libssh/common/packet.c

103 /* Buffer for raw input data from the socket. */
104 Buffer input;
199 		buffer_init(&input);
205 		buffer_clear(&input);
314 	buffer_free(&input);
1046 	/* Check if input size is less than minimum packet size. */
1047 	if (buffer_len(&input) < 4 + 8)
1050 	cp = buffer_ptr(&input);
1057 	if (buffer_len(&input) < 4 + padded_len)
1063 	buffer_consume(&input, 4);
1071 		switch (detect_attack(buffer_ptr(&input), padded_len, NULL)) {
1086 	cipher_crypt(&receive_context, cp, buffer_ptr(&input), padded_len);
1088 	buffer_consume(&input, padded_len);
1110 		packet_disconnect("Corrupted check bytes on input.");
1145 		 * check if input size is less than the cipher block size,
1148 		if (buffer_len(&input) < block_size)
1152 		    buffer_len(&input));
1153 		buffer_dump(&input);
1157 		cipher_crypt(&receive_context, cp, buffer_ptr(&input),
1164 		DBG(debug("input: packet len %u", packet_length + 4));
1165 		buffer_consume(&input, block_size);
1177 	if (buffer_len(&input) < need + maclen)
1180 	debug("in read_poll, the encrypted input queue now contains "
1181 	    "(%d bytes):\n", buffer_len(&input));
1182 	buffer_dump(&input);
1185 	cipher_crypt(&receive_context, cp, buffer_ptr(&input), need);
1186 	buffer_consume(&input, need);
1195 		if (memcmp(macbuf, buffer_ptr(&input), mac->mac_len) != 0)
1196 			packet_disconnect("Corrupted MAC on input.");
1198 		buffer_consume(&input, mac->mac_len);
1214 	DBG(debug("input: padlen %d", padlen));
1216 		packet_disconnect("Corrupted padlen %d on input.", padlen);
1222 	DBG(debug("input: len before de-compress %d", buffer_len(&incoming_packet)));
1229 		DBG(debug("input: len after de-compress %d",
1250 	debug("decrypted input packet [type %d]:\n", type);
1336  * Buffers the given amount of input characters.  This is intended to be used
1343 	buffer_append(&input, buf, len);