1 | // Copyright (c) Microsoft. All rights reserved.
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2 | // Licensed under the MIT license. See LICENSE file in the project root for full license information.
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3 |
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4 | #include <stdlib.h>
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5 | #include <stddef.h>
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6 | #include <stdbool.h>
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7 | #include <ctype.h>
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8 |
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9 | #include "umock_c/umock_c_prod.h"
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10 | #include "azure_c_shared_utility/gballoc.h"
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11 |
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12 | #include <string.h>
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13 | #include "azure_uhttp_c/uhttp.h"
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14 | #include "azure_c_shared_utility/httpheaders.h"
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15 | #include "azure_c_shared_utility/crt_abstractions.h"
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16 | #include "azure_c_shared_utility/strings.h"
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17 | #include "azure_c_shared_utility/xlogging.h"
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18 | #include "azure_c_shared_utility/buffer_.h"
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19 | #include "azure_c_shared_utility/singlylinkedlist.h"
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20 | #include "azure_c_shared_utility/shared_util_options.h"
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21 | #include "azure_c_shared_utility/optimize_size.h"
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22 |
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23 | #define MAX_HOSTNAME 64
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24 | #define TIME_MAX_BUFFER 16
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25 | #define HTTP_CRLF_LEN 2
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26 | #define HTTP_END_TOKEN_LEN 4
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27 | #define MAX_CONTENT_LENGTH 16
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28 |
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29 | static const char* HTTP_REQUEST_LINE_FMT = "%s %s HTTP/1.1\r\n";
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30 | static const char* HTTP_HOST = "Host";
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31 | // The following header names MUST be lowercase as they are used for HTTP response header comparison:
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32 | static const char* HTTP_CONTENT_LEN = "content-length";
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33 | static const char* HTTP_TRANSFER_ENCODING = "transfer-encoding";
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34 | static const char* HTTP_CRLF_VALUE = "\r\n";
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35 |
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36 | typedef enum RESPONSE_MESSAGE_STATE_TAG
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37 | {
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38 | state_initial,
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39 | state_opening,
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40 | state_open,
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41 | state_process_status_line,
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42 | state_process_headers,
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43 | state_process_body,
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44 | state_process_chunked_body,
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45 |
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46 | state_send_user_callback,
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47 | state_parse_complete,
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48 |
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49 | state_closing,
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50 | state_closed,
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51 | state_error
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52 | } RESPONSE_MESSAGE_STATE;
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53 |
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54 | typedef struct HTTP_RECV_DATA_TAG
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55 | {
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56 | ON_HTTP_REQUEST_CALLBACK on_request_callback;
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57 | void* user_ctx;
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58 | int status_code;
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59 | RESPONSE_MESSAGE_STATE recv_state;
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60 | HTTP_HEADERS_HANDLE resp_header;
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61 | BUFFER_HANDLE msg_body;
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62 | size_t total_body_len;
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63 | BUFFER_HANDLE accrual_buff;
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64 | bool chunked_reply;
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65 | } HTTP_RECV_DATA;
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66 |
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67 | typedef struct HTTP_CLIENT_HANDLE_DATA_TAG
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68 | {
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69 | XIO_HANDLE xio_handle;
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70 | ON_HTTP_OPEN_COMPLETE_CALLBACK on_connect;
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71 | void* connect_user_ctx;
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72 | ON_HTTP_ERROR_CALLBACK on_error;
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73 | void* error_user_ctx;
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74 | ON_HTTP_CLOSED_CALLBACK on_close_callback;
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75 | void* close_user_ctx;
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76 | HTTP_RECV_DATA recv_msg;
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77 | bool chunk_request;
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78 | bool trace_on;
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79 | bool trace_body;
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80 | char* host_name;
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81 | int port_num;
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82 | SINGLYLINKEDLIST_HANDLE data_list;
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83 | bool cert_type_ecc;
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84 | char* x509_cert;
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85 | char* x509_pk;
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86 | char* certificate;
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87 | int connected;
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88 | } HTTP_CLIENT_HANDLE_DATA;
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89 |
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90 | typedef struct HTTP_SEND_DATA_TAG
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91 | {
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92 | HTTP_CLIENT_REQUEST_TYPE request_type;
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93 | STRING_HANDLE relative_path;
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94 | STRING_HANDLE header_line;
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95 | BUFFER_HANDLE content;
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96 | } HTTP_SEND_DATA;
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97 |
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98 | static void send_complete_callback(void* context, IO_SEND_RESULT send_result)
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99 | {
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100 | (void)context;(void)send_result;
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101 | }
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102 |
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103 | static int initialize_received_data(HTTP_CLIENT_HANDLE_DATA* http_data)
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104 | {
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105 | int result = 0;
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106 |
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107 | // Initialize data if necessary
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108 | if (http_data->recv_msg.resp_header == NULL)
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109 | {
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110 | http_data->recv_msg.resp_header = HTTPHeaders_Alloc();
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111 | if (http_data->recv_msg.resp_header == NULL)
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112 | {
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113 | /* Codes_SRS_UHTTP_07_048: [ If any error is encountered on_bytes_received shall set the state to error. ] */
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114 | LogError("Failure creating Http header.");
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115 | result = MU_FAILURE;
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116 | }
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117 | }
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118 | if (result == 0 && http_data->recv_msg.accrual_buff == NULL)
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119 | {
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120 | http_data->recv_msg.accrual_buff = BUFFER_new();
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121 | if (http_data->recv_msg.accrual_buff == NULL)
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122 | {
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123 | /* Codes_SRS_UHTTP_07_048: [ If any error is encountered on_bytes_received shall set the state to error. ] */
