Mercurial > repo

annotate perl-5.22.2/taint.c @ 8045:a16537d2fe07

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
<xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
author HackBot
date Sat, 14 May 2016 14:54:38 +0000
parents
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
8045
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1 /* taint.c
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
2 *
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
3 * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
4 * 2002, 2003, 2004, 2005, 2006, 2007, 2008 by Larry Wall and others
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
5 *
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
6 * You may distribute under the terms of either the GNU General Public
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
7 * License or the Artistic License, as specified in the README file.
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
8 *
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
9 */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
10
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
11 /*
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
12 * '...we will have peace, when you and all your works have perished--and
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
13 * the works of your dark master to whom you would deliver us. You are a
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
14 * liar, Saruman, and a corrupter of men's hearts.' --Théoden
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
15 *
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
16 * [p.580 of _The Lord of the Rings_, III/x: "The Voice of Saruman"]
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
17 */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
18
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
19 /* This file contains a few functions for handling data tainting in Perl
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
20 */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
21
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
22 #include "EXTERN.h"
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
23 #define PERL_IN_TAINT_C
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
24 #include "perl.h"
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
25
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
26 void
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
27 Perl_taint_proper(pTHX_ const char *f, const char *const s)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
28 {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
29 #if defined(HAS_SETEUID) && defined(DEBUGGING)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
30 PERL_ARGS_ASSERT_TAINT_PROPER;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
31
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
32 {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
33 const Uid_t uid = PerlProc_getuid();
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
34 const Uid_t euid = PerlProc_geteuid();
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
35
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
36 #if Uid_t_sign == 1 /* uid_t is unsigned. */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
37 DEBUG_u(PerlIO_printf(Perl_debug_log,
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
38 "%s %d %"UVuf" %"UVuf"\n",
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
39 s, TAINT_get, (UV)uid, (UV)euid));
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
40 #else /* uid_t is signed (Uid_t_sign == -1), or don't know. */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
41 DEBUG_u(PerlIO_printf(Perl_debug_log,
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
42 "%s %d %"IVdf" %"IVdf"\n",
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
43 s, TAINT_get, (IV)uid, (IV)euid));
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
44 #endif
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
45 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
46 #endif
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
47
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
48 if (TAINT_get) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
49 const char *ug;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
50
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
51 if (!f)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
52 f = PL_no_security;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
53 if (PerlProc_getuid() != PerlProc_geteuid())
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
54 ug = " while running setuid";
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
55 else if (PerlProc_getgid() != PerlProc_getegid())
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
56 ug = " while running setgid";
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
57 else if (TAINT_WARN_get)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
58 ug = " while running with -t switch";
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
59 else
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
60 ug = " while running with -T switch";
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
61
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
62 /* XXX because taint_proper adds extra format args, we can't
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
63 * get the caller to check properly; o we just silence the warning
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
64 * and hope the callers aren't naughty */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
65 GCC_DIAG_IGNORE(-Wformat-nonliteral);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
66 if (PL_unsafe || TAINT_WARN_get) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
67 Perl_ck_warner_d(aTHX_ packWARN(WARN_TAINT), f, s, ug);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
68 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
69 else {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
70 Perl_croak(aTHX_ f, s, ug);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
71 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
72 GCC_DIAG_RESTORE;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
73
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
74 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
75 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
76
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
77 void
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
78 Perl_taint_env(pTHX)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
79 {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
80 SV** svp;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
81 MAGIC* mg;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
82 const char* const *e;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
83 static const char* const misc_env[] = {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
84 "IFS", /* most shells' inter-field separators */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
85 "CDPATH", /* ksh dain bramage #1 */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
86 "ENV", /* ksh dain bramage #2 */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
87 "BASH_ENV", /* bash dain bramage -- I guess it's contagious */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
88 #ifdef WIN32
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
89 "PERL5SHELL", /* used for system() on Windows */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
90 #endif
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
91 NULL
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
92 };
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
