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authorKai Blin <kai@samba.org>2009-06-25 19:16:02 +0200
committerKai Blin <kai@samba.org>2009-06-25 19:18:40 +0200
commit946beae010145cc5066f81eb5e4b5e6392a37e2e (patch)
tree99aedb45e506f3dc812ee172eb61e2bd0f8b0e6f /source4
parent7450f3ad993ba5e9a1204225778222a358761e4a (diff)
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s4: Add libwbclient backend to auth_winbind
Diffstat (limited to 'source4')
-rw-r--r--source4/auth/ntlm/auth_winbind.c215
-rw-r--r--source4/auth/ntlm/config.mk2
2 files changed, 216 insertions, 1 deletions
diff --git a/source4/auth/ntlm/auth_winbind.c b/source4/auth/ntlm/auth_winbind.c
index bf75ad9eca..a41c37e27e 100644
--- a/source4/auth/ntlm/auth_winbind.c
+++ b/source4/auth/ntlm/auth_winbind.c
@@ -30,6 +30,8 @@
#include "librpc/gen_ndr/ndr_winbind.h"
#include "lib/messaging/irpc.h"
#include "param/param.h"
+#include "nsswitch/libwbclient/wbclient.h"
+#include "libcli/security/dom_sid.h"
static NTSTATUS get_info3_from_ndr(TALLOC_CTX *mem_ctx, struct smb_iconv_convenience *iconv_convenience, struct winbindd_response *response, struct netr_SamInfo3 *info3)
{
@@ -54,6 +56,124 @@ static NTSTATUS get_info3_from_ndr(TALLOC_CTX *mem_ctx, struct smb_iconv_conveni
}
}
+static NTSTATUS get_info3_from_wbcAuthUserInfo(TALLOC_CTX *mem_ctx,
+ struct smb_iconv_convenience *ic,
+ struct wbcAuthUserInfo *info,
+ struct netr_SamInfo3 *info3)
+{
+ int i, j;
+ struct samr_RidWithAttribute *rids = NULL;
+
+ info3->base.last_logon = info->logon_time;
+ info3->base.last_logoff = info->logoff_time;
+ info3->base.acct_expiry = info->kickoff_time;
+ info3->base.last_password_change = info->pass_last_set_time;
+ info3->base.allow_password_change = info->pass_can_change_time;
+ info3->base.force_password_change = info->pass_must_change_time;
+
+ if (info->account_name != NULL) {
+ convert_string_talloc_convenience(mem_ctx, ic,
+ CH_UNIX, CH_UTF16, info->account_name,
+ strlen(info->account_name),
+ discard_const(&info3->base.account_name.string),
+ NULL, false);
+ }
+
+ if (info->full_name != NULL) {
+ convert_string_talloc_convenience(mem_ctx, ic,
+ CH_UNIX, CH_UTF16, info->full_name,
+ strlen(info->full_name),
+ discard_const(&info3->base.full_name.string),
+ NULL, false);
+ }
+
+ if (info->logon_script != NULL) {
+ convert_string_talloc_convenience(mem_ctx, ic,
+ CH_UNIX, CH_UTF16, info->logon_script,
+ strlen(info->logon_script),
+ discard_const(&info3->base.logon_script.string),
+ NULL, false);
+ }
+
+ if (info->profile_path != NULL) {
+ convert_string_talloc_convenience(mem_ctx, ic,
+ CH_UNIX, CH_UTF16, info->profile_path,
+ strlen(info->profile_path),
+ discard_const(&info3->base.profile_path.string),
+ NULL, false);
+ }
+
+ if (info->home_directory != NULL) {
+ convert_string_talloc_convenience(mem_ctx, ic,
+ CH_UNIX, CH_UTF16, info->home_directory,
+ strlen(info->home_directory),
+ discard_const(&info3->base.home_directory.string),
+ NULL, false);
+ }
+
+ if (info->home_drive != NULL) {
+ convert_string_talloc_convenience(mem_ctx, ic,