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124 | LogError("Failure creating accrual buffer.");
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125 | result = MU_FAILURE;
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126 | }
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127 | }
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128 | http_data->recv_msg.chunked_reply = false;
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129 | return result;
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130 | }
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131 |
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132 | static int process_status_code_line(const unsigned char* buffer, size_t len, size_t* position, int* statusLen)
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133 | {
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134 | int result = MU_FAILURE;
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135 | size_t index;
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136 | int spaceFound = 0;
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137 | const char* initSpace = NULL;
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138 | char status_code[4];
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139 |
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140 | for (index = 0; index < len; index++)
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141 | {
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142 | if (buffer[index] == ' ')
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143 | {
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144 | if (spaceFound == 1)
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145 | {
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146 | (void)memcpy(status_code, initSpace, 3);
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147 | status_code[3] = '\0';
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148 | }
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149 | else
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150 | {
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151 | initSpace = (const char*)buffer + index + 1;
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152 | }
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153 | spaceFound++;
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154 | }
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155 | else if (buffer[index] == '\n')
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156 | {
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157 | *statusLen = (int)atol(status_code);
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158 | if (index < len)
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159 | {
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160 | *position = index + 1;
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161 | }
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162 | else
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163 | {
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164 | *position = index;
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165 | }
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166 | result = 0;
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167 | break;
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168 | }
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169 | }
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170 | return result;
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171 | }
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172 |
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173 | static int process_header_line(const unsigned char* buffer, size_t len, size_t* position, HTTP_HEADERS_HANDLE resp_header, size_t* contentLen, bool* isChunked)
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174 | {
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175 | int result = MU_FAILURE;
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176 | size_t index;
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177 | const unsigned char* targetPos = buffer;
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178 | bool crlfEncounted = false;
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179 | bool colonEncountered = false;
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180 | char* headerKey = NULL;
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181 | bool continueProcessing = true;
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182 |
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183 | for (index = 0; index < len && continueProcessing; index++)
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184 | {
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185 | if (buffer[index] == ':' && !colonEncountered)
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186 | {
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187 | colonEncountered = true;
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188 | size_t keyLen = (&buffer[index])-targetPos;
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189 |
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190 | if (headerKey != NULL)
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191 | {
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192 | free(headerKey);
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193 | headerKey = NULL;
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194 | }
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195 | headerKey = (char*)malloc(keyLen+1);
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196 | if (headerKey == NULL)
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197 | {
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198 | result = MU_FAILURE;
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199 | continueProcessing = false;
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200 | }
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201 | else
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202 | {
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203 | memcpy(headerKey, targetPos, keyLen);
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204 | headerKey[keyLen] = '\0';
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205 |
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206 | // Convert to lower case
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207 | for (size_t inner = 0; inner < keyLen; inner++)
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208 | {
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209 | headerKey[inner] = (char)tolower(headerKey[inner]);
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210 | }
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211 |
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212 | targetPos = buffer+index+1;
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213 | crlfEncounted = false;
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214 | }
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215 | }
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216 | else if (buffer[index] == '\r')
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217 | {
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218 | if (headerKey != NULL)
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219 | {
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220 | // Remove leading spaces
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221 | while (*targetPos == 32) { targetPos++; }
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222 |
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223 | size_t valueLen = (&buffer[index])-targetPos;
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224 | char* headerValue = (char*)malloc(valueLen+1);
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225 | if (headerValue == NULL)
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226 | {
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227 | result = MU_FAILURE;
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228 | continueProcessing = false;
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229 | }
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230 | else
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231 | {
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232 | memcpy(headerValue, targetPos, valueLen);
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233 | headerValue[valueLen] = '\0';
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234 |
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235 | if (HTTPHeaders_AddHeaderNameValuePair(resp_header, headerKey, headerValue) != HTTP_HEADERS_OK)
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236 | {
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237 | result = MU_FAILURE;
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238 | continueProcessing = false;
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239 | }
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240 | else
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241 | {
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242 | if (strcmp(headerKey, HTTP_CONTENT_LEN) == 0)
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243 | {
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244 | *isChunked = false;
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245 | *contentLen = atol(headerValue);
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246 | }
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247 | else if (strcmp(headerKey, HTTP_TRANSFER_ENCODING) == 0)
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248 | {
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249 | *isChunked = true;
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250 | *contentLen = 0;
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251 | }
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252 | if (index < len)
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253 | {
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254 | *position = index;
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255 | }
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256 | else
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257 | {
