Commit | Line | Data |
---|---|---|
a0d0e21e LW |
1 | /* |
2 | * "...we will have peace, when you and all your works have perished--and | |
3 | * the works of your dark master to whom you would deliver us. You are a | |
4 | * liar, Saruman, and a corrupter of men's hearts." --Theoden | |
5 | */ | |
6 | ||
463ee0b2 LW |
7 | #include "EXTERN.h" |
8 | #include "perl.h" | |
9 | ||
10 | void | |
79072805 | 11 | taint_proper(f, s) |
71be2cbc | 12 | const char *f; |
79072805 LW |
13 | char *s; |
14 | { | |
bbce6d69 | 15 | char *ug; |
16 | ||
17 | if (tainted) { | |
18 | DEBUG_u(PerlIO_printf(PerlIO_stderr(), | |
19 | "%s %d %d %d\n", s, tainted, uid, euid)); | |
20 | if (euid != uid) | |
21 | ug = " while running setuid"; | |
22 | else if (egid != gid) | |
23 | ug = " while running setgid"; | |
24 | else | |
25 | ug = " while running with -T switch"; | |
26 | if (!unsafe) | |
27 | croak(f, s, ug); | |
28 | else if (dowarn) | |
29 | warn(f, s, ug); | |
79072805 LW |
30 | } |
31 | } | |
32 | ||
33 | void | |
34 | taint_env() | |
35 | { | |
36 | SV** svp; | |
bbce6d69 | 37 | MAGIC *mg = 0; |
79072805 | 38 | |
bbce6d69 | 39 | svp = hv_fetch(GvHVn(envgv),"PATH",4,FALSE); |
40 | if (!svp || *svp == &sv_undef || | |
41 | ((mg = mg_find(*svp, 't')) && mg->mg_len & 1)) | |
42 | { | |
43 | TAINT; | |
44 | if (mg && MgTAINTEDDIR(mg)) | |
45 | taint_proper("Insecure directory in %s%s", "$ENV{PATH}"); | |
46 | else | |
47 | taint_proper("Insecure %s%s", "$ENV{PATH}"); | |
79072805 | 48 | } |
79072805 | 49 | |
bbce6d69 | 50 | svp = hv_fetch(GvHVn(envgv),"IFS",3,FALSE); |
51 | if (svp && *svp != &sv_undef && | |
52 | (mg = mg_find(*svp, 't')) && mg->mg_len & 1) | |
53 | { | |
54 | TAINT; | |
55 | taint_proper("Insecure %s%s", "$ENV{IFS}"); | |
56 | } | |
57 | } |