+/*
+ * This file is part of ltrace.
+ * Copyright (C) 2011,2012 Petr Machata, Red Hat Inc.
+ * Copyright (C) 2010 Joe Damato
+ * Copyright (C) 1998,1999,2003,2008,2009 Juan Cespedes
+ * Copyright (C) 2006 Ian Wienand
+ *
+ * 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., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ */
#include "config.h"
#include <stdio.h>
#include <pwd.h>
#include <grp.h>
-#include "common.h"
+#include "backend.h"
+#include "options.h"
+#include "debug.h"
static void
-change_uid(Process *proc) {
+change_uid(const char * command)
+{
uid_t run_uid, run_euid;
gid_t run_gid, run_egid;
run_euid = run_uid;
run_egid = run_gid;
- if (!stat(proc->filename, &statbuf)) {
+ if (!stat(command, &statbuf)) {
if (statbuf.st_mode & S_ISUID) {
run_euid = statbuf.st_uid;
}
}
}
-void
-execute_program(Process *sp, char **argv) {
+pid_t
+execute_program(const char * command, char **argv)
+{
pid_t pid;
- debug(1, "Executing `%s'...", sp->filename);
+ debug(1, "Executing `%s'...", command);
pid = fork();
if (pid < 0) {
+ fail:
perror("ltrace: fork");
exit(1);
} else if (!pid) { /* child */
- change_uid(sp);
+ change_uid(command);
trace_me();
- execvp(sp->filename, argv);
- fprintf(stderr, "Can't execute `%s': %s\n", sp->filename,
+ execvp(command, argv);
+ fprintf(stderr, "Can't execute `%s': %s\n", command,
strerror(errno));
_exit(1);
}
- debug(1, "PID=%d", pid);
-
- sp->pid = pid;
+ if (wait_for_proc(pid) < 0)
+ goto fail;
- return;
+ debug(1, "PID=%d", pid);
+ return pid;
}