/*
* safe_fork_and_exec
*
* Execute the specified file, preserving the current process.
* (Currently unused)
*
* Parameters:
* pFilePath - string specifying the file to execute
* argv - the argument vector passed to new process;
* the first argument should be the command name.
*
* Returns:
* Returns 0 to the parent process.
* Does not return to the child process unless an error occurs,
* in which case 255 is returned.
*/
static
int safe_fork_and_exec( const char* pFilePath, char* const argv[] )
{
pid_t child = fork();
if (child)
{
/* Here if parent. */
return 0;
}
/* Here if child. */
return safe_exec( pFilePath, argv );
}
/*
* main
*
* Execute the specified file, with all signals unblocked.
* The command lien format is:
*
* superexec file-path arg1 arg2 ... argN
*
* Returns:
* The exit status of the executed program,
* 255 if the program could not be launched, or if no program was specified.
*/
int main( int argc, char* argv[] )
{
int err;
if (argc > 1)
{
err = safe_exec( argv[1], &argv[1] );
if (err)
{
printf( "Error: unable to execute %s\n", argv[1] );
return err;
}
}
printf( "Error: no program specified.\n" );
return 255;
}
static int start_one_plugin(lnode *conf)
{
if (conf->p->restart_cnt > daemon_config.max_restarts)
return 1;
if (conf->p->type == S_BUILTIN)
start_builtin(conf->p);
else if (conf->p->type == S_ALWAYS) {
if (safe_exec(conf->p)) {
syslog(LOG_ERR,
"Error running %s (%s) continuing without it",
conf->p->path, strerror(errno));
conf->p->active = A_NO;
return 0;
}
/* Close the parent's read side */
close(conf->p->plug_pipe[0]);
conf->p->plug_pipe[0] = -1;
/* Avoid leaking descriptor */
fcntl(conf->p->plug_pipe[1], F_SETFD, FD_CLOEXEC);
}
return 1;
}
