src/server/safs/service.c

Wed, 28 Oct 2015 17:59:34 +0100

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Wed, 28 Oct 2015 17:59:34 +0100
changeset 105
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parent 104
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child 116
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permissions
-rw-r--r--

using readdir_r instead of readdir

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1 /*
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2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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3 *
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4 * Copyright 2013 Olaf Wintermann. All rights reserved.
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5 *
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6 * Redistribution and use in source and binary forms, with or without
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7 * modification, are permitted provided that the following conditions are met:
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8 *
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9 * 1. Redistributions of source code must retain the above copyright
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10 * notice, this list of conditions and the following disclaimer.
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11 *
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12 * 2. Redistributions in binary form must reproduce the above copyright
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13 * notice, this list of conditions and the following disclaimer in the
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14 * documentation and/or other materials provided with the distribution.
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15 *
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16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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26 * POSSIBILITY OF SUCH DAMAGE.
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27 */
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28
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29 #include <stdio.h>
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30 #include <sys/file.h>
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31 #include <sys/stat.h>
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32
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33 #include "service.h"
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34 #include "../util/io.h"
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35 #include "../util/pblock.h"
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36 #include "../util/util.h"
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37 #include "../daemon/protocol.h"
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38 #include "../daemon/vfs.h"
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39
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40 //include <sys/sendfile.h>
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41 #include "../util/strbuf.h"
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42 #include <ucx/string.h>
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43 #include <ucx/utils.h>
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44
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45 #include <errno.h>
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46
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47
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48 /*
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49 * prepares servicing a file
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50 *
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51 * adds content-length header
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52 *
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53 * return the opened file
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54 */
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55 SYS_FILE prepare_service_file(Session *sn, Request *rq, VFSContext *vfs, struct stat *s) {
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56 char *ppath = pblock_findkeyval(pb_key_ppath, rq->vars);
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57
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58 // open the file
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59 SYS_FILE fd = vfs_open(vfs, ppath, O_RDONLY);
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60 if(!fd) {
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61 // vfs_open sets http status code
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62 return NULL;
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63 }
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64
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65 // get stat
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66 if(vfs_fstat(vfs, fd, s) != 0) {
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67 //perror("prepare_service_file: stat");
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68 protocol_status(sn, rq, 500, NULL);
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69 return NULL;
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70 }
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71
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72 // check if the file is a directory
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73 if(S_ISDIR(s->st_mode)) {
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74 pblock_nvinsert("content-length", "0", rq->srvhdrs);
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75 pblock_removekey(pb_key_content_type, rq->srvhdrs);
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76 char *uri = pblock_findkeyval(pb_key_uri, rq->reqpb);
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77 size_t urilen = strlen(uri);
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78 char *location = pool_malloc(sn->pool, urilen + 2);
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79 memcpy(location, uri, urilen);
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80 location[urilen] = '/';
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81 location[urilen+1] = '\0';
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82 pblock_kvinsert(pb_key_location, location, urilen + 1, rq->srvhdrs);
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83 protocol_status(sn, rq, 302, NULL);
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84 http_start_response(sn, rq);
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85 vfs_close(fd);
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86 return NULL;
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87 }
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88
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89 // sets last-modified, content-length and checks conditions
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90 if(http_set_finfo(sn, rq, s) != REQ_PROCEED) {
