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Load openssl legacy stuff in archive.c to support blowfish cipher for older messages

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Signed-off-by: Janos SUTO <sj@acts.hu>
This commit is contained in:
Janos SUTO 2023-01-24 12:14:01 +01:00
parent 531250ec9b
commit 955b9bd7b6
1 changed files with 17 additions and 4 deletions
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21
src/archive.c
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@ -168,9 +168,14 @@ int retrieve_file_from_archive(char *filename, int mode, char **buffer, FILE *de
#if OPENSSL_VERSION_NUMBER < 0x10100000L #if OPENSSL_VERSION_NUMBER < 0x10100000L
EVP_CIPHER_CTX_init(&ctx); EVP_CIPHER_CTX_init(&ctx);
if(strstr(filename, "/5000")){ if(strstr(filename, "/5000")){
EVP_DecryptInit_ex(&ctx, EVP_aes_256_cbc(), NULL, cfg->key, cfg->iv); rc = EVP_DecryptInit_ex(&ctx, EVP_aes_256_cbc(), NULL, cfg->key, cfg->iv);
} else { } else {
EVP_DecryptInit_ex(&ctx, EVP_bf_cbc(), NULL, cfg->key, cfg->iv); rc = EVP_DecryptInit_ex(&ctx, EVP_bf_cbc(), NULL, cfg->key, cfg->iv);
}
if(!rc){
syslog(LOG_PRIORITY, "ERROR: EVP_DecryptInit_ex()");
goto CLEANUP;
} }
blocklen = EVP_CIPHER_CTX_block_size(&ctx); blocklen = EVP_CIPHER_CTX_block_size(&ctx);
@ -178,11 +183,19 @@ int retrieve_file_from_archive(char *filename, int mode, char **buffer, FILE *de
ctx = EVP_CIPHER_CTX_new(); ctx = EVP_CIPHER_CTX_new();
if(!ctx) goto CLEANUP; if(!ctx) goto CLEANUP;
#include <openssl/provider.h>
OSSL_PROVIDER_load(NULL, "legacy");
EVP_CIPHER_CTX_init(ctx); EVP_CIPHER_CTX_init(ctx);
if(strstr(filename, "/5000")){ if(strstr(filename, "/5000")){
EVP_DecryptInit_ex(ctx, EVP_aes_256_cbc(), NULL, cfg->key, cfg->iv); rc = EVP_DecryptInit_ex(ctx, EVP_aes_256_cbc(), NULL, cfg->key, cfg->iv);
} else { } else {
EVP_DecryptInit_ex(ctx, EVP_bf_cbc(), NULL, cfg->key, cfg->iv); rc = EVP_DecryptInit_ex(ctx, EVP_bf_cbc(), NULL, cfg->key, cfg->iv);
}
if(!rc){
syslog(LOG_PRIORITY, "ERROR: EVP_DecryptInit_ex()");
goto CLEANUP;
} }
blocklen = EVP_CIPHER_CTX_block_size(ctx); blocklen = EVP_CIPHER_CTX_block_size(ctx);