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authorcvs2svn Import User <samba-bugs@samba.org>2003-01-28 03:37:15 +0000
committercvs2svn Import User <samba-bugs@samba.org>2003-01-28 03:37:15 +0000
commit23265259508e2a89c0386608c5f034fac635ca62 (patch)
treea41687ecb173c5a8ea1fd8589db4ac00f03407fb /source3
parentb1bce451411486525e72ec71c5fd37fc0b463add (diff)
parentdc4bb3bed82773ab0a07eb72b3d21305cccb6ecf (diff)
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This commit was manufactured by cvs2svn to create branch 'SAMBA_3_0'.(This used to be commit b741abd496621586040081c04674ae53cb5db47c)
Diffstat (limited to 'source3')
-rw-r--r--source3/auth/auth_ntlmssp.c139
-rw-r--r--source3/lib/module.c92
-rw-r--r--source3/libsmb/ntlmssp.c281
-rw-r--r--source3/utils/ntlm_auth.c550
4 files changed, 1062 insertions, 0 deletions
diff --git a/source3/auth/auth_ntlmssp.c b/source3/auth/auth_ntlmssp.c
new file mode 100644
index 0000000000..3e650a7a2a
--- /dev/null
+++ b/source3/auth/auth_ntlmssp.c
@@ -0,0 +1,139 @@
+/*
+ Unix SMB/Netbios implementation.
+ Version 3.0
+ handle NLTMSSP, server side
+
+ Copyright (C) Andrew Tridgell 2001
+ Copyright (C) Andrew Bartlett 2001-2003
+
+ 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
+ (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, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include "includes.h"
+
+static const uint8 *auth_ntlmssp_get_challenge(struct ntlmssp_state *ntlmssp_state)
+{
+ AUTH_NTLMSSP_STATE *auth_ntlmssp_state = ntlmssp_state->auth_context;
+ return auth_ntlmssp_state->auth_context->get_ntlm_challenge(auth_ntlmssp_state->auth_context);
+}
+
+static NTSTATUS auth_ntlmssp_check_password(struct ntlmssp_state *ntlmssp_state)
+{
+ AUTH_NTLMSSP_STATE *auth_ntlmssp_state = ntlmssp_state->auth_context;
+ uint32 auth_flags = AUTH_FLAG_NONE;
+ auth_usersupplied_info *user_info = NULL;
+ DATA_BLOB plaintext_password = data_blob(NULL, 0);
+ NTSTATUS nt_status;
+
+ if (auth_ntlmssp_state->ntlmssp_state->lm_resp.length) {
+ auth_flags |= AUTH_FLAG_LM_RESP;
+ }
+
+ if (auth_ntlmssp_state->ntlmssp_state->nt_resp.length == 24) {
+ auth_flags |= AUTH_FLAG_NTLM_RESP;
+ } else if (auth_ntlmssp_state->ntlmssp_state->nt_resp.length > 24) {
+ auth_flags |= AUTH_FLAG_NTLMv2_RESP;
+ };
+
+ /* the client has given us its machine name (which we otherwise would not get on port 445).
+ we need to possibly reload smb.conf if smb.conf includes depend on the machine name */
+
+ set_remote_machine_name(auth_ntlmssp_state->ntlmssp_state->workstation);
+
+ /* setup the string used by %U */
+ /* sub_set_smb_name checks for weird internally */
+ sub_set_smb_name(auth_ntlmssp_state->ntlmssp_state->user);
+
+ reload_services(True);
+
+ nt_status = make_user_info_map(&user_info,
+ auth_ntlmssp_state->ntlmssp_state->user,
+ auth_ntlmssp_state->ntlmssp_state->domain,
+ auth_ntlmssp_state->ntlmssp_state->workstation,
+ auth_ntlmssp_state->ntlmssp_state->lm_resp,
+ auth_ntlmssp_state->ntlmssp_state->nt_resp,
+ plaintext_password,
+ auth_flags, True);
+
+ if (!NT_STATUS_IS_OK(nt_status)) {
+ return nt_status;
+ }
+
+ nt_status = auth_ntlmssp_state->auth_context->check_ntlm_password(auth_ntlmssp_state->auth_context, user_info, &auth_ntlmssp_state->server_info);
+
+ free_user_info(&user_info);
+
+ return nt_status;
+}
+
+NTSTATUS auth_ntlmssp_start(AUTH_NTLMSSP_STATE **auth_ntlmssp_state)
+{
+ NTSTATUS nt_status;
+ TALLOC_CTX *mem_ctx;
+
+ mem_ctx = talloc_init("AUTH NTLMSSP context");
+
+ *auth_ntlmssp_state = talloc_zero(mem_ctx, sizeof(**auth_ntlmssp_state));
+ if (!*auth_ntlmssp_state) {
+ DEBUG(0,("auth_ntlmssp_start: talloc failed!\n"));
+ talloc_destroy(mem_ctx);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ ZERO_STRUCTP(*auth_ntlmssp_state);
+
+ (*auth_ntlmssp_state)->mem_ctx = mem_ctx;
