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-rw-r--r--Changes1
-rw-r--r--src/users.c16
2 files changed, 15 insertions, 2 deletions
diff --git a/Changes b/Changes
index 9ceb4e40b..7da224c26 100644
--- a/Changes
+++ b/Changes
@@ -18,6 +18,7 @@ Provided by illu. <illu@rs2i.net> - 2006
01/25 F Updated the french language file. [ #00]
Provided by Trystan <trystan@nomadirc.net> - 2006
+02/23 F Usermatching possible null arg on sstrdup. [ #00]
02/12 F Double unbanning of in certain conditions. [ #00]
01/25 F va_copy issue for various platforms. [ #00]
diff --git a/src/users.c b/src/users.c
index d62fba853..c8abab7c3 100644
--- a/src/users.c
+++ b/src/users.c
@@ -977,10 +977,16 @@ int is_excepted_mask(ChannelInfo * ci, char *mask)
int match_usermask(const char *mask, User * user)
{
- char *mask2 = sstrdup(mask);
+ char *mask2;
char *nick, *username, *host;
int result;
+ if (!mask || !*mask) {
+ return 0;
+ }
+
+ mask2 = sstrdup(mask);
+
if (strchr(mask2, '!')) {
nick = strtok(mask2, "!");
username = strtok(NULL, "@");
@@ -1016,10 +1022,16 @@ int match_usermask(const char *mask, User * user)
int match_userip(const char *mask, User * user, char *iphost)
{
- char *mask2 = sstrdup(mask);
+ char *mask2;
char *nick, *username, *host;
int result;
+ if (!mask || !*mask) {
+ return 0;
+ }
+
+ mask2 = sstrdup(mask);
+
if (strchr(mask2, '!')) {
nick = strtok(mask2, "!");
username = strtok(NULL, "@");