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-rw-r--r--source3/rpc_parse/parse_prs.c182
-rw-r--r--source3/rpc_server/srv_pipe.c189
2 files changed, 184 insertions, 187 deletions
diff --git a/source3/rpc_parse/parse_prs.c b/source3/rpc_parse/parse_prs.c
index aeaa42ac92..a22ae1bacd 100644
--- a/source3/rpc_parse/parse_prs.c
+++ b/source3/rpc_parse/parse_prs.c
@@ -1330,3 +1330,185 @@ BOOL prs_hash1(prs_struct *ps, uint32 offset, uint8 sess_key[16])
return True;
}
+
+static void netsechash(uchar * key, uchar * data, int data_len)
+{
+ uchar hash[256];
+ uchar index_i = 0;
+ uchar index_j = 0;
+ uchar j = 0;
+ int ind;
+
+ for (ind = 0; ind < 256; ind++)
+ {
+ hash[ind] = (uchar) ind;
+ }
+
+ for (ind = 0; ind < 256; ind++)
+ {
+ uchar tc;
+
+ j += (hash[ind] + key[ind % 16]);
+
+ tc = hash[ind];
+ hash[ind] = hash[j];
+ hash[j] = tc;
+ }
+
+ for (ind = 0; ind < data_len; ind++)
+ {
+ uchar tc;
+ uchar t;
+
+ index_i++;
+ index_j += hash[index_i];
+
+ tc = hash[index_i];
+ hash[index_i] = hash[index_j];
+ hash[index_j] = tc;
+
+ t = hash[index_i] + hash[index_j];
+ data[ind] ^= hash[t];
+ }
+}
+
+void dump_data_pw(const char *msg, const uchar * data, size_t len)
+{
+#ifdef DEBUG_PASSWORD
+ DEBUG(11, ("%s", msg));
+ if (data != NULL && len > 0)
+ {
+ dump_data(11, data, len);
+ }
+#endif
+}
+
+void netsec_encode(struct netsec_auth_struct *a,
+ RPC_AUTH_NETSEC_CHK * verf, char *data, size_t data_len)
+{
+ uchar dataN[4];
+ uchar digest1[16];
+ struct MD5Context ctx3;
+ uchar sess_kf0[16];
+ int i;
+
+ /* store the sequence number */
+ SIVAL(dataN, 0, a->seq_num);
+
+ for (i = 0; i < sizeof(sess_kf0); i++)
+ {
+ sess_kf0[i] = a->sess_key[i] ^ 0xf0;
+ }
+
+ dump_data_pw("a->sess_key:\n", a->sess_key, sizeof(a->sess_key));
+ dump_data_pw("a->seq_num :\n", dataN, sizeof(dataN));
+
+ MD5Init(&ctx3);
+ MD5Update(&ctx3, dataN, 0x4);
+ MD5Update(&ctx3, verf->sig, 8);
+
+ MD5Update(&ctx3, verf->data8, 8);
+
+ dump_data_pw("verf->data8:\n", verf->data8, sizeof(verf->data8));
+ dump_data_pw("sess_kf0:\n", sess_kf0, sizeof(sess_kf0));
+
+ hmac_md5(sess_kf0, dataN, 0x4, digest1);
+ dump_data_pw("digest1 (ebp-8):\n", digest1, sizeof(digest1));
+ hmac_md5(digest1, verf->data3, 8, digest1);
+ dump_data_pw("netsechashkey:\n", digest1, sizeof(digest1));
+ netsechash(digest1, verf->data8, 8);
+
+ dump_data_pw("verf->data8:\n", verf->data8, sizeof(verf->data8));
+
+ dump_data_pw("data :\n", data, data_len);
+ MD5Update(&ctx3, data, data_len);
+
+ {
+ char digest_tmp[16];
+ char digest2[16];
+ MD5Final(digest_tmp, &ctx3);
+ hmac_md5(a->sess_key, digest_tmp, 16, digest2);
+ dump_data_pw("digest_tmp:\n", digest_tmp, sizeof(digest_tmp));
+ dump_data_pw("digest:\n", digest2, sizeof(digest2));
+ memcpy(verf->data1, digest2, sizeof(verf->data1));
