Mercurial > masqmail
annotate src/online.c @ 214:ecd8d737d78e
removed the old manual because it is really outdated now
In masqmail's 0.3 branch, so much changed that the old manual
causes more harm than it improves the distribution.
Most content is covered by the man pages anyway.
You'll still find the old manual on masqmail's homepage.
| author | meillo@marmaro.de |
|---|---|
| date | Mon, 19 Jul 2010 14:06:08 +0200 |
| parents | 3708b655a371 |
| children | fc1c6425c024 |
| 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 "peopen.h" | |
| 25 | |
| 26 gchar *connection_name; | |
| 27 | |
|
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28 void |
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29 set_online_name(gchar * name) |
| 0 | 30 { |
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31 connection_name = g_strdup(name); |
| 0 | 32 } |
| 33 | |
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34 static gchar* |
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35 detect_online_pipe(const gchar * pipe) |
| 0 | 36 { |
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37 pid_t pid; |
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38 void (*old_signal) (int); |
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39 int status; |
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40 FILE *in; |
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41 gchar *name = NULL; |
| 0 | 42 |
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43 old_signal = signal(SIGCHLD, SIG_DFL); |
| 0 | 44 |
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45 in = peopen(pipe, "r", environ, &pid); |
| 33 | 46 if (in == NULL) { |
| 47 logwrite(LOG_ALERT, "could not open pipe '%s': %s\n", pipe, strerror(errno)); | |
| 48 signal(SIGCHLD, old_signal); | |
| 49 return NULL; | |
| 50 } | |
| 51 | |
| 52 gchar output[256]; | |
| 53 if (fgets(output, 255, in)) { | |
| 54 g_strchomp(g_strchug(output)); | |
| 55 if (strlen(output) == 0) { | |
| 56 logwrite(LOG_ALERT, "only whitespace connection name\n"); | |
| 57 name = NULL; | |
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58 } else { |
| 33 | 59 name = g_strdup(output); |
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60 } |
| 33 | 61 } else { |
| 62 logwrite(LOG_ALERT, "nothing read from pipe %s\n", pipe); | |
| 63 name = NULL; | |
| 64 } | |
| 65 fclose(in); | |
| 66 waitpid(pid, &status, 0); | |
| 67 if (WEXITSTATUS(status) != EXIT_SUCCESS) { | |
| 68 g_free(name); | |
| 69 name = NULL; | |
| 70 } | |
| 0 | 71 |
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72 signal(SIGCHLD, old_signal); |
| 0 | 73 |
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74 return name; |
| 0 | 75 } |
| 76 | |
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77 gchar* |
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78 detect_online() |
| 0 | 79 { |
| 33 | 80 if (conf.online_detect == NULL) { |
| 81 return NULL; | |
| 82 } | |
| 83 | |
| 84 if (strcmp(conf.online_detect, "file") == 0) { | |
| 85 DEBUG(3) debugf("online detection method 'file'\n"); | |
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86 if (conf.online_file == NULL) { |
| 33 | 87 logwrite(LOG_ALERT, "online detection mode is 'file', but online_file is undefined\n"); |
| 88 return NULL; | |
| 89 } | |
| 90 | |
| 91 struct stat st; | |
| 92 if (stat(conf.online_file, &st) == 0) { | |
| 93 FILE *fptr = fopen(conf.online_file, "r"); | |
| 94 if (!fptr) { | |
| 95 logwrite(LOG_ALERT, "opening of %s failed: %s\n", conf.online_file, strerror(errno)); | |
| 96 return NULL; | |
| 97 } | |
| 98 char buf[256]; | |
| 99 if (fgets(buf, 256, fptr) == NULL) { | |
| 100 logwrite(LOG_ALERT, "empty online file %s\n", conf.online_file); | |
| 101 fclose(fptr); | |
| 102 return NULL; | |
| 103 } | |
| 104 g_strchomp(g_strchug(buf)); | |
| 105 fclose(fptr); | |
| 106 if (strlen(buf) == 0) { | |
| 107 logwrite(LOG_ALERT, "only whitespace connection name in %s\n", conf.online_file); | |
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108 return NULL; |
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109 } |
| 33 | 110 return g_strdup(buf); |
| 111 } else if (errno == ENOENT) { | |
| 112 logwrite(LOG_NOTICE, "not online.\n"); | |
| 113 return NULL; | |
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114 } else { |
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115 logwrite(LOG_ALERT, "stat of %s failed: %s\n", conf.online_file, strerror(errno)); |
| 33 | 116 return NULL; |
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117 } |
| 33 | 118 |
| 119 } else if (strcmp(conf.online_detect, "pipe") == 0) { | |
| 120 DEBUG(3) debugf("connection method 'pipe'\n"); | |
| 121 if (conf.online_pipe) | |
| 122 return detect_online_pipe(conf.online_pipe); | |
| 123 else { | |
| 124 logwrite(LOG_ALERT, "online detection mode is 'pipe', but online_pipe is undefined\n"); | |
| 125 return NULL; | |
| 126 } | |
| 127 } else if (strcmp(conf.online_detect, "argument") == 0) { | |
| 128 return connection_name; | |
| 129 } else { | |
| 130 DEBUG(3) debugf("no connection method selected\n"); | |
| 0 | 131 } |
| 33 | 132 |
| 0 | 133 return NULL; |
| 134 } |