main.c revision 1.8
1 /* $NetBSD: main.c,v 1.8 1997/10/19 14:25:30 mycroft Exp $ */ 2 3 /* 4 * Copyright (c) 1983, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 #include <sys/cdefs.h> 37 #ifndef lint 38 __COPYRIGHT("@(#) Copyright (c) 1983, 1993\n\ 39 The Regents of the University of California. All rights reserved.\n"); 40 #endif /* not lint */ 41 42 #ifndef lint 43 #if 0 44 static char sccsid[] = "@(#)main.c 8.1 (Berkeley) 6/9/93"; 45 #else 46 __RCSID("$NetBSD: main.c,v 1.8 1997/10/19 14:25:30 mycroft Exp $"); 47 #endif 48 #endif /* not lint */ 49 50 #include <sys/types.h> 51 52 #include <errno.h> 53 #include <pwd.h> 54 55 #include "defs.h" 56 57 #define NHOSTS 100 58 59 /* 60 * Remote distribution program. 61 */ 62 63 char *distfile = NULL; 64 #define _RDIST_TMP "/rdistXXXXXX" 65 char tempfile[sizeof _PATH_TMP + sizeof _RDIST_TMP + 1]; 66 char *tempname; 67 68 int debug; /* debugging flag */ 69 int nflag; /* NOP flag, just print commands without executing */ 70 int qflag; /* Quiet. Don't print messages */ 71 int options; /* global options */ 72 int iamremote; /* act as remote server for transfering files */ 73 74 FILE *fin = NULL; /* input file pointer */ 75 int rem = -1; /* file descriptor to remote source/sink process */ 76 char host[32]; /* host name */ 77 int nerrs; /* number of errors while sending/receiving */ 78 char user[10]; /* user's name */ 79 char homedir[128]; /* user's home directory */ 80 uid_t userid; /* user's user ID */ 81 gid_t groupid; /* user's group ID */ 82 83 struct passwd *pw; /* pointer to static area used by getpwent */ 84 struct group *gr; /* pointer to static area used by getgrent */ 85 86 int main __P((int, char **)); 87 static void usage __P((void)); 88 static void docmdargs __P((int, char *[])); 89 90 int 91 main(argc, argv) 92 int argc; 93 char *argv[]; 94 { 95 char *arg; 96 int cmdargs = 0; 97 char *dhosts[NHOSTS], **hp = dhosts; 98 99 pw = getpwuid(userid = getuid()); 100 if (pw == NULL) { 101 fprintf(stderr, "%s: Who are you?\n", argv[0]); 102 exit(1); 103 } 104 strcpy(user, pw->pw_name); 105 strcpy(homedir, pw->pw_dir); 106 groupid = pw->pw_gid; 107 gethostname(host, sizeof(host)); 108 strcpy(tempfile, _PATH_TMP); 109 strcat(tempfile, _RDIST_TMP); 110 if ((tempname = strrchr(tempfile, '/')) != 0) 111 tempname++; 112 else 113 tempname = tempfile; 114 115 while (--argc > 0) { 116 if ((arg = *++argv)[0] != '-') 117 break; 118 if (!strcmp(arg, "-Server")) 119 iamremote++; 120 else while (*++arg) 121 switch (*arg) { 122 case 'f': 123 if (--argc <= 0) 124 usage(); 125 distfile = *++argv; 126 if (distfile[0] == '-' && distfile[1] == '\0') 127 fin = stdin; 128 break; 129 130 case 'm': 131 if (--argc <= 0) 132 usage(); 133 if (hp >= &dhosts[NHOSTS-2]) { 134 fprintf(stderr, "rdist: too many destination hosts\n"); 135 exit(1); 136 } 137 *hp++ = *++argv; 138 break; 139 140 case 'd': 141 if (--argc <= 0) 142 usage(); 143 define(*++argv); 144 break; 145 146 case 