1 /* 2 * Copyright (c) 1983 Regents of the University of California. 3 * All rights reserved. 4 * 5 * %sccs.include.redist.c% 6 */ 7 8 #ifndef lint 9 char copyright[] = 10 "@(#) Copyright (c) 1983 Regents of the University of California.\n\ 11 All rights reserved.\n"; 12 #endif /* not lint */ 13 14 #ifndef lint 15 static char sccsid[] = "@(#)main.c 5.8 (Berkeley) 07/09/92"; 16 #endif /* not lint */ 17 18 #include "defs.h" 19 20 #define NHOSTS 100 21 22 /* 23 * Remote distribution program. 24 */ 25 26 char *distfile = NULL; 27 #define _RDIST_TMP "/rdistXXXXXX" 28 char tempfile[sizeof _PATH_TMP + sizeof _RDIST_TMP + 1]; 29 char *tempname; 30 31 int debug; /* debugging flag */ 32 int nflag; /* NOP flag, just print commands without executing */ 33 int qflag; /* Quiet. Don't print messages */ 34 int options; /* global options */ 35 int iamremote; /* act as remote server for transfering files */ 36 37 FILE *fin = NULL; /* input file pointer */ 38 int rem = -1; /* file descriptor to remote source/sink process */ 39 char host[32]; /* host name */ 40 int nerrs; /* number of errors while sending/receiving */ 41 char user[10]; /* user's name */ 42 char homedir[128]; /* user's home directory */ 43 int userid; /* user's user ID */ 44 int groupid; /* user's group ID */ 45 46 struct passwd *pw; /* pointer to static area used by getpwent */ 47 struct group *gr; /* pointer to static area used by getgrent */ 48 49 static void usage __P((void)); 50 static void docmdargs __P((int, char *[])); 51 52 int 53 main(argc, argv) 54 int argc; 55 char *argv[]; 56 { 57 register char *arg; 58 int cmdargs = 0; 59 char *dhosts[NHOSTS], **hp = dhosts; 60 61 pw = getpwuid(userid = getuid()); 62 if (pw == NULL) { 63 fprintf(stderr, "%s: Who are you?\n", argv[0]); 64 exit(1); 65 } 66 strcpy(user, pw->pw_name); 67 strcpy(homedir, pw->pw_dir); 68 groupid = pw->pw_gid; 69 gethostname(host, sizeof(host)); 70 strcpy(tempfile, _PATH_TMP); 71 strcat(tempfile, _RDIST_TMP); 72 if ((tempname = rindex(tempfile, '/')) != 0) 73 tempname++; 74 else 75 tempname = tempfile; 76 77 while (--argc > 0) { 78 if ((arg = *++argv)[0] != '-') 79 break; 80 if (!strcmp(arg, "-Server")) 81 iamremote++; 82 else while (*++arg) 83 switch (*arg) { 84 case 'f': 85 if (--argc <= 0) 86 usage(); 87 distfile = *++argv; 88 if (distfile[0] == '-' && distfile[1] == '\0') 89 fin = stdin; 90 break; 91 92 case 'm': 93 if (--argc <= 0) 94 usage(); 95 if (hp >= &dhosts[NHOSTS-2]) { 96 fprintf(stderr, "rdist: too many destination hosts\n"); 97 exit(1); 98 } 99 *hp++ = *++argv; 100 break; 101 102 case 'd': 103 if (--argc <= 0) 104 usage(); 105 define(*++argv); 106 break; 107 108 case 'D': 109 debug++; 110 break; 111 112 case 'c': 113 cmdargs++; 114 break; 115 116 case 'n': 117 if (options & VERIFY) { 118 printf("rdist: -n overrides -v\n"); 119 options &= ~VERIFY; 120 } 121 nflag++; 122 break; 123 124 case 'q': 125 qflag++; 126 break; 127 128 case 'b': 129 options |= COMPARE; 130 break; 131 132 case 'R': 133 options |= REMOVE; 134 break; 135 136 case 'v': 