Commit | Line | Data |
---|---|---|
1c2fdcc2 FT |
1 | #include <stdio.h> |
2 | #include <unistd.h> | |
3 | #include <stdlib.h> | |
4 | #include <sys/ptrace.h> | |
5 | #include <errno.h> | |
6 | ||
7 | unsigned char buf[1024]; | |
8 | ||
9 | int main(int argc, unsigned char **argv) | |
10 | { | |
11 | pid_t pid; | |
12 | unsigned long addr1, addr2; | |
13 | int buf; | |
14 | ||
15 | if(argc < 4) | |
16 | { | |
17 | fprintf(stderr, "Not enough args\n"); | |
18 | return(1); | |
19 | } | |
20 | pid = strtol(argv[1], NULL, 0); | |
21 | addr1 = (unsigned long)strtoll(argv[2], NULL, 0); | |
22 | addr2 = (unsigned long)strtoll(argv[3], NULL, 0); | |
23 | if(ptrace(PTRACE_ATTACH, pid, NULL, NULL)) | |
24 | { | |
25 | perror("PTRACE_ATTACH"); | |
26 | return(1); | |
27 | } | |
28 | for(; addr1 < addr2; addr1 += sizeof(int)) | |
29 | { | |
30 | errno = 0; | |
31 | if(((buf = ptrace(PTRACE_PEEKDATA, pid, (void *)addr1, NULL)) == -1) && errno) | |
32 | { | |
33 | perror("PTRACE_PEEKDATA"); | |
34 | if(ptrace(PTRACE_DETACH, pid, NULL, NULL)) | |
35 | perror("PTRACE_DETACH"); | |
36 | return(1); | |
37 | } | |
38 | if(write(1, &buf, sizeof(buf)) != 4) | |
39 | { | |
40 | perror("write"); | |
41 | if(ptrace(PTRACE_DETACH, pid, NULL, NULL)) | |
42 | perror("PTRACE_DETACH"); | |
43 | return(1); | |
44 | } | |
45 | } | |
46 | if(ptrace(PTRACE_DETACH, pid, NULL, NULL)) | |
47 | { | |
48 | perror("PTRACE_DETACH"); | |
49 | return(1); | |
50 | } | |
51 | return(0); | |
52 | } |