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91 vfs_close(fd);
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92 return NULL;
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93 }
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94
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95 // TODO: check if vfs can seek
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96 pblock_kvinsert(pb_key_accept_ranges, "bytes", 5, rq->srvhdrs);
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97
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98 // start response
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99 protocol_status(sn, rq, 200, NULL);
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100
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101 return fd;
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102 }
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103
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104 static void free_range(Session *sn, HttpRange *range) {
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105 HttpRange *elm = range;
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106 while(elm) {
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107 HttpRange *next = elm->next;
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108 pool_free(sn->pool, elm);
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109 elm = next;
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110 }
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111 }
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112
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113 static HttpRange* parse_range(Session *sn, char *header, int *status) {
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114 *status = PROTOCOL_OK;
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115
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116 sstr_t range = sstrtrim(sstr(header));
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117 if(!sstrprefix(range, S("bytes="))) {
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118 // unknown range unit - ignore range header
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119 return NULL;
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120 }
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121
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122 // get byte-range-set
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123 range = sstrsubs(range, 6);
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124 if(range.length < 1) {
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125 return NULL;
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126 }
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127
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128 HttpRange *range_list = NULL;
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129 HttpRange *last = NULL;
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130 off_t begin = -1;
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131 int start = 0;
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132 int hasbegin = 0;
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133 for(int i=0;i<=range.length;i++) {
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134 char c = range.ptr[i];
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135 if(c == '-') {
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136 sstr_t num = sstrsubsl(range, start, i-start);
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137 if(num.length == 0) {
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138 // empty string before '-' is legal
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139 hasbegin = 1;
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140 begin = -1;
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141 start = i+1;
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142 continue;
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143 }
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144 char *end;
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145 long long n = strtoll(num.ptr, &end, 10);
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146 if(errno == 0 && end == range.ptr + i && n >= 0) {
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147 begin = n;
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148 hasbegin = 1;
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149 start = i+1;
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150 } else {
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151 // syntax error
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152 free_range(sn, range_list);
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153 return NULL;
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154 }
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155 } else if(c == ',' || c == '\0') {
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diff changeset
156 sstr_t num = sstrsubsl(range, start, i-start);
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157 if(hasbegin) {
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diff changeset
158 long long n;
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159 if(num.length == 0) {
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160 // empty string after '-' is legal
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161 n = -1;
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162 } else {
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163 char *end;
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164 n = strtoll(num.ptr, &end, 10);
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165 if(errno != 0 || end != range.ptr + i || n < 0) {
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166 // syntax error
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167 free_range(sn, range_list);
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168 return NULL;
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169 }
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170 }
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171
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172 if(!(begin < 0 && n < 0)) {
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173 // range: begin - n
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174 HttpRange *rangeelm = pool_malloc(sn->pool, sizeof(HttpRange));
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175 if(!rangeelm) {
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176 free_range(sn, range_list);
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177 *status = PROTOCOL_SERVER_ERROR;
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178 return NULL;
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179 }
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180 rangeelm->begin = begin;
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181 rangeelm->end = n;
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182 rangeelm->next = NULL;
