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Diffstat (limited to 'tests/valgrindtest.c')
| -rw-r--r-- | tests/valgrindtest.c | 427 |
1 files changed, 0 insertions, 427 deletions
diff --git a/tests/valgrindtest.c b/tests/valgrindtest.c deleted file mode 100644 index c2e3d790..00000000 --- a/tests/valgrindtest.c +++ /dev/null @@ -1,427 +0,0 @@ -/* - * Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 2000 - * The Regents of the University of California. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that: (1) source code distributions - * retain the above copyright notice and this paragraph in its entirety, (2) - * distributions including binary code include the above copyright notice and - * this paragraph in its entirety in the documentation or other materials - * provided with the distribution, and (3) all advertising materials mentioning - * features or use of this software display the following acknowledgement: - * ``This product includes software developed by the University of California, - * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of - * the University nor the names of its contributors may be used to endorse - * or promote products derived from this software without specific prior - * written permission. - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. - */ - -#include "varattrs.h" - -/* - * This doesn't actually test libpcap itself; it tests whether - * valgrind properly handles the APIs libpcap uses. If it doesn't, - * we end up getting patches submitted to "fix" references that - * valgrind claims are being made to uninitialized data, when, in - * fact, the OS isn't making any such references - or we get - * valgrind *not* detecting *actual* incorrect references. - * - * Both BPF and Linux socket filters aren't handled correctly - * by some versions of valgrind. See valgrind bug 318203 for - * Linux: - * - * https://bugs.kde.org/show_bug.cgi?id=318203 - * - * and valgrind bug 312989 for macOS: - * - * https://bugs.kde.org/show_bug.cgi?id=312989 - * - * The fixes for both of those are checked into the official valgrind - * repository. - * - * The unofficial FreeBSD port has similar issues to the official macOS - * port, for similar reasons. - */ -#ifndef lint -static const char copyright[] _U_ = - "@(#) Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 2000\n\ -The Regents of the University of California. All rights reserved.\n"; -#endif - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <stdarg.h> -#include <unistd.h> -#include <fcntl.h> -#include <errno.h> -#include <arpa/inet.h> -#include <sys/types.h> -#include <sys/stat.h> - -#include "pcap/funcattrs.h" - -#if defined(__APPLE__) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__DragonFly__) || defined(_AIX) || defined(sun) -/* OS with BPF - use BPF */ -#define USE_BPF -#elif defined(linux) -/* Linux - use socket filters */ -#define USE_SOCKET_FILTERS -#else -#error "Unknown platform or platform that doesn't support Valgrind" -#endif - -#if defined(USE_BPF) - -#include <sys/ioctl.h> -#include <net/bpf.h> - -/* - * Make "pcap.h" not include "pcap/bpf.h"; we are going to include the - * native OS version, as we're going to be doing our own ioctls to - * make sure that, in the uninitialized-data tests, the filters aren't - * checked by libpcap before being handed to BPF. - */ -#define PCAP_DONT_INCLUDE_PCAP_BPF_H - -#elif defined(USE_SOCKET_FILTERS) - -#include <sys/socket.h> -#include <linux/types.h> -#include <linux/filter.h> - -#endif - -#include <pcap.h> - -static char *program_name; - -/* Forwards */ -static void PCAP_NORETURN usage(void); -static void PCAP_NORETURN error(const char *, ...) PCAP_PRINTFLIKE(1, 2); -static void warning(const char *, ...) PCAP_PRINTFLIKE(1, 2); - -/* - * On Windows, we need to open the file in binary mode, so that - * we get all the bytes specified by the size we get from "fstat()". - * On UNIX, that's not necessary. O_BINARY is defined on Windows; - * we define it as 0 if it's not defined, so it does nothing. - */ -#ifndef O_BINARY -#define O_BINARY 0 -#endif - -static char * -read_infile(char *fname) -{ - register int i, fd, cc; - register char *cp; - struct stat buf; - - fd = open(fname, O_RDONLY|O_BINARY); - if (fd < 0) - error("can't open %s: %s", fname, pcap_strerror(errno)); - - if (fstat(fd, &buf) < 0) - error("can't stat %s: %s", fname, pcap_strerror(errno)); - - cp = malloc((u_int)buf.st_size + 1); - if (cp == NULL) - error("malloc(%d) for %s: %s", (u_int)buf.st_size + 1, - fname, pcap_strerror(errno)); - cc = read(fd, cp, (u_int)buf.st_size); - if (cc < 0) - error("read %s: %s", fname, pcap_strerror(errno)); - if (cc != buf.st_size) - error("short read %s (%d != %d)", fname, cc, (int)buf.st_size); - - close(fd); - /* replace "# comment" with spaces */ - for (i = 0; i < cc; i++) { - if (cp[i] == '#') - while (i < cc && cp[i] != '\n') - cp[i++] = ' '; - } - cp[cc] = '\0'; - return (cp); -} - -/* VARARGS */ -static void -error(const char *fmt, ...) -{ - va_list ap; - - (void)fprintf(stderr, "%s: ", program_name); - va_start(ap, fmt); - (void)vfprintf(stderr, fmt, ap); - va_end(ap); - if (*fmt) { - fmt += strlen(fmt); - if (fmt[-1] != '\n') - (void)fputc('\n', stderr); - } - exit(1); - /* NOTREACHED */ -} - -/* VARARGS */ -static void -warning(const char *fmt, ...) -{ - va_list ap; - - (void)fprintf(stderr, "%s: WARNING: ", program_name); - va_start(ap, fmt); - (void)vfprintf(stderr, fmt, ap); - va_end(ap); - if (*fmt) { - fmt += strlen(fmt); - if (fmt[-1] != '\n') - (void)fputc('\n', stderr); - } -} - -/* - * Copy arg vector into a new buffer, concatenating arguments with spaces. - */ -static char * -copy_argv(register char **argv) -{ - register char **p; - register u_int len = 0; - char *buf; - char *src, *dst; - - p = argv; - if (*p == 0) - return 0; - - while (*p) - len += strlen(*p++) + 1; - - buf = (char *)malloc(len); - if (buf == NULL) - error("copy_argv: malloc"); - - p = argv; - dst = buf; - while ((src = *p++) != NULL) { - while ((*dst++ = *src++) != '\0') - ; - dst[-1] = ' '; - } - dst[-1] = '\0'; - - return buf; -} - -#define INSN_COUNT 17 - -int -main(int argc, char **argv) -{ - char *cp, *device; - int op; - int dorfmon, useactivate; - char ebuf[PCAP_ERRBUF_SIZE]; - char *infile; - char *cmdbuf; - pcap_if_t *devlist; - pcap_t *pd; - int status = 0; - int pcap_fd; -#if defined(USE_BPF) - struct bpf_program bad_fcode; - struct bpf_insn uninitialized[INSN_COUNT]; -#elif defined(USE_SOCKET_FILTERS) - struct sock_fprog bad_fcode; - struct sock_filter uninitialized[INSN_COUNT]; -#endif - struct bpf_program fcode; - - device = NULL; - dorfmon = 0; - useactivate = 0; - infile = NULL; - - if ((cp = strrchr(argv[0], '/')) != NULL) - program_name = cp + 1; - else - program_name = argv[0]; - - opterr = 0; - while ((op = getopt(argc, argv, "aF:i:I")) != -1) { - switch (op) { - - case 'a': - useactivate = 1; - break; - - case 'F': - infile = optarg; - break; - - case 'i': - device = optarg; - break; - - case 'I': - dorfmon = 1; - useactivate = 1; /* required for rfmon */ - break; - - default: - usage(); - /* NOTREACHED */ - } - } - - if (device == NULL) { - /* - * No