+
+ if (!NT_STATUS_IS_OK(nt_status = ntlmssp_server_start(&(*auth_ntlmssp_state)->ntlmssp_state))) {
+ return nt_status;
+ }
+
+ if (!NT_STATUS_IS_OK(nt_status = make_auth_context_subsystem(&(*auth_ntlmssp_state)->auth_context))) {
+ return nt_status;
+ }
+
+ (*auth_ntlmssp_state)->ntlmssp_state->auth_context = (*auth_ntlmssp_state);
+ (*auth_ntlmssp_state)->ntlmssp_state->get_challenge = auth_ntlmssp_get_challenge;
+ (*auth_ntlmssp_state)->ntlmssp_state->check_password = auth_ntlmssp_check_password;
+ (*auth_ntlmssp_state)->ntlmssp_state->server_role = lp_server_role();
+
+ return NT_STATUS_OK;
+}
+
+NTSTATUS auth_ntlmssp_end(AUTH_NTLMSSP_STATE **auth_ntlmssp_state)
+{
+ TALLOC_CTX *mem_ctx = (*auth_ntlmssp_state)->mem_ctx;
+
+ if ((*auth_ntlmssp_state)->ntlmssp_state) {
+ ntlmssp_server_end(&(*auth_ntlmssp_state)->ntlmssp_state);
+ }
+ if ((*auth_ntlmssp_state)->auth_context) {
+ ((*auth_ntlmssp_state)->auth_context->free)(&(*auth_ntlmssp_state)->auth_context);
+ }
+ if ((*auth_ntlmssp_state)->server_info) {
+ free_server_info(&(*auth_ntlmssp_state)->server_info);
+ }
+
+ talloc_destroy(mem_ctx);
+ *auth_ntlmssp_state = NULL;
+ return NT_STATUS_OK;
+}
+
+NTSTATUS auth_ntlmssp_update(AUTH_NTLMSSP_STATE *auth_ntlmssp_state,
+ DATA_BLOB request, DATA_BLOB *reply)
+{
+ return ntlmssp_server_update(auth_ntlmssp_state->ntlmssp_state, request, reply);
+}
+
diff --git a/source3/lib/module.c b/source3/lib/module.c
new file mode 100644
index 0000000000..6febe8a9f1
--- /dev/null
+++ b/source3/lib/module.c
@@ -0,0 +1,92 @@
+/*
+ Unix SMB/CIFS implementation.
+ module loading system
+
+ Copyright (C) Jelmer Vernooij 2002
+
+ 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
+ (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, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include "includes.h"
+
+#ifdef HAVE_DLOPEN
+NTSTATUS smb_load_module(const char *module_name)
+{
+ void *handle;
+ init_module_function *init;
+ NTSTATUS nt_status;
+ const char *error;
+
+ /* Always try to use LAZY symbol resolving; if the plugin has
+ * backwards compatibility, there might be symbols in the
+ * plugin referencing to old (removed) functions
+ */
+ handle = sys_dlopen(module_name, RTLD_LAZY);
+
+ if(!handle) {
+ DEBUG(0, ("Error loading module '%s': %s\n", module_name, sys_dlerror()));
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+
+ init = sys_dlsym(handle, "init_module");
+
+ /* we must check sys_dlerror() to determine if it worked, because
+ sys_dlsym() can validly return NULL */
+ error = sys_dlerror();
+ if (error) {
+ DEBUG(0, ("Error trying to resolve symbol 'init_module' in %s: %s\n", module_name, error));
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+
+ nt_status = init();
+
+ DEBUG(2, ("Module '%s' loaded\n", module_name));
+
+ return nt_status;
+}
+
+/* Load all modules in list and return number of
+ * modules that has been successfully loaded */
+int smb_load_modules(const char **modules)
+{
+ int i;
+ int success = 0;
+
+ for(i = 0; modules[i]; i++){
+ if(NT_STATUS_IS_OK(smb_load_module(modules[i]))) {
+ success++;
+ }
+ }
+
+ DEBUG(2, ("%d modules successfully loaded\n", success));
+
+ return success;
+}
+
+#else /* HAVE_DLOPEN */
+
+NTSTATUS smb_load_module(const char *module_name)
+{
+ DEBUG(0,("This samba executable has not been build with plugin support"));
+ return NT_STATUS_NOT_SUPPORTED;
+}
+
+int smb_load_modules(const char **modules)
+{
+ DEBUG(0,("This samba executable has not been build with plugin support"));
+ return -1;
+}
+
+#endif /* HAVE_DLOPEN */
diff --git a/source3/libsmb/ntlmssp.c b/source3/libsmb/ntlmssp.c
new file mode 100644
index 0000000000..5b608e0a7a
--- /dev/null
+++ b/source3/libsmb/ntlmssp.c
@@ -0,0 +1,281 @@
+/*
+ Unix SMB/Netbios implementation.
