diff options
Diffstat (limited to 'Utilities/cmcurl/lib/http_aws_sigv4.c')
| -rw-r--r-- | Utilities/cmcurl/lib/http_aws_sigv4.c | 808 |
1 files changed, 808 insertions, 0 deletions
diff --git a/Utilities/cmcurl/lib/http_aws_sigv4.c b/Utilities/cmcurl/lib/http_aws_sigv4.c new file mode 100644 index 0000000..b673055 --- /dev/null +++ b/Utilities/cmcurl/lib/http_aws_sigv4.c @@ -0,0 +1,808 @@ +/*************************************************************************** + * _ _ ____ _ + * Project ___| | | | _ \| | + * / __| | | | |_) | | + * | (__| |_| | _ <| |___ + * \___|\___/|_| \_\_____| + * + * Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al. + * + * This software is licensed as described in the file COPYING, which + * you should have received as part of this distribution. The terms + * are also available at https://curl.haxx.se/docs/copyright.html. + * + * You may opt to use, copy, modify, merge, publish, distribute and/or sell + * copies of the Software, and permit persons to whom the Software is + * furnished to do so, under the terms of the COPYING file. + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + * SPDX-License-Identifier: curl + * + ***************************************************************************/ + +#include "curl_setup.h" + +#if !defined(CURL_DISABLE_HTTP) && !defined(CURL_DISABLE_AWS) + +#include "urldata.h" +#include "strcase.h" +#include "strdup.h" +#include "http_aws_sigv4.h" +#include "curl_sha256.h" +#include "transfer.h" +#include "parsedate.h" +#include "sendf.h" +#include "escape.h" + +#include <time.h> + +/* The last 3 #include files should be in this order */ +#include "curl_printf.h" +#include "curl_memory.h" +#include "memdebug.h" + +#include "slist.h" + +#define HMAC_SHA256(k, kl, d, dl, o) \ + do { \ + result = Curl_hmacit(Curl_HMAC_SHA256, \ + (unsigned char *)k, \ + kl, \ + (unsigned char *)d, \ + dl, o); \ + if(result) { \ + goto fail; \ + } \ + } while(0) + +#define TIMESTAMP_SIZE 17 + +/* hex-encoded with trailing null */ +#define SHA256_HEX_LENGTH (2 * SHA256_DIGEST_LENGTH + 1) + +static void sha256_to_hex(char *dst, unsigned char *sha) +{ + Curl_hexencode(sha, SHA256_DIGEST_LENGTH, + (unsigned char *)dst, SHA256_HEX_LENGTH); +} + +static char *find_date_hdr(struct Curl_easy *data, const char *sig_hdr) +{ + char *tmp = Curl_checkheaders(data, sig_hdr, strlen(sig_hdr)); + + if(tmp) + return tmp; + return Curl_checkheaders(data, STRCONST("Date")); +} + +/* remove whitespace, and lowercase all headers */ +static void trim_headers(struct curl_slist *head) +{ + struct curl_slist *l; + for(l = head; l; l = l->next) { + char *value; /* to read from */ + char *store; + size_t colon = strcspn(l->data, ":"); + Curl_strntolower(l->data, l->data, colon); + + value = &l->data[colon]; + if(!*value) + continue; + ++value; + store = value; + + /* skip leading whitespace */ + while(*value && ISBLANK(*value)) + value++; + + while(*value) { + int space = 0; + while(*value && ISBLANK(*value)) { + value++; + space++; + } + if(space) { + /* replace any number of consecutive whitespace with a single space, + unless at the end of the string, then nothing */ + if(*value) + *store++ = ' '; + } + else + *store++ = *value++; + } + *store = 0; /* null terminate */ + } +} + +/* maximum length for the aws sivg4 parts */ +#define MAX_SIGV4_LEN 64 +#define MAX_SIGV4_LEN_TXT "64" + +#define DATE_HDR_KEY_LEN (MAX_SIGV4_LEN + sizeof("X--Date")) + +#define MAX_HOST_LEN 255 +/* FQDN + host: */ +#define FULL_HOST_LEN (MAX_HOST_LEN + sizeof("host:")) + +/* string been