1 /*- 2 * Copyright (c) 1985, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * %sccs.include.proprietary.c% 6 */ 7 8 #ifndef lint 9 static char sccsid[] = "@(#)unet.c 8.1 (Berkeley) 06/06/93"; 10 #endif /* not lint */ 11 12 #include "condevs.h" 13 #ifdef UNETTCP 14 15 /* 16 * unetopn -- make UNET (tcp-ip) connection 17 * 18 * return codes: 19 * >0 - file number - ok 20 * FAIL - failed 21 */ 22 23 /* Default port of uucico server */ 24 #define DFLTPORT 33 25 26 unetopn(flds) 27 register char *flds[]; 28 { 29 register int ret, port; 30 int unetcls(); 31 32 port = atoi(flds[F_PHONE]); 33 if (port <= 0 || port > 255) 34 port = DFLTPORT; 35 DEBUG(4, "unetopn host %s, ", flds[F_NAME]); 36 DEBUG(4, "port %d\n", port); 37 if (setjmp(Sjbuf)) { 38 logent("tcpopen", "TIMEOUT"); 39 endhnent(); /* see below */ 40 return CF_DIAL; 41 } 42 signal(SIGALRM, alarmtr); 43 alarm(30); 44 ret = tcpopen(flds[F_NAME], port, 0, TO_ACTIVE, "rw"); 45 alarm(0); 46 endhnent(); /* wave magic wand at 3com and incant "eat it, bruce" */ 47 if (ret < 0) { 48 DEBUG(5, "tcpopen failed: errno %d\n", errno); 49 logent("tcpopen", _FAILED); 50 return CF_DIAL; 51 } 52 CU_end = unetcls; 53 return ret; 54 } 55 56 /* 57 * unetcls -- close UNET connection. 58 */ 59 unetcls(fd) 60 register int fd; 61 { 62 DEBUG(4, "UNET CLOSE called\n", 0); 63 if (fd > 0) { 64 #ifdef notdef 65 /* disable this until a timeout is put in */ 66 if (ioctl(fd, UIOCCLOSE, STBNULL)) 67 logent("UNET CLOSE", _FAILED); 68 #endif notdef 69 close(fd); 70 DEBUG(4, "closed fd %d\n", fd); 71 } 72 } 73 #endif UNETTCP 74