dcerpc utility functions
Copyright (C) Andrew Tridgell 2003
+ Copyright (C) Jelmer Vernooij 2004
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
#include "includes.h"
-/*
- this ndr_size_* stuff should really be auto-generated ....
-*/
-
-static size_t ndr_size_epm_floor(struct epm_floor *fl)
-{
- size_t ret = 5;
- if (fl->lhs.protocol == EPM_PROTOCOL_UUID) {
- ret += 18;
- } else {
- ret += fl->lhs.info.lhs_data.length;
- }
- ret += fl->rhs.rhs_data.length;
- return ret;
-}
-
-size_t ndr_size_epm_towers(struct epm_towers *towers)
-{
- size_t ret = 2;
- int i;
- for (i=0;i<towers->num_floors;i++) {
- ret += ndr_size_epm_floor(&towers->floors[i]);
- }
- return ret;
-}
-
/*
work out what TCP port to use for a given interface on a given host
*/
NTSTATUS dcerpc_epm_map_tcp_port(const char *server,
- const char *uuid, unsigned version,
- uint32 *port)
+ const char *uuid, uint_t version,
+ uint32_t *port)
{
struct dcerpc_pipe *p;
NTSTATUS status;
return NT_STATUS_OK;
}
- status = dcerpc_pipe_open_tcp(&p, server, EPMAPPER_PORT);
+ status = dcerpc_pipe_open_tcp(&p, server, EPMAPPER_PORT, AF_UNSPEC );
if (!NT_STATUS_IS_OK(status)) {
return status;
}
/* we can use the pipes memory context here as we will have a short
lived connection */
- status = dcerpc_bind_byuuid(p, p->mem_ctx,
+ status = dcerpc_bind_byuuid(p, p,
DCERPC_EPMAPPER_UUID,
DCERPC_EPMAPPER_VERSION);
if (!NT_STATUS_IS_OK(status)) {
ZERO_STRUCT(handle);
ZERO_STRUCT(guid);
- twr.towers.num_floors = 5;
- twr.towers.floors = talloc(p->mem_ctx, sizeof(twr.towers.floors[0]) * 5);
+ twr.tower.num_floors = 5;
+ twr.tower.floors = talloc(p, sizeof(twr.tower.floors[0]) * 5);
/* what I'd like for christmas ... */
/* an RPC interface ... */
- twr.towers.floors[0].lhs.protocol = EPM_PROTOCOL_UUID;
- GUID_from_string(uuid, &twr.towers.floors[0].lhs.info.uuid.uuid);
- twr.towers.floors[0].lhs.info.uuid.version = version;
- twr.towers.floors[0].rhs.rhs_data = data_blob_talloc_zero(p->mem_ctx, 2);
+ twr.tower.floors[0].lhs.protocol = EPM_PROTOCOL_UUID;
+ GUID_from_string(uuid, &twr.tower.floors[0].lhs.info.uuid.uuid);
+ twr.tower.floors[0].lhs.info.uuid.version = version;
+ twr.tower.floors[0].rhs.uuid.unknown = 0;
/* encoded with NDR ... */
- twr.towers.floors[1].lhs.protocol = EPM_PROTOCOL_UUID;
- GUID_from_string(NDR_GUID, &twr.towers.floors[1].lhs.info.uuid.uuid);
- twr.towers.floors[1].lhs.info.uuid.version = NDR_GUID_VERSION;
- twr.towers.floors[1].rhs.rhs_data = data_blob_talloc_zero(p->mem_ctx, 2);
+ twr.tower.floors[1].lhs.protocol = EPM_PROTOCOL_UUID;
+ GUID_from_string(NDR_GUID, &twr.tower.floors[1].lhs.info.uuid.uuid);
+ twr.tower.floors[1].lhs.info.uuid.version = NDR_GUID_VERSION;
+ twr.tower.floors[1].rhs.uuid.unknown = 0;
/* on an RPC connection ... */
- twr.towers.floors[2].lhs.protocol = EPM_PROTOCOL_RPC_C;
- twr.towers.floors[2].lhs.info.lhs_data = data_blob(NULL, 0);
- twr.towers.floors[2].rhs.rhs_data = data_blob_talloc_zero(p->mem_ctx, 2);
+ twr.tower.floors[2].lhs.protocol = EPM_PROTOCOL_NCACN;
+ twr.tower.floors[2].lhs.info.lhs_data = data_blob(NULL, 0);
+ twr.tower.floors[2].rhs.ncacn.minor_version = 0;
/* on a TCP port ... */
- twr.towers.floors[3].lhs.protocol = EPM_PROTOCOL_TCP;
- twr.towers.floors[3].lhs.info.lhs_data = data_blob(NULL, 0);
- twr.towers.floors[3].rhs.rhs_data = data_blob_talloc_zero(p->mem_ctx, 2);
+ twr.tower.floors[3].lhs.protocol = EPM_PROTOCOL_TCP;
+ twr.tower.floors[3].lhs.info.lhs_data = data_blob(NULL, 0);
+ twr.tower.floors[3].rhs.tcp.port = 0;
/* on an IP link ... */
- twr.towers.floors[4].lhs.protocol = EPM_PROTOCOL_IP;
- twr.towers.floors[4].lhs.info.lhs_data = data_blob(NULL, 0);