x-PROVIDER-date:TIMESTAMP, I need +1 for ':' */ +#define DATE_FULL_HDR_LEN (DATE_HDR_KEY_LEN + TIMESTAMP_SIZE + 1) + +/* timestamp should point to a buffer of at last TIMESTAMP_SIZE bytes */ +static CURLcode make_headers(struct Curl_easy *data, + const char *hostname, + char *timestamp, + char *provider1, + char **date_header, + char *content_sha256_header, + struct dynbuf *canonical_headers, + struct dynbuf *signed_headers) +{ + char date_hdr_key[DATE_HDR_KEY_LEN]; + char date_full_hdr[DATE_FULL_HDR_LEN]; + struct curl_slist *head = NULL; + struct curl_slist *tmp_head = NULL; + CURLcode ret = CURLE_OUT_OF_MEMORY; + struct curl_slist *l; + int again = 1; + + /* provider1 mid */ + Curl_strntolower(provider1, provider1, strlen(provider1)); + provider1[0] = Curl_raw_toupper(provider1[0]); + + msnprintf(date_hdr_key, DATE_HDR_KEY_LEN, "X-%s-Date", provider1); + + /* provider1 lowercase */ + Curl_strntolower(provider1, provider1, 1); /* first byte only */ + msnprintf(date_full_hdr, DATE_FULL_HDR_LEN, + "x-%s-date:%s", provider1, timestamp); + + if(Curl_checkheaders(data, STRCONST("Host"))) { + head = NULL; + } + else { + char full_host[FULL_HOST_LEN + 1]; + + if(data->state.aptr.host) { + size_t pos; + + if(strlen(data->state.aptr.host) > FULL_HOST_LEN) { + ret = CURLE_URL_MALFORMAT; + goto fail; + } + strcpy(full_host, data->state.aptr.host); + /* remove /r/n as the separator for canonical request must be '\n' */ + pos = strcspn(full_host, "\n\r"); + full_host[pos] = 0; + } + else { + if(strlen(hostname) > MAX_HOST_LEN) { + ret = CURLE_URL_MALFORMAT; + goto fail; + } + msnprintf(full_host, FULL_HOST_LEN, "host:%s", hostname); + } + + head = curl_slist_append(NULL, full_host); + if(!head) + goto fail; + } + + + if(*content_sha256_header) { + tmp_head = curl_slist_append(head, content_sha256_header); + if(!tmp_head) + goto fail; + head = tmp_head; + } + + /* copy user headers to our header list. the logic is based on how http.c + handles user headers. + + user headers in format 'name:' with no value are used to signal that an + internal header of that name should be removed. those user headers are not + added to this list. + + user headers in format 'name;' with no value are used to signal that a + header of that name with no value should be sent. those user headers are + added to this list but in the format that they will be sent, ie the + semi-colon is changed to a colon for format 'name:'. + + user headers with a value of whitespace only, or without a colon or + semi-colon, are not added to this list. + */ + for(l = data->set.headers; l; l = l->next) { + char *dupdata, *ptr; + char *sep = strchr(l->data, ':'); + if(!sep) + sep = strchr(l->data, ';'); + if(!sep || (*sep == ':' && !*(sep + 1))) + continue; + for(ptr = sep + 1; ISSPACE(*ptr); ++ptr) + ; + if(!*ptr && ptr != sep + 1) /* a value of whitespace only */ + continue; + dupdata = strdup(l->data); + if(!dupdata) + goto fail; + dupdata[sep - l->data] = ':'; + tmp_head = Curl_slist_append_nodup(head, dupdata); + if(!tmp_head) { + free(dupdata); + goto fail; + } + head = tmp_head; + } + + trim_headers(head); + + *date_header = find_date_hdr(data, date_hdr_key); + if(!