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92 lines
2.9 KiB
92 lines
2.9 KiB
#include <assert.h>
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#include "http_response.h"
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/***************************************************
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* General HTTP Response Functions *
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**************************************************/
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/**
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* Encodes a sandbox's HTTP Response as an array of buffers
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* @param sandbox the sandbox containing the HTTP response we want to encode as buffers
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* @returns the number of buffers used to store the HTTP Response
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*/
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int
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http_response_encode_as_vector(struct http_response *http_response)
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{
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int buffer_count = 0;
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http_response->bufs[buffer_count].iov_base = http_response->status;
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http_response->bufs[buffer_count].iov_len = http_response->status_length;
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buffer_count++;
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for (int i = 0; i < http_response->header_count; i++) {
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http_response->bufs[buffer_count].iov_base = http_response->headers[i].header;
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http_response->bufs[buffer_count].iov_len = http_response->headers[i].length;
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buffer_count++;
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}
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if (http_response->body) {
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http_response->bufs[buffer_count].iov_base = http_response->body;
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http_response->bufs[buffer_count].iov_len = http_response->body_length;
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buffer_count++;
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http_response->bufs[buffer_count].iov_base = http_response->status + http_response->status_length - 2;
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http_response->bufs[buffer_count].iov_len = 2;
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buffer_count++;
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}
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return buffer_count;
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}
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/**
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* Set an HTTP Response Body on a Sandbox
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* @param sandbox the sandbox we want to set the request header on
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* @param body string of the body that we want to set
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* @param length the length of the header string
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* @returns 0 (abends program in case of error)
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*/
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int
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http_response_set_body(struct http_response *http_response, char *body, int length)
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{
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// assert(length <= sandbox->module->max_response_size);
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http_response->body = body;
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http_response->body_length = length;
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return 0;
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}
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/**
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* Append a header to the HTTP Response of a Sandbox
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* @param sandbox the sandbox we want to set the request header on
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* @param header string containing the header that we want to append
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* @param length the length of the header string
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* @returns 0 (abends program in case of error)
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*/
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int
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http_response_set_header(struct http_response *http_response, char *header, int length)
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{
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assert(http_response->header_count < HTTP_MAX_HEADER_COUNT);
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http_response->header_count++;
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http_response->headers[http_response->header_count - 1].header = header;
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http_response->headers[http_response->header_count - 1].length = length;
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return 0;
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}
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/**
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* Set an HTTP Response Status on a Sandbox
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* @param sandbox the sandbox we want to set the request status on
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* @param status string of the status we want to set
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* @param length the length of the status
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* @returns 0 (abends program in case of error)
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*/
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int
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http_response_set_status(struct http_response *http_response, char *status, int length)
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{
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http_response->status = status;
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http_response->status_length = length;
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return 0;
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}
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