137 if (nflag) { 138 printf("rdist: -n overrides -v\n"); 139 break; 140 } 141 options |= VERIFY; 142 break; 143 144 case 'w': 145 options |= WHOLE; 146 break; 147 148 case 'y': 149 options |= YOUNGER; 150 break; 151 152 case 'h': 153 options |= FOLLOW; 154 break; 155 156 case 'i': 157 options |= IGNLNKS; 158 break; 159 160 default: 161 usage(); 162 } 163 } 164 *hp = NULL; 165 166 seteuid(userid); 167 mktemp(tempfile); 168 169 if (iamremote) { 170 server(); 171 exit(nerrs != 0); 172 } 173 174 if (cmdargs) 175 docmdargs(argc, argv); 176 else { 177 if (fin == NULL) { 178 if(distfile == NULL) { 179 if((fin = fopen("distfile","r")) == NULL) 180 fin = fopen("Distfile", "r"); 181 } else 182 fin = fopen(distfile, "r"); 183 if(fin == NULL) { 184 perror(distfile ? distfile : "distfile"); 185 exit(1); 186 } 187 } 188 yyparse(); 189 if (nerrs == 0) 190 docmds(dhosts, argc, argv); 191 } 192 193 exit(nerrs != 0); 194 } 195 196 static void 197 usage() 198 { 199 printf("Usage: rdist [-nqbhirvwyD] [-f distfile] [-d var=value] [-m host] [file ...]\n"); 200 printf("or: rdist [-nqbhirvwyD] -c source [...] machine[:dest]\n"); 201 exit(1); 202 } 203 204 /* 205 * rcp like interface for distributing files. 206 */ 207 static void 208 docmdargs(nargs, args) 209 int nargs; 210 char *args[]; 211 { 212 register struct namelist *nl, *prev; 213 register char *cp; 214 struct namelist *files, *hosts; 215 struct subcmd *cmds; 216 char *dest; 217 static struct namelist tnl = { NULL, NULL }; 218 int i; 219 220 if (nargs < 2) 221 usage(); 222 223 prev = NULL; 224 for (i = 0; i < nargs - 1; i++) { 225 nl = makenl(args[i]); 226 if (prev == NULL) 227 files = prev = nl; 228 else { 229 prev->n_next = nl; 230 prev = nl; 231 } 232 } 233 234 cp = args[i]; 235 if ((dest = index(cp, ':')) != NULL) 236 *dest++ = '\0'; 237 tnl.n_name = cp; 238 hosts = expand(&tnl, E_ALL); 239 if (nerrs) 240 exit(1); 241 242 if (dest == NULL || *dest == '\0') 243 cmds = NULL; 244 else { 245 cmds = makesubcmd(INSTALL); 246 cmds->sc_options = options; 247 cmds->sc_name = dest; 248 } 249 250 if (debug) { 251 printf("docmdargs()\nfiles = "); 252 prnames(files); 253 printf("hosts = "); 254 prnames(hosts); 255 } 256 insert(NULL, files, hosts, cmds); 257 docmds(NULL, 0, NULL); 258 } 259 260 /* 261 * Print a list of NAME blocks (mostly for debugging). 262 */ 263 void 264 prnames(nl) 265 register struct namelist *nl; 266 { 267 printf("( "); 268 while (nl != NULL) { 269 printf("%s ", nl->n_name); 270 nl = nl->n_next; 271 } 272 printf(")\n"); 273 } 274 275 #if __STDC__ 276 #include <stdarg.h> 277 #else 278 #include <varargs.h> 279 #endif 280 281 void 282 #if __STDC__ 283 warn(const char *fmt, ...) 284 #else 285 warn(fmt, va_alist) 286 char *fmt; 287 va_dcl 288 #endif 289 { 290 extern int yylineno; 291 va_list ap; 292 #if __STDC__ 293 va_start(ap, fmt); 294 #else 295 va_start(ap); 296 #endif 297 (void)fprintf(stderr, "rdist: line %d: Warning: ", yylineno); 298 (void)vfprintf(stderr, fmt, ap); 299 (void)fprintf(stderr, "\n"); 300 va_end(ap); 301 } 302