diff options
Diffstat (limited to 'lib/http_aws_sigv4.c')
| -rw-r--r-- | lib/http_aws_sigv4.c | 21 |
1 files changed, 16 insertions, 5 deletions
diff --git a/lib/http_aws_sigv4.c b/lib/http_aws_sigv4.c index 02663ab..751e5af 100644 --- a/lib/http_aws_sigv4.c +++ b/lib/http_aws_sigv4.c @@ -92,6 +92,7 @@ CURLcode Curl_output_aws_sigv4(struct Curl_easy *data, bool proxy) char *signed_headers = NULL; Curl_HttpReq httpreq; const char *method; + size_t post_data_len; const char *post_data = data->set.postfields ? data->set.postfields : ""; unsigned char sha_hash[32]; char sha_hex[65]; @@ -281,8 +282,15 @@ CURLcode Curl_output_aws_sigv4(struct Curl_easy *data, bool proxy) goto fail; } - Curl_sha256it(sha_hash, - (const unsigned char *) post_data, strlen(post_data)); + if(data->set.postfieldsize < 0) + post_data_len = strlen(post_data); + else + post_data_len = (size_t)data->set.postfieldsize; + if(Curl_sha256it(sha_hash, (const unsigned char *) post_data, + post_data_len)) { + goto fail; + } + sha256_to_hex(sha_hex, sha_hash, sizeof(sha_hex)); Curl_http_method(data, conn, &method, &httpreq); @@ -315,13 +323,16 @@ CURLcode Curl_output_aws_sigv4(struct Curl_easy *data, bool proxy) goto fail; } - Curl_sha256it(sha_hash, (unsigned char *) canonical_request, - strlen(canonical_request)); + if(Curl_sha256it(sha_hash, (unsigned char *) canonical_request, + strlen(canonical_request))) { + goto fail; + } + sha256_to_hex(sha_hex, sha_hash, sizeof(sha_hex)); /* * Google allow to use rsa key instead of HMAC, so this code might change - * In the furure, but for now we support only HMAC version + * In the future, but for now we support only HMAC version */ str_to_sign = curl_maprintf("%s4-HMAC-SHA256\n" /* Algorithm */ "%s\n" /* RequestDateTime */ |