+ Version 3.0
+ handle NLTMSSP, server side
+
+ Copyright (C) Andrew Tridgell 2001
+ Copyright (C) Andrew Bartlett 2001-2003
+
+ 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
+ (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, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include "includes.h"
+
+/**
+ * Default challange generation code.
+ *
+ */
+
+
+static const uint8 *get_challenge(struct ntlmssp_state *ntlmssp_state)
+{
+ static uchar chal[8];
+ generate_random_buffer(chal, sizeof(chal), False);
+
+ return chal;
+}
+
+NTSTATUS ntlmssp_server_start(NTLMSSP_STATE **ntlmssp_state)
+{
+ TALLOC_CTX *mem_ctx;
+
+ mem_ctx = talloc_init("NTLMSSP context");
+
+ *ntlmssp_state = talloc_zero(mem_ctx, sizeof(**ntlmssp_state));
+ if (!*ntlmssp_state) {
+ DEBUG(0,("ntlmssp_start: talloc failed!\n"));
+ talloc_destroy(mem_ctx);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ ZERO_STRUCTP(*ntlmssp_state);
+
+ (*ntlmssp_state)->mem_ctx = mem_ctx;
+ (*ntlmssp_state)->get_challenge = get_challenge;
+
+ (*ntlmssp_state)->get_global_myname = global_myname;
+ (*ntlmssp_state)->get_domain = lp_workgroup;
+ (*ntlmssp_state)->server_role = ROLE_DOMAIN_MEMBER; /* a good default */
+
+ return NT_STATUS_OK;
+}
+
+NTSTATUS ntlmssp_server_end(NTLMSSP_STATE **ntlmssp_state)
+{
+ TALLOC_CTX *mem_ctx = (*ntlmssp_state)->mem_ctx;
+
+ data_blob_free(&(*ntlmssp_state)->chal);
+ data_blob_free(&(*ntlmssp_state)->lm_resp);
+ data_blob_free(&(*ntlmssp_state)->nt_resp);
+
+ SAFE_FREE((*ntlmssp_state)->user);
+ SAFE_FREE((*ntlmssp_state)->domain);
+ SAFE_FREE((*ntlmssp_state)->workstation);
+
+ talloc_destroy(mem_ctx);
+ *ntlmssp_state = NULL;
+ return NT_STATUS_OK;
+}
+
+NTSTATUS ntlmssp_server_update(NTLMSSP_STATE *ntlmssp_state,
+ DATA_BLOB request, DATA_BLOB *reply)
+{
+ uint32 ntlmssp_command;
+ *reply = data_blob(NULL, 0);
+
+ if (!msrpc_parse(&request, "Cd",
+ "NTLMSSP",
+ &ntlmssp_command)) {
+
+ return NT_STATUS_LOGON_FAILURE;
+ }
+
+ if (ntlmssp_command == NTLMSSP_NEGOTIATE) {
+ return ntlmssp_negotiate(ntlmssp_state, request, reply);
+ } else if (ntlmssp_command == NTLMSSP_AUTH) {
+ return ntlmssp_auth(ntlmssp_state, request, reply);
+ } else {
+ return NT_STATUS_LOGON_FAILURE;
+ }
+}
+
+static const char *ntlmssp_target_name(NTLMSSP_STATE *ntlmssp_state,
+ uint32 neg_flags, uint32 *chal_flags)
+{
+ if (neg_flags & NTLMSSP_REQUEST_TARGET) {
+ *chal_flags |= NTLMSSP_CHAL_TARGET_INFO;
+ *chal_flags |= NTLMSSP_REQUEST_TARGET;
+ if (ntlmssp_state->server_role == ROLE_STANDALONE) {
+ *chal_flags |= NTLMSSP_TARGET_TYPE_SERVER;
+ return ntlmssp_state->get_global_myname();
+ } else {
+ *chal_flags |= NTLMSSP_TARGET_TYPE_DOMAIN;
+ return ntlmssp_state->get_domain();
+ };
+ } else {
+ return "";
+ }
+}
+
+NTSTATUS ntlmssp_negotiate(NTLMSSP_STATE *ntlmssp_state,
+ DATA_BLOB request, DATA_BLOB *reply)
+{
+ DATA_BLOB struct_blob;
+ fstring dnsname, dnsdomname;
+ uint32 ntlmssp_command, neg_flags, chal_flags;
+ char *cliname=NULL, *domname=NULL;
+ const uint8 *cryptkey;
+ const char *target_name;
+
+ /* parse the NTLMSSP packet */
+#if 0
+ file_save("ntlmssp_negotiate.dat", request.data, request.length);
+#endif
+
+ if (!msrpc_parse(&request, "CddAA",
+ "NTLMSSP",
+ &ntlmssp_command,
+ &neg_flags,
+ &cliname,
+ &domname)) {
+ return NT_STATUS_LOGON_FAILURE;
+ }
+
+ SAFE_FREE(cliname);
+ SAFE_FREE(domname);
+
+ debug_ntlmssp_flags(neg_flags);
+
+ cryptkey = ntlmssp_state->get_challenge(ntlmssp_state);
+
+ data_blob_free(&ntlmssp_state->chal);
+ ntlmssp_state->chal = data_blob(cryptkey, 8);
