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-rw-r--r--source3/utils/ntlm_auth.c308
1 files changed, 254 insertions, 54 deletions
diff --git a/source3/utils/ntlm_auth.c b/source3/utils/ntlm_auth.c
index e33f4c4dee..8c02b2741a 100644
--- a/source3/utils/ntlm_auth.c
+++ b/source3/utils/ntlm_auth.c
@@ -24,6 +24,8 @@
#include "includes.h"
+#undef HAVE_KRB5
+
#undef DBGC_CLASS
#define DBGC_CLASS DBGC_WINBIND
@@ -33,6 +35,7 @@ enum stdio_helper_mode {
SQUID_2_4_BASIC,
SQUID_2_5_BASIC,
SQUID_2_5_NTLMSSP,
+ CLIENT_NTLMSSP_1,
GSS_SPNEGO,
GSS_SPNEGO_CLIENT,
NUM_HELPER_MODES
@@ -55,6 +58,9 @@ static void manage_squid_basic_request (enum stdio_helper_mode stdio_helper_mode
static void manage_squid_ntlmssp_request (enum stdio_helper_mode stdio_helper_mode,
char *buf, int length);
+static void manage_client_ntlmssp_request (enum stdio_helper_mode stdio_helper_mode,
+ char *buf, int length);
+
static void manage_gss_spnego_request (enum stdio_helper_mode stdio_helper_mode,
char *buf, int length);
@@ -69,6 +75,7 @@ static const struct {
{ SQUID_2_4_BASIC, "squid-2.4-basic", manage_squid_basic_request},
{ SQUID_2_5_BASIC, "squid-2.5-basic", manage_squid_basic_request},
{ SQUID_2_5_NTLMSSP, "squid-2.5-ntlmssp", manage_squid_ntlmssp_request},
+ { CLIENT_NTLMSSP_1, "client-ntlmssp-1", manage_client_ntlmssp_request},
{ GSS_SPNEGO, "gss-spnego", manage_gss_spnego_request},
{ GSS_SPNEGO_CLIENT, "gss-spnego-client", manage_gss_spnego_client_request},
{ NUM_HELPER_MODES, NULL, NULL}
@@ -335,6 +342,112 @@ static NTSTATUS winbind_pw_check(struct ntlmssp_state *ntlmssp_state, DATA_BLOB
return nt_status;
}
+static NTSTATUS local_pw_check(struct ntlmssp_state *ntlmssp_state, DATA_BLOB *nt_session_key, DATA_BLOB *lm_session_key)
+{
+ static const char zeros[16];
+ NTSTATUS nt_status;
+ uint8 lm_key[8];
+ uint8 nt_key[16];
+ uint8 lm_pw[16], nt_pw[16];
+
+ nt_lm_owf_gen (opt_password, nt_pw, lm_pw);
+
+ nt_status = ntlm_password_check(ntlmssp_state->mem_ctx,
+ &ntlmssp_state->chal,
+ &ntlmssp_state->lm_resp,
+ &ntlmssp_state->nt_resp,
+ ntlmssp_state->user,
+ ntlmssp_state->user,
+ ntlmssp_state->domain,
+ lm_pw, nt_pw, nt_session_key, lm_session_key);
+
+ if (NT_STATUS_IS_OK(nt_status)) {
+ if (memcmp(lm_key, zeros, 8) != 0) {
+ *lm_session_key = data_blob(NULL, 16);
+ memcpy(lm_session_key->data, lm_key, 8);
+ memset(lm_session_key->data+8, '\0', 8);
+ }
+
+ if (memcmp(nt_key, zeros, 16) != 0) {
+ *nt_session_key = data_blob(nt_key, 16);
+ }
+ } else {
+ DEBUG(3, ("Login for user [%s]\\[%s]@[%s] failed due to [%s]\n",
+ ntlmssp_state->domain, ntlmssp_state->user, ntlmssp_state->workstation,
+ nt_errstr(nt_status)));
+ }
+ return nt_status;
+}
+
+static NTSTATUS ntlm_auth_start_ntlmssp_client(NTLMSSP_STATE **client_ntlmssp_state)
+{
+ NTSTATUS status;
+ if ( (opt_username == NULL) || (opt_domain == NULL) ) {
