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test.c: Try to create a more random temporary directory for our workspace (re: Bug#8638)

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This commit is contained in:
Peter Palfrader 2013-04-04 18:05:14 +02:00 committed by Nick Mathewson
parent 33b7083f26
commit d1dc23c938
2 changed files with 12 additions and 4 deletions
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3
changes/bug8638 Normal file
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@ -0,0 +1,3 @@
o Minor features
In our testsuite, create temporary directories with a bit more entropy
in their name to make name collissions less likely. Fixes bug 8638.

13
src/test/test.c
View File

@ -88,8 +88,14 @@ setup_directory(void)
{
static int is_setup = 0;
int r;
char rnd[256], rnd32[256];
if (is_setup) return;
/* Due to base32 limitation needs to be a multiple of 5. */
#define RAND_PATH_BYTES 5
crypto_rand(rnd, RAND_PATH_BYTES);
base32_encode(rnd32, sizeof(rnd32), rnd, RAND_PATH_BYTES);
#ifdef _WIN32
{
char buf[MAX_PATH];
@ -98,11 +104,11 @@ setup_directory(void)
if (!GetTempPathA(sizeof(buf),buf))
tmp = "c:\\windows\\temp";
tor_snprintf(temp_dir, sizeof(temp_dir),
"%s\\tor_test_%d", tmp, (int)getpid());
"%s\\tor_test_%d_%s", tmp, (int)getpid(), rnd32);
r = mkdir(temp_dir);
}
#else
tor_snprintf(temp_dir, sizeof(temp_dir), "/tmp/tor_test_%d", (int) getpid());
tor_snprintf(temp_dir, sizeof(temp_dir), "/tmp/tor_test_%d_%s", (int) getpid(), rnd32);
r = mkdir(temp_dir, 0700);
#endif
if (r) {
@ -2094,6 +2100,7 @@ main(int c, const char **v)
return 1;
}
crypto_set_tls_dh_prime(NULL);
crypto_seed_rng(1);
rep_hist_init();
network_init();
setup_directory();
@ -2106,8 +2113,6 @@ main(int c, const char **v)
return 1;
}
crypto_seed_rng(1);
atexit(remove_directory);
have_failed = (tinytest_main(c, v, testgroups) != 0);