*date_header) { + tmp_head = curl_slist_append(head, date_full_hdr); + if(!tmp_head) + goto fail; + head = tmp_head; + *date_header = curl_maprintf("%s: %s\r\n", date_hdr_key, timestamp); + } + else { + char *value; + + value = strchr(*date_header, ':'); + if(!value) { + *date_header = NULL; + goto fail; + } + ++value; + while(ISBLANK(*value)) + ++value; + strncpy(timestamp, value, TIMESTAMP_SIZE - 1); + timestamp[TIMESTAMP_SIZE - 1] = 0; + *date_header = NULL; + } + + /* alpha-sort in a case sensitive manner */ + do { + again = 0; + for(l = head; l; l = l->next) { + struct curl_slist *next = l->next; + + if(next && strcmp(l->data, next->data) > 0) { + char *tmp = l->data; + + l->data = next->data; + next->data = tmp; + again = 1; + } + } + } while(again); + + for(l = head; l; l = l->next) { + char *tmp; + + if(Curl_dyn_add(canonical_headers, l->data)) + goto fail; + if(Curl_dyn_add(canonical_headers, "\n")) + goto fail; + + tmp = strchr(l->data, ':'); + if(tmp) + *tmp = 0; + + if(l != head) { + if(Curl_dyn_add(signed_headers, ";")) + goto fail; + } + if(Curl_dyn_add(signed_headers, l->data)) + goto fail; + } + + ret = CURLE_OK; +fail: + curl_slist_free_all(head); + + return ret; +} + +#define CONTENT_SHA256_KEY_LEN (MAX_SIGV4_LEN + sizeof("X--Content-Sha256")) +/* add 2 for ": " between header name and value */ +#define CONTENT_SHA256_HDR_LEN (CONTENT_SHA256_KEY_LEN + 2 + \ + SHA256_HEX_LENGTH) + +/* try to parse a payload hash from the content-sha256 header */ +static char *parse_content_sha_hdr(struct Curl_easy *data, + const char *provider1, + size_t *value_len) +{ + char key[CONTENT_SHA256_KEY_LEN]; + size_t key_len; + char *value; + size_t len; + + key_len = msnprintf(key, sizeof(key), "x-%s-content-sha256", provider1); + + value = Curl_checkheaders(data, key, key_len); + if(!value) + return NULL; + + value = strchr(value, ':'); + if(!value) + return NULL; + ++value; + + while(*value && ISBLANK(*value)) + ++value; + + len = strlen(value); + while(len > 0 && ISBLANK(value[len-1])) + --len; + + *value_len = len; + return value; +} + +static CURLcode calc_payload_hash(struct Curl_easy *data, + unsigned char *sha_hash, char *sha_hex) +{ + const char *post_data = data->set.postfields; + size_t post_data_len = 0; + CURLcode result; + + if(post_data) { + if(data->set.postfieldsize < 0) + post_data_len = strlen(post_data); + else + post_data_len = (size_t)data->set.postfieldsize; + } + result = Curl_sha256it(sha_hash, (const unsigned char *) post_data, + post_data_len); + if(!result) + sha256_to_hex(sha_hex, sha_hash); + return result; +} + +#define S3_UNSIGNED_PAYLOAD "UNSIGNED-PAYLOAD" + +static CURLcode calc_s3_payload_hash(struct Curl_easy *data, + Curl_HttpReq httpreq, char *provider1, + unsigned char *sha_hash, + char *sha_hex, char *header) +{ + bool empty_method = (httpreq == HTTPREQ_GET || httpreq == HTTPREQ_HEAD); + /* The request method or filesize indicate no request payload */ + bool empty_payload = (empty_method || data->set.filesize == 0); + /* The POST payload is in memory */ + bool post_payload = (httpreq == HTTPREQ_POST && data->set.postfields); + CURLcode ret = CURLE_OUT_OF_MEMORY; + + if(empty_payload || post_payload) { + /* Calculate a real hash when we know the request payload */ + ret = calc_payload_hash(data, sha_hash, sha_hex); + if(ret) + goto fail; + } + else { + /* Fall back to s3's UNSIGNED-PAYLOAD */ + size_t len = sizeof(S3_UNSIGNED_PAYLOAD) - 1; + DEBUGASSERT(len < SHA256_HEX_LENGTH); /* 16 < 65 */ + memcpy(sha_hex, S3_UNSIGNED_PAYLOAD, len); + sha_hex[len] = 0; + } + + /* format the required content-sha256 header */ + msnprintf(header, CONTENT_SHA256_HDR_LEN, + "x-%s-content-sha256: %s", provider1, sha_hex); + + ret = CURLE_OK; +fail: + return ret; +} + +struct pair { + const char *p; + size_t len; +}; + +static int compare_func(const void *a, const void *b) +{ + const struct pair *aa = a; + const struct pair *bb = b; + /* If one