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-rw-r--r--source3/rpc_server/lsa/srv_lsa_nt.c501
1 files changed, 499 insertions, 2 deletions
diff --git a/source3/rpc_server/lsa/srv_lsa_nt.c b/source3/rpc_server/lsa/srv_lsa_nt.c
index d215085ddf..dee679eb79 100644
--- a/source3/rpc_server/lsa/srv_lsa_nt.c
+++ b/source3/rpc_server/lsa/srv_lsa_nt.c
@@ -39,6 +39,7 @@
#include "../librpc/gen_ndr/drsblobs.h"
#include "../librpc/gen_ndr/ndr_drsblobs.h"
#include "../lib/crypto/arcfour.h"
+#include "../libcli/security/dom_sid.h"
#undef DBGC_CLASS
#define DBGC_CLASS DBGC_RPC_SRV
@@ -3463,11 +3464,507 @@ NTSTATUS _lsa_lsaRQueryForestTrustInformation(struct pipes_struct *p,
return NT_STATUS_NOT_IMPLEMENTED;
}
+#define DNS_CMP_MATCH 0
+#define DNS_CMP_FIRST_IS_CHILD 1
+#define DNS_CMP_SECOND_IS_CHILD 2
+#define DNS_CMP_NO_MATCH 3
+
+/* this function assumes names are well formed DNS names.
+ * it doesn't validate them */
+static int dns_cmp(const char *s1, size_t l1,
+ const char *s2, size_t l2)
+{
+ const char *p1, *p2;
+ size_t t1, t2;
+ int cret;
+
+ if (l1 == l2) {
+ if (StrCaseCmp(s1, s2) == 0) {
+ return DNS_CMP_MATCH;
+ }
+ return DNS_CMP_NO_MATCH;
+ }
+
+ if (l1 > l2) {
+ p1 = s1;
+ p2 = s2;
+ t1 = l1;
+ t2 = l2;
+ cret = DNS_CMP_FIRST_IS_CHILD;
+ } else {
+ p1 = s2;
+ p2 = s1;
+ t1 = l2;
+ t2 = l1;
+ cret = DNS_CMP_SECOND_IS_CHILD;
+ }
+
+ if (p1[t1 - t2 - 1] != '.') {
+ return DNS_CMP_NO_MATCH;
+ }
+
+ if (StrCaseCmp(&p1[t1 - t2], p2) == 0) {
+ return cret;
+ }
+
+ return DNS_CMP_NO_MATCH;
+}
+
+static NTSTATUS make_ft_info(TALLOC_CTX *mem_ctx,
+ struct lsa_ForestTrustInformation *lfti,
+ struct ForestTrustInfo *fti)
+{
+ struct lsa_ForestTrustRecord *lrec;
+ struct ForestTrustInfoRecord *rec;
+ struct lsa_StringLarge *tln;
+ struct lsa_ForestTrustDomainInfo *info;
+ uint32_t i;
+
+ fti->version = 1;
+ fti->count = lfti->count;
+ fti->records = talloc_array(mem_ctx,
+ struct ForestTrustInfoRecordArmor,
+ fti->count);
+ if (!fti->records) {
+ return NT_STATUS_NO_MEMORY;
+ }
+ for (i = 0; i < fti->count; i++) {
+ lrec = lfti->entries[i];
+ rec = &fti->records[i].record;
+
+ rec->flags = lrec->flags;
+ rec->timestamp = lrec->time;
+ rec->type = lrec->type;
+
+ switch (lrec->type) {
+ case LSA_FOREST_TRUST_TOP_LEVEL_NAME:
+ case LSA_FOREST_TRUST_TOP_LEVEL_NAME_EX:
+ tln = &lrec->forest_trust_data.top_level_name;
+ rec->data.name.string =
+ talloc_strdup(mem_ctx, tln->string);
+ if (!rec->data.name.string) {
+ return NT_STATUS_NO_MEMORY;
+ }
+ rec->data.name.size = strlen(rec->data.name.string);
+ break;
+ case LSA_FOREST_TRUST_DOMAIN_INFO:
+ info = &lrec->forest_trust_data.domain_info;
+ rec->data.info.sid = *info->domain_sid;
+ rec->data.info.dns_name.string =
+ talloc_strdup(mem_ctx,
+ info->dns_domain_name.string);
+ if (!rec->data.info.dns_name.string) {
+ return NT_STATUS_NO_MEMORY;
+ }
+ rec->data.info.dns_name.size =
+ strlen(rec->data.info.dns_name.string);
+ rec->data.info.netbios_name.string =
+ talloc_strdup(mem_ctx,
+ info->netbios_domain_name.string);
+ if (!rec->data.info.netbios_name.string) {
+ return NT_STATUS_NO_MEMORY;
+ }
+ rec->data.info.netbios_name.size =
+ strlen(rec->data.info.netbios_name.string);
+ break;
+ default:
+ return NT_STATUS_INVALID_DOMAIN_STATE;
+ }
+ }
+
+ return NT_STATUS_OK;
