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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 17:20:00 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 17:20:00 +0000
commit8daa83a594a2e98f39d764422bfbdbc62c9efd44 (patch)
tree4099e8021376c7d8c05bdf8503093d80e9c7bad0 /auth/auth_sam_reply.c
parentInitial commit. (diff)
downloadsamba-8daa83a594a2e98f39d764422bfbdbc62c9efd44.tar.xz
samba-8daa83a594a2e98f39d764422bfbdbc62c9efd44.zip
Adding upstream version 2:4.20.0+dfsg.upstream/2%4.20.0+dfsg
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'auth/auth_sam_reply.c')
-rw-r--r--auth/auth_sam_reply.c955
1 files changed, 955 insertions, 0 deletions
diff --git a/auth/auth_sam_reply.c b/auth/auth_sam_reply.c
new file mode 100644
index 0000000..8c0ebe5
--- /dev/null
+++ b/auth/auth_sam_reply.c
@@ -0,0 +1,955 @@
+/*
+ Unix SMB/CIFS implementation.
+
+ Convert a server info struct into the form for PAC and NETLOGON replies
+
+ Copyright (C) Andrew Bartlett <abartlet@samba.org> 2004-2011
+ Copyright (C) Stefan Metzmacher <metze@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 3 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, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+#include "librpc/gen_ndr/auth.h"
+#include "libcli/security/security.h"
+#include "auth/auth_sam_reply.h"
+
+/* Returns true if this SID belongs in SamBaseInfo, otherwise false. */
+static bool is_base_sid(const struct auth_SidAttr *sid,
+ const struct dom_sid *domain_sid)
+{
+ if (sid->attrs & SE_GROUP_RESOURCE) {
+ /*
+ * Resource groups don't belong in the base
+ * RIDs, they're handled elsewhere.
+ */
+ return false;
+ }
+
+ /*
+ * This SID belongs in the base structure only if it's in the account's
+ * domain.
+ */
+ return dom_sid_in_domain(domain_sid, &sid->sid);
+}
+
+/* Stores a SID in a previously allocated array. */
+static NTSTATUS store_extra_sid(struct netr_SidAttr *sids,
+ uint32_t *sidcount,
+ const uint32_t allocated_sids,
+ const struct auth_SidAttr *sid)
+{
+ /* Check we aren't about to overflow our allocation. */
+ if (*sidcount >= allocated_sids) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ sids[*sidcount].sid = dom_sid_dup(sids, &sid->sid);
+ if (sids[*sidcount].sid == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
+ sids[*sidcount].attributes = sid->attrs;
+ *sidcount += 1;
+
+ return NT_STATUS_OK;
+}
+
+/*
+ * Stores a resource SID in a previously allocated array, either Extra SIDs or
+ * Resource SIDs. Any SID within the domain of the first SID so added is stored
+ * there, while remaining SIDs are stored in Extra SIDs.
+ */
+static NTSTATUS store_resource_sid(struct netr_SidAttr *sids,
+ uint32_t *sidcount,
+ const uint32_t allocated_sids,
+ const struct auth_SidAttr *sid,
+ struct PAC_DOMAIN_GROUP_MEMBERSHIP *resource_groups,
+ const uint32_t allocated_resource_groups)
+{
+ NTSTATUS status;
+
+ struct dom_sid *resource_domain = NULL;
+ uint32_t rid;
+
+ if (resource_groups == NULL) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ /* Split the SID into domain and RID. */
+ status = dom_sid_split_rid(resource_groups, &sid->sid, &resource_domain, &rid);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+
+ if (resource_groups->domain_sid == NULL) {
+ /*
+ * There is no domain SID set. Set it to the domain of this SID.
+ */
+ resource_groups->domain_sid = resource_domain;
+ } else {
+ /*
+ * A domain SID has already been set. Check whether this SID's
+ * domain matches.
+ *
+ * Assuming that resource SIDs have been obtained with
+ * dsdb_expand_nested_groups(), they should all be within the
+ * same domain (ours), so unless something has gone horribly
+ * wrong, we should always find that they match.
+ */
+ bool match = dom_sid_equal(resource_groups->domain_sid, resource_domain);
+ talloc_free(resource_domain);
+ if (!match) {
+ /*
+ * It doesn't match, so we can't store this SID here. It
+ * will have to go in Extra SIDs.
