summaryrefslogtreecommitdiff
path: root/package/portmap/patches/debian-subset.patch
blob: c5fecf7c4cbaf2432e2c7b9e948d5a8c4693f62f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
--- portmap-5.orig/Makefile
+++ portmap-5/Makefile
@@ -8,7 +8,7 @@
 # if you disagree. See `man 3 syslog' for examples. Some syslog versions
 # do not provide this flexibility.
 #
-FACILITY=LOG_MAIL
+FACILITY=LOG_DAEMON
 
 # To disable tcp-wrapper style access control, comment out the following
 # macro definitions.  Access control can also be turned off by providing
@@ -16,7 +16,8 @@
 # daemon, is always treated as an authorized host.
 
 HOSTS_ACCESS= -DHOSTS_ACCESS
-WRAP_LIB = $(WRAP_DIR)/libwrap.a
+#WRAP_LIB = $(WRAP_DIR)/libwrap.a
+WRAP_LIB = -lwrap
 
 # Comment out if your RPC library does not allocate privileged ports for
 # requests from processes with root privilege, or the new portmap will
@@ -71,7 +72,7 @@
 # With verbose logging on, HP-UX 9.x and AIX 4.1 leave zombies behind when
 # SIGCHLD is not ignored. Enable next macro for a fix.
 #
-# ZOMBIES = -DIGNORE_SIGCHLD	# AIX 4.x, HP-UX 9.x
+ZOMBIES = -DIGNORE_SIGCHLD	# AIX 4.x, HP-UX 9.x
 
 # Uncomment the following macro if your system does not have u_long.
 #
@@ -81,11 +82,14 @@
 # libwrap.a object library. WRAP_DIR should specify the directory with
 # that library.
 
-WRAP_DIR= ../tcp_wrappers
+WRAP_DIR= $(TCPD_DIR)
 
 # Auxiliary object files that may be missing from your C library.
 #
-AUX	= daemon.o strerror.o
+#AUX	= daemon.o strerror.o
+
+# glibc has strerror() (it's POSIX) and daemon() (when compiling -D_BSD_SOURCE)
+AUX	= 
 
 # NEXTSTEP is a little different. The following seems to work with NS 3.2
 #
@@ -99,22 +103,31 @@
 
 # Comment out if your compiler talks ANSI and understands const
 #
-CONST   = -Dconst=
+#CONST   = -Dconst=
 
 ### End of configurable stuff.
 ##############################
 
+GLIBC=$(shell grep -s -c __GLIBC__ /usr/include/features.h)
+
+ifeq ($(GLIBC),0)
+LIBS   += # -lbsd
+else
+LIBS   += -lnsl
+endif
+
+
 SHELL	= /bin/sh
 
-COPT	= $(CONST) -Dperror=xperror $(HOSTS_ACCESS) $(CHECK_PORT) \
+COPT	= $(CONST) $(HOSTS_ACCESS) $(CHECK_PORT) \
 	$(SYS) -DFACILITY=$(FACILITY) $(ULONG) $(ZOMBIES) $(SA_LEN) \
 	$(LOOPBACK) $(SETPGRP)
-CFLAGS	= $(COPT) -O $(NSARCHS)
+CFLAGS	= -Wall $(COPT) -O2 $(NSARCHS)
 OBJECTS	= portmap.o pmap_check.o from_local.o $(AUX)
 
 all:	portmap pmap_dump pmap_set
 
-portmap: $(OBJECTS) $(WRAP_DIR)/libwrap.a
+portmap: $(OBJECTS) # $(WRAP_DIR)/libwrap.a
 	$(CC) $(CFLAGS) -o $@ $(OBJECTS) $(WRAP_LIB) $(LIBS)
 
 pmap_dump: pmap_dump.c
@@ -129,6 +142,17 @@
 get_myaddress: get_myaddress.c
 	cc $(CFLAGS) -DTEST -o $@ get_myaddress.c $(LIBS)
 
