src/server/safs/service.c

Tue, 27 Dec 2016 18:42:36 +0100

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Tue, 27 Dec 2016 18:42:36 +0100
changeset 135
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parent 127
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child 172
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permissions
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ucx update

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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 "../util/strbuf.h"
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41 #include <ucx/string.h>
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42 #include <ucx/utils.h>
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43
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44 #include <errno.h>
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45
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46
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47 /*
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48 * prepares servicing a file
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49 *
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50 * adds content-length header
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51 *
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52 * return the opened file
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53 */
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54 SYS_FILE prepare_service_file(Session *sn, Request *rq, VFSContext *vfs, struct stat *s) {
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55 char *path = pblock_findkeyval(pb_key_path, rq->vars);
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56
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57 // open the file
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58 SYS_FILE fd = vfs_open(vfs, path, O_RDONLY);
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59 if(!fd) {
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60 // vfs_open sets http status code
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61 return NULL;
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62 }
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63
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64 // get stat
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65 if(vfs_fstat(vfs, fd, s) != 0) {
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66 //perror("prepare_service_file: stat");
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67 protocol_status(sn, rq, 500, NULL);
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68 return NULL;
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69 }
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71 // check if the file is a directory
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72 if(S_ISDIR(s->st_mode)) {
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73 pblock_nvinsert("content-length", "0", rq->srvhdrs);
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74 pblock_removekey(pb_key_content_type, rq->srvhdrs);
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75 char *uri = pblock_findkeyval(pb_key_uri, rq->reqpb);
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76 size_t urilen = strlen(uri);
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77 char *location = pool_malloc(sn->pool, urilen + 2);
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78 memcpy(location, uri, urilen);
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79 location[urilen] = '/';
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80 location[urilen+1] = '\0';
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81 pblock_kvinsert(pb_key_location, location, urilen + 1, rq->srvhdrs);
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82 protocol_status(sn, rq, 302, NULL);
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83 http_start_response(sn, rq);
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84 vfs_close(fd);
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85 return NULL;
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86 }
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88 // sets last-modified, content-length and checks conditions
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89 if(http_set_finfo(sn, rq, s) != REQ_PROCEED) {
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90 vfs_close(fd);
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91 return NULL;
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92 }
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93
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94 // TODO: check if vfs can seek
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95 pblock_kvinsert(pb_key_accept_ranges, "bytes", 5, rq->srvhdrs);
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96
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97 // start response
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98 protocol_status(sn, rq, 200, NULL);
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99
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100 return fd;
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101 }
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102
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103 static void free_range(Session *sn, HttpRange *range) {
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104 HttpRange *elm = range;
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105 while(elm) {
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106 HttpRange *next = elm->next;
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107 pool_free(sn->pool, elm);
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108 elm = next;
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109 }
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110 }
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111
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112 static HttpRange* parse_range(Session *sn, char *header, int *status) {
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113 *status = PROTOCOL_OK;
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114
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115 sstr_t range = sstrtrim(sstr(header));
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116 if(!sstrprefix(range, S("bytes="))) {
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117 // unknown range unit - ignore range header
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118 return NULL;
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119 }
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120
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121 // get byte-range-set
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122 range = sstrsubs(range, 6);
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123 if(range.length < 1) {
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124 return NULL;
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125 }
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126
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127 HttpRange *range_list = NULL;
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128 HttpRange *last = NULL;
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129 off_t begin = -1;
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130 int start = 0;
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131 int hasbegin = 0;
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132 for(int i=0;i<=range.length;i++) {
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133 char c = range.ptr[i];
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134 if(c == '-') {
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135 sstr_t num = sstrsubsl(range, start, i-start);
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136 if(num.length == 0) {
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137 // empty string before '-' is legal
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138 hasbegin = 1;
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139 begin = -1;
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140 start = i+1;
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141 continue;
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142 }