- twr.towers.floors[4].rhs.rhs_data = data_blob_talloc_zero(p->mem_ctx, 4);
+ twr.tower.floors[4].lhs.protocol = EPM_PROTOCOL_IP;
+ twr.tower.floors[4].lhs.info.lhs_data = data_blob(NULL, 0);
+ twr.tower.floors[4].rhs.ip.address = 0;
/* with some nice pretty paper around it of course */
r.in.object = &guid;
r.in.max_towers = 1;
r.out.entry_handle = &handle;
- status = dcerpc_epm_Map(p, p->mem_ctx, &r);
+ status = dcerpc_epm_Map(p, p, &r);
if (!NT_STATUS_IS_OK(status)) {
dcerpc_pipe_close(p);
return status;
}
- if (r.out.status != 0 || r.out.num_towers != 1) {
+ if (r.out.result != 0 || r.out.num_towers != 1) {
dcerpc_pipe_close(p);
return NT_STATUS_PORT_UNREACHABLE;
}
return NT_STATUS_PORT_UNREACHABLE;
}
- if (twr_r->towers.num_floors != 5 ||
- twr_r->towers.floors[3].lhs.protocol != twr.towers.floors[3].lhs.protocol ||
- twr_r->towers.floors[3].rhs.rhs_data.length != 2) {
+ if (twr_r->tower.num_floors != 5 ||
+ twr_r->tower.floors[3].lhs.protocol != twr.tower.floors[3].lhs.protocol) {
dcerpc_pipe_close(p);
return NT_STATUS_PORT_UNREACHABLE;
}
- *port = RSVAL(twr_r->towers.floors[3].rhs.rhs_data.data, 0);
+ *port = twr_r->tower.floors[3].rhs.tcp.port;
dcerpc_pipe_close(p);
return NT_STATUS_OK;
}
-
/*
find the pipe name for a local IDL interface
*/
-const char *idl_pipe_name(const char *uuid, uint32 if_version)
+const char *idl_pipe_name(const char *uuid, uint32_t if_version)
{
int i;
for (i=0;dcerpc_pipes[i];i++) {
/*
find the number of calls defined by local IDL
*/
-int idl_num_calls(const char *uuid, uint32 if_version)
+int idl_num_calls(const char *uuid, uint32_t if_version)
{
int i;
for (i=0;dcerpc_pipes[i];i++) {
return NT_STATUS_OK;
}
+#define MAX_PROTSEQ 10
static const struct {
const char *name;
enum dcerpc_transport_t transport;
-} ncacn_transports[] = {
- {"ncacn_np", NCACN_NP},
- {"ncacn_ip_tcp", NCACN_IP_TCP}
+ int num_protocols;
+ enum epm_protocols protseq[MAX_PROTSEQ];
+} transports[] = {
+ { "ncacn_np", NCACN_NP, 3,
+ { EPM_PROTOCOL_NCACN, EPM_PROTOCOL_SMB, EPM_PROTOCOL_NETBIOS }},
+ { "ncacn_ip_tcp", NCACN_IP_TCP, 3,
+ { EPM_PROTOCOL_NCACN, EPM_PROTOCOL_TCP, EPM_PROTOCOL_IP } },
+ { "ncacn_http", NCACN_HTTP, 3,
+ { EPM_PROTOCOL_NCACN, EPM_PROTOCOL_HTTP, EPM_PROTOCOL_IP } },
+ { "ncadg_ip_udp", NCACN_IP_UDP, 3,
+ { EPM_PROTOCOL_NCADG, EPM_PROTOCOL_UDP, EPM_PROTOCOL_IP } },
+ { "ncalrpc", NCALRPC, 2,
+ { EPM_PROTOCOL_NCALRPC, EPM_PROTOCOL_PIPE } },
+ { "ncacn_unix_stream", NCACN_UNIX_STREAM, 2,
+ { EPM_PROTOCOL_NCACN, EPM_PROTOCOL_UNIX_DS } },
+ { "ncadg_unix_dgram", NCADG_UNIX_DGRAM, 2,
+ { EPM_PROTOCOL_NCADG, EPM_PROTOCOL_UNIX_DS } },
+ { "ncacn_at_dsp", NCACN_AT_DSP, 3,
+ { EPM_PROTOCOL_NCACN, EPM_PROTOCOL_APPLETALK, EPM_PROTOCOL_DSP } },
+ { "ncadg_at_ddp", NCADG_AT_DDP, 3,
+ { EPM_PROTOCOL_NCADG, EPM_PROTOCOL_APPLETALK, EPM_PROTOCOL_DDP } },
+ { "ncacn_vns_ssp", NCACN_VNS_SPP, 3,
+ { EPM_PROTOCOL_NCACN, EPM_PROTOCOL_STREETTALK, EPM_PROTOCOL_VINES_SPP } },
+ { "ncacn_vns_ipc", NCACN_VNS_IPC, 3,
+ { EPM_PROTOCOL_NCACN, EPM_PROTOCOL_STREETTALK, EPM_PROTOCOL_VINES_IPC }, },
};
static const struct {
const char *name;
- uint32 flag;
+ uint32_t flag;
} ncacn_options[] = {
{"sign", DCERPC_SIGN},
{"seal", DCERPC_SEAL},
- {"schannel", DCERPC_SCHANNEL},
+ {"connect", DCERPC_CONNECT},
{"validate", DCERPC_DEBUG_VALIDATE_BOTH},
{"print", DCERPC_DEBUG_PRINT_BOTH},
+ {"padcheck", DCERPC_DEBUG_PAD_CHECK},
{"bigendian", DCERPC_PUSH_BIGENDIAN}
};
+
+
/*
form a binding string from a binding structure
*/
int i;
const char *t_name=NULL;
- for (i=0;i<ARRAY_SIZE(ncacn_transports);i++) {
- if (ncacn_transports[i].transport == b->transport) {
