116 lines
2.7 KiB
C++
116 lines
2.7 KiB
C++
// RUN: %clangxx %s -o %t && %run %t
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#include <assert.h>
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#include <grp.h>
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#include <memory>
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#include <pwd.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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std::unique_ptr<char []> any_group;
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const int N = 123456;
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void Check(const char *str) {
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if (!str)
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return;
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assert(strlen(str) != N);
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}
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void Check(const passwd *result) {
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Check(result->pw_name);
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Check(result->pw_passwd);
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assert(result->pw_uid != N);
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assert(result->pw_gid != N);
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#if !defined(__ANDROID__)
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Check(result->pw_gecos);
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#endif
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Check(result->pw_dir);
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#if defined(__APPLE__) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__)
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assert(result->pw_change != N);
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Check(result->pw_class);
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assert(result->pw_expire != N);
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#endif
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#if defined(__FreeBSD__)
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assert(result->pw_fields != N);
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#endif
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// SunOS also has pw_age and pw_comment which are documented as unused.
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}
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void Check(const group *result) {
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Check(result->gr_name);
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Check(result->gr_passwd);
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assert(result->gr_gid != N);
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for (char **mem = result->gr_mem; *mem; ++mem)
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Check(*mem);
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if (!any_group) {
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auto length = strlen(result->gr_name);
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any_group.reset(new char[length + 1]);
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memcpy(any_group.get(), result->gr_name, length + 1);
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}
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}
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template <class T, class Fn, class... Args>
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void test(Fn f, Args... args) {
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T *result = f(args...);
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Check(result);
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}
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template <class T, class Fn, class... Args>
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void test_r(Fn f, Args... args) {
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T gr;
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T *result;
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char buff[10000];
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assert(!f(args..., &gr, buff, sizeof(buff), &result));
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Check(&gr);
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Check(result);
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}
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int main(int argc, const char *argv[]) {
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test<passwd>(&getpwuid, 0);
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test<passwd>(&getpwnam, "root");
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test<group>(&getgrgid, 0);
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test<group>(&getgrnam, any_group.get());
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#if !defined(__ANDROID__)
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setpwent();
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test<passwd>(&getpwent);
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setgrent();
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test<group>(&getgrent);
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#if !defined(__APPLE__) && !(defined(__sun__) && defined(__svr4__))
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setpwent();
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test_r<passwd>(&getpwent_r);
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setgrent();
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test_r<group>(&getgrent_r);
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#endif
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test_r<passwd>(&getpwuid_r, 0);
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test_r<passwd>(&getpwnam_r, "root");
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test_r<group>(&getgrgid_r, 0);
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test_r<group>(&getgrnam_r, any_group.get());
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#if defined(__linux__)
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auto pwd_file = [] {
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return std::unique_ptr<FILE, decltype(&fclose)>(fopen("/etc/passwd", "r"),
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&fclose);
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};
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auto gr_file = [] {
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return std::unique_ptr<FILE, decltype(&fclose)>(fopen("/etc/group", "r"),
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&fclose);
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};
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test<passwd>(&fgetpwent, pwd_file().get());
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test<group>(&fgetgrent, gr_file().get());
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test_r<passwd>(&fgetpwent_r, pwd_file().get());
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test_r<group>(&fgetgrent_r, gr_file().get());
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#endif
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#endif // __ANDROID__
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return 0;
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}
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