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258 | *position = index-1;
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259 | }
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260 | }
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261 | }
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262 | free(headerKey);
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263 | headerKey = NULL;
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264 | free(headerValue);
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265 | }
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266 | }
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267 | else if (buffer[index] == '\n')
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268 | {
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269 | if (crlfEncounted)
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270 | {
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271 | if (index < len)
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272 | {
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273 | *position = index+1;
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274 | }
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275 | else
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276 | {
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277 | *position = index;
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278 | }
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279 | result = 0;
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280 | break;
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281 | }
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282 | else
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283 | {
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284 | colonEncountered = false;
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285 | crlfEncounted = true;
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286 | targetPos = buffer+index+1;
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287 | }
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288 | }
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289 | else
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290 | {
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291 | crlfEncounted = false;
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292 | }
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293 | }
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294 | if (headerKey != NULL)
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295 | {
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296 | free(headerKey);
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297 | }
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298 | return result;
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299 | }
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300 |
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301 | static int write_text_line(HTTP_CLIENT_HANDLE_DATA* http_data, const char* text_line)
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302 | {
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303 | int result;
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304 | if (xio_send(http_data->xio_handle, text_line, strlen(text_line), send_complete_callback, NULL) != 0)
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305 | {
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306 | LogError("Failure calling xio_send.");
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307 | result = MU_FAILURE;
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308 | }
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309 | else
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310 | {
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311 | result = 0;
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312 | if (http_data->trace_on)
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313 | {
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314 | LOG(AZ_LOG_TRACE, LOG_LINE, "%s", text_line);
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315 | }
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316 | }
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317 | return result;
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318 | }
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319 |
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320 | static int write_data_line(HTTP_CLIENT_HANDLE_DATA* http_data, const unsigned char* data_line, size_t length)
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321 | {
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322 | int result;
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323 | if (xio_send(http_data->xio_handle, data_line, length, send_complete_callback, NULL) != 0)
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324 | {
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325 | LogError("Failure calling xio_send.");
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326 | result = MU_FAILURE;
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327 | }
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328 | else
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329 | {
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330 | result = 0;
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331 | if (http_data->trace_on)
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332 | {
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333 | if (length > 0)
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334 | {
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335 | if (http_data->trace_body)
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336 | {
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337 | LOG(AZ_LOG_TRACE, LOG_LINE, "len: %d\r\n%.*s\r\n", (int)length, (int)length, data_line);
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338 | }
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339 | else
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340 | {
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341 | LOG(AZ_LOG_TRACE, LOG_LINE, "<data> len: %d\r\n", (int)length);
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342 | }
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343 | }
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344 | else
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345 | {
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346 | LOG(AZ_LOG_TRACE, LOG_LINE, "len: %d\r\n", (int)length);
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347 | }
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348 | }
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349 | }
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350 | return result;
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351 | }
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352 |
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353 | static int convert_char_to_hex(const unsigned char* hexText, size_t len)
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354 | {
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355 | int result = 0;
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356 | for (size_t index = 0; index < len; index++)
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357 | {
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358 | if (hexText[index] == ';')
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359 | {
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360 | break;
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361 | }
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362 | else
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363 | {
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364 | int accumulator = 0;
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365 | if (hexText[index] >= 48 && hexText[index] <= 57)
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366 | {
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367 | accumulator = hexText[index] - 48;
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368 | }
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369 | else if (hexText[index] >= 65 && hexText[index] <= 70)
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370 | {
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371 | accumulator = hexText[index] - 55;
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372 | }
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373 | else if (hexText[index] >= 97 && hexText[index] <= 102)
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374 | {
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375 | accumulator = hexText[index] - 87;
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376 | }
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377 | if (index > 0)
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378 | {
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379 | result = result << 4;
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380 | }
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381 | result += accumulator;
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382 | }
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383 | }
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384 | return result;
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385 | }
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386 |
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387 | static int setup_init_recv_msg(HTTP_RECV_DATA* recv_msg)
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388 | {
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389 | int result;
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390 | recv_msg->status_code = 0;
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391 | recv_msg->recv_state = state_initial;
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392 | recv_msg->total_body_len = 0;
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393 | if (recv_msg->resp_header != NULL)
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394 | {
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395 | HTTPHeaders_Free(recv_msg->resp_header);
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396 | }
