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First draft

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git-svn: trunk@3048
This commit is contained in:
Nigel Horne
2007-05-01 21:50:28 +00:00
parent 5e2a487ca8
commit 94de6789d2
1 changed files with 177 additions and 0 deletions
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test/pe/debugpe.c Normal file
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/*
* $CC -DHAVE_CONFIG_H $CFLAGS -I../.. debugpe.c -lclamav -lefence (or what
* ever memory debugger)
* If you're going to use HAVE_BACKTRACE, ensure CFLAGS includes -g and doesn't
* include -fomit-frame-pointer
*
* njh@bandsman.co.uk
*/
#include <stdio.h>
#include <errno.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <fcntl.h>
#include <malloc.h>
#include <clamav.h>
#include <sys/resource.h>
#include <signal.h>
#include <features.h>
#include <memory.h>
#include <unistd.h>
#include "clamav-config.h"
#include "libclamav/others.h"
#include "libclamav/pe.h"
#if __GLIBC__ == 2 && __GLIBC_MINOR__ >= 1
/*#define HAVE_BACKTRACE /* Only tested on Linux... */
#endif
#ifdef HAVE_BACKTRACE
#include <execinfo.h>
#endif
static const uint16_t test1[] = {
0x5a4d, 0x0090, 0x0003, 0x0000, 0x0004, 0x0000, 0xffff, 0x0000,
0x00b8, 0x0000, 0x0000, 0x0000, 0x0040, 0x0000, 0x0000, 0x0000,
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0100, 0x0000,
0x1f0e, 0x0eba, 0xb400, 0xcd09, 0xb821, 0x4c01, 0x21cd, 0x6854,
0x7369, 0x7020, 0x6f72, 0x7267, 0x6d61, 0x6320, 0x6e61, 0x6f6e,
0x2074, 0x6562, 0x7220, 0x6e75, 0x6920, 0x206e, 0x4f44, 0x2053,
0x6f6d, 0x6564, 0x0d2e, 0x0a0d, 0x0024, 0x0000, 0x0000, 0x0000,
0x07c2, 0x23b9, 0x6686, 0x70d7, 0x6686, 0x70d7, 0x6686, 0x70d7,
0x6a83, 0x7088, 0x668f, 0x70d7, 0x6e05, 0x7088, 0x6687, 0x70d7
};
static const uint16_t test2[] = {
0x5a4d, 0x0090, 0x0003, 0x0000, 0x0004, 0x0000, 0xffff, 0x0000,
0x00b8, 0x0000, 0x0000, 0x0000, 0x0040, 0x0000, 0x0000, 0x0000,
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0100, 0x0000,
0x1f0e, 0x0eba, 0xb400, 0xcd09, 0xb821, 0x4c01, 0x21cd, 0x6854,
0x7369, 0x7020, 0x6f72, 0x7267, 0x6d61, 0x6320, 0x6e61, 0x6f6e,
0x2074, 0x6562, 0x7220, 0x6e75, 0x6920, 0x206e, 0x4f44, 0x2053,
0x6f6d, 0x6564, 0x0d2e, 0x0a0d, 0x0024, 0x0000, 0x0000, 0x0000,
0x07c2, 0x23b9, 0x6686, 0x70d7, 0x6686, 0x70d7, 0x6686, 0x70d7,
0x6a82, 0x7088, 0x668f, 0x70d7, 0x6e05, 0x7088, 0x6687, 0x70d7
};
static const uint16_t test3[] = {
0x5a4d, 0x0091, 0x0003, 0x0000, 0x0004, 0x0000, 0xffff, 0x0000,
0x00b8, 0x0000, 0x0000, 0x0000, 0x0040, 0x0000, 0x0000, 0x0000,
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0100, 0x0000,