+
+ /* Give them the challenge. For now, ignore neg_flags and just
+ return the flags we want. Obviously this is not correct */
+
+ chal_flags =
+ NTLMSSP_NEGOTIATE_128 |
+ NTLMSSP_NEGOTIATE_NTLM;
+
+ if (neg_flags & NTLMSSP_NEGOTIATE_UNICODE) {
+ chal_flags |= NTLMSSP_NEGOTIATE_UNICODE;
+ ntlmssp_state->unicode = True;
+ } else {
+ chal_flags |= NTLMSSP_NEGOTIATE_OEM;
+ }
+
+ target_name = ntlmssp_target_name(ntlmssp_state,
+ neg_flags, &chal_flags);
+
+ /* This should be a 'netbios domain -> DNS domain' mapping */
+ dnsdomname[0] = '\0';
+ get_mydomname(dnsdomname);
+ strlower(dnsdomname);
+
+ dnsname[0] = '\0';
+ get_myfullname(dnsname);
+ strlower(dnsname);
+
+ if (chal_flags & NTLMSSP_CHAL_TARGET_INFO)
+ {
+ const char *target_name_dns = "";
+ if (chal_flags |= NTLMSSP_TARGET_TYPE_DOMAIN) {
+ target_name_dns = dnsdomname;
+ } else if (chal_flags |= NTLMSSP_TARGET_TYPE_SERVER) {
+ target_name_dns = dnsname;
+ }
+
+ /* the numbers here are the string type flags */
+ msrpc_gen(&struct_blob, "aaaaa",
+ ntlmssp_state->unicode, NTLMSSP_NAME_TYPE_DOMAIN, target_name,
+ ntlmssp_state->unicode, NTLMSSP_NAME_TYPE_SERVER, ntlmssp_state->get_global_myname(),
+ ntlmssp_state->unicode, NTLMSSP_NAME_TYPE_DOMAIN_DNS, target_name_dns,
+ ntlmssp_state->unicode, NTLMSSP_NAME_TYPE_SERVER_DNS, dnsdomname,
+ ntlmssp_state->unicode, 0, "");
+ } else {
+ struct_blob = data_blob(NULL, 0);
+ }
+
+ {
+ const char *gen_string;
+ if (ntlmssp_state->unicode) {
+ gen_string = "CdUdbddB";
+ } else {
+ gen_string = "CdAdbddB";
+ }
+
+ msrpc_gen(reply, gen_string,
+ "NTLMSSP",
+ NTLMSSP_CHALLENGE,
+ target_name,
+ chal_flags,
+ cryptkey, 8,
+ 0, 0,
+ struct_blob.data, struct_blob.length);
+ }
+
+ data_blob_free(&struct_blob);
+
+ return NT_STATUS_MORE_PROCESSING_REQUIRED;
+}
+
+NTSTATUS ntlmssp_auth(NTLMSSP_STATE *ntlmssp_state,
+ DATA_BLOB request, DATA_BLOB *reply)
+{
+ DATA_BLOB sess_key;
+ uint32 ntlmssp_command, neg_flags;
+ NTSTATUS nt_status;
+
+ const char *parse_string;
+
+ /* parse the NTLMSSP packet */
+#if 0
+ file_save("ntlmssp_auth.dat", request.data, request.length);
+#endif
+
+ if (ntlmssp_state->unicode) {
+ parse_string = "CdBBUUUBd";
+ } else {
+ parse_string = "CdBBAAABd";
+ }
+
+ data_blob_free(&ntlmssp_state->lm_resp);
+ data_blob_free(&ntlmssp_state->nt_resp);
+
+ SAFE_FREE(ntlmssp_state->user);
+ SAFE_FREE(ntlmssp_state->domain);
+ SAFE_FREE(ntlmssp_state->workstation);
+
+ /* now the NTLMSSP encoded auth hashes */
+ if (!msrpc_parse(&request, parse_string,
+ "NTLMSSP",
+ &ntlmssp_command,
+ &ntlmssp_state->lm_resp,
+ &ntlmssp_state->nt_resp,
+ &ntlmssp_state->domain,
+ &ntlmssp_state->user,
+ &ntlmssp_state->workstation,
+ &sess_key,
+ &neg_flags)) {
+ return NT_STATUS_LOGON_FAILURE;
+ }
+
+ data_blob_free(&sess_key);
+
+ DEBUG(3,("Got user=[%s] domain=[%s] workstation=[%s] len1=%d len2=%d\n",
+ ntlmssp_state->user, ntlmssp_state->domain, ntlmssp_state->workstation, ntlmssp_state->lm_resp.length, ntlmssp_state->nt_resp.length));
+
+#if 0
+ file_save("nthash1.dat", &ntlmssp_state->nt_resp.data, &ntlmssp_state->nt_resp.length);
+ file_save("lmhash1.dat", &ntlmssp_state->lm_resp.data, &ntlmssp_state->lm_resp.length);
+#endif
+
+ nt_status = ntlmssp_state->check_password(ntlmssp_state);
+
+ *reply = data_blob(NULL, 0);
+
+ return nt_status;
+}
diff --git a/source3/utils/ntlm_auth.c b/source3/utils/ntlm_auth.c
new file mode 100644
index 0000000000..9e4318def3
--- /dev/null
+++ b/source3/utils/ntlm_auth.c
@@ -0,0 +1,550 @@
+/*
+ Unix SMB/CIFS implementation.