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397 | if (recv_msg->msg_body != NULL)
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398 | {
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399 | BUFFER_delete(recv_msg->msg_body);
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400 | }
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401 | if ((recv_msg->resp_header = HTTPHeaders_Alloc()) == NULL)
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402 | {
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403 | /* Codes_SRS_UHTTP_07_017: [If any failure encountered http_client_execute_request shall return HTTP_CLIENT_ERROR] */
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404 | LogError("Failure allocating http http_data items");
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405 | result = HTTP_CLIENT_ERROR;
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406 | }
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407 | else if ((recv_msg->msg_body = BUFFER_new()) == NULL)
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408 | {
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409 | /* Codes_SRS_UHTTP_07_017: [If any failure encountered http_client_execute_request shall return HTTP_CLIENT_ERROR] */
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410 | LogError("Failure allocating http data items");
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411 | HTTPHeaders_Free(recv_msg->resp_header);
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412 | recv_msg->resp_header = NULL;
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413 | result = HTTP_CLIENT_ERROR;
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414 | }
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415 | else
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416 | {
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417 | result = 0;
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418 | }
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419 | return result;
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420 | }
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421 |
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422 | static void on_bytes_received(void* context, const unsigned char* buffer, size_t len)
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423 | {
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424 | HTTP_CLIENT_HANDLE_DATA* http_data = (HTTP_CLIENT_HANDLE_DATA*)context;
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425 |
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426 | if (http_data != NULL && buffer != NULL && len > 0 && http_data->recv_msg.recv_state != state_error)
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427 | {
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428 | if (http_data->recv_msg.recv_state == state_parse_complete)
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429 | {
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430 | // The callback is getting called during a new send.
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431 | setup_init_recv_msg(&http_data->recv_msg);
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432 |
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433 | }
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434 |
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435 | if (http_data->recv_msg.recv_state == state_initial || http_data->recv_msg.recv_state == state_open)
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436 | {
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437 | if (initialize_received_data(http_data) != 0)
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438 | {
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439 | http_data->recv_msg.recv_state = state_error;
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440 | }
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441 | else
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442 | {
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443 | http_data->recv_msg.recv_state = state_process_status_line;
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444 | }
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445 | }
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446 |
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447 | // Put the data in the buffer
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448 | if (BUFFER_append_build(http_data->recv_msg.accrual_buff, buffer, len) != 0)
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449 | {
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450 | /* Codes_SRS_UHTTP_07_048: [ If any error is encountered on_bytes_received shall set the state to error. ] */
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451 | LogError("Failure appending bytes to buffer.");
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452 | http_data->recv_msg.recv_state = state_error;
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453 | }
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454 |
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455 | if (http_data->recv_msg.recv_state == state_process_status_line)
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456 | {
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457 | size_t index = 0;
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458 | const unsigned char* stored_bytes = BUFFER_u_char(http_data->recv_msg.accrual_buff);
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459 | size_t stored_len = BUFFER_length(http_data->recv_msg.accrual_buff);
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460 |
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461 | int lineComplete = process_status_code_line(stored_bytes, stored_len, &index, &http_data->recv_msg.status_code);
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462 | if (lineComplete == 0 && http_data->recv_msg.status_code > 0)
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463 | {
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464 | if (BUFFER_shrink(http_data->recv_msg.accrual_buff, index, false) != 0)
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465 | {
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466 | LogError("Failure appending bytes to buffer.");
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467 | http_data->recv_msg.recv_state = state_error;
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468 | }
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469 | else
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470 | {
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471 | http_data->recv_msg.recv_state = state_process_headers;
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472 | }
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473 | }
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474 | }
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475 |
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---|
476 | if (http_data->recv_msg.recv_state == state_process_headers)
|
---|
477 | {
|
---|
478 | size_t index = 0;
|
---|
479 | const unsigned char* stored_bytes = BUFFER_u_char(http_data->recv_msg.accrual_buff);
|
---|
480 | size_t stored_len = BUFFER_length(http_data->recv_msg.accrual_buff);
|
---|
481 |
|
---|
482 | int headerComplete = process_header_line(stored_bytes, stored_len, &index, http_data->recv_msg.resp_header, &http_data->recv_msg.total_body_len, &http_data->recv_msg.chunked_reply);
|
---|
483 | if (headerComplete == 0)
|
---|
484 | {
|
---|
485 | if (http_data->recv_msg.total_body_len == 0)
|
---|
486 | {
|
---|
487 | if (http_data->recv_msg.chunked_reply)
|
---|
488 | {
|
---|
489 |
|
---|
490 | /* Codes_SRS_UHTTP_07_054: [ If the http header does not include a content length then it indicates a chunk response. ] */
|
---|
491 | http_data->recv_msg.recv_state = state_process_chunked_body;
|
---|
492 | }
|
---|
493 | else
|
---|
494 | {
|
---|
495 | // Content len is 0 so we are finished with the body
|
---|
496 | http_data->recv_msg.recv_state = state_send_user_callback;
|
---|
497 | }
|
---|
498 | }
|
---|
499 | else
|
---|
500 | {
|
---|
501 | http_data->recv_msg.recv_state = state_process_body;
|
---|
502 | }
|
---|
503 | }
|
---|
504 | if (index > 0)
|
---|
505 | {
|
---|
506 | if (BUFFER_shrink(http_data->recv_msg.accrual_buff, index, false) != 0)
|
---|
507 | {
|
---|
508 | LogError("Failure appending bytes to buffer.");
|
---|
509 | http_data->recv_msg.recv_state = state_error;
|
---|
510 | }
|
---|
511 | }
|
---|
512 | }
|
---|
513 |
|
---|
514 | if (http_data->recv_msg.recv_state == state_process_body)
|
---|
515 | {
|
---|
516 | if (http_data->recv_msg.total_body_len != 0)
|
---|
517 | {
|
---|
518 | size_t stored_len = BUFFER_length(http_data->recv_msg.accrual_buff);
|
---|
519 |
|
---|
520 | if ((http_data->recv_msg.total_body_len == stored_len) || (http_data->recv_msg.total_body_len == (stored_len - HTTP_END_TOKEN_LEN)))
|
---|
521 | {
|
---|
522 | if (http_data->recv_msg.msg_body != NULL)
|
---|
523 | {
|
---|
524 | BUFFER_delete(http_data->recv_msg.msg_body);
|
---|
525 | }
|
---|
526 | if ((http_data->recv_msg.msg_body = BUFFER_clone(http_data->recv_msg.accrual_buff)) == NULL)
|
---|
527 | {
|
---|
528 | LogError("Failure cloning BUFFER.");
|
---|
529 | http_data->recv_msg.recv_state = state_error;
|
---|
530 | }
|
---|
531 | else
|
---|
532 | {
|
---|
533 | http_data->recv_msg.recv_state = state_send_user_callback;
|
---|
534 | }
|
---|
535 | }
|
---|
536 | else if (stored_len > http_data->recv_msg.total_body_len)
|
---|
537 | {
|
---|
538 | LogError("Failure bytes encountered is greater then body length.");
|
---|
539 | http_data->recv_msg.recv_state = state_error;
|
---|
540 | }
|
---|
541 | }
|
---|
542 | }
|
---|
543 |
|
---|
544 | if (http_data->recv_msg.recv_state == state_process_chunked_body)
|
---|
545 | {
|
---|
546 | const unsigned char* iterator = BUFFER_u_char(http_data->recv_msg.accrual_buff);
|
---|
547 | const unsigned char* initial_pos = iterator;
|
---|
548 | const unsigned char* begin = iterator;
|
---|
549 | const unsigned char* end = iterator;
|
---|
550 | size_t accural_len = BUFFER_length(http_data->recv_msg.accrual_buff);
|
---|
551 |
|
---|
552 | /* Codes_SRS_UHTTP_07_059: [ on_bytes_received shall loop throught the stored data to find the /r/n separator. ] */
