Fix: IPv6 address with square brackets doesn't work.

https://fedorahosted.org/sssd/ticket/1365

2 files changed, 32 insertions, 0 deletions

diff --git a/src/util/util.c b/src/util/util.c
index f1aaebc2..b812ef1b 100644
--- a/src/util/util.c
+++ b/src/util/util.c
@@ -611,3 +611,26 @@ void to_sized_string(struct sized_string *out, const char *in)
     }
 }
 
+/* This function only removes first and last
+ * character if the first character was '['.
+ *
+ * NOTE: This means, that ipv6addr must NOT be followed
+ * by port number.
+ */
+errno_t
+remove_ipv6_brackets(char *ipv6addr)
+{
+    size_t len;
+
+    if (ipv6addr && ipv6addr[0] == '[') {
+        len = strlen(ipv6addr);
+        if (len < 3) {
+            return EINVAL;
+        }
+
+        memmove(ipv6addr, &ipv6addr[1], len - 2);
+        ipv6addr[len -2] = '\0';
+    }
+
+    return EOK;
+}
diff --git a/src/util/util.h b/src/util/util.h
index 7ff91af5..685702fc 100644
--- a/src/util/util.h
+++ b/src/util/util.h
@@ -516,6 +516,15 @@ errno_t sss_filter_sanitize(TALLOC_CTX *mem_ctx,
 char *
 sss_escape_ip_address(TALLOC_CTX *mem_ctx, int family, const char *addr);
 
+/* This function only removes first and last
+ * character if the first character was '['.
+ *
+ * NOTE: This means, that ipv6addr must NOT be followed
+ * by port number.
+ */
+errno_t
+remove_ipv6_brackets(char *ipv6addr);
+
 /* from sss_tc_utf8.c */
 char *
 sss_tc_utf8_str_tolower(TALLOC_CTX *mem_ctx, const char *s);