r24375: Implement backend for wbinfo --uid-infp (getpwuid)

(This used to be commit 760973856fbc3fc940c903bfa5bd82c51339f25c)

1 files changed, 202 insertions, 0 deletions

diff --git a/source4/winbind/wb_cmd_getpwuid.c b/source4/winbind/wb_cmd_getpwuid.c
new file mode 100644
index 0000000000..41379c7d65
--- /dev/null
+++ b/source4/winbind/wb_cmd_getpwuid.c
@@ -0,0 +1,202 @@
+/*
+   Unix SMB/CIFS implementation.
+
+   Backend for getpwuid
+
+   Copyright (C) Kai Blin 2007
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+#include "libcli/composite/composite.h"
+#include "winbind/wb_server.h"
+#include "winbind/wb_async_helpers.h"
+#include "winbind/wb_helper.h"
+#include "smbd/service_task.h"
+#include "nsswitch/winbindd_nss.h"
+#include "libnet/libnet_proto.h"
+#include "param/proto.h"
+#include "libcli/security/proto.h"
+#include "auth/credentials/credentials.h"
+
+struct cmd_getpwuid_state {
+	struct composite_context *ctx;
+	struct wbsrv_service *service;
+	uid_t uid;
+	char *workgroup;
+	struct wbsrv_domain *domain;
+
+	struct winbindd_pw *result;
+};
+
+static void cmd_getpwuid_recv_sid(struct composite_context *ctx);
+static void cmd_getpwuid_recv_domain(struct composite_context *ctx);
+static void cmd_getpwuid_recv_user_info(struct composite_context *ctx);
+static void cmd_getpwuid_recv_gid(struct composite_context *ctx);
+
+/* Get the SID using the uid */
+
+struct composite_context *wb_cmd_getpwuid_send(TALLOC_CTX *mem_ctx,
+						 struct wbsrv_service *service,
+						 uid_t uid)
+{
+	struct composite_context *ctx, *result;
+	struct cmd_getpwuid_state *state;
+
+	DEBUG(5, ("wb_cmd_getpwnam_send called\n"));
+
+	result = composite_create(mem_ctx, service->task->event_ctx);
+	if (!result) return NULL;
+
+	state = talloc(result, struct cmd_getpwuid_state);
+	if (composite_nomem(state, result)) return result;
+	state->ctx = result;
+	result->private_data = state;
+	state->service = service;
+	state->uid = uid;
+
+	ctx = wb_uid2sid_send(state, service, uid);
+	if (composite_nomem(ctx, state->ctx)) return result;
+
+	composite_continue(result, ctx, cmd_getpwuid_recv_sid, state);
+	return result;
+}
+
+
+/* Receive the sid and get the domain structure with it */
+
+static void cmd_getpwuid_recv_sid(struct composite_context *ctx)
+{
+	struct cmd_getpwuid_state *state =
+		talloc_get_type(ctx->async.private_data,
+				struct cmd_getpwuid_state);
+	struct dom_sid *sid;
+
+	DEBUG(5, ("cmd_getpwuid_recv_sid called %p\n", ctx->private_data));
+
+	state->ctx->status = wb_uid2sid_recv(ctx, state, &sid);
+	if (!composite_is_ok(state->ctx)) return;
+
+	ctx = wb_sid2domain_send(state, state->service, sid);
+
+	composite_continue(state->ctx, ctx, cmd_getpwuid_recv_domain, state);
+}
+
+/* Receive the domain struct and call libnet to get the user info struct */
+
+static void cmd_getpwuid_recv_domain(struct composite_context *ctx)
+{
+	struct cmd_getpwuid_state *state =
+		talloc_get_type(ctx->async.private_data,
+				struct cmd_getpwuid_state);