|
---|
553 | while (iterator < (initial_pos + accural_len))
|
---|
554 | {
|
---|
555 | if (*iterator == '\r')
|
---|
556 | {
|
---|
557 | // Don't need anything
|
---|
558 | end = iterator;
|
---|
559 | iterator++;
|
---|
560 | }
|
---|
561 | else if (*iterator == '\n')
|
---|
562 | {
|
---|
563 | size_t data_length = 0;
|
---|
564 |
|
---|
565 | /* Codes_SRS_UHTTP_07_055: [ on_bytes_received shall convert the hexs length supplied in the response to the data length of the chunked data. ] */
|
---|
566 | size_t hex_len = end - begin;
|
---|
567 | data_length = convert_char_to_hex(begin, hex_len);
|
---|
568 | if (data_length == 0)
|
---|
569 | {
|
---|
570 | if (accural_len - (iterator - initial_pos + 1) <= HTTP_END_TOKEN_LEN)
|
---|
571 | {
|
---|
572 | http_data->recv_msg.recv_state = state_send_user_callback;
|
---|
573 | }
|
---|
574 | else
|
---|
575 | {
|
---|
576 | // Need to continue parsing
|
---|
577 | http_data->recv_msg.recv_state = state_process_headers;
|
---|
578 | }
|
---|
579 | break;
|
---|
580 | }
|
---|
581 | else if ((data_length + HTTP_CRLF_LEN) < accural_len - (iterator - initial_pos))
|
---|
582 | {
|
---|
583 | /* Codes_SRS_UHTTP_07_056: [ After the response chunk is parsed it shall be placed in a BUFFER_HANDLE. ] */
|
---|
584 | iterator += 1;
|
---|
585 | if (BUFFER_append_build(http_data->recv_msg.msg_body, iterator, data_length) != 0)
|
---|
586 | {
|
---|
587 | /* Codes_SRS_UHTTP_07_048: [ If any error is encountered on_bytes_received shall set the stop processing the request. ] */
|
---|
588 | LogError("Failure building buffer for chunked data.");
|
---|
589 | http_data->recv_msg.recv_state = state_error;
|
---|
590 | }
|
---|
591 | else
|
---|
592 | {
|
---|
593 | /* Codes_SRS_UHTTP_07_060: [ if the data_length specified in the chunk is beyond the amount of data recieved, the parsing shall end and wait for more data. ] */
|
---|
594 | if (iterator + (data_length + HTTP_CRLF_LEN) > initial_pos + accural_len)
|
---|
595 | {
|
---|
596 | LogError("Invalid length specified.");
|
---|
597 | http_data->recv_msg.recv_state = state_error;
|
---|
598 | break;
|
---|
599 | }
|
---|
600 | else if (iterator + (data_length + HTTP_CRLF_LEN) == initial_pos + accural_len)
|
---|
601 | {
|
---|
602 | if (BUFFER_shrink(http_data->recv_msg.accrual_buff, accural_len, false) != 0)
|
---|
603 | {
|
---|
604 | LogError("Failure shrinking accural buffer.");
|
---|
605 | http_data->recv_msg.recv_state = state_error;
|
---|
606 | }
|
---|
607 | break;
|
---|
608 | }
|
---|
609 | else
|
---|
610 | {
|
---|
611 | // Move the iterator beyond the data we read and the /r/n
|
---|
612 | iterator += (data_length + HTTP_CRLF_LEN);
|
---|
613 | }
|
---|
614 |
|
---|
615 | /* Codes_SRS_UHTTP_07_058: [ Once a chunk size value of 0 is encountered on_bytes_received shall call the on_request_callback with the http message ] */
|
---|
616 | if (*iterator == '0' && (accural_len - (iterator - initial_pos + 1) <= HTTP_END_TOKEN_LEN))
|
---|
617 | {
|
---|
618 | if (accural_len - (iterator - initial_pos + 1) <= HTTP_END_TOKEN_LEN)
|
---|
619 | {
|
---|
620 | http_data->recv_msg.recv_state = state_send_user_callback;
|
---|
621 | }
|
---|
622 | else
|
---|
623 | {
|
---|
624 | // Need to continue parsing
|
---|
625 | http_data->recv_msg.recv_state = state_process_headers;
|
---|
626 | }
|
---|
627 | break;
|
---|
628 | }
|
---|
629 | else
|
---|
630 | {
|
---|
631 | size_t shrink_len = iterator - initial_pos;
|
---|
632 | if (shrink_len > 0)
|
---|
633 | {
|
---|
634 | if (BUFFER_shrink(http_data->recv_msg.accrual_buff, shrink_len, false) != 0)
|
---|
635 | {
|
---|
636 | LogError("Failure shrinking accrual buffer.");
|
---|
637 | http_data->recv_msg.recv_state = state_error;
|
---|
638 | }
|
---|
639 | else
|
---|
640 | {
|
---|
641 | accural_len = BUFFER_length(http_data->recv_msg.accrual_buff);
|
---|
642 | initial_pos = iterator = BUFFER_u_char(http_data->recv_msg.accrual_buff);
|
---|
643 | }
|
---|
644 | }
|
---|
645 | }
|
---|
646 | }
|
---|
647 | begin = end = iterator;
|
---|
648 | }
|
---|
649 | else
|
---|
650 | {
|
---|
651 | break;
|
---|
652 | }
|
---|
653 | }
|
---|
654 | else
|
---|
655 | {
|
---|
656 | end = iterator;
|
---|
657 | iterator++;
|
---|
658 | }
|
---|
659 | }
|
---|
660 | }
|
---|
661 |
|
---|
662 | if (http_data->recv_msg.recv_state == state_send_user_callback || http_data->recv_msg.recv_state == state_error)
|
---|
663 | {
|
---|
664 | const unsigned char* reply_data = NULL;
|
---|
665 | size_t reply_len = 0;
|
---|
666 | HTTP_CALLBACK_REASON http_reason = HTTP_CALLBACK_REASON_OK;
|
---|
667 | if (http_data->recv_msg.msg_body != NULL)
|
---|
668 | {
|
---|
669 | reply_data = BUFFER_u_char(http_data->recv_msg.msg_body);
|
---|
670 | reply_len = BUFFER_length(http_data->recv_msg.msg_body);
|
---|
671 | }
|
---|
672 | if (http_data->recv_msg.recv_state == state_error)
|
---|
673 | {
|
---|
674 | http_reason = HTTP_CALLBACK_REASON_PARSING_ERROR;
|
---|
675 | }
|
---|
676 | if (http_data->trace_on)
|
---|
677 | {
|
---|
678 | LOG(AZ_LOG_TRACE, LOG_LINE, "\r\nHTTP Status: %d\r\n", http_data->recv_msg.status_code);
|
---|
679 |
|
---|
680 | // Loop through headers
|
---|
681 | size_t count;
|
---|
682 | if (HTTPHeaders_GetHeaderCount(http_data->recv_msg.resp_header, &count) == 0)
|
---|
683 | {
|
---|
684 | for (size_t index = 0; index < count; index++)
|
---|
685 | {
|
---|
686 | char* header;
|
---|
687 | if (HTTPHeaders_GetHeader(http_data->recv_msg.resp_header, index, &header) == HTTP_HEADERS_OK)
|
---|
688 | {
|
---|
689 | LOG(AZ_LOG_TRACE, LOG_LINE, "%s", header);
|
---|
690 | free(header);
|
---|
691 | }
|
---|
692 | }
|
---|
693 | }
|
---|
694 | if (http_data->trace_body && reply_len > 0)
|
---|
695 | {
|
---|
696 | LOG(AZ_LOG_TRACE, LOG_LINE, "\r\n%.*s\r\n", (int)reply_len, reply_data);
|
---|
697 | }
|
---|
698 | }
|
---|
699 | http_data->recv_msg.on_request_callback(http_data->recv_msg.user_ctx, http_reason, reply_data, reply_len, http_data->recv_msg.status_code, http_data->recv_msg.resp_header);
|
---|
700 | http_data->recv_msg.recv_state = state_parse_complete;
|
---|
701 | }
|
---|
702 |
|
---|
703 | if (http_data->recv_msg.recv_state == state_parse_complete)
|
---|
704 | {
|
---|
705 | HTTPHeaders_Free(http_data->recv_msg.resp_header);
|
---|
706 | http_data->recv_msg.resp_header = NULL;
|
---|
707 | BUFFER_delete(http_data->recv_msg.msg_body);
|
---|
708 | http_data->recv_msg.msg_body = NULL;
|
---|
709 | BUFFER_delete(http_data->recv_msg.accrual_buff);
|
---|
710 | http_data->recv_msg.accrual_buff = NULL;
|
---|
711 | }
|
---|
712 | }
|
---|
713 | }
|
---|
714 |
|
---|
715 | static void on_xio_close_complete(void* context)
|
---|
716 | {
|
---|
717 | if (context != NULL)
|
---|
718 | {
|
---|
719 | /* Codes_SRS_UHTTP_07_045: [ If on_close_callback is not NULL, on_close_callback shall be called once the underlying xio is closed. ] */
|
---|
720 | HTTP_CLIENT_HANDLE_DATA* http_data = (HTTP_CLIENT_HANDLE_DATA*)context;
|
---|
721 | if (http_data->on_close_callback)
|
---|
722 | {
|
---|
723 | http_data->on_close_callback(http_data->close_user_ctx);
|
---|
724 | }
|
---|
725 | http_data->recv_msg.recv_state = state_closed;
|
---|
726 | http_data->connected = 0;
|
---|
727 | }
|
---|
728 | }
|
---|
729 |
|
---|
730 | static void on_xio_open_complete(void* context, IO_OPEN_RESULT open_result)
|
---|
731 | {
|
---|
732 | /* Codes_SRS_UHTTP_07_049: [ If not NULL uhttp_client_open shall call the on_connect callback with the callback_ctx, once the underlying xio's open is complete. ] */
|
---|
733 | if (context != NULL)
|
---|
734 | {
|
---|
735 | HTTP_CLIENT_HANDLE_DATA* http_data = (HTTP_CLIENT_HANDLE_DATA*)context;
|
---|
736 | if (open_result == IO_OPEN_OK)
|
---|
737 | {
|
---|
738 | /* Codes_SRS_UHTTP_07_042: [ If the underlying socket opens successfully the on_connect callback shall be call with HTTP_CALLBACK_REASON_OK... ] */
|
---|
739 | if (http_data->on_connect != NULL)
|
---|
740 | {
|
---|
741 | http_data->on_connect(http_data->connect_user_ctx, HTTP_CALLBACK_REASON_OK);
|
---|
742 | }
|
---|
743 | http_data->recv_msg.recv_state = state_open;
|
---|
744 | http_data->connected = 1;
|
---|
745 | }
|
---|
746 | else
|
---|
747 | {
|
---|
748 | /* Codes_SRS_UHTTP_07_043: [ Otherwise on_connect callback shall be call with HTTP_CLIENT_OPEN_REQUEST_FAILED. ] */
|
---|
749 | if (http_data->on_connect != NULL)
|
---|
750 | {
|
---|
751 | http_data->on_connect(http_data->connect_user_ctx, HTTP_CALLBACK_REASON_OPEN_FAILED);
|
---|
752 | }
|
---|
753 | }
|
---|
754 | }
|
---|
755 | else
|
---|
756 | {
|
---|
757 | LogError("Context on_xio_open_complete is NULL");
|
---|
758 | }
|
---|
759 | }
|
---|
760 |
|
---|
761 | static void on_io_error(void* context)
|
---|
762 | {
|
---|
763 | /* Codes_SRS_UHTTP_07_050: [ if context is NULL on_io_error shall do nothing. ] */
|
---|
764 | if (context != NULL)
|
---|
765 | {
|
---|
766 | HTTP_CLIENT_HANDLE_DATA* http_data = (HTTP_CLIENT_HANDLE_DATA*)context;
|
---|
767 | /* Codes_SRS_UHTTP_07_051: [ if on_error callback is not NULL, on_io_error shall call on_error callback. ] */
|
---|
768 | if (http_data->on_error)
|
---|
769 | {
|
---|
770 | http_data->on_error(http_data->error_user_ctx, HTTP_CALLBACK_REASON_ERROR);
|
---|
771 | }
|
---|
772 | http_data->connected = 0;
|
---|
773 | }
|
---|
774 | else
|
---|
775 | {
|
---|
776 | LogError("Context on_io_error is NULL");
|
---|
777 | }
|
---|
778 | }
|
---|
779 |
|
---|
780 | static int construct_http_headers(HTTP_HEADERS_HANDLE http_header, size_t content_len, STRING_HANDLE buffData, bool chunk_data, const char* hostname, int port_num)
|
---|
781 | {
|
---|
782 | (void)chunk_data;
|
---|
783 | int result = 0;
|
---|
784 | size_t headerCnt = 0;
|
---|
785 | if ( (http_header != NULL) && HTTPHeaders_GetHeaderCount(http_header, &headerCnt) != HTTP_HEADERS_OK)
|
---|
786 | {
|
---|
787 | LogError("Failed in HTTPHeaders_GetHeaderCount");
|
---|
788 | result = MU_FAILURE;
|
---|
789 | }
|
---|
790 | else
|
---|
791 | {
|
---|
792 | bool hostname_found = false;
|
---|
793 | for (size_t index = 0; index < headerCnt && result == 0; index++)
|
---|
794 | {
|
---|
795 | char* header;
|
---|
796 | if (HTTPHeaders_GetHeader(http_header, index, &header) != HTTP_HEADERS_OK)
|
---|
797 | {
|
---|
798 | result = MU_FAILURE;
|
---|
799 | LogError("Failed in HTTPHeaders_GetHeader");
