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Diffstat (limited to 'source4/utils/ntlm_auth.c')
-rw-r--r--source4/utils/ntlm_auth.c197
1 files changed, 135 insertions, 62 deletions
diff --git a/source4/utils/ntlm_auth.c b/source4/utils/ntlm_auth.c
index b038ad9879..feaae17abb 100644
--- a/source4/utils/ntlm_auth.c
+++ b/source4/utils/ntlm_auth.c
@@ -50,19 +50,23 @@ enum stdio_helper_mode {
typedef void (*stdio_helper_function)(enum stdio_helper_mode stdio_helper_mode,
- char *buf, int length, void **private);
+ char *buf, int length, void **private,
+ unsigned int mux_id);
static void manage_squid_basic_request (enum stdio_helper_mode stdio_helper_mode,
- char *buf, int length, void **private);
+ char *buf, int length, void **private,
+ unsigned int mux_id);
static void manage_gensec_request (enum stdio_helper_mode stdio_helper_mode,
- char *buf, int length, void **private);
+ char *buf, int length, void **private,
+ unsigned int mux_id);
static void manage_ntlm_server_1_request (enum stdio_helper_mode stdio_helper_mode,
- char *buf, int length, void **private);
+ char *buf, int length, void **private,
+ unsigned int mux_id);
static void manage_squid_request(enum stdio_helper_mode helper_mode,
- stdio_helper_function fn, void *private);
+ stdio_helper_function fn);
static const struct {
enum stdio_helper_mode mode;
@@ -85,13 +89,31 @@ const char *opt_username;
const char *opt_domain;
const char *opt_workstation;
const char *opt_password;
+int opt_multiplex;
+
+
+static void mux_printf(unsigned int mux_id, const char *format, ...) PRINTF_ATTRIBUTE(2, 3);
+
+static void mux_printf(unsigned int mux_id, const char *format, ...)
+{
+ va_list ap;
+
+ if (opt_multiplex) {
+ x_fprintf(x_stdout, "%d ", mux_id);
+ }
+
+ va_start(ap, format);
+ x_vfprintf(x_stdout, format, ap);
+ va_end(ap);
+}
+
/* Copy of parse_domain_user from winbindd_util.c. Parse a string of the
form DOMAIN/user into a domain and a user */
static BOOL parse_ntlm_auth_domain_user(const char *domuser, fstring domain,
- fstring user)
+ fstring user)
{
char *p = strchr(domuser,*lp_winbind_separator());
@@ -179,7 +201,8 @@ static NTSTATUS local_pw_check_specified(const char *username,
}
static void manage_squid_basic_request(enum stdio_helper_mode stdio_helper_mode,
- char *buf, int length, void **private)
+ char *buf, int length, void **private,
+ unsigned int mux_id)
{
char *user, *pass;
user=buf;
@@ -187,7 +210,7 @@ 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_stdout, "ERR\n");
+ mux_printf(mux_id, "ERR\n");
return;
}
*pass='\0';
@@ -199,9 +222,9 @@ static void manage_squid_basic_request(enum stdio_helper_mode stdio_helper_mode,
}
if (check_plaintext_auth(user, pass, False)) {
- x_fprintf(x_stdout, "OK\n");
+ mux_printf(mux_id, "OK\n");
} else {
- x_fprintf(x_stdout, "ERR\n");
+ mux_printf(mux_id, "ERR\n");
}
}
@@ -209,13 +232,14 @@ static void manage_squid_basic_request(enum stdio_helper_mode stdio_helper_mode,
to the calling application. The callback comes from within gensec */
static void manage_gensec_get_pw_request(enum stdio_helper_mode stdio_helper_mode,
- char *buf, int length, void **private)
+ char *buf, int length, void **private,
+ unsigned int mux_id)
{
DATA_BLOB in;
struct gensec_security **gensec_state = (struct gensec_security **)private;
if (strlen(buf) < 2) {
DEBUG(1, ("query [%s] invalid", buf));
- x_fprintf(x_stdout, "BH\n");
+ mux_printf(mux_id, "BH\n");
return;
}
@@ -232,17 +256,17 @@ static void manage_gensec_get_pw_request(enum stdio_helper_mode stdio_helper_mod
if ((*gensec_state)->password_callback_private == NULL) {
DEBUG(1, ("Out of memory\n"));
- x_fprintf(x_stdout, "BH\n");
+ mux_printf(mux_id, "BH\n");
data_blob_free(&in);
return;
}
- x_fprintf(x_stdout, "OK\n");
+ mux_printf(mux_id, "OK\n");
data_blob_free(&in);
return;
}
DEBUG(1, ("Asked for (and expected) a password\n"));
- x_fprintf(x_stdout, "BH\n");
+ mux_printf(mux_id, "BH\n");
data_blob_free(&in);
}
@@ -251,16 +275,17 @@ static void manage_gensec_get_pw_request(enum stdio_helper_mode stdio_helper_mod
* for the stdio part of this.