+ }
+
+ netsechash(digest1, data, data_len);
+ dump_data_pw("data:\n", data, data_len);
+
+ hmac_md5(a->sess_key, dataN, 0x4, digest1);
+ dump_data_pw("ctx:\n", digest1, sizeof(digest1));
+
+ hmac_md5(digest1, verf->data1, 8, digest1);
+
+ dump_data_pw("netsechashkey:\n", digest1, sizeof(digest1));
+
+ dump_data_pw("verf->data3:\n", verf->data3, sizeof(verf->data3));
+ netsechash(digest1, verf->data3, 8);
+ dump_data_pw("verf->data3:\n", verf->data3, sizeof(verf->data3));
+
+ return;
+}
+
+BOOL netsec_decode(struct netsec_auth_struct *a,
+ RPC_AUTH_NETSEC_CHK * verf, char *data, size_t data_len)
+{
+ uchar dataN[4];
+ uchar digest1[16];
+ struct MD5Context ctx3;
+ uchar sess_kf0[16];
+ int i;
+
+ /* store the sequence number */
+ SIVAL(dataN, 0, a->seq_num);
+
+ for (i = 0; i < sizeof(sess_kf0); i++)
+ {
+ sess_kf0[i] = a->sess_key[i] ^ 0xf0;
+ }
+
+ dump_data_pw("a->sess_key:\n", a->sess_key, sizeof(a->sess_key));
+ dump_data_pw("a->seq_num :\n", dataN, sizeof(dataN));
+ hmac_md5(a->sess_key, dataN, 0x4, digest1);
+ dump_data_pw("ctx:\n", digest1, sizeof(digest1));
+
+ hmac_md5(digest1, verf->data1, 8, digest1);
+
+ dump_data_pw("netsechashkey:\n", digest1, sizeof(digest1));
+ dump_data_pw("verf->data3:\n", verf->data3, sizeof(verf->data3));
+ netsechash(digest1, verf->data3, 8);
+ dump_data_pw("verf->data3_dec:\n", verf->data3, sizeof(verf->data3));
+
+ MD5Init(&ctx3);
+ MD5Update(&ctx3, dataN, 0x4);
+ MD5Update(&ctx3, verf->sig, 8);
+
+ dump_data_pw("sess_kf0:\n", sess_kf0, sizeof(sess_kf0));
+
+ hmac_md5(sess_kf0, dataN, 0x4, digest1);
+ dump_data_pw("digest1 (ebp-8):\n", digest1, sizeof(digest1));
+ hmac_md5(digest1, verf->data3, 8, digest1);
+ dump_data_pw("netsechashkey:\n", digest1, sizeof(digest1));
+
+ dump_data_pw("verf->data8:\n", verf->data8, sizeof(verf->data8));
+ netsechash(digest1, verf->data8, 8);
+ dump_data_pw("verf->data8_dec:\n", verf->data8, sizeof(verf->data8));
+ MD5Update(&ctx3, verf->data8, 8);
+
+ dump_data_pw("data :\n", data, data_len);
+ netsechash(digest1, data, data_len);
+ dump_data_pw("datadec:\n", data, data_len);
+
+ MD5Update(&ctx3, data, data_len);
+ {
+ uchar digest_tmp[16];
+ MD5Final(digest_tmp, &ctx3);
+ hmac_md5(a->sess_key, digest_tmp, 16, digest1);
+ dump_data_pw("digest_tmp:\n", digest_tmp, sizeof(digest_tmp));
+ }
+
+ dump_data_pw("digest:\n", digest1, sizeof(digest1));
+ dump_data_pw("verf->data1:\n", verf->data1, sizeof(verf->data1));
+
+ return memcmp(digest1, verf->data1, sizeof(verf->data1)) == 0;
+}
diff --git a/source3/rpc_server/srv_pipe.c b/source3/rpc_server/srv_pipe.c
index 9425ccbe4d..43fbb4edaa 100644
--- a/source3/rpc_server/srv_pipe.c
+++ b/source3/rpc_server/srv_pipe.c
@@ -284,13 +284,10 @@ BOOL create_next_pdu(pipes_struct *p)