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183 if(!last) {
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184 range_list = rangeelm;
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185 last = rangeelm;
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186 } else {
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187 last->next = rangeelm;
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188 last = rangeelm;
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189 }
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190
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191 hasbegin = 0;
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192 start = i+1;
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193 continue;
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194 }
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195 }
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196
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197 // syntax error
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198 free_range(sn, range_list);
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199 return NULL;
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200 }
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201 }
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202
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203 return range_list;
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204 }
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205
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diff changeset
206 static int validate_range(HttpRange *range, struct stat *finfo, int *status) {
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207 off_t max_len = finfo->st_size;
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208 while(range) {
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209 if(range->begin > 0 && range->end > 0) {
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210 if(range->end < range->begin) {
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211 *status = PROTOCOL_REQUESTED_RANGE_NOT_SATISFIABLE;
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212 return 0;
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213 }
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214 }
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diff changeset
215 if(range->begin >= max_len) {
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diff changeset
216 *status = PROTOCOL_REQUESTED_RANGE_NOT_SATISFIABLE;
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diff changeset
217 return 0;
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diff changeset
218 }
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diff changeset
219 if(range->end >= max_len) {
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diff changeset
220 *status = PROTOCOL_REQUESTED_RANGE_NOT_SATISFIABLE;
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diff changeset
221 return 0;
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222 }
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223
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224 range = range->next;
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225 }
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226
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diff changeset
227 // TODO: check for Denial-of-Service Attacks
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228
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229 return 1;
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diff changeset
230 }
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231
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232 /*
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233 * translates a HttpRange element to a begin offset and a length
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234 * the HttpRange must be validated
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235 */
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diff changeset
236 static void range2off(HttpRange *range, off_t filelen, off_t *begin, off_t *length) {
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parents: 102
diff changeset
237 if(range->begin < 0) {
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parents: 102
diff changeset
238 // bytes=-a
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diff changeset
239 *begin = filelen - range->end;
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parents: 102
diff changeset
240 *length = range->end;
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parents: 102
diff changeset
241 } else if(range->end < 0) {
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parents: 102
diff changeset
242 // bytes=a-
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diff changeset
243 *begin = range->begin;
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diff changeset
244 *length = filelen - range->begin;
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diff changeset
245 } else {
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diff changeset
246 // bytes=a-b
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diff changeset
247 *begin = range->begin;
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diff changeset
248 *length = range->end + 1 - range->begin;
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parents: 102
diff changeset
249 }
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diff changeset
250 }
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diff changeset
251
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diff changeset
252 #define SF_MAX_LEN 0x8000000
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253
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diff changeset
254 static int send_range(Session *sn, SYS_FILE fd, off_t offset, off_t length, char *header, int headerlen) {
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parents: 102
diff changeset
255 off_t remaining = length;
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diff changeset
256
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diff changeset
257 sendfiledata sfd;
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parents: 102
diff changeset
258 sfd.fd = fd;
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diff changeset
259 sfd.header = header;
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parents: 102
diff changeset
260 sfd.hlen = headerlen;
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parents: 102
diff changeset
261 sfd.trailer = NULL;
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parents: 102
diff changeset
262
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
263 while(remaining > 0) {
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parents: 102
diff changeset
264 size_t sflen = remaining < SF_MAX_LEN ? remaining : SF_MAX_LEN;
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parents: 102
diff changeset
265 sfd.offset = offset;
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parents: 102