+ */
+ return store_extra_sid(sids, sidcount, allocated_sids, sid);
+ }
+ }
+
+ /* Store the SID in Resource SIDs. */
+
+ /* Check we aren't about to overflow our allocation. */
+ if (resource_groups->groups.count >= allocated_resource_groups) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ resource_groups->groups.rids[resource_groups->groups.count].rid = rid;
+ resource_groups->groups.rids[resource_groups->groups.count].attributes = sid->attrs;
+ resource_groups->groups.count++;
+
+ return NT_STATUS_OK;
+}
+
+/*
+ * Stores a SID in a previously allocated array, or excludes it if we are not
+ * storing resource groups. It will be placed in either Extra SIDs or Resource
+ * SIDs, depending on which is appropriate.
+ */
+static NTSTATUS store_sid(struct netr_SidAttr *sids,
+ uint32_t *sidcount,
+ const uint32_t allocated_sids,
+ const struct auth_SidAttr *sid,
+ struct PAC_DOMAIN_GROUP_MEMBERSHIP *resource_groups,
+ const uint32_t allocated_resource_groups,
+ const enum auth_group_inclusion group_inclusion)
+{
+ /* See if it's a resource SID. */
+ if (sid->attrs & SE_GROUP_RESOURCE) {
+ /*
+ * If this is the SID of a resource group, determine whether it
+ * should be included or filtered out.
+ */
+ switch (group_inclusion) {
+ case AUTH_INCLUDE_RESOURCE_GROUPS:
+ /* Include this SID in Extra SIDs. */
+ break;
+ case AUTH_INCLUDE_RESOURCE_GROUPS_COMPRESSED:
+ /*
+ * Try to include this SID in Resource Groups. If this
+ * can't be arranged, we shall fall back to Extra
+ * SIDs.
+ */
+ return store_resource_sid(sids,
+ sidcount,
+ allocated_sids,
+ sid,
+ resource_groups,
+ allocated_resource_groups);
+ case AUTH_EXCLUDE_RESOURCE_GROUPS:
+ /* Ignore this SID. */
+ return NT_STATUS_OK;
+ default:
+ /* This means we have a bug. */
+ DBG_ERR("invalid group inclusion parameter: %u\n", group_inclusion);
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+ }
+
+ /* Just store the SID in Extra SIDs. */
+ return store_extra_sid(sids,
+ sidcount,
+ allocated_sids,
+ sid);
+}
+
+static NTSTATUS auth_convert_user_info_dc_sambaseinfo(TALLOC_CTX *mem_ctx,
+ const struct auth_user_info_dc *user_info_dc,
+ struct netr_SamBaseInfo *sam)
+{
+ NTSTATUS status;
+ const struct auth_user_info *info;
+
+ ZERO_STRUCTP(sam);
+
+ if (user_info_dc->num_sids > PRIMARY_USER_SID_INDEX) {
+ status = dom_sid_split_rid(sam, &user_info_dc->sids[PRIMARY_USER_SID_INDEX].sid,
+ &sam->domain_sid, &sam->rid);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+ } else {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ if (user_info_dc->num_sids > PRIMARY_GROUP_SID_INDEX) {
+ status = dom_sid_split_rid(NULL, &user_info_dc->sids[PRIMARY_GROUP_SID_INDEX].sid,
+ NULL, &sam->primary_gid);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+ } else {
+ /* if we have to encode something like SYSTEM (with no
+ * second SID in the token) then this is the only
+ * choice */
+ sam->primary_gid = sam->rid;
+ }
+
+ info = user_info_dc->info;
+
+ sam->logon_time = info->last_logon;
+ sam->logoff_time = info->last_logoff;
+ sam->kickoff_time = info->acct_expiry;
+ sam->last_password_change = info->last_password_change;
+ sam->allow_password_change = info->allow_password_change;
+ sam->force_password_change = info->force_password_change;
+
+#define _COPY_STRING_TALLOC(src_name, dst_name) do { \
+ if (info->src_name != NULL) {\
+ sam->dst_name.string = talloc_strdup(mem_ctx, info->src_name); \
+ if (sam->dst_name.string == NULL) { \
+ return NT_STATUS_NO_MEMORY; \
+ } \
+ } \
+} while(0)
