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fix a potential memory leak

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This commit is contained in:
Max Lv
2013-05-23 21:06:42 +08:00
parent 092f121dc5
commit 32f9554251
1 changed files with 20 additions and 17 deletions
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src/encrypt.c
+20 -17
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@@ -225,7 +225,6 @@ void enc_ctx_init(int method, struct enc_ctx *ctx, int enc) {
memset(ctx, 0, sizeof(struct enc_ctx));
EVP_CIPHER_CTX *evp = &ctx->evp;
OpenSSL_add_all_algorithms();
const EVP_CIPHER *cipher = EVP_get_cipherbyname(supported_ciphers[method]);
ctx->iv_len = EVP_CIPHER_iv_length(cipher);
@@ -247,22 +246,26 @@ int enc_init(const char *pass, const char *method) {
if (method == NULL || strcmp(method, "table") == 0) {
enc_table_init(enc_pass);
return TABLE;
} else if (strcmp(method, "aes-128-cfb") == 0) {
return AES_128_CFB;
} else if (strcmp(method, "aes-192-cfb") == 0) {
return AES_192_CFB;
} else if (strcmp(method, "aes-256-cfb") == 0) {
return AES_256_CFB;
} else if (strcmp(method, "bf-cfb") == 0) {
return BF_CFB;
} else if (strcmp(method, "cast5-cfb") == 0) {
return CAST5_CFB;
} else if (strcmp(method, "des-cfb") == 0) {
return DES_CFB;
} else if (strcmp(method, "rc4") == 0) {
return RC4;
} else {
OpenSSL_add_all_algorithms();
if (strcmp(method, "aes-128-cfb") == 0) {
return AES_128_CFB;
} else if (strcmp(method, "aes-192-cfb") == 0) {
return AES_192_CFB;
} else if (strcmp(method, "aes-256-cfb") == 0) {
return AES_256_CFB;
} else if (strcmp(method, "bf-cfb") == 0) {
return BF_CFB;
} else if (strcmp(method, "cast5-cfb") == 0) {
return CAST5_CFB;
} else if (strcmp(method, "des-cfb") == 0) {
return DES_CFB;
} else if (strcmp(method, "rc4") == 0) {
return RC4;
} else {
enc_table_init(enc_pass);
return TABLE;
}
}
enc_table_init(enc_pass);
return TABLE;
}