+install: all
+	install -o root -g root -m 0755 -s portmap ${BASEDIR}/sbin
+	install -o root -g root -m 0755 -s pmap_dump ${BASEDIR}/sbin
+	install -o root -g root -m 0755 -s pmap_set ${BASEDIR}/sbin
+	install -o root -g root -m 0644 portmap.8 ${BASEDIR}/usr/share/man/man8
+	install -o root -g root -m 0644 pmap_dump.8 ${BASEDIR}/usr/share/man/man8
+	install -o root -g root -m 0644 pmap_set.8 ${BASEDIR}/usr/share/man/man8
+	cat BLURB >${BASEDIR}/usr/share/doc/portmap/portmapper.txt
+	gzip -9f ${BASEDIR}/usr/share/doc/portmap/portmapper.txt
+
+
 lint:	
 	lint $(COPT) $(OBJECTS:%.o=%.c)
 
--- portmap-5.orig/daemon.c
+++ portmap-5/daemon.c
@@ -36,11 +36,8 @@
 #endif /* LIBC_SCCS and not lint */
 
 #include <fcntl.h>
-
-/* From unistd.h */
-#define STDIN_FILENO	0
-#define STDOUT_FILENO	1
-#define STDERR_FILENO	2
+#include <unistd.h>
+#include <sys/types.h>
 
 /* From paths.h */
 #define _PATH_DEVNULL	"/dev/null"
--- portmap-5.orig/pmap_check.c
+++ portmap-5/pmap_check.c
@@ -41,10 +41,14 @@
 #include <syslog.h>
 #include <netdb.h>
 #include <sys/signal.h>
+#include <grp.h>
 #ifdef SYSV40
 #include <netinet/in.h>
 #include <rpc/rpcent.h>
 #endif
+#include <sys/types.h>
+#include <unistd.h>
+#include <tcpd.h>
 
 extern char *inet_ntoa();
 
@@ -101,15 +105,25 @@
      * Give up root privileges so that we can never allocate a privileged
      * port when forwarding an rpc request.
      */
+    if (setgid(1) == -1) {
+	syslog(LOG_ERR, "setgid(1) failed: %m");
+	exit(1);
+    }
+    if (setgroups(0, 0) == -1) {
+	syslog(LOG_ERR, "setgroups(0, 0) failed: %m");
+	exit(1);
+    }
     if (setuid(1) == -1) {
 	syslog(LOG_ERR, "setuid(1) failed: %m");
 	exit(1);
     }
+
     (void) signal(SIGINT, toggle_verboselog);
 }
 
 /* check_default - additional checks for NULL, DUMP, GETPORT and unknown */
 
+int
 check_default(addr, proc, prog)
 struct sockaddr_in *addr;
 u_long  proc;
@@ -128,6 +142,7 @@
 
 /* check_privileged_port - additional checks for privileged-port updates */
 
+int
 check_privileged_port(addr, proc, prog, port)
 struct sockaddr_in *addr;
 u_long  proc;
@@ -173,6 +188,7 @@
 
 #else
 
+int
 check_setunset(addr, proc, prog, port)
 struct sockaddr_in *addr;
 u_long  proc;
@@ -197,6 +213,7 @@
 
 /* check_callit - additional checks for forwarded requests */
 
+int
 check_callit(addr, proc, prog, aproc)
 struct sockaddr_in *addr;
 u_long  proc;
@@ -249,13 +266,13 @@
     };
     struct proc_map *procp;
     static struct proc_map procmap[] = {
-	PMAPPROC_CALLIT, "callit",
-	PMAPPROC_DUMP, "dump",
-	PMAPPROC_GETPORT, "getport",
-	PMAPPROC_NULL, "null",
-	PMAPPROC_SET, "set",
-	PMAPPROC_UNSET, "unset",
-	0, 0,
+        {PMAPPROC_CALLIT, "callit"},
+	{PMAPPROC_DUMP, "dump"},
+	{PMAPPROC_GETPORT, "getport"},
+	{PMAPPROC_NULL, "null"},
+	{PMAPPROC_SET, "set"},
+	{PMAPPROC_UNSET, "unset"},
+	{0, 0},
     };
 