+}
+
+static NTSTATUS add_collision(struct lsa_ForestTrustCollisionInfo *c_info,
+ uint32_t index, uint32_t collision_type,
+ uint32_t conflict_type, const char *tdo_name);
+
+static NTSTATUS check_ft_info(TALLOC_CTX *mem_ctx,
+ const char *tdo_name,
+ struct ForestTrustInfo *tdo_fti,
+ struct ForestTrustInfo *new_fti,
+ struct lsa_ForestTrustCollisionInfo *c_info)
+{
+ struct ForestTrustInfoRecord *nrec;
+ struct ForestTrustInfoRecord *trec;
+ const char *dns_name;
+ const char *nb_name = NULL;
+ struct dom_sid *sid = NULL;
+ const char *tname = NULL;
+ size_t dns_len = 0;
+ size_t nb_len;
+ size_t tlen = 0;
+ NTSTATUS nt_status;
+ uint32_t new_fti_idx;
+ uint32_t i;
+ /* use always TDO type, until we understand when Xref can be used */
+ uint32_t collision_type = LSA_FOREST_TRUST_COLLISION_TDO;
+ bool tln_conflict;
+ bool sid_conflict;
+ bool nb_conflict;
+ bool exclusion;
+ bool ex_rule = false;
+ int ret;
+
+ for (new_fti_idx = 0; new_fti_idx < new_fti->count; new_fti_idx++) {
+
+ nrec = &new_fti->records[new_fti_idx].record;
+ dns_name = NULL;
+ tln_conflict = false;
+ sid_conflict = false;
+ nb_conflict = false;
+ exclusion = false;
+
+ switch (nrec->type) {
+ case LSA_FOREST_TRUST_TOP_LEVEL_NAME_EX:
+ /* exclusions do not conflict by definition */
+ break;
+
+ case FOREST_TRUST_TOP_LEVEL_NAME:
+ dns_name = nrec->data.name.string;
+ dns_len = nrec->data.name.size;
+ break;
+
+ case LSA_FOREST_TRUST_DOMAIN_INFO:
+ dns_name = nrec->data.info.dns_name.string;
+ dns_len = nrec->data.info.dns_name.size;
+ nb_name = nrec->data.info.netbios_name.string;
+ nb_len = nrec->data.info.netbios_name.size;
+ sid = &nrec->data.info.sid;
+ break;
+ }
+
+ if (!dns_name) continue;
+
+ /* check if this is already taken and not excluded */
+ for (i = 0; i < tdo_fti->count; i++) {
+ trec = &tdo_fti->records[i].record;
+
+ switch (trec->type) {
+ case FOREST_TRUST_TOP_LEVEL_NAME:
+ ex_rule = false;
+ tname = trec->data.name.string;
+ tlen = trec->data.name.size;
+ break;
+ case FOREST_TRUST_TOP_LEVEL_NAME_EX:
+ ex_rule = true;
+ tname = trec->data.name.string;
+ tlen = trec->data.name.size;
+ break;
+ case FOREST_TRUST_DOMAIN_INFO:
+ ex_rule = false;
+ tname = trec->data.info.dns_name.string;
+ tlen = trec->data.info.dns_name.size;
+ }
+ ret = dns_cmp(dns_name, dns_len, tname, tlen);
+ switch (ret) {
+ case DNS_CMP_MATCH:
+ /* if it matches exclusion,
+ * it doesn't conflict */
+ if (ex_rule) {
+ exclusion = true;
+ break;
+ }
+ /* fall through */
+ case DNS_CMP_FIRST_IS_CHILD:
+ case DNS_CMP_SECOND_IS_CHILD:
+ tln_conflict = true;
+ /* fall through */
+ default:
+ break;
+ }
+
+ /* explicit exclusion, no dns name conflict here */
+ if (exclusion) {
+ tln_conflict = false;
+ }
+
+ if (trec->type != FOREST_TRUST_DOMAIN_INFO) {
+ continue;
+ }
+
+ /* also test for domain info */
+ if (!(trec->flags & LSA_SID_DISABLED_ADMIN) &&
+ dom_sid_compare(&trec->data.info.sid, sid) == 0) {
+ sid_conflict = true;
+ }
+ if (!(trec->flags & LSA_NB_DISABLED_ADMIN) &&
+ StrCaseCmp(trec->data.info.netbios_name.string,
+ nb_name) == 0) {
+ nb_conflict = true;
+ }
+ }
+
+ if (tln_conflict) {
+ nt_status = add_collision(c_info, new_fti_idx,
+ collision_type,
+ LSA_TLN_DISABLED_CONFLICT,
+ tdo_name);
+ }
+ if (sid_conflict) {
+ nt_status = add_collision(c_info, new_fti_idx,
