summaryrefslogtreecommitdiffstats
path: root/source4/libnet/userman.c
diff options
context:
space:
mode:
Diffstat (limited to 'source4/libnet/userman.c')
-rw-r--r--source4/libnet/userman.c922
1 files changed, 922 insertions, 0 deletions
diff --git a/source4/libnet/userman.c b/source4/libnet/userman.c
new file mode 100644
index 0000000..9e76364
--- /dev/null
+++ b/source4/libnet/userman.c
@@ -0,0 +1,922 @@
+/*
+ Unix SMB/CIFS implementation.
+
+ Copyright (C) Rafal Szczesniak 2005
+
+ 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/>.
+*/
+
+/*
+ a composite functions for user management operations (add/del/chg)
+*/
+
+#include "includes.h"
+#include "libcli/composite/composite.h"
+#include "libnet/libnet.h"
+#include "librpc/gen_ndr/ndr_samr_c.h"
+
+/*
+ * Composite USER ADD functionality
+ */
+
+struct useradd_state {
+ struct dcerpc_binding_handle *binding_handle;
+ struct policy_handle domain_handle;
+ struct samr_CreateUser createuser;
+ struct policy_handle user_handle;
+ uint32_t user_rid;
+
+ /* information about the progress */
+ void (*monitor_fn)(struct monitor_msg *);
+};
+
+
+static void continue_useradd_create(struct tevent_req *subreq);
+
+
+/**
+ * Stage 1 (and the only one for now): Create user account.
+ */
+static void continue_useradd_create(struct tevent_req *subreq)
+{
+ struct composite_context *c;
+ struct useradd_state *s;
+
+ c = tevent_req_callback_data(subreq, struct composite_context);
+ s = talloc_get_type(c->private_data, struct useradd_state);
+
+ /* check rpc layer status code */
+ c->status = dcerpc_samr_CreateUser_r_recv(subreq, s);
+ TALLOC_FREE(subreq);
+ if (!composite_is_ok(c)) return;
+
+ /* check create user call status code */
+ c->status = s->createuser.out.result;
+
+ /* get created user account data */
+ s->user_handle = *s->createuser.out.user_handle;
+ s->user_rid = *s->createuser.out.rid;
+
+ /* issue a monitor message */
+ if (s->monitor_fn) {
+ struct monitor_msg msg;
+ struct msg_rpc_create_user rpc_create;
+
+ rpc_create.rid = *s->createuser.out.rid;
+
+ msg.type = mon_SamrCreateUser;
+ msg.data = (void*)&rpc_create;
+ msg.data_size = sizeof(rpc_create);
+
+ s->monitor_fn(&msg);
+ }
+
+ composite_done(c);
+}
+
+
+/**
+ * Sends asynchronous useradd request
+ *
+ * @param p dce/rpc call pipe
+ * @param io arguments and results of the call
+ * @param monitor monitor function for providing information about the progress
+ */
+
+struct composite_context *libnet_rpc_useradd_send(TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct dcerpc_binding_handle *b,
+ struct libnet_rpc_useradd *io,
+ void (*monitor)(struct monitor_msg*))
+{
+ struct composite_context *c;
+ struct useradd_state *s;
+ struct tevent_req *subreq;
+
+ if (!b || !io) return NULL;
+
+ /* composite allocation and setup */
+ c = composite_create(mem_ctx, ev);
+ if (c == NULL) return NULL;
+
+ s = talloc_zero(c, struct useradd_state);
+ if (composite_nomem(s, c)) return c;
+
+ c->private_data = s;
+
+ /* put passed arguments to the state structure */
+ s->domain_handle = io->in.domain_handle;
+ s->binding_handle= b;
