diff options
Diffstat (limited to 'dcop/dcopserver_shutdown.c')
-rw-r--r-- | dcop/dcopserver_shutdown.c | 204 |
1 files changed, 204 insertions, 0 deletions
diff --git a/dcop/dcopserver_shutdown.c b/dcop/dcopserver_shutdown.c new file mode 100644 index 000000000..a9d7057ad --- /dev/null +++ b/dcop/dcopserver_shutdown.c @@ -0,0 +1,204 @@ +/* + This file is part of the KDE libraries + Copyright (c) 1999 Waldo Bastian <bastian@kde.org> + (c) 1999 Mario Weilguni <mweilguni@sime.com> + (c) 2001 Lubos Lunak <l.lunak@kde.org> + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public + License version 2 as published by the Free Software Foundation. + + This library 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public License + along with this library; see the file COPYING.LIB. If not, write to + the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + Boston, MA 02110-1301, USA. +*/ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#ifdef HAVE_SYS_TYPES_H +#include <sys/types.h> +#endif + +#include <sys/select.h> +#include <sys/time.h> +#include <sys/types.h> +#include <sys/param.h> +#include <sys/socket.h> +#include <sys/stat.h> +#include <sys/un.h> + +#include <errno.h> +#include <string.h> +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> +#include <pwd.h> +#include <signal.h> + +#define BUFFER_SIZE 4096 + +static char *getDisplay() +{ + const char *display; + char *result; + char *screen; + char *colon; +/* + don't test for a value from qglobal.h but instead distinguish + Qt/X11 from Qt/Embedded by the fact that Qt/E apps have -DQWS + on the commandline (which in qglobal.h however triggers Q_WS_QWS, + but we don't want to include that here) (Simon) +#ifdef Q_WS_X11 + */ +#if !defined(QWS) + display = getenv("DISPLAY"); +#else + display = getenv("QWS_DISPLAY"); +#endif + if (!display || !*display) + { + display = "NODISPLAY"; + } + result = malloc(strlen(display)+1); + if (result == NULL) + return NULL; + strcpy(result, display); + screen = strrchr(result, '.'); + colon = strrchr(result, ':'); + if (screen && (screen > colon)) + *screen = '\0'; + return result; +} + +static void getDCOPFile(char *dcop_file, char *dcop_file_old, int max_length) +{ + const char *home_dir; + const char *dcop_authority; + char *display; + char *i; + int n; + + n = max_length; + home_dir = getenv("HOME"); + strncpy(dcop_file, home_dir, n); + dcop_file[ n - 1 ] = '\0'; + n -= strlen(home_dir); + + strncat(dcop_file, "/.DCOPserver_", n); + n -= strlen("/.DCOPserver_"); + + if (gethostname(dcop_file+strlen(dcop_file), n) != 0) + { + perror("Error. Could not determine hostname: "); + dcop_file[0] = '\0'; + return; + } + dcop_file[max_length] = '\0'; + n = max_length - strlen(dcop_file); + + strncat(dcop_file, "_", n); + n -= strlen("_"); + + display = getDisplay(); + if (display == NULL) + { + dcop_file[0] = '\0'; + return; /* barf */ + } + + strcpy(dcop_file_old, dcop_file); + strncat(dcop_file_old,display, n); + while((i = strchr(display, ':'))) + *i = '_'; + strncat(dcop_file, display, n); + free(display); + + dcop_authority = getenv("DCOPAUTHORITY"); + if (dcop_authority && *dcop_authority) + { + strncpy(dcop_file, dcop_authority, max_length); + dcop_file[ max_length - 1 ] = '\0'; + } + + return; +} + +static void cleanupDCOPsocket(char *buffer) +{ + char cmd[BUFFER_SIZE]; + const char *socket_file; + int l; + + l = strlen(buffer); + if (!l) + return; + buffer[l-1] = '\0'; /* strip LF */ + + socket_file = strchr(buffer, ':'); + if (socket_file) + socket_file++; + + if (socket_file) + unlink(socket_file); + + snprintf(cmd, BUFFER_SIZE, "iceauth remove netid='%s'", buffer); + system(cmd); +} + +static void cleanupDCOP(int dont_kill_dcop, int wait_for_exit) +{ + FILE *f; + char dcop_file[2048+1]; + char dcop_file_old[2048+1]; + char buffer[2048+1]; + pid_t pid = 0; + + getDCOPFile(dcop_file, dcop_file_old, 2048); + if (strlen(dcop_file) == 0) + return; + + f = fopen(dcop_file, "r"); + unlink(dcop_file); /* Clean up .DCOPserver file */ + unlink(dcop_file_old); + if (!f) + return; + + while (!feof(f)) + { + if (!fgets(buffer, 2048, f)) + break; + pid = strtol(buffer, NULL, 10); + if (pid) + break; + cleanupDCOPsocket(buffer); + } + fclose(f); + + if (!dont_kill_dcop && pid) + kill(pid, SIGTERM); + + while(wait_for_exit && (kill(pid, 0) == 0)) + { + struct timeval tv; + tv.tv_sec = 0; + tv.tv_usec = 100000; + select(0,0,0,0,&tv); + } +} + +int main(int argc, char **argv) +{ + int dont_kill_dcop = (argc == 2) && (strcmp(argv[1], "--nokill") == 0); + int wait_for_exit = (argc == 2) && (strcmp(argv[1], "--wait") == 0); + + cleanupDCOP(dont_kill_dcop, wait_for_exit); + return 0; +} |