init_rpc_auth_netsec_chk(&verf, netsec_sig, nullbytes, sign, nullbytes);
- if (!netsec_encode(&p->netsec_auth, &verf, data, data_len)) {
- DEBUG(0,("create_next_pdu: failed encode data.\n"));
- prs_mem_free(&outgoing_pdu);
- return False;
- }
+ netsec_encode(&p->netsec_auth, &verf, data, data_len);
smb_io_rpc_auth_netsec_chk("", &verf, &outgoing_pdu, 0);
+
p->netsec_auth.seq_num++;
}
@@ -1269,188 +1266,6 @@ BOOL api_pipe_auth_process(pipes_struct *p, prs_struct *rpc_in)
return True;
}
-static void netsechash(uchar * key, uchar * data, int data_len)
-{
- uchar hash[256];
- uchar index_i = 0;
- uchar index_j = 0;
- uchar j = 0;
- int ind;
-
- for (ind = 0; ind < 256; ind++)
- {
- hash[ind] = (uchar) ind;
- }
-
- for (ind = 0; ind < 256; ind++)
- {
- uchar tc;
-
- j += (hash[ind] + key[ind % 16]);
-
- tc = hash[ind];
- hash[ind] = hash[j];
- hash[j] = tc;
- }
-
- for (ind = 0; ind < data_len; ind++)
- {
- uchar tc;
- uchar t;
-
- index_i++;
- index_j += hash[index_i];
-
- tc = hash[index_i];
- hash[index_i] = hash[index_j];
- hash[index_j] = tc;
-
- t = hash[index_i] + hash[index_j];
- data[ind] ^= hash[t];
- }
-}
-
-void dump_data_pw(const char *msg, const uchar * data, size_t len)
-{
-#ifdef DEBUG_PASSWORD
- DEBUG(11, ("%s", msg));
- if (data != NULL && len > 0)
- {
- dump_data(11, data, len);
- }
-#endif
-}
-
-BOOL netsec_encode(struct netsec_auth_struct *a,
- RPC_AUTH_NETSEC_CHK * verf, char *data, size_t data_len)
-{
- uchar dataN[4];
- uchar digest1[16];
- struct MD5Context ctx3;
- uchar sess_kf0[16];
- int i;
-
- /* store the sequence number */
- SIVAL(dataN, 0, a->seq_num);
-
- for (i = 0; i < sizeof(sess_kf0); i++)
- {
- sess_kf0[i] = a->sess_key[i] ^ 0xf0;
- }
-
- dump_data_pw("a->sess_key:\n", a->sess_key, sizeof(a->sess_key));
- dump_data_pw("a->seq_num :\n", dataN, sizeof(dataN));
-
- MD5Init(&ctx3);
- MD5Update(&ctx3, dataN, 0x4);
- MD5Update(&ctx3, verf->sig, 8);
-
- MD5Update(&ctx3, verf->data8, 8);
-
- dump_data_pw("verf->data8:\n", verf->data8, sizeof(verf->data8));
- dump_data_pw("sess_kf0:\n", sess_kf0, sizeof(sess_kf0));
-
- hmac_md5(sess_kf0, dataN, 0x4, digest1);
- dump_data_pw("digest1 (ebp-8):\n", digest1, sizeof(digest1));
- hmac_md5(digest1, verf->data3, 8, digest1);
- dump_data_pw("netsechashkey:\n", digest1, sizeof(digest1));
- netsechash(digest1, verf->data8, 8);
-
- dump_data_pw("verf->data8:\n", verf->data8, sizeof(verf->data8));
-
- dump_data_pw("data :\n", data, data_len);
- MD5Update(&ctx3, data, data_len);
-
- {
- char digest_tmp[16];
- char digest2[16];
- MD5Final(digest_tmp, &ctx3);
- hmac_md5(a->sess_key, digest_tmp, 16, digest2);
- dump_data_pw("digest_tmp:\n", digest_tmp, sizeof(digest_tmp));
- dump_data_pw("digest:\n", digest2, sizeof(digest2));
- memcpy(verf->data1, digest2, sizeof(verf->data1));