+ s->monitor_fn = monitor;
+
+ /* preparing parameters to send rpc request */
+ s->createuser.in.domain_handle = &io->in.domain_handle;
+
+ s->createuser.in.account_name = talloc_zero(c, struct lsa_String);
+ if (composite_nomem(s->createuser.in.account_name, c)) return c;
+
+ s->createuser.in.account_name->string = talloc_strdup(c, io->in.username);
+ if (composite_nomem(s->createuser.in.account_name->string, c)) return c;
+
+ s->createuser.out.user_handle = &s->user_handle;
+ s->createuser.out.rid = &s->user_rid;
+
+ /* send the request */
+ subreq = dcerpc_samr_CreateUser_r_send(s, c->event_ctx,
+ s->binding_handle,
+ &s->createuser);
+ if (composite_nomem(subreq, c)) return c;
+
+ tevent_req_set_callback(subreq, continue_useradd_create, c);
+ return c;
+}
+
+
+/**
+ * Waits for and receives result of asynchronous useradd call
+ *
+ * @param c composite context returned by asynchronous useradd call
+ * @param mem_ctx memory context of the call
+ * @param io pointer to results (and arguments) of the call
+ * @return nt status code of execution
+ */
+
+NTSTATUS libnet_rpc_useradd_recv(struct composite_context *c, TALLOC_CTX *mem_ctx,
+ struct libnet_rpc_useradd *io)
+{
+ NTSTATUS status;
+ struct useradd_state *s;
+
+ status = composite_wait(c);
+
+ if (NT_STATUS_IS_OK(status) && io) {
+ /* get and return result of the call */
+ s = talloc_get_type(c->private_data, struct useradd_state);
+ io->out.user_handle = s->user_handle;
+ }
+
+ talloc_free(c);
+ return status;
+}
+
+
+/**
+ * Synchronous version of useradd call
+ *
+ * @param pipe dce/rpc call pipe
+ * @param mem_ctx memory context for the call
+ * @param io arguments and results of the call
+ * @return nt status code of execution
+ */
+
+NTSTATUS libnet_rpc_useradd(struct tevent_context *ev,
+ struct dcerpc_binding_handle *b,
+ TALLOC_CTX *mem_ctx,
+ struct libnet_rpc_useradd *io)
+{
+ struct composite_context *c = libnet_rpc_useradd_send(mem_ctx, ev, b, io, NULL);
+ return libnet_rpc_useradd_recv(c, mem_ctx, io);
+}
+
+
+
+/*
+ * Composite USER DELETE functionality
+ */
+
+
+struct userdel_state {
+ struct dcerpc_binding_handle *binding_handle;
+ struct policy_handle domain_handle;
+ struct policy_handle user_handle;
+ struct samr_LookupNames lookupname;
+ struct samr_OpenUser openuser;
+ struct samr_DeleteUser deleteuser;
+
+ /* information about the progress */
+ void (*monitor_fn)(struct monitor_msg *);
+};
+
+
+static void continue_userdel_name_found(struct tevent_req *subreq);
+static void continue_userdel_user_opened(struct tevent_req *subreq);
+static void continue_userdel_deleted(struct tevent_req *subreq);
+
+
+/**
+ * Stage 1: Lookup the user name and resolve it to rid
+ */
+static void continue_userdel_name_found(struct tevent_req *subreq)
+{
+ struct composite_context *c;
+ struct userdel_state *s;
+ struct monitor_msg msg;
+
+ c = tevent_req_callback_data(subreq, struct composite_context);
+ s = talloc_get_type(c->private_data, struct userdel_state);
+
+ /* receive samr_LookupNames result */
+ c->status = dcerpc_samr_LookupNames_r_recv(subreq, s);
+ TALLOC_FREE(subreq);
