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samba-mirror/source4/libnet/libnet_user.c
2007-10-10 14:15:26 -05:00

616 lines
18 KiB
C

/*
Unix SMB/CIFS implementation.
Copyright (C) Rafal Szczesniak <mimir@samba.org> 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 2 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, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "includes.h"
#include "libnet/libnet.h"
#include "libcli/composite/composite.h"
#include "auth/credentials/credentials.h"
#include "librpc/ndr/libndr.h"
#include "librpc/gen_ndr/samr.h"
#include "librpc/gen_ndr/ndr_samr.h"
/**
* Verify, before actually doing anything with user accounts, whether
* required domain is already opened and thus ready for operation.
* If it is not, or if the opened domain is not the one requested, open
* the requested domain.
*/
static struct composite_context* domain_opened(struct libnet_context *ctx,
const char *domain_name,
struct composite_context *parent_ctx,
struct libnet_DomainOpen *domain_open,
void (*continue_fn)(struct composite_context*),
void (*monitor)(struct monitor_msg*))
{
struct composite_context *domopen_req;
if (domain_name == NULL) {
/*
* Try to guess the domain name from credentials,
* if it's not been explicitly specified.
*/
if (policy_handle_empty(&ctx->domain.handle)) {
domain_open->in.domain_name = cli_credentials_get_domain(ctx->cred);
domain_open->in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
} else {
composite_error(parent_ctx, NT_STATUS_INVALID_PARAMETER);
return parent_ctx;
}
} else {
/*
* The domain name has been specified, so check whether the same
* domain is already opened. If it is - just return NULL. Start
* opening a new domain otherwise.
*/
if (policy_handle_empty(&ctx->domain.handle) ||
!strequal(domain_name, ctx->domain.name)) {
domain_open->in.domain_name = domain_name;
domain_open->in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
} else {
/* domain has already been opened and it's the same domain
as requested */
return NULL;
}
}
/* send request to open the domain */
domopen_req = libnet_DomainOpen_send(ctx, domain_open, monitor);
if (composite_nomem(domopen_req, parent_ctx)) return parent_ctx;
composite_continue(parent_ctx, domopen_req, continue_fn, parent_ctx);
return parent_ctx;
}
struct create_user_state {
struct libnet_CreateUser r;
struct libnet_DomainOpen domain_open;
struct libnet_rpc_useradd user_add;
struct libnet_context *ctx;
/* information about the progress */
void (*monitor_fn)(struct monitor_msg *);
};
static void continue_rpc_useradd(struct composite_context *ctx);
static void continue_domain_open_create(struct composite_context *ctx);
/**
* Sends request to create user account
*
* @param ctx initialised libnet context
* @param mem_ctx memory context of this call
* @param r pointer to a structure containing arguments and results of this call
* @param monitor function pointer for receiving monitor messages
* @return compostite context of this request
*/
struct composite_context* libnet_CreateUser_send(struct libnet_context *ctx,
TALLOC_CTX *mem_ctx,
struct libnet_CreateUser *r,
void (*monitor)(struct monitor_msg*))
{
struct composite_context *c;
struct create_user_state *s;
struct composite_context *create_req;
struct composite_context *prereq_ctx;
/* composite context allocation and setup */
c = talloc_zero(mem_ctx, struct composite_context);
if (c == NULL) return NULL;
s = talloc_zero(c, struct create_user_state);