+ _COPY_STRING_TALLOC(account_name, account_name);
+ _COPY_STRING_TALLOC(full_name, full_name);
+ _COPY_STRING_TALLOC(logon_script, logon_script);
+ _COPY_STRING_TALLOC(profile_path, profile_path);
+ _COPY_STRING_TALLOC(home_directory, home_directory);
+ _COPY_STRING_TALLOC(home_drive, home_drive);
+ _COPY_STRING_TALLOC(logon_server, logon_server);
+ _COPY_STRING_TALLOC(domain_name, logon_domain);
+#undef _COPY_STRING_TALLOC
+
+ sam->logon_count = info->logon_count;
+ sam->bad_password_count = info->bad_password_count;
+ sam->groups.count = 0;
+ sam->groups.rids = NULL;
+
+ if (user_info_dc->num_sids > REMAINING_SIDS_INDEX) {
+ size_t i;
+ sam->groups.rids = talloc_array(mem_ctx, struct samr_RidWithAttribute,
+ user_info_dc->num_sids);
+
+ if (sam->groups.rids == NULL)
+ return NT_STATUS_NO_MEMORY;
+
+ for (i=REMAINING_SIDS_INDEX; i<user_info_dc->num_sids; i++) {
+ struct auth_SidAttr *group_sid = &user_info_dc->sids[i];
+
+ bool belongs_in_base = is_base_sid(group_sid, sam->domain_sid);
+ if (!belongs_in_base) {
+ /* We handle this elsewhere */
+ continue;
+ }
+ sam->groups.rids[sam->groups.count].rid =
+ group_sid->sid.sub_auths[group_sid->sid.num_auths-1];
+
+ sam->groups.rids[sam->groups.count].attributes = group_sid->attrs;
+ sam->groups.count += 1;
+ }
+
+ if (sam->groups.count == 0) {
+ TALLOC_FREE(sam->groups.rids);
+ }
+ }
+
+ sam->user_flags = info->user_flags; /* w2k3 uses NETLOGON_EXTRA_SIDS | NETLOGON_NTLMV2_ENABLED */
+ sam->acct_flags = user_info_dc->info->acct_flags;
+ sam->sub_auth_status = 0;
+ sam->last_successful_logon = 0;
+ sam->last_failed_logon = 0;
+ sam->failed_logon_count = 0;
+ sam->reserved = 0;
+
+ ZERO_STRUCT(sam->key);
+ if (user_info_dc->user_session_key.length == sizeof(sam->key.key)) {
+ memcpy(sam->key.key, user_info_dc->user_session_key.data, sizeof(sam->key.key));
+ }
+
+ ZERO_STRUCT(sam->LMSessKey);
+ if (user_info_dc->lm_session_key.length == sizeof(sam->LMSessKey.key)) {
+ memcpy(sam->LMSessKey.key, user_info_dc->lm_session_key.data,
+ sizeof(sam->LMSessKey.key));
+ }
+
+ return NT_STATUS_OK;
+}
+
+/* Note that the validity of the _sam6 and resource_groups structures is only as
+ * long as the user_info_dc it was generated from */
+NTSTATUS auth_convert_user_info_dc_saminfo6(TALLOC_CTX *mem_ctx,
+ const struct auth_user_info_dc *user_info_dc,
+ enum auth_group_inclusion group_inclusion,
+ struct netr_SamInfo6 **_sam6,
+ struct PAC_DOMAIN_GROUP_MEMBERSHIP **_resource_groups)
+{
+ NTSTATUS status;
+ struct netr_SamInfo6 *sam6 = NULL;
+ struct PAC_DOMAIN_GROUP_MEMBERSHIP *resource_groups = NULL;
+ size_t i;
+
+ const uint32_t allocated_sids = user_info_dc->num_sids;
+ uint32_t allocated_resource_groups = 0;
+
+ sam6 = talloc_zero(mem_ctx, struct netr_SamInfo6);
+ if (sam6 == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ if (_resource_groups == NULL) {
+ if (group_inclusion == AUTH_INCLUDE_RESOURCE_GROUPS_COMPRESSED) {
+ DBG_ERR("_resource_groups parameter not provided to receive resource groups!\n");
+ TALLOC_FREE(sam6);
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+ } else if (group_inclusion == AUTH_INCLUDE_RESOURCE_GROUPS_COMPRESSED) {
+ *_resource_groups = NULL;
+
+ /* Allocate resource groups structure. */
+ resource_groups = talloc_zero(mem_ctx, struct PAC_DOMAIN_GROUP_MEMBERSHIP);
+ if (resource_groups == NULL) {
+ TALLOC_FREE(sam6);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ /*
+ * Allocate enough space to store user_info_dc->num_sids
+ * RIDs in the worst case.