'D': 147 debug++; 148 break; 149 150 case 'c': 151 cmdargs++; 152 break; 153 154 case 'n': 155 if (options & VERIFY) { 156 printf("rdist: -n overrides -v\n"); 157 options &= ~VERIFY; 158 } 159 nflag++; 160 break; 161 162 case 'q': 163 qflag++; 164 break; 165 166 case 'b': 167 options |= COMPARE; 168 break; 169 170 case 'R': 171 options |= REMOVE; 172 break; 173 174 case 'v': 175 if (nflag) { 176 printf("rdist: -n overrides -v\n"); 177 break; 178 } 179 options |= VERIFY; 180 break; 181 182 case 'w': 183 options |= WHOLE; 184 break; 185 186 case 'y': 187 options |= YOUNGER; 188 break; 189 190 case 'h': 191 options |= FOLLOW; 192 break; 193 194 case 'i': 195 options |= IGNLNKS; 196 break; 197 198 default: 199 usage(); 200 } 201 } 202 *hp = NULL; 203 204 seteuid(userid); 205 mktemp(tempfile); 206 207 if (iamremote) { 208 server(); 209 exit(nerrs != 0); 210 } 211 212 if (cmdargs) 213 docmdargs(argc, argv); 214 else { 215 if (fin == NULL) { 216 if(distfile == NULL) { 217 if((fin = fopen("distfile","r")) == NULL) 218 fin = fopen("Distfile", "r"); 219 } else 220 fin = fopen(distfile, "r"); 221 if(fin == NULL) { 222 perror(distfile ? distfile : "distfile"); 223 exit(1); 224 } 225 } 226 yyparse(); 227 if (nerrs == 0) 228 docmds(dhosts, argc, argv); 229 } 230 231 exit(nerrs != 0); 232 } 233 234 static void 235 usage() 236 { 237 printf("Usage: rdist [-nqbhirvwyD] [-f distfile] [-d var=value] [-m host] [file ...]\n"); 238 printf("or: rdist [-nqbhirvwyD] -c source [...] machine[:dest]\n"); 239 exit(1); 240 } 241 242 /* 243 * rcp like interface for distributing files. 244 */ 245 static void 246 docmdargs(nargs, args) 247 int nargs; 248 char *args[]; 249 { 250 struct namelist *nl, *prev; 251 char *cp; 252 struct namelist *files, *hosts; 253 struct subcmd *cmds; 254 char *dest; 255 static struct namelist tnl = { NULL, NULL }; 256 int i; 257 258 if (nargs < 2) 259 usage(); 260 261 files = NULL; 262 prev = NULL; 263 for (i = 0; i < nargs - 1; i++) { 264 nl = makenl(args[i]); 265 if (prev == NULL) 266 files = prev = nl; 267 else { 268 prev->n_next = nl; 269 prev = nl; 270 } 271 } 272 273 cp = args[i]; 274 if ((dest = strchr(cp, ':')) != NULL) 275 *dest++ = '\0'; 276 tnl.n_name = cp; 277 hosts = expand(&tnl, E_ALL); 278 if (nerrs) 279 exit(1); 280 281 if (dest == NULL || *dest == '\0') 282 cmds = NULL; 283 else { 284 cmds = makesubcmd(INSTALL); 285 cmds->sc_options = options; 286 cmds->sc_name = dest; 287 } 288 289 if (debug) { 290 printf("docmdargs()\nfiles = "); 291 prnames(files); 292 printf("hosts = "); 293 prnames(hosts); 294 } 295 insert(NULL, files, hosts, cmds); 296 docmds(NULL, 0, NULL); 297 } 298 299 /* 300 * Print a list of NAME blocks (mostly for debugging). 301 */ 302 void 303 prnames(nl) 304 struct namelist *nl; 305 { 306 printf("( "); 307 while (nl != NULL) { 308 printf("%s ", nl->n_name); 309 nl = nl->n_next; 310 } 311 printf(")\n"); 312 } 313
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