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| author | Andreas Schultz <[email protected]> | 2016-09-14 10:05:20 +0200 |
|---|---|---|
| committer | Andreas Schultz <[email protected]> | 2016-09-22 11:11:25 +0200 |
| commit | 25c665f745bce31cc89e9f48980c7a9683259259 (patch) | |
| tree | 863d55a0132a994d1a3acb9a80bee75144579d64 /lib/crypto/c_src/crypto.c | |
| parent | e6059f94571a6c968c15b9de6b7d63ebd64f9acf (diff) | |
| download | otp-25c665f745bce31cc89e9f48980c7a9683259259.tar.gz otp-25c665f745bce31cc89e9f48980c7a9683259259.tar.bz2 otp-25c665f745bce31cc89e9f48980c7a9683259259.zip | |
Fix compilation when OpenSSL doesn't support RC4
When OpenSSL has been configured with the "no-rc4" option, the header
file rc4.h doesn't exist, and neither does the rc4 functions.
Let's handle those by checking whether OPENSSL_NO_RC4 is defined.
Diffstat (limited to 'lib/crypto/c_src/crypto.c')
| -rw-r--r-- | lib/crypto/c_src/crypto.c | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/lib/crypto/c_src/crypto.c b/lib/crypto/c_src/crypto.c index 00fc81c84f..63597a5ede 100644 --- a/lib/crypto/c_src/crypto.c +++ b/lib/crypto/c_src/crypto.c @@ -50,7 +50,9 @@ #include <openssl/ripemd.h> #include <openssl/bn.h> #include <openssl/objects.h> +#ifndef OPENSSL_NO_RC4 #include <openssl/rc4.h> +#endif /* OPENSSL_NO_RC4 */ #include <openssl/rc2.h> #include <openssl/blowfish.h> #include <openssl/rand.h> @@ -828,7 +830,9 @@ static void init_algorithms_types(ErlNifEnv* env) algo_cipher[algo_cipher_cnt++] = enif_make_atom(env,"blowfish_ofb64"); algo_cipher[algo_cipher_cnt++] = enif_make_atom(env,"blowfish_ecb"); algo_cipher[algo_cipher_cnt++] = enif_make_atom(env,"rc2_cbc"); +#ifndef OPENSSL_NO_RC4 algo_cipher[algo_cipher_cnt++] = enif_make_atom(env,"rc4"); +#endif #if defined(HAVE_GCM) algo_cipher[algo_cipher_cnt++] = enif_make_atom(env,"aes_gcm"); #endif @@ -2327,6 +2331,7 @@ static ERL_NIF_TERM do_exor(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) static ERL_NIF_TERM rc4_encrypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) {/* (Key, Data) */ +#ifndef OPENSSL_NO_RC4 ErlNifBinary key, data; RC4_KEY rc4_key; ERL_NIF_TERM ret; @@ -2340,10 +2345,14 @@ static ERL_NIF_TERM rc4_encrypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM arg enif_make_new_binary(env, data.size, &ret)); CONSUME_REDS(env,data); return ret; -} +#else + return enif_raise_exception(env, atom_notsup); +#endif +} static ERL_NIF_TERM rc4_set_key(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) {/* (Key) */ +#ifndef OPENSSL_NO_RC4 ErlNifBinary key; ERL_NIF_TERM ret; @@ -2353,11 +2362,14 @@ static ERL_NIF_TERM rc4_set_key(ErlNifEnv* env, int argc, const ERL_NIF_TERM arg RC4_set_key((RC4_KEY*)enif_make_new_binary(env, sizeof(RC4_KEY), &ret), key.size, key.data); return ret; +#else + return enif_raise_exception(env, atom_notsup); +#endif } static ERL_NIF_TERM rc4_encrypt_with_state(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) {/* (State, Data) */ - +#ifndef OPENSSL_NO_RC4 ErlNifBinary state, data; RC4_KEY* rc4_key; ERL_NIF_TERM new_state, new_data; @@ -2373,7 +2385,10 @@ static ERL_NIF_TERM rc4_encrypt_with_state(ErlNifEnv* env, int argc, const ERL_N enif_make_new_binary(env, data.size, &new_data)); CONSUME_REDS(env,data); return enif_make_tuple2(env,new_state,new_data); -} +#else + return enif_raise_exception(env, atom_notsup); +#endif +} static int get_rsa_private_key(ErlNifEnv* env, ERL_NIF_TERM key, RSA *rsa) { |