+ */
+ allocated_resource_groups = user_info_dc->num_sids;
+ resource_groups->groups.rids = talloc_zero_array(resource_groups,
+ struct samr_RidWithAttribute,
+ allocated_resource_groups);
+ if (resource_groups->groups.rids == NULL) {
+ TALLOC_FREE(sam6);
+ TALLOC_FREE(resource_groups);
+ return NT_STATUS_NO_MEMORY;
+ }
+ } else {
+ /* No resource groups will be provided. */
+ *_resource_groups = NULL;
+ }
+
+ status = auth_convert_user_info_dc_sambaseinfo(sam6,
+ user_info_dc,
+ &sam6->base);
+ if (!NT_STATUS_IS_OK(status)) {
+ TALLOC_FREE(sam6);
+ TALLOC_FREE(resource_groups);
+ return status;
+ }
+
+ /*
+ * Allocate enough space to store user_info_dc->num_sids SIDs in the
+ * worst case.
+ */
+ sam6->sids = talloc_zero_array(sam6, struct netr_SidAttr,
+ allocated_sids);
+ if (sam6->sids == NULL) {
+ TALLOC_FREE(sam6);
+ TALLOC_FREE(resource_groups);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ /* We don't put the user and group SIDs in there */
+ for (i=REMAINING_SIDS_INDEX; i<user_info_dc->num_sids; i++) {
+ struct auth_SidAttr *group_sid = &user_info_dc->sids[i];
+ bool belongs_in_base = is_base_sid(group_sid, sam6->base.domain_sid);
+ if (belongs_in_base) {
+ /* We already handled this in the base. */
+ continue;
+ }
+
+ status = store_sid(sam6->sids,
+ &sam6->sidcount,
+ allocated_sids,
+ group_sid,
+ resource_groups,
+ allocated_resource_groups,
+ group_inclusion);
+ if (!NT_STATUS_IS_OK(status)) {
+ TALLOC_FREE(sam6);
+ TALLOC_FREE(resource_groups);
+ return status;
+ }
+ }
+ if (sam6->sidcount) {
+ sam6->base.user_flags |= NETLOGON_EXTRA_SIDS;
+ } else {
+ sam6->base.user_flags &= ~NETLOGON_EXTRA_SIDS;
+ TALLOC_FREE(sam6->sids);
+ }
+
+ if (user_info_dc->info->dns_domain_name != NULL) {
+ sam6->dns_domainname.string = talloc_strdup(sam6,
+ user_info_dc->info->dns_domain_name);
+ if (sam6->dns_domainname.string == NULL) {
+ TALLOC_FREE(sam6);
+ TALLOC_FREE(resource_groups);
+ return NT_STATUS_NO_MEMORY;
+ }
+ }
+
+ if (user_info_dc->info->user_principal_name != NULL) {
+ sam6->principal_name.string = talloc_strdup(sam6,
+ user_info_dc->info->user_principal_name);
+ if (sam6->principal_name.string == NULL) {
+ TALLOC_FREE(sam6);
+ TALLOC_FREE(resource_groups);
+ return NT_STATUS_NO_MEMORY;
+ }
+ }
+
+ *_sam6 = sam6;
+ if (resource_groups != NULL) {
+ if (resource_groups->groups.count > 0) {
+ *_resource_groups = resource_groups;
+ } else {
+ TALLOC_FREE(resource_groups);
+ }
+ }
+ return NT_STATUS_OK;
+}
+
+/* Note that the validity of the _sam2 structure is only as long as
+ * the user_info_dc it was generated from */
+NTSTATUS auth_convert_user_info_dc_saminfo2(TALLOC_CTX *mem_ctx,
+ const struct auth_user_info_dc *user_info_dc,
+ enum auth_group_inclusion group_inclusion,
+ struct netr_SamInfo2 **_sam2)
+{
+ NTSTATUS status;
+ struct netr_SamInfo6 *sam6 = NULL;
+ struct netr_SamInfo2 *sam2 = NULL;
+
+ sam2 = talloc_zero(mem_ctx, struct netr_SamInfo2);
+ if (sam2 == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ status = auth_convert_user_info_dc_saminfo6(sam2, user_info_dc,
+ group_inclusion, &sam6,
+ NULL);
+ if (!NT_STATUS_IS_OK(status)) {
+ TALLOC_FREE(sam2);
+ return status;
+ }
+ sam2->base = sam6->base;
+ /*
+ * We have nowhere to put sam6->sids, so we follow Windows here and drop
+ * it. Any resource groups it happened to contain are lost.
