1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
|
#include <errno.h>
#include <fcntl.h>
#include <unistd.h>
#include "frida-gumjs.h"
#include "debug.h"
#include "output.h"
char *output_stdout = NULL;
char *output_stderr = NULL;
static void output_redirect(int fd, char *filename) {
char *path = NULL;
if (filename == NULL) { return; }
path = g_canonicalize_filename(filename, g_get_current_dir());
OKF("Redirect %d -> '%s'", fd, path);
int output_fd = open(path, O_RDWR | O_CREAT | O_TRUNC,
S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP);
g_free(path);
if (output_fd < 0) { FATAL("Failed to open fd(%d) error %d", fd, errno); }
if (dup2(output_fd, fd) < 0) {
FATAL("Failed to set fd(%d) error %d", fd, errno);
}
close(output_fd);
}
void output_config(void) {
output_stdout = getenv("AFL_FRIDA_OUTPUT_STDOUT");
output_stderr = getenv("AFL_FRIDA_OUTPUT_STDERR");
}
void output_init(void) {
OKF("Output - StdOut: %s", output_stdout);
OKF("Output - StdErr: %s", output_stderr);
output_redirect(STDOUT_FILENO, output_stdout);
output_redirect(STDERR_FILENO, output_stderr);
}
|