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143 char *end;
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144 long long n = strtoll(num.ptr, &end, 10);
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145 if(errno == 0 && end == range.ptr + i && n >= 0) {
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146 begin = n;
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147 hasbegin = 1;
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148 start = i+1;
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149 } else {
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150 // syntax error
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151 free_range(sn, range_list);
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152 return NULL;
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153 }
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154 } else if(c == ',' || c == '\0') {
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diff changeset
155 sstr_t num = sstrsubsl(range, start, i-start);
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156 if(hasbegin) {
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157 long long n;
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158 if(num.length == 0) {
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159 // empty string after '-' is legal
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160 n = -1;
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161 } else {
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diff changeset
162 char *end;
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diff changeset
163 n = strtoll(num.ptr, &end, 10);
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164 if(errno != 0 || end != range.ptr + i || n < 0) {
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165 // syntax error
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166 free_range(sn, range_list);
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167 return NULL;
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168 }
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169 }
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170
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171 if(!(begin < 0 && n < 0)) {
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172 // range: begin - n
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173 HttpRange *rangeelm = pool_malloc(sn->pool, sizeof(HttpRange));
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174 if(!rangeelm) {
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175 free_range(sn, range_list);
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176 *status = PROTOCOL_SERVER_ERROR;
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177 return NULL;
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178 }
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179 rangeelm->begin = begin;
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180 rangeelm->end = n;
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181 rangeelm->next = NULL;
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182 if(!last) {
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183 range_list = rangeelm;
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184 last = rangeelm;
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185 } else {
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186 last->next = rangeelm;
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187 last = rangeelm;
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188 }
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189
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190 hasbegin = 0;
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191 start = i+1;
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192 continue;
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193 }
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194 }
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195
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196 // syntax error
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197 free_range(sn, range_list);
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198 return NULL;
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199 }
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200 }
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201
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202 return range_list;
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203 }
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204
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diff changeset
205 static int validate_range(HttpRange *range, struct stat *finfo, int *status) {
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206 off_t max_len = finfo->st_size;
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207 while(range) {
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208 if(range->begin > 0 && range->end > 0) {
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209 if(range->end < range->begin) {
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210 *status = PROTOCOL_REQUESTED_RANGE_NOT_SATISFIABLE;
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211 return 0;
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212 }
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213 }
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diff changeset
214 if(range->begin >= max_len) {
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diff changeset
215 *status = PROTOCOL_REQUESTED_RANGE_NOT_SATISFIABLE;
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diff changeset
216 return 0;
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diff changeset
217 }
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diff changeset
218 if(range->end >= max_len) {
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diff changeset
219 *status = PROTOCOL_REQUESTED_RANGE_NOT_SATISFIABLE;
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220 return 0;
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221 }
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222
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223 range = range->next;
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224 }
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225
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diff changeset
226 // TODO: check for Denial-of-Service Attacks
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227
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228 return 1;
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diff changeset
229 }
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230
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231 /*
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232 * translates a HttpRange element to a begin offset and a length
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233 * the HttpRange must be validated
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234 */
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diff changeset
235 static void range2off(HttpRange *range, off_t filelen, off_t *begin, off_t *length) {
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diff changeset
236 if(range->begin < 0) {
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diff changeset
237 // bytes=-a
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238 *begin = filelen - range->end;
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parents: 102
diff changeset
239 *length = range->end;
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diff changeset
240 } else if(range->end < 0) {
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diff changeset
241 // bytes=a-
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diff changeset
242 *begin = range->begin;
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diff changeset
243 *length = filelen - range->begin;
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diff changeset
244 } else {
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diff changeset
245 // bytes=a-b
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diff changeset
246 *begin = range->begin;
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diff changeset