if (composite_nomem(s, c)) return c;
c->state = COMPOSITE_STATE_IN_PROGRESS;
c->private_data = s;
c->event_ctx = ctx->event_ctx;
/* store arguments in the state structure */
s->ctx = ctx;
s->r = *r;
ZERO_STRUCT(s->r.out);
/* prerequisite: make sure the domain is opened */
prereq_ctx = domain_opened(ctx, s->r.in.domain_name, c, &s->domain_open,
continue_domain_open_create, monitor);
if (prereq_ctx) return prereq_ctx;
/* prepare arguments for useradd call */
s->user_add.in.username = r->in.user_name;
s->user_add.in.domain_handle = ctx->domain.handle;
/* send the request */
create_req = libnet_rpc_useradd_send(ctx->samr_pipe, &s->user_add, monitor);
if (composite_nomem(create_req, c)) return c;
/* set the next stage */
composite_continue(c, create_req, continue_rpc_useradd, c);
return c;
}
/*
* Stage 0.5 (optional): receive result of domain open request
* and send useradd request
*/
static void continue_domain_open_create(struct composite_context *ctx)
{
struct composite_context *c;
struct create_user_state *s;
struct composite_context *create_req;
struct monitor_msg msg;
c = talloc_get_type(ctx->async.private_data, struct composite_context);
s = talloc_get_type(c->private_data, struct create_user_state);
/* receive result of DomainOpen call */
c->status = libnet_DomainOpen_recv(ctx, s->ctx, c, &s->domain_open);
if (!composite_is_ok(c)) return;
/* send monitor message */
if (s->monitor_fn) s->monitor_fn(&msg);
/* prepare arguments for useradd call */
s->user_add.in.username = s->r.in.user_name;
s->user_add.in.domain_handle = s->ctx->domain.handle;
/* send the request */
create_req = libnet_rpc_useradd_send(s->ctx->samr_pipe, &s->user_add, s->monitor_fn);
if (composite_nomem(create_req, c)) return;
/* set the next stage */
composite_continue(c, create_req, continue_rpc_useradd, c);
}
/*
* Stage 1: receive result of useradd call
*/
static void continue_rpc_useradd(struct composite_context *ctx)
{
struct composite_context *c;
struct create_user_state *s;
struct monitor_msg msg;
c = talloc_get_type(ctx->async.private_data, struct composite_context);
s = talloc_get_type(c->private_data, struct create_user_state);
/* receive result of the call */
c->status = libnet_rpc_useradd_recv(ctx, c, &s->user_add);
if (!composite_is_ok(c)) return;
/* send monitor message */
if (s->monitor_fn) s->monitor_fn(&msg);
/* we're done */
composite_done(c);
}
/**
* Receive result of CreateUser call
*
* @param c composite context returned by send request routine
* @param mem_ctx memory context of this call
* @param r pointer to a structure containing arguments and result of this call
* @return nt status
*/
NTSTATUS libnet_CreateUser_recv(struct composite_context *c, TALLOC_CTX *mem_ctx,
struct libnet_CreateUser *r)
{
NTSTATUS status;
struct create_user_state *s;
r->out.error_string = NULL;
/* wait for result of async request and check status code */
status = composite_wait(c);
if (!NT_STATUS_IS_OK(status)) {
s = talloc_get_type(c->private_data, struct create_user_state);
r->out.error_string = talloc_strdup(mem_ctx, nt_errstr(status));
}
return status;
}
/**
* Synchronous version of CreateUser call
*
* @param ctx initialised libnet context
* @param mem_ctx memory context of this call
* @param r pointer to a structure containing arguments and result of this call
* @return nt status
*/
NTSTATUS libnet_CreateUser(struct libnet_context *ctx, TALLOC_CTX *mem_ctx,
struct libnet_CreateUser *r)
{
struct composite_context *c;
