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Check memory allocation

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This commit is contained in:
Michał Trojnara
2025-06-19 11:32:54 +02:00
parent e00caac3db
commit a3fcf41e1a
1 changed files with 4 additions and 0 deletions
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4
script.c
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@ -353,6 +353,8 @@ static PKCS7 *script_pkcs7_extract(FILE_FORMAT_CTX *ctx)
if (ctx->script_ctx->utf == 8) { if (ctx->script_ctx->utf == 8) {
base64_len = signature_len; base64_len = signature_len;
base64_data = OPENSSL_malloc(base64_len); base64_data = OPENSSL_malloc(base64_len);
if (!base64_data)
return NULL; /* memory allocation failed */
memcpy(base64_data, signature_data, base64_len); memcpy(base64_data, signature_data, base64_len);
} else { } else {
base64_len = utf16_to_utf8((const void *)signature_data, base64_len = utf16_to_utf8((const void *)signature_data,
@ -691,6 +693,8 @@ static int write_commented(FILE_FORMAT_CTX *ctx, BIO *outdata, const char *data,
* - closing tag * - closing tag
* - trailing NUL ("\0") */ * - trailing NUL ("\0") */
line = OPENSSL_malloc(2 + open_tag_len + length + close_tag_len + 1); line = OPENSSL_malloc(2 + open_tag_len + length + close_tag_len + 1);
if (!line)
return 0; /* memory allocation failed */
strcpy(line, "\r\n"); strcpy(line, "\r\n");
strcat(line, open_tag); strcat(line, open_tag);
memcpy(line + 2 + open_tag_len, data, length); memcpy(line + 2 + open_tag_len, data, length);