247 *length = range->end + 1 - range->begin;
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diff changeset
248 }
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diff changeset
249 }
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diff changeset
250
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diff changeset
251 #define SF_MAX_LEN 0x8000000
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252
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diff changeset
253 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
254 off_t remaining = length;
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diff changeset
255
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diff changeset
256 sendfiledata sfd;
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diff changeset
257 sfd.fd = fd;
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diff changeset
258 sfd.header = header;
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parents: 102
diff changeset
259 sfd.hlen = headerlen;
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parents: 102
diff changeset
260 sfd.trailer = NULL;
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parents: 102
diff changeset
261
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
262 while(remaining > 0) {
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parents: 102
diff changeset
263 size_t sflen = remaining < SF_MAX_LEN ? remaining : SF_MAX_LEN;
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parents: 102
diff changeset
264 sfd.offset = offset;
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parents: 102
diff changeset
265 sfd.len = sflen;
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parents: 102
diff changeset
266
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diff changeset
267 ssize_t r = net_sendfile(sn->csd, &sfd);
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parents: 102
diff changeset
268 if(r < 0) {
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parents: 102
diff changeset
269 return -1;
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parents: 102
diff changeset
270 }
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diff changeset
271
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diff changeset
272 sfd.header = NULL; // make sure the header is only sent once
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parents: 102
diff changeset
273 offset += r;
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parents: 102
diff changeset
274 remaining -= r;
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parents: 102
diff changeset
275 }
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parents: 102
diff changeset
276
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diff changeset
277 return 0;
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parents: 102
diff changeset
278 }
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diff changeset
279
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diff changeset
280 struct multi_range_elm {
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parents: 102
diff changeset
281 sstr_t header;
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parents: 102
diff changeset
282 off_t offset;
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parents: 102
diff changeset
283 off_t length;
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parents: 102
diff changeset
284 };
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parents: 102
diff changeset
285
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parents: 102
diff changeset
286 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
287 pb_param *content_type = pblock_remove("content-type", rq->srvhdrs);
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parents: 102
diff changeset
288
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diff changeset
289 char sep[64];
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parents: 102
diff changeset
290 int seplen = util_mime_separator(sep);
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parents: 102
diff changeset
291
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parents: 102
diff changeset
292 sstr_t newct = ucx_sprintf("multipart/byteranges; boundary=%s", sep+4);
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parents: 102
diff changeset
293 pblock_kvinsert(
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
294 pb_key_content_type,
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parents: 102
diff changeset
295 newct.ptr,
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
296 newct.length,
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
297 rq->srvhdrs);
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parents: 102
diff changeset
298 free(newct.ptr);
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parents: 102
diff changeset
299
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parents: 102
diff changeset
300 // calculate content-length
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parents: 102
diff changeset
301 off_t response_len = 0;
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parents: 102
diff changeset
302
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
303 int nrange = 0;
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parents: 102
diff changeset
304 HttpRange *rangeelm = range;
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
305 while(rangeelm) {
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parents: 102
diff changeset
306 nrange++;
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parents: 102
diff changeset
307 rangeelm = rangeelm->next;
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
308 }
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
309
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parents: 102
diff changeset
310 struct multi_range_elm *r = calloc(nrange, sizeof(struct multi_range_elm));
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parents: 102
diff changeset
311 rangeelm = range;
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
312 int i=0;
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
313 while(rangeelm) {
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
314 range2off(rangeelm, filelen, &(r[i].offset), &(r[i].length));
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diff changeset
315 r[i].header = ucx_sprintf(
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
316 "%s\r\nContent-Type: %s\r\nContent-Range: bytes %lld-%lld/%lld\r\n\r\n",
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parents: 102
diff changeset
317 sep,
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diff changeset
318 content_type->value,
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parents: 102
diff changeset
319 (long long)r[i].offset,
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parents: 102
diff changeset
320 (long long)r[i].offset+r[i].length - 1,
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
321 filelen);
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
322
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
323 response_len += r[i].header.length + r[i].length;
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
324
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
325 rangeelm = rangeelm->next;
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
326 i++;
a8acbb12f27c implemented range requests
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diff changeset
327 }
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
328
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parents: 102
diff changeset
329 response_len += seplen + 4; // trailer: sep + '--' + CRLF
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parents: 102
diff changeset
330
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parents: 102
diff changeset
331 // finally, set the content-length header
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parents: 102
diff changeset
332 pblock_kllinsert(
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
333 pb_key_content_length,
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parents: 102
diff changeset
334 (long long)response_len,
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parents: 102
diff changeset
335 rq->srvhdrs);
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parents: 102
diff changeset
336