element is empty, the other is always sorted higher */ + if(aa->len == 0) + return -1; + if(bb->len == 0) + return 1; + return strncmp(aa->p, bb->p, aa->len < bb->len ? aa->len : bb->len); +} + +#define MAX_QUERYPAIRS 64 + +static CURLcode canon_query(struct Curl_easy *data, + const char *query, struct dynbuf *dq) +{ + CURLcode result = CURLE_OK; + int entry = 0; + int i; + const char *p = query; + struct pair array[MAX_QUERYPAIRS]; + struct pair *ap = &array[0]; + if(!query) + return result; + + /* sort the name=value pairs first */ + do { + char *amp; + entry++; + ap->p = p; + amp = strchr(p, '&'); + if(amp) + ap->len = amp - p; /* excluding the ampersand */ + else { + ap->len = strlen(p); + break; + } + ap++; + p = amp + 1; + } while(entry < MAX_QUERYPAIRS); + if(entry == MAX_QUERYPAIRS) { + /* too many query pairs for us */ + failf(data, "aws-sigv4: too many query pairs in URL"); + return CURLE_URL_MALFORMAT; + } + + qsort(&array[0], entry, sizeof(struct pair), compare_func); + + ap = &array[0]; + for(i = 0; !result && (i < entry); i++, ap++) { + size_t len; + const char *q = ap->p; + bool found_equals = false; + if(!ap->len) + continue; + for(len = ap->len; len && !result; q++, len--) { + if(ISALNUM(*q)) + result = Curl_dyn_addn(dq, q, 1); + else { + switch(*q) { + case '-': + case '.': + case '_': + case '~': + /* allowed as-is */ + result = Curl_dyn_addn(dq, q, 1); + break; + case '=': + /* allowed as-is */ + result = Curl_dyn_addn(dq, q, 1); + found_equals = true; + break; + case '%': + /* uppercase the following if hexadecimal */ + if(ISXDIGIT(q[1]) && ISXDIGIT(q[2])) { + char tmp[3]="%"; + tmp[1] = Curl_raw_toupper(q[1]); + tmp[2] = Curl_raw_toupper(q[2]); + result = Curl_dyn_addn(dq, tmp, 3); + q += 2; + len -= 2; + } + else + /* '%' without a following two-digit hex, encode it */ + result = Curl_dyn_addn(dq, "%25", 3); + break; + default: { + /* URL encode */ + const char hex[] = "0123456789ABCDEF"; + char out[3]={'%'}; + out[1] = hex[((unsigned char)*q)>>4]; + out[2] = hex[*q & 0xf]; + result = Curl_dyn_addn(dq, out, 3); + break; + } + } + } + } + if(!result && !found_equals) { + /* queries without value still need an equals */ + result = Curl_dyn_addn(dq, "=", 1); + } + if(!result && i < entry - 1) { + /* insert ampersands between query pairs */ + result = Curl_dyn_addn(dq, "&", 1); + } + } + return result; +} + + +CURLcode Curl_output_aws_sigv4(struct Curl_easy *data, bool proxy) +{ + CURLcode result = CURLE_OUT_OF_MEMORY; + struct connectdata *conn = data->conn; + size_t len; + const char *arg; + char provider0[MAX_SIGV4_LEN + 1]=""; + char provider1[MAX_SIGV4_LEN + 1]=""; + char region[MAX_SIGV4_LEN + 1]=""; + char service[MAX_SIGV4_LEN + 1]=""; + bool sign_as_s3 = false; + const char *hostname = conn->host.name; + time_t clock; + struct tm tm; + char timestamp[TIMESTAMP_SIZE]; + char date[9]; + struct dynbuf canonical_headers; + struct dynbuf signed_headers; + struct dynbuf canonical_query; + char *date_header = NULL; + Curl_HttpReq httpreq; + const char *method = NULL; + char *payload_hash = NULL; + size_t payload_hash_len = 0; + unsigned char sha_hash[SHA256_DIGEST_LENGTH]; + char sha_hex[SHA256_HEX_LENGTH]; + char content_sha256_hdr[CONTENT_SHA256_HDR_LEN + 2] = ""; /* add \r\n */ + char *canonical_request = NULL; + char *request_type = NULL; + char *credential_scope = NULL; + char *str_to_sign = NULL; + const char *user = data->state.aptr.user ? data->state.aptr.user : ""; + char *secret = NULL; + unsigned char sign0[SHA256_DIGEST_LENGTH] = {0}; + unsigned char