1 /* 2 * Copyright (c) 1983 Regents of the University of California. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms are permitted 6 * provided that the above copyright notice and this paragraph are 7 * duplicated in all such forms and that any documentation, 8 * advertising materials, and other materials related to such 9 * distribution and use acknowledge that the software was developed 10 * by the University of California, Berkeley. The name of the 11 * University may not be used to endorse or promote products derived 12 * from this software without specific prior written permission. 13 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR 14 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED 15 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. 16 */ 17 18 #ifndef lint 19 char copyright[] = 20 "@(#) Copyright (c) 1983 Regents of the University of California.\n\ 21 All rights reserved.\n"; 22 #endif /* not lint */ 23 24 #ifndef lint 25 static char sccsid[] = "@(#)main.c 5.3 (Berkeley) 06/29/88"; 26 #endif /* not lint */ 27 28 #include "defs.h" 29 30 #define NHOSTS 100 31 32 /* 33 * Remote distribution program. 34 */ 35 36 char *distfile = NULL; 37 char tmpfile[] = "/tmp/rdistXXXXXX"; 38 char *tmpname = &tmpfile[5]; 39 40 int debug; /* debugging flag */ 41 int nflag; /* NOP flag, just print commands without executing */ 42 int qflag; /* Quiet. Don't print messages */ 43 int options; /* global options */ 44 int iamremote; /* act as remote server for transfering files */ 45 46 FILE *fin = NULL; /* input file pointer */ 47 int rem = -1; /* file descriptor to remote source/sink process */ 48 char host[32]; /* host name */ 49 int nerrs; /* number of errors while sending/receiving */ 50 char user[10]; /* user's name */ 51 char homedir[128]; /* user's home directory */ 52 int userid; /* user's user ID */ 53 int groupid; /* user's group ID */ 54 55 struct passwd *pw; /* pointer to static area used by getpwent */ 56 struct group *gr; /* pointer to static area used by getgrent */ 57 58 main(argc, argv) 59 int argc; 60 char *argv[]; 61 { 62 register char *arg; 63 int cmdargs = 0; 64 char *dhosts[NHOSTS], **hp = dhosts; 65 66 pw = getpwuid(userid = getuid()); 67 if (pw == NULL) { 68 fprintf(stderr, "%s: Who are you?\n", argv[0]); 69 exit(1); 70 } 71 strcpy(user, pw->pw_name); 72 strcpy(homedir, pw->pw_dir); 73 groupid = pw->pw_gid; 74 gethostname(host, sizeof(host)); 75 76 while (--argc > 0) { 77 if ((arg = *++argv)[0] != '-') 78 break; 79 if (!strcmp(arg, "-Server")) 80 iamremote++; 81 else while (*++arg) 82 switch (*arg) { 83 case 'f': 84 if (--argc <= 0) 85 usage(); 86 distfile = *++argv; 87 if (distfile[0] == '-' && distfile[1] == '\0') 88 fin = stdin; 89 break; 90 91 case 'm': 92 if (--argc <= 0) 93 usage(); 94 if (hp >= &dhosts[NHOSTS-2]) { 95 fprintf(stderr, "rdist: too many destination hosts\n"); 96 exit(1); 97 } 98 *hp++ = *++argv; 99 break; 100 101 case 'd': 102 if (--argc <= 0) 103 usage(); 104 define(*++argv); 105 break; 106 107 case 'D': 108 debug++; 109 break; 110 111 case 'c': 112 cmdargs++; 113 break; 114 115 case 'n': 116 if (options & VERIFY) { 117 printf("rdist: -n overrides -v\n"); 118 options &= ~VERIFY; 119 } 120 nflag++; 121 break; 122 123 case 'q': 124 qflag++; 125 break; 126 127 case 'b': 128 options |= COMPARE; 129 break; 130 131 case 'R': 132 options |= REMOVE; 133 break; 134 135 case 'v': 136 if (nflag) { 137 printf("rdist: -n overrides -v\n"); 138 break; 139 } 140 options |= VERIFY; 141 break; 142 143 case 'w': 144 options |= WHOLE; 145 break; 146 147 case 'y': 148 options |= YOUNGER; 149 break; 150 151 case 'h': 152 options |= FOLLOW; 153 break; 154 155 case 'i': 156 options |= IGNLNKS; 157 break; 158 159 default: 160 usage(); 161 } 162 } 163 *hp = NULL; 164 165 setreuid(0, userid); 166 mktemp(tmpfile); 167 168 if (iamremote) { 169 server(); 170 exit(nerrs != 0); 171 } 172 173 if (cmdargs) 174 docmdargs(argc, argv); 175 else { 176 if (fin == NULL) { 177 if(distfile == NULL) { 178 if((fin = fopen("distfile","r")) == NULL) 179 fin = fopen("Distfile", "r"); 180 } else 181 fin = fopen(distfile, "r"); 182 if(fin == NULL) { 183 perror(distfile ? distfile : "distfile"); 184 exit(1); 185 } 186 } 187 yyparse(); 188 if (nerrs == 0) 189 docmds(dhosts, argc, argv); 190 } 191 192 exit(nerrs != 0); 193 } 194 195 usage() 196 { 197 printf("Usage: rdist [-nqbhirvwyD] [-f distfile] [-d var=value] [-m host] [file ...]\n"); 198 printf("or: rdist [-nqbhirvwyD] -c source [...] machine[:dest]\n"); 199 exit(1); 200 } 201 202 /* 203 * rcp like interface for distributing files. 204 */ 205 docmdargs(nargs, args) 206 int nargs; 207 char *args[]; 208 { 209 register struct namelist *nl, *prev; 210 register char *cp; 211 struct namelist *files, *hosts; 212 struct subcmd *cmds; 213 char *dest; 214 static struct namelist tnl = { NULL, NULL }; 215 int i; 216 217 if (nargs < 2) 218 usage(); 219 220 prev = NULL; 221 for (i = 0; i < nargs - 1; i++) { 222 nl = makenl(args[i]); 223 if (prev == NULL) 224 files = prev = nl; 225 else { 226 prev->n_next = nl; 227 prev = nl; 228 } 229 } 230 231 cp = args[i]; 232 if ((dest = index(cp, ':')) != NULL) 233 *dest++ = '\0'; 234 tnl.n_name = cp; 235 hosts = expand(&tnl, E_ALL); 236 if (nerrs) 237 exit(1); 238 239 if (dest == NULL || *dest == '\0') 240 cmds = NULL; 241 else { 242 cmds = makesubcmd(INSTALL); 243 cmds->sc_options = options; 244 cmds->sc_name = dest; 245 } 246 247 if (debug) { 248 printf("docmdargs()\nfiles = "); 249 prnames(files); 250 printf("hosts = "); 251 prnames(hosts); 252 } 253 insert(NULL, files, hosts, cmds); 254 docmds(NULL, 0, NULL); 255 } 256 257 /* 258 * Print a list of NAME blocks (mostly for debugging). 259 */ 260 prnames(nl) 261 register struct namelist *nl; 262 { 263 printf("( "); 264 while (nl != NULL) { 265 printf("%s ", nl->n_name); 266 nl = nl->n_next; 267 } 268 printf(")\n"); 269 } 270 271 /*VARARGS*/ 272 warn(fmt, a1, a2,a3) 273 char *fmt; 274 { 275 extern int yylineno; 276 277 fprintf(stderr, "rdist: line %d: Warning: ", yylineno); 278 fprintf(stderr, fmt, a1, a2, a3); 279 fputc('\n', stderr); 280 } 281