X-Git-Url: http://git.samba.org/samba.git/?a=blobdiff_plain;f=source%2Flibnet%2Flibnet_lookup.c;h=459e5b1985afac5c2380efb4728278f8505a79c2;hb=566aa14139510788548a874e9213d91317f83ca9;hp=89974203f2af0da83d8f259d20a3b33333e6a6f1;hpb=fd974fb64792f8f6c532b01d2a2e012be18eef7e;p=jelmer%2Fsamba4-debian.git diff --git a/source/libnet/libnet_lookup.c b/source/libnet/libnet_lookup.c index 89974203f..459e5b198 100644 --- a/source/libnet/libnet_lookup.c +++ b/source/libnet/libnet_lookup.c @@ -5,7 +5,7 @@ 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 + 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, @@ -14,8 +14,7 @@ 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. + along with this program. If not, see . */ /* @@ -26,15 +25,26 @@ #include "lib/events/events.h" #include "libnet/libnet.h" #include "libcli/composite/composite.h" +#include "auth/credentials/credentials.h" #include "lib/messaging/messaging.h" #include "lib/messaging/irpc.h" +#include "libcli/resolve/resolve.h" +#include "libcli/finddcs.h" +#include "libcli/security/security.h" +#include "librpc/gen_ndr/lsa.h" +#include "librpc/gen_ndr/ndr_lsa_c.h" + +#include "param/param.h" struct lookup_state { - struct composite_context *resolve_ctx; struct nbt_name hostname; + const char *address; }; +static void continue_name_resolved(struct composite_context *ctx); + + /** * Sends asynchronous Lookup request * @@ -46,23 +56,27 @@ struct composite_context *libnet_Lookup_send(struct libnet_context *ctx, { struct composite_context *c; struct lookup_state *s; + struct composite_context *cresolve_req; const char** methods; - if (!io) return NULL; - /* allocate context and state structures */ - c = talloc_zero(NULL, struct composite_context); - if (c == NULL) goto failed; + c = composite_create(ctx, ctx->event_ctx); + if (c == NULL) return NULL; s = talloc_zero(c, struct lookup_state); - if (s == NULL) goto failed; - - /* prepare event context */ - c->event_ctx = event_context_find(c); - if (c->event_ctx == NULL) goto failed; + if (composite_nomem(s, c)) return c; + + c->private_data = s; + + if (io == NULL || io->in.hostname == NULL) { + composite_error(c, NT_STATUS_INVALID_PARAMETER); + return c; + } /* parameters */ s->hostname.name = talloc_strdup(s, io->in.hostname); + if (composite_nomem(s->hostname.name, c)) return c; + s->hostname.type = io->in.type; s->hostname.scope = NULL; @@ -70,20 +84,29 @@ struct composite_context *libnet_Lookup_send(struct libnet_context *ctx, if (io->in.methods) { methods = io->in.methods; } else { - methods = (const char**)ctx->name_res_methods; + methods = ctx->name_res_methods; } - c->private_data = s; - c->state = COMPOSITE_STATE_IN_PROGRESS; - /* send resolve request */ - s->resolve_ctx = resolve_name_send(&s->hostname, c->event_ctx, methods); + cresolve_req = resolve_name_send(&s->hostname, c->event_ctx, methods); + if (composite_nomem(cresolve_req, c)) return c; + composite_continue(c, cresolve_req, continue_name_resolved, c); return c; +} -failed: - talloc_free(c); - return NULL; + +static void continue_name_resolved(struct composite_context *ctx) +{ + struct composite_context *c; + struct lookup_state *s; + + c = talloc_get_type(ctx->async.private_data, struct composite_context); + s = talloc_get_type(c->private_data, struct lookup_state); + + c->status = resolve_name_recv(ctx, s, &s->address); + + composite_done(c); } @@ -101,16 +124,16 @@ NTSTATUS