sign1[SHA256_DIGEST_LENGTH] = {0}; + char *auth_headers = NULL; + + DEBUGASSERT(!proxy); + (void)proxy; + + if(Curl_checkheaders(data, STRCONST("Authorization"))) { + /* Authorization already present, Bailing out */ + return CURLE_OK; + } + + /* we init those buffers here, so goto fail will free initialized dynbuf */ + Curl_dyn_init(&canonical_headers, CURL_MAX_HTTP_HEADER); + Curl_dyn_init(&canonical_query, CURL_MAX_HTTP_HEADER); + Curl_dyn_init(&signed_headers, CURL_MAX_HTTP_HEADER); + + /* + * Parameters parsing + * Google and Outscale use the same OSC or GOOG, + * but Amazon uses AWS and AMZ for header arguments. + * AWS is the default because most of non-amazon providers + * are still using aws:amz as a prefix. + */ + arg = data->set.str[STRING_AWS_SIGV4] ? + data->set.str[STRING_AWS_SIGV4] : "aws:amz"; + + /* provider1[:provider2[:region[:service]]] + + No string can be longer than N bytes of non-whitespace + */ + (void)sscanf(arg, "%" MAX_SIGV4_LEN_TXT "[^:]" + ":%" MAX_SIGV4_LEN_TXT "[^:]" + ":%" MAX_SIGV4_LEN_TXT "[^:]" + ":%" MAX_SIGV4_LEN_TXT "s", + provider0, provider1, region, service); + if(!provider0[0]) { + failf(data, "first aws-sigv4 provider can't be empty"); + result = CURLE_BAD_FUNCTION_ARGUMENT; + goto fail; + } + else if(!provider1[0]) + strcpy(provider1, provider0); + + if(!service[0]) { + char *hostdot = strchr(hostname, '.'); + if(!hostdot) { + failf(data, "aws-sigv4: service missing in parameters and hostname"); + result = CURLE_URL_MALFORMAT; + goto fail; + } + len = hostdot - hostname; + if(len > MAX_SIGV4_LEN) { + failf(data, "aws-sigv4: service too long in hostname"); + result = CURLE_URL_MALFORMAT; + goto fail; + } + strncpy(service, hostname, len); + service[len] = '\0'; + + infof(data, "aws_sigv4: picked service %s from host", service); + + if(!region[0]) { + const char *reg = hostdot + 1; + const char *hostreg = strchr(reg, '.'); + if(!hostreg) { + failf(data, "aws-sigv4: region missing in parameters and hostname"); + result = CURLE_URL_MALFORMAT; + goto fail; + } + len = hostreg - reg; + if(len > MAX_SIGV4_LEN) { + failf(data, "aws-sigv4: region too long in hostname"); + result = CURLE_URL_MALFORMAT; + goto fail; + } + strncpy(region, reg, len); + region[len] = '\0'; + infof(data, "aws_sigv4: picked region %s from host", region); + } + } + + Curl_http_method(data, conn, &method, &httpreq); + + /* AWS S3 requires a x-amz-content-sha256 header, and supports special + * values like UNSIGNED-PAYLOAD */ + sign_as_s3 = (strcasecompare(provider0, "aws") && + strcasecompare(service, "s3")); + + payload_hash = parse_content_sha_hdr(data, provider1, &payload_hash_len); + + if(!payload_hash) { + if(sign_as_s3) + result = calc_s3_payload_hash(data, httpreq, provider1, sha_hash, + sha_hex, content_sha256_hdr); + else + result = calc_payload_hash(data, sha_hash, sha_hex); + if(result) + goto fail; + + payload_hash = sha_hex; + /* may be shorter than SHA256_HEX_LENGTH, like S3_UNSIGNED_PAYLOAD */ + payload_hash_len = strlen(sha_hex); + } + +#ifdef DEBUGBUILD + { + char *force_timestamp = getenv("CURL_FORCETIME"); + if(force_timestamp) + clock = 0; + else + time(&clock); + } +#else + time(&clock); +#endif + result = Curl_gmtime(clock, &tm); + if(result) { + goto fail; + } + if(!strftime(timestamp, sizeof(timestamp), "%Y%m%dT%H%M%SZ", &tm)) { + result = CURLE_OUT_OF_MEMORY; + goto fail; + } + + result = make_headers(data, hostname, timestamp, provider1, + &date_header, content_sha256_hdr, + &canonical_headers, &signed_headers); + if(result) + goto