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-rw-r--r--source3/libads/authdata.c160
1 files changed, 160 insertions, 0 deletions
diff --git a/source3/libads/authdata.c b/source3/libads/authdata.c
index d61ffc2397..4610bcb59d 100644
--- a/source3/libads/authdata.c
+++ b/source3/libads/authdata.c
@@ -955,4 +955,164 @@ out:
return logon_info;
}
+/****************************************************************
+****************************************************************/
+
+ NTSTATUS kerberos_return_pac(TALLOC_CTX *mem_ctx,
+ const char *name,
+ const char *pass,
+ time_t time_offset,
+ PAC_DATA **pac_ret)
+{
+ krb5_error_code ret;
+ NTSTATUS status = NT_STATUS_INVALID_PARAMETER;
+ DATA_BLOB tkt, ap_rep, sesskey1, sesskey2;
+ PAC_DATA *pac_data = NULL;
+ char *client_princ_out = NULL;
+ const char *auth_princ = NULL;
+ const char *local_service = NULL;
+ const char *cc = "MEMORY:kerberos_return_pac";
+
+ ZERO_STRUCT(tkt);
+ ZERO_STRUCT(ap_rep);
+ ZERO_STRUCT(sesskey1);
+ ZERO_STRUCT(sesskey2);
+
+ if (!name || !pass) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ if (!strchr_m(name, '@')) {
+ auth_princ = talloc_asprintf(mem_ctx, "%s@%s", name,
+ lp_realm());
+ } else {
+ auth_princ = name;
+ }
+ NT_STATUS_HAVE_NO_MEMORY(auth_princ);
+
+ local_service = talloc_asprintf(mem_ctx, "%s$@%s",
+ global_myname(), lp_realm());
+ NT_STATUS_HAVE_NO_MEMORY(local_service);
+
+ ret = kerberos_kinit_password_ext(auth_princ,
+ pass,
+ time_offset,
+ NULL,
+ NULL,
+ cc,
+ True,
+ True,
+ 0,
+ &status);
+ if (ret) {
+ /* status already set */
+ goto out;
+ }
+
+ ret = cli_krb5_get_ticket(local_service,
+ time_offset,
+ &tkt,
+ &sesskey1,
+ 0,
+ cc,
+ NULL);
+ if (ret) {
+ status = krb5_to_nt_status(ret);
+ goto out;
+ }
+
+ status = ads_verify_ticket(mem_ctx,
+ lp_realm(),
+ time_offset,
+ &tkt,
+ &client_princ_out,
+ &pac_data,
+ &ap_rep,
+ &sesskey2,
+ False);
+ if (!NT_STATUS_IS_OK(status)) {
+ goto out;
+ }
+
+ if (!pac_data) {
+ status = NT_STATUS_INVALID_PARAMETER;
+ goto out;
+ }
+
+ *pac_ret = pac_data;
+
+out:
+ ads_kdestroy(cc);
+
+ data_blob_free(&tkt);
+ data_blob_free(&ap_rep);
+ data_blob_free(&sesskey1);
+ data_blob_free(&sesskey2);
+
+ SAFE_FREE(client_princ_out);
+
+ return status;
+}
+
+/****************************************************************
+****************************************************************/
+
+static NTSTATUS kerberos_return_pac_logon_info(TALLOC_CTX *mem_ctx,
+ const char *name,
+ const char *pass,
+ time_t time_offset,
+ PAC_LOGON_INFO **logon_info)
+{
+ NTSTATUS status;
+ PAC_DATA *pac_data = NULL;
+ PAC_LOGON_INFO *info = NULL;
+
+ status = kerberos_return_pac(mem_ctx,
+ name,
+ pass,
+ time_offset,
+ &pac_data);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+
+ if (!pac_data) {
+ return NT_STATUS_INVALID_USER_BUFFER;
+ }
+
+ info = get_logon_info_from_pac(pac_data);
+ if (!info) {
+ return NT_STATUS_INVALID_USER_BUFFER;
+ }
+
+ *logon_info = info;
+
+ return NT_STATUS_OK;
+}
+
+/****************************************************************
+****************************************************************/
+
+NTSTATUS kerberos_return_info3_from_pac(TALLOC_CTX *mem_ctx,
+ const char *name,
+ const char *pass,
+ time_t time_offset,
+ NET_USER_INFO_3 **info3)
+{
+ NTSTATUS status;
+ PAC_LOGON_INFO *logon_info = NULL;
+
+ status = kerberos_return_pac_logon_info(mem_ctx,
+ name,
+ pass,
+ time_offset,
+ &logon_info);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+
+ *info3 = &logon_info->info3;
+
+ return NT_STATUS_OK;
+}
#endif