+
+ Winbind status program.
+
+ Copyright (C) Tim Potter 2000-2002
+ Copyright (C) Andrew Bartlett 2003
+ Copyright (C) Francesco Chemolli <kinkie@kame.usr.dsi.unimi.it> 2000
+
+ 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
+ (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, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include "includes.h"
+
+#undef DBGC_CLASS
+#define DBGC_CLASS DBGC_WINBIND
+
+#define SQUID_BUFFER_SIZE 2010
+
+enum squid_mode {
+ SQUID_2_4_BASIC,
+ SQUID_2_5_BASIC,
+ SQUID_2_5_NTLMSSP
+};
+
+
+extern int winbindd_fd;
+
+static const char *helper_protocol;
+static const char *username;
+static const char *domain;
+static const char *workstation;
+static const char *hex_challenge;
+static const char *hex_lm_response;
+static const char *hex_nt_response;
+static unsigned char *challenge;
+static size_t challenge_len;
+static unsigned char *lm_response;
+static size_t lm_response_len;
+static unsigned char *nt_response;
+static size_t nt_response_len;
+
+static char *password;
+
+static char winbind_separator(void)
+{
+ struct winbindd_response response;
+ static BOOL got_sep;
+ static char sep;
+
+ if (got_sep)
+ return sep;
+
+ ZERO_STRUCT(response);
+
+ /* Send off request */
+
+ if (winbindd_request(WINBINDD_INFO, NULL, &response) !=
+ NSS_STATUS_SUCCESS) {
+ d_printf("could not obtain winbind separator!\n");
+ return '\\';
+ }
+
+ sep = response.data.info.winbind_separator;
+ got_sep = True;
+
+ if (!sep) {
+ d_printf("winbind separator was NULL!\n");
+ return '\\';
+ }
+
+ return sep;
+}
+
+static const char *get_winbind_domain(void)
+{
+ struct winbindd_response response;
+
+ static fstring winbind_domain;
+ if (*winbind_domain) {
+ return winbind_domain;
+ }
+
+ ZERO_STRUCT(response);
+
+ /* Send off request */
+
+ if (winbindd_request(WINBINDD_DOMAIN_NAME, NULL, &response) !=
+ NSS_STATUS_SUCCESS) {
+ d_printf("could not obtain winbind domain name!\n");
+ return NULL;
+ }
+
+ fstrcpy(winbind_domain, response.data.domain_name);
+
+ return winbind_domain;
+
+}
+
+static const char *get_winbind_netbios_name(void)
+{
+ struct winbindd_response response;
+
+ static fstring winbind_netbios_name;
+
+ if (*winbind_netbios_name) {
+ return winbind_netbios_name;
+ }
+
+ ZERO_STRUCT(response);
+
+ /* Send off request */
+
+ if (winbindd_request(WINBINDD_NETBIOS_NAME, NULL, &response) !=
+ NSS_STATUS_SUCCESS) {
+ d_printf("could not obtain winbind netbios name!\n");
+ return NULL;
+ }
+
+ fstrcpy(winbind_netbios_name, response.data.netbios_name);
+
+ return winbind_netbios_name;
+
+}
+
+/* Authenticate a user with a plaintext password */
+
+static BOOL check_plaintext_auth(const char *user, const char *pass, BOOL stdout_diagnostics)
+{
+ struct winbindd_request request;
+ struct winbindd_response response;
+ NSS_STATUS result;
+
+ /* Send off request */
+
+ ZERO_STRUCT(request);
+ ZERO_STRUCT(response);
+
+ fstrcpy(request.data.auth.user, user);
+ fstrcpy(request.data.auth.pass, pass);
+
+ result = winbindd_request(WINBINDD_PAM_AUTH, &request, &response);
+
+ /* Display response */
+
+ if (stdout_diagnostics) {
+ if ((result != NSS_STATUS_SUCCESS) && (response.data.auth.nt_status == 0)) {
+ d_printf("Reading winbind reply failed! (0x01)\n");
+ }
+
+ d_printf("%s (0x%x)\n",