*/
-static NTSTATUS get_password(struct gensec_security *gensec_security, TALLOC_CTX *mem_ctx,
+static NTSTATUS get_password(struct gensec_security *gensec_security,
+ TALLOC_CTX *mem_ctx,
char **password)
{
*password = NULL;
/* Ask for a password */
- x_fprintf(x_stdout, "PW\n");
+ mux_printf((unsigned int)gensec_security->password_callback_private, "PW\n");
gensec_security->password_callback_private = NULL;
- manage_squid_request(NUM_HELPER_MODES /* bogus */, manage_gensec_get_pw_request, &gensec_security);
+ manage_squid_request(NUM_HELPER_MODES /* bogus */, manage_gensec_get_pw_request);
*password = (char *)gensec_security->password_callback_private;
if (*password) {
return NT_STATUS_OK;
@@ -270,7 +295,8 @@ static NTSTATUS get_password(struct gensec_security *gensec_security, TALLOC_CTX
}
static void manage_gensec_request(enum stdio_helper_mode stdio_helper_mode,
- char *buf, int length, void **private)
+ char *buf, int length, void **private,
+ unsigned int mux_id)
{
DATA_BLOB in;
DATA_BLOB out = data_blob(NULL, 0);
@@ -283,7 +309,7 @@ static void manage_gensec_request(enum stdio_helper_mode stdio_helper_mode,
if (strlen(buf) < 2) {
DEBUG(1, ("query [%s] invalid", buf));
- x_fprintf(x_stdout, "BH\n");
+ mux_printf(mux_id, "BH\n");
return;
}
@@ -308,7 +334,7 @@ static void manage_gensec_request(enum stdio_helper_mode stdio_helper_mode,
(strncmp(buf, "NA ", 3) != 0) &&
(strncmp(buf, "PW ", 3) != 0)) {
DEBUG(1, ("SPNEGO request [%s] invalid\n", buf));
- x_fprintf(x_stdout, "BH\n");
+ mux_printf(mux_id, "BH\n");
data_blob_free(&in);
return;
}
@@ -328,12 +354,12 @@ static void manage_gensec_request(enum stdio_helper_mode stdio_helper_mode,
if (opt_password) {
if (!NT_STATUS_IS_OK(gensec_set_password(*gensec_state, opt_password))) {
DEBUG(1, ("Out of memory\n"));
- x_fprintf(x_stdout, "BH\n");
+ mux_printf(mux_id, "BH\n");
data_blob_free(&in);
return;
}
} else {
- gensec_set_password_callback(*gensec_state, get_password, NULL);
+ gensec_set_password_callback(*gensec_state, get_password, (void*)mux_id);
}
break;
@@ -351,8 +377,14 @@ static void manage_gensec_request(enum stdio_helper_mode stdio_helper_mode,
case GSS_SPNEGO_CLIENT:
case GSS_SPNEGO_SERVER:
nt_status = gensec_start_mech_by_oid(*gensec_state, OID_SPNEGO);
+ if (!in.length) {
+ first = True;
+ }
break;
case NTLMSSP_CLIENT_1:
+ if (!in.length) {
+ first = True;
+ }
case SQUID_2_5_NTLMSSP:
nt_status = gensec_start_mech_by_oid(*gensec_state, OID_NTLMSSP);
break;
@@ -362,12 +394,9 @@ static void manage_gensec_request(enum stdio_helper_mode stdio_helper_mode,
if (!NT_STATUS_IS_OK(nt_status)) {
DEBUG(1, ("SPENGO login failed to initialise: %s\n", nt_errstr(nt_status)));
- x_fprintf(x_stdout, "BH\n");
+ mux_printf(mux_id, "BH\n");
return;
}
- if (!in.length) {
- first = True;
- }
}
if (strncmp(buf, "PW ", 3) == 0) {
@@ -377,12 +406,12 @@ static void manage_gensec_request(enum stdio_helper_mode stdio_helper_mode,