+ */
+ sam2->base.user_flags &= ~NETLOGON_EXTRA_SIDS;
+ TALLOC_FREE(sam6->sids);
+
+ *_sam2 = sam2;
+ return NT_STATUS_OK;
+}
+
+/* Note that the validity of the _sam3 structure is only as long as
+ * the user_info_dc it was generated from */
+NTSTATUS auth_convert_user_info_dc_saminfo3(TALLOC_CTX *mem_ctx,
+ const struct auth_user_info_dc *user_info_dc,
+ enum auth_group_inclusion group_inclusion,
+ struct netr_SamInfo3 **_sam3,
+ struct PAC_DOMAIN_GROUP_MEMBERSHIP **_resource_groups)
+{
+ NTSTATUS status;
+ struct netr_SamInfo6 *sam6 = NULL;
+ struct netr_SamInfo3 *sam3 = NULL;
+
+ sam3 = talloc_zero(mem_ctx, struct netr_SamInfo3);
+ if (sam3 == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ status = auth_convert_user_info_dc_saminfo6(sam3, user_info_dc,
+ group_inclusion, &sam6,
+ _resource_groups);
+ if (!NT_STATUS_IS_OK(status)) {
+ TALLOC_FREE(sam3);
+ return status;
+ }
+ sam3->base = sam6->base;
+ sam3->sidcount = sam6->sidcount;
+ sam3->sids = sam6->sids;
+
+ *_sam3 = sam3;
+ return NT_STATUS_OK;
+}
+
+/**
+ * Make a user_info struct from the info3 or similar returned by a domain logon.
+ *
+ * The netr_SamInfo3 is also a key structure in the source3 auth subsystem
+ */
+
+NTSTATUS make_user_info_SamBaseInfo(TALLOC_CTX *mem_ctx,
+ const char *account_name,
+ const struct netr_SamBaseInfo *base,
+ bool authenticated,
+ struct auth_user_info **_user_info)
+{
+ struct auth_user_info *info;
+
+ info = talloc_zero(mem_ctx, struct auth_user_info);
+ if (info == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ if (base->account_name.string) {
+ info->account_name = talloc_strdup(info, base->account_name.string);
+ } else {
+ info->account_name = talloc_strdup(info, account_name);
+ }
+ if (info->account_name == NULL) {
+ talloc_free(info);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ if (base->logon_domain.string) {
+ info->domain_name = talloc_strdup(info, base->logon_domain.string);
+ if (info->domain_name == NULL) {
+ talloc_free(info);
+ return NT_STATUS_NO_MEMORY;
+ }
+ }
+
+ if (base->full_name.string) {
+ info->full_name = talloc_strdup(info, base->full_name.string);
+ if (info->full_name == NULL) {
+ talloc_free(info);
+ return NT_STATUS_NO_MEMORY;
+ }
+ }
+ if (base->logon_script.string) {
+ info->logon_script = talloc_strdup(info, base->logon_script.string);
+ if (info->logon_script == NULL) {
+ talloc_free(info);
+ return NT_STATUS_NO_MEMORY;
+ }
+ }
+ if (base->profile_path.string) {
+ info->profile_path = talloc_strdup(info, base->profile_path.string);
+ if (info->profile_path == NULL) {
+ talloc_free(info);
+ return NT_STATUS_NO_MEMORY;
+ }
+ }
+ if (base->home_directory.string) {
+ info->home_directory = talloc_strdup(info, base->home_directory.string);
+ if (info->home_directory == NULL) {
+ talloc_free(info);
+ return NT_STATUS_NO_MEMORY;
+ }
+ }
+ if (base->home_drive.string) {
+ info->home_drive = talloc_strdup(info, base->home_drive.string);
+ if (info->home_drive == NULL) {
+ talloc_free(info);
+ return NT_STATUS_NO_MEMORY;
+ }
+ }
+ if (base->logon_server.string) {
+ info->logon_server = talloc_strdup(info, base->logon_server.string);
+ if (info->logon_server == NULL) {
+ talloc_free(info);
+ return NT_STATUS_NO_MEMORY;
+ }
+ }
+ info->last_logon = base->logon_time;
+ info->last_logoff = base->logoff_time;
+ info->acct_expiry = base->kickoff_time;
+ info->last_password_change = base->last_password_change;
+ info->allow_password_change = base->allow_password_change;
+ info->force_password_change = base->force_password_change;
+ info->logon_count = base->logon_count;
+ info->bad_password_count = base->bad_password_count;
+ info->acct_flags = base->acct_flags;
+
+ info->user_flags = base->user_flags;
+ if (!authenticated) {
+ /*
+ * We only consider the user authenticated if NETLOGON_GUEST is
+ * not set, and authenticated is set
+ */
+ info->user_flags |= NETLOGON_GUEST;
+ }
+
+ *_user_info = info;
+ return NT_STATUS_OK;
+}
+
+struct auth_user_info *auth_user_info_copy(TALLOC_CTX *mem_ctx,