libnet_Lookup_recv(struct composite_context *c, TALLOC_CTX *mem_ctx, { NTSTATUS status; struct lookup_state *s; - const char *address; - s = talloc_get_type(c->private_data, struct lookup_state); - - status = resolve_name_recv(s->resolve_ctx, mem_ctx, &address); + status = composite_wait(c); if (NT_STATUS_IS_OK(status)) { - io->out.address = str_list_make(mem_ctx, address, NULL); + s = talloc_get_type(c->private_data, struct lookup_state); + + io->out.address = str_list_make(mem_ctx, s->address, NULL); NT_STATUS_HAVE_NO_MEMORY(io->out.address); } + talloc_free(c); return status; } @@ -161,19 +184,18 @@ NTSTATUS libnet_LookupHost(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, /** - * Sends asynchronous LookupPdc request + * Sends asynchronous LookupDCs request */ struct composite_context* libnet_LookupDCs_send(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, struct libnet_LookupDCs *io) { - struct messaging_context *msg_ctx = messaging_client_init(mem_ctx, ctx->event_ctx); struct composite_context *c; - c = finddcs_send(mem_ctx, - io->in.domain_name, - NBT_NAME_PDC, - NULL, ctx->name_res_methods, - ctx->event_ctx, msg_ctx); + struct messaging_context *msg_ctx = + messaging_client_init(mem_ctx, lp_messaging_path(mem_ctx, global_loadparm), ctx->event_ctx); + + c = finddcs_send(mem_ctx, io->in.domain_name, io->in.name_type, + NULL, ctx->name_res_methods, ctx->event_ctx, msg_ctx); return c; } @@ -197,8 +219,9 @@ NTSTATUS libnet_LookupDCs_recv(struct composite_context *c, TALLOC_CTX *mem_ctx, return status; } + /** - * Synchronous version of LookupPdc + * Synchronous version of LookupDCs */ NTSTATUS libnet_LookupDCs(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, struct libnet_LookupDCs *io) @@ -206,3 +229,184 @@ NTSTATUS libnet_LookupDCs(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, struct composite_context *c = libnet_LookupDCs_send(ctx, mem_ctx, io); return libnet_LookupDCs_recv(c, mem_ctx, io); } + + +struct lookup_name_state { + struct libnet_context *ctx; + const char *name; + uint32_t count; + struct libnet_DomainOpen domopen; + struct lsa_LookupNames lookup; + struct lsa_TransSidArray sids; + struct lsa_String *names; + + /* information about the progress */ + void (*monitor_fn)(struct monitor_msg *); +}; + + +static bool prepare_lookup_params(struct libnet_context *ctx, + struct composite_context *c, + struct lookup_name_state *s); +static void continue_lookup_name(struct composite_context *ctx); +static void continue_name_found(struct rpc_request *req); + + +struct composite_context* libnet_LookupName_send(struct libnet_context *ctx, + TALLOC_CTX *mem_ctx, + struct libnet_LookupName *io, + void (*monitor)(struct monitor_msg*)) +{ + struct composite_context *c; + struct lookup_name_state *s; + struct rpc_request *lookup_req; + bool prereq_met = false; + + c = composite_create(mem_ctx, ctx->event_ctx); + if (c == NULL) return NULL; + + s = talloc_zero(c, struct lookup_name_state); + if (composite_nomem(s, c)) return c; + + c->private_data = s; + + s->name = talloc_strdup(c, io->in.name); + s->monitor_fn = monitor; + s->ctx = ctx; + + prereq_met = lsa_domain_opened(ctx, io->in.domain_name, &c, &s->domopen, + continue_lookup_name, monitor); + if (!prereq_met) return c; + + if (!prepare_lookup_params(ctx, c, s)) return c; + + lookup_req = dcerpc_lsa_LookupNames_send(ctx->lsa.pipe, c, &s->lookup); + if (composite_nomem(lookup_req, c)) return