+ CH_UNIX, CH_UTF16, info->home_drive,
+ strlen(info->home_drive),
+ discard_const(&info3->base.home_drive.string),
+ NULL, false);
+ }
+
+ if (info->logon_server != NULL) {
+ convert_string_talloc_convenience(mem_ctx, ic,
+ CH_UNIX, CH_UTF16, info->logon_server,
+ strlen(info->logon_server),
+ discard_const(&info3->base.logon_server.string),
+ NULL, false);
+ }
+
+ if (info->domain_name != NULL) {
+ convert_string_talloc_convenience(mem_ctx, ic,
+ CH_UNIX, CH_UTF16, info->domain_name,
+ strlen(info->domain_name),
+ discard_const(&info3->base.domain.string),
+ NULL, false);
+ }
+
+ info3->base.logon_count = info->logon_count;
+ info3->base.bad_password_count = info->bad_password_count;
+ info3->base.user_flags = info->user_flags;
+ memcpy(info3->base.key.key, info->user_session_key,
+ sizeof(info3->base.key.key));
+ memcpy(info3->base.LMSessKey.key, info->lm_session_key,
+ sizeof(info3->base.LMSessKey.key));
+ info3->base.acct_flags = info->acct_flags;
+ memset(info3->base.unknown, 0, sizeof(info3->base.unknown));
+
+ if (info->num_sids < 2) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ dom_sid_split_rid(mem_ctx, (struct dom_sid2 *) &info->sids[0].sid,
+ &info3->base.domain_sid,
+ &info3->base.rid);
+ dom_sid_split_rid(mem_ctx, (struct dom_sid2 *) &info->sids[1].sid, NULL,
+ &info3->base.primary_gid);
+
+ /* We already handled the first two, now take care of the rest */
+ info3->base.groups.count = info->num_sids - 2;
+ for (i = 2, j = 0; i < info->num_sids; ++i, ++j) {
+
+ rids = talloc_array(mem_ctx, struct samr_RidWithAttribute,
+ info3->base.groups.count);
+ NT_STATUS_HAVE_NO_MEMORY(rids);
+
+ rids[j].attributes = info->sids[i].attributes;
+ dom_sid_split_rid(mem_ctx,
+ (struct dom_sid2 *) &info->sids[i].sid,
+ NULL, &rids[j].rid);
+ }
+ info3->base.groups.rids = rids;
+
+ return NT_STATUS_OK;
+}
+
+
static NTSTATUS winbind_want_check(struct auth_method_context *ctx,
TALLOC_CTX *mem_ctx,
const struct auth_usersupplied_info *user_info)
@@ -248,6 +368,88 @@ static NTSTATUS winbind_check_password(struct auth_method_context *ctx,
return NT_STATUS_OK;
}
+/*
+ Authenticate a user with a challenge/response
+ using the samba3 winbind protocol via libwbclient
+*/
+static NTSTATUS winbind_check_password_wbclient(struct auth_method_context *ctx,
+ TALLOC_CTX *mem_ctx,
+ const struct auth_usersupplied_info *user_info,
+ struct auth_serversupplied_info **server_info)
+{
+ struct wbcAuthUserParams params;
+ struct wbcAuthUserInfo *info = NULL;
+ struct wbcAuthErrorInfo *err = NULL;
+ wbcErr wbc_status;
+ NTSTATUS nt_status;
+ struct netr_SamInfo3 info3;
+ union netr_Validation validation;
+
+
+ /* Send off request */
+ const struct auth_usersupplied_info *user_info_temp;
+ nt_status = encrypt_user_info(mem_ctx, ctx->auth_ctx,
+ AUTH_PASSWORD_RESPONSE,
+ user_info, &user_info_temp);
+ if (!NT_STATUS_IS_OK(nt_status)) {
+ return nt_status;
+ }
+ user_info = user_info_temp;
+
+ ZERO_STRUCT(params);
+ ZERO_STRUCT(info3);
+ /*params.flags = WBFLAG_PAM_INFO3_NDR;*/