- t_name = ncacn_transports[i].name;
+ for (i=0;i<ARRAY_SIZE(transports);i++) {
+ if (transports[i].transport == b->transport) {
+ t_name = transports[i].name;
}
}
if (!t_name) {
return NULL;
}
- s = talloc_asprintf(mem_ctx, "%s:%s:[", t_name, b->host);
+ if (!uuid_all_zero(&b->object)) {
+ s = talloc_asprintf(mem_ctx, "%s@", GUID_string(mem_ctx, &b->object));
+ }
+
+ s = talloc_asprintf_append(s, "%s:", t_name);
if (!s) return NULL;
+ if (b->host) {
+ s = talloc_asprintf_append(s, "%s", b->host);
+ }
+
+ if ((!b->options || !b->options[0]) && !b->flags) {
+ return s;
+ }
+
+ s = talloc_asprintf_append(s, "[");
+
/* this is a *really* inefficent way of dealing with strings,
but this is rarely called and the strings are always short,
so I don't care */
for (i=0;b->options && b->options[i];i++) {
- s = talloc_asprintf(mem_ctx, "%s%s,", s, b->options[i]);
+ s = talloc_asprintf_append(s, "%s,", b->options[i]);
if (!s) return NULL;
}
for (i=0;i<ARRAY_SIZE(ncacn_options);i++) {
if (b->flags & ncacn_options[i].flag) {
- s = talloc_asprintf(mem_ctx, "%s%s,", s, ncacn_options[i].name);
+ s = talloc_asprintf_append(s, "%s,", ncacn_options[i].name);
if (!s) return NULL;
}
}
- if (s[strlen(s)-1] == ',') {
- s[strlen(s)-1] = 0;
- }
- s = talloc_asprintf(mem_ctx, "%s]", s);
+
+ s[strlen(s)-1] = 0;
+ s = talloc_asprintf_append(s, "]");
return s;
}
*/
NTSTATUS dcerpc_parse_binding(TALLOC_CTX *mem_ctx, const char *s, struct dcerpc_binding *b)
{
- char *part1, *part2, *part3;
+ char *options, *type;
char *p;
int i, j, comma_count;
+ p = strchr(s, '@');
+
+ if (p && PTR_DIFF(p, s) == 36) { /* 36 is the length of a UUID */
+ NTSTATUS status;
+
+ status = GUID_from_string(s, &b->object);
+
+ if (NT_STATUS_IS_ERR(status)) {
+ DEBUG(0, ("Failed parsing UUID\n"));
+ return status;
+ }
+
+ s = p + 1;
+ } else {
+ ZERO_STRUCT(b->object);
+ }
+
+ b->object_version = 0;
+
p = strchr(s, ':');
if (!p) {
return NT_STATUS_INVALID_PARAMETER;
}
- part1 = talloc_strndup(mem_ctx, s, PTR_DIFF(p, s));
- if (!part1) {
+
+ type = talloc_strndup(mem_ctx, s, PTR_DIFF(p, s));
+ if (!type) {
return NT_STATUS_NO_MEMORY;
}
- s = p+1;
- p = strchr(s, ':');
- if (!p) {
- p = strchr(s, '[');
- if (p) {
- part2 = talloc_strndup(mem_ctx, s, PTR_DIFF(p, s));
- part3 = talloc_strdup(mem_ctx, p+1);
- if (part3[strlen(part3)-1] != ']') {
- return NT_STATUS_INVALID_PARAMETER;
- }
- part3[strlen(part3)-1] = 0;
- } else {
- part2 = talloc_strdup(mem_ctx, s);
- part3 = NULL;
+ for (i=0;i<ARRAY_SIZE(transports);i++) {
+ if (strcasecmp(type, transports[i].name) == 0) {
+ b->transport = transports[i].transport;
+ break;
}
- } else {
- part2 = talloc_strndup(mem_ctx, s, PTR_DIFF(p, s));
- part3 = talloc_strdup(mem_ctx, p+1);
}
- if (!part2) {
- return NT_STATUS_NO_MEMORY;
+ if (i==ARRAY_SIZE(transports)) {
+ DEBUG(0,("Unknown dcerpc transport '%s'\n", type));
+ return NT_STATUS_INVALID_PARAMETER;
}
+
+ s = p+1;
- for (i=0;i<ARRAY_SIZE(ncacn_transports);i++) {
- if (strcasecmp(part1, ncacn_transports[i].name) == 0) {
- b->transport = ncacn_transports[i].transport;
- break;
+ p = strchr(s, '[');
+ if (p) {
+ b->host = talloc_strndup(mem_ctx, s, PTR_DIFF(p, s));
+ options = talloc_strdup(mem_ctx, p+1);
+ if (options[strlen(options)-1] != ']') {
+ return NT_STATUS_INVALID_PARAMETER;
}
+ options[strlen(options)-1] = 0;
+ } else {
+ b->host = talloc_strdup(mem_ctx, s);
+ options = NULL;
}
- if (i==ARRAY_SIZE(ncacn_transports)) {
- DEBUG(0,("Unknown dcerpc transport '%s'\n", part1));
- return NT_STATUS_INVALID_PARAMETER;
+
+ if (!b->host) {
+ return NT_STATUS_NO_MEMORY;
}
- b->host = part2;
b->options = NULL;
b->flags = 0;
- if (!part3) {
