diff options
Diffstat (limited to 'packet.c')
| -rw-r--r-- | packet.c | 38 |
1 files changed, 17 insertions, 21 deletions
@@ -37,7 +37,7 @@ */ #include "includes.h" -RCSID("$OpenBSD: packet.c,v 1.88 2002/02/14 23:41:01 markus Exp $"); +RCSID("$OpenBSD: packet.c,v 1.89 2002/02/24 16:58:32 markus Exp $"); #include "xmalloc.h" #include "buffer.h" @@ -365,7 +365,7 @@ packet_put_bignum2(BIGNUM * value) static void packet_send1(void) { - char buf[8], *cp; + u_char buf[8], *cp; int i, padding, len; u_int checksum; u_int32_t rand = 0; @@ -496,9 +496,8 @@ static void packet_send2(void) { static u_int32_t seqnr = 0; - u_char type, *ucp, *macbuf = NULL; + u_char type, *cp, *macbuf = NULL; u_char padlen, pad; - char *cp; u_int packet_length = 0; u_int i, len; u_int32_t rand = 0; @@ -514,8 +513,8 @@ packet_send2(void) } block_size = enc ? enc->block_size : 8; - ucp = buffer_ptr(&outgoing_packet); - type = ucp[5]; + cp = buffer_ptr(&outgoing_packet); + type = cp[5]; #ifdef PACKET_DEBUG fprintf(stderr, "plain: "); @@ -570,9 +569,9 @@ packet_send2(void) } /* packet_length includes payload, padding and padding length field */ packet_length = buffer_len(&outgoing_packet) - 4; - ucp = buffer_ptr(&outgoing_packet); - PUT_32BIT(ucp, packet_length); - ucp[4] = padlen; + cp = buffer_ptr(&outgoing_packet); + PUT_32BIT(cp, packet_length); + cp[4] = padlen; DBG(debug("send: len %d (includes padlen %d)", packet_length+4, padlen)); /* compute MAC over seqnr and packet(length fields, payload, padding) */ @@ -709,16 +708,15 @@ static int packet_read_poll1(void) { u_int len, padded_len; - u_char *ucp, type; - char *cp; + u_char *cp, type; u_int checksum, stored_checksum; /* Check if input size is less than minimum packet size. */ if (buffer_len(&input) < 4 + 8) return SSH_MSG_NONE; /* Get length of incoming packet. */ - ucp = buffer_ptr(&input); - len = GET_32BIT(ucp); + cp = buffer_ptr(&input); + len = GET_32BIT(cp); if (len < 1 + 2 + 2 || len > 256 * 1024) packet_disconnect("Bad packet length %d.", len); padded_len = (len + 8) & ~7; @@ -765,8 +763,8 @@ packet_read_poll1(void) packet_disconnect("packet_read_poll1: len %d != buffer_len %d.", len, buffer_len(&incoming_packet)); - ucp = (u_char *)buffer_ptr(&incoming_packet) + len - 4; - stored_checksum = GET_32BIT(ucp); + cp = (u_char *)buffer_ptr(&incoming_packet) + len - 4; + stored_checksum = GET_32BIT(cp); if (checksum != stored_checksum) packet_disconnect("Corrupted check bytes on input."); buffer_consume_end(&incoming_packet, 4); @@ -788,8 +786,7 @@ packet_read_poll2(u_int32_t *seqnr_p) static u_int32_t seqnr = 0; static u_int packet_length = 0; u_int padlen, need; - u_char *macbuf, *ucp, type; - char *cp; + u_char *macbuf, *cp, type; int maclen, block_size; Enc *enc = NULL; Mac *mac = NULL; @@ -814,8 +811,8 @@ packet_read_poll2(u_int32_t *seqnr_p) cp = buffer_append_space(&incoming_packet, block_size); cipher_crypt(&receive_context, cp, buffer_ptr(&input), block_size); - ucp = buffer_ptr(&incoming_packet); - packet_length = GET_32BIT(ucp); + cp = buffer_ptr(&incoming_packet); + packet_length = GET_32BIT(cp); if (packet_length < 1 + 4 || packet_length > 256 * 1024) { buffer_dump(&incoming_packet); packet_disconnect("Bad packet length %d.", packet_length); @@ -863,8 +860,7 @@ packet_read_poll2(u_int32_t *seqnr_p) /* get padlen */ cp = buffer_ptr(&incoming_packet); - cp += 4; - padlen = (u_char) *cp; + padlen = cp[4]; DBG(debug("input: padlen %d", padlen)); if (padlen < 4) packet_disconnect("Corrupted padlen %d on input.", padlen); |