schnalke <meillo@marmaro.de>
parents: 366
diff changeset
204 ** If select returns 0, the interval time has elapsed.
b27f66555ba8 Reformated multiline comments to have leading asterisks on each line
markus schnalke <meillo@marmaro.de>
parents: 366
diff changeset
205 ** We start a new queue runner process
b27f66555ba8 Reformated multiline comments to have leading asterisks on each line
markus schnalke <meillo@marmaro.de>
parents: 366
diff changeset
206 */
10
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
207 int pid;
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
208 signal(SIGCHLD, sigchld_handler);
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
209 if ((pid = fork()) == 0) {
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
210 queue_run();
0
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
211
262
fc1c6425c024 s/EXIT_SUCCESS/0/ && s/EXIT_FAILURE/1/
markus schnalke <meillo@marmaro.de>
parents: 207
diff changeset
212 _exit(0);
10
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
213 } else if (pid < 0) {
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
214 logwrite(LOG_ALERT, "could not fork for queue run");
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
215 }
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
216 }
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
217 }
0
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
218 }