+ const struct auth_user_info *src)
+{
+ struct auth_user_info *dst = NULL;
+
+ dst = talloc_zero(mem_ctx, struct auth_user_info);
+ if (dst == NULL) {
+ return NULL;
+ }
+
+ *dst = *src;
+#define _COPY_STRING(_mem, _str) do { \
+ if ((_str) != NULL) { \
+ (_str) = talloc_strdup((_mem), (_str)); \
+ if ((_str) == NULL) { \
+ TALLOC_FREE(dst); \
+ return NULL; \
+ } \
+ } \
+} while(0)
+ _COPY_STRING(dst, dst->account_name);
+ _COPY_STRING(dst, dst->user_principal_name);
+ _COPY_STRING(dst, dst->domain_name);
+ _COPY_STRING(dst, dst->dns_domain_name);
+ _COPY_STRING(dst, dst->full_name);
+ _COPY_STRING(dst, dst->logon_script);
+ _COPY_STRING(dst, dst->profile_path);
+ _COPY_STRING(dst, dst->home_directory);
+ _COPY_STRING(dst, dst->home_drive);
+ _COPY_STRING(dst, dst->logon_server);
+#undef _COPY_STRING
+
+ return dst;
+}
+
+/**
+ * Make a user_info_dc struct from the info3 returned by a domain logon
+ */
+NTSTATUS make_user_info_dc_netlogon_validation(TALLOC_CTX *mem_ctx,
+ const char *account_name,
+ uint16_t validation_level,
+ const union netr_Validation *validation,
+ bool authenticated,
+ struct auth_user_info_dc **_user_info_dc)
+{
+ NTSTATUS status;
+ struct auth_user_info_dc *user_info_dc = NULL;
+ const struct netr_SamBaseInfo *base = NULL;
+ uint32_t sidcount = 0;
+ const struct netr_SidAttr *sids = NULL;
+ const char *dns_domainname = NULL;
+ const char *principal = NULL;
+ uint32_t i;
+
+ switch (validation_level) {
+ case 2:
+ if (!validation || !validation->sam2) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+ base = &validation->sam2->base;
+ break;
+ case 3:
+ if (!validation || !validation->sam3) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+ base = &validation->sam3->base;
+ sidcount = validation->sam3->sidcount;
+ sids = validation->sam3->sids;
+ break;
+ case 6:
+ if (!validation || !validation->sam6) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+ base = &validation->sam6->base;
+ sidcount = validation->sam6->sidcount;
+ sids = validation->sam6->sids;
+ dns_domainname = validation->sam6->dns_domainname.string;
+ principal = validation->sam6->principal_name.string;
+ break;
+ default:
+ return NT_STATUS_INVALID_LEVEL;
+ }
+
+ user_info_dc = talloc_zero(mem_ctx, struct auth_user_info_dc);
+ if (user_info_dc == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ /*
+ Here is where we should check the list of
+ trusted domains, and verify that the SID
+ matches.
+ */
+ if (!base->domain_sid) {
+ DEBUG(0, ("Cannot operate on a Netlogon Validation without a domain SID\n"));
+ talloc_free(user_info_dc);
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ /* The IDL layer would be a better place to check this, but to
+ * guard the integer addition below, we double-check */
+ if (base->groups.count > 65535) {
+ talloc_free(user_info_dc);
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ user_info_dc->num_sids = PRIMARY_SIDS_COUNT;
+
+ user_info_dc->sids = talloc_array(user_info_dc, struct auth_SidAttr, user_info_dc->num_sids + base->groups.count);
+ if (user_info_dc->sids == NULL) {
+ talloc_free(user_info_dc);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ user_info_dc->sids[PRIMARY_USER_SID_INDEX].sid = *base->domain_sid;
+ if (!sid_append_rid(&user_info_dc->sids[PRIMARY_USER_SID_INDEX].sid, base->rid)) {
+ talloc_free(user_info_dc);
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+ user_info_dc->sids[PRIMARY_USER_SID_INDEX].attrs = SE_GROUP_DEFAULT_FLAGS;
+
+ user_info_dc->sids[PRIMARY_GROUP_SID_INDEX].sid = *base->domain_sid;
+ if (!sid_append_rid(&user_info_dc->sids[PRIMARY_GROUP_SID_INDEX].sid, base->primary_gid)) {
+ talloc_free(user_info_dc);
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+ /*
+ * This attribute value might be wrong if the primary group is a
+ * resource group. But a resource group is not meant to be in a primary
+ * group in the first place, and besides, these attributes will never
+ * make their way into a PAC.