+ response.data.auth.nt_status_string,
+ response.data.auth.nt_status);
+ } else {
+ if ((result != NSS_STATUS_SUCCESS) && (response.data.auth.nt_status == 0)) {
+ DEBUG(1, ("Reading winbind reply failed! (0x01)\n"));
+ }
+
+ DEBUG(3, ("%s (0x%x)\n",
+ response.data.auth.nt_status_string,
+ response.data.auth.nt_status));
+ }
+
+ return (result == NSS_STATUS_SUCCESS);
+}
+
+static NTSTATUS winbind_pw_check(struct ntlmssp_state *ntlmssp_state)
+{
+ struct winbindd_request request;
+ struct winbindd_response response;
+ NSS_STATUS result;
+ /* Send off request */
+
+ ZERO_STRUCT(request);
+ ZERO_STRUCT(response);
+
+ fstrcpy(request.data.auth_crap.user, ntlmssp_state->user);
+
+ fstrcpy(request.data.auth_crap.domain, ntlmssp_state->domain);
+ fstrcpy(request.data.auth_crap.workstation, ntlmssp_state->workstation);
+
+ memcpy(request.data.auth_crap.chal, ntlmssp_state->chal.data,
+ MIN(ntlmssp_state->chal.length, 8));
+
+ memcpy(request.data.auth_crap.lm_resp, ntlmssp_state->lm_resp.data,
+ MIN(ntlmssp_state->lm_resp.length, sizeof(request.data.auth_crap.lm_resp)));
+
+ memcpy(request.data.auth_crap.nt_resp, ntlmssp_state->lm_resp.data,
+ MIN(ntlmssp_state->nt_resp.length, sizeof(request.data.auth_crap.nt_resp)));
+
+ request.data.auth_crap.lm_resp_len = ntlmssp_state->lm_resp.length;
+ request.data.auth_crap.nt_resp_len = ntlmssp_state->nt_resp.length;
+
+ result = winbindd_request(WINBINDD_PAM_AUTH_CRAP, &request, &response);
+
+ /* Display response */
+
+ if ((result != NSS_STATUS_SUCCESS) && (response.data.auth.nt_status == 0)) {
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+
+ return NT_STATUS(response.data.auth.nt_status);
+}
+
+static void manage_squid_ntlmssp_request(enum squid_mode squid_mode,
+ char *buf, int length)
+{
+ static NTLMSSP_STATE *ntlmssp_state;
+ DATA_BLOB request, reply;
+ NTSTATUS nt_status;
+
+ if (!ntlmssp_state) {
+ ntlmssp_server_start(&ntlmssp_state);
+ ntlmssp_state->check_password = winbind_pw_check;
+ ntlmssp_state->get_domain = get_winbind_domain;
+ ntlmssp_state->get_global_myname = get_winbind_netbios_name;
+ }
+
+ if (strlen(buf) < 3) {
+ x_fprintf(x_stdout, "BH\n");
+ return;
+ }
+
+ request = base64_decode_data_blob(buf + 3);
+
+ DEBUG(0, ("got NTLMSSP packet:\n"));
+ dump_data(0, request.data, request.length);
+
+ nt_status = ntlmssp_server_update(ntlmssp_state, request, &reply);
+
+ if (NT_STATUS_EQUAL(nt_status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
+ char *reply_base64 = base64_encode_data_blob(reply);
+ x_fprintf(x_stdout, "TT %s\n", reply_base64);
+ SAFE_FREE(reply_base64);
+ data_blob_free(&reply);
+ } else if (!NT_STATUS_IS_OK(nt_status)) {
+ x_fprintf(x_stdout, "NA %s\n", nt_errstr(nt_status));
+ } else {
+ x_fprintf(x_stdout, "AF %s\\%s\n", ntlmssp_state->domain, ntlmssp_state->user);
+ }
+
+ data_blob_free(&request);
+}
+
+static void manage_squid_basic_request(enum squid_mode squid_mode,
+ char *buf, int length)
+{
+ char *user, *pass;
+ user=buf;
+
+ pass=memchr(buf,' ',length);
+ if (!pass) {
+ DEBUG(2, ("Password not found. Denying access\n"));
+ x_fprintf(x_stderr, "ERR\n");
+ return;
+ }
+ *pass='\0';
+ pass++;
+
+ if (squid_mode == SQUID_2_5_BASIC) {
+ rfc1738_unescape(user);
+ rfc1738_unescape(pass);
+ }
+
+ if (check_plaintext_auth(user, pass, False)) {
