Properly support IPv6 in LDAP URIs for IPA and LDAP providers

Add utility function to return IP address as string

Add a utility function to escape IPv6 address for use in URIs

Use escaped IP addresses in LDAP provider

Escape IPv6 IP addresses in the IPA provider

https://fedorahosted.org/sssd/ticket/880

Fix bad merge

We merged in a patch, but missed that it missed a dependency added
by another earlier patch.

1 files changed, 24 insertions, 0 deletions

diff --git a/src/resolv/async_resolv.c b/src/resolv/async_resolv.c
index ff53aa441..13232097f 100644
--- a/src/resolv/async_resolv.c
+++ b/src/resolv/async_resolv.c
@@ -648,6 +648,30 @@ resolv_gethostbyname_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx,
     return EOK;
 }
 
+char *
+resolv_get_string_address(TALLOC_CTX *mem_ctx, struct hostent *hostent)
+{
+    char *address;
+
+    if (!hostent) return NULL;
+
+    address = talloc_zero_size(mem_ctx, 128);
+    if (address == NULL) {
+        DEBUG(1, ("talloc_zero failed.\n"));
+        return NULL;
+    }
+
+    errno = 0;
+    if (inet_ntop(hostent->h_addrtype, hostent->h_addr_list[0],
+                  address, 128) == NULL) {
+        DEBUG(1, ("inet_ntop failed [%d][%s].\n", errno, strerror(errno)));
+        talloc_free(address);
+        return NULL;
+    }
+
+    return address;
+}
+
 static void
 ares_gethostbyname_wakeup(struct tevent_req *subreq)
 {