|
---|
800 | }
|
---|
801 | else
|
---|
802 | {
|
---|
803 | size_t dataLen = strlen(header)+2;
|
---|
804 | char* sendData = malloc(dataLen+1);
|
---|
805 | if (sendData == NULL)
|
---|
806 | {
|
---|
807 | result = MU_FAILURE;
|
---|
808 | LogError("Failed in allocating header data");
|
---|
809 | }
|
---|
810 | else
|
---|
811 | {
|
---|
812 | if (strcmp(header, HTTP_HOST) == 0)
|
---|
813 | {
|
---|
814 | hostname_found = true;
|
---|
815 | }
|
---|
816 |
|
---|
817 | if (snprintf(sendData, dataLen+1, "%s\r\n", header) <= 0)
|
---|
818 | {
|
---|
819 | result = MU_FAILURE;
|
---|
820 | LogError("Failed in constructing header data");
|
---|
821 | }
|
---|
822 | else
|
---|
823 | {
|
---|
824 | if (STRING_concat(buffData, sendData) != 0)
|
---|
825 | {
|
---|
826 | result = MU_FAILURE;
|
---|
827 | LogError("Failed in building header data");
|
---|
828 | }
|
---|
829 | }
|
---|
830 | free(sendData);
|
---|
831 | }
|
---|
832 | free(header);
|
---|
833 | }
|
---|
834 | }
|
---|
835 | if (!hostname_found)
|
---|
836 | {
|
---|
837 | // calculate the size of the host header
|
---|
838 | size_t host_len = strlen(HTTP_HOST) + strlen(hostname) + MAX_CONTENT_LENGTH + 2;
|
---|
839 | char* host_header = malloc(host_len + 1);
|
---|
840 | if (host_header == NULL)
|
---|
841 | {
|
---|
842 | LogError("Failed allocating host header");
|
---|
843 | result = MU_FAILURE;
|
---|
844 | }
|
---|
845 | else
|
---|
846 | {
|
---|
847 | if (snprintf(host_header, host_len + 1, "%s: %s:%d\r\n", HTTP_HOST, hostname, port_num) <= 0)
|
---|
848 | {
|
---|
849 | LogError("Failed constructing host header");
|
---|
850 | result = MU_FAILURE;
|
---|
851 | }
|
---|
852 | else if (STRING_concat(buffData, host_header) != 0)
|
---|
853 | {
|
---|
854 | LogError("Failed adding the host header to the http item");
|
---|
855 | result = MU_FAILURE;
|
---|
856 | }
|
---|
857 | free(host_header);
|
---|
858 | }
|
---|
859 | }
|
---|
860 |
|
---|
861 | if (result == 0)
|
---|
862 | {
|
---|
863 | /* Codes_SRS_UHTTP_07_015: [uhttp_client_execute_request shall add the Content-Length to the request if the contentLength is > 0] */
|
---|
864 | size_t fmtLen = strlen(HTTP_CONTENT_LEN) + HTTP_CRLF_LEN + 8;
|
---|
865 | char* content = malloc(fmtLen+1);
|
---|
866 | if (content == NULL)
|
---|
867 | {
|
---|
868 | LogError("Failed allocating chunk header");
|
---|
869 | result = MU_FAILURE;
|
---|
870 | }
|
---|
871 | else
|
---|
872 | {
|
---|
873 | /* Codes_SRS_UHTTP_07_015: [on_bytes_received shall add the Content-Length http header item to the request.] */
|
---|
874 | if (sprintf(content, "%s: %u%s", HTTP_CONTENT_LEN, (unsigned int)content_len, HTTP_CRLF_VALUE) <= 0)
|
---|
875 | {
|
---|
876 | result = MU_FAILURE;
|
---|
877 | LogError("Failed allocating content len header data");
|
---|
878 | }
|
---|
879 | else
|
---|
880 | {
|
---|
881 | if (STRING_concat(buffData, content) != 0)
|
---|
882 | {
|
---|
883 | result = MU_FAILURE;
|
---|
884 | LogError("Failed building content len header data");
|
---|
885 | }
|
---|
886 | }
|
---|
887 | free(content);
|
---|
888 | }
|
---|
889 |
|
---|
890 | if (STRING_concat(buffData, "\r\n") != 0)
|
---|
891 | {
|
---|
892 | result = MU_FAILURE;
|
---|
893 | LogError("Failed sending header finalization data");
|
---|
894 | }
|
---|
895 | }
|
---|
896 | }
|
---|
897 | return result;
|
---|
898 | }
|
---|
899 |
|
---|
900 | static STRING_HANDLE construct_http_data(HTTP_CLIENT_REQUEST_TYPE request_type, const char* relative_path, STRING_HANDLE http_line)
|
---|
901 | {
|
---|
902 | STRING_HANDLE result;
|
---|
903 |
|
---|
904 | const char* method = (request_type == HTTP_CLIENT_REQUEST_GET) ? "GET"
|
---|
905 | : (request_type == HTTP_CLIENT_REQUEST_OPTIONS) ? "OPTIONS"
|
---|
906 | : (request_type == HTTP_CLIENT_REQUEST_POST) ? "POST"
|
---|
907 | : (request_type == HTTP_CLIENT_REQUEST_PUT) ? "PUT"
|
---|
908 | : (request_type == HTTP_CLIENT_REQUEST_DELETE) ? "DELETE"
|
---|
909 | : (request_type == HTTP_CLIENT_REQUEST_PATCH) ? "PATCH"
|
---|
910 | : NULL;
|
---|
911 | /* Codes_SRS_UHTTP_07_014: [If the request_type is not a valid request http_client_execute_request shall return HTTP_CLIENT_ERROR] */
|
---|
912 | if (method == NULL)
|
---|
913 | {
|
---|
914 | LogError("Invalid request method %s specified", method);
|
---|
915 | result = NULL;
|
---|
916 | }
|
---|
917 | else
|
---|
918 | {
|
---|
919 | size_t buffLen = strlen(HTTP_REQUEST_LINE_FMT) + strlen(method) + strlen(relative_path);
|
---|
920 | char* request = malloc(buffLen+1);
|
---|
921 | if (request == NULL)
|
---|
922 | {
|
---|
923 | result = NULL;
|
---|
924 | LogError("Failure allocating Request data");
|
---|
925 | }
|
---|
926 | else
|
---|
927 | {
|
---|
928 | if (snprintf(request, buffLen + 1, HTTP_REQUEST_LINE_FMT, method, relative_path) <= 0)
|
---|
929 | {
|
---|
930 | result = NULL;
|
---|
931 | LogError("Failure writing request buffer");
|
---|
932 | }
|
---|
933 | else
|
---|
934 | {
|
---|
935 | result = STRING_construct(request);
|
---|
936 | if (result == NULL)
|
---|
937 | {
|
---|
938 | LogError("Failure creating buffer object");
|
---|
939 | }
|
---|
940 | else if (STRING_concat_with_STRING(result, http_line) != 0)
|
---|
941 | {
|
---|
942 | STRING_delete(result);
|
---|
943 | result = NULL;
|
---|
944 | LogError("Failure writing request buffers");
|
---|
945 | }
|
---|
946 | }
|
---|
947 | free(request);
|
---|
948 | }
|
---|
949 | }
|
---|
950 | return result;
|
---|
951 | }
|
---|
952 |
|
---|
953 | static int send_http_data(HTTP_CLIENT_HANDLE_DATA* http_data, HTTP_CLIENT_REQUEST_TYPE request_type, const char* relative_path,
|
---|
954 | STRING_HANDLE http_line)
|
---|
955 | {
|
---|
956 | int result;
|
---|
957 | STRING_HANDLE transmit_data = construct_http_data(request_type, relative_path, http_line);
|
---|
958 | if (transmit_data == NULL)
|
---|
959 | {
|
---|
960 | LogError("Failure constructing http data");
|
---|
961 | result = MU_FAILURE;
|
---|
962 | }
|
---|
963 | else
|
---|
964 | {
|
---|
965 | /* Tests_SRS_UHTTP_07_016: [http_client_execute_request shall transmit the http headers data through a call to xio_send;]*/
|
---|
966 | if (write_text_line(http_data, STRING_c_str(transmit_data) ) != 0)
|
---|
967 | {
|
---|
968 | result = MU_FAILURE;
|
---|
969 | LogError("Failure writing request buffer");
|
---|
970 | }
|
---|
971 | else
|
---|
972 | {
|
---|
973 | result = 0;
|
---|
974 | }
|
---|
975 | STRING_delete(transmit_data);
|
---|
976 | }
|
---|
977 | return result;
|
---|
978 | }
|
---|
979 |
|
---|
980 | HTTP_CLIENT_HANDLE uhttp_client_create(const IO_INTERFACE_DESCRIPTION* io_interface_desc, const void* xio_param, ON_HTTP_ERROR_CALLBACK on_http_error, void* callback_ctx)
|
---|
981 | {
|
---|
982 | HTTP_CLIENT_HANDLE_DATA* result;
|
---|
983 | /* Codes_SRS_UHTTP_07_002: [If io_interface_desc is NULL, uhttp_client_create shall return NULL.] */
|
---|
984 | if (io_interface_desc == NULL)
|
---|
985 | {
|
---|
986 | LogError("Invalid Parameter io_interface_desc is NULL");
|
---|
987 | result = NULL;
|
---|
988 | }
|
---|
989 | else
|
---|
990 | {
|
---|
991 | result = malloc(sizeof(HTTP_CLIENT_HANDLE_DATA));
|
---|
992 | if (result == NULL)
|
---|
993 | {
|
---|
994 | /* Codes_SRS_UHTTP_07_003: [If uhttp_client_create encounters any error then it shall return NULL] */
|
---|
995 | LogError("Failure allocating http_client_handle");
|
---|
996 | }
|
---|
997 | else
|
---|
998 | {
|
---|
999 | memset(result, 0, sizeof(HTTP_CLIENT_HANDLE_DATA) );
|
---|
1000 | if ((result->data_list = singlylinkedlist_create() ) == NULL)
|
---|
1001 | {
|
---|
1002 | /* Codes_SRS_UHTTP_07_003: [If uhttp_client_create encounters any error then it shall return NULL] */
|
---|
1003 | LogError("Failure allocating data list");
|
---|
1004 | free(result);
|
---|
1005 | result = NULL;
|
---|
1006 | }
|
---|
1007 | else if ((result->xio_handle = xio_create(io_interface_desc, xio_param) ) == NULL)
|
---|
1008 | {
|
---|
1009 | /* Codes_SRS_UHTTP_07_044: [ if a failure is encountered on xio_open uhttp_client_open shall return HTTP_CLIENT_OPEN_REQUEST_FAILED. ] */
|
---|
1010 | LogError("xio create failed");
|
---|
1011 | singlylinkedlist_destroy(result->data_list);
|
---|
1012 | free(result);
|
---|
1013 | result = NULL;
|
---|
1014 | }
|
---|
1015 | else
|
---|
1016 | {
|
---|
1017 | /* Codes_SRS_UHTTP_07_001: [uhttp_client_create shall return an initialize the http client handle.] */
|
---|
1018 | result->on_error = on_http_error;
|
---|
1019 | result->error_user_ctx = callback_ctx;
|
---|
1020 | result->recv_msg.recv_state = state_initial;
|
---|
1021 | result->chunk_request = false;
|
---|
1022 | result->trace_on = false;
|
---|
1023 | }
|
---|
1024 | }
|
---|
1025 | }
|
---|
1026 | return (HTTP_CLIENT_HANDLE)result;
|
---|
1027 | }
|
---|
1028 |
|
---|
1029 | void uhttp_client_destroy(HTTP_CLIENT_HANDLE handle)
|
---|
1030 | {
|
---|
1031 | /* Codes_SRS_UHTTP_07_004: [ If handle is NULL then uhttp_client_destroy shall do nothing ] */
|
---|
1032 | if (handle != NULL)
|
---|
1033 | {
|
---|
1034 | /* Codes_SRS_UHTTP_07_005: [uhttp_client_destroy shall free any resource that is allocated in this translation unit] */
|
---|
1035 | if(handle->host_name != NULL)
|
---|
1036 | {
|
---|
1037 | free(handle->host_name);
|
---|
1038 | handle->host_name = NULL;
|
---|
1039 | }
|
---|
1040 | singlylinkedlist_destroy(handle->data_list);
|
---|
1041 | xio_destroy(handle->xio_handle);
|
---|
1042 | free(handle->certificate);
|
---|
1043 | free(handle->x509_pk);
|
---|
1044 | free(handle->x509_cert);
|
---|
1045 | free(handle);
|
---|
1046 | }
|
---|
1047 | }
|
---|
1048 |
|
---|
1049 | HTTP_CLIENT_RESULT uhttp_client_open(HTTP_CLIENT_HANDLE handle, const char* host, int port_num, ON_HTTP_OPEN_COMPLETE_CALLBACK on_connect, void* callback_ctx)
|
---|
1050 | {
|
---|
1051 | HTTP_CLIENT_RESULT result;
|
---|
1052 | if (handle == NULL || host == NULL)
|
---|
1053 | {
|
---|
1054 | /* Codes_SRS_UHTTP_07_006: [If handle, io_interface_desc or host is NULL then `uhttp_client_open` shall return HTTP_CLIENT_INVALID_ARG] */
|
---|
1055 | LogError("Invalid handle value");
|
---|
1056 | result = HTTP_CLIENT_INVALID_ARG;
|
---|
1057 | }
|
---|
1058 | else
|
---|
1059 | {
|
---|
1060 | HTTP_CLIENT_HANDLE_DATA* http_data = (HTTP_CLIENT_HANDLE_DATA*)handle;
|
---|
1061 |
|
---|
1062 | if ((http_data->recv_msg.recv_state != state_initial) &&
|
---|
1063 | (http_data->recv_msg.recv_state != state_error) &&