+ if (!composite_is_ok(c)) return;
+
+ c->status = s->lookupname.out.result;
+ if (!NT_STATUS_IS_OK(c->status)) {
+ composite_error(c, c->status);
+ return;
+ }
+
+ /* what to do when there's no user account to delete
+ and what if there's more than one rid resolved */
+ if (s->lookupname.out.rids->count != s->lookupname.in.num_names) {
+ composite_error(c, NT_STATUS_INVALID_NETWORK_RESPONSE);
+ return;
+ }
+ if (s->lookupname.out.types->count != s->lookupname.in.num_names) {
+ composite_error(c, NT_STATUS_INVALID_NETWORK_RESPONSE);
+ return;
+ }
+
+ /* issue a monitor message */
+ if (s->monitor_fn) {
+ struct msg_rpc_lookup_name msg_lookup;
+
+ msg_lookup.rid = s->lookupname.out.rids->ids;
+ msg_lookup.count = s->lookupname.out.rids->count;
+
+ msg.type = mon_SamrLookupName;
+ msg.data = (void*)&msg_lookup;
+ msg.data_size = sizeof(msg_lookup);
+ s->monitor_fn(&msg);
+ }
+
+ /* prepare the arguments for rpc call */
+ s->openuser.in.domain_handle = &s->domain_handle;
+ s->openuser.in.rid = s->lookupname.out.rids->ids[0];
+ s->openuser.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
+ s->openuser.out.user_handle = &s->user_handle;
+
+ /* send rpc request */
+ subreq = dcerpc_samr_OpenUser_r_send(s, c->event_ctx,
+ s->binding_handle,
+ &s->openuser);
+ if (composite_nomem(subreq, c)) return;
+
+ tevent_req_set_callback(subreq, continue_userdel_user_opened, c);
+}
+
+
+/**
+ * Stage 2: Open user account.
+ */
+static void continue_userdel_user_opened(struct tevent_req *subreq)
+{
+ struct composite_context *c;
+ struct userdel_state *s;
+ struct monitor_msg msg;
+
+ c = tevent_req_callback_data(subreq, struct composite_context);
+ s = talloc_get_type(c->private_data, struct userdel_state);
+
+ /* receive samr_OpenUser result */
+ c->status = dcerpc_samr_OpenUser_r_recv(subreq, s);
+ TALLOC_FREE(subreq);
+ if (!composite_is_ok(c)) return;
+
+ c->status = s->openuser.out.result;
+ if (!NT_STATUS_IS_OK(c->status)) {
+ composite_error(c, c->status);
+ return;
+ }
+
+ /* issue a monitor message */
+ if (s->monitor_fn) {
+ struct msg_rpc_open_user msg_open;
+
+ msg_open.rid = s->openuser.in.rid;
+ msg_open.access_mask = s->openuser.in.access_mask;
+
+ msg.type = mon_SamrOpenUser;
+ msg.data = (void*)&msg_open;
+ msg.data_size = sizeof(msg_open);
+ s->monitor_fn(&msg);
+ }
+
+ /* prepare the final rpc call arguments */
+ s->deleteuser.in.user_handle = &s->user_handle;
+ s->deleteuser.out.user_handle = &s->user_handle;
+
+ /* send rpc request */
+ subreq = dcerpc_samr_DeleteUser_r_send(s, c->event_ctx,
+ s->binding_handle,
+ &s->deleteuser);
+ if (composite_nomem(subreq, c)) return;
+
+ /* callback handler setup */
+ tevent_req_set_callback(subreq, continue_userdel_deleted, c);
+}
+
+
+/**
+ * Stage 3: Delete user account
+ */
+static void continue_userdel_deleted(struct tevent_req *subreq)
+{
+ struct composite_context *c;
+ struct userdel_state *s;
+ struct monitor_msg msg;
+
+ c = tevent_req_callback_data(subreq, struct composite_context);
+ s = talloc_get_type(c->private_data, struct userdel_state);
+
+ /* receive samr_DeleteUser result */
