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-rw-r--r--pkg/pyinst/cryptography/osrandom_engine.c167
-rw-r--r--pkg/pyinst/cryptography/osrandom_engine.h6
2 files changed, 0 insertions, 173 deletions
diff --git a/pkg/pyinst/cryptography/osrandom_engine.c b/pkg/pyinst/cryptography/osrandom_engine.c
deleted file mode 100644
index 27894712..00000000
--- a/pkg/pyinst/cryptography/osrandom_engine.c
+++ /dev/null
@@ -1,167 +0,0 @@
-static const char *Cryptography_osrandom_engine_id = "osrandom";
-static const char *Cryptography_osrandom_engine_name = "osrandom_engine";
-
-#if defined(_WIN32)
-static HCRYPTPROV hCryptProv = 0;
-
-static int osrandom_init(ENGINE *e) {
- if (hCryptProv > 0) {
- return 1;
- }
- if (CryptAcquireContext(&hCryptProv, NULL, NULL,
- PROV_RSA_FULL, CRYPT_VERIFYCONTEXT)) {
- return 1;
- } else {
- return 0;
- }
-}
-
-static int osrandom_rand_bytes(unsigned char *buffer, int size) {
- if (hCryptProv == 0) {
- return 0;
- }
-
- if (!CryptGenRandom(hCryptProv, (DWORD)size, buffer)) {
- ERR_put_error(
- ERR_LIB_RAND, 0, ERR_R_RAND_LIB, "osrandom_engine.py", 0
- );
- return 0;
- }
- return 1;
-}
-
-static int osrandom_finish(ENGINE *e) {
- if (CryptReleaseContext(hCryptProv, 0)) {
- hCryptProv = 0;
- return 1;
- } else {
- return 0;
- }
-}
-
-static int osrandom_rand_status(void) {
- if (hCryptProv == 0) {
- return 0;
- } else {
- return 1;
- }
-}
-#else
-static int urandom_fd = -1;
-
-static int osrandom_finish(ENGINE *e);
-
-static int osrandom_init(ENGINE *e) {
- if (urandom_fd > -1) {
- return 1;
- }
- urandom_fd = open("/dev/urandom", O_RDONLY);
- if (urandom_fd > -1) {
- int flags = fcntl(urandom_fd, F_GETFD);
- if (flags == -1) {
- osrandom_finish(e);
- return 0;
- } else if (fcntl(urandom_fd, F_SETFD, flags | FD_CLOEXEC) == -1) {
- osrandom_finish(e);
- return 0;
- }
- return 1;
- } else {
- return 0;
- }
-}
-
-static int osrandom_rand_bytes(unsigned char *buffer, int size) {
- ssize_t n;
- while (size > 0) {
- do {
- n = read(urandom_fd, buffer, (size_t)size);
- } while (n < 0 && errno == EINTR);
- if (n <= 0) {
- ERR_put_error(
- ERR_LIB_RAND, 0, ERR_R_RAND_LIB, "osrandom_engine.py", 0
- );
- return 0;
- }
- buffer += n;
- size -= n;
- }
- return 1;
-}
-
-static int osrandom_finish(ENGINE *e) {
- int n;
- do {
- n = close(urandom_fd);
- } while (n < 0 && errno == EINTR);
- urandom_fd = -1;
- if (n < 0) {
- return 0;
- } else {
- return 1;
- }
-}
-
-static int osrandom_rand_status(void) {
- if (urandom_fd == -1) {
- return 0;
- } else {
- return 1;
- }
-}
-#endif
-
-/* This replicates the behavior of the OpenSSL FIPS RNG, which returns a
- -1 in the event that there is an error when calling RAND_pseudo_bytes. */
-static int osrandom_pseudo_rand_bytes(unsigned char *buffer, int size) {
- int res = osrandom_rand_bytes(buffer, size);
- if (res == 0) {
- return -1;
- } else {
- return res;
- }
-}
-
-static RAND_METHOD osrandom_rand = {
- NULL,
- osrandom_rand_bytes,
- NULL,
- NULL,
- osrandom_pseudo_rand_bytes,
- osrandom_rand_status,
-};
-
-/* Returns 1 if successfully added, 2 if engine has previously been added,
- and 0 for error. */
-int Cryptography_add_osrandom_engine(void) {
- ENGINE *e;
- e = ENGINE_by_id(Cryptography_osrandom_engine_id);
- if (e != NULL) {
- ENGINE_free(e);
- return 2;
- } else {
- ERR_clear_error();
- }
-
- e = ENGINE_new();
- if (e == NULL) {
- return 0;
- }
- if(!ENGINE_set_id(e, Cryptography_osrandom_engine_id) ||
- !ENGINE_set_name(e, Cryptography_osrandom_engine_name) ||
- !ENGINE_set_RAND(e, &osrandom_rand) ||
- !ENGINE_set_init_function(e, osrandom_init) ||
- !ENGINE_set_finish_function(e, osrandom_finish)) {
- ENGINE_free(e);
- return 0;
- }
- if (!ENGINE_add(e)) {
- ENGINE_free(e);
- return 0;
- }
- if (!ENGINE_free(e)) {
- return 0;
- }
-
- return 1;
-}
diff --git a/pkg/pyinst/cryptography/osrandom_engine.h b/pkg/pyinst/cryptography/osrandom_engine.h
deleted file mode 100644
index 11a3159e..00000000
--- a/pkg/pyinst/cryptography/osrandom_engine.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifdef _WIN32
-#include <Wincrypt.h>
-#else
-#include <fcntl.h>
-#include <unistd.h>
-#endif