     /*
@@ -269,7 +286,7 @@
 
 	if (prognum == 0) {
 	    progname = "";
-	} else if (rpc = getrpcbynumber((int) prognum)) {
+	} else if ((rpc = getrpcbynumber((int) prognum))) {
 	    progname = rpc->r_name;
 	} else {
 	    sprintf(progname = progbuf, "%lu", prognum);
--- portmap-5.orig/from_local.c
+++ portmap-5/from_local.c
@@ -51,6 +51,9 @@
 #include <net/if.h>
 #include <sys/ioctl.h>
 #include <syslog.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
 
 #ifndef TRUE
 #define	TRUE	1
@@ -96,6 +99,7 @@
 
 /* find_local - find all IP addresses for this host */
 
+int
 find_local()
 {
     struct ifconf ifc;
@@ -154,6 +158,7 @@
 
 /* from_local - determine whether request comes from the local system */
 
+int
 from_local(addr)
 struct sockaddr_in *addr;
 {
--- portmap-5.orig/pmap_dump.c
+++ portmap-5/pmap_dump.c
@@ -23,6 +23,20 @@
 
 static char *protoname();
 
+#ifndef INADDR_LOOPBACK
+#define INADDR_LOOPBACK ntohl(inet_addr("127.0.0.1"))
+#endif
+
+static void    get_myloopaddress(addrp)
+struct sockaddr_in *addrp;
+{
+    memset((char *) addrp, 0, sizeof(*addrp));
+    addrp->sin_family = AF_INET;
+    addrp->sin_port = htons(PMAPPORT);
+    addrp->sin_addr.s_addr = htonl(INADDR_LOOPBACK);
+}
+
+int
 main(argc, argv)
 int     argc;
 char  **argv;
@@ -31,7 +45,7 @@
     register struct pmaplist *list;
     register struct rpcent *rpc;
 
-    get_myaddress(&addr);
+    get_myloopaddress(&addr);
 
     for (list = pmap_getmaps(&addr); list; list = list->pml_next) {
 	rpc = getrpcbynumber((int) list->pml_map.pm_prog);
--- portmap-5.orig/pmap_set.c
+++ portmap-5/pmap_set.c
@@ -17,6 +17,10 @@
 #include <rpc/rpc.h>
 #include <rpc/pmap_clnt.h>
 
+int parse_line(char *buf, u_long *prog, u_long *vers, int *prot,
+	       unsigned *port);
+
+int
 main(argc, argv)
 int     argc;
 char  **argv;
@@ -40,6 +44,7 @@
 
 /* parse_line - convert line to numbers */
 
+int
 parse_line(buf, prog, vers, prot, port)
 char   *buf;
 u_long *prog;
@@ -47,9 +52,9 @@
 int    *prot;
 unsigned *port;
 {
-    char    proto_name[BUFSIZ];
+    char    proto_name[256];
 
-    if (sscanf(buf, "%lu %lu %s %u", prog, vers, proto_name, port) != 4) {
+    if (sscanf(buf, "%lu %lu %255s %u", prog, vers, proto_name, port) != 4) {
 	return (0);
     }
     if (strcmp(proto_name, "tcp") == 0) {
@@ -65,3 +70,4 @@
     }
     return (0);
 }
+
--- portmap-5.orig/portmap.c
+++ portmap-5/portmap.c
@@ -80,6 +80,10 @@
  * Mountain View, California  94043
  */
 
+#if defined(__GLIBC__)
+#define _BSD_SOURCE 1	/* for daemon(3) */
+#include <rpc/xdr.h>
+#endif /* __GLIBC__ */
 #include <rpc/rpc.h>
 #include <rpc/pmap_prot.h>
 #include <stdio.h>
@@ -91,11 +95,13 @@
 #include <sys/signal.h>
 #include <sys/time.h>
 #include <sys/resource.h>
-#ifdef SYSV40
 #include <netinet/in.h>
-#endif
+#include <sys/types.h>
+#include <unistd.h>
+#include <string.h>
+#include <errno.h>
+#include <arpa/inet.h>
 