+ c->status = dcerpc_samr_DeleteUser_r_recv(subreq, s);
+ TALLOC_FREE(subreq);
+ if (!composite_is_ok(c)) return;
+
+ /* return the actual function call status */
+ c->status = s->deleteuser.out.result;
+ if (!NT_STATUS_IS_OK(c->status)) {
+ composite_error(c, c->status);
+ return;
+ }
+
+ /* issue a monitor message */
+ if (s->monitor_fn) {
+ msg.type = mon_SamrDeleteUser;
+ msg.data = NULL;
+ msg.data_size = 0;
+ s->monitor_fn(&msg);
+ }
+
+ composite_done(c);
+}
+
+
+/**
+ * Sends asynchronous userdel request
+ *
+ * @param p dce/rpc call pipe
+ * @param io arguments and results of the call
+ * @param monitor monitor function for providing information about the progress
+ */
+
+struct composite_context *libnet_rpc_userdel_send(TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct dcerpc_binding_handle *b,
+ struct libnet_rpc_userdel *io,
+ void (*monitor)(struct monitor_msg*))
+{
+ struct composite_context *c;
+ struct userdel_state *s;
+ struct tevent_req *subreq;
+
+ /* composite context allocation and setup */
+ c = composite_create(mem_ctx, ev);
+ if (c == NULL) return NULL;
+
+ s = talloc_zero(c, struct userdel_state);
+ if (composite_nomem(s, c)) return c;
+
+ c->private_data = s;
+
+ /* store function parameters in the state structure */
+ s->binding_handle= b;
+ s->domain_handle = io->in.domain_handle;
+ s->monitor_fn = monitor;
+
+ /* preparing parameters to send rpc request */
+ s->lookupname.in.domain_handle = &io->in.domain_handle;
+ s->lookupname.in.num_names = 1;
+ s->lookupname.in.names = talloc_zero(s, struct lsa_String);
+ s->lookupname.in.names->string = io->in.username;
+ s->lookupname.out.rids = talloc_zero(s, struct samr_Ids);
+ s->lookupname.out.types = talloc_zero(s, struct samr_Ids);
+ if (composite_nomem(s->lookupname.out.rids, c)) return c;
+ if (composite_nomem(s->lookupname.out.types, c)) return c;
+
+ /* send the request */
+ subreq = dcerpc_samr_LookupNames_r_send(s, c->event_ctx,
+ s->binding_handle,
+ &s->lookupname);
+ if (composite_nomem(subreq, c)) return c;
+
+ /* set the next stage */
+ tevent_req_set_callback(subreq, continue_userdel_name_found, c);
+ return c;
+}
+
+
+/**
+ * Waits for and receives results of asynchronous userdel call
+ *
+ * @param c composite context returned by asynchronous userdel call
+ * @param mem_ctx memory context of the call
+ * @param io pointer to results (and arguments) of the call
+ * @return nt status code of execution
+ */
+
+NTSTATUS libnet_rpc_userdel_recv(struct composite_context *c, TALLOC_CTX *mem_ctx,
+ struct libnet_rpc_userdel *io)
+{
+ NTSTATUS status;
+ struct userdel_state *s;
+
+ status = composite_wait(c);
+
+ if (NT_STATUS_IS_OK(status) && io) {
+ s = talloc_get_type(c->private_data, struct userdel_state);
+ io->out.user_handle = s->user_handle;
+ }
+
+ talloc_free(c);
+ return status;
+}
+
+
+/**
+ * Synchronous version of userdel call
+ *
+ * @param pipe dce/rpc call pipe
+ * @param mem_ctx memory context for the call
+ * @param io arguments and results of the call
+ * @return nt status code of execution
+ */
+
+NTSTATUS libnet_rpc_userdel(struct tevent_context *ev,
