1 /* 2 * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 3 * Use is subject to license terms. 4 */ 5 /* 6 * Copyright (c) 1983 Regents of the University of California. 7 * All rights reserved. The Berkeley software License Agreement 8 * specifies the terms and conditions for redistribution. 9 */ 10 11 #ident "%Z%%M% %I% %E% SMI" /* from UCB 5.3 4/30/86 */ 12 13 #include "tip.h" 14 15 /* 16 * Attributes to be gleened from remote host description 17 * data base. 18 */ 19 static char **caps[] = { 20 &AT, &DV, &CM, &CU, &EL, &IE, &OE, &PN, &PR, &DI, 21 &ES, &EX, &FO, &RC, &RE, &PA 22 }; 23 24 static char *capstrings[] = { 25 "at", "dv", "cm", "cu", "el", "ie", "oe", "pn", "pr", 26 "di", "es", "ex", "fo", "rc", "re", "pa", 0 27 }; 28 29 char *rgetstr(); 30 31 static 32 getremcap(host) 33 register char *host; 34 { 35 int stat; 36 char tbuf[BUFSIZ]; 37 static char buf[BUFSIZ/2]; 38 char *bp = buf; 39 register char **p, ***q; 40 41 if ((stat = rgetent(tbuf, host, sizeof (tbuf))) <= 0) { 42 if (DV || 43 host[0] == '/' && access(DV = host, R_OK | W_OK) == 0) { 44 /* 45 * If the user specifies a device on the commandline, 46 * don't trust it. 47 */ 48 if (host[0] == '/') 49 trusted_device = 0; 50 CU = DV; 51 HO = host; 52 HW = 1; 53 DU = 0; 54 if (!BR) 55 BR = DEFBR; 56 FS = DEFFS; 57 RE = (char *)"tip.record"; 58 EX = (char *)"\t\n\b\f"; 59 DL = 0; 60 CL = 0; 61 ET = 10; 62 return; 63 } 64 fprintf(stderr, stat == 0 ? 65 "tip: unknown host %s\n" : 66 "tip: can't open host description file\n", host); 67 exit(3); 68 } 69 70 for (p = capstrings, q = caps; *p != NULL; p++, q++) 71 if (**q == NULL) 72 **q = rgetstr(*p, &bp); 73 if (!BR && (BR = rgetnum("br")) < 0) 74 BR = DEFBR; 75 if ((FS = rgetnum("fs")) < 0) 76 FS = DEFFS; 77 if (DU < 0) 78 DU = 0; 79 else 80 DU = rgetflag("du"); 81 if (DV == NOSTR) { 82 fprintf(stderr, "%s: missing device spec\n", host); 83 exit(3); 84 } 85 if (DU && CU == NOSTR) 86 CU = DV; 87 if (DU && PN == NOSTR) { 88 fprintf(stderr, "%s: missing phone number\n", host); 89 exit(3); 90 } 91 DB = rgetflag("db"); 92 93 /* 94 * This effectively eliminates the "hw" attribute 95 * from the description file 96 */ 97 if (!HW) 98 HW = (CU == NOSTR) || (DU && equal(DV, CU)); 99 HO = host; 100 /* 101 * see if uppercase mode should be turned on initially 102 */ 103 if (rgetflag("ra")) 104 boolean(value(RAISE)) = 1; 105 if (rgetflag("ec")) 106 boolean(value(ECHOCHECK)) = 1; 107 if (rgetflag("be")) 108 boolean(value(BEAUTIFY)) = 1; 109 if (rgetflag("nb")) 110 boolean(value(BEAUTIFY)) = 0; 111 if (rgetflag("sc")) 112 boolean(value(SCRIPT)) = 1; 113 if (rgetflag("tb")) 114 boolean(value(TABEXPAND)) = 1; 115 if (rgetflag("vb")) 116 boolean(value(VERBOSE)) = 1; 117 if (rgetflag("nv")) 118 boolean(value(VERBOSE)) = 0; 119 if (rgetflag("ta")) 120 boolean(value(TAND)) = 1; 121 if (rgetflag("nt")) 122 boolean(value(TAND)) = 0; 123 if (rgetflag("rw")) 124 boolean(value(RAWFTP)) = 1; 125 if (rgetflag("hd")) 126 boolean(value(HALFDUPLEX)) = 1; 127 if (rgetflag("hf")) 128 boolean(value(HARDWAREFLOW)) = 1; 129 if (RE == NULL) 130 RE = (char *)"tip.record"; 131 if (EX == NULL) 132 EX = (char *)"\t\n\b\f"; 133 if (ES != NOSTR) 134 vstring("es", ES); 135 if (FO != NOSTR) 136 vstring("fo", FO); 137 if (PR != NOSTR) 138 vstring("pr", PR); 139 if (RC != NOSTR) 140 vstring("rc", RC); 141 if ((DL = rgetnum("dl")) < 0) 142 DL = 0; 143 if ((CL = rgetnum("cl")) < 0) 144 CL = 0; 145 if ((ET = rgetnum("et")) < 0) 146 ET = 10; 147 } 148 149 char * 150 getremote(host) 151 char *host; 152 { 153 register char *cp; 154 static char *next; 155 static int lookedup = 0; 156 157 if (!lookedup) { 158 if (host == NOSTR && (host = getenv("HOST")) == NOSTR) { 159 fprintf(stderr, "tip: no host specified\n"); 160 exit(3); 161 } 162 getremcap(host); 163 next = DV; 164 lookedup++; 165 } 166 /* 167 * We return a new device each time we're called (to allow 168 * a rotary action to be simulated) 169 */ 170 if (next == NOSTR) 171 return (NOSTR); 172 if ((cp = strchr(next, ',')) == NULL) { 173 DV = next; 174 next = NOSTR; 175 } else { 176 *cp++ = '\0'; 177 DV = next; 178 next = cp; 179 } 180 return (DV); 181 } 182