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diff changeset
337 // and start the response
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diff changeset
338 http_start_response(sn, rq);
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parents: 102
diff changeset
339
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diff changeset
340 rangeelm = range;
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parents: 102
diff changeset
341 i = 0;
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parents: 102
diff changeset
342 while(rangeelm) {
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parents: 102
diff changeset
343 if(send_range(sn, fd, r[i].offset, r[i].length, r[i].header.ptr, r[i].header.length)) {
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parents: 102
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344 // TODO: error
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345 }
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diff changeset
346 rangeelm = rangeelm->next;
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347 i++;
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348 }
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parents: 102
diff changeset
349 net_printf(sn->csd, "%s--\r\n", sep);
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diff changeset
350
116
d7a186cf87f6 adds find-pathinfo saf
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diff changeset
351 free(r);
104
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352 return 0;
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353 }
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diff changeset
354
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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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diff changeset
356 struct stat s;
104
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357 VFSContext *vfs = vfs_request_context(sn, rq);
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358 SYS_FILE fd = prepare_service_file(sn, rq, vfs, &s);
54
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diff changeset
359 if(!fd) {
44
3da1f7b6847f added some error messages
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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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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
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diff changeset
365 // get and validate range header
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parents: 102
diff changeset
366 char *range_header = pblock_findkeyval(pb_key_range, rq->headers);
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parents: 102
diff changeset
367 HttpRange *range = NULL;
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parents: 102
diff changeset
368 if(range_header) {
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diff changeset
369 int status;
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parents: 102
diff changeset
370 range = parse_range(sn, range_header, &status);
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parents: 102
diff changeset
371 if(status != PROTOCOL_OK) {
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parents: 102
diff changeset
372 protocol_status(sn, rq, status, NULL);
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parents: 102
diff changeset
373 vfs_close(fd);
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parents: 102
diff changeset
374 return REQ_ABORTED;
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parents: 102
diff changeset
375 }
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
376
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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
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parents: 102
diff changeset
379 free_range(sn, range);
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parents: 102
diff changeset
380 vfs_close(fd);
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parents: 102
diff changeset
381 return REQ_ABORTED;
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parents: 102
diff changeset
382 }
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parents: 102
diff changeset
383 }
54
3a1d5a52adfc new vfs api
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diff changeset
384
104
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diff changeset
385 int single_range = 1;
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diff changeset
386 off_t offset;
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parents: 102
diff changeset
387 off_t length;
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parents: 102
diff changeset
388 if(range) {
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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);
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parents: 102
diff changeset
391
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
392 if(range->next) {
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parents: 102
diff changeset
393 single_range = 0;
a8acbb12f27c implemented range requests
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parents: 102
diff changeset
394 } else {
a8acbb12f27c implemented range requests
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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
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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
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parents: 102
diff changeset
400 rq->srvhdrs);
a8acbb12f27c implemented range requests
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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
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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
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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
127
84e206063b64 adds minimal websocket implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 116
diff changeset
451 static int ws_msghandler(WebSocket *ws, WSMessage *msg) {
84e206063b64 adds minimal websocket implementation
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parents: 116
diff changeset
452 if(msg->type == 1) {
84e206063b64 adds minimal websocket implementation
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parents: 116
diff changeset
453 printf("Message(text): %.*s\n", (int)msg->length, msg->data);
84e206063b64 adds minimal websocket implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 116
diff changeset
454 websocket_send_text(ws->userdata, "hello", 5);
84e206063b64 adds minimal websocket implementation
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parents: 116
diff changeset
455 } else {
84e206063b64 adds minimal websocket implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 116
diff changeset
456 printf("Message: opcode: %d | length: %d\n", msg->type, (int)msg->length);
84e206063b64 adds minimal websocket implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 116
diff changeset
457 }
84e206063b64 adds minimal websocket implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 116
diff changeset
458 return 0;
84e206063b64 adds minimal websocket implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 116
diff changeset
459 }
84e206063b64 adds minimal websocket implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 116
diff changeset
460
84e206063b64 adds minimal websocket implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 116
diff changeset
461 int service_ws_hello(pblock *pb, Session *sn, Request *rq) {
84e206063b64 adds minimal websocket implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 116
diff changeset
462 WebSocket ws;
84e206063b64 adds minimal websocket implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 116
diff changeset
463 ZERO(&ws, sizeof(WebSocket));
84e206063b64 adds minimal websocket implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 116
diff changeset
464 ws.userdata = sn->csd;
84e206063b64 adds minimal websocket implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 116
diff changeset
465
84e206063b64 adds minimal websocket implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 116
diff changeset
466 ws.on_message = ws_msghandler;