+ struct dcerpc_binding_handle *b,
+ TALLOC_CTX *mem_ctx,
+ struct libnet_rpc_userdel *io)
+{
+ struct composite_context *c = libnet_rpc_userdel_send(mem_ctx, ev, b, io, NULL);
+ return libnet_rpc_userdel_recv(c, mem_ctx, io);
+}
+
+
+/*
+ * USER MODIFY functionality
+ */
+
+static void continue_usermod_name_found(struct tevent_req *subreq);
+static void continue_usermod_user_opened(struct tevent_req *subreq);
+static void continue_usermod_user_queried(struct tevent_req *subreq);
+static void continue_usermod_user_changed(struct tevent_req *subreq);
+
+
+struct usermod_state {
+ struct dcerpc_binding_handle *binding_handle;
+ struct policy_handle domain_handle;
+ struct policy_handle user_handle;
+ struct usermod_change change;
+ union samr_UserInfo info;
+ struct samr_LookupNames lookupname;
+ struct samr_OpenUser openuser;
+ struct samr_SetUserInfo setuser;
+ struct samr_QueryUserInfo queryuser;
+
+ /* information about the progress */
+ void (*monitor_fn)(struct monitor_msg *);
+};
+
+
+/**
+ * Step 1: Lookup user name
+ */
+static void continue_usermod_name_found(struct tevent_req *subreq)
+{
+ struct composite_context *c;
+ struct usermod_state *s;
+ struct monitor_msg msg;
+
+ c = tevent_req_callback_data(subreq, struct composite_context);
+ s = talloc_get_type(c->private_data, struct usermod_state);
+
+ /* receive samr_LookupNames result */
+ c->status = dcerpc_samr_LookupNames_r_recv(subreq, s);
+ TALLOC_FREE(subreq);
+ if (!composite_is_ok(c)) return;
+
+ c->status = s->lookupname.out.result;
+ if (!NT_STATUS_IS_OK(c->status)) {
+ composite_error(c, c->status);
+ return;
+ }
+
+ /* what to do when there's no user account to delete
+ and what if there's more than one rid resolved */
+ if (s->lookupname.out.rids->count != s->lookupname.in.num_names) {
+ composite_error(c, NT_STATUS_INVALID_NETWORK_RESPONSE);
+ return;
+ }
+ if (s->lookupname.out.types->count != s->lookupname.in.num_names) {
+ composite_error(c, NT_STATUS_INVALID_NETWORK_RESPONSE);
+ return;
+ }
+
+ /* issue a monitor message */
+ if (s->monitor_fn) {
+ struct msg_rpc_lookup_name msg_lookup;
+
+ msg_lookup.rid = s->lookupname.out.rids->ids;
+ msg_lookup.count = s->lookupname.out.rids->count;
+
+ msg.type = mon_SamrLookupName;
+ msg.data = (void*)&msg_lookup;
+ msg.data_size = sizeof(msg_lookup);
+ s->monitor_fn(&msg);
+ }
+
+ /* prepare the next rpc call */
+ s->openuser.in.domain_handle = &s->domain_handle;
+ s->openuser.in.rid = s->lookupname.out.rids->ids[0];
+ s->openuser.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
+ s->openuser.out.user_handle = &s->user_handle;
+
+ /* send the rpc request */
+ subreq = dcerpc_samr_OpenUser_r_send(s, c->event_ctx,
+ s->binding_handle,
+ &s->openuser);
+ if (composite_nomem(subreq, c)) return;
+
+ tevent_req_set_callback(subreq, continue_usermod_user_opened, c);
+}
+
+
+/**
+ * Choose a proper level of samr_UserInfo structure depending on required
+ * change specified by means of flags field. Subsequent calls of this
+ * function are made until there's no flags set meaning that all of the
+ * changes have been made.
