36 lines
631 B
C
36 lines
631 B
C
/* vi: set sw=4 ts=4: */
|
|
/*
|
|
* Licensed under GPLv2 or later, see file LICENSE in this source tree.
|
|
*/
|
|
#include "libbb.h"
|
|
#include "bb_archive.h"
|
|
|
|
const char* FAST_FUNC strip_unsafe_prefix(const char *str)
|
|
{
|
|
const char *cp = str;
|
|
while (1) {
|
|
char *cp2;
|
|
if (*cp == '/') {
|
|
cp++;
|
|
continue;
|
|
}
|
|
if (is_prefixed_with(cp, "/../"+1)) {
|
|
cp += 3;
|
|
continue;
|
|
}
|
|
cp2 = strstr(cp, "/../");
|
|
if (!cp2)
|
|
break;
|
|
cp = cp2 + 4;
|
|
}
|
|
if (cp != str) {
|
|
static smallint warned = 0;
|
|
if (!warned) {
|
|
warned = 1;
|
|
bb_error_msg("removing leading '%.*s' from member names",
|
|
(int)(cp - str), str);
|
|
}
|
|
}
|
|
return cp;
|
|
}
|