diff changeset
266 sfd.len = sflen;
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parents: 102
diff changeset
267
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diff changeset
268 ssize_t r = net_sendfile(sn->csd, &sfd);
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parents: 102
diff changeset
269 if(r < 0) {
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parents: 102
diff changeset
270 return -1;
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parents: 102
diff changeset
271 }
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diff changeset
272
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diff changeset
273 sfd.header = NULL; // make sure the header is only sent once
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parents: 102
diff changeset
274 offset += r;
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parents: 102
diff changeset
275 remaining -= r;
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parents: 102
diff changeset
276 }
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parents: 102
diff changeset
277
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diff changeset
278 return 0;
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parents: 102
diff changeset
279 }
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diff changeset
280
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diff changeset
281 struct multi_range_elm {
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parents: 102
diff changeset
282 sstr_t header;
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parents: 102
diff changeset
283 off_t offset;
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parents: 102
diff changeset
284 off_t length;
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parents: 102
diff changeset
285 };
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parents: 102
diff changeset
286
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parents: 102
diff changeset
287 static int send_multi_range(Session *sn, Request *rq, SYS_FILE fd, off_t filelen, HttpRange *range) {
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parents: 102
diff changeset
288 pb_param *content_type = pblock_remove("content-type", rq->srvhdrs);
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parents: 102
diff changeset
289
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diff changeset
290 char sep[64];
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parents: 102
diff changeset
291 int seplen = util_mime_separator(sep);
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parents: 102
diff changeset
292
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parents: 102
diff changeset
293 sstr_t newct = ucx_sprintf("multipart/byteranges; boundary=%s", sep+4);
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parents: 102
diff changeset
294 pblock_kvinsert(
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
295 pb_key_content_type,
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parents: 102
diff changeset
296 newct.ptr,
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
297 newct.length,
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
298 rq->srvhdrs);
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parents: 102
diff changeset
299 free(newct.ptr);
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parents: 102
diff changeset
300
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parents: 102
diff changeset
301 // calculate content-length
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parents: 102
diff changeset
302 off_t response_len = 0;
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parents: 102
diff changeset
303
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
304 int nrange = 0;
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parents: 102
diff changeset
305 HttpRange *rangeelm = range;
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
306 while(rangeelm) {
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
307 nrange++;
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parents: 102
diff changeset
308 rangeelm = rangeelm->next;
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
309 }
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parents: 102
diff changeset
310
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parents: 102
diff changeset
311 struct multi_range_elm *r = calloc(nrange, sizeof(struct multi_range_elm));
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parents: 102
diff changeset
312 rangeelm = range;
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
313 int i=0;
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
314 while(rangeelm) {
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parents: 102
diff changeset
315 range2off(rangeelm, filelen, &(r[i].offset), &(r[i].length));
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parents: 102
diff changeset
316 r[i].header = ucx_sprintf(
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
317 "%s\r\nContent-Type: %s\r\nContent-Range: bytes %lld-%lld/%lld\r\n\r\n",
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
318 sep,
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
319 content_type->value,
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
320 (long long)r[i].offset,
a8acbb12f27c implemented range requests
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 102
diff changeset
321 (long long)r[i].offset+r[i].length - 1,
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
322 filelen);
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
323
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
324 response_len += r[i].header.length + r[i].length;
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
325
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
326 rangeelm = rangeelm->next;
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
327 i++;
a8acbb12f27c implemented range requests
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 102
diff changeset
328 }
a8acbb12f27c implemented range requests
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 102
diff changeset
329
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
330 response_len += seplen + 4; // trailer: sep + '--' + CRLF
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
331
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
332 // finally, set the content-length header
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
333 pblock_kllinsert(
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
334 pb_key_content_length,
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
335 (long long)response_len,
a8acbb12f27c implemented range requests
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 102
diff changeset
336 rq->srvhdrs);
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
337
a8acbb12f27c implemented range requests
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 102
diff changeset
338 // and start the response
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
339 http_start_response(sn, rq);
