| Ted Kremenek | 033a07e | 2011-08-03 23:14:55 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -analyze -analyzer-checker=experimental.unix.Chroot -analyzer-store region -verify %s |
| Zhongxing Xu | 1c9e6b1 | 2010-10-10 05:45:30 +0000 | [diff] [blame] | 2 | |
| 3 | extern int chroot(const char* path); |
| 4 | extern int chdir(const char* path); |
| 5 | |
| 6 | void foo(void) { |
| 7 | } |
| 8 | |
| 9 | void f1(void) { |
| 10 | chroot("/usr/local"); // root changed. |
| 11 | foo(); // expected-warning {{No call of chdir("/") immediately after chroot}} |
| 12 | } |
| 13 | |
| 14 | void f2(void) { |
| 15 | chroot("/usr/local"); // root changed. |
| 16 | chdir("/"); // enter the jail. |
| 17 | foo(); // no-warning |
| 18 | } |
| 19 | |
| 20 | void f3(void) { |
| 21 | chroot("/usr/local"); // root changed. |
| 22 | chdir("../"); // change working directory, still out of jail. |
| 23 | foo(); // expected-warning {{No call of chdir("/") immediately after chroot}} |
| 24 | } |