Last change
on this file since 3772 was 3621, checked in by Bruno Cornec, 8 years ago |
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
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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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