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1.12 ! millert 1: /* $OpenBSD: main.c,v 1.11 2002/02/16 21:27:50 millert Exp $ */
1.2 deraadt 2:
1.1 dm 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: #ifndef lint
37: static char copyright[] =
38: "@(#) 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: /* from: static char sccsid[] = "@(#)main.c 8.1 (Berkeley) 6/9/93"; */
1.12 ! millert 44: static char *rcsid = "$OpenBSD: main.c,v 1.11 2002/02/16 21:27:50 millert Exp $";
1.1 dm 45: #endif /* not lint */
46:
1.12 ! millert 47: #include <stdarg.h>
1.1 dm 48: #include "defs.h"
49:
50: #define NHOSTS 100
51:
52: /*
53: * Remote distribution program.
54: */
55:
56: char *distfile = NULL;
1.7 deraadt 57: #define _RDIST_TMP "rdistXXXXXXXXXX"
1.1 dm 58: char tempfile[sizeof _PATH_TMP + sizeof _RDIST_TMP + 1];
59: char *tempname;
60:
61: int debug; /* debugging flag */
62: int nflag; /* NOP flag, just print commands without executing */
63: int qflag; /* Quiet. Don't print messages */
64: int options; /* global options */
65: int iamremote; /* act as remote server for transfering files */
66:
67: FILE *fin = NULL; /* input file pointer */
68: int rem = -1; /* file descriptor to remote source/sink process */
69: char host[32]; /* host name */
70: int nerrs; /* number of errors while sending/receiving */
71: char user[10]; /* user's name */
72: char homedir[128]; /* user's home directory */
73: int userid; /* user's user ID */
74: int groupid; /* user's group ID */
75:
76: struct passwd *pw; /* pointer to static area used by getpwent */
77: struct group *gr; /* pointer to static area used by getgrent */
78:
1.11 millert 79: static void usage(void);
80: static void docmdargs(int, char *[]);
1.1 dm 81:
82: int
83: main(argc, argv)
84: int argc;
85: char *argv[];
86: {
1.10 mpech 87: char *arg;
1.9 pvalchev 88: int cmdargs = 0;
1.1 dm 89: char *dhosts[NHOSTS], **hp = dhosts;
90:
91: pw = getpwuid(userid = getuid());
92: if (pw == NULL) {
93: fprintf(stderr, "%s: Who are you?\n", argv[0]);
94: exit(1);
95: }
96: strcpy(user, pw->pw_name);
97: strcpy(homedir, pw->pw_dir);
98: groupid = pw->pw_gid;
99: gethostname(host, sizeof(host));
100: strcpy(tempfile, _PATH_TMP);
101: strcat(tempfile, _RDIST_TMP);
1.3 millert 102: tempname = xbasename(tempfile);
1.1 dm 103:
104: while (--argc > 0) {
105: if ((arg = *++argv)[0] != '-')
106: break;
107: if (!strcmp(arg, "-Server"))
108: iamremote++;
109: else while (*++arg)
110: switch (*arg) {
111: case 'f':
112: if (--argc <= 0)
113: usage();
114: distfile = *++argv;
115: if (distfile[0] == '-' && distfile[1] == '\0')
116: fin = stdin;
117: break;
118:
119: case 'm':
120: if (--argc <= 0)
121: usage();
122: if (hp >= &dhosts[NHOSTS-2]) {
123: fprintf(stderr, "rdist: too many destination hosts\n");
124: exit(1);
125: }
126: *hp++ = *++argv;
127: break;
128:
129: case 'd':
130: if (--argc <= 0)
131: usage();
132: define(*++argv);
133: break;
134:
135: case 'D':
136: debug++;
137: break;
138:
139: case 'c':
140: cmdargs++;
141: break;
142:
143: case 'n':
144: if (options & VERIFY) {
145: printf("rdist: -n overrides -v\n");
146: options &= ~VERIFY;
147: }
148: nflag++;
149: break;
150:
151: case 'q':
152: qflag++;
153: break;
154:
155: case 'b':
156: options |= COMPARE;
157: break;
158:
159: case 'R':
160: options |= REMOVE;
161: break;
162:
163: case 'v':
164: if (nflag) {
165: printf("rdist: -n overrides -v\n");
166: break;
167: }
168: options |= VERIFY;
169: break;
170:
171: case 'w':