+ x_fprintf(x_stdout, "OK\n");
+ } else {
+ x_fprintf(x_stdout, "ERR\n");
+ }
+}
+
+static void manage_squid_request(enum squid_mode squid_mode)
+{
+ char buf[SQUID_BUFFER_SIZE+1];
+ int length;
+ char *c;
+ static BOOL err;
+
+ if (x_fgets(buf, sizeof(buf)-1, x_stdin) == NULL) {
+ DEBUG(1, ("fgets() failed! dying..... errno=%d (%s)\n", errno,
+ strerror(errno)));
+ exit(1); /* BIIG buffer */
+ }
+
+ c=memchr(buf,'\n',sizeof(buf)-1);
+ if (c) {
+ *c = '\0';
+ length = c-buf;
+ } else {
+ err = 1;
+ return;
+ }
+ if (err) {
+ DEBUG(2, ("Oversized message\n"));
+ x_fprintf(x_stderr, "ERR\n");
+ err = 0;
+ return;
+ }
+
+ DEBUG(10, ("Got '%s' from squid (length: %d).\n",buf,length));
+
+ if (buf[0] == '\0') {
+ DEBUG(2, ("Invalid Request\n"));
+ x_fprintf(x_stderr, "ERR\n");
+ return;
+ }
+
+ if (squid_mode == SQUID_2_5_BASIC || squid_mode == SQUID_2_4_BASIC) {
+ manage_squid_basic_request(squid_mode, buf, length);
+ } else if (squid_mode == SQUID_2_5_NTLMSSP) {
+ manage_squid_ntlmssp_request(squid_mode, buf, length);
+ }
+}
+
+
+static void squid_stream(enum squid_mode squid_mode) {
+ /* initialize FDescs */
+ x_setbuf(x_stdout, NULL);
+ x_setbuf(x_stderr, NULL);
+ while(1) {
+ manage_squid_request(squid_mode);
+ }
+}
+
+
+/* Authenticate a user with a challenge/response */
+
+static BOOL check_auth_crap(void)
+{
+ struct winbindd_request request;
+ struct winbindd_response response;
+ NSS_STATUS result;
+ /* Send off request */
+
+ ZERO_STRUCT(request);
+ ZERO_STRUCT(response);
+
+ fstrcpy(request.data.auth_crap.user, username);
+
+ fstrcpy(request.data.auth_crap.domain, domain);
+ fstrcpy(request.data.auth_crap.workstation, workstation);
+
+ memcpy(request.data.auth_crap.chal, challenge, MIN(challenge_len, 8));
+
+ memcpy(request.data.auth_crap.lm_resp, lm_response, MIN(lm_response_len, sizeof(request.data.auth_crap.lm_resp)));
+
+ memcpy(request.data.auth_crap.nt_resp, nt_response, MIN(nt_response_len, sizeof(request.data.auth_crap.nt_resp)));
+
+ request.data.auth_crap.lm_resp_len = lm_response_len;
+ request.data.auth_crap.nt_resp_len = nt_response_len;
+
+ result = winbindd_request(WINBINDD_PAM_AUTH_CRAP, &request, &response);
+
+ /* Display response */
+
+ if ((result != NSS_STATUS_SUCCESS) && (response.data.auth.nt_status == 0)) {
+ d_printf("Reading winbind reply failed! (0x01)\n");
+ }
+
+ d_printf("%s (0x%x)\n",
+ response.data.auth.nt_status_string,
+ response.data.auth.nt_status);
+
+ return result == NSS_STATUS_SUCCESS;
+}
+
+/* Main program */
+
+enum {
+ OPT_USERNAME = 1000,
+ OPT_DOMAIN,
+ OPT_WORKSTATION,
+ OPT_CHALLENGE,
+ OPT_RESPONSE,
+ OPT_LM,
+ OPT_NT,
+ OPT_PASSWORD
+};
+
+/*************************************************************
+ Routine to set hex password characters into an allocated array.
+**************************************************************/
+
+static void hex_encode(const unsigned char *buff_in, size_t len, char **out_hex_buffer)
+{
+ int i;
+ char *hex_buffer;
+
+ *out_hex_buffer = smb_xmalloc((len*2)+1);
+ hex_buffer = *out_hex_buffer;
+
+ for (i = 0; i < len; i++)
+ slprintf(&hex_buffer[i*2], 3, "%02X", buff_in[i]);
+}
+
+/*************************************************************
+ Routine to get the 32 hex characters and turn them
+ into a 16 byte array.