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
340
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parents: 102
diff changeset
341 rangeelm = range;
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
342 i = 0;
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
343 while(rangeelm) {
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
344 if(send_range(sn, fd, r[i].offset, r[i].length, r[i].header.ptr, r[i].header.length)) {
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
345 // TODO: error
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
346 }
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
347 rangeelm = rangeelm->next;
a8acbb12f27c implemented range requests
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 102
diff changeset
348 i++;
a8acbb12f27c implemented range requests
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 102
diff changeset
349 }
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
350 net_printf(sn->csd, "%s--\r\n", sep);
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parents: 102
diff changeset
351
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diff changeset
352 return 0;
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parents: 102
diff changeset
353 }
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
354
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e3ae779232a9 Added some safs
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parents: 8
diff changeset
355 int send_file(pblock *pb, Session *sn, Request *rq) {
54
3a1d5a52adfc new vfs api
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parents: 48
diff changeset
356 struct stat s;
104
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diff changeset
357 VFSContext *vfs = vfs_request_context(sn, rq);
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parents: 102
diff changeset
358 SYS_FILE fd = prepare_service_file(sn, rq, vfs, &s);
54
3a1d5a52adfc new vfs api
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parents: 48
diff changeset
359 if(!fd) {
44
3da1f7b6847f added some error messages
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parents: 21
diff changeset
360 // if an error occurs, prepare_service_file sets the http status code
3da1f7b6847f added some error messages
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parents: 21
diff changeset
361 // we can just return REQ_ABORTED
3da1f7b6847f added some error messages
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parents: 21
diff changeset
362 return REQ_ABORTED;
6
ce8fecc9847d improved request processing
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parents: 4
diff changeset
363 }
54
3a1d5a52adfc new vfs api
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parents: 48
diff changeset
364
104
a8acbb12f27c implemented range requests
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diff changeset
365 // get and validate range header
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
366 char *range_header = pblock_findkeyval(pb_key_range, rq->headers);
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
367 HttpRange *range = NULL;
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
368 if(range_header) {
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
369 int status;
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
370 range = parse_range(sn, range_header, &status);
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
371 if(status != PROTOCOL_OK) {
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
372 protocol_status(sn, rq, status, NULL);
a8acbb12f27c implemented range requests
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 102
diff changeset
373 vfs_close(fd);
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
374 return REQ_ABORTED;
a8acbb12f27c implemented range requests
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 102
diff changeset
375 }
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
376
a8acbb12f27c implemented range requests
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 102
diff changeset
377 if(!validate_range(range, &s, &status)) {
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
378 protocol_status(sn, rq, status, NULL);
a8acbb12f27c implemented range requests
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 102
diff changeset
379 free_range(sn, range);
a8acbb12f27c implemented range requests
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 102
diff changeset
380 vfs_close(fd);
a8acbb12f27c implemented range requests
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 102
diff changeset
381 return REQ_ABORTED;
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
382 }
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
383 }
54
3a1d5a52adfc new vfs api
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parents: 48
diff changeset
384
104
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
385 int single_range = 1;
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
386 off_t offset;
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parents: 102
diff changeset
387 off_t length;
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
388 if(range) {
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
389 protocol_status(sn, rq, 206, NULL);
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
390 pblock_removekey(pb_key_content_length, rq->srvhdrs);
a8acbb12f27c implemented range requests
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 102
diff changeset
391
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
392 if(range->next) {
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
393 single_range = 0;
a8acbb12f27c implemented range requests
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 102
diff changeset
394 } else {
a8acbb12f27c implemented range requests
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 102
diff changeset
395 range2off(range, s.st_size, &offset, &length);
a8acbb12f27c implemented range requests
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 102
diff changeset
396
a8acbb12f27c implemented range requests
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 102
diff changeset
397 pblock_kllinsert(
a8acbb12f27c implemented range requests
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 102
diff changeset
398 pb_key_content_length,
a8acbb12f27c implemented range requests
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 102
diff changeset
399 (long long)length,
a8acbb12f27c implemented range requests
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 102
diff changeset
400 rq->srvhdrs);
a8acbb12f27c implemented range requests
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 102
diff changeset
401
a8acbb12f27c implemented range requests
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 102
diff changeset
402 sstr_t content_range = ucx_sprintf(
a8acbb12f27c implemented range requests
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 102
diff changeset
403 "%lld-%lld/%lld",
a8acbb12f27c implemented range requests
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 102