-extern char *strerror();
 #include <stdlib.h>
 
 #ifndef LOG_PERROR
@@ -124,7 +130,6 @@
 static void callit();
 struct pmaplist *pmaplist;
 int debugging = 0;
-extern int errno;
 
 #include "pmap_check.h"
 
@@ -148,6 +153,7 @@
 #endif
 #endif
 
+int
 main(argc, argv)
 	int argc;
 	char **argv;
@@ -157,22 +163,31 @@
 	struct sockaddr_in addr;
 	int len = sizeof(struct sockaddr_in);
 	register struct pmaplist *pml;
+	char *chroot_path = NULL;
+	struct in_addr bindaddr;
+	int have_bindaddr = 0;
 
-	while ((c = getopt(argc, argv, "dv")) != EOF) {
+	while ((c = getopt(argc, argv, "dt:vi:")) != EOF) {
 		switch (c) {
 
 		case 'd':
 			debugging = 1;
 			break;
-
+		case 't':
+			chroot_path = optarg;
+			break;
 		case 'v':
 			verboselog = 1;
 			break;
-
+		case 'i':
+			have_bindaddr = inet_aton(optarg, &bindaddr);
+			break;
 		default:
-			(void) fprintf(stderr, "usage: %s [-dv]\n", argv[0]);
+			(void) fprintf(stderr, "usage: %s [-dv] [-t path] [-i address]\n", argv[0]);
 			(void) fprintf(stderr, "-d: debugging mode\n");
+			(void) fprintf(stderr, "-t path: chroot into path\n");
 			(void) fprintf(stderr, "-v: verbose logging\n");
+			(void) fprintf(stderr, "-i address: bind to address\n");
 			exit(1);
 		}
 	}
@@ -201,6 +216,9 @@
 	addr.sin_addr.s_addr = 0;
 	addr.sin_family = AF_INET;
 	addr.sin_port = htons(PMAPPORT);
+	if (have_bindaddr)
+		memcpy(&addr.sin_addr, &bindaddr, sizeof(bindaddr));
+
 	if (bind(sock, (struct sockaddr *)&addr, len) != 0) {
 		syslog(LOG_ERR, "cannot bind udp: %m");
 		exit(1);
@@ -227,7 +245,7 @@
 	setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &on, sizeof on);
 #endif
 	if (bind(sock, (struct sockaddr *)&addr, len) != 0) {
-		syslog(LOG_ERR, "cannot bind udp: %m");
+		syslog(LOG_ERR, "cannot bind tcp: %m");
 		exit(1);
 	}
 	if ((xprt = svctcp_create(sock, RPCSMALLMSGSIZE, RPCSMALLMSGSIZE))
@@ -280,6 +298,14 @@
 	(void)svc_register(xprt, PMAPPROG, PMAPVERS, reg_service, FALSE);
 
