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authorVolker Lendecke <vl@samba.org>2010-01-24 16:44:15 +0100
committerVolker Lendecke <vl@samba.org>2010-01-24 20:32:16 +0100
commite879b50b32a86ca4392147ab5473766f74a61118 (patch)
treeaad7f5b15303d1e4c624794d750d009cb7879c59
parent6ba9bf004f966a217e705b69fd8c713391941929 (diff)
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libwbclient: Actually implement wbcCredentialCache()
-rw-r--r--nsswitch/libwbclient/wbc_pam.c128
1 files changed, 127 insertions, 1 deletions
diff --git a/nsswitch/libwbclient/wbc_pam.c b/nsswitch/libwbclient/wbc_pam.c
index 087db2e6c6..24b3ef653c 100644
--- a/nsswitch/libwbclient/wbc_pam.c
+++ b/nsswitch/libwbclient/wbc_pam.c
@@ -1117,7 +1117,133 @@ wbcErr wbcCredentialCache(struct wbcCredentialCacheParams *params,
struct wbcCredentialCacheInfo **info,
struct wbcAuthErrorInfo **error)
{
- return WBC_ERR_NOT_IMPLEMENTED;
+ wbcErr status = WBC_ERR_UNKNOWN_FAILURE;
+ struct wbcCredentialCacheInfo *result = NULL;
+ struct winbindd_request request;
+ struct winbindd_response response;
+ struct wbcNamedBlob *initial_blob = NULL;
+ struct wbcNamedBlob *challenge_blob = NULL;
+ int i;
+
+ ZERO_STRUCT(request);
+ ZERO_STRUCT(response);
+
+ if (info != NULL) {
+ *info = NULL;
+ }
+ if (error != NULL) {
+ *error = NULL;
+ }
+ if ((params == NULL)
+ || (params->account_name == NULL)
+ || (params->level != WBC_CREDENTIAL_CACHE_LEVEL_NTLMSSP)) {
+ status = WBC_ERR_INVALID_PARAM;
+ goto fail;
+ }
+
+ if (params->domain_name != NULL) {
+ status = wbcRequestResponse(WINBINDD_INFO, NULL, &response);
+ if (!WBC_ERROR_IS_OK(status)) {
+ goto fail;
+ }
+ snprintf(request.data.ccache_ntlm_auth.user,
+ sizeof(request.data.ccache_ntlm_auth.user)-1,
+ "%s%c%s", params->domain_name,
+ response.data.info.winbind_separator,
+ params->account_name);
+ } else {
+ strncpy(request.data.ccache_ntlm_auth.user,
+ params->account_name,
+ sizeof(request.data.ccache_ntlm_auth.user)-1);
+ }
+ request.data.ccache_ntlm_auth.uid = getuid();
+
+ for (i=0; i<params->num_blobs; i++) {
+ if (strcasecmp(params->blobs[i].name, "initial_blob") == 0) {
+ initial_blob = &params->blobs[i];
+ break;
+ }
+ if (strcasecmp(params->blobs[i].name, "challenge_blob") == 0) {
+ challenge_blob = &params->blobs[i];
+ break;
+ }
+ }
+
+ request.data.ccache_ntlm_auth.initial_blob_len = 0;
+ request.data.ccache_ntlm_auth.challenge_blob_len = 0;
+ request.extra_len = 0;
+
+ if (initial_blob != NULL) {
+ request.data.ccache_ntlm_auth.initial_blob_len =
+ initial_blob->blob.length;
+ request.extra_len += initial_blob->blob.length;
+ }
+ if (challenge_blob != NULL) {
+ request.data.ccache_ntlm_auth.challenge_blob_len =
+ challenge_blob->blob.length;
+ request.extra_len += challenge_blob->blob.length;
+ }
+
+ if (request.extra_len != 0) {
+ request.extra_data.data = talloc_array(
+ NULL, char, request.extra_len);
+ if (request.extra_data.data == NULL) {
+ status = WBC_ERR_NO_MEMORY;
+ goto fail;
+ }
+ }
+ if (initial_blob != NULL) {
+ memcpy(request.extra_data.data,
+ initial_blob->blob.data, initial_blob->blob.length);
+ }
+ if (challenge_blob != NULL) {
+ memcpy(request.extra_data.data
+ + request.data.ccache_ntlm_auth.initial_blob_len,
+ challenge_blob->blob.data,
+ challenge_blob->blob.length);
+ }
+
+ status = wbcRequestResponse(WINBINDD_CCACHE_NTLMAUTH, &request,
+ &response);
+ if (!WBC_ERROR_IS_OK(status)) {
+ goto fail;
+ }
+
+ result = talloc(NULL, struct wbcCredentialCacheInfo);
+ if (result == NULL) {
+ status = WBC_ERR_NO_MEMORY;
+ goto fail;
+ }
+ result->num_blobs = 0;
+ result->blobs = talloc(result, struct wbcNamedBlob);
+ if (result->blobs == NULL) {
+ status = WBC_ERR_NO_MEMORY;
+ goto fail;
+ }
+ status = wbcAddNamedBlob(&result->num_blobs, &result->blobs,
+ "auth_blob", 0,
+ (uint8_t *)response.extra_data.data,
+ response.data.ccache_ntlm_auth.auth_blob_len);
+ if (!WBC_ERROR_IS_OK(status)) {
+ goto fail;
+ }
+ status = wbcAddNamedBlob(
+ &result->num_blobs, &result->blobs, "session_key", 0,
+ response.data.ccache_ntlm_auth.session_key,
+ sizeof(response.data.ccache_ntlm_auth.session_key));
+ if (!WBC_ERROR_IS_OK(status)) {
+ goto fail;
+ }
+
+ winbindd_free_response(&response);
+ *info = result;
+ return WBC_ERR_SUCCESS;
+
+fail:
+ TALLOC_FREE(request.extra_data.data);
+ winbindd_free_response(&response);
+ talloc_free(result);
+ return status;
}
/* Authenticate a user with cached credentials */