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ldd.c (1153) ldd.c (1741)
1/*
2 * Copyright (c) 1993 Paul Kranenburg
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

--- 13 unchanged lines hidden (view full) ---

22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 *
1/*
2 * Copyright (c) 1993 Paul Kranenburg
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

--- 13 unchanged lines hidden (view full) ---

22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 *
30 * $Id: ldd.c,v 1.2 1993/11/09 04:19:27 paul Exp $
30 * $Id: ldd.c,v 1.3 1994/02/13 20:42:43 jkh Exp $
31 */
32
31 */
32
33#include <sys/param.h>
34#include <stdio.h>
35#include <stdlib.h>
36#include <string.h>
37#include <errno.h>
38#include <sys/types.h>
39#include <sys/stat.h>
40#include <sys/file.h>
41#include <sys/time.h>
42#include <sys/resource.h>
33#include <sys/types.h>
34#include <sys/stat.h>
35#include <sys/file.h>
36#include <sys/time.h>
37#include <sys/resource.h>
43#include <fcntl.h>
44#include <sys/wait.h>
45#include <a.out.h>
38#include <sys/wait.h>
39#include <a.out.h>
40#include <err.h>
41#include <fcntl.h>
42#include <stdio.h>
43#include <stdlib.h>
44#include <string.h>
45#include <unistd.h>
46
46
47static char *progname;
48
49void
50usage()
51{
47void
48usage()
49{
52 fprintf(stderr, "Usage: %s <filename> ...\n", progname);
50 extern char *__progname;
51
52 fprintf(stderr, "Usage: %s <filename> ...\n", __progname);
53 exit(1);
53}
54
55int
56main(argc, argv)
57int argc;
58char *argv[];
59{
54}
55
56int
57main(argc, argv)
58int argc;
59char *argv[];
60{
60 int rval = 0;
61 int rval;
61 int c;
62 int c;
62 extern int optind;
63
63
64 if ((progname = strrchr(argv[0], '/')) == NULL)
65 progname = argv[0];
66 else
67 progname++;
68
69 while ((c = getopt(argc, argv, "")) != EOF) {
70 switch (c) {
71 default:
72 usage();
64 while ((c = getopt(argc, argv, "")) != EOF) {
65 switch (c) {
66 default:
67 usage();
73 exit(1);
68 /*NOTREACHED*/
74 }
75 }
76 argc -= optind;
77 argv += optind;
78
79 if (argc <= 0) {
80 usage();
69 }
70 }
71 argc -= optind;
72 argv += optind;
73
74 if (argc <= 0) {
75 usage();
81 exit(1);
76 /*NOTREACHED*/
82 }
83
84 /* ld.so magic */
85 setenv("LD_TRACE_LOADED_OBJECTS", "", 1);
86
77 }
78
79 /* ld.so magic */
80 setenv("LD_TRACE_LOADED_OBJECTS", "", 1);
81
82 rval = 0;
87 while (argc--) {
88 int fd;
89 struct exec hdr;
90 int status;
91
92 if ((fd = open(*argv, O_RDONLY, 0)) < 0) {
83 while (argc--) {
84 int fd;
85 struct exec hdr;
86 int status;
87
88 if ((fd = open(*argv, O_RDONLY, 0)) < 0) {
93 perror(*argv);
89 warn("%s", *argv);
94 rval |= 1;
95 argv++;
96 continue;
97 }
98 if (read(fd, &hdr, sizeof hdr) != sizeof hdr ||
90 rval |= 1;
91 argv++;
92 continue;
93 }
94 if (read(fd, &hdr, sizeof hdr) != sizeof hdr ||
99 !(N_GETFLAG(hdr) & EX_DYNAMIC)) {
100 fprintf(stderr, "%s: not a dynamic executable\n",
101 *argv);
95 !(N_GETFLAG(hdr) & EX_DYNAMIC) ||
96 hdr.a_entry < __LDPGSZ) {
97
98 warnx("%s: not a dynamic executable", *argv);
102 (void)close(fd);
103 rval |= 1;
104 argv++;
105 continue;
106 }
107 (void)close(fd);
108
109 printf("%s:\n", *argv);
110 fflush(stdout);
111
112 switch (fork()) {
113 case -1:
99 (void)close(fd);
100 rval |= 1;
101 argv++;
102 continue;
103 }
104 (void)close(fd);
105
106 printf("%s:\n", *argv);
107 fflush(stdout);
108
109 switch (fork()) {
110 case -1:
114 perror("fork");
115 exit(1);
111 err(1, "fork");
116 break;
117 default:
112 break;
113 default:
118 if (wait(&status) <= 0)
119 perror("wait");
120
121 if (WIFSIGNALED(status)) {
114 if (wait(&status) <= 0) {
115 warn("wait");
116 rval |= 1;
117 } else if (WIFSIGNALED(status)) {
122 fprintf(stderr, "%s: signal %d\n",
123 *argv, WTERMSIG(status));
124 rval |= 1;
125 } else if (WIFEXITED(status) && WEXITSTATUS(status)) {
126 fprintf(stderr, "%s: exit status %d\n",
127 *argv, WEXITSTATUS(status));
128 rval |= 1;
129 }
130 break;
131 case 0:
118 fprintf(stderr, "%s: signal %d\n",
119 *argv, WTERMSIG(status));
120 rval |= 1;
121 } else if (WIFEXITED(status) && WEXITSTATUS(status)) {
122 fprintf(stderr, "%s: exit status %d\n",
123 *argv, WEXITSTATUS(status));
124 rval |= 1;
125 }
126 break;
127 case 0:
132 rval != execl(*argv, *argv, NULL) != 0;
128 rval |= execl(*argv, *argv, NULL) != 0;
133 perror(*argv);
134 _exit(1);
135 }
136 argv++;
137 }
138
139 return rval;
140}
129 perror(*argv);
130 _exit(1);
131 }
132 argv++;
133 }
134
135 return rval;
136}