- }
-
- netsechash(digest1, data, data_len);
- dump_data_pw("data:\n", data, data_len);
-
- hmac_md5(a->sess_key, dataN, 0x4, digest1);
- dump_data_pw("ctx:\n", digest1, sizeof(digest1));
-
- hmac_md5(digest1, verf->data1, 8, digest1);
-
- dump_data_pw("netsechashkey:\n", digest1, sizeof(digest1));
-
- dump_data_pw("verf->data3:\n", verf->data3, sizeof(verf->data3));
- netsechash(digest1, verf->data3, 8);
- dump_data_pw("verf->data3:\n", verf->data3, sizeof(verf->data3));
-
- return True;
-}
-
-BOOL netsec_decode(struct netsec_auth_struct *a,
- RPC_AUTH_NETSEC_CHK * verf, char *data, size_t data_len)
-{
- uchar dataN[4];
- uchar digest1[16];
- struct MD5Context ctx3;
- uchar sess_kf0[16];
- int i;
-
- /* store the sequence number */
- SIVAL(dataN, 0, a->seq_num);
-
- for (i = 0; i < sizeof(sess_kf0); i++)
- {
- sess_kf0[i] = a->sess_key[i] ^ 0xf0;
- }
-
- dump_data_pw("a->sess_key:\n", a->sess_key, sizeof(a->sess_key));
- dump_data_pw("a->seq_num :\n", dataN, sizeof(dataN));
- hmac_md5(a->sess_key, dataN, 0x4, digest1);
- dump_data_pw("ctx:\n", digest1, sizeof(digest1));
-
- hmac_md5(digest1, verf->data1, 8, digest1);
-
- dump_data_pw("netsechashkey:\n", digest1, sizeof(digest1));
- dump_data_pw("verf->data3:\n", verf->data3, sizeof(verf->data3));
- netsechash(digest1, verf->data3, 8);
- dump_data_pw("verf->data3_dec:\n", verf->data3, sizeof(verf->data3));
-
- MD5Init(&ctx3);
- MD5Update(&ctx3, dataN, 0x4);
- MD5Update(&ctx3, verf->sig, 8);
-
- dump_data_pw("sess_kf0:\n", sess_kf0, sizeof(sess_kf0));
-
- hmac_md5(sess_kf0, dataN, 0x4, digest1);
- dump_data_pw("digest1 (ebp-8):\n", digest1, sizeof(digest1));
- hmac_md5(digest1, verf->data3, 8, digest1);
- dump_data_pw("netsechashkey:\n", digest1, sizeof(digest1));
-
- dump_data_pw("verf->data8:\n", verf->data8, sizeof(verf->data8));
- netsechash(digest1, verf->data8, 8);
- dump_data_pw("verf->data8_dec:\n", verf->data8, sizeof(verf->data8));
- MD5Update(&ctx3, verf->data8, 8);
-
- dump_data_pw("data :\n", data, data_len);
- netsechash(digest1, data, data_len);
- dump_data_pw("datadec:\n", data, data_len);
-
- MD5Update(&ctx3, data, data_len);
- {
- uchar digest_tmp[16];
- MD5Final(digest_tmp, &ctx3);
- hmac_md5(a->sess_key, digest_tmp, 16, digest1);
- dump_data_pw("digest_tmp:\n", digest_tmp, sizeof(digest_tmp));
- }
-
- dump_data_pw("digest:\n", digest1, sizeof(digest1));
- dump_data_pw("verf->data1:\n", verf->data1, sizeof(verf->data1));
-
- return memcmp(digest1, verf->data1, sizeof(verf->data1)) == 0;
-}
-
/****************************************************************************
Deal with schannel processing on an RPC request.
****************************************************************************/
generated by cgit (git 2.34.1) at 2024-12-15 22:12:13 +0000