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Last change
on this file since 3621 was 3621, checked in by Bruno Cornec, 7 years ago |
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New 3?3 banch for incorporation of latest busybox 1.25. Changing minor version to handle potential incompatibilities.
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-
Property svn:eol-style
set to
native
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File size:
632 bytes
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| 1 | /* vi: set sw=4 ts=4: */
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| 2 | /*
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| 3 | * Licensed under GPLv2 or later, see file LICENSE in this source tree.
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| 4 | */
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| 5 |
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| 6 | #include "libbb.h"
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| 7 | #include "bb_archive.h"
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| 8 |
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| 9 | const char* FAST_FUNC strip_unsafe_prefix(const char *str)
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| 10 | {
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| 11 | const char *cp = str;
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| 12 | while (1) {
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| 13 | char *cp2;
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| 14 | if (*cp == '/') {
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| 15 | cp++;
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| 16 | continue;
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| 17 | }
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| 18 | if (is_prefixed_with(cp, "/../"+1)) {
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| 19 | cp += 3;
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| 20 | continue;
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| 21 | }
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| 22 | cp2 = strstr(cp, "/../");
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| 23 | if (!cp2)
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| 24 | break;
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| 25 | cp = cp2 + 4;
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| 26 | }
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| 27 | if (cp != str) {
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| 28 | static smallint warned = 0;
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| 29 | if (!warned) {
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| 30 | warned = 1;
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| 31 | bb_error_msg("removing leading '%.*s' from member names",
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| 32 | (int)(cp - str), str);
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| 33 | }
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| 34 | }
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| 35 | return cp;
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| 36 | }
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