wildwat stuff now works

This commit is contained in:
Todd C. Miller
1996-02-01 01:59:18 +00:00
parent d28ce94899
commit 7731bb261c

90
parse.c
View File

@@ -81,6 +81,12 @@ extern FILE *yyin, *yyout;
*/ */
int parse_error = FALSE; int parse_error = FALSE;
/*
* Prototypes for static (local) functions
*/
static int has_meta __P((char *));
static int compare_args __P((char *, char *));
/* /*
* this routine is called from the sudo.c module and tries to validate * this routine is called from the sudo.c module and tries to validate
* the user, host and command triplet. * the user, host and command triplet.
@@ -218,12 +224,14 @@ int path_matches(cmnd, path)
* else return false. * else return false.
*/ */
if (cmnd_st.st_dev == pst.st_dev && cmnd_st.st_ino == pst.st_ino) { if (cmnd_st.st_dev == pst.st_dev && cmnd_st.st_ino == pst.st_ino) {
if (!args) if (!args) {
return(TRUE); return(TRUE);
else if (cmnd_args && args) } else if (cmnd_args && args) {
return((strcmp(cmnd_args, args) == 0)); /* return((strcmp(cmnd_args, args) == 0)); */
else return(compare_args(args, cmnd_args));
} else {
return(FALSE); return(FALSE);
}
} else } else
return(FALSE); return(FALSE);
} }
@@ -341,3 +349,77 @@ int netgr_matches(netgr, host, user)
return(FALSE); return(FALSE);
#endif /* HAVE_INNETGR */ #endif /* HAVE_INNETGR */
} }
/*
* Does "s" have any meta characters in it?
*/
static int has_meta(s)
char *s;
{
register char *t;
for (t = s; *t; t++) {
if (*t == '\\' || *t == '?' || *t == '*' || *t == '[' || *t == ']')
return(TRUE);
}
return(FALSE);
}
/*
*
*/
static int compare_args(sudoers_args, user_args)
char *sudoers_args, *user_args;
{
if (has_meta(sudoers_args)) {
register char *s_a, *u_a, *s_save, *u_save, *s_a_next, *u_a_next;
/* XXX - shouldn't need to copy strings */
s_save = s_a_next = strdup(sudoers_args);
u_save = u_a_next = strdup(user_args);
/* XXX - use a saner loop */
for (;;) {
/* break if end of string */
if (!s_a_next || !u_a_next)
break;
/* go to next substring */
s_a = s_a_next;
u_a = u_a_next;
/* null-terminate end of substring if necesary */
if ((s_a_next = strchr(s_a_next, ' ')))
*s_a_next++ = '\0';
if ((u_a_next = strchr(u_a_next, ' ')))
*u_a_next++ = '\0';
/* XXX - split on non-escaped ',' to allow like: "*,!root"
* and keep longest match.
*/
if (wildmat(u_a, s_a) != 1) {
(void) free(s_save);
(void) free(u_save);
return(FALSE);
}
}
(void) free(s_save);
(void) free(u_save);
/* if full match both will be NULL */
if (s_a_next || u_a_next)
return(FALSE);
} else {
return((strcmp(sudoers_args, user_args) == 0));
}
return(TRUE);
}