diff options
| -rw-r--r-- | source4/libnet/libnet_group.c | 69 |
1 files changed, 61 insertions, 8 deletions
diff --git a/source4/libnet/libnet_group.c b/source4/libnet/libnet_group.c index 1a54ec35bc..50615f3946 100644 --- a/source4/libnet/libnet_group.c +++ b/source4/libnet/libnet_group.c @@ -41,7 +41,15 @@ static void continue_domain_open_info(struct composite_context *ctx); static void continue_name_found(struct composite_context *ctx); static void continue_group_info(struct composite_context *ctx); - +/** + * Sends request to get group information + * + * @param ctx initialised libnet context + * @param mem_ctx memory context of this call + * @param io pointer to structure containing arguments the call + * @param monitor function pointer for receiving monitor messages + * @return composite context of this request + */ struct composite_context* libnet_GroupInfo_send(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, struct libnet_GroupInfo *io, @@ -61,9 +69,9 @@ struct composite_context* libnet_GroupInfo_send(struct libnet_context *ctx, c->private_data = s; + /* store arguments in the state structure */ s->monitor_fn = monitor; - s->ctx = ctx; - + s->ctx = ctx; s->domain_name = talloc_strdup(c, io->in.domain_name); s->group_name = talloc_strdup(c, io->in.group_name); @@ -71,18 +79,24 @@ struct composite_context* libnet_GroupInfo_send(struct libnet_context *ctx, prereq_met = samr_domain_opened(ctx, s->domain_name, &c, &s->domopen, continue_domain_open_info, monitor); if (!prereq_met) return c; - + + /* prepare arguments for LookupName call */ s->lookup.in.name = s->group_name; s->lookup.in.domain_name = s->domain_name; + /* send the request */ lookup_req = libnet_LookupName_send(s->ctx, c, &s->lookup, s->monitor_fn); if (composite_nomem(lookup_req, c)) return c; + /* set the next stage */ composite_continue(c, lookup_req, continue_name_found, c); return c; } +/* + * Stage 0.5 (optional): receive opened domain and send lookup name request + */ static void continue_domain_open_info(struct composite_context *ctx) { struct composite_context *c; @@ -92,19 +106,26 @@ static void continue_domain_open_info(struct composite_context *ctx) c = talloc_get_type(ctx->async.private_data, struct composite_context); s = talloc_get_type(c->private_data, struct group_info_state); + /* receive domain handle */ c->status = libnet_DomainOpen_recv(ctx, s->ctx, c, &s->domopen); if (!composite_is_ok(c)) return; + /* prepare arguments for LookupName call */ s->lookup.in.name = s->group_name; s->lookup.in.domain_name = s->domain_name; - + + /* send the request */ lookup_req = libnet_LookupName_send(s->ctx, c, &s->lookup, s->monitor_fn); if (composite_nomem(lookup_req, c)) return; + /* set the next stage */ composite_continue(c, lookup_req, continue_name_found, c); } +/* + * Stage 1: Receive SID found and send request for group info + */ static void continue_name_found(struct composite_context *ctx) { struct composite_context *c; @@ -113,27 +134,36 @@ static void continue_name_found(struct composite_context *ctx) c = talloc_get_type(ctx->async.private_data, struct composite_context); s = talloc_get_type(c->private_data, struct group_info_state); - + + /* receive SID assiociated with name found */ c->status = libnet_LookupName_recv(ctx, c, &s->lookup); if (!composite_is_ok(c)) return; - + + /* Is is a group SID actually ? */ if (s->lookup.out.sid_type != SID_NAME_DOM_GRP && s->lookup.out.sid_type != SID_NAME_ALIAS) { composite_error(c, NT_STATUS_NO_SUCH_GROUP); } + /* prepare arguments for groupinfo call */ s->info.in.domain_handle = s->ctx->samr.handle; s->info.in.groupname = s->group_name; s->info.in.sid = s->lookup.out.sidstr; + /* we're looking for all information available */ s->info.in.level = GROUPINFOALL; - + + /* send the request */ info_req = libnet_rpc_groupinfo_send(s->ctx->samr.pipe, &s->info, s->monitor_fn); if (composite_nomem(info_req, c)) return; + /* set the next stage */ composite_continue(c, info_req, continue_group_info, c); } +/* + * Stage 2: Receive group information + */ static void continue_group_info(struct composite_context *ctx) { struct composite_context *c; @@ -142,13 +172,23 @@ static void continue_group_info(struct composite_context *ctx) c = talloc_get_type(ctx->async.private_data, struct composite_context); s = talloc_get_type(c->private_data, struct group_info_state); + /* receive group information */ c->status = libnet_rpc_groupinfo_recv(ctx, c, &s->info); if (!composite_is_ok(c)) return; + /* we're done */ composite_done(c); } +/* + * Receive group information + * + * @param c composite context returned by libnet_GroupInfo_send + * @param mem_ctx memory context of this call + * @param io pointer to a structure receiving results of the call + * @result nt status + */ NTSTATUS libnet_GroupInfo_recv(struct composite_context* c, TALLOC_CTX *mem_ctx, struct libnet_GroupInfo *io) { @@ -157,6 +197,7 @@ NTSTATUS libnet_GroupInfo_recv(struct composite_context* c, TALLOC_CTX *mem_ctx, status = composite_wait(c); if (NT_STATUS_IS_OK(status)) { + /* put the results into io structure if everything went fine */ s = talloc_get_type(c->private_data, struct group_info_state); io->out.group_sid = talloc_steal(mem_ctx, s->lookup.out.sid); @@ -164,12 +205,24 @@ NTSTATUS libnet_GroupInfo_recv(struct composite_context* c, TALLOC_CTX *mem_ctx, io->out.description = talloc_steal(mem_ctx, s->info.out.info.all.description.string); io->out.error_string = talloc_strdup(mem_ctx, "Success"); + + } else { + io->out.error_string = talloc_asprintf(mem_ctx, "Error: %s", nt_errstr(status)); } + talloc_free(c); + return status; } +/** + * Obtains specified group information + * + * @param ctx initialised libnet context + * @param mem_ctx memory context of the call + * @param io pointer to a structure containing arguments and results of the call + */ NTSTATUS libnet_GroupInfo(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, struct libnet_GroupInfo *io) { |