(const char *)in.data,
in.length)))) {
DEBUG(1, ("Out of memory\n"));
- x_fprintf(x_stdout, "BH\n");
+ mux_printf(mux_id, "BH\n");
data_blob_free(&in);
return;
}
- x_fprintf(x_stdout, "OK\n");
+ mux_printf(mux_id, "OK\n");
data_blob_free(&in);
return;
}
@@ -449,17 +478,17 @@ static void manage_gensec_request(enum stdio_helper_mode stdio_helper_mode,
switch (stdio_helper_mode) {
case GSS_SPNEGO_SERVER:
- x_fprintf(x_stdout, "%s %s %s\n", reply_code,
+ mux_printf(mux_id, "%s %s %s\n", reply_code,
out_base64 ? out_base64 : "*",
reply_arg ? reply_arg : "*");
break;
default:
if (out_base64) {
- x_fprintf(x_stdout, "%s %s\n", reply_code, out_base64);
+ mux_printf(mux_id, "%s %s\n", reply_code, out_base64);
} else if (reply_arg) {
- x_fprintf(x_stdout, "%s %s\n", reply_code, reply_arg);
+ mux_printf(mux_id, "%s %s\n", reply_code, reply_arg);
} else {
- x_fprintf(x_stdout, "%s\n", reply_code);
+ mux_printf(mux_id, "%s\n", reply_code);
}
}
@@ -468,7 +497,8 @@ static void manage_gensec_request(enum stdio_helper_mode stdio_helper_mode,
}
static void manage_ntlm_server_1_request(enum stdio_helper_mode stdio_helper_mode,
- char *buf, int length, void **private)
+ char *buf, int length, void **private,
+ unsigned int mux_id)
{
char *request, *parameter;
static DATA_BLOB challenge;
@@ -483,24 +513,24 @@ static void manage_ntlm_server_1_request(enum stdio_helper_mode stdio_helper_mod
if (strequal(buf, ".")) {
if (!full_username && !username) {
- x_fprintf(x_stdout, "Error: No username supplied!\n");
+ mux_printf(mux_id, "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, *lp_winbind_separator(), username) == -1) {
- x_fprintf(x_stdout, "Error: Out of memory in asprintf!\n.\n");
+ mux_printf(mux_id, "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");
+ mux_printf(mux_id, "Authenticated: Yes\n");
} else {
- x_fprintf(x_stdout, "Authenticated: No\n");
+ mux_printf(mux_id, "Authenticated: No\n");
}
} else if (!lm_response.data && !nt_response.data) {
- x_fprintf(x_stdout, "Error: No password supplied!\n");
+ mux_printf(mux_id, "Error: No password supplied!\n");
} else if (!challenge.data) {
- x_fprintf(x_stdout, "Error: No lanman-challenge supplied!\n");
+ mux_printf(mux_id, "Error: No lanman-challenge supplied!\n");
} else {
char *error_string = NULL;
DATA_BLOB lm_key;
@@ -513,7 +543,7 @@ static void manage_ntlm_server_1_request(enum stdio_helper_mode stdio_helper_mod
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");
+ mux_printf(mux_id, "Error: Could not parse into domain and username\n");
}
SAFE_FREE(username);
SAFE_FREE(domain);
@@ -544,15 +574,15 @@ static void manage_ntlm_server_1_request(enum stdio_helper_mode stdio_helper_mod
&error_string,
NULL))) {
- x_fprintf(x_stdout, "Authenticated: No\n");
- x_fprintf(x_stdout, "Authentication-Error: %s\n.\n", error_string);