+ DEBUG(1, ("Need username and domain for NTLMSSP\n"));
+ return status;
+ }
+
+ status = ntlmssp_client_start(client_ntlmssp_state);
+
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(1, ("Could not start NTLMSSP client: %s\n",
+ nt_errstr(status)));
+ ntlmssp_end(client_ntlmssp_state);
+ return status;
+ }
+
+ status = ntlmssp_set_username(*client_ntlmssp_state, opt_username);
+
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(1, ("Could not set username: %s\n",
+ nt_errstr(status)));
+ ntlmssp_end(client_ntlmssp_state);
+ return status;
+ }
+
+ status = ntlmssp_set_domain(*client_ntlmssp_state, opt_domain);
+
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(1, ("Could not set domain: %s\n",
+ nt_errstr(status)));
+ ntlmssp_end(client_ntlmssp_state);
+ return status;
+ }
+
+ status = ntlmssp_set_password(*client_ntlmssp_state, opt_password);
+
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(1, ("Could not set password: %s\n",
+ nt_errstr(status)));
+ ntlmssp_end(client_ntlmssp_state);
+ return status;
+ }
+ return NT_STATUS_OK;
+}
+
+static NTSTATUS ntlm_auth_start_ntlmssp_server(NTLMSSP_STATE **ntlmssp_state)
+{
+ NTSTATUS status = ntlmssp_server_start(ntlmssp_state);
+
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(1, ("Could not start NTLMSSP client: %s\n",
+ nt_errstr(status)));
+ return status;
+ }
+
+ /* Have we been given a local password, or should we ask winbind? */
+ if (opt_password) {
+ (*ntlmssp_state)->check_password = local_pw_check;
+ (*ntlmssp_state)->get_domain = lp_workgroup;
+ (*ntlmssp_state)->get_global_myname = global_myname;
+ } else {
+ (*ntlmssp_state)->check_password = winbind_pw_check;
+ (*ntlmssp_state)->get_domain = get_winbind_domain;
+ (*ntlmssp_state)->get_global_myname = get_winbind_netbios_name;
+ }
+ return NT_STATUS_OK;
+}
+
static void manage_squid_ntlmssp_request(enum stdio_helper_mode stdio_helper_mode,
char *buf, int length)
{
@@ -348,6 +461,29 @@ static void manage_squid_ntlmssp_request(enum stdio_helper_mode stdio_helper_mod
return;
}
+ if (strlen(buf) > 3) {
+ request = base64_decode_data_blob(buf + 3);
+ } else {
+ request = data_blob(NULL, 0);
+ }
+
+ if ((strncmp(buf, "PW ", 3) == 0)) {
+ /* The calling application wants us to use a local password (rather than winbindd) */
+
+ 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");
+ data_blob_free(&request);
+ return;
+ }
+
+ x_fprintf(x_stdout, "OK\n");
+ data_blob_free(&request);
+ return;
+ }
+
if (strncmp(buf, "YR", 2) == 0) {
if (ntlmssp_state)
ntlmssp_end(&ntlmssp_state);
@@ -359,17 +495,11 @@ static void manage_squid_ntlmssp_request(enum stdio_helper_mode stdio_helper_mod
return;
}
- if (strlen(buf) > 3) {
- request = base64_decode_data_blob(buf + 3);
- } else {
- request = data_blob(NULL, 0);
- }
-