+**************************************************************/
+
+static BOOL hex_decode(const char *hex_buf_in, unsigned char **out_buffer, size_t *size)
+{
+ int i;
+ size_t hex_buf_in_len = strlen(hex_buf_in);
+ unsigned char partial_byte_hex;
+ unsigned char partial_byte;
+ const char *hexchars = "0123456789ABCDEF";
+ char *p;
+ BOOL high = True;
+
+ if (!hex_buf_in)
+ return (False);
+
+ *size = (hex_buf_in_len + 1) / 2;
+
+ *out_buffer = smb_xmalloc(*size);
+
+ for (i = 0; i < hex_buf_in_len; i++) {
+ partial_byte_hex = toupper(hex_buf_in[i]);
+
+ p = strchr(hexchars, partial_byte_hex);
+
+ if (!p)
+ return (False);
+
+ partial_byte = PTR_DIFF(p, hexchars);
+
+ if (high) {
+ (*out_buffer)[i / 2] = (partial_byte << 4);
+ } else {
+ (*out_buffer)[i / 2] |= partial_byte;
+ }
+ high = !high;
+ }
+ return (True);
+}
+
+
+int main(int argc, const char **argv)
+{
+ int opt;
+
+ poptContext pc;
+ struct poptOption long_options[] = {
+ POPT_AUTOHELP
+
+ { "helper-protocol", 0, POPT_ARG_STRING, &helper_protocol, OPT_DOMAIN, "operate as a stdio-based helper", "helper protocol to use"},
+ { "username", 0, POPT_ARG_STRING, &username, OPT_USERNAME, "username"},
+ { "domain", 0, POPT_ARG_STRING, &domain, OPT_DOMAIN, "domain name"},
+ { "workstation", 0, POPT_ARG_STRING, &domain, OPT_WORKSTATION, "workstation"},
+ { "challenge", 0, POPT_ARG_STRING, &hex_challenge, OPT_CHALLENGE, "challenge (HEX encoded)"},
+ { "lm-response", 0, POPT_ARG_STRING, &hex_lm_response, OPT_LM, "LM Response to the challenge (HEX encoded)"},
+ { "nt-response", 0, POPT_ARG_STRING, &hex_nt_response, OPT_NT, "NT or NTLMv2 Response to the challenge (HEX encoded)"},
+ { "password", 0, POPT_ARG_STRING, &password, OPT_PASSWORD, "User's plaintext password"},
+ { NULL, 0, POPT_ARG_INCLUDE_TABLE, popt_common_debug },
+ { NULL, 0, POPT_ARG_INCLUDE_TABLE, popt_common_configfile },
+ { 0, 0, 0, 0 }
+ };
+
+ /* Samba client initialisation */
+
+ dbf = x_stderr;
+
+ /* Parse options */
+
+ pc = poptGetContext("ntlm_auth", argc, argv, long_options, 0);
+
+ /* Parse command line options */
+
+ if (argc == 1) {
+ poptPrintHelp(pc, stderr, 0);
+ return 1;
+ }
+
+ pc = poptGetContext(NULL, argc, (const char **)argv, long_options,
+ POPT_CONTEXT_KEEP_FIRST);
+
+ while((opt = poptGetNextOpt(pc)) != -1) {
+ switch (opt) {
+ case OPT_CHALLENGE:
+ if (!hex_decode(hex_challenge, &challenge, &challenge_len)) {
+ fprintf(stderr, "hex decode of %s failed!\n", hex_challenge);
+ exit(1);
+ }
+ break;
+ case OPT_LM:
+ if (!hex_decode(hex_lm_response, &lm_response, &lm_response_len)) {
+ fprintf(stderr, "hex decode of %s failed!\n", lm_response);
+ exit(1);
+ }
+ break;
+ case OPT_NT:
+ if (!hex_decode(hex_lm_response, &lm_response, &lm_response_len)) {
+ fprintf(stderr, "hex decode of %s failed!\n", lm_response);
+ exit(1);
+ }
+ break;
+ }
+ }
+
+ if (helper_protocol) {
+ if (strcmp(helper_protocol, "squid-2.5-ntlmssp")== 0) {
+ squid_stream(SQUID_2_5_NTLMSSP);
+ } else if (strcmp(helper_protocol, "squid-2.5-basic")== 0) {
+ squid_stream(SQUID_2_5_BASIC);
+ } else if (strcmp(helper_protocol, "squid-2.4-basic")== 0) {
+ squid_stream(SQUID_2_4_BASIC);
+ } else {
+ fprintf(stderr, "unknown helper protocol [%s]\n", helper_protocol);
+ exit(1);
+ }
+ }
+
+ if (domain == NULL) {
+ domain = get_winbind_domain();
+ }
+
+ if (workstation == NULL) {
+ workstation = "";
+ }
+
+ if (challenge) {
+ if (!check_auth_crap()) {
+ exit(1);
+ }
+ } else if (password) {
+ fstring user;
+ snprintf(user, sizeof(user)-1, "%s%c%s", domain, winbind_separator(), username);
+ if (!check_plaintext_auth(user, password, True)) {
+ exit(1);
+ }
+ }
+
+ /* Exit code */
+
+ poptFreeContext(pc);
+ return 0;
+}