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We ought to be using the ssh_pkt_* routines for the messages which we

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process at any time in the rdpkt routines, as well as everywhere else.

[originally from svn r4669]
This commit is contained in:
Simon Tatham 2004-10-22 16:47:46 +00:00
parent ecd50ec349
commit 5ff0e6b1d9
1 changed files with 31 additions and 37 deletions
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68
ssh.c
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@ -460,7 +460,7 @@ struct ssh_channel {
struct ssh_agent_channel {
unsigned char *message;
unsigned char msglen[4];
int lensofar, totallen;
unsigned lensofar, totallen;
} a;
struct ssh_x11_channel {
Socket s;
@ -524,6 +524,8 @@ static void ssh_throttle_all(Ssh ssh, int enable, int bufsize);
static void ssh2_set_window(struct ssh_channel *c, unsigned newwin);
static int ssh_sendbuffer(void *handle);
static void ssh_do_close(Ssh ssh);
static unsigned long ssh_pkt_getuint32(Ssh ssh);
static void ssh_pkt_getstring(Ssh ssh, char **p, int *length);
struct rdpkt1_state_tag {
long len, pad, biglen, to_read;
@ -972,15 +974,14 @@ static int ssh1_rdpkt(Ssh ssh, unsigned char **data, int *datalen)
}
if (ssh->pktin.type == SSH1_MSG_DEBUG) {
/* log debug message */
char buf[512];
int stringlen = GET_32BIT(ssh->pktin.body);
strcpy(buf, "Remote debug message: ");
if (stringlen > 480)
stringlen = 480;
memcpy(buf + 8, ssh->pktin.body + 4, stringlen);
buf[8 + stringlen] = '\0';
char *buf, *msg;
int msglen;
ssh_pkt_getstring(ssh, &msg, &msglen);
buf = dupprintf("Remote debug message: %.*s", msglen, msg);
logevent(buf);
sfree(buf);
goto next_packet;
} else if (ssh->pktin.type == SSH1_MSG_IGNORE) {
/* do nothing */
@ -989,17 +990,12 @@ static int ssh1_rdpkt(Ssh ssh, unsigned char **data, int *datalen)
if (ssh->pktin.type == SSH1_MSG_DISCONNECT) {
/* log reason code in disconnect message */
char buf[256];
unsigned msglen = GET_32BIT(ssh->pktin.body);
unsigned nowlen;
strcpy(buf, "Remote sent disconnect: ");
nowlen = strlen(buf);
if (msglen > sizeof(buf) - nowlen - 1)
msglen = sizeof(buf) - nowlen - 1;
memcpy(buf + nowlen, ssh->pktin.body + 4, msglen);
buf[nowlen + msglen] = '\0';
/* logevent(buf); (this is now done within the bombout macro) */
bombout(("Server sent disconnect message:\n\"%s\"", buf+nowlen));
char *msg;
int msglen;
ssh_pkt_getstring(ssh, &msg, &msglen);
bombout(("Server sent disconnect message:\n\"%.*s\"", msglen, msg));
crStop(0);
}
@ -1168,10 +1164,11 @@ static int ssh2_rdpkt(Ssh ssh, unsigned char **data, int *datalen)
case SSH2_MSG_DISCONNECT:
{
/* log reason code in disconnect message */
char *buf;
int nowlen;
int reason = GET_32BIT(ssh->pktin.data + 6);
unsigned msglen = GET_32BIT(ssh->pktin.data + 10);
char *buf, *msg;
int nowlen, reason, msglen;
reason = ssh_pkt_getuint32(ssh);
ssh_pkt_getstring(ssh, &msg, &msglen);
if (reason > 0 && reason < lenof(ssh2_disconnect_reasons)) {
buf = dupprintf("Received disconnect message (%s)",
@ -1183,7 +1180,7 @@ static int ssh2_rdpkt(Ssh ssh, unsigned char **data, int *datalen)
logevent(buf);
sfree(buf);
buf = dupprintf("Disconnection message text: %n%.*s",
&nowlen, msglen, ssh->pktin.data + 14);
&nowlen, msglen, msg);
logevent(buf);
bombout(("Server sent disconnect message\ntype %d (%s):\n\"%s\"",
reason,
@ -1199,19 +1196,16 @@ static int ssh2_rdpkt(Ssh ssh, unsigned char **data, int *datalen)
case SSH2_MSG_DEBUG:
{
/* log the debug message */
char buf[512];
/* int display = ssh->pktin.body[6]; */
int stringlen = GET_32BIT(ssh->pktin.data+7);
int prefix;
strcpy(buf, "Remote debug message: ");
prefix = strlen(buf);
if (stringlen > (int)(sizeof(buf)-prefix-1))
stringlen = sizeof(buf)-prefix-1;
memcpy(buf + prefix, ssh->pktin.data + 11, stringlen);
buf[prefix + stringlen] = '\0';
char *buf, *msg;
int msglen;
ssh_pkt_getstring(ssh, &msg, &msglen);
buf = dupprintf("Remote debug message: %.*s", msglen, msg);
logevent(buf);
sfree(buf);
}
goto next_packet; /* FIXME: print the debug message */
goto next_packet;
/*
* These packets we need do nothing about here.
@ -5254,7 +5248,7 @@ static void do_ssh2_authconn(Ssh ssh, unsigned char *in, int inlen, int ispkt)
ssh2_pkt_addstring_data(ssh, (char *)pub_blob,
pub_blob_len);
ssh2_pkt_send(ssh);
logevent("Offered public key"); /* FIXME */
logevent("Offered public key");
crWaitUntilV(ispkt);
if (ssh->pktin.type != SSH2_MSG_USERAUTH_PK_OK) {