+
+ params.parameter_control = user_info->logon_parameters;
+ params.parameter_control |= WBC_MSV1_0_ALLOW_WORKSTATION_TRUST_ACCOUNT |
+ WBC_MSV1_0_ALLOW_SERVER_TRUST_ACCOUNT;
+ params.level = WBC_AUTH_USER_LEVEL_RESPONSE;
+
+ params.account_name = user_info->client.account_name;
+ params.domain_name = user_info->client.domain_name;
+ params.workstation_name = user_info->workstation_name;
+
+ d_fprintf(stderr, "looking up %s@%s logging in from %s\n",
+ params.account_name, params.domain_name,
+ params.workstation_name);
+
+ memcpy(params.password.response.challenge,
+ ctx->auth_ctx->challenge.data.data,
+ sizeof(params.password.response.challenge));
+
+ params.password.response.lm_length =
+ user_info->password.response.lanman.length;
+ params.password.response.nt_length =
+ user_info->password.response.nt.length;
+
+ params.password.response.lm_data =
+ user_info->password.response.lanman.data;
+ params.password.response.nt_data =
+ user_info->password.response.nt.data;
+
+ wbc_status = wbcAuthenticateUserEx(&params, &info, &err);
+ if (!WBC_ERROR_IS_OK(wbc_status)) {
+ DEBUG(1, ("error was %s (0x%08x)\nerror message was '%s'\n",
+ err->nt_string, err->nt_status, err->display_string));
+
+ nt_status = NT_STATUS(err->nt_status);
+ wbcFreeMemory(err);
+ NT_STATUS_NOT_OK_RETURN(nt_status);
+ }
+ nt_status = get_info3_from_wbcAuthUserInfo(mem_ctx,
+ lp_iconv_convenience(ctx->auth_ctx->lp_ctx),
+ info, &info3);
+ wbcFreeMemory(info);
+ NT_STATUS_NOT_OK_RETURN(nt_status);
+
+ validation.sam3 = &info3;
+ nt_status = make_server_info_netlogon_validation(mem_ctx,
+ user_info->client.account_name,
+ 3, &validation, server_info);
+ return nt_status;
+
+}
+
static const struct auth_operations winbind_samba3_ops = {
.name = "winbind_samba3",
.get_challenge = auth_get_challenge_not_implemented,
@@ -262,6 +464,13 @@ static const struct auth_operations winbind_ops = {
.check_password = winbind_check_password
};
+static const struct auth_operations winbind_wbclient_ops = {
+ .name = "winbind_wbclient",
+ .get_challenge = auth_get_challenge_not_implemented,
+ .want_check = winbind_want_check,
+ .check_password = winbind_check_password_wbclient
+};
+
_PUBLIC_ NTSTATUS auth_winbind_init(void)
{
NTSTATUS ret;
@@ -278,5 +487,11 @@ _PUBLIC_ NTSTATUS auth_winbind_init(void)
return ret;
}
+ ret = auth_register(&winbind_wbclient_ops);
+ if (!NT_STATUS_IS_OK(ret)) {
+ DEBUG(0,("Failed to register 'winbind_wbclient' auth backend!\n"));
+ return ret;
+ }
+
return NT_STATUS_OK;
}
diff --git a/source4/auth/ntlm/config.mk b/source4/auth/ntlm/config.mk
index a9ae18e7c2..561d14ad10 100644
--- a/source4/auth/ntlm/config.mk
+++ b/source4/auth/ntlm/config.mk
@@ -38,7 +38,7 @@ auth_server_OBJ_FILES = $(addprefix $(authsrcdir)/ntlm/, auth_server.o)
[MODULE::auth_winbind]
INIT_FUNCTION = auth_winbind_init
SUBSYSTEM = auth
-PRIVATE_DEPENDENCIES = NDR_WINBIND MESSAGING LIBWINBIND-CLIENT
+PRIVATE_DEPENDENCIES = NDR_WINBIND MESSAGING LIBWINBIND-CLIENT LIBWBCLIENT
# End MODULE auth_winbind
#######################