c; + + composite_continue_rpc(c, lookup_req, continue_name_found, c); + return c; +} + + +static bool prepare_lookup_params(struct libnet_context *ctx, + struct composite_context *c, + struct lookup_name_state *s) +{ + const int single_name = 1; + + s->sids.count = 0; + s->sids.sids = NULL; + + s->names = talloc_array(ctx, struct lsa_String, single_name); + if (composite_nomem(s->names, c)) return false; + s->names[0].string = s->name; + + s->lookup.in.handle = &ctx->lsa.handle; + s->lookup.in.num_names = single_name; + s->lookup.in.names = s->names; + s->lookup.in.sids = &s->sids; + s->lookup.in.level = 1; + s->lookup.in.count = &s->count; + s->lookup.out.count = &s->count; + s->lookup.out.sids = &s->sids; + + return true; +} + + +static void continue_lookup_name(struct composite_context *ctx) +{ + struct composite_context *c; + struct lookup_name_state *s; + struct rpc_request *lookup_req; + + c = talloc_get_type(ctx->async.private_data, struct composite_context); + s = talloc_get_type(c->private_data, struct lookup_name_state); + + c->status = libnet_DomainOpen_recv(ctx, s->ctx, c, &s->domopen); + if (!composite_is_ok(c)) return; + + if (!prepare_lookup_params(s->ctx, c, s)) return; + + lookup_req = dcerpc_lsa_LookupNames_send(s->ctx->lsa.pipe, c, &s->lookup); + if (composite_nomem(lookup_req, c)) return; + + composite_continue_rpc(c, lookup_req, continue_name_found, c); +} + + +static void continue_name_found(struct rpc_request *req) +{ + struct composite_context *c; + struct lookup_name_state *s; + + c = talloc_get_type(req->async.private_data, struct composite_context); + s = talloc_get_type(c->private_data, struct lookup_name_state); + + c->status = dcerpc_ndr_request_recv(req); + if (!composite_is_ok(c)) return; + + c->status = s->lookup.out.result; + if (!composite_is_ok(c)) return; + + composite_done(c); +} + + +NTSTATUS libnet_LookupName_recv(struct composite_context *c, TALLOC_CTX *mem_ctx, + struct libnet_LookupName *io) +{ + NTSTATUS status; + struct lookup_name_state *s; + + status = composite_wait(c); + + if (NT_STATUS_IS_OK(status)) { + s = talloc_get_type(c->private_data, struct lookup_name_state); + + io->out.rid = 0; + io->out.sid = NULL; + io->out.sidstr = NULL; + + if (*s->lookup.out.count > 0) { + struct lsa_RefDomainList *domains = s->lookup.out.domains; + struct lsa_TransSidArray *sids = s->lookup.out.sids; + + if (domains == NULL || sids == NULL) { + status = NT_STATUS_UNSUCCESSFUL; + io->out.error_string = talloc_asprintf(mem_ctx, "Error: %s", nt_errstr(status)); + goto done; + } + + if (sids->count > 0) { + io->out.rid = sids->sids[0].rid; + io->out.sid_type = sids->sids[0].sid_type; + if (domains->count > 0) { + io->out.sid = dom_sid_add_rid(mem_ctx, domains->domains[0].sid, io->out.rid); + NT_STATUS_HAVE_NO_MEMORY(io->out.sid); + io->out.sidstr = dom_sid_string(mem_ctx, io->out.sid); + NT_STATUS_HAVE_NO_MEMORY(io->out.sidstr); + } + } + } + + io->out.error_string = talloc_strdup(mem_ctx, "Success"); + + } else if (!NT_STATUS_IS_OK(status)) { + io->out.error_string = talloc_asprintf(mem_ctx, "Error: %s", nt_errstr(status)); + } + +done: + talloc_free(c); + return status; +} + + +NTSTATUS libnet_LookupName(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, + struct libnet_LookupName *io) +{ + struct composite_context *c; + + c = libnet_LookupName_send(ctx, mem_ctx, io, NULL); + return libnet_LookupName_recv(c, mem_ctx, io); +}