172: options |= WHOLE;
173: break;
174:
175: case 'y':
176: options |= YOUNGER;
177: break;
178:
179: case 'h':
180: options |= FOLLOW;
181: break;
182:
183: case 'i':
184: options |= IGNLNKS;
185: break;
186:
187: default:
188: usage();
189: }
190: }
191: *hp = NULL;
192:
1.3 millert 193: #if defined(DIRECT_RCMD)
1.1 dm 194: seteuid(userid);
1.3 millert 195: #else /* DIRECT_RCMD */
196: if (!iamremote && getuid() != geteuid()) {
197: error("This version of rdist should not be installed setuid.\n");
198: exit(1);
199: }
200: #endif /* DIRECT_RCMD */
1.5 millert 201:
202: if (mktemp(tempfile) == NULL)
203: fatal("cannot get temp file\n");
1.1 dm 204:
205: if (iamremote) {
206: server();
207: exit(nerrs != 0);
208: }
209:
210: if (cmdargs)
211: docmdargs(argc, argv);
212: else {
213: if (fin == NULL) {
214: if(distfile == NULL) {
215: if((fin = fopen("distfile","r")) == NULL)
216: fin = fopen("Distfile", "r");
217: } else
218: fin = fopen(distfile, "r");
1.3 millert 219: if (fin == NULL) {
1.1 dm 220: perror(distfile ? distfile : "distfile");
221: exit(1);
222: }
223: }
224: yyparse();
225: if (nerrs == 0)
226: docmds(dhosts, argc, argv);
227: }
228:
229: exit(nerrs != 0);
230: }
231:
232: static void
233: usage()
234: {
235: printf("Usage: rdist [-nqbhirvwyD] [-f distfile] [-d var=value] [-m host] [file ...]\n");
236: printf("or: rdist [-nqbhirvwyD] -c source [...] machine[:dest]\n");
237: exit(1);
238: }
239:
240: /*
241: * rcp like interface for distributing files.
242: */
243: static void
244: docmdargs(nargs, args)
245: int nargs;
246: char *args[];
247: {
1.10 mpech 248: struct namelist *nl, *prev;
249: char *cp;
1.1 dm 250: struct namelist *files, *hosts;
251: struct subcmd *cmds;
252: char *dest;
253: static struct namelist tnl = { NULL, NULL };
254: int i;
255:
256: if (nargs < 2)
257: usage();
258:
259: prev = NULL;
260: for (i = 0; i < nargs - 1; i++) {
261: nl = makenl(args[i]);
262: if (prev == NULL)
263: files = prev = nl;
264: else {
265: prev->n_next = nl;
266: prev = nl;
267: }
268: }
269:
270: cp = args[i];
1.3 millert 271: if ((dest = strchr(cp, ':')) != NULL)
1.1 dm 272: *dest++ = '\0';
273: tnl.n_name = cp;
274: hosts = expand(&tnl, E_ALL);
275: if (nerrs)
276: exit(1);
277:
278: if (dest == NULL || *dest == '\0')
279: cmds = NULL;
280: else {
281: cmds = makesubcmd(INSTALL);
282: cmds->sc_options = options;
283: cmds->sc_name = dest;
284: }
285:
286: if (debug) {
287: printf("docmdargs()\nfiles = ");
288: prnames(files);
289: printf("hosts = ");
290: prnames(hosts);
291: }
292: insert(NULL, files, hosts, cmds);
293: docmds(NULL, 0, NULL);
294: }
295:
296: /*
297: * Print a list of NAME blocks (mostly for debugging).
298: */
299: void
300: prnames(nl)
1.10 mpech 301: struct namelist *nl;
1.1 dm 302: {
303: printf("( ");
304: while (nl != NULL) {
305: printf("%s ", nl->n_name);
306: nl = nl->n_next;
307: }
308: printf(")\n");
309: }
310:
311: void
312: warn(const char *fmt, ...)
313: {
314: extern int yylineno;
315: va_list ap;
1.12 ! millert 316:
1.1 dm 317: va_start(ap, fmt);
318: (void)fprintf(stderr, "rdist: line %d: Warning: ", yylineno);
319: (void)vfprintf(stderr, fmt, ap);
320: (void)fprintf(stderr, "\n");
321: va_end(ap);
1.3 millert 322: }
323:
324: /*
325: * Private version of basename()
326: */
327: char *xbasename(path)
328: char *path;
329: {
1.10 mpech 330: char *cp;
1.3 millert 331:
332: if (cp = strrchr(path, '/'))
333: return(cp+1);
334: else
335: return(path);
1.1 dm 336: }