src/server/config/serverconfig.c

Sat, 11 Mar 2023 13:57:30 +0100

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Sat, 11 Mar 2023 13:57:30 +0100
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parent 459
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child 464
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permissions
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add option to automatically bind new ldap sessions

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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 2020 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
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30 #include "serverconfig.h"
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31 #include "conf.h"
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32
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33 #include <stdio.h>
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34 #include <stdlib.h>
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35 #include <string.h>
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36 #include <ctype.h>
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37 #include <errno.h>
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38
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39 #include <cx/buffer.h>
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40 #include <cx/utils.h>
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41
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42 ServerConfig* serverconfig_load(const char *file) {
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43 CxMempool *mp = cxBasicMempoolCreate(512);
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44 if(!mp) {
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45 return NULL;
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46 }
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47
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48 ConfigParser2 parser;
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49 memset(&parser, 0, sizeof(ConfigParser2));
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50 parser.mp = mp;
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51 parser.filename = file;
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52 parser.allow_hierarchy = true;
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53 parser.delim = "";
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54 ConfigNode *root = serverconfig_load_file(&parser, file);
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55 if(!root) {
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56 cxMempoolDestroy(mp);
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57 return NULL;
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58 }
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59
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60 ServerConfig *scfg = cxMalloc(mp->allocator, sizeof(ServerConfig));
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61 if(!scfg) {
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62 cxMempoolDestroy(mp);
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63 return NULL;
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64 }
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65 scfg->root = root;
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66 scfg->mp = mp;
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67 scfg->tab = cx_str("\t");
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68
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69 return scfg;
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70 }
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71
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72 ConfigNode* serverconfig_load_file(ConfigParser2 *parser, const char *file) {
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73 FILE *in = fopen(file, "r");
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74 if(in == NULL) {
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75 parser->error = CONFIG_PARSER_IO_ERROR;
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76 parser->io_errno = errno;
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77 return NULL;
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78 }
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79
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80 // temporary buffer to store the file content
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81 CxBuffer buf;
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82 if(cxBufferInit(&buf, NULL, 16384, cxDefaultAllocator, CX_BUFFER_AUTO_EXTEND|CX_BUFFER_FREE_CONTENTS)) {
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83 fclose(in);
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84 parser->error = CONFIG_PARSER_OOM;
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85 return NULL;
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86 }
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87
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88 //ucx_stream_copy(in, buf, (read_func)fread, (write_func)ucx_buffer_write);
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89 char readbuf[2048];
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90 size_t r;
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91 while((r = fread(readbuf, 1, 2048, in)) > 0) {
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92 cxBufferWrite(readbuf, 1, r, &buf);
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93 }
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94 fclose(in);
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95
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96 ConfigNode *root = serverconfig_parse(parser, cx_strn(buf.space, buf.size));
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97 cxBufferDestroy(&buf);
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98 return root;
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99 }
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100
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101 static int scfg_char_is_delim(ConfigParser2 *parser, char c) {
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102 size_t len = strlen(parser->delim);
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103 for(int i=0;i<len;i++) {
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104 if(c == parser->delim[i]) {
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105 return 1;
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106 }
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107 }
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108 return 0;
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109 }
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110
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111 static CFGToken get_next_token(ConfigParser2 *parser, cxstring content, int *pos) {
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112 CFGToken token = { {NULL, 0}, CFG_NO_TOKEN };
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113 CFGTokenType type = CFG_TOKEN;
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114
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115 int start = *pos;
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116
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117 int token_begin = -1;
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118 int token_end = content.length-1;
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119
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120 int quote = 0;
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121 int comment = 0;
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122
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123 int i;
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124 char prev = 0;
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125 for(i=start;i<content.length;i++) {
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126 char c = content.ptr[i];
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127 if(c == '\n') {
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128 if(quote) {
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129 *pos = i;
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130 log_ereport(
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131 LOG_FAILURE,
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132 "cfgparser: file %s:%d:%d: error: %s",
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133 parser->filename,
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134 parser->linenum,
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135 parser->linepos+2,
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136 "missing '\"' character before end of line");
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137 return token; // error
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138 } else if(start == i) {
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139 // single newline char token
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140 type = CFG_TOKEN_NEWLINE;
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141 token_begin = i;
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142 token_end = i+1;
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143 parser->linenum++;
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diff changeset
144 parser->linepos = 0;
256
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145 break;
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146 }
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147
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148 token_end = i;
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149 if(token_begin < 0) {
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150 // only space/comment token
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151 token_begin = start;
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152 type = comment ? CFG_TOKEN_COMMENT : CFG_TOKEN_SPACE;
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153 }
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154 // make sure next run will return current newline char as token
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155 i--;
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156 break;
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157 } else if(quote) {
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158 if(c == '"' && prev != '\\') {
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159 quote = 0;
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160 }
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161 } else if(comment) {
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162 // ignore
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163 if(c == '\n') {
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164 comment = 0;
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165 }
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166 } else if(c == '#') {
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167 comment = 1;
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168 } else if(isspace(c)) {
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169 if(token_begin >= 0) {
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170 token_end = i;
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171 break;