84e206063b64 adds minimal websocket implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 116
diff changeset
467 return http_handle_websocket(sn, rq, &ws);
84e206063b64 adds minimal websocket implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 116
diff changeset
468 }
84e206063b64 adds minimal websocket implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 116
diff changeset
469
12
34aa8001ea53 Added directory index
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 11
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470 int service_index(pblock *pb, Session *sn, Request *rq) {
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471 //printf("service_index\n");
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472
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473 char *path = pblock_findkeyval(pb_key_path, rq->vars);
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parents: 11
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474 char *uri = pblock_findkeyval(pb_key_uri, rq->reqpb);
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parents: 11
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475
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476 sstr_t r_uri = sstr(uri);
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parents: 11
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477
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478 // open the file
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479 VFSContext *vfs = vfs_request_context(sn, rq);
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480 VFS_DIR dir = vfs_opendir(vfs, path);
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481 if(!dir) {
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482 return REQ_ABORTED;
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483 }
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parents: 11
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484
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485 sbuf_t *out = sbuf_new(1024); // output buffer
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parents: 11
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486
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487 // write html header
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488 sbuf_puts(out, "<html>\n<head>\n<title>Index of ");
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489 sbuf_puts(out, uri);
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490 sbuf_puts(out, "</title>\n</head><body>\n<h1>Index of ");
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parents: 11
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491 sbuf_puts(out, uri);
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parents: 11
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492 sbuf_puts(out, "</h1><hr>\n\n");
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493
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494 // list directory
55
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parents: 54
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495 VFS_ENTRY f;
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parents: 56
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496 while(vfs_readdir(dir, &f)) {
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497 sstr_t filename = sstr(f.name);
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parents: 11
diff changeset
498
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499 sbuf_puts(out, "<a href=\"");
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parents: 11
diff changeset
500 sbuf_append(out, r_uri);
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parents: 11
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501 sbuf_append(out, filename);
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 11
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502 sbuf_puts(out, "\">");
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parents: 11
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503 sbuf_append(out, filename);
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parents: 11
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504 sbuf_puts(out, "</a><br>\n");
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parents: 11
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505 }
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 11
diff changeset
506
34aa8001ea53 Added directory index
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parents: 11
diff changeset
507 sbuf_puts(out, "\n</body>\n</html>\n");
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parents: 11
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508
77
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Olaf Wintermann <olaf.wintermann@gmail.com>
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509 // send stuff to client
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parents: 11
diff changeset
510 pblock_removekey(pb_key_content_type, rq->srvhdrs);
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parents: 11
diff changeset
511 pblock_kvinsert(pb_key_content_type, "text/html", 9, rq->srvhdrs);
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512 pblock_nninsert("content-length", out->length, rq->srvhdrs);
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 11
diff changeset
513 protocol_status(sn, rq, 200, NULL);
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parents: 11
diff changeset
514 http_start_response(sn, rq);
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 11
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515
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parents: 11
diff changeset
516 net_write(sn->csd, out->ptr, out->length);
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parents: 11
diff changeset
517
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parents: 70
diff changeset
518 // close
55
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parents: 54
diff changeset
519 vfs_closedir(dir);
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diff changeset
520 sbuf_free(out);
12
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 11
diff changeset
521
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parents: 11
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522 return REQ_PROCEED;
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parents: 11
diff changeset
523 }
20
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parents: 14
diff changeset
524
7b235fa88008 Some fixes for mod_jk
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parents: 14
diff changeset
525 int send_options(pblock *pb, Session *sn, Request *rq) {
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parents: 14
diff changeset
526 char *allow = "HEAD, GET, PUT, DELETE, TRACE, OPTIONS, MOVE, COPY, "
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parents: 14
diff changeset
527 "PROPFIND, PROPPATCH, MKCOL, LOCK, UNLOCK, ACL, REPORT";
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 14
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528 char *dav = "1,2,access-control";
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 14
diff changeset
529
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parents: 14
diff changeset
530 pblock_removekey(pb_key_content_type, rq->srvhdrs);
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 14
diff changeset
531 pblock_nvinsert("allow", allow, rq->srvhdrs);
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 14
diff changeset
532 pblock_nvinsert("dav", dav, rq->srvhdrs);
7b235fa88008 Some fixes for mod_jk
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 14
diff changeset
533 pblock_nninsert("content-length", 0, rq->srvhdrs);
87
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 77
diff changeset
534 protocol_status(sn, rq, 204, NULL);
20
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 14
diff changeset
535 http_start_response(sn, rq);
7b235fa88008 Some fixes for mod_jk
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 14
diff changeset
536
7b235fa88008 Some fixes for mod_jk
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parents: 14
diff changeset
537 return REQ_PROCEED;
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parents: 14
diff changeset
538 }

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