+ mux_printf(mux_id, "Authenticated: No\n");
+ mux_printf(mux_id, "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");
+ mux_printf(mux_id, "Authenticated: Yes\n");
if (ntlm_server_1_lm_session_key
&& lm_key.length
@@ -561,7 +591,7 @@ static void manage_ntlm_server_1_request(enum stdio_helper_mode stdio_helper_mod
hex_encode(lm_key.data,
lm_key.length,
&hex_lm_key);
- x_fprintf(x_stdout, "LANMAN-Session-Key: %s\n", hex_lm_key);
+ mux_printf(mux_id, "LANMAN-Session-Key: %s\n", hex_lm_key);
SAFE_FREE(hex_lm_key);
}
@@ -572,7 +602,7 @@ static void manage_ntlm_server_1_request(enum stdio_helper_mode stdio_helper_mod
hex_encode(user_session_key.data,
user_session_key.length,
&hex_user_session_key);
- x_fprintf(x_stdout, "User-Session-Key: %s\n", hex_user_session_key);
+ mux_printf(mux_id, "User-Session-Key: %s\n", hex_user_session_key);
SAFE_FREE(hex_user_session_key);
}
}
@@ -587,7 +617,7 @@ static void manage_ntlm_server_1_request(enum stdio_helper_mode stdio_helper_mod
SAFE_FREE(plaintext_password);
ntlm_server_1_user_session_key = False;
ntlm_server_1_lm_session_key = False;
- x_fprintf(x_stdout, ".\n");
+ mux_printf(mux_id, ".\n");
return;
}
@@ -601,7 +631,7 @@ static void manage_ntlm_server_1_request(enum stdio_helper_mode stdio_helper_mod
if (!parameter) {
DEBUG(0, ("Parameter not found!\n"));
- x_fprintf(x_stdout, "Error: Parameter not found!\n.\n");
+ mux_printf(mux_id, "Error: Parameter not found!\n.\n");
return;
}
@@ -624,7 +654,7 @@ static void manage_ntlm_server_1_request(enum stdio_helper_mode stdio_helper_mod
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",
+ mux_printf(mux_id, "Error: hex decode of %s failed! (got %d bytes, expected 8)\n.\n",
parameter,
(int)challenge.length);
challenge = data_blob(NULL, 0);
@@ -632,7 +662,7 @@ static void manage_ntlm_server_1_request(enum stdio_helper_mode stdio_helper_mod
} 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",
+ mux_printf(mux_id, "Error: hex decode of %s failed! (only got %d bytes, needed at least 24)\n.\n",
parameter,
(int)nt_response.length);
nt_response = data_blob(NULL, 0);
@@ -640,7 +670,7 @@ static void manage_ntlm_server_1_request(enum stdio_helper_mode stdio_helper_mod
} 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",
+ mux_printf(mux_id, "Error: hex decode of %s failed! (got %d bytes, expected 24)\n.\n",
parameter,
(int)lm_response.length);
lm_response = data_blob(NULL, 0);
@@ -658,16 +688,26 @@ static void manage_ntlm_server_1_request(enum stdio_helper_mode stdio_helper_mod
} 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.\n", request);
+ mux_printf(mux_id, "Error: Unknown request %s\n.\n", request);
}
}
-static void manage_squid_request(enum stdio_helper_mode helper_mode, stdio_helper_function fn, void *private)
+static void manage_squid_request(enum stdio_helper_mode helper_mode,
+ stdio_helper_function fn)
{
char buf[SQUID_BUFFER_SIZE+1];
