static char command[PATH_MAX]; /* qualified filename */
char *n; /* for traversing path */
char *origpath; /* so we can free path later */
- char *result = NULL; /* result of path/file lookup */
- int checkdot = 0; /* check current dir? */
+ int found = FALSE; /* did we find the command? */
+ int checkdot = FALSE; /* check current dir? */
int len; /* length parameter */
debug_decl(find_path, SUDO_DEBUG_UTIL)
len = snprintf(command, sizeof(command), "%s/%s", path, infile);
if (len <= 0 || len >= sizeof(command))
errorx(1, _("%s: %s"), infile, strerror(ENAMETOOLONG));
- if ((result = sudo_goodpath(command, sbp)))
+ if ((found = sudo_goodpath(command, sbp)))
break;
path = n + 1;
/*
* Check current dir if dot was in the PATH
*/
- if (!result && checkdot) {
+ if (!found && checkdot) {
len = snprintf(command, sizeof(command), "./%s", infile);
if (len <= 0 || len >= sizeof(command))
errorx(1, _("%s: %s"), infile, strerror(ENAMETOOLONG));
- result = sudo_goodpath(command, sbp);
- if (result && ignore_dot)
+ found = sudo_goodpath(command, sbp);
+ if (found && ignore_dot)
debug_return_int(NOT_FOUND_DOT);
}
- if (result) {
- *outfile = result;
+ if (found) {
+ *outfile = command;
debug_return_int(FOUND);
} else
debug_return_int(NOT_FOUND);
/*
* Verify that path is a normal file and executable by root.
*/
-char *
+int
sudo_goodpath(const char *path, struct stat *sbp)
{
struct stat sb;
+ int rval = FALSE;
debug_decl(sudo_goodpath, SUDO_DEBUG_UTIL)
- /* Check for brain damage */
- if (path == NULL || path[0] == '\0')
- debug_return_str(NULL);
-
- if (stat(path, &sb))
- debug_return_str(NULL);
-
- /* Make sure path describes an executable regular file. */
- if (!S_ISREG(sb.st_mode) || !(sb.st_mode & 0000111)) {
- errno = EACCES;
- debug_return_str(NULL);
- }
-
- if (sbp != NULL)
+ if (path != NULL && stat(path, &sb) == 0) {
+ /* Make sure path describes an executable regular file. */
+ if (S_ISREG(sb.st_mode) && ISSET(sb.st_mode, 0111))
+ rval = TRUE;
+ else
+ errno = EACCES;
(void) memcpy(sbp, &sb, sizeof(struct stat));
+ }
- debug_return_str((char *)path);
+ debug_return_int(rval);
}
#define YY_DECL int yylex(void)
/* goodpath.c */
-char *sudo_goodpath(const char *, struct stat *);
+int sudo_goodpath(const char *, struct stat *);
/* findpath.c */
int find_path(char *, char **, struct stat *, char *, int);