embedaddon/sudo/plugins/sudoers/goodpath.c - diff

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version 1.1, 2012/02/21 16:23:02	version 1.1.1.2, 2012/05/29 12:26:49
Line 41	Line 41
/*	/*
* Verify that path is a normal file and executable by root.	* Verify that path is a normal file and executable by root.
*/	*/
char *	bool
sudo_goodpath(const char path, struct stat sbp)	sudo_goodpath(const char path, struct stat sbp)
{	{
struct stat sb;	struct stat sb;
	bool rval = false;
	debug_decl(sudo_goodpath, SUDO_DEBUG_UTIL)

/* Check for brain damage */	if (path != NULL && stat(path, &sb) == 0) {
if (path == NULL \|\| path[0] == '\0')	/* Make sure path describes an executable regular file. */
return NULL;	if (S_ISREG(sb.st_mode) && ISSET(sb.st_mode, 0111))
	rval = true;
if (stat(path, &sb))	else
return NULL;	errno = EACCES;
	if (sbp)
/* Make sure path describes an executable regular file. */	(void) memcpy(sbp, &sb, sizeof(struct stat));
if (!S_ISREG(sb.st_mode) \|\| !(sb.st_mode & 0000111)) {
errno = EACCES;
return NULL;
}	}

if (sbp != NULL)	debug_return_bool(rval);
(void) memcpy(sbp, &sb, sizeof(struct stat));
return (char *)path;
}	}