Fix encryption, client connects!!
authorSteinar H. Gunderson <sesse@samfundet.no>
Sun, 6 Feb 2005 02:12:18 +0000 (02:12 +0000)
committerSteinar H. Gunderson <sesse@samfundet.no>
Sun, 6 Feb 2005 02:12:18 +0000 (02:12 +0000)
channels.c
secure.c

index ba3248c..b14f82a 100644 (file)
@@ -68,7 +68,7 @@ channel_init(VCHANNEL * channel, uint32 length)
 {
        STREAM s;
 
-       s = sec_init(/*g_encryption ? SEC_ENCRYPT :*/ 0, length + 8);
+       s = sec_init(g_encryption ? SEC_ENCRYPT : 0, length + 8);
        s_push_layer(s, channel_hdr, 8);
        return s;
 }
@@ -100,7 +100,7 @@ channel_send(STREAM s, VCHANNEL * channel)
        out_uint32_le(s, flags);
        data = s->end = s->p + thislength;
        DEBUG_CLIPBOARD(("Sending %d bytes with FLAG_FIRST\n", thislength));
-       sec_send_to_channel(s, /*g_encryption ? SEC_ENCRYPT :*/ 0, channel->mcs_id);
+       sec_send_to_channel(s, g_encryption ? SEC_ENCRYPT : 0, channel->mcs_id);
 
        /* subsequent segments copied (otherwise would have to generate headers backwards) */
        while (remaining > 0)
@@ -113,12 +113,12 @@ channel_send(STREAM s, VCHANNEL * channel)
 
                DEBUG_CLIPBOARD(("Sending %d bytes with flags %d\n", thislength, flags));
 
-               s = sec_init(/*g_encryption ? SEC_ENCRYPT : */0, thislength + 8);
+               s = sec_init(g_encryption ? SEC_ENCRYPT : 0, thislength + 8);
                out_uint32_le(s, length);
                out_uint32_le(s, flags);
                out_uint8p(s, data, thislength);
                s_mark_end(s);
-               sec_send_to_channel(s, /*g_encryption ? SEC_ENCRYPT : */0, channel->mcs_id);
+               sec_send_to_channel(s, g_encryption ? SEC_ENCRYPT : 0, channel->mcs_id);
 
                data += thislength;
        }
index 1282a7f..62e59a5 100644 (file)
--- a/secure.c
+++ b/secure.c
@@ -169,6 +169,8 @@ sec_generate_keys(uint8 * client_key, uint8 * server_key, int rc4_key_size)
                        printf("0x%02x ", sec_encrypt_key[i]);
                printf("\n");
        }
+
+       g_encryption = 1;
 }
 
 static uint8 pad_54[40] = {
@@ -264,6 +266,8 @@ sec_encrypt(uint8 * data, int length)
                use_count = 0;
        }
 
+       printf("RC4-ing %u bytes with DECRYPT, uc=%u\n", length, use_count);
+
        RC4(&rc4_decrypt_key, length, data, data);
        use_count++;
 }
@@ -346,6 +350,7 @@ sec_init(uint32 flags, int maxlen)
                hdrlen = (flags & SEC_ENCRYPT) ? 12 : 4;
        else
                hdrlen = (flags & SEC_ENCRYPT) ? 12 : 0; 
+       printf("HDRLEN is %u\n", hdrlen);
        s = mcs_init(maxlen + hdrlen);
        s_push_layer(s, sec_hdr, hdrlen);
 
@@ -860,18 +865,22 @@ sec_recv(void)
                                if (tag == LICENCE_TAG_PRESENT) {
                                        process_presented_license(s);
 
-                                       s = sec_init(sizeof(result_license), SEC_LICENCE_NEG);
-                                       out_uint8p(s, result_license, sizeof(result_license));
-                                       s_mark_end(s);
-                                       sec_send(s, SEC_LICENCE_NEG);
-                                       
-                                       //g_licence_issued = 1;
+                                       {
+                                               STREAM s;
+                                               s = sec_init(SEC_LICENCE_NEG, sizeof(result_license));
+                                               out_uint8p(s, result_license, sizeof(result_license));
+                                               s_mark_end(s);
+                                               sec_send(s, SEC_LICENCE_NEG);
+                                       }
                                        
-                                       printf("Sending DEMAND_ACTIVE (0x%x bytes)\n", sizeof(demand_active));
-                                       s = sec_init(sizeof(demand_active), SEC_ENCRYPT);
-                                       out_uint8p(s, demand_active, sizeof(demand_active));
-                                       s_mark_end(s);
-                                       sec_send(s, SEC_ENCRYPT);
+                                       {
+                                               STREAM s;
+                                               printf("Sending DEMAND_ACTIVE (0x%x bytes)\n", sizeof(demand_active));
+                                               s = sec_init(SEC_ENCRYPT, sizeof(demand_active));
+                                               out_uint8p(s, demand_active, sizeof(demand_active));
+                                               s_mark_end(s);
+                                               sec_send(s, SEC_ENCRYPT);
+                                       }
                                }
                                
                                continue;
@@ -886,7 +895,7 @@ sec_recv(void)
                                {
                                        STREAM s;
 
-                                       s = sec_init(sizeof(demand_license), SEC_LICENCE_NEG);
+                                       s = sec_init(SEC_LICENCE_NEG, sizeof(demand_license));
                                        out_uint8p(s, demand_license, sizeof(demand_license));
                                        s_mark_end(s);
                                        sec_send(s, SEC_LICENCE_NEG);