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-rw-r--r--auth-options.c77
1 files changed, 5 insertions, 72 deletions
diff --git a/auth-options.c b/auth-options.c
index b05d6d6f3c8a..90b0d7f25428 100644
--- a/auth-options.c
+++ b/auth-options.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: auth-options.c,v 1.84 2018/10/03 06:38:35 djm Exp $ */
+/* $OpenBSD: auth-options.c,v 1.89 2019/09/13 04:36:43 dtucker Exp $ */
/*
* Copyright (c) 2018 Damien Miller <djm@mindrot.org>
*
@@ -19,6 +19,7 @@
#include <sys/types.h>
+#include <stdlib.h>
#include <netdb.h>
#include <pwd.h>
#include <string.h>
@@ -39,75 +40,6 @@
#include "ssh2.h"
#include "auth-options.h"
-/*
- * Match flag 'opt' in *optsp, and if allow_negate is set then also match
- * 'no-opt'. Returns -1 if option not matched, 1 if option matches or 0
- * if negated option matches.
- * If the option or negated option matches, then *optsp is updated to
- * point to the first character after the option.
- */
-static int
-opt_flag(const char *opt, int allow_negate, const char **optsp)
-{
- size_t opt_len = strlen(opt);
- const char *opts = *optsp;
- int negate = 0;
-
- if (allow_negate && strncasecmp(opts, "no-", 3) == 0) {
- opts += 3;
- negate = 1;
- }
- if (strncasecmp(opts, opt, opt_len) == 0) {
- *optsp = opts + opt_len;
- return negate ? 0 : 1;
- }
- return -1;
-}
-
-static char *
-opt_dequote(const char **sp, const char **errstrp)
-{
- const char *s = *sp;
- char *ret;
- size_t i;
-
- *errstrp = NULL;
- if (*s != '"') {
- *errstrp = "missing start quote";
- return NULL;
- }
- s++;
- if ((ret = malloc(strlen((s)) + 1)) == NULL) {
- *errstrp = "memory allocation failed";
- return NULL;
- }
- for (i = 0; *s != '\0' && *s != '"';) {
- if (s[0] == '\\' && s[1] == '"')
- s++;
- ret[i++] = *s++;
- }
- if (*s == '\0') {
- *errstrp = "missing end quote";
- free(ret);
- return NULL;
- }
- ret[i] = '\0';
- s++;
- *sp = s;
- return ret;
-}
-
-static int
-opt_match(const char **opts, const char *term)
-{
- if (strncasecmp((*opts), term, strlen(term)) == 0 &&
- (*opts)[strlen(term)] == '=') {
- *opts += strlen(term) + 1;
- return 1;
- }
- return 0;
-}
-
static int
dup_strings(char ***dstp, size_t *ndstp, char **src, size_t nsrc)
{
@@ -320,7 +252,7 @@ handle_permit(const char **optsp, int allow_bare_port,
size_t npermits = *npermitsp;
const char *errstr = "unknown error";
- if (npermits > INT_MAX) {
+ if (npermits > SSH_AUTHOPT_PERMIT_MAX) {
*errstrp = "too many permission directives";
return -1;
}
@@ -332,7 +264,8 @@ handle_permit(const char **optsp, int allow_bare_port,
* Allow a bare port number in permitlisten to indicate a
* listen_host wildcard.
*/
- if (asprintf(&tmp, "*:%s", opt) < 0) {
+ if (asprintf(&tmp, "*:%s", opt) == -1) {
+ free(opt);
*errstrp = "memory allocation failed";
return -1;
}