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authoreindenbom <eindenbom@gmail.com>2010-07-09 18:03:37 +0400
committerStephen Gallagher <sgallagh@redhat.com>2010-07-09 11:44:07 -0400
commit1639954090616f9e868a083f358c87e381b3fb78 (patch)
tree899fd806586f20900c468926d38550527b19cddb /src/providers/ipa
parent056901f031d8df43ec4fc7e67bc43dd5d967de71 (diff)
downloadsssd-1639954090616f9e868a083f358c87e381b3fb78.tar.gz
sssd-1639954090616f9e868a083f358c87e381b3fb78.tar.xz
sssd-1639954090616f9e868a083f358c87e381b3fb78.zip
Use new LDAP connection framework in IPA dynamic DNS forwarder.
Diffstat (limited to 'src/providers/ipa')
-rw-r--r--src/providers/ipa/ipa_dyndns.c160
1 files changed, 122 insertions, 38 deletions
diff --git a/src/providers/ipa/ipa_dyndns.c b/src/providers/ipa/ipa_dyndns.c
index a86c69680..af942839f 100644
--- a/src/providers/ipa/ipa_dyndns.c
+++ b/src/providers/ipa/ipa_dyndns.c
@@ -51,6 +51,7 @@ struct ipa_ipaddress {
struct ipa_dyndns_ctx {
struct ipa_options *ipa_ctx;
+ struct sdap_id_op* sdap_op;
char *hostname;
struct ipa_ipaddress *addresses;
int child_status;
@@ -72,6 +73,10 @@ void ipa_dyndns_update(void *pvt)
tevent_req_set_callback(req, ipa_dyndns_update_done, req);
}
+static void ipa_dyndns_sdap_connect_done(struct tevent_req *subreq);
+static int ipa_dyndns_add_ldap_iface(struct ipa_dyndns_ctx *state,
+ struct sdap_handle *sh);
+static int ipa_dyndns_gss_tsig_update_step(struct tevent_req *req);
static struct tevent_req *
ipa_dyndns_gss_tsig_update_send(struct ipa_dyndns_ctx *ctx);
@@ -82,12 +87,8 @@ static struct tevent_req *
ipa_dyndns_update_send(struct ipa_options *ctx)
{
int ret;
- int fd;
char *iface;
- char *ipa_hostname;
struct ipa_dyndns_ctx *state;
- struct sockaddr sa;
- socklen_t sa_len = sizeof(sa);
struct ifaddrs *ifaces;
struct ifaddrs *ifa;
struct ipa_ipaddress *address;
@@ -140,42 +141,131 @@ ipa_dyndns_update_send(struct ipa_options *ctx)
}
freeifaddrs(ifaces);
- }
- else {
- /* Get the file descriptor for the primary LDAP connection */
- ret = get_fd_from_ldap(ctx->id_ctx->gsh->ldap, &fd);
+ ret = ipa_dyndns_gss_tsig_update_step(req);
if (ret != EOK) {
goto failed;
}
+ }
- ret = getsockname(fd, &sa, &sa_len);
- if (ret == -1) {
- DEBUG(0,("Failed to get socket name\n"));
+ else {
+ /* Detect DYNDNS interface from LDAP connection */
+ state->sdap_op = sdap_id_op_create(state, state->ipa_ctx->id_ctx->conn_cache);
+ if (!state->sdap_op) {
+ DEBUG(1, ("sdap_id_op_create failed\n"));
+ ret = ENOMEM;
goto failed;
}
- switch(sa.sa_family) {
- case AF_INET:
- case AF_INET6:
- address = talloc(state, struct ipa_ipaddress);
- if (!address) {
- goto failed;
- }
- address->addr = talloc_memdup(address, &sa,
- sizeof(struct sockaddr));
- if(address->addr == NULL) {
- goto failed;
- }
- DLIST_ADD(state->addresses, address);
- break;
- default:
- DEBUG(1, ("Connection to LDAP is neither IPv4 nor IPv6\n"));
- ret = EIO;
+ subreq = sdap_id_op_connect_send(state->sdap_op, state, &ret);
+ if (!subreq) {
+ DEBUG(1, ("sdap_id_op_connect_send failed: [%d](%s)\n",
+ ret, strerror(ret)));
+