|
---|
1064 | (http_data->recv_msg.recv_state != state_closed))
|
---|
1065 | {
|
---|
1066 | LogError("Unable to open previously open client.");
|
---|
1067 | result = HTTP_CLIENT_INVALID_STATE;
|
---|
1068 | }
|
---|
1069 | else
|
---|
1070 | {
|
---|
1071 | if (http_data->host_name != NULL)
|
---|
1072 | {
|
---|
1073 | free(http_data->host_name);
|
---|
1074 | handle->host_name = NULL;
|
---|
1075 | }
|
---|
1076 |
|
---|
1077 | if (mallocAndStrcpy_s(&http_data->host_name, host) != 0)
|
---|
1078 | {
|
---|
1079 | LogError("copying hostname has failed");
|
---|
1080 | result = HTTP_CLIENT_ERROR;
|
---|
1081 | }
|
---|
1082 | /* Codes_SRS_UHTTP_07_007: [http_client_connect shall attempt to open the xio_handle. ] */
|
---|
1083 | else
|
---|
1084 | {
|
---|
1085 | result = HTTP_CLIENT_OK;
|
---|
1086 | http_data->recv_msg.recv_state = state_opening;
|
---|
1087 | http_data->on_connect = on_connect;
|
---|
1088 | http_data->connect_user_ctx = callback_ctx;
|
---|
1089 | http_data->port_num = port_num;
|
---|
1090 |
|
---|
1091 | if ((http_data->x509_cert != NULL) && (http_data->x509_pk != NULL))
|
---|
1092 | {
|
---|
1093 | if ((xio_setoption(http_data->xio_handle, SU_OPTION_X509_CERT, http_data->x509_cert) != 0) ||
|
---|
1094 | (xio_setoption(http_data->xio_handle, SU_OPTION_X509_PRIVATE_KEY, http_data->x509_pk) != 0))
|
---|
1095 | {
|
---|
1096 | LogError("Failed setting x509 certificate");
|
---|
1097 | result = HTTP_CLIENT_ERROR;
|
---|
1098 | free(http_data->host_name);
|
---|
1099 | http_data->host_name = NULL;
|
---|
1100 | http_data->on_connect = NULL;
|
---|
1101 | http_data->connect_user_ctx = NULL;
|
---|
1102 | http_data->port_num = 0;
|
---|
1103 | }
|
---|
1104 | }
|
---|
1105 |
|
---|
1106 | if ((result == HTTP_CLIENT_OK) && (http_data->certificate != NULL))
|
---|
1107 | {
|
---|
1108 | if (xio_setoption(http_data->xio_handle, OPTION_TRUSTED_CERT, http_data->certificate) != 0)
|
---|
1109 | {
|
---|
1110 | LogError("Failed setting Trusted certificate");
|
---|
1111 | result = HTTP_CLIENT_ERROR;
|
---|
1112 | free(http_data->host_name);
|
---|
1113 | http_data->host_name = NULL;
|
---|
1114 | http_data->on_connect = NULL;
|
---|
1115 | http_data->connect_user_ctx = NULL;
|
---|
1116 | http_data->port_num = 0;
|
---|
1117 | }
|
---|
1118 | }
|
---|
1119 |
|
---|
1120 | if (result == HTTP_CLIENT_OK)
|
---|
1121 | {
|
---|
1122 | if (xio_open(http_data->xio_handle, on_xio_open_complete, http_data, on_bytes_received, http_data, on_io_error, http_data) != 0)
|
---|
1123 | {
|
---|
1124 | /* Codes_SRS_UHTTP_07_044: [ if a failure is encountered on xio_open uhttp_client_open shall return HTTP_CLIENT_OPEN_REQUEST_FAILED. ] */
|
---|
1125 | LogError("opening xio failed");
|
---|
1126 | free(http_data->host_name);
|
---|
1127 | http_data->host_name = NULL;
|
---|
1128 | http_data->on_connect = NULL;
|
---|
1129 | http_data->connect_user_ctx = NULL;
|
---|
1130 | http_data->port_num = 0;
|
---|
1131 | http_data->recv_msg.recv_state = state_error;
|
---|
1132 |
|
---|
1133 | result = HTTP_CLIENT_OPEN_FAILED;
|
---|
1134 | }
|
---|
1135 | else
|
---|
1136 | {
|
---|
1137 | /* Codes_SRS_UHTTP_07_008: [If http_client_connect succeeds then it shall return HTTP_CLIENT_OK] */
|
---|
1138 | result = HTTP_CLIENT_OK;
|
---|
1139 | }
|
---|
1140 | }
|
---|
1141 | }
|
---|
1142 | }
|
---|
1143 | }
|
---|
1144 | return result;
|
---|
1145 | }
|
---|
1146 |
|
---|
1147 | void uhttp_client_close(HTTP_CLIENT_HANDLE handle, ON_HTTP_CLOSED_CALLBACK on_close_callback, void* callback_ctx)
|
---|
1148 | {
|
---|
1149 | HTTP_CLIENT_HANDLE_DATA* http_data = (HTTP_CLIENT_HANDLE_DATA*)handle;
|
---|
1150 | /* Codes_SRS_UHTTP_07_009: [If handle is NULL then http_client_close shall do nothing] */
|
---|
1151 | /* Codes_SRS_UHTTP_07_049: [ If the state has been previously set to state_closed, uhttp_client_close shall do nothing. ] */
|
---|
1152 | if (http_data != NULL && http_data->recv_msg.recv_state != state_closed && http_data->recv_msg.recv_state != state_closing)
|
---|
1153 | {
|
---|
1154 | http_data->on_close_callback = on_close_callback;
|
---|
1155 | http_data->close_user_ctx = callback_ctx;
|
---|
1156 | /* Codes_SRS_UHTTP_07_010: [If the xio_handle is NOT NULL http_client_close shall call xio_close to close the handle] */
|
---|
1157 | (void)xio_close(http_data->xio_handle, on_xio_close_complete, http_data);
|
---|
1158 |
|
---|
1159 | LIST_ITEM_HANDLE pending_list_item;
|
---|
1160 | while ((pending_list_item = singlylinkedlist_get_head_item(http_data->data_list)) != NULL)
|
---|
1161 | {
|
---|
1162 | HTTP_SEND_DATA* send_data = (HTTP_SEND_DATA*)singlylinkedlist_item_get_value(pending_list_item);
|
---|
1163 | if (send_data != NULL)
|
---|
1164 | {
|
---|
1165 | STRING_delete(send_data->relative_path);
|
---|
1166 | BUFFER_delete(send_data->content);
|
---|
1167 | STRING_delete(send_data->header_line);
|
---|
1168 | free(send_data);
|
---|
1169 | }
|
---|
1170 | singlylinkedlist_remove(http_data->data_list, pending_list_item);
|
---|
1171 | }
|
---|
1172 |
|
---|
1173 | http_data->recv_msg.status_code = 0;
|
---|
1174 | http_data->recv_msg.recv_state = state_closed;
|
---|
1175 | http_data->recv_msg.total_body_len = 0;
|
---|
1176 | free(http_data->host_name);
|
---|
1177 | http_data->host_name = NULL;
|
---|
1178 |
|
---|
1179 | /* Codes_SRS_UHTTP_07_011: [http_client_close shall free any HTTPHeader object that has not been freed] */
|
---|
1180 | if (http_data->recv_msg.resp_header != NULL)
|
---|
1181 | {
|
---|
1182 | HTTPHeaders_Free(http_data->recv_msg.resp_header);
|
---|
1183 | http_data->recv_msg.resp_header = NULL;
|
---|
1184 | }
|
---|
1185 | if (http_data->recv_msg.msg_body != NULL)
|
---|
1186 | {
|
---|
1187 | BUFFER_delete(http_data->recv_msg.msg_body);
|
---|
1188 | http_data->recv_msg.msg_body = NULL;
|
---|
1189 | }
|
---|
1190 | }
|
---|
1191 | }
|
---|
1192 |
|
---|
1193 | HTTP_CLIENT_RESULT uhttp_client_execute_request(HTTP_CLIENT_HANDLE handle, HTTP_CLIENT_REQUEST_TYPE request_type, const char* relative_path,
|
---|
1194 | HTTP_HEADERS_HANDLE http_header_handle, const unsigned char* content, size_t content_len, ON_HTTP_REQUEST_CALLBACK on_request_callback, void* callback_ctx)
|
---|
1195 | {
|
---|
1196 | HTTP_CLIENT_RESULT result;
|
---|
1197 | LIST_ITEM_HANDLE list_item;
|
---|
1198 |
|
---|
1199 | /* Codes_SRS_UHTTP_07_012: [If handle, relativePath, or httpHeadersHandle is NULL then http_client_execute_request shall return HTTP_CLIENT_INVALID_ARG] */
|
---|
1200 | if (handle == NULL || on_request_callback == NULL ||
|
---|
1201 | (content != NULL && content_len == 0) || (content == NULL && content_len != 0) )
|
---|
1202 | {
|
---|
1203 | result = HTTP_CLIENT_INVALID_ARG;
|
---|
1204 | LogError("Invalid parameter sent to execute_request");
|
---|
1205 | }
|
---|
1206 | else
|
---|
1207 | {
|
---|
1208 | HTTP_CLIENT_HANDLE_DATA* http_data = (HTTP_CLIENT_HANDLE_DATA*)handle;
|
---|
1209 |
|
---|
1210 | http_data->recv_msg.on_request_callback = on_request_callback;
|
---|
1211 | http_data->recv_msg.user_ctx = callback_ctx;
|
---|
1212 | if (setup_init_recv_msg(&http_data->recv_msg) != 0)
|
---|
1213 | {
|
---|
1214 | /* Codes_SRS_UHTTP_07_017: [If any failure encountered http_client_execute_request shall return HTTP_CLIENT_ERROR] */
|
---|
1215 | LogError("Failure allocating http http_data items");
|
---|
1216 | result = HTTP_CLIENT_ERROR;
|
---|
1217 | }
|
---|
1218 | else
|
---|
1219 | {
|
---|
1220 | HTTP_SEND_DATA* send_data = (HTTP_SEND_DATA*)malloc(sizeof(HTTP_SEND_DATA));
|
---|
1221 | if (send_data == NULL)
|
---|
1222 | {
|
---|
1223 | LogError("Failure allocating http data items");
|
---|
1224 | BUFFER_delete(http_data->recv_msg.msg_body);
|
---|
1225 | http_data->recv_msg.msg_body = NULL;
|
---|
1226 | HTTPHeaders_Free(http_data->recv_msg.resp_header);
|
---|
1227 | http_data->recv_msg.resp_header = NULL;
|
---|
1228 | result = HTTP_CLIENT_ERROR;
|
---|
1229 | }
|
---|
1230 | else
|
---|
1231 | {
|
---|
1232 | memset(send_data, 0, sizeof(HTTP_SEND_DATA));
|
---|
1233 | /* Codes_SRS_UHTTP_07_041: [HTTP_CLIENT_REQUEST_TYPE shall support all request types specified under section 9.1.2 in the spec.] */
|
---|
1234 | send_data->request_type = request_type;
|
---|
1235 | if ( (content_len > 0) && (send_data->content = BUFFER_create(content, content_len)) == NULL)
|
---|
1236 | {
|
---|
1237 | LogError("Failure allocating content buffer");
|
---|
1238 | result = HTTP_CLIENT_ERROR;
|
---|
1239 | BUFFER_delete(http_data->recv_msg.msg_body);
|
---|
1240 | http_data->recv_msg.msg_body = NULL;
|
---|
1241 | HTTPHeaders_Free(http_data->recv_msg.resp_header);
|
---|
1242 | http_data->recv_msg.resp_header = NULL;
|
---|
1243 | free(send_data);
|
---|
1244 | }
|
---|
1245 | else if ((send_data->header_line = STRING_new()) == NULL)
|
---|
1246 | {
|
---|
1247 | LogError("Failure allocating content buffer");
|
---|
1248 | result = HTTP_CLIENT_ERROR;
|
---|
1249 | BUFFER_delete(send_data->content);
|
---|
1250 | BUFFER_delete(http_data->recv_msg.msg_body);
|
---|
1251 | http_data->recv_msg.msg_body = NULL;
|
---|
1252 | HTTPHeaders_Free(http_data->recv_msg.resp_header);
|
---|
1253 | http_data->recv_msg.resp_header = NULL;
|
---|
1254 | free(send_data);
|
---|
1255 | }
|
---|
1256 | else if (construct_http_headers(http_header_handle, content_len, send_data->header_line, false, http_data->host_name, http_data->port_num))
|
---|
1257 | {
|
---|
1258 | LogError("Failure allocating content buffer");
|
---|
1259 | result = HTTP_CLIENT_ERROR;
|
---|
1260 | BUFFER_delete(send_data->content);
|
---|
1261 | STRING_delete(send_data->header_line);
|
---|
1262 | BUFFER_delete(http_data->recv_msg.msg_body);
|
---|
1263 | http_data->recv_msg.msg_body = NULL;
|
---|
1264 | HTTPHeaders_Free(http_data->recv_msg.resp_header);
|
---|
1265 | http_data->recv_msg.resp_header = NULL;
|
---|
1266 | free(send_data);
|
---|
1267 | }
|
---|
1268 | else if ((list_item = singlylinkedlist_add(http_data->data_list, send_data)) == NULL)
|
---|
1269 | {
|
---|
1270 | STRING_delete(send_data->header_line);
|
---|
1271 | BUFFER_delete(send_data->content);
|
---|
1272 | LogError("Failure adding send data to list");
|
---|
1273 | result = HTTP_CLIENT_ERROR;
|
---|
1274 | BUFFER_delete(http_data->recv_msg.msg_body);
|
---|
1275 | http_data->recv_msg.msg_body = NULL;
|
---|
1276 | HTTPHeaders_Free(http_data->recv_msg.resp_header);
|
---|
