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Fix cms.c mem leak

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This commit is contained in:
Zhi Guan
2023-12-12 14:23:33 +08:00
parent 8974e0f2ea
commit 10e02215e3
1 changed files with 5 additions and 0 deletions
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5
src/cms.c
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@@ -356,12 +356,14 @@ int cms_enced_content_info_encrypt_to_der(
if (enc_algor != OID_sm4_cbc || keylen != 16 || ivlen != 16) { if (enc_algor != OID_sm4_cbc || keylen != 16 || ivlen != 16) {
error_print(); error_print();
if (enced_content) free(enced_content);
return -1; return -1;
} }
sm4_set_encrypt_key(&sm4_key, key); sm4_set_encrypt_key(&sm4_key, key);
if (sm4_cbc_padding_encrypt(&sm4_key, iv, content, content_len, if (sm4_cbc_padding_encrypt(&sm4_key, iv, content, content_len,
enced_content, &enced_content_len) != 1) { enced_content, &enced_content_len) != 1) {
if (enced_content) free(enced_content);
memset(&sm4_key, 0, sizeof(SM4_KEY)); memset(&sm4_key, 0, sizeof(SM4_KEY));
error_print(); error_print();
return -1; return -1;
@@ -373,9 +375,12 @@ int cms_enced_content_info_encrypt_to_der(
shared_info1, shared_info1_len, shared_info1, shared_info1_len,
shared_info2, shared_info2_len, shared_info2, shared_info2_len,
out, outlen)) != 1) { out, outlen)) != 1) {
if (enced_content) free(enced_content);
if (ret < 0) error_print(); if (ret < 0) error_print();
return ret; return ret;
} }
free(enced_content); //FIXME: use goto end to clean enced_content
return 1; return 1;
} }