| /* 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; |
| } |
