77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
|
void *c; /* data used by ssh.c */
Socket s;
};
void *x11_invent_auth(char *proto, int protomaxlen,
char *data, int datamaxlen, int proto_id)
{
struct X11Auth *auth = smalloc(sizeof(struct X11Auth));
char ourdata[64];
int i;
if (proto_id == X11_MIT) {
auth->fakeproto = X11_MIT;
/* MIT-MAGIC-COOKIE-1. Cookie size is 128 bits (16 bytes). */
|
|
|
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
|
void *c; /* data used by ssh.c */
Socket s;
};
void *x11_invent_auth(char *proto, int protomaxlen,
char *data, int datamaxlen, int proto_id)
{
struct X11Auth *auth = snew(struct X11Auth);
char ourdata[64];
int i;
if (proto_id == X11_MIT) {
auth->fakeproto = X11_MIT;
/* MIT-MAGIC-COOKIE-1. Cookie size is 128 bits (16 bytes). */
|
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
|
addr = name_lookup(host, port, &dummy_realhost, cfg);
if ((err = sk_addr_error(addr)) != NULL)
return err;
/*
* Open socket.
*/
pr = (struct X11Private *) smalloc(sizeof(struct X11Private));
pr->fn = &fn_table;
pr->auth_protocol = NULL;
pr->auth = (struct X11Auth *)auth;
pr->verified = 0;
pr->data_read = 0;
pr->throttled = pr->throttle_override = 0;
pr->c = c;
|
|
|
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
|
addr = name_lookup(host, port, &dummy_realhost, cfg);
if ((err = sk_addr_error(addr)) != NULL)
return err;
/*
* Open socket.
*/
pr = snew(struct X11Private);
pr->fn = &fn_table;
pr->auth_protocol = NULL;
pr->auth = (struct X11Auth *)auth;
pr->verified = 0;
pr->data_read = 0;
pr->throttled = pr->throttle_override = 0;
pr->c = c;
|
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
|
*/
if (!pr->auth_protocol) {
pr->auth_plen = GET_16BIT(pr->firstpkt[0], pr->firstpkt + 6);
pr->auth_dlen = GET_16BIT(pr->firstpkt[0], pr->firstpkt + 8);
pr->auth_psize = (pr->auth_plen + 3) & ~3;
pr->auth_dsize = (pr->auth_dlen + 3) & ~3;
/* Leave room for a terminating zero, to make our lives easier. */
pr->auth_protocol = (char *) smalloc(pr->auth_psize + 1);
pr->auth_data = (unsigned char *) smalloc(pr->auth_dsize);
}
/*
* Read the auth_protocol and auth_data strings.
*/
while (len > 0 && pr->data_read < 12 + pr->auth_psize)
pr->auth_protocol[pr->data_read++ - 12] = (len--, *data++);
|
|
|
|
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
|
*/
if (!pr->auth_protocol) {
pr->auth_plen = GET_16BIT(pr->firstpkt[0], pr->firstpkt + 6);
pr->auth_dlen = GET_16BIT(pr->firstpkt[0], pr->firstpkt + 8);
pr->auth_psize = (pr->auth_plen + 3) & ~3;
pr->auth_dsize = (pr->auth_dlen + 3) & ~3;
/* Leave room for a terminating zero, to make our lives easier. */
pr->auth_protocol = snewn(pr->auth_psize + 1, char);
pr->auth_data = snewn(pr->auth_dsize, char);
}
/*
* Read the auth_protocol and auth_data strings.
*/
while (len > 0 && pr->data_read < 12 + pr->auth_psize)
pr->auth_protocol[pr->data_read++ - 12] = (len--, *data++);
|
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
|
if (err) {
char *message;
int msglen, msgsize;
unsigned char *reply;
message = dupprintf("PuTTY X11 proxy: %s", err);
msglen = strlen(message);
reply = smalloc(8 + msglen+1 + 4); /* include zero byte */
msgsize = (msglen + 3) & ~3;
reply[0] = 0; /* failure */
reply[1] = msglen; /* length of reason string */
memcpy(reply + 2, pr->firstpkt + 2, 4); /* major/minor proto vsn */
PUT_16BIT(pr->firstpkt[0], reply + 6, msgsize >> 2);/* data len */
memset(reply + 8, 0, msgsize);
memcpy(reply + 8, message, msglen);
|
|
|
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
|
if (err) {
char *message;
int msglen, msgsize;
unsigned char *reply;
message = dupprintf("PuTTY X11 proxy: %s", err);
msglen = strlen(message);
reply = snewn(8 + msglen+1 + 4, unsigned char); /* include zero */
msgsize = (msglen + 3) & ~3;
reply[0] = 0; /* failure */
reply[1] = msglen; /* length of reason string */
memcpy(reply + 2, pr->firstpkt + 2, 4); /* major/minor proto vsn */
PUT_16BIT(pr->firstpkt[0], reply + 6, msgsize >> 2);/* data len */
memset(reply + 8, 0, msgsize);
memcpy(reply + 8, message, msglen);
|