Adding upstream version 0.0~git20221206.8b7148f.upstream/0.0_git20221206.8b7148f

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 23 insertions, 0 deletions

diff --git a/libc-top-half/musl/src/crypt/crypt_r.c b/libc-top-half/musl/src/crypt/crypt_r.c
new file mode 100644
index 0000000..db6015e
--- /dev/null
+++ b/libc-top-half/musl/src/crypt/crypt_r.c
@@ -0,0 +1,23 @@
+#include <crypt.h>
+
+char *__crypt_r(const char *key, const char *salt, struct crypt_data *data)
+{
+	/* Per the crypt_r API, the caller has provided a pointer to
+	 * struct crypt_data; however, this implementation does not
+	 * use the structure to store any internal state, and treats
+	 * it purely as a char buffer for storing the result. */
+	char *output = (char *)data;
+	if (salt[0] == '$' && salt[1] && salt[2]) {
+		if (salt[1] == '1' && salt[2] == '$')
+			return __crypt_md5(key, salt, output);
+		if (salt[1] == '2' && salt[3] == '$')
+			return __crypt_blowfish(key, salt, output);
+		if (salt[1] == '5' && salt[2] == '$')
+			return __crypt_sha256(key, salt, output);
+		if (salt[1] == '6' && salt[2] == '$')
+			return __crypt_sha512(key, salt, output);
+	}
+	return __crypt_des(key, salt, output);
+}
+
+weak_alias(__crypt_r, crypt_r);