goto failed;
}
+
+ tevent_req_set_callback(subreq, ipa_dyndns_sdap_connect_done, req);
+ }
+
+ return req;
+
+failed:
+ talloc_free(req);
+ return NULL;
+}
+
+static void ipa_dyndns_sdap_connect_done(struct tevent_req *subreq)
+{
+ struct tevent_req *req = tevent_req_callback_data(subreq, struct tevent_req);
+ struct ipa_dyndns_ctx *state = tevent_req_data(req, struct ipa_dyndns_ctx);
+ int ret, dp_error;
+
+ ret = sdap_id_op_connect_recv(subreq, &dp_error);
+ talloc_zfree(subreq);
+
+ if (ret != EOK) {
+ if (dp_error == DP_ERR_OFFLINE) {
+ DEBUG(9,("No LDAP server is available, dynamic DNS update is skipped in OFFLINE mode.\n"));
+ } else {
+ DEBUG(9,("Failed to connect to LDAP server: [%d](%s)\n",
+ ret, strerror(ret)));
+ }
+
+ goto failed;
+ }
+
+ ret = ipa_dyndns_add_ldap_iface(state, sdap_id_op_handle(state->sdap_op));
+ talloc_zfree(state->sdap_op);
+ if (ret != EOK) {
+ goto failed;
+ }
+
+ ret = ipa_dyndns_gss_tsig_update_step(req);
+ if (ret != EOK) {
+ goto failed;
+ }
+
+ return;
+
+failed:
+ tevent_req_error(req, ret);
+}
+
+static int ipa_dyndns_add_ldap_iface(struct ipa_dyndns_ctx *state,
+ struct sdap_handle *sh)
+{
+ int ret;
+ int fd;
+ struct ipa_ipaddress *address;
+ struct sockaddr sa;
+ socklen_t sa_len = sizeof(sa);
+
+ if (!sh) {
+ return EINVAL;
+ }
+
+ /* Get the file descriptor for the primary LDAP connection */
+ ret = get_fd_from_ldap(sh->ldap, &fd);
+ if (ret != EOK) {
+ return ret;
+ }
+
+ ret = getsockname(fd, &sa, &sa_len);
+ if (ret == -1) {
+ DEBUG(0,("Failed to get socket name\n"));
+ return errno;
+ }
+
+ switch(sa.sa_family) {
+ case AF_INET:
+ case AF_INET6:
+ address = talloc(state, struct ipa_ipaddress);
+ if (!address) {
+ return ENOMEM;
+ }
+ address->addr = talloc_memdup(address, &sa,
+ sizeof(struct sockaddr));
+ if(address->addr == NULL) {
+ talloc_zfree(address);
+ return ENOMEM;
+ }
+ DLIST_ADD(state->addresses, address);
+ break;
+ default:
+ DEBUG(1, ("Connection to LDAP is neither IPv4 nor IPv6\n"));
+ return EIO;
}
+ return EOK;
+}
+
+static int ipa_dyndns_gss_tsig_update_step(struct tevent_req *req)
+{
+ struct ipa_dyndns_ctx *state = tevent_req_data(req, struct ipa_dyndns_ctx);
+ char *ipa_hostname;
+ struct tevent_req *subreq;
+
/* Get the IPA hostname */
ipa_hostname = dp_opt_get_string(state->ipa_ctx->basic,
IPA_HOSTNAME);
@@ -183,14 +273,12 @@ ipa_dyndns_update_send(struct ipa_options *ctx)
/* This should never happen, but we'll protect
* against it anyway.
*/
- talloc_free(req);
- return NULL;
+ return EINVAL;
}
state->hostname = talloc_strdup(state, ipa_hostname);
if(state->hostname == NULL) {
- talloc_free(req);
- return NULL;
+ return ENOMEM;
}
/* In the future, it might be best to check that an update
@@ -200,16 +288,12 @@ ipa_dyndns_update_send(struct ipa_options *ctx)
*/
subreq = ipa_dyndns_gss_tsig_update_send(state);
if(subreq == NULL) {
- tevent_req_error(req, EIO);
+ return ENOMEM;
}
tevent_req_set_callback(subreq,
ipa_dyndns_gss_tsig_update_done,
req);
- return req;
-
-failed:
- talloc_free(req);
- return NULL;
+ return EOK;
}
struct ipa_nsupdate_ctx {