Commit | Line | Data |
a0d0e21e |
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 |
7 | #include "EXTERN.h" |
8 | #include "perl.h" |
9 | |
10 | void |
79072805 |
11 | taint_proper(f, s) |
71be2cbc |
12 | const char *f; |
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13 | char *s; |
14 | { |
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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); |
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30 | } |
31 | } |
32 | |
33 | void |
34 | taint_env() |
35 | { |
36 | SV** svp; |
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37 | MAGIC *mg = 0; |
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38 | |
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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}"); |
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48 | } |
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49 | |
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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 | } |