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-rw-r--r--source3/utils/ntlm_auth.c204
1 files changed, 202 insertions, 2 deletions
diff --git a/source3/utils/ntlm_auth.c b/source3/utils/ntlm_auth.c
index 45e37dc37f..9e65040107 100644
--- a/source3/utils/ntlm_auth.c
+++ b/source3/utils/ntlm_auth.c
@@ -37,6 +37,7 @@ enum stdio_helper_mode {
NTLMSSP_CLIENT_1,
GSS_SPNEGO,
GSS_SPNEGO_CLIENT,
+ NTLM_SERVER_1,
NUM_HELPER_MODES
};
@@ -58,6 +59,9 @@ static void manage_gss_spnego_request (enum stdio_helper_mode stdio_helper_mode,
static void manage_gss_spnego_client_request (enum stdio_helper_mode stdio_helper_mode,
char *buf, int length);
+static void manage_ntlm_server_1_request (enum stdio_helper_mode stdio_helper_mode,
+ char *buf, int length);
+
static const struct {
enum stdio_helper_mode mode;
const char *name;
@@ -69,6 +73,9 @@ static const struct {
{ NTLMSSP_CLIENT_1, "ntlmssp-client-1", manage_client_ntlmssp_request},
{ GSS_SPNEGO, "gss-spnego", manage_gss_spnego_request},
{ GSS_SPNEGO_CLIENT, "gss-spnego-client", manage_gss_spnego_client_request},
+#ifdef DEVELOPER
+ { NTLM_SERVER_1, "ntlm-server-1", manage_ntlm_server_1_request},
+#endif
{ NUM_HELPER_MODES, NULL, NULL}
};
@@ -719,7 +726,7 @@ static void manage_squid_basic_request(enum stdio_helper_mode stdio_helper_mode,
pass=memchr(buf,' ',length);
if (!pass) {
DEBUG(2, ("Password not found. Denying access\n"));
- x_fprintf(x_stderr, "ERR\n");
+ x_fprintf(x_stdout, "ERR\n");
return;
}
*pass='\0';
@@ -1268,7 +1275,7 @@ static void manage_gss_spnego_client_request(enum stdio_helper_mode stdio_helper
/* We asked for a password and obviously got it :-) */
opt_password = strndup((const char *)request.data, request.length);
-
+
if (opt_password == NULL) {
DEBUG(1, ("Out of memory\n"));
x_fprintf(x_stdout, "BH\n");
@@ -1381,6 +1388,199 @@ static void manage_gss_spnego_client_request(enum stdio_helper_mode stdio_helper
return;
}
+static void manage_ntlm_server_1_request(enum stdio_helper_mode stdio_helper_mode,
+ char *buf, int length)
+{
+ char *request, *parameter;
+ static DATA_BLOB challenge;
+ static DATA_BLOB lm_response;
+ static DATA_BLOB nt_response;
+ static char *full_username;
+ static char *username;
+ static char *domain;
+ static char *plaintext_password;
+ static BOOL ntlm_server_1_user_session_key;
+ static BOOL ntlm_server_1_lm_session_key;
+
+ if (strequal(buf, ".")) {
+ if (!full_username && !username) {
+ x_fprintf(x_stdout, "Error: No username supplied!\n");
+ } else if (plaintext_password) {
+ /* handle this request as plaintext */
+ if (!full_username) {
+ if (asprintf(&full_username, "%s%c%s", domain, winbind_separator(), username) == -1) {
+ x_fprintf(x_stdout, "Error: Out of memory in asprintf!\n.\n");
+ return;
+ }
+ }
+ if (check_plaintext_auth(full_username, plaintext_password, False)) {
+ x_fprintf(x_stdout, "Authenticated: Yes\n");
+ } else {
+ x_fprintf(x_stdout, "Authenticated: No\n");
+ }
+ } else if (!lm_response.data || !nt_response.data) {
+ x_fprintf(x_stdout, "Error: No password supplied!\n");
+ } else if (!challenge.data) {
+ x_fprintf(x_stdout, "Error: No lanman-challenge supplied!\n");
+ } else {
+ char *error_string = NULL;
+ uchar lm_key[8];
+ uchar user_session_key[16];
+ uint32 flags = 0;
+
+ if (full_username && !username) {
+ fstring fstr_user;
+ fstring fstr_domain;
+
+ if (!parse_ntlm_auth_domain_user(full_username, fstr_user, fstr_domain)) {
+ /* username might be 'tainted', don't print into our new-line deleimianted stream */
+ x_fprintf(x_stdout, "Error: Could not parse into domain and username\n");
+ }
+ SAFE_FREE(username);
+ SAFE_FREE(domain);
+ username = smb_xstrdup(fstr_user);
+ domain = smb_xstrdup(fstr_domain);
+ }
+
+ if (!domain) {
+ domain = smb_xstrdup(get_winbind_domain());
+ }
+
+ if (ntlm_server_1_lm_session_key)
+ flags |= WBFLAG_PAM_LMKEY;
+
+ if (ntlm_server_1_user_session_key)
