pyrox.dev
fcrackzip: init at 1.0
authored by
Nicolò Balzarotti
and committed by
Robin Gloster
9371acd8
8fa49a63
+26
pkgs/tools/security/fcrackzip/default.nix
+26
pkgs/tools/security/fcrackzip/default.nix
···
···
1
+
{stdenv, fetchurl}:
2
+
3
+
stdenv.mkDerivation rec {
4
+
name = "fcrackzip-${version}";
5
+
version = "1.0";
6
+
src = fetchurl {
7
+
url = "http://oldhome.schmorp.de/marc/data/${name}.tar.gz";
8
+
sha256 = "0l1qsk949vnz18k4vjf3ppq8p497966x4c7f2yx18x8pk35whn2a";
9
+
};
10
+
11
+
# 'fcrackzip --use-unzip' cannot deal with file names containing a single quote
12
+
# https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=430387
13
+
patches = [ ./fcrackzip_forkexec.patch ];
14
+
15
+
# Do not clash with unizp/zipinfo
16
+
postInstall = "mv $out/bin/zipinfo $out/bin/fcrackzip-zipinfo";
17
+
18
+
meta = with stdenv.lib; {
19
+
description = "zip password cracker, similar to fzc, zipcrack and others";
20
+
homepage = http://oldhome.schmorp.de/marc/fcrackzip.html;
21
+
license = licenses.gpl2;
22
+
maintainers = with maintainers; [ nico202 ];
23
+
platforms = with platforms; unix;
24
+
};
25
+
}
26
+
+105
pkgs/tools/security/fcrackzip/fcrackzip_forkexec.patch
+105
pkgs/tools/security/fcrackzip/fcrackzip_forkexec.patch
···
···
1
+
--- origin/main.c 2016-12-12 12:53:38.344285376 +0100
2
+
+++ main.c 2016-12-12 13:01:41.134548824 +0100
3
+
@@ -26,11 +26,13 @@
4
+
#include <string.h>
5
+
6
+
#ifdef USE_UNIX_REDIRECTION
7
+
-#define DEVNULL ">/dev/null 2>&1"
8
+
+#define DEVNULL "/dev/null"
9
+
#else
10
+
-#define DEVNULL ">NUL 2>&1"
11
+
+#define DEVNULL "NUL"
12
+
#endif
13
+
14
+
+#include <errno.h>
15
+
+
16
+
#include "crack.h"
17
+
18
+
int use_unzip;
19
+
@@ -47,21 +49,77 @@
20
+
int REGPARAM
21
+
check_unzip (const char *pw)
22
+
{
23
+
- char buff[1024];
24
+
- int status;
25
+
+pid_t cpid;
26
+
+cpid = fork ();
27
+
+if (cpid == -1)
28
+
+ {
29
+
+ perror ("fork");
30
+
+ exit (EXIT_FAILURE);
31
+
+ }
32
+
+
33
+
+if (cpid == 0)
34
+
+ {
35
+
+ // Redirect STDERR/STDOUT to /dev/null
36
+
+ int oldfd_stderr, oldfd_stdout;
37
+
+ oldfd_stdout = dup (fileno (stdout));
38
+
+ if (oldfd_stdout == -1)
39
+
+ {
40
+
+ perror ("dup for stdout");
41
+
+ _exit (127);
42
+
+ }
43
+
+ oldfd_stderr = dup (fileno (stderr));
44
+
+ if (oldfd_stderr == -1)
45
+
+ {
46
+
+ perror ("dup for stderr");
47
+
+ _exit (127);
48
+
+ }
49
+
+ if (freopen (DEVNULL, "w", stdout) == NULL)
50
+
+ {
51
+
+ perror ("freopen " DEVNULL " for stdout");
52
+
+ _exit (127);
53
+
+ }
54
+
+ if (freopen (DEVNULL, "w", stderr) == NULL)
55
+
+ {
56
+
+ perror ("freopen " DEVNULL " for stderr");
57
+
+ _exit (127);
58
+
+ }
59
+
+ execlp ("unzip", "unzip", "-qqtP", pw, file_path[0], NULL);
60
+
+
61
+
+ // When execlp failed.
62
+
+ // Restores the stderr/stdout redirection to print an error.
63
+
+ int errno_saved = errno;
64
+
+ dup2 (oldfd_stderr, fileno (stderr));
65
+
+ dup2 (oldfd_stdout, fileno (stdout));
66
+
+ close (oldfd_stderr);
67
+
+ close (oldfd_stdout);
68
+
+ errno = errno_saved;
69
+
+ perror ("execlp for unzip");
70
+
+ _exit (127); // Returns 127 on error as system(3) does
71
+
+ }
72
+
73
+
- sprintf (buff, "unzip -qqtP \"%s\" %s " DEVNULL, pw, file_path[0]);
74
+
- status = system (buff);
75
+
-
76
+
-#undef REDIR
77
+
+ int status;
78
+
79
+
- if (status == EXIT_SUCCESS)
80
+
+ if (waitpid (cpid, &status, 0) == -1)
81
+
{
82
+
- printf("\n\nPASSWORD FOUND!!!!: pw == %s\n", pw);
83
+
+ perror ("waitpid");
84
+
+ exit (EXIT_FAILURE);
85
+
+ }
86
+
+
87
+
+ // The child process does not terminated normally, OR returns the exit status 127.
88
+
+ if (!WIFEXITED (status)
89
+
+ || (WIFEXITED (status) && (WEXITSTATUS (status) == 127)))
90
+
+ {
91
+
+ fprintf (stderr, "Executing unzip failed.\n");
92
+
+ exit (EXIT_FAILURE);
93
+
+ }
94
+
+// unzip exited normally with the exit status 0 then...
95
+
+ if (WIFEXITED (status) && (WEXITSTATUS (status) == EXIT_SUCCESS))
96
+
+ {
97
+
+ printf ("\n\nPASSWORD FOUND!!!!: pw == %s\n", pw);
98
+
exit (EXIT_SUCCESS);
99
+
}
100
+
101
+
- return !status;
102
+
+ return 0;
103
+
}
104
+
105
+
/* misc. callbacks. */
+2
pkgs/top-level/all-packages.nix
+2
pkgs/top-level/all-packages.nix