+ */
+static bool usermod_setfields(struct usermod_state *s, uint16_t *level,
+ union samr_UserInfo *i, bool queried)
+{
+ if (s->change.fields == 0) return s->change.fields;
+
+ *level = 0;
+
+ if ((s->change.fields & USERMOD_FIELD_ACCOUNT_NAME) &&
+ (*level == 0 || *level == 7)) {
+ *level = 7;
+ i->info7.account_name.string = s->change.account_name;
+
+ s->change.fields ^= USERMOD_FIELD_ACCOUNT_NAME;
+ }
+
+ if ((s->change.fields & USERMOD_FIELD_FULL_NAME) &&
+ (*level == 0 || *level == 8)) {
+ *level = 8;
+ i->info8.full_name.string = s->change.full_name;
+
+ s->change.fields ^= USERMOD_FIELD_FULL_NAME;
+ }
+
+ if ((s->change.fields & USERMOD_FIELD_DESCRIPTION) &&
+ (*level == 0 || *level == 13)) {
+ *level = 13;
+ i->info13.description.string = s->change.description;
+
+ s->change.fields ^= USERMOD_FIELD_DESCRIPTION;
+ }
+
+ if ((s->change.fields & USERMOD_FIELD_COMMENT) &&
+ (*level == 0 || *level == 2)) {
+ *level = 2;
+
+ if (queried) {
+ /* the user info is obtained, so now set the required field */
+ i->info2.comment.string = s->change.comment;
+ s->change.fields ^= USERMOD_FIELD_COMMENT;
+
+ } else {
+ /* we need to query the user info before setting one field in it */
+ return false;
+ }
+ }
+
+ if ((s->change.fields & USERMOD_FIELD_LOGON_SCRIPT) &&
+ (*level == 0 || *level == 11)) {
+ *level = 11;
+ i->info11.logon_script.string = s->change.logon_script;
+
+ s->change.fields ^= USERMOD_FIELD_LOGON_SCRIPT;
+ }
+
+ if ((s->change.fields & USERMOD_FIELD_PROFILE_PATH) &&
+ (*level == 0 || *level == 12)) {
+ *level = 12;
+ i->info12.profile_path.string = s->change.profile_path;
+
+ s->change.fields ^= USERMOD_FIELD_PROFILE_PATH;
+ }
+
+ if ((s->change.fields & USERMOD_FIELD_HOME_DIRECTORY) &&
+ (*level == 0 || *level == 10)) {
+ *level = 10;
+
+ if (queried) {
+ i->info10.home_directory.string = s->change.home_directory;
+ s->change.fields ^= USERMOD_FIELD_HOME_DIRECTORY;
+ } else {
+ return false;
+ }
+ }
+
+ if ((s->change.fields & USERMOD_FIELD_HOME_DRIVE) &&
+ (*level == 0 || *level == 10)) {
+ *level = 10;
+
+ if (queried) {
+ i->info10.home_drive.string = s->change.home_drive;
+ s->change.fields ^= USERMOD_FIELD_HOME_DRIVE;
+ } else {
+ return false;
+ }
+ }
+
+ if ((s->change.fields & USERMOD_FIELD_ACCT_EXPIRY) &&
+ (*level == 0 || *level == 17)) {
+ *level = 17;
+ i->info17.acct_expiry = timeval_to_nttime(s->change.acct_expiry);
+
+ s->change.fields ^= USERMOD_FIELD_ACCT_EXPIRY;
+ }
+
+ if ((s->change.fields & USERMOD_FIELD_ACCT_FLAGS) &&
+ (*level == 0 || *level == 16)) {
+ *level = 16;
+ i->info16.acct_flags = s->change.acct_flags;
+
+ s->change.fields ^= USERMOD_FIELD_ACCT_FLAGS;
+ }
+
+ /* We're going to be here back again soon unless all fields have been set */
+ return true;
+}
+
+
+static NTSTATUS usermod_change(struct composite_context *c,
+ struct usermod_state *s)
+{
+ bool do_set;
+ union samr_UserInfo *i = &s->info;
+ struct tevent_req *subreq;
+
+ /* set the level to invalid value, so that unless setfields routine
+ gives it a valid value we report the error correctly */
+ uint16_t level = 27;
+
+ /* prepare UserInfo level and data based on bitmask field */
+ do_set = usermod_setfields(s, &level, i, false);
+
+ if (level < 1 || level > 26) {
+ /* apparently there's a field that the setfields routine
+ does not know how to set */
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ /* If some specific level is used to set user account data and the change
+ itself does not cover all fields then we need to query the user info
+ first, right before changing the data. Otherwise we could set required
+ fields and accidentally reset the others.
