From 30d8861b5d506dd5a564640e4da53db1b7b58e62 Mon Sep 17 00:00:00 2001
From: Janos SUTO <sj@acts.hu>
Date: Fri, 7 Jul 2017 21:46:35 +0200
Subject: [PATCH] src: added openssl 1.1 support

Signed-off-by: Janos SUTO <sj@acts.hu>
---
 src/archive.c | 27 ++++++++++++++++++++++++++-
 src/smtp.c    |  4 ++++
 src/store.c   | 21 +++++++++++++++++++++
 3 files changed, 51 insertions(+), 1 deletion(-)

diff --git a/src/archive.c b/src/archive.c
index 3160b6af..0759769c 100644
--- a/src/archive.c
+++ b/src/archive.c
@@ -135,7 +135,11 @@ int retrieve_file_from_archive(char *filename, int mode, char **buffer, FILE *de
    int rc=0, n, olen, tlen, len, fd=-1;
    unsigned char *s=NULL, *addr=NULL, inbuf[REALLYBIGBUFSIZE];
    struct stat st;
+#if OPENSSL_VERSION_NUMBER < 0x10100000L
    EVP_CIPHER_CTX ctx;
+#else
+   EVP_CIPHER_CTX *ctx;
+#endif
 
 
    if(filename == NULL) return 1;
@@ -156,8 +160,16 @@ int retrieve_file_from_archive(char *filename, int mode, char **buffer, FILE *de
 
 
    if(cfg->encrypt_messages == 1){
+   #if OPENSSL_VERSION_NUMBER < 0x10100000L
       EVP_CIPHER_CTX_init(&ctx);
       EVP_DecryptInit_ex(&ctx, EVP_bf_cbc(), NULL, cfg->key, cfg->iv);
+   #else
+      ctx = EVP_CIPHER_CTX_new();
+      if(!ctx) goto CLEANUP;
+
+      EVP_CIPHER_CTX_init(ctx);
+      EVP_DecryptInit_ex(ctx, EVP_bf_cbc(), NULL, cfg->key, cfg->iv);
+   #endif
 
       len = st.st_size+EVP_MAX_BLOCK_LENGTH;
 
@@ -172,7 +184,11 @@ int retrieve_file_from_archive(char *filename, int mode, char **buffer, FILE *de
 
       while((n = read(fd, inbuf, sizeof(inbuf)))){
 
+      #if OPENSSL_VERSION_NUMBER < 0x10100000L
          if(!EVP_DecryptUpdate(&ctx, s+tlen, &olen, inbuf, n)){
+      #else
+         if(!EVP_DecryptUpdate(ctx, s+tlen, &olen, inbuf, n)){
+      #endif
             syslog(LOG_PRIORITY, "%s: EVP_DecryptUpdate()", filename);
             goto CLEANUP;
          }
@@ -181,7 +197,11 @@ int retrieve_file_from_archive(char *filename, int mode, char **buffer, FILE *de
       }
 
 
+   #if OPENSSL_VERSION_NUMBER < 0x10100000L
       if(EVP_DecryptFinal(&ctx, s + tlen, &olen) != 1){
+   #else
+      if(EVP_DecryptFinal(ctx, s + tlen, &olen) != 1){
+   #endif
          syslog(LOG_PRIORITY, "%s: EVP_DecryptFinal()", filename);
          goto CLEANUP;
       }
@@ -203,7 +223,12 @@ int retrieve_file_from_archive(char *filename, int mode, char **buffer, FILE *de
 CLEANUP:
    if(fd != -1) close(fd);
    if(s) free(s);
-   if(cfg->encrypt_messages == 1) EVP_CIPHER_CTX_cleanup(&ctx);
+   if(cfg->encrypt_messages == 1)
+   #if OPENSSL_VERSION_NUMBER < 0x10100000L
+      EVP_CIPHER_CTX_cleanup(&ctx);
+   #else
+      EVP_CIPHER_CTX_cleanup(ctx);
+   #endif
 
    return 0;
 }
diff --git a/src/smtp.c b/src/smtp.c
index 499cd13c..256747f8 100644
--- a/src/smtp.c
+++ b/src/smtp.c
@@ -169,7 +169,11 @@ void process_command_ehlo_lhlo(struct smtp_session *session, char *buf, int bufl
 
 
 int init_ssl(struct smtp_session *session){
+#if OPENSSL_VERSION_NUMBER < 0x10100000L
    session->ctx = SSL_CTX_new(TLSv1_server_method());
+#else
+   session->ctx = SSL_CTX_new(TLS_server_method());
+#endif
 
    if(session->ctx == NULL){
       syslog(LOG_PRIORITY, "SSL ctx is null");
diff --git a/src/store.c b/src/store.c
index 1230a456..18c8784b 100644
--- a/src/store.c
+++ b/src/store.c
@@ -46,7 +46,11 @@ int store_file(struct session_data *sdata, char *filename, int len, struct __con
    Bytef *z=NULL;
    uLongf dstlen;
 
+#if OPENSSL_VERSION_NUMBER < 0x10100000L
    EVP_CIPHER_CTX ctx;
+#else
+   EVP_CIPHER_CTX *ctx;
+#endif
    unsigned char *outbuf=NULL;
    int outlen=0, writelen, tmplen;
 
@@ -101,16 +105,33 @@ int store_file(struct session_data *sdata, char *filename, int len, struct __con
    if(cfg->encrypt_messages == 1){
       gettimeofday(&tv1, &tz);
 
+   #if OPENSSL_VERSION_NUMBER < 0x10100000L
       EVP_CIPHER_CTX_init(&ctx);
       EVP_EncryptInit_ex(&ctx, EVP_bf_cbc(), NULL, cfg->key, cfg->iv);
+   #else
+      ctx = EVP_CIPHER_CTX_new();
+      if(!ctx) goto ENDE;
+
+      EVP_CIPHER_CTX_init(ctx);
+      EVP_EncryptInit_ex(ctx, EVP_bf_cbc(), NULL, cfg->key, cfg->iv);
+   #endif
 
       outbuf = malloc(dstlen + EVP_MAX_BLOCK_LENGTH);
       if(outbuf == NULL) goto ENDE;
 
+   #if OPENSSL_VERSION_NUMBER < 0x10100000L
       if(!EVP_EncryptUpdate(&ctx, outbuf, &outlen, z, dstlen)) goto ENDE;
       if(!EVP_EncryptFinal_ex(&ctx, outbuf + outlen, &tmplen)) goto ENDE;
+   #else
+      if(!EVP_EncryptUpdate(ctx, outbuf, &outlen, z, dstlen)) goto ENDE;
+      if(!EVP_EncryptFinal_ex(ctx, outbuf + outlen, &tmplen)) goto ENDE;
+   #endif
       outlen += tmplen;
+   #if OPENSSL_VERSION_NUMBER < 0x10100000L
       EVP_CIPHER_CTX_cleanup(&ctx);
+   #else
+      EVP_CIPHER_CTX_cleanup(ctx);
+   #endif
 
       gettimeofday(&tv2, &tz);
       sdata->__encrypt += tvdiff(tv2, tv1);