+ if (!options) {
return NT_STATUS_OK;
}
- /* the [] brackets are optional */
- if (*part3 == '[' && part3[strlen(part3)-1] == ']') {
- part3++;
- part3[strlen(part3)-1] = 0;
- }
-
- comma_count = count_chars(part3, ',');
+ comma_count = count_chars(options, ',');
b->options = talloc_array_p(mem_ctx, const char *, comma_count+2);
if (!b->options) {
return NT_STATUS_NO_MEMORY;
}
- for (i=0; (p = strchr(part3, ',')); i++) {
- b->options[i] = talloc_strndup(mem_ctx, part3, PTR_DIFF(p, part3));
+ for (i=0; (p = strchr(options, ',')); i++) {
+ b->options[i] = talloc_strndup(mem_ctx, options, PTR_DIFF(p, options));
if (!b->options[i]) {
return NT_STATUS_NO_MEMORY;
}
- part3 = p+1;
+ options = p+1;
}
- b->options[i] = part3;
+ b->options[i] = options;
b->options[i+1] = NULL;
/* some options are pre-parsed for convenience */
return NT_STATUS_OK;
}
+static const char *floor_get_rhs_data(TALLOC_CTX *mem_ctx, struct epm_floor *floor)
+{
+ switch (floor->lhs.protocol) {
+ case EPM_PROTOCOL_TCP:
+ if (floor->rhs.tcp.port == 0) return NULL;
+ return talloc_asprintf(mem_ctx, "%d", floor->rhs.tcp.port);
+
+ case EPM_PROTOCOL_UDP:
+ if (floor->rhs.udp.port == 0) return NULL;
+ return talloc_asprintf(mem_ctx, "%d", floor->rhs.udp.port);
+
+ case EPM_PROTOCOL_HTTP:
+ if (floor->rhs.http.port == 0) return NULL;
+ return talloc_asprintf(mem_ctx, "%d", floor->rhs.http.port);
+
+ case EPM_PROTOCOL_IP:
+ if (floor->rhs.ip.address == 0) {
+ return NULL;
+ }
+
+ {
+ struct in_addr in;
+ in.s_addr = htonl(floor->rhs.ip.address);
+ return talloc_strdup(mem_ctx, inet_ntoa(in));
+ }
+
+ case EPM_PROTOCOL_NCACN:
+ return NULL;
+
+ case EPM_PROTOCOL_NCADG:
+ return NULL;
+
+ case EPM_PROTOCOL_SMB:
+ return talloc_strdup(mem_ctx, floor->rhs.smb.unc);
+
+ case EPM_PROTOCOL_PIPE:
+ return talloc_strdup(mem_ctx, floor->rhs.pipe.path);
+
+ case EPM_PROTOCOL_NETBIOS:
+ return talloc_strdup(mem_ctx, floor->rhs.netbios.name);
+
+ case EPM_PROTOCOL_NCALRPC:
+ return NULL;
+
+ case EPM_PROTOCOL_VINES_SPP:
+ return talloc_asprintf(mem_ctx, "%d", floor->rhs.vines_spp.port);
+
+ case EPM_PROTOCOL_VINES_IPC:
+ return talloc_asprintf(mem_ctx, "%d", floor->rhs.vines_ipc.port);
+
+ case EPM_PROTOCOL_STREETTALK:
+ return talloc_strdup(mem_ctx, floor->rhs.streettalk.streettalk);
+
+ case EPM_PROTOCOL_UNIX_DS:
+ return talloc_strdup(mem_ctx, floor->rhs.unix_ds.path);
+
+ case EPM_PROTOCOL_NULL:
+ return NULL;
+ }
+
+ return NULL;
+}
+
+static NTSTATUS floor_set_rhs_data(TALLOC_CTX *mem_ctx, struct epm_floor *floor, const char *data)
+{
+ switch (floor->lhs.protocol) {
+ case EPM_PROTOCOL_TCP:
+ floor->rhs.tcp.port = atoi(data);
+ return NT_STATUS_OK;
+
+ case EPM_PROTOCOL_UDP:
+ floor->rhs.udp.port = atoi(data);
+ return NT_STATUS_OK;
+
+ case EPM_PROTOCOL_HTTP:
+ floor->rhs.http.port = atoi(data);
+ return NT_STATUS_OK;
+
+ case EPM_PROTOCOL_IP:
+ floor->rhs.ip.address = 0;
+
+ /* Only try to put in a IPv4 address. Windows 2003 just returns
+ * 0.0.0.0 for IPv6 addresses */
+ if (strlen(data) > 0) {
+ struct addrinfo hints, *res;
+
+ memset(&hints, 0, sizeof(struct addrinfo));
+
+ hints.ai_family = AF_INET;
+ hints.ai_protocol = PF_INET;
+
+ if (getaddrinfo(data, NULL, &hints, &res) < 0) {
+ return NT_STATUS_BAD_NETWORK_NAME;
+ }
+
+ floor->rhs.ip.address = ntohl(((struct sockaddr_in *)res->ai_addr)->sin_addr.s_addr);
+
+ freeaddrinfo(res);
+ }
+ return NT_STATUS_OK;
+
+ case EPM_PROTOCOL_NCACN:
+ floor->rhs.ncacn.minor_version = 0;
+ return NT_STATUS_OK;
+
+ case EPM_PROTOCOL_NCADG:
+ floor->rhs.ncadg.minor_version = 0;
+ return NT_STATUS_OK;
+
+ case EPM_PROTOCOL_SMB:
+ floor->rhs.smb.unc = talloc_strdup(mem_ctx, data);
