masqmail

annotate src/online.c @ 14:a8f3424347dc

find changesets by author, revision, files, or words in the commit message
replaced number 0 with character \0 where appropriate
author meillo@marmaro.de
date Wed, 29 Oct 2008 21:21:26 +0100
parents 08114f7dcc23
children f671821d8222
rev   line source
meillo@0 1 /* MasqMail
meillo@0 2 Copyright (C) 1999-2001 Oliver Kurth
meillo@0 3
meillo@0 4 This program is free software; you can redistribute it and/or modify
meillo@0 5 it under the terms of the GNU General Public License as published by
meillo@0 6 the Free Software Foundation; either version 2 of the License, or
meillo@0 7 (at your option) any later version.
meillo@0 8
meillo@0 9 This program is distributed in the hope that it will be useful,
meillo@0 10 but WITHOUT ANY WARRANTY; without even the implied warranty of
meillo@0 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
meillo@0 12 GNU General Public License for more details.
meillo@0 13
meillo@0 14 You should have received a copy of the GNU General Public License
meillo@0 15 along with this program; if not, write to the Free Software
meillo@0 16 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
meillo@0 17 */
meillo@0 18
meillo@0 19 #include <sys/stat.h>
meillo@0 20 #include <sys/wait.h>
meillo@0 21 #include "masqmail.h"
meillo@0 22 #include "mserver.h"
meillo@0 23 #include "peopen.h"
meillo@0 24
meillo@0 25 gchar *connection_name;
meillo@0 26
meillo@10 27 void
meillo@10 28 set_online_name(gchar * name)
meillo@0 29 {
meillo@10 30 connection_name = g_strdup(name);
meillo@0 31 }
meillo@0 32
meillo@10 33 static gchar*
meillo@10 34 detect_online_pipe(const gchar * pipe)
meillo@0 35 {
meillo@10 36 pid_t pid;
meillo@10 37 void (*old_signal) (int);
meillo@10 38 int status;
meillo@10 39 FILE *in;
meillo@10 40 gchar *name = NULL;
meillo@0 41
meillo@10 42 old_signal = signal(SIGCHLD, SIG_DFL);
meillo@0 43
meillo@10 44 in = peopen(pipe, "r", environ, &pid);
meillo@10 45 if (in != NULL) {
meillo@10 46 gchar output[256];
meillo@10 47 if (fgets(output, 255, in)) {
meillo@10 48 g_strchomp(output);
meillo@10 49 name = g_strdup(output);
meillo@10 50 }
meillo@10 51 fclose(in);
meillo@10 52 waitpid(pid, &status, 0);
meillo@10 53 if (WEXITSTATUS(status) != EXIT_SUCCESS) {
meillo@10 54 g_free(name);
meillo@10 55 name = NULL;
meillo@10 56 }
meillo@10 57 } else
meillo@10 58 logwrite(LOG_ALERT, "could not open pipe '%s': %s\n", pipe, strerror(errno));
meillo@0 59
meillo@10 60 signal(SIGCHLD, old_signal);
meillo@0 61
meillo@10 62 return name;
meillo@0 63 }
meillo@0 64
meillo@10 65 gchar*
meillo@10 66 detect_online()
meillo@0 67 {
meillo@10 68 if (conf.online_detect != NULL) {
meillo@10 69 if (strcmp(conf.online_detect, "file") == 0) {
meillo@10 70 DEBUG(3) debugf("online detection method 'file'\n");
meillo@10 71 if (conf.online_file != NULL) {
meillo@10 72 struct stat st;
meillo@10 73 if (stat(conf.online_file, &st) == 0) {
meillo@10 74 FILE *fptr = fopen(conf.online_file, "r");
meillo@10 75 if (fptr) {
meillo@10 76 char buf[256];
meillo@10 77 fgets(buf, 256, fptr);
meillo@10 78 g_strchomp(buf);
meillo@10 79 fclose(fptr);
meillo@10 80 return g_strdup(buf);
meillo@10 81 } else {
meillo@10 82 logwrite(LOG_ALERT, "opening of %s failed: %s\n", conf.online_file, strerror(errno));
meillo@10 83 return NULL;
meillo@10 84 }
meillo@10 85 } else if (errno == ENOENT) {
meillo@10 86 logwrite(LOG_NOTICE, "not online.\n");
meillo@10 87 return NULL;
meillo@10 88 } else {
meillo@10 89 logwrite(LOG_ALERT, "stat of %s failed: %s", conf.online_file, strerror(errno));
meillo@10 90 return NULL;
meillo@10 91 }
meillo@10 92 } else
meillo@10 93 logwrite(LOG_ALERT, "online detection mode is 'file', but online_file is undefined\n");
meillo@10 94 #ifdef ENABLE_MSERVER
meillo@10 95 } else if (strcmp(conf.online_detect, "mserver") == 0) {
meillo@10 96 DEBUG(3) debugf("connection method 'mserver'\n");
meillo@10 97 return mserver_detect_online(conf.mserver_iface);
meillo@10 98 #endif
meillo@10 99 } else if (strcmp(conf.online_detect, "pipe") == 0) {
meillo@10 100 DEBUG(3) debugf("connection method 'pipe'\n");
meillo@10 101 if (conf.online_pipe)
meillo@10 102 return detect_online_pipe(conf.online_pipe);
meillo@10 103 else {
meillo@10 104 logwrite(LOG_ALERT, "online detection mode is 'pipe', but online_pipe is undefined\n");
meillo@10 105 return NULL;
meillo@10 106 }
meillo@10 107 } else if (strcmp(conf.online_detect, "argument") == 0) {
meillo@10 108 return connection_name;
meillo@10 109 } else {
meillo@10 110 DEBUG(3) debugf("no connection method selected\n");
meillo@10 111 }
meillo@0 112 }
meillo@0 113 return NULL;
meillo@0 114 }