+ collision_type,
+ LSA_SID_DISABLED_CONFLICT,
+ tdo_name);
+ }
+ if (nb_conflict) {
+ nt_status = add_collision(c_info, new_fti_idx,
+ collision_type,
+ LSA_NB_DISABLED_CONFLICT,
+ tdo_name);
+ }
+ }
+
+ return NT_STATUS_OK;
+}
+
+static NTSTATUS add_collision(struct lsa_ForestTrustCollisionInfo *c_info,
+ uint32_t idx, uint32_t collision_type,
+ uint32_t conflict_type, const char *tdo_name)
+{
+ struct lsa_ForestTrustCollisionRecord **es;
+ uint32_t i = c_info->count;
+
+ es = talloc_realloc(c_info, c_info->entries,
+ struct lsa_ForestTrustCollisionRecord *, i + 1);
+ if (!es) {
+ return NT_STATUS_NO_MEMORY;
+ }
+ c_info->entries = es;
+ c_info->count = i + 1;
+
+ es[i] = talloc(es, struct lsa_ForestTrustCollisionRecord);
+ if (!es[i]) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ es[i]->index = idx;
+ es[i]->type = collision_type;
+ es[i]->flags.flags = conflict_type;
+ es[i]->name.string = talloc_strdup(es[i], tdo_name);
+ if (!es[i]->name.string) {
+ return NT_STATUS_NO_MEMORY;
+ }
+ es[i]->name.size = strlen(es[i]->name.string);
+
+ return NT_STATUS_OK;
+}
+
+static NTSTATUS get_ft_info(TALLOC_CTX *mem_ctx,
+ struct pdb_trusted_domain *td,
+ struct ForestTrustInfo *info)
+{
+ enum ndr_err_code ndr_err;
+
+ if (td->trust_forest_trust_info.length == 0 ||
+ td->trust_forest_trust_info.data == NULL) {
+ return NT_STATUS_OBJECT_NAME_NOT_FOUND;
+ }
+ ndr_err = ndr_pull_struct_blob_all(&td->trust_forest_trust_info, mem_ctx,
+ info,
+ (ndr_pull_flags_fn_t)ndr_pull_ForestTrustInfo);
+ if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+ return NT_STATUS_INVALID_DOMAIN_STATE;
+ }
+
+ return NT_STATUS_OK;
+}
+
+static NTSTATUS own_ft_info(struct pdb_domain_info *dom_info,
+ struct ForestTrustInfo *fti)
+{
+ struct ForestTrustDataDomainInfo *info;
+ struct ForestTrustInfoRecord *rec;
+
+ fti->version = 1;
+ fti->count = 2;
+ fti->records = talloc_array(fti,
+ struct ForestTrustInfoRecordArmor, 2);
+ if (!fti->records) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ /* TLN info */
+ rec = &fti->records[0].record;
+
+ rec->flags = 0;
+ rec->timestamp = 0;
+ rec->type = LSA_FOREST_TRUST_TOP_LEVEL_NAME;
+
+ rec->data.name.string = talloc_strdup(fti, dom_info->dns_forest);
+ if (!rec->data.name.string) {
+ return NT_STATUS_NO_MEMORY;
+ }
+ rec->data.name.size = strlen(rec->data.name.string);
+
+ /* DOMAIN info */
+ rec = &fti->records[1].record;
+
+ rec->flags = 0;
+ rec->timestamp = 0;
+ rec->type = LSA_FOREST_TRUST_DOMAIN_INFO;
+
+ info = &rec->data.info;
+
+ info->sid = dom_info->sid;
+ info->dns_name.string = talloc_strdup(fti, dom_info->dns_domain);
+ if (!info->dns_name.string) {
+ return NT_STATUS_NO_MEMORY;
+ }
+ info->dns_name.size = strlen(info->dns_name.string);
+ info->netbios_name.string = talloc_strdup(fti, dom_info->name);
+ if (!info->netbios_name.string) {
+ return NT_STATUS_NO_MEMORY;
+ }
+ info->netbios_name.size = strlen(info->netbios_name.string);
+
+ return NT_STATUS_OK;
+}
+
NTSTATUS _lsa_lsaRSetForestTrustInformation(struct pipes_struct *p,
struct lsa_lsaRSetForestTrustInformation *r)
{
- p->rng_fault_state = True;
- return NT_STATUS_NOT_IMPLEMENTED;
+ NTSTATUS status;
+ int i;
+ int j;
+ struct lsa_info *handle;
+ uint32_t num_domains;
+ struct pdb_trusted_domain **domains;
