![Bernd Kuhls](/assets/img/avatar_default.png)
Removed patch 0003, upstream fixes configure.in. Added patch from Fedora to fix OpenSSL 1.1.x. build. Added upstream hashes and license hash. Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
295 lines
9.5 KiB
Diff
295 lines
9.5 KiB
Diff
Fix build with OpenSSL 1.1.x
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Extracted vtun-openssl.patch from
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http://dl.fedoraproject.org/pub/fedora/linux/releases/27/Everything/source/tree/Packages/v/vtun-3.0.4-4.fc27.src.rpm
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Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
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diff -NarU5 a/lfd_encrypt.c b/lfd_encrypt.c
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--- a/lfd_encrypt.c 2016-10-01 17:27:51.000000000 -0400
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+++ b/lfd_encrypt.c 2017-03-20 08:43:48.013308435 -0400
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@@ -93,15 +93,15 @@
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static int dec_init_first_time;
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static unsigned long sequence_num;
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static char * pkey;
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static char * iv_buf;
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-static EVP_CIPHER_CTX ctx_enc; /* encrypt */
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-static EVP_CIPHER_CTX ctx_dec; /* decrypt */
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+static EVP_CIPHER_CTX *ctx_enc; /* encrypt */
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+static EVP_CIPHER_CTX *ctx_dec; /* decrypt */
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-static EVP_CIPHER_CTX ctx_enc_ecb; /* sideband ecb encrypt */
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-static EVP_CIPHER_CTX ctx_dec_ecb; /* sideband ecb decrypt */
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+static EVP_CIPHER_CTX *ctx_enc_ecb; /* sideband ecb encrypt */
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+static EVP_CIPHER_CTX *ctx_dec_ecb; /* sideband ecb decrypt */
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static int send_msg(int len, char *in, char **out);
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static int recv_msg(int len, char *in, char **out);
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static int send_ib_mesg(int *len, char **in);
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static int recv_ib_mesg(int *len, char **in);
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@@ -180,37 +180,37 @@
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case VTUN_ENC_AES256CBC:
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blocksize = 16;
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keysize = 32;
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sb_init = 1;
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cipher_type = EVP_aes_256_ecb();
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- pctx_enc = &ctx_enc_ecb;
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- pctx_dec = &ctx_dec_ecb;
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+ pctx_enc = ctx_enc_ecb;
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+ pctx_dec = ctx_dec_ecb;
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break;
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case VTUN_ENC_AES256ECB:
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blocksize = 16;
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keysize = 32;
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- pctx_enc = &ctx_enc;
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- pctx_dec = &ctx_dec;
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+ pctx_enc = ctx_enc;
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+ pctx_dec = ctx_dec;
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cipher_type = EVP_aes_256_ecb();
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strcpy(cipher_name,"AES-256-ECB");
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break;
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case VTUN_ENC_AES128OFB:
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case VTUN_ENC_AES128CFB:
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case VTUN_ENC_AES128CBC:
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blocksize = 16;
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keysize = 16;
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sb_init=1;
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cipher_type = EVP_aes_128_ecb();
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- pctx_enc = &ctx_enc_ecb;
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- pctx_dec = &ctx_dec_ecb;
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+ pctx_enc = ctx_enc_ecb;
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+ pctx_dec = ctx_dec_ecb;
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break;
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case VTUN_ENC_AES128ECB:
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blocksize = 16;
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keysize = 16;
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- pctx_enc = &ctx_enc;
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- pctx_dec = &ctx_dec;
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+ pctx_enc = ctx_enc;
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+ pctx_dec = ctx_dec;
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cipher_type = EVP_aes_128_ecb();
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strcpy(cipher_name,"AES-128-ECB");
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break;
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case VTUN_ENC_BF256OFB:
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@@ -219,20 +219,20 @@
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blocksize = 8;
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keysize = 32;
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var_key = 1;
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sb_init = 1;
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cipher_type = EVP_bf_ecb();
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- pctx_enc = &ctx_enc_ecb;
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- pctx_dec = &ctx_dec_ecb;
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+ pctx_enc = ctx_enc_ecb;
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+ pctx_dec = ctx_dec_ecb;
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break;
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case VTUN_ENC_BF256ECB:
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blocksize = 8;
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keysize = 32;
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var_key = 1;
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- pctx_enc = &ctx_enc;
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- pctx_dec = &ctx_dec;
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+ pctx_enc = ctx_enc;
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+ pctx_dec = ctx_dec;
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cipher_type = EVP_bf_ecb();
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strcpy(cipher_name,"Blowfish-256-ECB");