+ if (!floor->rhs.smb.unc) {
+ return NT_STATUS_NO_MEMORY;
+ }
+ return NT_STATUS_OK;
+
+ case EPM_PROTOCOL_PIPE:
+ floor->rhs.pipe.path = talloc_strdup(mem_ctx, data);
+ if (!floor->rhs.pipe.path) {
+ return NT_STATUS_NO_MEMORY;
+ }
+ return NT_STATUS_OK;
+
+ case EPM_PROTOCOL_NETBIOS:
+ floor->rhs.netbios.name = talloc_strdup(mem_ctx, data);
+ if (!floor->rhs.netbios.name) {
+ return NT_STATUS_NO_MEMORY;
+ }
+ return NT_STATUS_OK;
+
+ case EPM_PROTOCOL_NCALRPC:
+ return NT_STATUS_OK;
+
+ case EPM_PROTOCOL_VINES_SPP:
+ floor->rhs.vines_spp.port = atoi(data);
+ return NT_STATUS_OK;
+
+ case EPM_PROTOCOL_VINES_IPC:
+ floor->rhs.vines_ipc.port = atoi(data);
+ return NT_STATUS_OK;
+
+ case EPM_PROTOCOL_STREETTALK:
+ floor->rhs.streettalk.streettalk = talloc_strdup(mem_ctx, data);
+ if (!floor->rhs.streettalk.streettalk) {
+ return NT_STATUS_NO_MEMORY;
+ }
+ return NT_STATUS_OK;
+
+ case EPM_PROTOCOL_UNIX_DS:
+ floor->rhs.unix_ds.path = talloc_strdup(mem_ctx, data);
+ if (!floor->rhs.unix_ds.path) {
+ return NT_STATUS_NO_MEMORY;
+ }
+ return NT_STATUS_OK;
+
+ case EPM_PROTOCOL_NULL:
+ return NT_STATUS_OK;
+ }
+
+ return NT_STATUS_NOT_SUPPORTED;
+}
+
+enum dcerpc_transport_t dcerpc_transport_by_tower(struct epm_tower *tower)
+{
+ int i;
+
+ /* Find a transport that matches this tower */
+ for (i=0;i<ARRAY_SIZE(transports);i++) {
+ int j;
+ if (transports[i].num_protocols != tower->num_floors - 2) {
+ continue;
+ }
+
+ for (j = 0; j < transports[i].num_protocols; j++) {
+ if (transports[i].protseq[j] != tower->floors[j+2].lhs.protocol) {
+ break;
+ }
+ }
+
+ if (j == transports[i].num_protocols) {
+ return transports[i].transport;
+ }
+ }
+
+ /* Unknown transport */
+ return -1;
+}
+
+NTSTATUS dcerpc_binding_from_tower(TALLOC_CTX *mem_ctx, struct epm_tower *tower, struct dcerpc_binding *binding)
+{
+ ZERO_STRUCT(binding->object);
+ binding->options = NULL;
+ binding->host = NULL;
+ binding->flags = 0;
+
+ binding->transport = dcerpc_transport_by_tower(tower);
+
+ if (binding->transport == -1) {
+ return NT_STATUS_NOT_SUPPORTED;
+ }
+
+ if (tower->num_floors < 1) {
+ return NT_STATUS_OK;
+ }
+
+ /* Set object uuid */
+ binding->object = tower->floors[0].lhs.info.uuid.uuid;
+ binding->object_version = tower->floors[0].lhs.info.uuid.version;
+
+ /* Ignore floor 1, it contains the NDR version info */
+
+ binding->options = talloc_array_p(mem_ctx, const char *, 2);
+
+ /* Set endpoint */
+ if (tower->num_floors >= 4) {
+ binding->options[0] = floor_get_rhs_data(mem_ctx, &tower->floors[3]);
+ } else {
+ binding->options[0] = NULL;
+ }
+ binding->options[1] = NULL;
+
+ /* Set network address */
+ if (tower->num_floors >= 5) {
+ binding->host = floor_get_rhs_data(mem_ctx, &tower->floors[4]);
+ }
+ return NT_STATUS_OK;
+}
+
+NTSTATUS dcerpc_binding_build_tower(TALLOC_CTX *mem_ctx, struct dcerpc_binding *binding, struct epm_tower *tower)
+{
+ const enum epm_protocols *protseq;
+ int num_protocols = -1, i;
+ NTSTATUS status;
+
+ /* Find transport */
+ for (i=0;i<ARRAY_SIZE(transports);i++) {
+ if (transports[i].transport == binding->transport) {
+ protseq = transports[i].protseq;
+ num_protocols = transports[i].num_protocols;
+ break;
+ }
+ }
+
+ if (num_protocols == -1) {
+ DEBUG(0, ("Unable to find transport with id '%d'\n", binding->transport));
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+
+ tower->num_floors = 2 + num_protocols;
+ tower->floors = talloc_array_p(mem_ctx, struct epm_floor, tower->num_floors);
+
+ /* Floor 0 */
+ tower->floors[0].lhs.protocol = EPM_PROTOCOL_UUID;
+ tower->floors[0].lhs.info.uuid.uuid = binding->object;
+ tower->floors[0].lhs.info.uuid.version = binding->object_version;