+ struct ForestTrustInfo *nfti;
+ struct ForestTrustInfo *fti;
+ struct lsa_ForestTrustCollisionInfo *c_info;
+ struct pdb_domain_info *dom_info;
+ enum ndr_err_code ndr_err;
+
+ if (!IS_DC) {
+ return NT_STATUS_NOT_SUPPORTED;
+ }
+
+ if (!find_policy_by_hnd(p, r->in.handle, (void **)(void *)&handle)) {
+ return NT_STATUS_INVALID_HANDLE;
+ }
+
+ if (handle->type != LSA_HANDLE_TRUST_TYPE) {
+ return NT_STATUS_INVALID_HANDLE;
+ }
+
+ if (!(handle->access & LSA_TRUSTED_SET_AUTH)) {
+ return NT_STATUS_ACCESS_DENIED;
+ }
+
+ status = pdb_enum_trusted_domains(p->mem_ctx, &num_domains, &domains);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+ if (num_domains == 0) {
+ return NT_STATUS_NO_SUCH_DOMAIN;
+ }
+
+ for (i = 0; i < num_domains; i++) {
+ if (domains[i]->domain_name == NULL) {
+ return NT_STATUS_INVALID_DOMAIN_STATE;
+ }
+ if (StrCaseCmp(domains[i]->domain_name,
+ r->in.trusted_domain_name->string) == 0) {
+ break;
+ }
+ }
+ if (i >= num_domains) {
+ return NT_STATUS_NO_SUCH_DOMAIN;
+ }
+
+ if (!(domains[i]->trust_attributes &
+ LSA_TRUST_ATTRIBUTE_FOREST_TRANSITIVE)) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ if (r->in.highest_record_type >= LSA_FOREST_TRUST_RECORD_TYPE_LAST) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ /* The following section until COPY_END is a copy from
+ * source4/rpmc_server/lsa/scesrc_lsa.c */
+ nfti = talloc(p->mem_ctx, struct ForestTrustInfo);
+ if (!nfti) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ status = make_ft_info(nfti, r->in.forest_trust_info, nfti);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+
+ c_info = talloc_zero(r->out.collision_info,
+ struct lsa_ForestTrustCollisionInfo);
+ if (!c_info) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ /* first check own info, then other domains */
+ fti = talloc(p->mem_ctx, struct ForestTrustInfo);
+ if (!fti) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ dom_info = pdb_get_domain_info(p->mem_ctx);
+
+ status = own_ft_info(dom_info, fti);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+
+ status = check_ft_info(c_info, dom_info->dns_domain, fti, nfti, c_info);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+
+ for (j = 0; j < num_domains; j++) {
+ fti = talloc(p->mem_ctx, struct ForestTrustInfo);
+ if (!fti) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ status = get_ft_info(p->mem_ctx, domains[j], fti);
+ if (!NT_STATUS_IS_OK(status)) {
+ if (NT_STATUS_EQUAL(status,
+ NT_STATUS_OBJECT_NAME_NOT_FOUND)) {
+ continue;
+ }
+ return status;
+ }
+
+ if (domains[j]->domain_name == NULL) {
+ return NT_STATUS_INVALID_DOMAIN_STATE;
+ }
+
+ status = check_ft_info(c_info, domains[j]->domain_name,
+ fti, nfti, c_info);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+ }
+
+ *r->out.collision_info = c_info;
+
+ if (r->in.check_only != 0) {
+ return NT_STATUS_OK;
+ }
+
+ /* COPY_END */
+
+ ndr_err = ndr_push_struct_blob(&domains[i]->trust_forest_trust_info,
+ p->mem_ctx, nfti,
+ (ndr_push_flags_fn_t)ndr_push_ForestTrustInfo);
+ if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ status = pdb_set_trusted_domain(domains[i]->domain_name, domains[i]);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+
+ return NT_STATUS_OK;
}
NTSTATUS _lsa_CREDRRENAME(struct pipes_struct *p,