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break;
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case VTUN_ENC_BF128OFB:
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@@ -241,26 +241,28 @@
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blocksize = 8;
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keysize = 16;
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var_key = 1;
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sb_init = 1;
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cipher_type = EVP_bf_ecb();
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- pctx_enc = &ctx_enc_ecb;
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- pctx_dec = &ctx_dec_ecb;
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+ pctx_enc = ctx_enc_ecb;
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+ pctx_dec = ctx_dec_ecb;
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break;
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case VTUN_ENC_BF128ECB: /* blowfish 128 ecb is the default */
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default:
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blocksize = 8;
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keysize = 16;
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var_key = 1;
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- pctx_enc = &ctx_enc;
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- pctx_dec = &ctx_dec;
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+ pctx_enc = ctx_enc;
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+ pctx_dec = ctx_dec;
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cipher_type = EVP_bf_ecb();
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strcpy(cipher_name,"Blowfish-128-ECB");
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break;
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} /* switch(host->cipher) */
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if (prep_key(&pkey, keysize, host) != 0) return -1;
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+ pctx_enc = EVP_CIPHER_CTX_new();
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+ pctx_dec = EVP_CIPHER_CTX_new();
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EVP_CIPHER_CTX_init(pctx_enc);
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EVP_CIPHER_CTX_init(pctx_dec);
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EVP_EncryptInit_ex(pctx_enc, cipher_type, NULL, NULL, NULL);
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EVP_DecryptInit_ex(pctx_dec, cipher_type, NULL, NULL, NULL);
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if (var_key)
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@@ -292,14 +294,14 @@
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free_key(pkey); pkey = NULL;
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lfd_free(enc_buf); enc_buf = NULL;
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lfd_free(dec_buf); dec_buf = NULL;
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- EVP_CIPHER_CTX_cleanup(&ctx_enc);
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- EVP_CIPHER_CTX_cleanup(&ctx_dec);
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- EVP_CIPHER_CTX_cleanup(&ctx_enc_ecb);
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- EVP_CIPHER_CTX_cleanup(&ctx_dec_ecb);
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+ EVP_CIPHER_CTX_free(ctx_enc);
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+ EVP_CIPHER_CTX_free(ctx_dec);
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+ EVP_CIPHER_CTX_free(ctx_enc_ecb);
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+ EVP_CIPHER_CTX_free(ctx_dec_ecb);
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return 0;
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}
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static int encrypt_buf(int len, char *in, char **out)
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@@ -321,11 +323,11 @@
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memset(in_ptr+len, pad, pad);
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outlen=len+pad;
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if (pad == blocksize)
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RAND_bytes(in_ptr+len, blocksize-1);
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- EVP_EncryptUpdate(&ctx_enc, out_ptr, &outlen, in_ptr, len+pad);
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+ EVP_EncryptUpdate(ctx_enc, out_ptr, &outlen, in_ptr, len+pad);
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*out = enc_buf;
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sequence_num++;
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return outlen+msg_len;
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@@ -341,11 +343,11 @@
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in = *out;
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in_ptr = in;
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outlen=len;
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if (!len) return 0;
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- EVP_DecryptUpdate(&ctx_dec, out_ptr, &outlen, in_ptr, len);
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+ EVP_DecryptUpdate(ctx_dec, out_ptr, &outlen, in_ptr, len);
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recv_ib_mesg(&outlen, &out_ptr);
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if (!outlen) return 0;
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tmp_ptr = out_ptr + outlen; tmp_ptr--;
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pad = *tmp_ptr;
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if (pad < 1 || pad > blocksize) {
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@@ -429,17 +431,18 @@
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/* if we're here, something weird's going on */
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return -1;
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break;
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} /* switch(cipher) */
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- EVP_CIPHER_CTX_init(&ctx_enc);
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- EVP_EncryptInit_ex(&ctx_enc, cipher_type, NULL, NULL, NULL);
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+ ctx_enc = EVP_CIPHER_CTX_new();
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+ EVP_CIPHER_CTX_init(ctx_enc);
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+ EVP_EncryptInit_ex(ctx_enc, cipher_type, NULL, NULL, NULL);
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if (var_key)
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- EVP_CIPHER_CTX_set_key_length(&ctx_enc, keysize);
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- EVP_EncryptInit_ex(&ctx_enc, NULL, NULL, pkey, NULL);
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- EVP_EncryptInit_ex(&ctx_enc, NULL, NULL, NULL, iv);
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- EVP_CIPHER_CTX_set_padding(&ctx_enc, 0);
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+ EVP_CIPHER_CTX_set_key_length(ctx_enc, keysize);
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+ EVP_EncryptInit_ex(ctx_enc, NULL, NULL, pkey, NULL);
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+ EVP_EncryptInit_ex(ctx_enc, NULL, NULL, NULL, iv);
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+ EVP_CIPHER_CTX_set_padding(ctx_enc, 0);