interface specified; get whatever pcap_lookupdev() - * finds. - */ - if (pcap_findalldevs(&devlist, ebuf) == -1) - error("%s", ebuf); - if (devlist == NULL) - error("no interfaces available for capture"); - device = strdup(devlist->name); - pcap_freealldevs(devlist); - } - - if (infile != NULL) { - /* - * Filter specified with "-F" and a file containing - * a filter. - */ - cmdbuf = read_infile(infile); - } else { - if (optind < argc) { - /* - * Filter specified with arguments on the - * command line. - */ - cmdbuf = copy_argv(&argv[optind+1]); - } else { - /* - * No filter specified; use an empty string, which - * compiles to an "accept all" filter. - */ - cmdbuf = ""; - } - } - - if (useactivate) { - pd = pcap_create(device, ebuf); - if (pd == NULL) - error("%s: pcap_create() failed: %s", device, ebuf); - status = pcap_set_snaplen(pd, 65535); - if (status != 0) - error("%s: pcap_set_snaplen failed: %s", - device, pcap_statustostr(status)); - status = pcap_set_promisc(pd, 1); - if (status != 0) - error("%s: pcap_set_promisc failed: %s", - device, pcap_statustostr(status)); - if (dorfmon) { - status = pcap_set_rfmon(pd, 1); - if (status != 0) - error("%s: pcap_set_rfmon failed: %s", - device, pcap_statustostr(status)); - } - status = pcap_set_timeout(pd, 1000); - if (status != 0) - error("%s: pcap_set_timeout failed: %s", - device, pcap_statustostr(status)); - status = pcap_activate(pd); - if (status < 0) { - /* - * pcap_activate() failed. - */ - error("%s: %s\n(%s)", device, - pcap_statustostr(status), pcap_geterr(pd)); - } else if (status > 0) { - /* - * pcap_activate() succeeded, but it's warning us - * of a problem it had. - */ - warning("%s: %s\n(%s)", device, - pcap_statustostr(status), pcap_geterr(pd)); - } - } else { - *ebuf = '\0'; - pd = pcap_open_live(device, 65535, 1, 1000, ebuf); - if (pd == NULL) - error("%s", ebuf); - else if (*ebuf) - warning("%s", ebuf); - } - - pcap_fd = pcap_fileno(pd); - - /* - * Try setting a filter with an uninitialized bpf_program - * structure. This should cause valgrind to report a - * problem. - * - * We don't check for errors, because it could get an - * error due to a bad pointer or count. - */ -#if defined(USE_BPF) - ioctl(pcap_fd, BIOCSETF, &bad_fcode); -#elif defined(USE_SOCKET_FILTERS) - setsockopt(pcap_fd, SOL_SOCKET, SO_ATTACH_FILTER, &bad_fcode, - sizeof(bad_fcode)); -#endif - - /* - * Try setting a filter with an initialized bpf_program - * structure that points to an uninitialized program. - * That should also cause valgrind to report a problem. - * - * We don't check for errors, because it could get an - * error due to a bad pointer or count. - */ -#if defined(USE_BPF) - bad_fcode.bf_len = INSN_COUNT; - bad_fcode.bf_insns = uninitialized; - ioctl(pcap_fd, BIOCSETF, &bad_fcode); -#elif defined(USE_SOCKET_FILTERS) - bad_fcode.len = INSN_COUNT; - bad_fcode.filter = uninitialized; - setsockopt(pcap_fd, SOL_SOCKET, SO_ATTACH_FILTER, &bad_fcode, - sizeof(bad_fcode)); -#endif - - /* - * Now compile a filter and set the filter with that. - * That should *not* cause valgrind to report a - * problem. - */ - if (pcap_compile(pd, &fcode, cmdbuf, 1, 0) < 0) - error("can't compile filter: %s", pcap_geterr(pd)); - if (pcap_setfilter(pd, &fcode) < 0) - error("can't set filter: %s", pcap_geterr(pd)); - - pcap_close(pd); - exit(status < 0 ? 1 : 0); -} - -static void -usage(void) -{ - (void)fprintf(stderr, "%s, with %s\n", program_name, - pcap_lib_version()); - (void)fprintf(stderr, - "Usage: %s [-aI] [ -F file ] [ -I interface ] [ expression ]\n", - program_name); - exit(1); -} |