+ */
+ if (!do_set) {
+ s->queryuser.in.user_handle = &s->user_handle;
+ s->queryuser.in.level = level;
+ s->queryuser.out.info = talloc(s, union samr_UserInfo *);
+ if (composite_nomem(s->queryuser.out.info, c)) return NT_STATUS_NO_MEMORY;
+
+
+ /* send query user info request to retrieve complete data of
+ a particular info level */
+ subreq = dcerpc_samr_QueryUserInfo_r_send(s, c->event_ctx,
+ s->binding_handle,
+ &s->queryuser);
+ if (composite_nomem(subreq, c)) return NT_STATUS_NO_MEMORY;
+ tevent_req_set_callback(subreq, continue_usermod_user_queried, c);
+
+ } else {
+ s->setuser.in.user_handle = &s->user_handle;
+ s->setuser.in.level = level;
+ s->setuser.in.info = i;
+
+ /* send set user info request after making required change */
+ subreq = dcerpc_samr_SetUserInfo_r_send(s, c->event_ctx,
+ s->binding_handle,
+ &s->setuser);
+ if (composite_nomem(subreq, c)) return NT_STATUS_NO_MEMORY;
+ tevent_req_set_callback(subreq, continue_usermod_user_changed, c);
+ }
+
+ return NT_STATUS_OK;
+}
+
+
+/**
+ * Stage 2: Open user account
+ */
+static void continue_usermod_user_opened(struct tevent_req *subreq)
+{
+ struct composite_context *c;
+ struct usermod_state *s;
+
+ c = tevent_req_callback_data(subreq, struct composite_context);
+ s = talloc_get_type(c->private_data, struct usermod_state);
+
+ c->status = dcerpc_samr_OpenUser_r_recv(subreq, s);
+ TALLOC_FREE(subreq);
+ if (!composite_is_ok(c)) return;
+
+ c->status = s->openuser.out.result;
+ if (!NT_STATUS_IS_OK(c->status)) {
+ composite_error(c, c->status);
+ return;
+ }
+
+ c->status = usermod_change(c, s);
+}
+
+
+/**
+ * Stage 2a (optional): Query the user information
+ */
+static void continue_usermod_user_queried(struct tevent_req *subreq)
+{
+ struct composite_context *c;
+ struct usermod_state *s;
+ union samr_UserInfo *i;
+ uint16_t level = 0;
+
+ c = tevent_req_callback_data(subreq, struct composite_context);
+ s = talloc_get_type(c->private_data, struct usermod_state);
+
+ i = &s->info;
+
+ /* receive samr_QueryUserInfo result */
+ c->status = dcerpc_samr_QueryUserInfo_r_recv(subreq, s);
+ TALLOC_FREE(subreq);
+ if (!composite_is_ok(c)) return;
+
+ c->status = s->queryuser.out.result;
+ if (!NT_STATUS_IS_OK(c->status)) {
+ composite_error(c, c->status);
+ return;
+ }
+
+ /* get returned user data and make a change (potentially one
+ of many) */
+ s->info = *(*s->queryuser.out.info);
+
+ usermod_setfields(s, &level, i, true);
+
+ /* prepare rpc call arguments */
+ s->setuser.in.user_handle = &s->user_handle;
+ s->setuser.in.level = level;
+ s->setuser.in.info = i;
+
+ /* send the rpc request */
+ subreq = dcerpc_samr_SetUserInfo_r_send(s, c->event_ctx,
+ s->binding_handle,
+ &s->setuser);
+ if (composite_nomem(subreq, c)) return;
+ tevent_req_set_callback(subreq, continue_usermod_user_changed, c);
+}
+
+
+/**
+ * Stage 3: Set new user account data
+ */
+static void continue_usermod_user_changed(struct tevent_req *subreq)
+{
+ struct composite_context *c;
+ struct usermod_state *s;
+
+ c = tevent_req_callback_data(subreq, struct composite_context);
+ s = talloc_get_type(c->private_data, struct usermod_state);
+
+ /* receive samr_SetUserInfo result */
+ c->status = dcerpc_samr_SetUserInfo_r_recv(subreq, s);