+ */
+ user_info_dc->sids[PRIMARY_GROUP_SID_INDEX].attrs = SE_GROUP_DEFAULT_FLAGS;
+
+ for (i = 0; i < base->groups.count; i++) {
+ user_info_dc->sids[user_info_dc->num_sids].sid = *base->domain_sid;
+ if (!sid_append_rid(&user_info_dc->sids[user_info_dc->num_sids].sid, base->groups.rids[i].rid)) {
+ talloc_free(user_info_dc);
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+ user_info_dc->sids[user_info_dc->num_sids].attrs = base->groups.rids[i].attributes;
+ user_info_dc->num_sids++;
+ }
+
+ /* Copy 'other' sids. We need to do sid filtering here to
+ prevent possible elevation of privileges. See:
+
+ http://www.microsoft.com/windows2000/techinfo/administration/security/sidfilter.asp
+ */
+
+ /*
+ * The IDL layer would be a better place to check this, but to
+ * guard the integer addition below, we double-check
+ */
+ if (sidcount > UINT16_MAX) {
+ talloc_free(user_info_dc);
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ if (sidcount > 0) {
+ struct auth_SidAttr *dgrps = user_info_dc->sids;
+ size_t dgrps_count;
+
+ dgrps_count = user_info_dc->num_sids + sidcount;
+ dgrps = talloc_realloc(user_info_dc, dgrps, struct auth_SidAttr,
+ dgrps_count);
+ if (dgrps == NULL) {
+ talloc_free(user_info_dc);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ for (i = 0; i < sidcount; i++) {
+ if (sids[i].sid) {
+ dgrps[user_info_dc->num_sids].sid = *sids[i].sid;
+ dgrps[user_info_dc->num_sids].attrs = sids[i].attributes;
+ user_info_dc->num_sids++;
+ }
+ }
+
+ user_info_dc->sids = dgrps;
+
+ /* Where are the 'global' sids?... */
+ }
+
+ status = make_user_info_SamBaseInfo(user_info_dc, account_name, base, authenticated, &user_info_dc->info);
+ if (!NT_STATUS_IS_OK(status)) {
+ talloc_free(user_info_dc);
+ return status;
+ }
+
+ if (dns_domainname != NULL) {
+ user_info_dc->info->dns_domain_name = talloc_strdup(user_info_dc->info,
+ dns_domainname);
+ if (user_info_dc->info->dns_domain_name == NULL) {
+ talloc_free(user_info_dc);
+ return NT_STATUS_NO_MEMORY;
+ }
+ }
+
+ if (principal != NULL) {
+ user_info_dc->info->user_principal_name = talloc_strdup(user_info_dc->info,
+ principal);
+ if (user_info_dc->info->user_principal_name == NULL) {
+ talloc_free(user_info_dc);
+ return NT_STATUS_NO_MEMORY;
+ }
+ }
+
+ /* ensure we are never given NULL session keys */
+
+ if (all_zero(base->key.key, sizeof(base->key.key))) {
+ user_info_dc->user_session_key = data_blob(NULL, 0);
+ } else {
+ user_info_dc->user_session_key = data_blob_talloc(user_info_dc, base->key.key, sizeof(base->key.key));
+ if (user_info_dc->user_session_key.data == NULL) {
+ talloc_free(user_info_dc);
+ return NT_STATUS_NO_MEMORY;
+ }
+ }
+
+ if (all_zero(base->LMSessKey.key, sizeof(base->LMSessKey.key))) {
+ user_info_dc->lm_session_key = data_blob(NULL, 0);
+ } else {
+ user_info_dc->lm_session_key = data_blob_talloc(user_info_dc, base->LMSessKey.key, sizeof(base->LMSessKey.key));
+ if (user_info_dc->lm_session_key.data == NULL) {
+ talloc_free(user_info_dc);
+ return NT_STATUS_NO_MEMORY;
+ }
+ }
+
+ *_user_info_dc = user_info_dc;
+ return NT_STATUS_OK;
+}
+
+/**
+ * Make a user_info_dc struct from the PAC_LOGON_INFO supplied in the krb5
+ * logon. For group_inclusion, pass AUTH_INCLUDE_RESOURCE_GROUPS if SIDs from
+ * the resource groups are to be included in the resulting structure, and pass
+ * AUTH_EXCLUDE_RESOURCE_GROUPS otherwise.
