24 lines
652 B
C
24 lines
652 B
C
// RUN: %clang_cc1 -analyze -analyzer-checker=alpha.unix.Chroot -analyzer-store region -verify %s
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extern int chroot(const char* path);
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extern int chdir(const char* path);
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void foo(void) {
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}
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void f1(void) {
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chroot("/usr/local"); // root changed.
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foo(); // expected-warning {{No call of chdir("/") immediately after chroot}}
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}
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void f2(void) {
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chroot("/usr/local"); // root changed.
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chdir("/"); // enter the jail.
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foo(); // no-warning
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}
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void f3(void) {
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chroot("/usr/local"); // root changed.
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chdir("../"); // change working directory, still out of jail.
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foo(); // expected-warning {{No call of chdir("/") immediately after chroot}}
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}
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