+ TALLOC_FREE(subreq);
+ if (!composite_is_ok(c)) return;
+
+ /* return the actual function call status */
+ c->status = s->setuser.out.result;
+ if (!NT_STATUS_IS_OK(c->status)) {
+ composite_error(c, c->status);
+ return;
+ }
+
+ if (s->change.fields == 0) {
+ /* all fields have been set - we're done */
+ composite_done(c);
+
+ } else {
+ /* something's still not changed - repeat the procedure */
+ c->status = usermod_change(c, s);
+ }
+}
+
+
+/**
+ * Sends asynchronous usermod request
+ *
+ * @param p dce/rpc call pipe
+ * @param io arguments and results of the call
+ * @param monitor monitor function for providing information about the progress
+ */
+
+struct composite_context *libnet_rpc_usermod_send(TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct dcerpc_binding_handle *b,
+ struct libnet_rpc_usermod *io,
+ void (*monitor)(struct monitor_msg*))
+{
+ struct composite_context *c;
+ struct usermod_state *s;
+ struct tevent_req *subreq;
+
+ /* composite context allocation and setup */
+ c = composite_create(mem_ctx, ev);
+ if (c == NULL) return NULL;
+ s = talloc_zero(c, struct usermod_state);
+ if (composite_nomem(s, c)) return c;
+
+ c->private_data = s;
+
+ /* store parameters in the call structure */
+ s->binding_handle= b;
+ s->domain_handle = io->in.domain_handle;
+ s->change = io->in.change;
+ s->monitor_fn = monitor;
+
+ /* prepare rpc call arguments */
+ s->lookupname.in.domain_handle = &io->in.domain_handle;
+ s->lookupname.in.num_names = 1;
+ s->lookupname.in.names = talloc_zero(s, struct lsa_String);
+ s->lookupname.in.names->string = io->in.username;
+ s->lookupname.out.rids = talloc_zero(s, struct samr_Ids);
+ s->lookupname.out.types = talloc_zero(s, struct samr_Ids);
+ if (composite_nomem(s->lookupname.out.rids, c)) return c;
+ if (composite_nomem(s->lookupname.out.types, c)) return c;
+
+ /* send the rpc request */
+ subreq = dcerpc_samr_LookupNames_r_send(s, c->event_ctx,
+ s->binding_handle,
+ &s->lookupname);
+ if (composite_nomem(subreq, c)) return c;
+
+ /* callback handler setup */
+ tevent_req_set_callback(subreq, continue_usermod_name_found, c);
+ return c;
+}
+
+
+/**
+ * Waits for and receives results of asynchronous usermod call
+ *
+ * @param c composite context returned by asynchronous usermod call
+ * @param mem_ctx memory context of the call
+ * @param io pointer to results (and arguments) of the call
+ * @return nt status code of execution
+ */
+
+NTSTATUS libnet_rpc_usermod_recv(struct composite_context *c, TALLOC_CTX *mem_ctx,
+ struct libnet_rpc_usermod *io)
+{
+ NTSTATUS status;
+
+ status = composite_wait(c);
+
+ talloc_free(c);
+ return status;
+}
+
+
+/**
+ * Synchronous version of usermod call
+ *
+ * @param pipe dce/rpc call pipe
+ * @param mem_ctx memory context for the call
+ * @param io arguments and results of the call
+ * @return nt status code of execution
+ */
+
+NTSTATUS libnet_rpc_usermod(struct tevent_context *ev,
+ struct dcerpc_binding_handle *b,
+ TALLOC_CTX *mem_ctx,
+ struct libnet_rpc_usermod *io)
+{
+ struct composite_context *c = libnet_rpc_usermod_send(mem_ctx, ev, b, io, NULL);
+ return libnet_rpc_usermod_recv(c, mem_ctx, io);
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-26 04:42:10 +0000