+ unsigned int mux_id;
int length;
char *c;
static BOOL err;
+ struct mux_private {
+ unsigned int max_mux;
+ void **private_pointers;
+ };
+
+ static struct mux_private *mux_private;
+ static void *normal_private;
+ void **private;
/* this is not a typo - x_fgets doesn't work too well under squid */
if (fgets(buf, sizeof(buf)-1, stdin) == NULL) {
@@ -689,8 +729,8 @@ static void manage_squid_request(enum stdio_helper_mode helper_mode, stdio_helpe
return;
}
if (err) {
- DEBUG(2, ("Oversized message\n"));
- x_fprintf(x_stderr, "ERR\n");
+ DEBUG(0, ("Oversized message\n"));
+ x_fprintf(x_stdout, "ERR\n");
err = 0;
return;
}
@@ -698,21 +738,52 @@ static void manage_squid_request(enum stdio_helper_mode helper_mode, stdio_helpe
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");
+ DEBUG(0, ("Invalid Request (empty)\n"));
+ x_fprintf(x_stdout, "ERR\n");
return;
}
+
+ if (opt_multiplex) {
+ if (sscanf(buf, "%u ", &mux_id) != 1) {
+ DEBUG(0, ("Invalid Request - no multiplex id\n"));
+ x_fprintf(x_stdout, "ERR\n");
+ return;
+ }
+ if (!mux_private) {
+ mux_private = talloc_p(NULL, struct mux_private);
+ mux_private->max_mux = 0;
+ mux_private->private_pointers = NULL;
+ }
+
+ c=memchr(buf,' ',sizeof(buf)-1);
+ c++;
+ if (mux_id >= mux_private->max_mux) {
+ unsigned int prev_max = mux_private->max_mux;
+ mux_private->max_mux = mux_id + 1;
+ mux_private->private_pointers
+ = talloc_realloc_p(mux_private,
+ mux_private->private_pointers,
+ void *, mux_private->max_mux);
+ memset(&mux_private->private_pointers[prev_max], '\0',
+ (sizeof(*mux_private->private_pointers) * (mux_private->max_mux - prev_max)));
+ };
+
+ private = &mux_private->private_pointers[mux_id];
+ } else {
+ c = buf;
+ private = &normal_private;
+ }
- fn(helper_mode, buf, length, private);
+ fn(helper_mode, c, length, private, mux_id);
}
-static void squid_stream(enum stdio_helper_mode stdio_mode, stdio_helper_function fn) {
- void *private = NULL;
+static void squid_stream(enum stdio_helper_mode stdio_mode,
+ stdio_helper_function fn) {
/* initialize FDescs */
x_setbuf(x_stdout, NULL);
x_setbuf(x_stderr, NULL);
while(1) {
- manage_squid_request(stdio_mode, fn, &private);
+ manage_squid_request(stdio_mode, fn);
}
}
@@ -731,7 +802,8 @@ enum {
OPT_LM_KEY,
OPT_USER_SESSION_KEY,
OPT_DIAGNOSTICS,
- OPT_REQUIRE_MEMBERSHIP
+ OPT_REQUIRE_MEMBERSHIP,
+ OPT_MULTIPLEX,
};
int main(int argc, const char **argv)
@@ -756,6 +828,7 @@ enum {
{ "workstation", 0, POPT_ARG_STRING, &opt_workstation, OPT_WORKSTATION, "workstation"},
{ "username", 0, POPT_ARG_STRING, &opt_username, OPT_PASSWORD, "Username"},
{ "password", 0, POPT_ARG_STRING, &opt_password, OPT_PASSWORD, "User's plaintext password"},
+ { "multiplex", 0, POPT_ARG_NONE, &opt_multiplex, OPT_MULTIPLEX, "Multiplex Mode"},
POPT_COMMON_SAMBA
POPT_TABLEEND
};
generated by cgit (git 2.34.1) at 2024-12-26 04:14:52 +0000