main.c revision 1.2
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, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #ifndef lint 35 char copyright[] = 36 "@(#) Copyright (c) 1983 Regents of the University of California.\n\ 37 All rights reserved.\n"; 38 #endif /* not lint */ 39 40 #ifndef lint 41 /*static char sccsid[] = "from: @(#)main.c 5.6 (Berkeley) 8/27/90";*/ 42 static char rcsid[] = "$Id: main.c,v 1.2 1993/08/01 18:09:42 mycroft Exp $"; 43 #endif /* not lint */ 44 45 #include "defs.h" 46 47 #define NHOSTS 100 48 49 /* 50 * Remote distribution program. 51 */ 52 53 char *distfile = NULL; 54 #define _RDIST_TMP "/rdistXXXXXX" 55 char tempfile[sizeof _PATH_TMP + sizeof _RDIST_TMP + 1]; 56 char *tempname; 57 58 int debug; /* debugging flag */ 59 int nflag; /* NOP flag, just print commands without executing */ 60 int qflag; /* Quiet. Don't print messages */ 61 int options; /* global options */ 62 int iamremote; /* act as remote server for transfering files */ 63 64 FILE *fin = NULL; /* input file pointer */ 65 int rem = -1; /* file descriptor to remote source/sink process */ 66 char host[32]; /* host name */ 67 int nerrs; /* number of errors while sending/receiving */ 68 char user[10]; /* user's name */ 69 char homedir[128]; /* user's home directory */ 70 int userid; /* user's user ID */ 71 int groupid; /* user's group ID */ 72 73 struct passwd *pw; /* pointer to static area used by getpwent */ 74 struct group *gr; /* pointer to static area used by getgrent */ 75 76 main(argc, argv) 77 int argc; 78 char *argv[]; 79 { 80 register char *arg; 81 int cmdargs = 0; 82 char *dhosts[NHOSTS], **hp = dhosts; 83 84 pw = getpwuid(userid = getuid()); 85 if (pw == NULL) { 86 fprintf(stderr, "%s: Who are you?\n", argv[0]); 87 exit(1); 88 } 89 strcpy(user, pw->pw_name); 90 strcpy(homedir, pw->pw_dir); 91 groupid = pw->pw_gid; 92 gethostname(host, sizeof(host)); 93 strcpy(tempfile, _PATH_TMP); 94 strcat(tempfile, _RDIST_TMP); 95 if ((tempname = rindex(tempfile, '/')) != 0) 96 tempname++; 97 else 98 tempname = tempfile; 99 100 while (--argc > 0) { 101 if ((arg = *++argv)[0] != '-') 102 break; 103 if (!strcmp(arg, "-Server")) 104 iamremote++; 105 else while (*++arg) 106 switch (*arg) { 107 case 'f': 108 if (--argc <= 0) 109 usage(); 110 distfile = *++argv; 111 if (distfile[0] == '-' && distfile[1] == '\0') 112 fin = stdin; 113 break; 114 115 case 'm': 116 if (--argc <= 0) 117 usage(); 118 if (hp >= &dhosts[NHOSTS-2]) { 119 fprintf(stderr, "rdist: too many destination hosts\n"); 120 exit(1); 121 } 122 *hp++ = *++argv; 123 break; 124 125 case 'd': 126 if (--argc <= 0) 127 usage(); 128 define(*++argv); 129 break; 130 131 case 'D': 132 debug++; 133 break; 134 135 case 'c': 136 cmdargs++; 137 break; 138 139 case 'n': 140 if (options & VERIFY) { 141 printf("rdist: -n overrides -v\n"); 142 options &= ~VERIFY; 143 } 144 nflag++; 145 break; 146 147 case 'q': 148 qflag++; 149 break; 150 151 case 'b': 152 options |= COMPARE; 153 break; 154 155 case 'R': 156 options |= REMOVE; 157 break; 158 159 case 'v': 160 if (nflag) { 161 printf("rdist: -n overrides -v\n"); 162 break; 163 } 164 options |= VERIFY; 165 break; 166 167 case 'w': 168 options |= WHOLE; 169 break; 170 171 case 'y': 172 options |= YOUNGER; 173 break; 174 175 case 'h': 176 options |= FOLLOW; 177 break; 178 179 case 'i': 180 options |= IGNLNKS; 181 break; 182 183 default: 184 usage(); 185 } 186 } 187 *hp = NULL; 188 189 setreuid(0, userid); 190 mktemp(tempfile); 191 192 if (iamremote) { 193 server(); 194 exit(nerrs != 0); 195 } 196 197 if (cmdargs) 198 docmdargs(argc, argv); 199 else { 200 if (fin == NULL) { 201 if(distfile == NULL) { 202 if((fin = fopen("distfile","r")) == NULL) 203 fin = fopen("Distfile", "r"); 204 } else 205 fin = fopen(distfile, "r"); 206 if(fin == NULL) { 207 perror(distfile ? distfile : "distfile"); 208 exit(1); 209 } 210 } 211 yyparse(); 212 if (nerrs == 0) 213 docmds(dhosts, argc, argv); 214 } 215 216 exit(nerrs != 0); 217 } 218 219 usage() 220 { 221 printf("Usage: rdist [-nqbhirvwyD] [-f distfile] [-d var=value] [-m host] [file ...]\n"); 222 printf("or: rdist [-nqbhirvwyD] -c source [...] machine[:dest]\n"); 223 exit(1); 224 } 225 226 /* 227 * rcp like interface for distributing files. 228 */ 229 docmdargs(nargs, args) 230 int nargs; 231 char *args[]; 232 { 233 register struct namelist *nl, *prev; 234 register char *cp; 235 struct namelist *files, *hosts; 236 struct subcmd *cmds; 237 char *dest; 238 static struct namelist tnl = { NULL, NULL }; 239 int i; 240 241 if (nargs < 2) 242 usage(); 243 244 prev = NULL; 245 for (i = 0; i < nargs - 1; i++) { 246 nl = makenl(args[i]); 247 if (prev == NULL) 248 files = prev = nl; 249 else { 250 prev->n_next = nl; 251 prev = nl; 252 } 253 } 254 255 cp = args[i]; 256 if ((dest = index(cp, ':')) != NULL) 257 *dest++ = '\0'; 258 tnl.n_name = cp; 259 hosts = expand(&tnl, E_ALL); 260 if (nerrs) 261 exit(1); 262 263 if (dest == NULL || *dest == '\0') 264 cmds = NULL; 265 else { 266 cmds = makesubcmd(INSTALL); 267 cmds->sc_options = options; 268 cmds->sc_name = dest; 269 } 270 271 if (debug) { 272 printf("docmdargs()\nfiles = "); 273 prnames(files); 274 printf("hosts = "); 275 prnames(hosts); 276 } 277 insert(NULL, files, hosts, cmds); 278 docmds(NULL, 0, NULL); 279 } 280 281 /* 282 * Print a list of NAME blocks (mostly for debugging). 283 */ 284 prnames(nl) 285 register struct namelist *nl; 286 { 287 printf("( "); 288 while (nl != NULL) { 289 printf("%s ", nl->n_name); 290 nl = nl->n_next; 291 } 292 printf(")\n"); 293 } 294 295 /*VARARGS*/ 296 warn(fmt, a1, a2,a3) 297 char *fmt; 298 { 299 extern int yylineno; 300 301 fprintf(stderr, "rdist: line %d: Warning: ", yylineno); 302 fprintf(stderr, fmt, a1, a2, a3); 303 fputc('\n', stderr); 304 } 305
Indexes created Mon Oct 20 20:10:13 GMT 2025