+ */
+NTSTATUS make_user_info_dc_pac(TALLOC_CTX *mem_ctx,
+ const struct PAC_LOGON_INFO *pac_logon_info,
+ const struct PAC_UPN_DNS_INFO *pac_upn_dns_info,
+ const enum auth_group_inclusion group_inclusion,
+ struct auth_user_info_dc **_user_info_dc)
+{
+ uint32_t i;
+ NTSTATUS nt_status;
+ union netr_Validation validation;
+ struct auth_user_info_dc *user_info_dc;
+ const struct PAC_DOMAIN_GROUP_MEMBERSHIP *rg = NULL;
+ size_t sidcount;
+
+ validation.sam3 = discard_const_p(struct netr_SamInfo3, &pac_logon_info->info3);
+
+ nt_status = make_user_info_dc_netlogon_validation(mem_ctx, "", 3, &validation,
+ true, /* This user was authenticated */
+ &user_info_dc);
+ if (!NT_STATUS_IS_OK(nt_status)) {
+ return nt_status;
+ }
+
+ if (pac_logon_info->info3.base.user_flags & NETLOGON_RESOURCE_GROUPS) {
+ switch (group_inclusion) {
+ case AUTH_INCLUDE_RESOURCE_GROUPS:
+ /* Take resource groups from the PAC. */
+ rg = &pac_logon_info->resource_groups;
+ break;
+ case AUTH_EXCLUDE_RESOURCE_GROUPS:
+ /*
+ * The PAC is from a TGT, or we don't want to process
+ * its resource groups.
+ */
+ break;
+ default:
+ DBG_ERR("invalid group inclusion parameter: %u\n", group_inclusion);
+ talloc_free(user_info_dc);
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+ }
+
+ if (rg != NULL && rg->groups.count > 0) {
+ /* The IDL layer would be a better place to check this, but to
+ * guard the integer addition below, we double-check */
+ if (rg->groups.count > 65535) {
+ talloc_free(user_info_dc);
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ /*
+ Here is where we should check the list of
+ trusted domains, and verify that the SID
+ matches.
+ */
+ if (rg->domain_sid == NULL) {
+ talloc_free(user_info_dc);
+ DEBUG(0, ("Cannot operate on a PAC without a resource domain SID\n"));
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ sidcount = user_info_dc->num_sids + rg->groups.count;
+ user_info_dc->sids
+ = talloc_realloc(user_info_dc, user_info_dc->sids, struct auth_SidAttr, sidcount);
+ if (user_info_dc->sids == NULL) {
+ TALLOC_FREE(user_info_dc);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ for (i = 0; i < rg->groups.count; i++) {
+ bool ok;
+
+ user_info_dc->sids[user_info_dc->num_sids].sid = *rg->domain_sid;
+ ok = sid_append_rid(&user_info_dc->sids[user_info_dc->num_sids].sid,
+ rg->groups.rids[i].rid);
+ if (!ok) {
+ talloc_free(user_info_dc);
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+ user_info_dc->sids[user_info_dc->num_sids].attrs = rg->groups.rids[i].attributes;
+ user_info_dc->num_sids++;
+ }
+ }
+
+ if (pac_upn_dns_info != NULL) {
+ if (pac_upn_dns_info->upn_name != NULL) {
+ user_info_dc->info->user_principal_name =
+ talloc_strdup(user_info_dc->info,
+ pac_upn_dns_info->upn_name);
+ if (user_info_dc->info->user_principal_name == NULL) {
+ talloc_free(user_info_dc);
+ return NT_STATUS_NO_MEMORY;
+ }
+ }
+
+ user_info_dc->info->dns_domain_name =
+ talloc_strdup(user_info_dc->info,
+ pac_upn_dns_info->dns_domain_name);
+ if (user_info_dc->info->dns_domain_name == NULL) {
+ talloc_free(user_info_dc);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ if (pac_upn_dns_info->flags & PAC_UPN_DNS_FLAG_CONSTRUCTED) {
+ user_info_dc->info->user_principal_constructed = true;
+ }
+ }
+
+ *_user_info_dc = user_info_dc;
+ return NT_STATUS_OK;
+}