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Chas Honton's patch to dynamic port forwarding: should allow longer

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host names in SOCKS 4A, up to 255 characters (which is apparently
the DNS limit anyway).

[originally from svn r3080]
This commit is contained in:
Simon Tatham 2003-04-09 09:09:57 +00:00
parent 98a608c2e4
commit ab7e6fa1cd
1 changed files with 4 additions and 4 deletions
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8
portfwd.c
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@ -74,7 +74,7 @@ struct PFwdPrivate {
* we can also use them as a buffer and pointer for reading * we can also use them as a buffer and pointer for reading
* data from the SOCKS client. * data from the SOCKS client.
*/ */
char hostname[256]; char hostname[256+8];
int port; int port;
/* /*
* When doing dynamic port forwarding, we can receive * When doing dynamic port forwarding, we can receive
@ -159,15 +159,15 @@ static int pfd_receive(Plug plug, int urgent, char *data, int len)
int len; int len;
if (pr->dynamic == 0x4000) { if (pr->dynamic == 0x4000) {
pr->dynamic = 0x4001; pr->dynamic = 0x4001;
pr->port = 8; /* reset buffer to overwrite name */
continue; continue;
} }
pr->hostname[0] = 0; /* reply version code */ pr->hostname[0] = 0; /* reply version code */
pr->hostname[1] = 90; /* request granted */ pr->hostname[1] = 90; /* request granted */
sk_write(pr->s, pr->hostname, 8); sk_write(pr->s, pr->hostname, 8);
len= pr->port;
pr->port = GET_16BIT_MSB_FIRST(pr->hostname+2); pr->port = GET_16BIT_MSB_FIRST(pr->hostname+2);
len = strlen(pr->hostname+8); memmove(pr->hostname, pr->hostname + 8, len);
memmove(pr->hostname, pr->hostname + 8 + len + 1,
lenof(pr->hostname) - (8 + len + 1));
goto connect; goto connect;
} else { } else {
/* /*