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-rw-r--r--udev_utils_run.c283
1 files changed, 0 insertions, 283 deletions
diff --git a/udev_utils_run.c b/udev_utils_run.c
deleted file mode 100644
index 69b54f47a7..0000000000
--- a/udev_utils_run.c
+++ /dev/null
@@ -1,283 +0,0 @@
-/*
- * Copyright (C) 2004-2005 Kay Sievers <kay.sievers@vrfy.org>
- *
- * 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 version 2 of the License.
- *
- * 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.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- *
- */
-
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <stddef.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <errno.h>
-#include <ctype.h>
-#include <syslog.h>
-#include <sys/socket.h>
-#include <sys/un.h>
-#include <sys/wait.h>
-#include <sys/select.h>
-
-#include "udev.h"
-
-extern char **environ;
-
-int pass_env_to_socket(const char *sockname, const char *devpath, const char *action)
-{
- int sock;
- struct sockaddr_un saddr;
- socklen_t addrlen;
- char buf[2048];
- size_t bufpos = 0;
- int i;
- ssize_t count;
- int retval = 0;
-
- dbg("pass environment to socket '%s'", sockname);
- sock = socket(AF_LOCAL, SOCK_DGRAM, 0);
- memset(&saddr, 0x00, sizeof(struct sockaddr_un));
- saddr.sun_family = AF_LOCAL;
- /* abstract namespace only */
- strcpy(&saddr.sun_path[1], sockname);
- addrlen = offsetof(struct sockaddr_un, sun_path) + strlen(saddr.sun_path+1) + 1;
-
- bufpos = snprintf(buf, sizeof(buf)-1, "%s@%s", action, devpath);
- bufpos++;
- for (i = 0; environ[i] != NULL && bufpos < sizeof(buf); i++) {
- bufpos += strlcpy(&buf[bufpos], environ[i], sizeof(buf) - bufpos-1);
- bufpos++;
- }
-
- count = sendto(sock, &buf, bufpos, 0, (struct sockaddr *)&saddr, addrlen);
- if (count < 0)
- retval = -1;
- info("passed %zi bytes to socket '%s', ", count, sockname);
-
- close(sock);
- return retval;
-}
-
-int run_program(const char *command, const char *subsystem,
- char *result, size_t ressize, size_t *reslen)
-{
- int status;
- int outpipe[2] = {-1, -1};
- int errpipe[2] = {-1, -1};
- pid_t pid;
- char arg[PATH_SIZE];
- char program[PATH_SIZE];
- char *argv[(sizeof(arg) / 2) + 1];
- int devnull;
- int i;
- int retval = 0;
-
- /* build argv from comand */
- strlcpy(arg, command, sizeof(arg));
- i = 0;
- if (strchr(arg, ' ') != NULL) {
- char *pos = arg;
-
- while (pos != NULL) {
- if (pos[0] == '\'') {
- /* don't separate if in apostrophes */
- pos++;
- argv[i] = strsep(&pos, "\'");
- while (pos != NULL && pos[0] == ' ')
- pos++;
- } else {
- argv[i] = strsep(&pos, " ");
- }
- dbg("arg[%i] '%s'", i, argv[i]);
- i++;
- }
- argv[i] = NULL;
- } else {
- argv[0] = arg;
- argv[1] = NULL;
- }
- info("'%s'", command);
-
- /* prepare pipes from child to parent */
- if (result != NULL || udev_log_priority >= LOG_INFO) {
- if (pipe(outpipe) != 0) {
- err("pipe failed: %s", strerror(errno));
- return -1;
- }
- }
- if (udev_log_priority >= LOG_INFO) {
- if (pipe(errpipe) != 0) {
- err("pipe failed: %s", strerror(errno));
- return -1;
- }
- }
-
- /* allow programs in /lib/udev called without the path */
- if (strchr(argv[0], '/') == NULL) {
- strlcpy(program, "/lib/udev/", sizeof(program));
- strlcat(program, argv[0], sizeof(program));
- argv[0] = program;
- }
-
- pid = fork();
- switch(pid) {
- case 0:
- /* child closes parent ends of pipes */
- if (outpipe[READ_END] > 0)
- close(outpipe[READ_END]);
- if (errpipe[READ_END] > 0)
- close(errpipe[READ_END]);
-
- /* discard child output or connect to pipe */