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 (!NT_STATUS_IS_OK(nt_status = ntlm_auth_start_ntlmssp_server(&ntlmssp_state))) {
+ x_fprintf(x_stdout, "BH %s\n", nt_errstr(nt_status));
+ return;
+ }
}
DEBUG(10, ("got NTLMSSP packet:\n"));
@@ -386,6 +516,8 @@ static void manage_squid_ntlmssp_request(enum stdio_helper_mode stdio_helper_mod
} else if (NT_STATUS_EQUAL(nt_status, NT_STATUS_ACCESS_DENIED)) {
x_fprintf(x_stdout, "BH %s\n", nt_errstr(nt_status));
DEBUG(0, ("NTLMSSP BH: %s\n", nt_errstr(nt_status)));
+
+ ntlmssp_end(&ntlmssp_state);
} else if (!NT_STATUS_IS_OK(nt_status)) {
x_fprintf(x_stdout, "NA %s\n", nt_errstr(nt_status));
DEBUG(10, ("NTLMSSP %s\n", nt_errstr(nt_status)));
@@ -397,6 +529,102 @@ static void manage_squid_ntlmssp_request(enum stdio_helper_mode stdio_helper_mod
data_blob_free(&request);
}
+static void manage_client_ntlmssp_request(enum stdio_helper_mode stdio_helper_mode,
+ char *buf, int length)
+{
+ static NTLMSSP_STATE *ntlmssp_state = NULL;
+ DATA_BLOB request, reply;
+ NTSTATUS nt_status;
+ BOOL first = False;
+
+ if (strlen(buf) < 2) {
+ DEBUG(1, ("NTLMSSP query [%s] invalid", buf));
+ x_fprintf(x_stdout, "BH\n");
+ return;
+ }
+
+ if (strlen(buf) > 3) {
+ request = base64_decode_data_blob(buf + 3);
+ } else {
+ request = data_blob(NULL, 0);
+ }
+
+ if (strncmp(buf, "PW ", 3) == 0) {
+ /* 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");
+ data_blob_free(&request);
+ return;
+ }
+
+ x_fprintf(x_stdout, "OK\n");
+ data_blob_free(&request);
+ return;
+ }
+
+ if (opt_password == NULL) {
+
+ /* Request a password from the calling process. After
+ sending it, the calling process should retry asking for the negotiate. */
+
+ DEBUG(10, ("Requesting password\n"));
+ x_fprintf(x_stdout, "PW\n");
+ return;
+ }
+
+ if (strncmp(buf, "YR", 2) == 0) {
+ if (ntlmssp_state)
+ ntlmssp_end(&ntlmssp_state);
+ } else if (strncmp(buf, "TT", 2) == 0) {
+
+ } else {
+ DEBUG(1, ("NTLMSSP query [%s] invalid", buf));
+ x_fprintf(x_stdout, "BH\n");
+ return;
+ }
+
+ if (!ntlmssp_state) {
+ if (!NT_STATUS_IS_OK(nt_status = ntlm_auth_start_ntlmssp_client(&ntlmssp_state))) {
+ x_fprintf(x_stdout, "BH %s\n", nt_errstr(nt_status));
+ return;
+ }
+ first = True;
+ }
+
+ DEBUG(10, ("got NTLMSSP packet:\n"));
+ dump_data(10, (const char *)request.data, request.length);
+
+ nt_status = ntlmssp_update(ntlmssp_state, request, &reply);
+
+ if (NT_STATUS_EQUAL(nt_status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
+ char *reply_base64 = base64_encode_data_blob(reply);
+ if (first) {
+ x_fprintf(x_stdout, "YR %s\n", reply_base64);
+ } else {
+ x_fprintf(x_stdout, "KK %s\n", reply_base64);
+ }
+ SAFE_FREE(reply_base64);
+ data_blob_free(&reply);
+ DEBUG(10, ("NTLMSSP challenge\n"));
+ } else if (NT_STATUS_IS_OK(nt_status)) {
+ x_fprintf(x_stdout, "AF\n");
+ DEBUG(10, ("NTLMSSP OK!\n"));