0x1f0e, 0x0eba, 0xb400, 0xcd09, 0xb821, 0x4c01, 0x21cd, 0x6854,
0x7369, 0x7020, 0x6f72, 0x7267, 0x6d61, 0x6320, 0x6e61, 0x6f6e,
0x2074, 0x6562, 0x7220, 0x6e75, 0x6920, 0x206e, 0x4f44, 0x2053,
0x6f6d, 0x6564, 0x0d2e, 0x0a0d, 0x0024, 0x0000, 0x0000, 0x0000,
0x07c2, 0x23b9, 0x6686, 0x70d7, 0x6686, 0x70d7, 0x6686, 0x70d7,
0x6a83, 0x7088, 0x668f, 0x70d7, 0x6e05, 0x7088, 0x6687, 0x70d7
};
static const uint16_t test4[] = {
0x5a4d, 0x0090, 0x0003, 0x0000, 0x0004, 0x0000, 0xffff, 0x0000,
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0100, 0x0000,
0x1f0e, 0x0eba, 0xb400, 0xcd09, 0xb821, 0x4c01, 0x21cd, 0x6854,
0x7369, 0x7020, 0x6f72, 0x7267, 0x6d61, 0x6320, 0x6e61, 0x6f6e,
0x2074, 0x6562, 0x7220, 0x6e75, 0x6920, 0x206e, 0x4f44, 0x2053,
0x6f6d, 0x6564, 0x0d2e, 0x0a0d, 0x0024, 0x0000, 0x0000, 0x0000,
0x07c2, 0x23b9, 0x6686, 0x70d7, 0x6686, 0x70d7, 0x6686, 0x70d7,
0x6a83, 0x7088, 0x668f, 0x70d7, 0x6e05, 0x7088, 0x6687, 0x70d7
};
static struct tests {
const uint16_t *test;
unsigned int size;
} tests[] = {
{ test1, sizeof(test1) },
{ test2, sizeof(test2) },
{ test3, sizeof(test3) },
{ test4, sizeof(test4) },
{ NULL, 0 },
};
static const char *tmp_file = "/tmp/petest";
static void print_trace(void);
static void sigsegv(int sig);
static void
sigsegv(int sig)
{
signal(SIGSEGV, SIG_DFL);
print_trace();
_exit(SIGSEGV);
}
static void
print_trace(void)
{
#ifdef HAVE_BACKTRACE
void *array[10];
size_t size, i;
char **strings;
puts("Segfault caught, backtrace:");
size = backtrace(array, 10);
strings = backtrace_symbols(array, size);
for(i = 0; i < size; i++)
printf("\t%s\n", strings[i]);
free(strings);
#endif
}
int
main(int argc, char **argv)
{
const struct tests *t;
int fd;
struct rlimit rlim;
cli_ctx ctx;
rlim.rlim_cur = rlim.rlim_max = RLIM_INFINITY;
if(setrlimit(RLIMIT_CORE, &rlim) < 0)
perror("setrlimit");
memset(&ctx, '\0', sizeof(cli_ctx));
/*printf("cl_scanpe(-1) returns %d\n", cli_scanpe(-1, &ctx));
printf("cl_scanpe(10) returns %d\n", cli_scanpe(10, &ctx));
printf("cl_scanpe(10000) returns %d\n", cli_scanpe(10000, &ctx));*/
cli_scanpe(-1, &ctx);
cli_scanpe(-1, NULL);
cli_scanpe(10, &ctx);
cli_scanpe(10, NULL);
cli_scanpe(10000, &ctx);
cli_scanpe(10000, NULL);
for(t = tests; t->test; t++) {
int n;
for(n = t->size; n >= 1; --n) {
int m;
for(m = 0; m < n; m++) {
fd = open(tmp_file, O_CREAT|O_RDWR, 0600);
if(fd < 0) {
perror(tmp_file);
return errno;
}
write(fd, &t->test[m], n - m);
signal(SIGSEGV, sigsegv);
memset(&ctx, '\0', sizeof(cli_ctx));
cli_scanpe(fd, &ctx);
cli_scanpe(fd, NULL);
/*printf("cl_scanpe() returns %d\n", cli_scanpe(fd, &ctx));*/
close(fd);
}
}
}
return unlink(tmp_file);
}