src/server/admin/admin.c

Sun, 13 Nov 2022 10:57:38 +0100

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Sun, 13 Nov 2022 10:57:38 +0100
changeset 432
7c9137f9e7f9
parent 258
134279e804b6
permissions
-rw-r--r--

add http_send_response function that is usable for non-blocking IO

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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 <stdlib.h>
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31 #include <unistd.h>
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32
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33 #include "admin.h"
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34 #include "../util/pblock.h"
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35
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36 #include "../config/conf.h"
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37 #include "../config/objconf.h"
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38
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39 static Page *root_page;
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40
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41 int admin_init(pblock *pb, Session *sn, Request *rq) {
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42 log_ereport(LOG_VERBOSE, "admin-init");
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43 pool_handle_t *pool = pool_create();
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44 root_page = admin_page_create(pool, NULL, admin_root);
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45
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46 Page *ls_page = admin_page_create(pool, "listener", adm_listener);
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47 admin_add_page(root_page, ls_page);
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48 Page *cfgls_page = admin_page_create(pool, NULL, adm_cfglistener);
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49 admin_add_page(ls_page, cfgls_page);
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50
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51 Page *auth_page = admin_page_create(pool, "auth", adm_auth);
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52 admin_add_page(root_page, auth_page);
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53
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54 return REQ_PROCEED;
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55 }
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56
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57 int admin_service(pblock *pb, Session *sn, Request *rq) {
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58 pblock_removekey(pb_key_content_type, rq->srvhdrs);
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59 pblock_nvinsert("content-type", "text/plain", rq->srvhdrs);
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60 protocol_status(sn, rq, 200, NULL);
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61 http_start_response(sn, rq);
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62
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63 char *uri = pblock_findkeyval(pb_key_uri, rq->reqpb);
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64 uri++;
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65 uri = strchr(uri, '/');
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66 size_t uri_len = uri ? strlen(uri) : 0;
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67 // start with second character to skip leading '/'
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68 int s = 0;
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69 int i = 1;
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70 Page *page = root_page;
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71 for(;i<=uri_len;i++) {
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72 char c = uri[i];
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73 if(c == '/' || c == '\0') {
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74 if(i-s > 1) {
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75 // we have the path element name
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76 char *name = uri+s+1;
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77 size_t name_len = i-s-1;
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78
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79 // get matching admin page
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80 Page *child = page->children;
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81 page = NULL;
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82 while(child) {
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83 if(child->name) {
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84 if(!strncmp(child->name, name, name_len)) {
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85 page = child;
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86 break;
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87 }
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88 } else {
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89 page = child;
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90 break;
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91 }
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92 child = child->next;
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93 }
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94
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95 if(!page) {
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96 break;
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97 }
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98
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99 s = i;
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100 }
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101 }
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102 }
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103
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104 // service admin page
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105 if(page) {
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106 AdminRequest arq;
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107 arq.sn = sn;
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108 arq.rq = rq;
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109 page->service(page, &arq);
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110 } else {
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111 net_printf(sn->csd, "page not found\n");
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112 }
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113
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114 return REQ_PROCEED;
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115 }
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116
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117 int admin_root(Page *page, AdminRequest *rq) {
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118 return REQ_PROCEED;
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119 }
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120
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121 int adm_listener(Page *page, AdminRequest *rq) {
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122 SYS_NETFD out = rq->sn->csd;
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123
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124
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125
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126 return REQ_PROCEED;
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127 }
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128
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129 int adm_cfglistener(Page *page, AdminRequest *rq) {
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130 printf("adm_cfglistener\n");
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131 return REQ_PROCEED;
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132 }
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133
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134 int adm_auth(Page *page, AdminRequest *rq) {
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135 printf("adm_auth\n");
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136 return REQ_PROCEED;
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137 }
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138
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139
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140 // public admin API
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141
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142 Page* admin_page_create(pool_handle_t *pool, char *name, admin_service_f f) {
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143 Page *p = pool_malloc(pool, sizeof(Page));
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144 ZERO(p, sizeof(Page));
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145 if(name) {
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146 p->name = pool_strdup(pool, name);
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147 }
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148 p->service = f;
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149 return p;
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150 }
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151
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152 void admin_add_page(Page *parent, Page *child) {
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153 child->parent = parent;
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154 Page *ch = parent->children;
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155 if(ch) {
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156 while(ch->next) {
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157 ch = ch->next;
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158 }
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159 ch->next = child;
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160 } else {
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161 parent->children = child;
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
162 }
d25825f37967 preparation for admin interface
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
163 }

mercurial