Mercurial > hg > xemacs-beta

comparison lib-src/gnuserv.c @ 371:cc15677e0335 r21-2b1

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Import from CVS: tag r21-2b1
author cvs
date Mon, 13 Aug 2007 11:03:08 +0200
parents 1d62742628b6
children 8626e4521993
comparison
equal deleted inserted replaced
370:bd866891f083 371:cc15677e0335
27 * 27 *
28 * (If gnuserv came bundled with your emacs, the README file is probably 28 * (If gnuserv came bundled with your emacs, the README file is probably
29 * ../etc/gnuserv.README relative to the directory containing this file) 29 * ../etc/gnuserv.README relative to the directory containing this file)
30 */ 30 */
31 31
32 #if 0
33 static char rcsid [] = "!Header: gnuserv.c,v 2.1 95/02/16 11:58:27 arup alpha !";
34 #endif
35
32 #include "gnuserv.h" 36 #include "gnuserv.h"
33
34 char gnuserv_version[] = "gnuserv version" GNUSERV_VERSION;
35
36 37
37 #ifdef USE_LITOUT 38 #ifdef USE_LITOUT
38 #ifdef linux 39 #ifdef linux
39 #include <bsd/sgtty.h> 40 #include <bsd/sgtty.h>
40 #else 41 #else
456 struct entry *entry; 457 struct entry *entry;
457 458
458 char auth_protocol[128]; 459 char auth_protocol[128];
459 char buf[1024]; 460 char buf[1024];
460 int auth_data_len; 461 int auth_data_len;
461 int auth_data_pos;
462 int auth_mismatches;
463 462
464 if (fd > 0) 463 if (fd > 0)
465 { 464 {
466 /* we are checking permission on a real connection */ 465 /* we are checking permission on a real connection */
467 466
490 if (timed_read(fd, buf, 10, AUTH_TIMEOUT, 1) <= 0) 489 if (timed_read(fd, buf, 10, AUTH_TIMEOUT, 1) <= 0)
491 return FALSE; 490 return FALSE;
492 491
493 auth_data_len = atoi(buf); 492 auth_data_len = atoi(buf);
494 493
495 if (auth_data_len <= 0 || auth_data_len > sizeof(buf))
496 {
497 return FALSE;
498 }
499
500 if (timed_read(fd, buf, auth_data_len, AUTH_TIMEOUT, 0) != auth_data_len) 494 if (timed_read(fd, buf, auth_data_len, AUTH_TIMEOUT, 0) != auth_data_len)
501 return FALSE; 495 return FALSE;
502 496
503 #ifdef AUTH_MAGIC_COOKIE 497 #ifdef AUTH_MAGIC_COOKIE
504 if (server_xauth && server_xauth->data) 498 if (server_xauth && server_xauth->data &&
505 { 499 !memcmp(buf, server_xauth->data, auth_data_len))
506 /* Do a compare without comprising info about 500 {
507 the size of the cookie */ 501 return TRUE;
508 auth_mismatches = 502 }
509 ( auth_data_len ^
510 server_xauth->data_length );
511
512 for(auth_data_pos=0; auth_data_pos < auth_data_len; ++auth_data_pos)
513 auth_mismatches |=
514 ( buf[auth_data_pos] ^
515 server_xauth->data[auth_data_pos % server_xauth->data_length]);
516
517 if (auth_mismatches == 0)
518 return TRUE;
519
520 for(;rand() % 1000;);
521 }
522
523 #else 503 #else
524 printf ("client tried Xauth, but server is not compiled with Xauth\n"); 504 printf ("client tried Xauth, but server is not compiled with Xauth\n");
525 #endif 505 #endif
526 506
527 /* 507 /*
850 } /* handle_unix_request */ 830 } /* handle_unix_request */
851 #endif /* UNIX_DOMAIN_SOCKETS */ 831 #endif /* UNIX_DOMAIN_SOCKETS */
852 832
853 833
854 int 834 int
855 main (int argc, char *argv[]) 835 main(argc,argv)
836 int argc;
837 char *argv[];
856 { 838 {
857 int chan; /* temporary channel number */ 839 int chan; /* temporary channel number */
858 #ifdef SYSV_IPC 840 #ifdef SYSV_IPC
859 struct msgbuf *msgp; /* message buffer */ 841 struct msgbuf *msgp; /* message buffer */
860 #else 842 #else