- devnull = open("/dev/null", O_RDWR);
- if (devnull > 0) {
- dup2(devnull, STDIN_FILENO);
- if (outpipe[WRITE_END] < 0)
- dup2(devnull, STDOUT_FILENO);
- if (errpipe[WRITE_END] < 0)
- dup2(devnull, STDERR_FILENO);
- close(devnull);
- } else
- err("open /dev/null failed: %s", strerror(errno));
- if (outpipe[WRITE_END] > 0) {
- dup2(outpipe[WRITE_END], STDOUT_FILENO);
- close(outpipe[WRITE_END]);
- }
- if (errpipe[WRITE_END] > 0) {
- dup2(errpipe[WRITE_END], STDERR_FILENO);
- close(errpipe[WRITE_END]);
- }
- execv(argv[0], argv);
- if (errno == ENOENT || errno == ENOTDIR) {
- /* may be on a filesytem which is not mounted right now */
- info("program '%s' not found", argv[0]);
- } else {
- /* other problems */
- err("exec of program '%s' failed", argv[0]);
- }
- _exit(1);
- case -1:
- err("fork of '%s' failed: %s", argv[0], strerror(errno));
- return -1;
- default:
- /* read from child if requested */
- if (outpipe[READ_END] > 0 || errpipe[READ_END] > 0) {
- ssize_t count;
- size_t respos = 0;
-
- /* parent closes child ends of pipes */
- if (outpipe[WRITE_END] > 0)
- close(outpipe[WRITE_END]);
- if (errpipe[WRITE_END] > 0)
- close(errpipe[WRITE_END]);
-
- /* read child output */
- while (outpipe[READ_END] > 0 || errpipe[READ_END] > 0) {
- int fdcount;
- fd_set readfds;
-
- FD_ZERO(&readfds);
- if (outpipe[READ_END] > 0)
- FD_SET(outpipe[READ_END], &readfds);
- if (errpipe[READ_END] > 0)
- FD_SET(errpipe[READ_END], &readfds);
- fdcount = select(UDEV_MAX(outpipe[READ_END], errpipe[READ_END])+1, &readfds, NULL, NULL, NULL);
- if (fdcount < 0) {
- if (errno == EINTR)
- continue;
- retval = -1;
- break;
- }
-
- /* get stdout */
- if (outpipe[READ_END] > 0 && FD_ISSET(outpipe[READ_END], &readfds)) {
- char inbuf[1024];
- char *pos;
- char *line;
-
- count = read(outpipe[READ_END], inbuf, sizeof(inbuf)-1);
- if (count <= 0) {
- close(outpipe[READ_END]);
- outpipe[READ_END] = -1;
- if (count < 0) {
- err("stdin read failed: %s", strerror(errno));
- retval = -1;
- }
- continue;
- }
- inbuf[count] = '\0';
-
- /* store result for rule processing */
- if (result) {
- if (respos + count < ressize) {
- memcpy(&result[respos], inbuf, count);
- respos += count;
- } else {
- err("ressize %ld too short", (long)ressize);
- retval = -1;
- }
- }
- pos = inbuf;
- while ((line = strsep(&pos, "\n")))
- if (pos || line[0] != '\0')
- info("'%s' (stdout) '%s'", argv[0], line);
- }
-
- /* get stderr */
- if (errpipe[READ_END] > 0 && FD_ISSET(errpipe[READ_END], &readfds)) {
- char errbuf[1024];
- char *pos;
- char *line;
-
- count = read(errpipe[READ_END], errbuf, sizeof(errbuf)-1);
- if (count <= 0) {
- close(errpipe[READ_END]);
- errpipe[READ_END] = -1;
- if (count < 0)
- err("stderr read failed: %s", strerror(errno));
- continue;
- }
- errbuf[count] = '\0';
- pos = errbuf;
- while ((line = strsep(&pos, "\n")))
- if (pos || line[0] != '\0')
- info("'%s' (stderr) '%s'", argv[0], line);
- }
- }
- if (outpipe[READ_END] > 0)
- close(outpipe[READ_END]);
- if (errpipe[READ_END] > 0)
- close(errpipe[READ_END]);
-
- /* return the childs stdout string */
- if (result) {
- result[respos] = '\0';
- dbg("result='%s'", result);
- if (reslen)
- *reslen = respos;
- }
- }
- waitpid(pid, &status, 0);
- if (WIFEXITED(status)) {
- info("'%s' returned with status %i", argv[0], WEXITSTATUS(status));
- if (WEXITSTATUS(status) != 0)
- retval = -1;
- } else {
- err("'%s' abnormal exit", argv[0]);
- retval = -1;
- }
- }
-
- return retval;
-}
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