c = libnet_CreateUser_send(ctx, mem_ctx, r, NULL);
return libnet_CreateUser_recv(c, mem_ctx, r);
}
struct delete_user_state {
struct libnet_DeleteUser r;
struct libnet_context *ctx;
struct libnet_DomainOpen domain_open;
struct libnet_rpc_userdel user_del;
/* information about the progress */
void (*monitor_fn)(struct monitor_msg *);
};
static void continue_rpc_userdel(struct composite_context *ctx);
static void continue_domain_open_delete(struct composite_context *ctx);
/**
* Sends request to delete user account
*
* @param ctx initialised libnet context
* @param mem_ctx memory context of this call
* @param r pointer to structure containing arguments and result of this call
* @param monitor function pointer for receiving monitor messages
*/
struct composite_context *libnet_DeleteUser_send(struct libnet_context *ctx,
TALLOC_CTX *mem_ctx,
struct libnet_DeleteUser *r,
void (*monitor)(struct monitor_msg*))
{
struct composite_context *c;
struct delete_user_state *s;
struct composite_context *delete_req;
struct composite_context *prereq_ctx;
/* composite context allocation and setup */
c = talloc_zero(mem_ctx, struct composite_context);
if (c == NULL) return NULL;
s = talloc_zero(c, struct delete_user_state);
if (composite_nomem(s, c)) return c;
c->private_data = s;
c->state = COMPOSITE_STATE_IN_PROGRESS;
c->event_ctx = ctx->event_ctx;
/* store arguments in state structure */
s->ctx = ctx;
s->r = *r;
ZERO_STRUCT(s->r.out);
/* prerequisite: make sure the domain is opened before proceeding */
prereq_ctx = domain_opened(ctx, s->r.in.domain_name, c, &s->domain_open,
continue_domain_open_delete, monitor);
if (prereq_ctx) return prereq_ctx;
/* prepare arguments for userdel call */
s->user_del.in.username = r->in.user_name;
s->user_del.in.domain_handle = ctx->domain.handle;
/* send request */
delete_req = libnet_rpc_userdel_send(ctx->samr_pipe, &s->user_del, monitor);
if (composite_nomem(delete_req, c)) return c;
/* set the next stage */
composite_continue(c, delete_req, continue_rpc_userdel, c);
return c;
}
/*
* Stage 0.5 (optional): receive result of domain open request
* and send useradd request
*/
static void continue_domain_open_delete(struct composite_context *ctx)
{
struct composite_context *c;
struct delete_user_state *s;
struct composite_context *delete_req;
struct monitor_msg msg;
c = talloc_get_type(ctx->async.private_data, struct composite_context);
s = talloc_get_type(c->private_data, struct delete_user_state);
/* receive result of DomainOpen call */
c->status = libnet_DomainOpen_recv(ctx, s->ctx, c, &s->domain_open);
if (!composite_is_ok(c)) return;
/* send monitor message */
if (s->monitor_fn) s->monitor_fn(&msg);
/* prepare arguments for userdel call */
s->user_del.in.username = s->r.in.user_name;
s->user_del.in.domain_handle = s->ctx->domain.handle;
/* send request */
delete_req = libnet_rpc_userdel_send(s->ctx->samr_pipe, &s->user_del, s->monitor_fn);
if (composite_nomem(delete_req, c)) return;
/* set the next stage */
composite_continue(c, delete_req, continue_rpc_userdel, c);
}
static void continue_rpc_userdel(struct composite_context *ctx)
{
struct composite_context *c;
struct delete_user_state *s;
struct monitor_msg msg;
c = talloc_get_type(ctx->async.private_data, struct composite_context);
s = talloc_get_type(c->private_data, struct delete_user_state);
/* receive result of userdel call */
c->status = libnet_rpc_userdel_recv(ctx, c, &s->user_del);
