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19f97fe6f1
Both at API and at CLI level (for the CMP app only, so far) there is a new parameter/option: keep_alive. * 0 means HTTP connections are not kept open after receiving a response, which is the default behavior for HTTP 1.0. * 1 means that persistent connections are requested. * 2 means that persistent connections are required, i.e., in case the server does not grant them an error occurs. For the CMP app the default value is 1, which means preferring to keep the connection open. For all other internal uses of the HTTP client (fetching an OCSP response, a cert, or a CRL) it does not matter because these operations just take one round trip. If the client application requested or required a persistent connection and this was granted by the server, it can keep the OSSL_HTTP_REQ_CTX * as long as it wants to send further requests and OSSL_HTTP_is_alive() returns nonzero, else it should call OSSL_HTTP_REQ_CTX_free() or OSSL_HTTP_close(). In case the client application keeps the OSSL_HTTP_REQ_CTX * but the connection then dies for any reason at the server side, it will notice this obtaining an I/O error when trying to send the next request. This requires extending the HTTP header parsing and rearranging the high-level HTTP client API. In particular: * Split the monolithic OSSL_HTTP_transfer() into OSSL_HTTP_open(), OSSL_HTTP_set_request(), a lean OSSL_HTTP_transfer(), and OSSL_HTTP_close(). * Split the timeout functionality accordingly and improve default behavior. * Extract part of OSSL_HTTP_REQ_CTX_new() to OSSL_HTTP_REQ_CTX_set_expected(). * Extend struct ossl_http_req_ctx_st accordingly. Use the new feature for the CMP client, which requires extending related transaction management of CMP client and test server. Update the documentation and extend the tests accordingly. Reviewed-by: Tomas Mraz <tomas@openssl.org> (Merged from https://github.com/openssl/openssl/pull/15053)
82 lines
3.3 KiB
C
82 lines
3.3 KiB
C
/*
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* Generated by util/mkerr.pl DO NOT EDIT
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* Copyright 1995-2021 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#include <openssl/err.h>
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#include <openssl/httperr.h>
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#include "crypto/httperr.h"
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#ifndef OPENSSL_NO_ERR
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static const ERR_STRING_DATA HTTP_str_reasons[] = {
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{ERR_PACK(ERR_LIB_HTTP, 0, HTTP_R_ASN1_LEN_EXCEEDS_MAX_RESP_LEN),
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"asn1 len exceeds max resp len"},
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{ERR_PACK(ERR_LIB_HTTP, 0, HTTP_R_CONNECT_FAILURE), "connect failure"},
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{ERR_PACK(ERR_LIB_HTTP, 0, HTTP_R_ERROR_PARSING_ASN1_LENGTH),
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"error parsing asn1 length"},
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{ERR_PACK(ERR_LIB_HTTP, 0, HTTP_R_ERROR_PARSING_CONTENT_LENGTH),
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"error parsing content length"},
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{ERR_PACK(ERR_LIB_HTTP, 0, HTTP_R_ERROR_PARSING_URL), "error parsing url"},
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{ERR_PACK(ERR_LIB_HTTP, 0, HTTP_R_ERROR_RECEIVING), "error receiving"},
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{ERR_PACK(ERR_LIB_HTTP, 0, HTTP_R_ERROR_SENDING), "error sending"},
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{ERR_PACK(ERR_LIB_HTTP, 0, HTTP_R_FAILED_READING_DATA),
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"failed reading data"},
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{ERR_PACK(ERR_LIB_HTTP, 0, HTTP_R_HEADER_PARSE_ERROR),
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"header parse error"},
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{ERR_PACK(ERR_LIB_HTTP, 0, HTTP_R_INCONSISTENT_CONTENT_LENGTH),
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"inconsistent content length"},
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{ERR_PACK(ERR_LIB_HTTP, 0, HTTP_R_INVALID_PORT_NUMBER),
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"invalid port number"},
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{ERR_PACK(ERR_LIB_HTTP, 0, HTTP_R_INVALID_URL_PATH), "invalid url path"},
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{ERR_PACK(ERR_LIB_HTTP, 0, HTTP_R_INVALID_URL_SCHEME),
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"invalid url scheme"},
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{ERR_PACK(ERR_LIB_HTTP, 0, HTTP_R_MAX_RESP_LEN_EXCEEDED),
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"max resp len exceeded"},
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{ERR_PACK(ERR_LIB_HTTP, 0, HTTP_R_MISSING_ASN1_ENCODING),
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"missing asn1 encoding"},
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{ERR_PACK(ERR_LIB_HTTP, 0, HTTP_R_MISSING_CONTENT_TYPE),
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"missing content type"},
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{ERR_PACK(ERR_LIB_HTTP, 0, HTTP_R_MISSING_REDIRECT_LOCATION),
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"missing redirect location"},
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{ERR_PACK(ERR_LIB_HTTP, 0, HTTP_R_RECEIVED_ERROR), "received error"},
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{ERR_PACK(ERR_LIB_HTTP, 0, HTTP_R_RECEIVED_WRONG_HTTP_VERSION),
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"received wrong http version"},
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{ERR_PACK(ERR_LIB_HTTP, 0, HTTP_R_REDIRECTION_FROM_HTTPS_TO_HTTP),
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"redirection from https to http"},
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{ERR_PACK(ERR_LIB_HTTP, 0, HTTP_R_REDIRECTION_NOT_ENABLED),
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"redirection not enabled"},
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{ERR_PACK(ERR_LIB_HTTP, 0, HTTP_R_RESPONSE_LINE_TOO_LONG),
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"response line too long"},
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{ERR_PACK(ERR_LIB_HTTP, 0, HTTP_R_RESPONSE_PARSE_ERROR),
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"response parse error"},
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{ERR_PACK(ERR_LIB_HTTP, 0, HTTP_R_SERVER_CANCELED_CONNECTION),
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"server canceled connection"},
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{ERR_PACK(ERR_LIB_HTTP, 0, HTTP_R_SOCK_NOT_SUPPORTED),
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"sock not supported"},
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{ERR_PACK(ERR_LIB_HTTP, 0, HTTP_R_STATUS_CODE_UNSUPPORTED),
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"status code unsupported"},
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{ERR_PACK(ERR_LIB_HTTP, 0, HTTP_R_TLS_NOT_ENABLED), "tls not enabled"},
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{ERR_PACK(ERR_LIB_HTTP, 0, HTTP_R_TOO_MANY_REDIRECTIONS),
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"too many redirections"},
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{ERR_PACK(ERR_LIB_HTTP, 0, HTTP_R_UNEXPECTED_CONTENT_TYPE),
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"unexpected content type"},
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{0, NULL}
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};
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#endif
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int err_load_HTTP_strings_int(void)
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{
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#ifndef OPENSSL_NO_ERR
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if (ERR_reason_error_string(HTTP_str_reasons[0].error) == NULL)
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ERR_load_strings_const(HTTP_str_reasons);
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#endif
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return 1;
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}
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