+ if (ntlmssp_state)
+ ntlmssp_end(&ntlmssp_state);
+ } else {
+ x_fprintf(x_stdout, "BH %s\n", nt_errstr(nt_status));
+ DEBUG(0, ("NTLMSSP BH: %s\n", nt_errstr(nt_status)));
+ if (ntlmssp_state)
+ ntlmssp_end(&ntlmssp_state);
+ }
+
+ data_blob_free(&request);
+}
+
static void manage_squid_basic_request(enum stdio_helper_mode stdio_helper_mode,
char *buf, int length)
{
@@ -561,10 +789,10 @@ static void manage_gss_spnego_request(enum stdio_helper_mode stdio_helper_mode,
return;
}
- 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 (!NT_STATUS_IS_OK(status = ntlm_auth_start_ntlmssp_server(&ntlmssp_state))) {
+ x_fprintf(x_stdout, "BH %s\n", nt_errstr(status));
+ return;
+ }
DEBUG(10, ("got NTLMSSP packet:\n"));
dump_data(10, (const char *)request.negTokenInit.mechToken.data,
@@ -720,11 +948,14 @@ static BOOL manage_client_ntlmssp_init(SPNEGO_DATA spnego)
return False;
}
- if ( (opt_username == NULL) || (opt_domain == NULL) ) {
- DEBUG(1, ("Need username and domain for NTLMSSP\n"));
- return False;
+ if (!client_ntlmssp_state) {
+ if (!NT_STATUS_IS_OK(status = ntlm_auth_start_ntlmssp_client(&client_ntlmssp_state))) {
+ x_fprintf(x_stdout, "BH %s\n", nt_errstr(status));
+ return False;
+ }
}
+
if (opt_password == NULL) {
/* Request a password from the calling process. After
@@ -736,42 +967,6 @@ static BOOL manage_client_ntlmssp_init(SPNEGO_DATA spnego)
return True;
}
- status = ntlmssp_client_start(&client_ntlmssp_state);
-
- if (!NT_STATUS_IS_OK(status)) {
- DEBUG(1, ("Could not start NTLMSSP client: %s\n",
- nt_errstr(status)));
- ntlmssp_end(&client_ntlmssp_state);
- return False;
- }
-
- status = ntlmssp_set_username(client_ntlmssp_state, opt_username);
-
- if (!NT_STATUS_IS_OK(status)) {
- DEBUG(1, ("Could not set username: %s\n",
- nt_errstr(status)));
- ntlmssp_end(&client_ntlmssp_state);
- return False;
- }
-
- status = ntlmssp_set_domain(client_ntlmssp_state, opt_domain);
-
- if (!NT_STATUS_IS_OK(status)) {
- DEBUG(1, ("Could not set domain: %s\n",
- nt_errstr(status)));
- ntlmssp_end(&client_ntlmssp_state);
- return False;
- }
-
- status = ntlmssp_set_password(client_ntlmssp_state, opt_password);
-
- if (!NT_STATUS_IS_OK(status)) {
- DEBUG(1, ("Could not set password: %s\n",
- nt_errstr(status)));
- ntlmssp_end(&client_ntlmssp_state);
- return False;
- }
-
spnego.type = SPNEGO_NEG_TOKEN_INIT;
spnego.negTokenInit.mechTypes = my_mechs;
spnego.negTokenInit.reqFlags = 0;
@@ -1915,7 +2110,12 @@ enum {
exit(0);
}
}
- x_fprintf(x_stderr, "unknown helper protocol [%s]\n", helper_protocol);
+ x_fprintf(x_stderr, "unknown helper protocol [%s]\n\nValid helper protools:\n\n", helper_protocol);
+
+ for (i=0; i<NUM_HELPER_MODES; i++) {
+ x_fprintf(x_stderr, "%s\n", stdio_helper_protocols[i].name);
+ }
+
exit(1);
}
generated by cgit (git 2.34.1) at 2024-12-24 15:09:39 +0000