 	/* additional initializations */
+	if (chroot_path)
+	{
+		if (-1 == chroot(chroot_path))
+		{
+			syslog(LOG_ERR, "couldn't do chroot");
+			exit(1);
+		}
+	}
 	check_startup();
 #ifdef IGNORE_SIGCHLD			/* Lionel Cons <cons@dxcern.cern.ch> */
 	(void)signal(SIGCHLD, SIG_IGN);
@@ -350,7 +376,7 @@
 		 */
 		/* remote host authorization check */
 		check_default(svc_getcaller(xprt), rqstp->rq_proc, (u_long) 0);
-		if (!svc_sendreply(xprt, xdr_void, (caddr_t)0) && debugging) {
+		if (!svc_sendreply(xprt, (xdrproc_t) xdr_void, (caddr_t)0) && debugging) {
 			abort();
 		}
 		break;
@@ -359,7 +385,7 @@
 		/*
 		 * Set a program,version to port mapping
 		 */
-		if (!svc_getargs(xprt, xdr_pmap, &reg))
+		if (!svc_getargs(xprt, (xdrproc_t) xdr_pmap, (caddr_t) &reg))
 			svcerr_decode(xprt);
 		else {
 			/* reject non-local requests, protect priv. ports */
@@ -401,7 +427,7 @@
 				ans = 1;
 			}
 		done:
-			if ((!svc_sendreply(xprt, xdr_int, (caddr_t)&ans)) &&
+			if ((!svc_sendreply(xprt, (xdrproc_t) xdr_int, (caddr_t)&ans)) &&
 			    debugging) {
 				(void) fprintf(stderr, "svc_sendreply\n");
 				abort();
@@ -413,7 +439,7 @@
 		/*
 		 * Remove a program,version to port mapping.
 		 */
-		if (!svc_getargs(xprt, xdr_pmap, &reg))
+		if (!svc_getargs(xprt, (xdrproc_t) xdr_pmap, (caddr_t) &reg))
 			svcerr_decode(xprt);
 		else {
 			ans = 0;
@@ -447,7 +473,7 @@
 					prevpml->pml_next = pml;
 				free(t);
 			}
-			if ((!svc_sendreply(xprt, xdr_int, (caddr_t)&ans)) &&
+			if ((!svc_sendreply(xprt, (xdrproc_t) xdr_int, (caddr_t)&ans)) &&
 			    debugging) {
 				(void) fprintf(stderr, "svc_sendreply\n");
 				abort();
@@ -459,7 +485,7 @@
 		/*
 		 * Lookup the mapping for a program,version and return its port
 		 */
-		if (!svc_getargs(xprt, xdr_pmap, &reg))
+		if (!svc_getargs(xprt, (xdrproc_t) xdr_pmap, (caddr_t) &reg))
 			svcerr_decode(xprt);
 		else {
 			/* remote host authorization check */
@@ -474,7 +500,7 @@
 				port = fnd->pml_map.pm_port;
 			else
 				port = 0;
-			if ((!svc_sendreply(xprt, xdr_int, (caddr_t)&port)) &&
+			if ((!svc_sendreply(xprt, (xdrproc_t) xdr_int, (caddr_t)&port)) &&
 			    debugging) {
 				(void) fprintf(stderr, "svc_sendreply\n");
 				abort();
@@ -486,7 +512,7 @@
 		/*
 		 * Return the current set of mapped program,version
 		 */
-		if (!svc_getargs(xprt, xdr_void, NULL))
+		if (!svc_getargs(xprt, (xdrproc_t) xdr_void, (caddr_t) NULL))
 			svcerr_decode(xprt);
 		else {
 			/* remote host authorization check */
@@ -497,7 +523,7 @@
 			} else {
 				p = pmaplist;
 			}
-			if ((!svc_sendreply(xprt, xdr_pmaplist,
+			if ((!svc_sendreply(xprt, (xdrproc_t) xdr_pmaplist,
 			    (caddr_t)&p)) && debugging) {
 				(void) fprintf(stderr, "svc_sendreply\n");
 				abort();
@@ -645,7 +671,7 @@
 	timeout.tv_sec = 5;
 	timeout.tv_usec = 0;
 	a.rmt_args.args = buf;
-	if (!svc_getargs(xprt, xdr_rmtcall_args, &a))
+	if (!svc_getargs(xprt, (xdrproc_t) xdr_rmtcall_args, (caddr_t) &a))
 		return;
 	/* host and service access control */
 	if (!check_callit(svc_getcaller(xprt), 
@@ -674,9 +700,9 @@
 			   au->aup_uid, au->aup_gid, au->aup_len, au->aup_gids);
 		}
 		a.rmt_port = (u_long)port;
-		if (clnt_call(client, a.rmt_proc, xdr_opaque_parms, &a,
-		    xdr_len_opaque_parms, &a, timeout) == RPC_SUCCESS) {
-			svc_sendreply(xprt, xdr_rmtcall_result, (caddr_t)&a);
+		if (clnt_call(client, a.rmt_proc, (xdrproc_t) xdr_opaque_parms, (char*) &a,
+		    (xdrproc_t) xdr_len_opaque_parms, (char*) &a, timeout) == RPC_SUCCESS) {
+			svc_sendreply(xprt, (xdrproc_t) xdr_rmtcall_result, (caddr_t)&a);
 		}
 		AUTH_DESTROY(client->cl_auth);
 		clnt_destroy(client);