diff options
Diffstat (limited to 'daemon/misc.c')
| -rw-r--r-- | daemon/misc.c | 289 |
1 files changed, 289 insertions, 0 deletions
diff --git a/daemon/misc.c b/daemon/misc.c new file mode 100644 index 00000000..eb1408f0 --- /dev/null +++ b/daemon/misc.c @@ -0,0 +1,289 @@ +/* GDM - The Gnome Display Manager + * Copyright (C) 1998, 1999 Martin Kasper Petersen <mkp@SunSITE.auc.dk> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <config.h> +#include <gnome.h> +#include <stdio.h> +#include <stdlib.h> +#include <ctype.h> +#include <syslog.h> +#include <sys/wait.h> +#include <sys/stat.h> +#include <unistd.h> + +#include "gdm.h" + +static const gchar RCSid[]="$Id$"; + + +gchar **gdm_arg_munch(gchar *p); +gint gdm_exec_script(GdmDisplay *d, gchar *dir); +void gdm_exec_command(gchar *cmd); +void gdm_fail(const gchar *format, ...); +void gdm_abort(const gchar *format, ...); +void gdm_info(const gchar *format, ...); +void gdm_error(const gchar *format, ...); +void gdm_debug(const gchar *format, ...); +void gdm_remanage(const gchar *format, ...); +void gdm_putenv(gchar *s); + +extern gchar *GdmPidFile; +extern gchar *GdmDefaultPath; +extern gint GdmDebug; + + +gchar ** +gdm_arg_munch(gchar *p) +{ + gchar *x=strdup(p); + gint quoted=0; + gint argn=0; + static gchar *argv[16]; + + while(*x) + { + while(*x && isspace(*x)) + x++; + + if(*x=='"') + { + quoted=1; + x++; + } + + argv[argn]=x; + + while(*x) + { + if(*x=='"' && quoted) + break; + if(*x==' ' && !quoted) + break; + x++; + } + + if(*x) + *x++=0; + argn++; + if(argn==16) + break; + } + + while(argn<=16) { + argv[argn]=NULL; + argn++; + }; + + return argv; +} + + +/* Execute a script and wait for it to finish */ +gint +gdm_exec_script(GdmDisplay *d, gchar *dir) +{ + pid_t pid; + gchar *script, *defscript, *scr; + gchar **argv; + gint status; + + script = g_strconcat(dir, "/", d->name, NULL); + defscript = g_strconcat(dir, "/Default", NULL); + + if(!access(script, R_OK|X_OK)) + scr=script; + else if (!access(defscript, R_OK|X_OK)) + scr=defscript; + else + return(EXIT_SUCCESS); + + switch(pid=fork()) { + + case 0: + gdm_putenv(g_strconcat("PATH=", GdmDefaultPath, NULL)); + argv=gdm_arg_munch(scr); + execv(argv[0], argv); + syslog(LOG_ERR, _("gdm_exec_script: Failed starting: %s"), scr); + return(EXIT_SUCCESS); + + case -1: + syslog(LOG_ERR, _("gdm_exec_script: Can't fork script process!")); + return(EXIT_SUCCESS); + + default: + waitpid(pid, &status, 0); /* Wait for script to finish */ + + if(WIFEXITED(status)) + return(WEXITSTATUS(status)); + else + return(EXIT_SUCCESS); + }; +} + + +void +gdm_exec_command(gchar *cmd) +{ + pid_t pid; + gchar **argv; + + if(!cmd) return; + + switch(pid=fork()) { + + case 0: + gdm_putenv(g_strconcat("PATH=", GdmDefaultPath, NULL)); + argv=gdm_arg_munch(cmd); + execvp(argv[0], argv); + syslog(LOG_ERR, _("gdm_exec_command: Failed starting: %s"), cmd); + exit(EXIT_FAILURE); + + case -1: + syslog(LOG_ERR, _("gdm_exec_command: Can't fork process!")); + break; + + default: + break; + }; +} + + +/* Log error and abort master daemon */ +void +gdm_fail(const gchar *format, ...) +{ + va_list args; + gchar *s; + + va_start(args, format); + s=g_strdup_vprintf(format, args); + va_end(args); + + syslog(LOG_ERR, s); + fprintf(stderr, s); + fprintf(stderr, "\n"); + fflush(stderr); + + g_free(s); + unlink(GdmPidFile); + closelog(); + + exit(EXIT_FAILURE); +} + + +/* Log error and abort the slave daemon */ +void +gdm_abort(const gchar *format, ...) +{ + va_list args; + gchar *s; + + va_start(args, format); + s=g_strdup_vprintf(format, args); + va_end(args); + + syslog(LOG_ERR, s); + + g_free(s); + + exit(DISPLAY_ABORT); +} + + +/* Remanage display */ +void +gdm_remanage(const gchar *format, ...) +{ + va_list args; + gchar *s; + + va_start(args, format); + s=g_strdup_vprintf(format, args); + va_end(args); + + syslog(LOG_ERR, s); + + g_free(s); + + exit(DISPLAY_REMANAGE); +} + + +/* Log non fatal error/message */ +void +gdm_info(const gchar *format, ...) +{ + va_list args; + gchar *s; + + va_start(args, format); + s=g_strdup_vprintf(format, args); + va_end(args); + + syslog(LOG_INFO, s); + + g_free(s); +} + + +/* Log error condition */ +void +gdm_error(const gchar *format, ...) +{ + va_list args; + gchar *s; + + va_start(args, format); + s=g_strdup_vprintf(format, args); + va_end(args); + + syslog(LOG_ERR, s); + + g_free(s); +} + + +/* Log debug messages */ +void +gdm_debug(const gchar *format, ...) +{ + va_list args; + gchar *s; + + if(GdmDebug) { + va_start(args, format); + s=g_strdup_vprintf(format, args); + va_end(args); + + syslog(LOG_DEBUG, s); + + g_free(s); + } +} + + +void +gdm_putenv(gchar *s) +{ + putenv(s); + g_free(s); +} + + +/* EOF */ |