1277 | http_data->recv_msg.resp_header = NULL;
|
---|
1278 | free(send_data);
|
---|
1279 | }
|
---|
1280 | else
|
---|
1281 | {
|
---|
1282 | if (relative_path != NULL)
|
---|
1283 | {
|
---|
1284 | if ((send_data->relative_path = STRING_construct(relative_path)) == NULL)
|
---|
1285 | {
|
---|
1286 | (void)singlylinkedlist_remove(http_data->data_list, list_item);
|
---|
1287 | STRING_delete(send_data->header_line);
|
---|
1288 | BUFFER_delete(send_data->content);
|
---|
1289 | LogError("Failure allocating relative path buffer");
|
---|
1290 | BUFFER_delete(http_data->recv_msg.msg_body);
|
---|
1291 | http_data->recv_msg.msg_body = NULL;
|
---|
1292 | HTTPHeaders_Free(http_data->recv_msg.resp_header);
|
---|
1293 | http_data->recv_msg.resp_header = NULL;
|
---|
1294 | free(send_data);
|
---|
1295 | result = HTTP_CLIENT_ERROR;
|
---|
1296 | }
|
---|
1297 | else
|
---|
1298 | {
|
---|
1299 | /* Codes_SRS_UHTTP_07_018: [upon success http_client_execute_request shall return HTTP_CLIENT_OK.] */
|
---|
1300 | result = HTTP_CLIENT_OK;
|
---|
1301 | }
|
---|
1302 | }
|
---|
1303 | else
|
---|
1304 | {
|
---|
1305 | if ((send_data->relative_path = STRING_construct("/")) == NULL)
|
---|
1306 | {
|
---|
1307 | (void)singlylinkedlist_remove(http_data->data_list, list_item);
|
---|
1308 | STRING_delete(send_data->header_line);
|
---|
1309 | BUFFER_delete(send_data->content);
|
---|
1310 | LogError("Failure allocating relative path buffer");
|
---|
1311 | BUFFER_delete(http_data->recv_msg.msg_body);
|
---|
1312 | http_data->recv_msg.msg_body = NULL;
|
---|
1313 | HTTPHeaders_Free(http_data->recv_msg.resp_header);
|
---|
1314 | http_data->recv_msg.resp_header = NULL;
|
---|
1315 | free(send_data);
|
---|
1316 | result = HTTP_CLIENT_ERROR;
|
---|
1317 | }
|
---|
1318 | else
|
---|
1319 | {
|
---|
1320 | /* Codes_SRS_UHTTP_07_018: [upon success http_client_execute_request shall return HTTP_CLIENT_OK.] */
|
---|
1321 | result = HTTP_CLIENT_OK;
|
---|
1322 | }
|
---|
1323 | }
|
---|
1324 | }
|
---|
1325 | }
|
---|
1326 | }
|
---|
1327 | }
|
---|
1328 | return result;
|
---|
1329 | }
|
---|
1330 |
|
---|
1331 | void uhttp_client_dowork(HTTP_CLIENT_HANDLE handle)
|
---|
1332 | {
|
---|
1333 | if (handle != NULL)
|
---|
1334 | {
|
---|
1335 | /* Codes_SRS_UHTTP_07_037: [http_client_dowork shall call the underlying xio_dowork function. ] */
|
---|
1336 | HTTP_CLIENT_HANDLE_DATA* http_data = (HTTP_CLIENT_HANDLE_DATA*)handle;
|
---|
1337 | xio_dowork(http_data->xio_handle);
|
---|
1338 |
|
---|
1339 | // Wait till I'm connected
|
---|
1340 | if (handle->connected == 1)
|
---|
1341 | {
|
---|
1342 | LIST_ITEM_HANDLE pending_list_item;
|
---|
1343 | /* Codes_SRS_UHTTP_07_016: [http_client_dowork shall iterate through the queued Data using the xio interface to send the http request in the following ways...] */
|
---|
1344 | while ((pending_list_item = singlylinkedlist_get_head_item(http_data->data_list)) != NULL)
|
---|
1345 | {
|
---|
1346 | HTTP_SEND_DATA* send_data = (HTTP_SEND_DATA*)singlylinkedlist_item_get_value(pending_list_item);
|
---|
1347 | if (send_data != NULL)
|
---|
1348 | {
|
---|
1349 | size_t content_len = BUFFER_length(send_data->content);
|
---|
1350 | /* Codes_SRS_UHTTP_07_052: [uhttp_client_dowork shall call xio_send to transmits the header information... ] */
|
---|
1351 | if (send_http_data(http_data, send_data->request_type, STRING_c_str(send_data->relative_path), send_data->header_line) != 0)
|
---|
1352 | {
|
---|
1353 | LogError("Failure writing content buffer");
|
---|
1354 | if (http_data->on_error)
|
---|
1355 | {
|
---|
1356 | http_data->on_error(http_data->error_user_ctx, HTTP_CALLBACK_REASON_SEND_FAILED);
|
---|
1357 | }
|
---|
1358 | }
|
---|
1359 | else if (content_len > 0)
|
---|
1360 | {
|
---|
1361 | /* Codes_SRS_UHTTP_07_053: [ Then uhttp_client_dowork shall use xio_send to transmit the content of the http request. ] */
|
---|
1362 | if (write_data_line(http_data, BUFFER_u_char(send_data->content), content_len) != 0)
|
---|
1363 | {
|
---|
1364 | LogError("Failure writing content buffer");
|
---|
1365 | if (http_data->on_error)
|
---|
1366 | {
|
---|
1367 | http_data->on_error(http_data->error_user_ctx, HTTP_CALLBACK_REASON_SEND_FAILED);
|
---|
1368 | }
|
---|
1369 | }
|
---|
1370 | }
|
---|
1371 |
|
---|
1372 | /* Codes_SRS_UHTTP_07_046: [ http_client_dowork shall free resouces queued to send to the http endpoint. ] */
|
---|
1373 | STRING_delete(send_data->relative_path);
|
---|
1374 | BUFFER_delete(send_data->content);
|
---|
1375 | STRING_delete(send_data->header_line);
|
---|
1376 | free(send_data);
|
---|
1377 | }
|
---|
1378 | (void)singlylinkedlist_remove(http_data->data_list, pending_list_item);
|
---|
1379 | }
|
---|
1380 | }
|
---|
1381 | }
|
---|
1382 | }
|
---|
1383 |
|
---|
1384 | HTTP_CLIENT_RESULT uhttp_client_set_trace(HTTP_CLIENT_HANDLE handle, bool trace_on, bool trace_data)
|
---|
1385 | {
|
---|
1386 | HTTP_CLIENT_RESULT result;
|
---|
1387 | if (handle == NULL)
|
---|
1388 | {
|
---|
1389 | /* Codes_SRS_UHTTP_07_038: [If handle is NULL then http_client_set_trace shall return HTTP_CLIENT_INVALID_ARG] */
|
---|
1390 | result = HTTP_CLIENT_INVALID_ARG;
|
---|
1391 | LogError("invalid parameter (NULL) passed to http_client_set_trace");
|
---|
1392 | }
|
---|
1393 | else
|
---|
1394 | {
|
---|
1395 | /* Codes_SRS_UHTTP_07_039: [http_client_set_trace shall set the HTTP tracing to the trace_on variable.] */
|
---|
1396 | handle->trace_on = trace_on;
|
---|
1397 | handle->trace_body = trace_data;
|
---|
1398 | /* Codes_SRS_UHTTP_07_040: [if http_client_set_trace finishes successfully then it shall return HTTP_CLIENT_OK.] */
|
---|
1399 | result = HTTP_CLIENT_OK;
|
---|
1400 | }
|
---|
1401 | return result;
|
---|
1402 | }
|
---|
1403 |
|
---|
1404 | HTTP_CLIENT_RESULT uhttp_client_set_X509_cert(HTTP_CLIENT_HANDLE handle, bool ecc_type, const char* certificate, const char* private_key)
|
---|
1405 | {
|
---|
1406 | HTTP_CLIENT_RESULT result;
|
---|
1407 | if (handle == NULL || certificate == NULL || private_key == NULL)
|
---|
1408 | {
|
---|
1409 | /* Codes_SRS_UHTTP_07_038: [If handle is NULL then http_client_set_trace shall return HTTP_CLIENT_INVALID_ARG] */
|
---|
1410 | result = HTTP_CLIENT_INVALID_ARG;
|
---|
1411 | LogError("invalid parameter handle: %p certificate: %p private_key: %p", handle, certificate, private_key);
|
---|
1412 | }
|
---|
1413 | else if (handle->recv_msg.recv_state != state_initial)
|
---|
1414 | {
|
---|
1415 | result = HTTP_CLIENT_INVALID_STATE;
|
---|
1416 | LogError("You must set the X509 certificates before opening the connection");
|
---|
1417 | }
|
---|
1418 | else
|
---|
1419 | {
|
---|
1420 | handle->cert_type_ecc = ecc_type;
|
---|
1421 | if (mallocAndStrcpy_s(&handle->x509_cert, certificate) != 0)
|
---|
1422 | {
|
---|
1423 | result = HTTP_CLIENT_ERROR;
|
---|
1424 | LogError("failure allocating certificate");
|
---|
1425 | }
|
---|
1426 | else if (mallocAndStrcpy_s(&handle->x509_pk, private_key) != 0)
|
---|
1427 | {
|
---|
1428 | free(handle->x509_cert);
|
---|
1429 | handle->x509_cert = NULL;
|
---|
1430 | result = HTTP_CLIENT_ERROR;
|
---|
1431 | LogError("failure allocating private key");
|
---|
1432 | }
|
---|
1433 | else
|
---|
1434 | {
|
---|
1435 | result = HTTP_CLIENT_OK;
|
---|
1436 | }
|
---|
1437 | }
|
---|
1438 | return result;
|
---|
1439 | }
|
---|
1440 |
|
---|
1441 | HTTP_CLIENT_RESULT uhttp_client_set_trusted_cert(HTTP_CLIENT_HANDLE handle, const char* certificate)
|
---|
1442 | {
|
---|
1443 | HTTP_CLIENT_RESULT result;
|
---|
1444 | if (handle == NULL || certificate == NULL)
|
---|
1445 | {
|
---|
1446 | /* Codes_SRS_UHTTP_07_038: [If handle is NULL then http_client_set_trace shall return HTTP_CLIENT_INVALID_ARG] */
|
---|
1447 | result = HTTP_CLIENT_INVALID_ARG;
|
---|
1448 | LogError("invalid parameter handle: %p certificate: %p", handle, certificate);
|
---|
1449 | }
|
---|
1450 | else if (handle->recv_msg.recv_state != state_initial)
|
---|
1451 | {
|
---|
1452 | result = HTTP_CLIENT_INVALID_STATE;
|
---|
1453 | LogError("You must set the certificates before opening the connection");
|
---|
1454 | }
|
---|
1455 | else
|
---|
1456 | {
|
---|
1457 | if (mallocAndStrcpy_s(&handle->certificate, certificate) != 0)
|
---|
1458 | {
|
---|
1459 | result = HTTP_CLIENT_ERROR;
|
---|
1460 | LogError("failure allocating certificate");
|
---|
1461 | }
|
---|
1462 | else
|
---|
1463 | {
|
---|
1464 | result = HTTP_CLIENT_OK;
|
---|
1465 | }
|
---|
1466 | }
|
---|
1467 | return result;
|
---|
1468 | }
|
---|
1469 |
|
---|
1470 | const char* uhttp_client_get_trusted_cert(HTTP_CLIENT_HANDLE handle)
|
---|
1471 | {
|
---|
1472 | const char* result;
|
---|
1473 | if (handle == NULL)
|
---|
1474 | {
|
---|
1475 | result = NULL;
|
---|
1476 | LogError("invalid parameter NULL handle");
|
---|
1477 | }
|
---|
1478 | else
|
---|
1479 | {
|
---|
1480 | result = handle->certificate;
|
---|
1481 | }
|
---|
1482 | return result;
|
---|
1483 | }
|
---|
1484 |
|
---|
1485 | HTTP_CLIENT_RESULT uhttp_client_set_option(HTTP_CLIENT_HANDLE handle, const char* optionName, const void* value)
|
---|
1486 | {
|
---|
1487 | HTTP_CLIENT_RESULT result;
|
---|
1488 | if (handle == NULL)
|
---|
1489 | {
|
---|
1490 | /* Codes_SRS_UHTTP_07_038: [If handle is NULL then http_client_set_trace shall return HTTP_CLIENT_INVALID_ARG] */
|
---|
1491 | result = HTTP_CLIENT_INVALID_ARG;
|
---|
1492 | LogError("invalid parameter handle: %p", handle);
|
---|
1493 | }
|
---|
1494 | else
|
---|
1495 | {
|
---|
1496 | int setoption_result = xio_setoption(handle->xio_handle, optionName, value);
|
---|
1497 | if (setoption_result != 0)
|
---|
1498 | {
|
---|
1499 | LogError("xio_setoption fails, returns %d", setoption_result);
|
---|
1500 | result = HTTP_CLIENT_ERROR;
|
---|
1501 | }
|
---|
1502 | else
|
---|
1503 | {
|
---|
1504 | result = HTTP_CLIENT_OK;
|
---|
1505 | }
|
---|
1506 |
|
---|
1507 | }
|
---|
1508 |
|
---|
1509 | return result;
|
---|
1510 | }
|
---|
1511 |
|
---|
1512 | XIO_HANDLE uhttp_client_get_underlying_xio(HTTP_CLIENT_HANDLE handle)
|
---|
1513 | {
|
---|
1514 | XIO_HANDLE result;
|
---|
1515 | if (handle == NULL)
|
---|
1516 | {
|
---|
1517 | LogError("invalid parameter handle: %p", handle);
|
---|
1518 | result = NULL;
|
---|
1519 | }
|
---|
1520 | else
|
---|
1521 | {
|
---|
1522 | result = handle->xio_handle;
|
---|
1523 | }
|
---|
1524 | return result;
|
---|
1525 | }
|
---|