93
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
94 /* Don't bother if there's no *ENV glob */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
95 if (!PL_envgv)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
96 return;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
97 /* If there's no %ENV hash or if it's not magical, croak, because
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
98 * it probably doesn't reflect the actual environment */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
99 if (!GvHV(PL_envgv) || !(SvRMAGICAL(GvHV(PL_envgv))
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
100 && mg_find((const SV *)GvHV(PL_envgv), PERL_MAGIC_env))) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
101 const bool was_tainted = TAINT_get;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
102 const char * const name = GvENAME(PL_envgv);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
103 TAINT;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
104 if (strEQ(name,"ENV"))
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
105 /* hash alias */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
106 taint_proper("%%ENV is aliased to %s%s", "another variable");
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
107 else
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
108 /* glob alias: report it in the error message */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
109 taint_proper("%%ENV is aliased to %%%s%s", name);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
110 /* this statement is reached under -t or -U */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
111 TAINT_set(was_tainted);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
112 #ifdef NO_TAINT_SUPPORT
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
113 PERL_UNUSED_VAR(was_tainted);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
114 #endif
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
115 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
116
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
117 #ifdef VMS
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
118 {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
119 int i = 0;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
120 char name[10 + TYPE_DIGITS(int)] = "DCL$PATH";
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
121 STRLEN len = 8; /* strlen(name) */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
122
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
123 while (1) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
124 if (i)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
125 len = my_sprintf(name,"DCL$PATH;%d", i);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
126 svp = hv_fetch(GvHVn(PL_envgv), name, len, FALSE);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
127 if (!svp || *svp == &PL_sv_undef)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
128 break;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
129 if (SvTAINTED(*svp)) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
130 TAINT;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
131 taint_proper("Insecure %s%s", "$ENV{DCL$PATH}");
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
132 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
133 if ((mg = mg_find(*svp, PERL_MAGIC_envelem)) && MgTAINTEDDIR(mg)) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
134 TAINT;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
135 taint_proper("Insecure directory in %s%s", "$ENV{DCL$PATH}");
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
136 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
137 i++;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
138 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
139 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
140 #endif /* VMS */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
141
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
142 svp = hv_fetchs(GvHVn(PL_envgv),"PATH",FALSE);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
143 if (svp && *svp) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
144 if (SvTAINTED(*svp)) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
145 TAINT;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
146 taint_proper("Insecure %s%s", "$ENV{PATH}");
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
147 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
148 if ((mg = mg_find(*svp, PERL_MAGIC_envelem)) && MgTAINTEDDIR(mg)) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
149 TAINT;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
150 taint_proper("Insecure directory in %s%s", "$ENV{PATH}");
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
151 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
152 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
153
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
154 #ifndef VMS
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
155 /* tainted $TERM is okay if it contains no metachars */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
156 svp = hv_fetchs(GvHVn(PL_envgv),"TERM",FALSE);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
157 if (svp && *svp && SvTAINTED(*svp)) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
158 STRLEN len;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
159 const bool was_tainted = TAINT_get;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
160 const char *t = SvPV_const(*svp, len);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
161 const char * const e = t + len;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
162
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
163 TAINT_set(was_tainted);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
164 #ifdef NO_TAINT_SUPPORT
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
165 PERL_UNUSED_VAR(was_tainted);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
166 #endif
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
167 if (t < e && isWORDCHAR(*t))
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
168 t++;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
169 while (t < e && (isWORDCHAR(*t) || strchr("-_.+", *t)))
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
170 t++;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
171 if (t < e) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
172 TAINT;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
173 taint_proper("Insecure $ENV{%s}%s", "TERM");
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
174 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
175 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
176 #endif /* !VMS */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
177
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
178 for (e = misc_env; *e; e++) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
179 SV * const * const svp = hv_fetch(GvHVn(PL_envgv), *e, strlen(*e), FALSE);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
180 if (svp && *svp != &PL_sv_undef && SvTAINTED(*svp)) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
181 TAINT;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
182 taint_proper("Insecure $ENV{%s}%s", *e);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
183 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
184 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
185 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
186
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
187 /*
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
188 * ex: set ts=8 sts=4 sw=4 et:
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
189 */