if (!composite_is_ok(c)) return;
/* send monitor message */
if (s->monitor_fn) s->monitor_fn(&msg);
/* we're done */
composite_done(c);
}
/**
* Receives result of asynchronous DeleteUser call
*
* @param c composite context returned by async DeleteUser call
* @param mem_ctx memory context of this call
* @param r pointer to structure containing arguments and result
*/
NTSTATUS libnet_DeleteUser_recv(struct composite_context *c, TALLOC_CTX *mem_ctx,
struct libnet_DeleteUser *r)
{
NTSTATUS status;
struct delete_user_state *s;
r->out.error_string = NULL;
/* wait for result of async request and check status code */
status = composite_wait(c);
if (!NT_STATUS_IS_OK(status)) {
s = talloc_get_type(c->private_data, struct delete_user_state);
r->out.error_string = talloc_steal(mem_ctx, s->r.out.error_string);
}
return status;
}
/**
* Synchronous version of DeleteUser call
*
* @param ctx initialised libnet context
* @param mem_ctx memory context of this call
* @param r pointer to structure containing arguments and result
*/
NTSTATUS libnet_DeleteUser(struct libnet_context *ctx, TALLOC_CTX *mem_ctx,
struct libnet_DeleteUser *r)
{
struct composite_context *c;
c = libnet_DeleteUser_send(ctx, mem_ctx, r, NULL);
return libnet_DeleteUser_recv(c, mem_ctx, r);
}
struct modify_user_state {
struct libnet_ModifyUser r;
struct libnet_context *ctx;
struct libnet_DomainOpen domain_open;
struct libnet_rpc_userinfo user_info;
struct libnet_rpc_usermod user_mod;
void (*monitor_fn)(struct monitor_msg *);
};
static void continue_rpc_usermod(struct composite_context *ctx);
static void continue_domain_open_modify(struct composite_context *ctx);
static NTSTATUS set_user_changes(TALLOC_CTX *mem_ctx, struct usermod_change *mod,
struct libnet_rpc_userinfo *info, struct libnet_ModifyUser *r);
static void continue_rpc_userinfo(struct composite_context *ctx);
struct composite_context *libnet_ModifyUser_send(struct libnet_context *ctx,
TALLOC_CTX *mem_ctx,
struct libnet_ModifyUser *r,
void (*monitor)(struct monitor_msg*))
{
struct composite_context *c;
struct modify_user_state *s;
struct composite_context *prereq_ctx;
struct composite_context *userinfo_req;
c = talloc_zero(mem_ctx, struct composite_context);
if (c == NULL) return NULL;
s = talloc_zero(c, struct modify_user_state);
if (composite_nomem(s, c)) return c;
c->state = COMPOSITE_STATE_IN_PROGRESS;
c->private_data = s;
c->event_ctx = ctx->event_ctx;
s->ctx = ctx;
s->r = *r;
prereq_ctx = domain_opened(ctx, s->r.in.domain_name, c, &s->domain_open,
continue_domain_open_modify, monitor);
if (prereq_ctx) return prereq_ctx;
s->user_mod.in.username = r->in.user_name;
s->user_mod.in.domain_handle = ctx->domain.handle;
userinfo_req = libnet_rpc_userinfo_send(ctx->samr_pipe, &s->user_info, monitor);
if (composite_nomem(userinfo_req, c)) return c;
composite_continue(c, userinfo_req, continue_rpc_userinfo, c);
return c;
}
static void continue_domain_open_modify(struct composite_context *ctx)
{
const uint16_t level = 21;
struct composite_context *c;
struct modify_user_state *s;
struct composite_context *userinfo_req;
struct monitor_msg msg;
c = talloc_get_type(ctx->async.private_data, struct composite_context);
s = talloc_get_type(c->private_data, struct modify_user_state);
c->status = libnet_DomainOpen_recv(ctx, s->ctx, c, &s->domain_open);
if (!composite_is_ok(c)) return;
if (s->monitor_fn) s->monitor_fn(&msg);
s->user_info.in.domain_handle = s->ctx->domain.handle;
s->user_info.in.username = s->r.in.user_name;
