Mercurial > masqmail
annotate src/online.c @ 132:2685e59f6f43
small clarity improvement
| author | meillo@marmaro.de |
|---|---|
| date | Tue, 06 Jul 2010 13:02:49 +0200 |
| parents | 3b344bf57162 |
| children | 5b621742b2e7 |
| rev | line source |
|---|---|
| 0 | 1 /* MasqMail |
| 2 Copyright (C) 1999-2001 Oliver Kurth | |
|
76
3b344bf57162
added copyright notices to files I improved
meillo@marmaro.de
parents:
51
diff
changeset
|
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 | |
|
10
26e34ae9a3e3
changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents:
0
diff
changeset
|
29 void |
|
26e34ae9a3e3
changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents:
0
diff
changeset
|
30 set_online_name(gchar * name) |
| 0 | 31 { |
|
10
26e34ae9a3e3
changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents:
0
diff
changeset
|
32 connection_name = g_strdup(name); |
| 0 | 33 } |
| 34 | |
|
10
26e34ae9a3e3
changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents:
0
diff
changeset
|
35 static gchar* |
|
26e34ae9a3e3
changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents:
0
diff
changeset
|
36 detect_online_pipe(const gchar * pipe) |
| 0 | 37 { |
|
10
26e34ae9a3e3
changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents:
0
diff
changeset
|
38 pid_t pid; |
|
26e34ae9a3e3
changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents:
0
diff
changeset
|
39 void (*old_signal) (int); |
|
26e34ae9a3e3
changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents:
0
diff
changeset
|
40 int status; |
|
26e34ae9a3e3
changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents:
0
diff
changeset
|
41 FILE *in; |
|
26e34ae9a3e3
changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents:
0
diff
changeset
|
42 gchar *name = NULL; |
| 0 | 43 |
|
10
26e34ae9a3e3
changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents:
0
diff
changeset
|
44 old_signal = signal(SIGCHLD, SIG_DFL); |
| 0 | 45 |
|
10
26e34ae9a3e3
changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents:
0
diff
changeset
|
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; | |
|
18
99c09ed776c1
fixed empty or only-whitespace connection names
meillo@marmaro.de
parents:
15
diff
changeset
|
59 } else { |
| 33 | 60 name = g_strdup(output); |
|
10
26e34ae9a3e3
changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents:
0
diff
changeset
|
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 |
|
10
26e34ae9a3e3
changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents:
0
diff
changeset
|
73 signal(SIGCHLD, old_signal); |
| 0 | 74 |
|
10
26e34ae9a3e3
changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents:
0
diff
changeset
|
75 return name; |
| 0 | 76 } |
| 77 | |
|
10
26e34ae9a3e3
changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents:
0
diff
changeset
|
78 gchar* |
|
26e34ae9a3e3
changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents:
0
diff
changeset
|
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"); | |
|
51
8a92de5e8907
fixed inverted condition for undefined online_file
meillo@marmaro.de
parents:
33
diff
changeset
|
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); | |
|
10
26e34ae9a3e3
changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents:
0
diff
changeset
|
109 return NULL; |
|
26e34ae9a3e3
changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents:
0
diff
changeset
|
110 } |
| 33 | 111 return g_strdup(buf); |
| 112 } else if (errno == ENOENT) { | |
| 113 logwrite(LOG_NOTICE, "not online.\n"); | |
| 114 return NULL; | |
|
10
26e34ae9a3e3
changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents:
0
diff
changeset
|
115 } else { |
| 33 | 116 logwrite(LOG_ALERT, "stat of %s failed: %s", conf.online_file, strerror(errno)); |
| 117 return NULL; | |
|
10
26e34ae9a3e3
changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents:
0
diff
changeset
|
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 } |