+ flags |= WBFLAG_PAM_USER_SESSION_KEY;
+
+ if (!NT_STATUS_IS_OK(
+ contact_winbind_auth_crap(username,
+ domain,
+ global_myname(),
+ &challenge,
+ &lm_response,
+ &nt_response,
+ flags,
+ lm_key,
+ user_session_key,
+ &error_string,
+ NULL))) {
+
+ x_fprintf(x_stdout, "Authenticated: No\n");
+ x_fprintf(x_stdout, "Authentication-Error: %s\n.\n", error_string);
+ SAFE_FREE(error_string);
+ } else {
+ static char zeros[16];
+ char *hex_lm_key;
+ char *hex_user_session_key;
+
+ x_fprintf(x_stdout, "Authenticated: Yes\n");
+
+ if (ntlm_server_1_lm_session_key
+ && (memcmp(zeros, lm_key,
+ sizeof(lm_key)) != 0)) {
+ hex_encode((const unsigned char *)lm_key,
+ sizeof(lm_key),
+ &hex_lm_key);
+ x_fprintf(x_stdout, "LANMAN-Session-Key: %s\n", hex_lm_key);
+ SAFE_FREE(hex_lm_key);
+ }
+
+ if (ntlm_server_1_user_session_key
+ && (memcmp(zeros, user_session_key,
+ sizeof(user_session_key)) != 0)) {
+ hex_encode((const unsigned char *)user_session_key,
+ sizeof(user_session_key),
+ &hex_user_session_key);
+ x_fprintf(x_stdout, "User-Session-Key: %s\n", hex_user_session_key);
+ SAFE_FREE(hex_user_session_key);
+ }
+ }
+ }
+ /* clear out the state */
+ challenge = data_blob(NULL, 0);
+ nt_response = data_blob(NULL, 0);
+ lm_response = data_blob(NULL, 0);
+ SAFE_FREE(full_username);
+ SAFE_FREE(username);
+ SAFE_FREE(domain);
+ SAFE_FREE(plaintext_password);
+ ntlm_server_1_user_session_key = False;
+ ntlm_server_1_lm_session_key = False;
+ x_fprintf(x_stdout, ".\n");
+
+ return;
+ }
+
+ request = buf;
+
+ parameter = strstr_m(request, ": ");
+ if (!parameter) {
+ /* Indicates a base64 encoded structure */
+ parameter = strstr_m(request, ":: ");
+
+ if (!parameter) {
+ DEBUG(0, ("Parameter not found!\n"));
+ x_fprintf(x_stdout, "Error: Parameter not found!\n.\n");
+ return;
+ }
+ parameter[0] ='\0';
+ parameter++;
+ parameter[0] ='\0';
+ parameter++;
+ parameter[0] ='\0';
+ parameter++;
+
+ base64_decode_inplace(parameter);
+ } else {
+
+ parameter[0] ='\0';
+ parameter++;
+ parameter[0] ='\0';
+ parameter++;
+ }
+
+ if (strequal(request, "LANMAN-Challenge")) {
+ challenge = strhex_to_data_blob(parameter);
+ if (challenge.length != 8) {
+ x_fprintf(x_stdout, "Error: hex decode of %s failed! (got %d bytes, expected 8)\n.\n",
+ parameter,
+ (int)challenge.length);
+ challenge = data_blob(NULL, 0);
+ }
+ } else if (strequal(request, "NT-Response")) {
+ nt_response = strhex_to_data_blob(parameter);
+ if (nt_response.length < 24) {
+ x_fprintf(x_stdout, "Error: hex decode of %s failed! (only got %d bytes, needed at least 24)\n.\n",
+ parameter,
+ (int)opt_nt_response.length);
+ nt_response = data_blob(NULL, 0);
+ }
+ } else if (strequal(request, "LANMAN-Response")) {
+ lm_response = strhex_to_data_blob(parameter);
+ if (lm_response.length != 24) {
+ x_fprintf(x_stdout, "Error: hex decode of %s failed! (got %d bytes, expected 24)\n.\n",
+ parameter,
+ (int)lm_response.length);
+ lm_response = data_blob(NULL, 0);
+ }
+ } else if (strequal(request, "Password")) {
+ plaintext_password = smb_xstrdup(parameter);
+ } else if (strequal(request, "NT-Domain")) {
+ domain = smb_xstrdup(parameter);
+ } else if (strequal(request, "Username")) {
+ username = smb_xstrdup(parameter);
+ } else if (strequal(request, "Full-Username")) {
+ full_username = smb_xstrdup(parameter);
+ } else if (strequal(request, "Request-User-Session-Key")) {
+ ntlm_server_1_user_session_key = strequal(parameter, "Yes");
+ } else if (strequal(request, "Request-LanMan-Session-Key")) {
+ ntlm_server_1_lm_session_key = strequal(parameter, "Yes");
+ } else {
+ x_fprintf(x_stdout, "Error: Unknown request %s\n", request);
+ }
+ x_fprintf(x_stdout, ".\n");
+}
+
static void manage_squid_request(enum stdio_helper_mode helper_mode, stdio_helper_function fn)
{
char buf[SQUID_BUFFER_SIZE+1];
generated by cgit (git 2.34.1) at 2024-07-10 13:20:45 +0000