/* 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 "libnet/libnet_proto.h" #include "param/param.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; struct dom_sid *sid; 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); DEBUG(5, ("cmd_getpwuid_recv_sid called %p\n", ctx->private_data)); state->ctx->status = wb_uid2sid_recv(ctx, state, &state->sid); if (!composite_is_ok(state->ctx)) return; ctx = wb_sid2domain_send(state, state->service, state->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.level = USER_INFO_BY_SID; user_info->in.data.user_sid = state->sid; 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); if (composite_nomem(state->workgroup, state->ctx)) return; 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(state->service->task->lp_ctx)); 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(state->service->task->lp_ctx)); 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; }