Mercurial > masqmail-0.2
annotate src/online.c @ 170:0f0e4e7cd762
added misc/list-versions
This script helps to check if the versions numbers in the project
are the same as the one for the release. This script is motivated
by the 0.2.27 release in which masqmail introduces itself as being
version 0.2.26.
| author | meillo@marmaro.de |
|---|---|
| date | Mon, 19 Jul 2010 14:01:13 +0200 |
| parents | 3b344bf57162 |
| children |
| rev | line source |
|---|---|
| 0 | 1 /* MasqMail |
| 2 Copyright (C) 1999-2001 Oliver Kurth | |
|
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3 Copyright (C) 2008 markus schnalke <meillo@marmaro.de> |
| 0 | 4 |
| 5 This program is free software; you can redistribute it and/or modify | |
| 6 it under the terms of the GNU General Public License as published by | |
| 7 the Free Software Foundation; either version 2 of the License, or | |
| 8 (at your option) any later version. | |
| 9 | |
| 10 This program is distributed in the hope that it will be useful, | |
| 11 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 13 GNU General Public License for more details. | |
| 14 | |
| 15 You should have received a copy of the GNU General Public License | |
| 16 along with this program; if not, write to the Free Software | |
| 17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
| 18 */ | |
| 19 | |
| 20 #include <sys/stat.h> | |
| 21 #include <sys/wait.h> | |
| 15 | 22 |
| 0 | 23 #include "masqmail.h" |
| 24 #include "mserver.h" | |
| 25 #include "peopen.h" | |
| 26 | |
| 27 gchar *connection_name; | |
| 28 | |
|
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29 void |
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30 set_online_name(gchar * name) |
| 0 | 31 { |
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32 connection_name = g_strdup(name); |
| 0 | 33 } |
| 34 | |
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35 static gchar* |
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36 detect_online_pipe(const gchar * pipe) |
| 0 | 37 { |
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38 pid_t pid; |
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39 void (*old_signal) (int); |
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40 int status; |
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41 FILE *in; |
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42 gchar *name = NULL; |
| 0 | 43 |
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44 old_signal = signal(SIGCHLD, SIG_DFL); |
| 0 | 45 |
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46 in = peopen(pipe, "r", environ, &pid); |
| 33 | 47 if (in == NULL) { |
| 48 logwrite(LOG_ALERT, "could not open pipe '%s': %s\n", pipe, strerror(errno)); | |
| 49 signal(SIGCHLD, old_signal); | |
| 50 return NULL; | |
| 51 } | |
| 52 | |
| 53 gchar output[256]; | |
| 54 if (fgets(output, 255, in)) { | |
| 55 g_strchomp(g_strchug(output)); | |
| 56 if (strlen(output) == 0) { | |
| 57 logwrite(LOG_ALERT, "only whitespace connection name\n"); | |
| 58 name = NULL; | |
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59 } else { |
| 33 | 60 name = g_strdup(output); |
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61 } |
| 33 | 62 } else { |
| 63 logwrite(LOG_ALERT, "nothing read from pipe %s\n", pipe); | |
| 64 name = NULL; | |
| 65 } | |
| 66 fclose(in); | |
| 67 waitpid(pid, &status, 0); | |
| 68 if (WEXITSTATUS(status) != EXIT_SUCCESS) { | |
| 69 g_free(name); | |
| 70 name = NULL; | |
| 71 } | |
| 0 | 72 |
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73 signal(SIGCHLD, old_signal); |
| 0 | 74 |
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75 return name; |
| 0 | 76 } |
| 77 | |
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78 gchar* |
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79 detect_online() |
| 0 | 80 { |
| 33 | 81 if (conf.online_detect == NULL) { |
| 82 return NULL; | |
| 83 } | |
| 84 | |
| 85 if (strcmp(conf.online_detect, "file") == 0) { | |
| 86 DEBUG(3) debugf("online detection method 'file'\n"); | |
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87 if (conf.online_file == NULL) { |
| 33 | 88 logwrite(LOG_ALERT, "online detection mode is 'file', but online_file is undefined\n"); |
| 89 return NULL; | |
| 90 } | |
| 91 | |
| 92 struct stat st; | |
| 93 if (stat(conf.online_file, &st) == 0) { | |
| 94 FILE *fptr = fopen(conf.online_file, "r"); | |
| 95 if (!fptr) { | |
| 96 logwrite(LOG_ALERT, "opening of %s failed: %s\n", conf.online_file, strerror(errno)); | |
| 97 return NULL; | |
| 98 } | |
| 99 char buf[256]; | |
| 100 if (fgets(buf, 256, fptr) == NULL) { | |
| 101 logwrite(LOG_ALERT, "empty online file %s\n", conf.online_file); | |
| 102 fclose(fptr); | |
| 103 return NULL; | |
| 104 } | |
| 105 g_strchomp(g_strchug(buf)); | |
| 106 fclose(fptr); | |
| 107 if (strlen(buf) == 0) { | |
| 108 logwrite(LOG_ALERT, "only whitespace connection name in %s\n", conf.online_file); | |
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109 return NULL; |
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110 } |
| 33 | 111 return g_strdup(buf); |
| 112 } else if (errno == ENOENT) { | |
| 113 logwrite(LOG_NOTICE, "not online.\n"); | |
| 114 return NULL; | |
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115 } else { |
| 33 | 116 logwrite(LOG_ALERT, "stat of %s failed: %s", conf.online_file, strerror(errno)); |
| 117 return NULL; | |
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118 } |
| 33 | 119 |
| 120 #ifdef ENABLE_MSERVER | |
| 121 } else if (strcmp(conf.online_detect, "mserver") == 0) { | |
| 122 DEBUG(3) debugf("connection method 'mserver'\n"); | |
| 123 return mserver_detect_online(conf.mserver_iface); | |
| 124 #endif | |
| 125 } else if (strcmp(conf.online_detect, "pipe") == 0) { | |
| 126 DEBUG(3) debugf("connection method 'pipe'\n"); | |
| 127 if (conf.online_pipe) | |
| 128 return detect_online_pipe(conf.online_pipe); | |
| 129 else { | |
| 130 logwrite(LOG_ALERT, "online detection mode is 'pipe', but online_pipe is undefined\n"); | |
| 131 return NULL; | |
| 132 } | |
| 133 } else if (strcmp(conf.online_detect, "argument") == 0) { | |
| 134 return connection_name; | |
| 135 } else { | |
| 136 DEBUG(3) debugf("no connection method selected\n"); | |
| 0 | 137 } |
| 33 | 138 |
| 0 | 139 return NULL; |
| 140 } |