Add OpenSSL 1.1.0 support for saslauthd.

There are the patches to support OpenSSL 1.1.0 in cyrus-sasl2
port, already.  But, it was incomplete for saslauthd.

PR:		231647
Submitted by:	dewayne [...] heuristicsystems.com.au (with some modifications)

1 files changed, 73 insertions, 0 deletions

diff --git a/security/cyrus-sasl2/files/patch-saslauthd_lak.c b/security/cyrus-sasl2/files/patch-saslauthd_lak.c
index 61ab6a2fd534..3c786230b35d 100644
--- a/security/cyrus-sasl2/files/patch-saslauthd_lak.c
+++ b/security/cyrus-sasl2/files/patch-saslauthd_lak.c
@@ -10,3 +10,76 @@
  #endif
  
  #define LDAP_DEPRECATED 1
+@@ -1715,20 +1718,28 @@ static int lak_base64_decode(
+ 
+ 	int rc, i, tlen = 0;
+ 	char *text;
+-	EVP_ENCODE_CTX EVP_ctx;
++	EVP_ENCODE_CTX *enc_ctx = EVP_ENCODE_CTX_new();
++
++	if (enc_ctx == NULL)
++		return LAK_NOMEM;
+ 
+ 	text = (char *)malloc(((strlen(src)+3)/4 * 3) + 1);
+-	if (text == NULL)
++	if (text == NULL) {
++		EVP_ENCODE_CTX_free(enc_ctx);
+ 		return LAK_NOMEM;
++	}
+ 
+-	EVP_DecodeInit(&EVP_ctx);
+-	rc = EVP_DecodeUpdate(&EVP_ctx, text, &i, (char *)src, strlen(src));
++	EVP_DecodeInit(enc_ctx);
++	rc = EVP_DecodeUpdate(enc_ctx, (unsigned char *) text, &i, (const unsigned char *)src, strlen(src));
+ 	if (rc < 0) {
++		EVP_ENCODE_CTX_free(enc_ctx);
+ 		free(text);
+ 		return LAK_FAIL;
+ 	}
+ 	tlen += i;
+-	EVP_DecodeFinal(&EVP_ctx, text, &i); 
++	EVP_DecodeFinal(enc_ctx, (unsigned char *) text, &i);
++
++	EVP_ENCODE_CTX_free(enc_ctx);
+ 
+ 	*ret = text;
+ 	if (rlen != NULL)
+@@ -1744,7 +1755,7 @@ static int lak_check_hashed(
+ {
+ 	int rc, clen;
+ 	LAK_HASH_ROCK *hrock = (LAK_HASH_ROCK *) rock;
+-	EVP_MD_CTX mdctx;
++	EVP_MD_CTX *mdctx;
+ 	const EVP_MD *md;
+ 	unsigned char digest[EVP_MAX_MD_SIZE];
+ 	char *cred;
+@@ -1753,17 +1764,24 @@ static int lak_check_hashed(
+ 	if (!md)
+ 		return LAK_FAIL;
+ 
++	mdctx = EVP_MD_CTX_new();
++	if (!mdctx)
++		return LAK_NOMEM;
++
+ 	rc = lak_base64_decode(hash, &cred, &clen);
+-	if (rc != LAK_OK)
++	if (rc != LAK_OK) {
++		EVP_MD_CTX_free(mdctx);
+ 		return rc;
++	}
+ 
+-	EVP_DigestInit(&mdctx, md);
+-	EVP_DigestUpdate(&mdctx, passwd, strlen(passwd));
++	EVP_DigestInit(mdctx, md);
++	EVP_DigestUpdate(mdctx, passwd, strlen(passwd));
+ 	if (hrock->salted) {
+-		EVP_DigestUpdate(&mdctx, &cred[EVP_MD_size(md)],
++		EVP_DigestUpdate(mdctx, &cred[EVP_MD_size(md)],
+ 				 clen - EVP_MD_size(md));
+ 	}
+-	EVP_DigestFinal(&mdctx, digest, NULL);
++	EVP_DigestFinal(mdctx, digest, NULL);
++	EVP_MD_CTX_free(mdctx);
+ 
+ 	rc = memcmp((char *)cred, (char *)digest, EVP_MD_size(md));
+ 	free(cred);