+ tower->floors[0].rhs.uuid.unknown = 0;
+
+ /* Floor 1 */
+ tower->floors[1].lhs.protocol = EPM_PROTOCOL_UUID;
+ tower->floors[1].lhs.info.uuid.version = NDR_GUID_VERSION;
+ tower->floors[1].rhs.uuid.unknown = 0;
+ status = GUID_from_string(NDR_GUID, &tower->floors[1].lhs.info.uuid.uuid);
+ if (NT_STATUS_IS_ERR(status)) {
+ return status;
+ }
+
+ /* Floor 2 to num_protocols */
+ for (i = 0; i < num_protocols; i++) {
+ tower->floors[2 + i].lhs.protocol = protseq[i];
+ tower->floors[2 + i].lhs.info.lhs_data = data_blob_talloc(mem_ctx, NULL, 0);
+ ZERO_STRUCT(tower->floors[2 + i].rhs);
+ }
+
+ /* The 4th floor contains the endpoint */
+ if (num_protocols >= 2 && binding->options && binding->options[0]) {
+ status = floor_set_rhs_data(mem_ctx, &tower->floors[3], binding->options[0]);
+ if (NT_STATUS_IS_ERR(status)) {
+ return status;
+ }
+ }
+ /* The 5th contains the network address */
+ if (num_protocols >= 3 && binding->host) {
+ status = floor_set_rhs_data(mem_ctx, &tower->floors[4], binding->host);
+ if (NT_STATUS_IS_ERR(status)) {
+ return status;
+ }
+ }
+
+ return NT_STATUS_OK;
+}
+
/* open a rpc connection to a rpc pipe on SMB using the binding
structure to determine the endpoint and options */
static NTSTATUS dcerpc_pipe_connect_ncacn_np(struct dcerpc_pipe **p,
struct dcerpc_binding *binding,
const char *pipe_uuid,
- uint32 pipe_version,
+ uint32_t pipe_version,
const char *domain,
const char *username,
const char *password)
{
NTSTATUS status;
BOOL retry;
- struct cli_state *cli;
+ struct smbcli_state *cli;
const char *pipe_name;
+ TALLOC_CTX *mem_ctx = talloc_init("dcerpc_pipe_connect_ncacn_np");
- if (!binding->options || !binding->options[0]) {
+ if (!binding->options || !binding->options[0] || !strlen(binding->options[0])) {
const struct dcerpc_interface_table *table = idl_iface_by_uuid(pipe_uuid);
+ struct dcerpc_binding default_binding;
+ int i;
+
if (!table) {
DEBUG(0,("Unknown interface endpoint '%s'\n", pipe_uuid));
+ talloc_destroy(mem_ctx);
return NT_STATUS_INVALID_PARAMETER;
}
- /* only try the first endpoint for now */
- pipe_name = table->endpoints->names[0];
+
+ /* Find one of the default pipes for this interface */
+ for (i = 0; i < table->endpoints->count; i++) {
+ status = dcerpc_parse_binding(mem_ctx, table->endpoints->names[i], &default_binding);
+
+ if (NT_STATUS_IS_OK(status) && default_binding.transport == NCACN_NP) {
+ pipe_name = default_binding.options[0];
+ break;
+
+ }
+ }
} else {
pipe_name = binding->options[0];
}
- if (strncasecmp(pipe_name, "\\pipe\\", 6) == 0) {
- pipe_name += 6;
+ if (!strncasecmp(pipe_name, "/pipe/", 6) ||
+ !strncasecmp(pipe_name, "\\pipe\\", 6)) {
+ pipe_name+=6;
+ }
+
+ if (pipe_name[0] != '\\') {
+ pipe_name = talloc_asprintf(mem_ctx, "\\%s", pipe_name);
}
- if (strncasecmp(pipe_name, "/pipe/", 6) == 0) {
- pipe_name += 6;
+
+ if (!username || !username[0]) {
+ status = smbcli_full_connection(NULL, &cli, lp_netbios_name(),
+ binding->host, NULL,
+ "ipc$", "?????",
+ "", "", NULL, 0, &retry);
+ } else {
+ status = smbcli_full_connection(NULL, &cli, lp_netbios_name(),
+ binding->host, NULL,
+ "ipc$", "?????",
+ username, domain,
+ password, 0, &retry);
}
-
- status = cli_full_connection(&cli, lp_netbios_name(),
- binding->host, NULL,
- "ipc$", "?????",
- username, username[0]?domain:"",
- password, 0, &retry);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(0,("Failed to connect to %s - %s\n", binding->host, nt_errstr(status)));
+ talloc_destroy(mem_ctx);
return status;
}
status = dcerpc_pipe_open_smb(p, cli->tree, pipe_name);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(0,("Failed to open pipe %s - %s\n", pipe_name, nt_errstr(status)));