fail; + + if(*content_sha256_hdr) { + /* make_headers() needed this without the \r\n for canonicalization */ + size_t hdrlen = strlen(content_sha256_hdr); + DEBUGASSERT(hdrlen + 3 < sizeof(content_sha256_hdr)); + memcpy(content_sha256_hdr + hdrlen, "\r\n", 3); + } + + memcpy(date, timestamp, sizeof(date)); + date[sizeof(date) - 1] = 0; + + result = canon_query(data, data->state.up.query, &canonical_query); + if(result) + goto fail; + result = CURLE_OUT_OF_MEMORY; + + canonical_request = + curl_maprintf("%s\n" /* HTTPRequestMethod */ + "%s\n" /* CanonicalURI */ + "%s\n" /* CanonicalQueryString */ + "%s\n" /* CanonicalHeaders */ + "%s\n" /* SignedHeaders */ + "%.*s", /* HashedRequestPayload in hex */ + method, + data->state.up.path, + Curl_dyn_ptr(&canonical_query) ? + Curl_dyn_ptr(&canonical_query) : "", + Curl_dyn_ptr(&canonical_headers), + Curl_dyn_ptr(&signed_headers), + (int)payload_hash_len, payload_hash); + if(!canonical_request) + goto fail; + + DEBUGF(infof(data, "Canonical request: %s", canonical_request)); + + /* provider 0 lowercase */ + Curl_strntolower(provider0, provider0, strlen(provider0)); + request_type = curl_maprintf("%s4_request", provider0); + if(!request_type) + goto fail; + + credential_scope = curl_maprintf("%s/%s/%s/%s", + date, region, service, request_type); + if(!credential_scope) + goto fail; + + if(Curl_sha256it(sha_hash, (unsigned char *) canonical_request, + strlen(canonical_request))) + goto fail; + + sha256_to_hex(sha_hex, sha_hash); + + /* provider 0 uppercase */ + Curl_strntoupper(provider0, provider0, strlen(provider0)); + + /* + * Google allows using RSA key instead of HMAC, so this code might change + * in the future. For now we only support HMAC. + */ + str_to_sign = curl_maprintf("%s4-HMAC-SHA256\n" /* Algorithm */ + "%s\n" /* RequestDateTime */ + "%s\n" /* CredentialScope */ + "%s", /* HashedCanonicalRequest in hex */ + provider0, + timestamp, + credential_scope, + sha_hex); + if(!str_to_sign) { + goto fail; + } + + /* provider 0 uppercase */ + secret = curl_maprintf("%s4%s", provider0, + data->state.aptr.passwd ? + data->state.aptr.passwd : ""); + if(!secret) + goto fail; + + HMAC_SHA256(secret, strlen(secret), date, strlen(date), sign0); + HMAC_SHA256(sign0, sizeof(sign0), region, strlen(region), sign1); + HMAC_SHA256(sign1, sizeof(sign1), service, strlen(service), sign0); + HMAC_SHA256(sign0, sizeof(sign0), request_type, strlen(request_type), sign1); + HMAC_SHA256(sign1, sizeof(sign1), str_to_sign, strlen(str_to_sign), sign0); + + sha256_to_hex(sha_hex, sign0); + + /* provider 0 uppercase */ + auth_headers = curl_maprintf("Authorization: %s4-HMAC-SHA256 " + "Credential=%s/%s, " + "SignedHeaders=%s, " + "Signature=%s\r\n" + /* + * date_header is added here, only if it wasn't + * user-specified (using CURLOPT_HTTPHEADER). + * date_header includes \r\n + */ + "%s" + "%s", /* optional sha256 header includes \r\n */ + provider0, + user, + credential_scope, + Curl_dyn_ptr(&signed_headers), + sha_hex, + date_header ? date_header : "", + content_sha256_hdr); + if(!auth_headers) { + goto fail; + } + + Curl_safefree(data->state.aptr.userpwd); + data->state.aptr.userpwd = auth_headers; + data->state.authhost.done = TRUE; + result = CURLE_OK; + +fail: + Curl_dyn_free(&canonical_query); + Curl_dyn_free(&canonical_headers); + Curl_dyn_free(&signed_headers); + free(canonical_request); + free(request_type); + free(credential_scope); + free(str_to_sign); + free(secret); + free(date_header); + return result; +} + +#endif /* !defined(CURL_DISABLE_HTTP) && !defined(CURL_DISABLE_AWS) */ |