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ipmask_parse: Reject a full IPv6 address followed by ::.
[ircu2.10.12-pk.git]
/
ircd
/
ircd_string.c
diff --git
a/ircd/ircd_string.c
b/ircd/ircd_string.c
index b5b32cfc01dacc068e56e674910c6043322d6c4e..ed0349ea45fc20b1d8700cc80c355b82317c0603 100644
(file)
--- a/
ircd/ircd_string.c
+++ b/
ircd/ircd_string.c
@@
-578,6
+578,8
@@
ipmask_parse(const char *input, struct irc_in_addr *ip, unsigned char *pbits)
if (input[pos] == ':') {
if (colon < 8)
return 0;
if (input[pos] == ':') {
if (colon < 8)
return 0;
+ if (ii == 8)
+ return 0;
colon = ii;
pos++;
}
colon = ii;
pos++;
}
@@
-609,6
+611,8
@@
ipmask_parse(const char *input, struct irc_in_addr *ip, unsigned char *pbits)
while (input[++pos] == '*' || input[pos] == ':') ;
if (input[pos] != '\0' || colon < 8)
return 0;
while (input[++pos] == '*' || input[pos] == ':') ;
if (input[pos] != '\0' || colon < 8)
return 0;
+ if (part && ii < 8)
+ ip->in6_16[ii++] = htons(part);
if (pbits)
*pbits = ii * 16;
return pos;
if (pbits)
*pbits = ii * 16;
return pos;
@@
-622,6
+626,8
@@
ipmask_parse(const char *input, struct irc_in_addr *ip, unsigned char *pbits)
default:
return 0;
}
default:
return 0;
}
+ if (input[pos] != '\0')
+ return 0;
finish:
if (colon < 8) {
unsigned int jj;
finish:
if (colon < 8) {
unsigned int jj;