diff changeset
404 (long long)offset,
a8acbb12f27c implemented range requests
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 102
diff changeset
405 (long long)offset+length - 1,
a8acbb12f27c implemented range requests
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 102
diff changeset
406 s.st_size);
a8acbb12f27c implemented range requests
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 102
diff changeset
407 pblock_kvinsert(
a8acbb12f27c implemented range requests
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 102
diff changeset
408 pb_key_content_range,
a8acbb12f27c implemented range requests
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 102
diff changeset
409 content_range.ptr,
a8acbb12f27c implemented range requests
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 102
diff changeset
410 content_range.length,
a8acbb12f27c implemented range requests
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 102
diff changeset
411 rq->srvhdrs);
a8acbb12f27c implemented range requests
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 102
diff changeset
412 free(content_range.ptr);
a8acbb12f27c implemented range requests
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 102
diff changeset
413 }
a8acbb12f27c implemented range requests
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 102
diff changeset
414 } else {
a8acbb12f27c implemented range requests
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 102
diff changeset
415 offset = 0;
a8acbb12f27c implemented range requests
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 102
diff changeset
416 length = s.st_size;
a8acbb12f27c implemented range requests
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 102
diff changeset
417 }
a8acbb12f27c implemented range requests
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 102
diff changeset
418
a8acbb12f27c implemented range requests
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 102
diff changeset
419 if(single_range) {
a8acbb12f27c implemented range requests
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 102
diff changeset
420 // send response header
a8acbb12f27c implemented range requests
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 102
diff changeset
421 http_start_response(sn, rq);
a8acbb12f27c implemented range requests
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 102
diff changeset
422 // send content
a8acbb12f27c implemented range requests
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 102
diff changeset
423 if(send_range(sn, fd, offset, length, NULL, 0)) {
a8acbb12f27c implemented range requests
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 102
diff changeset
424 // TODO: error
a8acbb12f27c implemented range requests
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 102
diff changeset
425 }
a8acbb12f27c implemented range requests
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 102
diff changeset
426 } else {
a8acbb12f27c implemented range requests
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 102
diff changeset
427 if(send_multi_range(sn, rq, fd, s.st_size, range)) {
a8acbb12f27c implemented range requests
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 102
diff changeset
428 // TODO: error
a8acbb12f27c implemented range requests
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 102
diff changeset
429 }
a8acbb12f27c implemented range requests
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 102
diff changeset
430 }
a8acbb12f27c implemented range requests
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 102
diff changeset
431
a8acbb12f27c implemented range requests
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 102
diff changeset
432 // cleanup
54
3a1d5a52adfc new vfs api
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 48
diff changeset
433 vfs_close(fd);
104
a8acbb12f27c implemented range requests
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 102
diff changeset
434 free_range(sn, range);
3
137197831306 minimal request handling
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
435
137197831306 minimal request handling
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
436 return REQ_PROCEED;
137197831306 minimal request handling
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
437 }
10
e3ae779232a9 Added some safs
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 8
diff changeset
438
104
a8acbb12f27c implemented range requests
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 102
diff changeset
439
a8acbb12f27c implemented range requests
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 102
diff changeset
440
10
e3ae779232a9 Added some safs
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 8
diff changeset
441 int service_hello(pblock *pb, Session *sn, Request *rq) {
20
7b235fa88008 Some fixes for mod_jk
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 14
diff changeset
442 pblock_removekey(pb_key_content_type, rq->srvhdrs);
7b235fa88008 Some fixes for mod_jk
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 14
diff changeset
443 pblock_nvinsert("content-type", "text/plain", rq->srvhdrs);
10
e3ae779232a9 Added some safs
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 8
diff changeset
444 pblock_nninsert("content-length", 13, rq->srvhdrs);
e3ae779232a9 Added some safs
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 8
diff changeset
445 protocol_status(sn, rq, 200, NULL);
e3ae779232a9 Added some safs
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 8
diff changeset
446 http_start_response(sn, rq);
e3ae779232a9 Added some safs
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 8
diff changeset
447 net_write(sn->csd, "Hello World!\n", 13);
e3ae779232a9 Added some safs
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 8
diff changeset
448 return REQ_PROCEED;
e3ae779232a9 Added some safs
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 8
diff changeset
449 }
12
34aa8001ea53 Added directory index
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 11
diff changeset
450
34aa8001ea53 Added directory index
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 11
diff changeset
451 int service_index(pblock *pb, Session *sn, Request *rq) {
47
ce9790523346 server can change uid
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 44
diff changeset
452 //printf("service_index\n");
12
34aa8001ea53 Added directory index
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 11
diff changeset
453
34aa8001ea53 Added directory index
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 11
diff changeset
454 char *ppath = pblock_findkeyval(pb_key_ppath, rq->vars);
34aa8001ea53 Added directory index
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 11
diff changeset
455 char *uri = pblock_findkeyval(pb_key_uri, rq->reqpb);
34aa8001ea53 Added directory index
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 11
diff changeset
456
34aa8001ea53 Added directory index
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 11
diff changeset
