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crypto: Reverse code blocks in random-platform.c 

Use #ifdef _WIN32 instead of #ifndef _WIN32.
This will make other tests easier to sequence.

Reviewed-by: Laurent Vivier <lvivier@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2019-03-13 20:38:51 -07:00
parent 243dc2cf95
commit 14a356f475
1 changed files with 17 additions and 18 deletions
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35
crypto/random-platform.c
View File

@ -32,7 +32,14 @@ static int fd; /* a file handle to either /dev/urandom or /dev/random */
int qcrypto_random_init(Error **errp)
{
#ifndef _WIN32
#ifdef _WIN32
if (!CryptAcquireContext(&hCryptProv, NULL, NULL, PROV_RSA_FULL,
CRYPT_SILENT | CRYPT_VERIFYCONTEXT)) {
error_setg_win32(errp, GetLastError(),
"Unable to create cryptographic provider");
return -1;
}
#else
/* TBD perhaps also add support for BSD getentropy / Linux
* getrandom syscalls directly */
fd = open("/dev/urandom", O_RDONLY);
@ -44,15 +51,7 @@ int qcrypto_random_init(Error **errp)
error_setg(errp, "No /dev/urandom or /dev/random found");
return -1;
}
#else
if (!CryptAcquireContext(&hCryptProv, NULL, NULL, PROV_RSA_FULL,
CRYPT_SILENT | CRYPT_VERIFYCONTEXT)) {
error_setg_win32(errp, GetLastError(),
"Unable to create cryptographic provider");
return -1;
}
#endif
return 0;
}
@ -60,7 +59,15 @@ int qcrypto_random_bytes(uint8_t *buf G_GNUC_UNUSED,
size_t buflen G_GNUC_UNUSED,
Error **errp)
{
#ifndef _WIN32
#ifdef _WIN32
if (!CryptGenRandom(hCryptProv, buflen, buf)) {
error_setg_win32(errp, GetLastError(),
"Unable to read random bytes");
return -1;
}
return 0;
#else
int ret = -1;
int got;
@ -82,13 +89,5 @@ int qcrypto_random_bytes(uint8_t *buf G_GNUC_UNUSED,
ret = 0;
cleanup:
return ret;
#else
if (!CryptGenRandom(hCryptProv, buflen, buf)) {
error_setg_win32(errp, GetLastError(),
"Unable to read random bytes");
return -1;
}
return 0;
#endif
}