+	struct libnet_UserInfo *user_info;
+
+	DEBUG(5, ("cmd_getpwuid_recv_domain called\n"));
+
+	state->ctx->status = wb_sid2domain_recv(ctx, &state->domain);
+	if (!composite_is_ok(state->ctx)) return;
+
+	user_info = talloc(state, struct libnet_UserInfo);
+	if (composite_nomem(user_info, state->ctx)) return;
+
+	user_info->in.user_name = state->domain->libnet_ctx->cred->username;
+	user_info->in.domain_name = state->domain->libnet_ctx->samr.name;
+
+	/* We need the workgroup later, so copy it  */
+	state->workgroup = talloc_strdup(state,
+			state->domain->libnet_ctx->samr.name);
+
+	ctx = libnet_UserInfo_send(state->domain->libnet_ctx, state, user_info,
+			NULL);
+
+	composite_continue(state->ctx, ctx, cmd_getpwuid_recv_user_info, state);
+}
+
+/* Receive the user info struct and get the gid for the user */
+
+static void cmd_getpwuid_recv_user_info(struct composite_context *ctx)
+{
+	struct cmd_getpwuid_state *state =
+		talloc_get_type(ctx->async.private_data,
+				struct cmd_getpwuid_state);
+	struct libnet_UserInfo *user_info;
+	struct winbindd_pw *pw;
+
+	DEBUG(5, ("cmd_getpwuid_recv_user_info called\n"));
+
+	pw = talloc(state, struct winbindd_pw);
+	if (composite_nomem(pw, state->ctx)) return;
+
+	user_info = talloc(state, struct libnet_UserInfo);
+	if(composite_nomem(user_info, state->ctx)) return;
+
+	state->ctx->status = libnet_UserInfo_recv(ctx, state, user_info);
+	if (!composite_is_ok(state->ctx)) return;
+
+	WBSRV_SAMBA3_SET_STRING(pw->pw_name, user_info->out.account_name);
+	WBSRV_SAMBA3_SET_STRING(pw->pw_passwd, "*");
+	WBSRV_SAMBA3_SET_STRING(pw->pw_gecos, user_info->out.full_name);
+	WBSRV_SAMBA3_SET_STRING(pw->pw_dir, lp_template_homedir());
+	all_string_sub(pw->pw_dir, "%WORKGROUP%", state->workgroup,
+			sizeof(fstring) - 1);
+	all_string_sub(pw->pw_dir, "%ACCOUNTNAME%", user_info->out.account_name,
+			sizeof(fstring) - 1);
+	WBSRV_SAMBA3_SET_STRING(pw->pw_shell, lp_template_shell());
+
+	pw->pw_uid = state->uid;
+
+	state->result = pw;
+
+	ctx = wb_sid2gid_send(state, state->service,
+			user_info->out.primary_group_sid);
+
+	composite_continue(state->ctx, ctx, cmd_getpwuid_recv_gid, state);
+}
+
+static void cmd_getpwuid_recv_gid(struct composite_context *ctx)
+{
+	struct cmd_getpwuid_state *state =
+		talloc_get_type(ctx->async.private_data,
+				struct cmd_getpwuid_state);
+	gid_t gid;
+
+	DEBUG(5, ("cmd_getpwuid_recv_gid called\n"));
+
+	state->ctx->status = wb_sid2gid_recv(ctx, &gid);
+	if (!composite_is_ok(state->ctx)) return;
+
+	state->result->pw_gid = gid;
+
+	composite_done(state->ctx);
+}
+
+NTSTATUS wb_cmd_getpwuid_recv(struct composite_context *ctx,
+		TALLOC_CTX *mem_ctx, struct winbindd_pw **pw)
+{
+	NTSTATUS status = composite_wait(ctx);
+
+	DEBUG(5, ("wb_cmd_getpwnam_recv called\n"));
+
+	if (NT_STATUS_IS_OK(status)) {
+		struct cmd_getpwuid_state *state =
+			talloc_get_type(ctx->private_data,
+					struct cmd_getpwuid_state);
+		*pw = talloc_steal(mem_ctx, state->result);
+	}
+	talloc_free(ctx);
+	return status;
+
+}
+