s->user_info.in.level = level;
userinfo_req = libnet_rpc_userinfo_send(s->ctx->samr_pipe, &s->user_info, s->monitor_fn);
if (composite_nomem(userinfo_req, c)) return;
composite_continue(c, userinfo_req, continue_rpc_userinfo, c);
}
static void continue_rpc_userinfo(struct composite_context *ctx)
{
struct composite_context *c;
struct modify_user_state *s;
struct composite_context *usermod_req;
c = talloc_get_type(ctx->async.private_data, struct composite_context);
s = talloc_get_type(c->private_data, struct modify_user_state);
c->status = libnet_rpc_userinfo_recv(ctx, c, &s->user_info);
if (!composite_is_ok(c)) return;
s->user_mod.in.domain_handle = s->ctx->domain.handle;
s->user_mod.in.username = s->r.in.user_name;
c->status = set_user_changes(c, &s->user_mod.in.change, &s->user_info, &s->r);
usermod_req = libnet_rpc_usermod_send(s->ctx->samr_pipe, &s->user_mod, s->monitor_fn);
if (composite_nomem(usermod_req, c)) return;
composite_continue(c, usermod_req, continue_rpc_usermod, c);
}
static NTSTATUS set_user_changes(TALLOC_CTX *mem_ctx, struct usermod_change *mod,
struct libnet_rpc_userinfo *info, struct libnet_ModifyUser *r)
{
struct samr_UserInfo21 *user;
if (mod == NULL || info == NULL || r == NULL || info->in.level != 21) {
return NT_STATUS_INVALID_PARAMETER;
}
user = &info->out.info.info21;
mod->fields = 0; /* reset flag field before setting individual flags */
/* account name change */
SET_FIELD_LSA_STRING(r->in, user, mod, account_name, USERMOD_FIELD_ACCOUNT_NAME);
/* full name change */
SET_FIELD_LSA_STRING(r->in, user, mod, full_name, USERMOD_FIELD_FULL_NAME);
/* description change */
SET_FIELD_LSA_STRING(r->in, user, mod, comment, USERMOD_FIELD_DESCRIPTION);
/* comment change */
SET_FIELD_LSA_STRING(r->in, user, mod, comment, USERMOD_FIELD_COMMENT);
/* home directory change */
SET_FIELD_LSA_STRING(r->in, user, mod, home_directory, USERMOD_FIELD_HOME_DIRECTORY);
/* home drive change */
SET_FIELD_LSA_STRING(r->in, user, mod, home_drive, USERMOD_FIELD_HOME_DRIVE);
/* logon script change */
SET_FIELD_LSA_STRING(r->in, user, mod, logon_script, USERMOD_FIELD_LOGON_SCRIPT);
/* profile path change */
SET_FIELD_LSA_STRING(r->in, user, mod, profile_path, USERMOD_FIELD_PROFILE_PATH);
/* allow password change time */
SET_FIELD_NTTIME(r->in, user, mod, allow_password_change, USERMOD_FIELD_ALLOW_PASS_CHG);
/* force password change time */
SET_FIELD_NTTIME(r->in, user, mod, force_password_change, USERMOD_FIELD_FORCE_PASS_CHG);
/* account expiry change */
SET_FIELD_NTTIME(r->in, user, mod, acct_expiry, USERMOD_FIELD_ACCT_EXPIRY);
return NT_STATUS_OK;
}
static void continue_rpc_usermod(struct composite_context *ctx)
{
struct composite_context *c;
struct modify_user_state *s;
struct monitor_msg msg;
c = talloc_get_type(ctx->async.private_data, struct composite_context);
s = talloc_get_type(c->private_data, struct modify_user_state);
c->status = libnet_rpc_usermod_recv(ctx, c, &s->user_mod);
if (!composite_is_ok(c)) return;
if (s->monitor_fn) s->monitor_fn(&msg);
composite_done(c);
}
NTSTATUS libnet_ModifyUser_recv(struct composite_context *c, TALLOC_CTX *mem_ctx,
struct libnet_ModifyUser *r)
{
NTSTATUS status = composite_wait(c);
return status;
}
NTSTATUS libnet_ModifyUser(struct libnet_context *ctx, TALLOC_CTX *mem_ctx,
struct libnet_ModifyUser *r)
{
struct composite_context *c;
c = libnet_ModifyUser_send(ctx, mem_ctx, r, NULL);
return libnet_ModifyUser_recv(c, mem_ctx, r);
}