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if (enc_init_first_time)
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{
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sprintf(tmpstr,"%s encryption initialized", cipher_name);
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vtun_syslog(LOG_INFO, tmpstr);
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enc_init_first_time = 0;
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@@ -519,17 +522,18 @@
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/* if we're here, something weird's going on */
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return -1;
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break;
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} /* switch(cipher) */
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- EVP_CIPHER_CTX_init(&ctx_dec);
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- EVP_DecryptInit_ex(&ctx_dec, cipher_type, NULL, NULL, NULL);
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+ ctx_dec = EVP_CIPHER_CTX_new();
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+ EVP_CIPHER_CTX_init(ctx_dec);
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+ EVP_DecryptInit_ex(ctx_dec, cipher_type, NULL, NULL, NULL);
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if (var_key)
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- EVP_CIPHER_CTX_set_key_length(&ctx_dec, keysize);
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- EVP_DecryptInit_ex(&ctx_dec, NULL, NULL, pkey, NULL);
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- EVP_DecryptInit_ex(&ctx_dec, NULL, NULL, NULL, iv);
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- EVP_CIPHER_CTX_set_padding(&ctx_dec, 0);
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+ EVP_CIPHER_CTX_set_key_length(ctx_dec, keysize);
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+ EVP_DecryptInit_ex(ctx_dec, NULL, NULL, pkey, NULL);
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+ EVP_DecryptInit_ex(ctx_dec, NULL, NULL, NULL, iv);
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+ EVP_CIPHER_CTX_set_padding(ctx_dec, 0);
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if (dec_init_first_time)
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{
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sprintf(tmpstr,"%s decryption initialized", cipher_name);
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vtun_syslog(LOG_INFO, tmpstr);
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dec_init_first_time = 0;
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@@ -557,11 +561,11 @@
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memset(iv,0,blocksize); free(iv); iv = NULL;
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RAND_bytes(in_ptr, in - in_ptr);
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in_ptr = in - blocksize*2;
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outlen = blocksize*2;
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- EVP_EncryptUpdate(&ctx_enc_ecb, in_ptr,
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+ EVP_EncryptUpdate(ctx_enc_ecb, in_ptr,
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&outlen, in_ptr, blocksize*2);
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*out = in_ptr;
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len = outlen;
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cipher_enc_state = CIPHER_SEQUENCE;
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break;
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@@ -584,11 +588,11 @@
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{
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case CIPHER_INIT:
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in_ptr = in;
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iv = malloc(blocksize);
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outlen = blocksize*2;
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- EVP_DecryptUpdate(&ctx_dec_ecb, in_ptr, &outlen, in_ptr, blocksize*2);
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+ EVP_DecryptUpdate(ctx_dec_ecb, in_ptr, &outlen, in_ptr, blocksize*2);
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if ( !strncmp(in_ptr, "ivec", 4) )
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{
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memcpy(iv, in_ptr+4, blocksize);
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cipher_dec_init(iv);
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@@ -627,11 +631,11 @@
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"Max. gibberish threshold reached");
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#endif
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if (cipher_enc_state != CIPHER_INIT)
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{
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cipher_enc_state = CIPHER_INIT;
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- EVP_CIPHER_CTX_cleanup(&ctx_enc);
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+ EVP_CIPHER_CTX_free(ctx_enc);
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#ifdef LFD_ENCRYPT_DEBUG
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vtun_syslog(LOG_INFO,
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"Forcing local encryptor re-init");
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#endif
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}
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@@ -708,11 +712,11 @@
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*len -= blocksize;
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if (cipher_enc_state != CIPHER_INIT)
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{
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cipher_enc_state = CIPHER_INIT;
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- EVP_CIPHER_CTX_cleanup(&ctx_enc);
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+ EVP_CIPHER_CTX_free(ctx_enc);
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}
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#ifdef LFD_ENCRYPT_DEBUG
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vtun_syslog(LOG_INFO, "Remote requests encryptor re-init");
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#endif
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}
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@@ -722,11 +726,11 @@
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if (cipher_dec_state != CIPHER_INIT &&
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cipher_enc_state != CIPHER_REQ_INIT &&
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cipher_enc_state != CIPHER_INIT)
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{
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- EVP_CIPHER_CTX_cleanup (&ctx_dec);
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+ EVP_CIPHER_CTX_free (ctx_dec);
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cipher_dec_state = CIPHER_INIT;
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cipher_enc_state = CIPHER_REQ_INIT;
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}
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#ifdef LFD_ENCRYPT_DEBUG
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vtun_syslog(LOG_INFO, "Local decryptor out of sync");
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