457 sstr_t r_uri = sstr(uri);
34aa8001ea53 Added directory index
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 11
diff changeset
458
77
f1cff81e425a some fixes
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 70
diff changeset
459 // open the file
55
b7908bf38f9f vfs can read directories
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 54
diff changeset
460 VFSContext *vfs = vfs_request_context(sn, rq);
b7908bf38f9f vfs can read directories
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 54
diff changeset
461 VFS_DIR dir = vfs_opendir(vfs, ppath);
b7908bf38f9f vfs can read directories
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 54
diff changeset
462 if(!dir) {
12
34aa8001ea53 Added directory index
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 11
diff changeset
463 return REQ_ABORTED;
34aa8001ea53 Added directory index
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 11
diff changeset
464 }
34aa8001ea53 Added directory index
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 11
diff changeset
465
77
f1cff81e425a some fixes
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 70
diff changeset
466 sbuf_t *out = sbuf_new(1024); // output buffer
12
34aa8001ea53 Added directory index
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 11
diff changeset
467
77
f1cff81e425a some fixes
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 70
diff changeset
468 // write html header
12
34aa8001ea53 Added directory index
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 11
diff changeset
469 sbuf_puts(out, "<html>\n<head>\n<title>Index of ");
34aa8001ea53 Added directory index
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 11
diff changeset
470 sbuf_puts(out, uri);
34aa8001ea53 Added directory index
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 11
diff changeset
471 sbuf_puts(out, "</title>\n</head><body>\n<h1>Index of ");
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 11
diff changeset
472 sbuf_puts(out, uri);
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 11
diff changeset
473 sbuf_puts(out, "</h1><hr>\n\n");
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 11
diff changeset
474
77
f1cff81e425a some fixes
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 70
diff changeset
475 // list directory
55
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 54
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476 VFS_ENTRY f;
57
b3a89736b23e some fixes
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 56
diff changeset
477 while(vfs_readdir(dir, &f)) {
55
b7908bf38f9f vfs can read directories
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 54
diff changeset
478 sstr_t filename = sstr(f.name);
12
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 11
diff changeset
479
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 11
diff changeset
480 sbuf_puts(out, "<a href=\"");
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 11
diff changeset
481 sbuf_append(out, r_uri);
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 11
diff changeset
482 sbuf_append(out, filename);
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 11
diff changeset
483 sbuf_puts(out, "\">");
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 11
diff changeset
484 sbuf_append(out, filename);
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 11
diff changeset
485 sbuf_puts(out, "</a><br>\n");
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 11
diff changeset
486 }
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 11
diff changeset
487
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 11
diff changeset
488 sbuf_puts(out, "\n</body>\n</html>\n");
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 11
diff changeset
489
77
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 70
diff changeset
490 // send stuff to client
12
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 11
diff changeset
491 pblock_removekey(pb_key_content_type, rq->srvhdrs);
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 11
diff changeset
492 pblock_kvinsert(pb_key_content_type, "text/html", 9, rq->srvhdrs);
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 11
diff changeset
493 pblock_nninsert("content-length", out->length, rq->srvhdrs);
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 11
diff changeset
494 protocol_status(sn, rq, 200, NULL);
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 11
diff changeset
495 http_start_response(sn, rq);
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 11
diff changeset
496
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 11
diff changeset
497 net_write(sn->csd, out->ptr, out->length);
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 11
diff changeset
498
77
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 70
diff changeset
499 // close
55
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 54
diff changeset
500 vfs_closedir(dir);
48
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 47
diff changeset
501 sbuf_free(out);
12
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 11
diff changeset
502
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 11
diff changeset
503 return REQ_PROCEED;
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 11
diff changeset
504 }
20
7b235fa88008 Some fixes for mod_jk
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 14
diff changeset
505
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 14
diff changeset
506 int send_options(pblock *pb, Session *sn, Request *rq) {
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 14
diff changeset
507 char *allow = "HEAD, GET, PUT, DELETE, TRACE, OPTIONS, MOVE, COPY, "
7b235fa88008 Some fixes for mod_jk
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 14
diff changeset
508 "PROPFIND, PROPPATCH, MKCOL, LOCK, UNLOCK, ACL, REPORT";
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 14
diff changeset
509 char *dav = "1,2,access-control";
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 14
diff changeset
510
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 14
diff changeset
511 pblock_removekey(pb_key_content_type, rq->srvhdrs);
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 14
diff changeset
512 pblock_nvinsert("allow", allow, rq->srvhdrs);
7b235fa88008 Some fixes for mod_jk
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 14
diff changeset
513 pblock_nvinsert("dav", dav, rq->srvhdrs);
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 14
diff changeset
514 pblock_nninsert("content-length", 0, rq->srvhdrs);
87
bdec069d2239 fixed pathcheck behavior
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 77
diff changeset
515 protocol_status(sn, rq, 204, NULL);
20
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 14
diff changeset
516 http_start_response(sn, rq);
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 14
diff changeset
517
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 14
diff changeset
518 return REQ_PROCEED;
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 14
diff changeset
519 }

mercurial