- cli_tdis(cli);
- cli_shutdown(cli);
- return status;
- }
+ smbcli_tdis(cli);
+ smbcli_shutdown(cli);
+ talloc_destroy(mem_ctx);
+ return status;
+ }
+
+ talloc_destroy(mem_ctx);
/* this ensures that the reference count is decremented so
a pipe close will really close the link */
- cli_tree_close(cli->tree);
-
+ talloc_steal(*p, cli);
+
(*p)->flags = binding->flags;
- if (binding->flags & DCERPC_SCHANNEL) {
- const char *trust_password = secrets_fetch_machine_password();
- if (!trust_password) {
- DEBUG(0,("Unable to fetch machine password\n"));
- goto done;
- }
+ /* remember the binding string for possible secondary connections */
+ (*p)->binding_string = dcerpc_binding_string((*p), binding);
+
+ if (username && username[0] && (binding->flags & DCERPC_SCHANNEL_ANY)) {
status = dcerpc_bind_auth_schannel(*p, pipe_uuid, pipe_version,
- lp_workgroup(),
- lp_netbios_name(),
- trust_password);
- } else if (binding->flags & (DCERPC_SIGN | DCERPC_SEAL)) {
+ domain, username, password);
+ } else if (username && username[0] &&
+ (binding->flags & (DCERPC_CONNECT|DCERPC_SIGN|DCERPC_SEAL))) {
status = dcerpc_bind_auth_ntlm(*p, pipe_uuid, pipe_version, domain, username, password);
} else {
status = dcerpc_bind_auth_none(*p, pipe_uuid, pipe_version);
+
}
-done:
if (!NT_STATUS_IS_OK(status)) {
DEBUG(0,("Failed to bind to uuid %s - %s\n", pipe_uuid, nt_errstr(status)));
dcerpc_pipe_close(*p);
+ *p = NULL;
return status;
}
static NTSTATUS dcerpc_pipe_connect_ncacn_ip_tcp(struct dcerpc_pipe **p,
struct dcerpc_binding *binding,
const char *pipe_uuid,
- uint32 pipe_version,
+ uint32_t pipe_version,
const char *domain,
const char *username,
const char *password)
{
NTSTATUS status;
- uint32 port = 0;
+ uint32_t port = 0;
- if (binding->options && binding->options[0]) {
+ if (binding->options && binding->options[0] && strlen(binding->options[0])) {
port = atoi(binding->options[0]);
}
DEBUG(1,("Mapped to DCERPC/TCP port %u\n", port));
}
- status = dcerpc_pipe_open_tcp(p, binding->host, port);
+ status = dcerpc_pipe_open_tcp(p, binding->host, port, AF_UNSPEC);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(0,("Failed to connect to %s:%d\n", binding->host, port));
return status;
}
- /* it doesn't seem to work to do a null NTLMSSP session without either sign
- or seal, so force signing if we are doing ntlmssp */
- if (username[0] && !(binding->flags & (DCERPC_SIGN|DCERPC_SEAL))) {
- binding->flags |= DCERPC_SIGN;
- }
-
(*p)->flags = binding->flags;
- if (!(binding->flags & (DCERPC_SIGN|DCERPC_SEAL)) && !username[0]) {
+ /* remember the binding string for possible secondary connections */
+ (*p)->binding_string = dcerpc_binding_string((*p), binding);
+
+ if (username && username[0] && (binding->flags & DCERPC_SCHANNEL_ANY)) {
+ status = dcerpc_bind_auth_schannel(*p, pipe_uuid, pipe_version,
+ domain, username, password);
+ } else if (username && username[0]) {
+ status = dcerpc_bind_auth_ntlm(*p, pipe_uuid, pipe_version, domain, username, password);
+ } else {
status = dcerpc_bind_auth_none(*p, pipe_uuid, pipe_version);
- } else {
- status = dcerpc_bind_auth_ntlm(*p, pipe_uuid, pipe_version,
- domain, username, password);
}
if (!NT_STATUS_IS_OK(status)) {
- DEBUG(0,("Failed to bind to uuid %s - %s\n", pipe_uuid, nt_errstr(status)));
+ DEBUG(0,("Failed to bind to uuid %s - %s\n",
+ pipe_uuid, nt_errstr(status)));
dcerpc_pipe_close(*p);
+ *p = NULL;
return status;
}
NTSTATUS dcerpc_pipe_connect_b(struct dcerpc_pipe **p,
struct dcerpc_binding *binding,
const char *pipe_uuid,
- uint32 pipe_version,
+ uint32_t pipe_version,
const char *domain,
const char *username,
const char *password)
status = dcerpc_pipe_connect_ncacn_ip_tcp(p, binding, pipe_uuid, pipe_version,
domain, username, password);
break;
- }
-
- /* remember the binding string for possible secondary connections */
- if (NT_STATUS_IS_OK(status)) {
- (*p)->binding_string = dcerpc_binding_string((*p)->mem_ctx, binding);
+ default:
+ return NT_STATUS_NOT_SUPPORTED;
}
return status;
NTSTATUS dcerpc_pipe_connect(struct dcerpc_pipe **p,
const char *binding,
const char *pipe_uuid,
- uint32 pipe_version,
+ uint32_t pipe_version,
const char *domain,
const char *username,
const char *password)
/*
- create a secondary dcerpc connection on SMB
- the secondary connection will be on the same SMB connection, but
- use a new fnum
+ create a secondary dcerpc connection from a primary connection
+
+ if the primary is a SMB connection then the secondary connection
+ will be on the same SMB connection, but use a new fnum
*/
-NTSTATUS dcerpc_secondary_smb(struct dcerpc_pipe *p, struct dcerpc_pipe **p2,
- const char *pipe_name,
- const char *pipe_uuid,
- uint32 pipe_version)
+NTSTATUS dcerpc_secondary_connection(struct dcerpc_pipe *p, struct dcerpc_pipe **p2,
+ const char *pipe_name,
+ const char *pipe_uuid,
+ uint32_t pipe_version)
{
- NTSTATUS status;
- struct cli_tree *tree;
+ struct smbcli_tree *tree;
+ NTSTATUS status = NT_STATUS_INVALID_PARAMETER;
+ struct dcerpc_binding b;
- tree = dcerpc_smb_tree(p);
- if (!tree) {
- return NT_STATUS_INVALID_PARAMETER;
+ switch (p->transport.transport) {
+ case NCACN_NP:
+ tree = dcerpc_smb_tree(p);
+ if (!tree) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ status = dcerpc_pipe_open_smb(p2, tree, pipe_name);
+ break;
+
+ case NCACN_IP_TCP:
+ status = dcerpc_parse_binding(p, p->binding_string, &b);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+ b.flags &= ~DCERPC_AUTH_OPTIONS;
+ status = dcerpc_pipe_connect_ncacn_ip_tcp(p2, &b, pipe_uuid,
+ pipe_version, NULL,
+ NULL, NULL);
+ break;
+ default:
+ return NT_STATUS_NOT_SUPPORTED;
}
- status = dcerpc_pipe_open_smb(p2, tree, pipe_name);
if (!NT_STATUS_IS_OK(status)) {
- return status;
- }
-
+ return status;
+ }
+
(*p2)->flags = p->flags;
status = dcerpc_bind_auth_none(*p2, pipe_uuid, pipe_version);
return NT_STATUS_OK;
}
+
+NTSTATUS dcerpc_generic_session_key(struct dcerpc_pipe *p,
+ DATA_BLOB *session_key)
+{
+ /* this took quite a few CPU cycles to find ... */
+ session_key->data = discard_const_p(unsigned char, "SystemLibraryDTC");
+ session_key->length = 16;
+ return NT_STATUS_OK;
+}
+
+/*
+ fetch the user session key - may be default (above) or the SMB session key
+*/
+NTSTATUS dcerpc_fetch_session_key(struct dcerpc_pipe *p,
+ DATA_BLOB *session_key)
+{
+ return p->security_state.session_key(p, session_key);
+}
+
+
+/*
+ log a rpc packet in a format suitable for ndrdump. This is especially useful
+ for sealed packets, where ethereal cannot easily see the contents
+
+ this triggers on a debug level of >= 10
+*/
+void dcerpc_log_packet(const struct dcerpc_interface_table *ndr,
+ uint32_t opnum, uint32_t flags, DATA_BLOB *pkt)
+{
+ const int num_examples = 20;
+ int i;
+
+ if (DEBUGLEVEL < 10) return;
+
+ for (i=0;i<num_examples;i++) {
+ char *name=NULL;
+ asprintf(&name, "%s/rpclog/%s-%u.%d.%s",
+ lp_lockdir(), ndr->name, opnum, i,
+ (flags&NDR_IN)?"in":"out");
+ if (name == NULL) {
+ return;
+ }
+ if (!file_exist(name, NULL)) {
+ if (file_save(name, pkt->data, pkt->length)) {
+ DEBUG(10,("Logged rpc packet to %s\n", name));
+ }
+ free(name);
+ break;
+ }
+ free(name);
+ }
+}
+
git.samba.org / gd / samba-autobuild / .git / blobdiff