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172 }
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173 } else if(c == '"') {
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174 quote = 1;
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175 if(token_begin < 0) {
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176 token_begin = i;
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177 }
425
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178 } else if(scfg_char_is_delim(parser, c)) {
422
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179 if(token_begin >= 0) {
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180 token_end = i;
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181 i--;
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182 break;
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183 } else {
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184 token_begin = i;
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185 token_end = i+1;
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186 break;
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187 }
256
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188 } else if(token_begin < 0) {
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189 token_begin = i;
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190 }
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191 prev = c;
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192
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193 parser->linepos++;
256
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194 }
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195
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196 *pos = i + 1;
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197
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198 if(token_begin < 0) {
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199 return token; // error or EOF
256
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200 }
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201
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202 token.type = type;
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203 token.content = cx_strsubsl(content, token_begin, token_end - token_begin);
256
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204 return token;
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205 }
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206
258
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207 /*
256
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208 static void test_print_config(ConfigNode *parent) {
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209 UCX_FOREACH(elm, parent->children) {
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210 ConfigNode *node = elm->data;
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211
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212 if(node->type == CONFIG_NODE_SPACE) {
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213 printf("sp: %s", node->text_begin.ptr);
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214 } else if(node->type == CONFIG_NODE_COMMENT) {
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215 printf("cm: %s", node->text_begin.ptr);
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216 } else if(node->type == CONFIG_NODE_OBJECT) {
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217 printf("o{: %s : %s", node->name.ptr, node->text_begin.ptr);
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218 test_print_config(node);
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219 printf("o}: %s", node->text_end.ptr);
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220 } else if(node->type == CONFIG_NODE_DIRECTIVE) {
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221 printf("di: %s", node->text_begin.ptr);
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222 } else {
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223 printf("fk: %s", node->text_begin.ptr);
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224 }
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225 }
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226 }
258
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227 */
256
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228
415
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229 static void config_arg_set_value(CxAllocator *a, ConfigParam *arg, CFGToken token) {
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230 cxstring nv = cx_strchr(token.content, '=');
367
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231 if(!nv.ptr) {
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232 arg->value = cx_strdup_a(a, token.content);
367
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233 } else {
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234 intptr_t eq = (intptr_t)(nv.ptr - token.content.ptr);
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235 cxstring name = token.content;
367
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236 name.length = (size_t)eq;
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237
415
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238 cxstring value = nv;
367
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239 value.ptr++;
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240 value.length--;
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241 if(value.length > 1 && value.ptr[0] == '"' && value.ptr[value.length-1] == '"') {
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242 value.ptr++;
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243 value.length -= 2; // remove quote
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244 }
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245
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246 arg->name = cx_strdup_a(a, name);
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247 arg->value = cx_strdup_a(a, value);
367
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248 }
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249 }
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250
415
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diff changeset
251 static int nodestack_prepend(CxAllocator *a, ConfigNodeStack **stack, ConfigNode *node) {
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252 ConfigNodeStack *elm = cxMalloc(a, sizeof(ConfigNodeStack));
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253 if(!elm) return 1;
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254 elm->node = node;
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255 elm->next = NULL;
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256 cx_linked_list_prepend((void**)stack, NULL, -1, offsetof(ConfigNodeStack, next), elm);
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257 return 0;
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258 }
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259
418
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diff changeset
260 ConfigNode* serverconfig_parse(ConfigParser2 *parser, cxstring content) {
417
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diff changeset
261 CxMempool *mp = parser->mp;
415
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262 CxAllocator *a = (CxAllocator*)mp->allocator;
256
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263
459
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diff changeset
264 parser->linenum = 1;
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265 parser->linepos = 1;
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266
425
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diff changeset
267 if(!parser->delim) {
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268 parser->delim = "";
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269 }
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diff changeset
270
256
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271 // PARSE:
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272 // first non space/comment token is directive/object name
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273 // following tokens are arguments
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274 // newline starts new directive
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275 // '{' converts directive to object and following directives will
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276 // be placed into the object
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277 int pos = 0; // needed for tokenizer
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278 CFGToken token;
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279
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280 ConfigNode *root_obj = cxCalloc(a, 1, sizeof(ConfigNode));
256
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281 root_obj->type = CONFIG_NODE_OBJECT;
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282
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diff changeset
283 ConfigNodeStack *node_stack = cxMalloc(a, sizeof(ConfigNodeStack));
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284 node_stack->node = root_obj;
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285 node_stack->next = NULL;
256
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286
415
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diff changeset
287 ConfigNode *current = cxCalloc(a, 1, sizeof(ConfigNode));
256
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288 current->type = CONFIG_NODE_SPACE;
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289 ConfigNode *obj = NULL;
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290 int obj_closed = 0;
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291
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parents:
diff changeset
292 int text_start = 0;
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parents:
diff changeset
293 int err = 0;
425
6440171c257f make config parser delimiters configurable
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 424
diff changeset
294 while((token = get_next_token(parser, content, &pos)).type != CFG_NO_TOKEN) {
256
19259b6c5cf7 replace old server config loader
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diff changeset
295 //printf("%s [%.*s]\n", token_type_str(token.type), (int)token.content.length, token.content.ptr);
415
d938228c382e switch from ucx 2 to 3
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parents: 367
diff changeset
296
256
19259b6c5cf7 replace old server config loader
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parents:
diff changeset
297 switch(token.type) {
269
3dfbd0b91950 add ResourcePool initialization
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parents: 258
diff changeset
298 case CFG_NO_TOKEN: break;
256
19259b6c5cf7 replace old server config loader
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parents:
diff changeset
299 case CFG_TOKEN_COMMENT: {
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diff changeset
300 if(current->type == CONFIG_NODE_SPACE) {
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diff changeset
301 current->type = CONFIG_NODE_COMMENT;
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parents:
diff changeset
302 }
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parents:
diff changeset
303 break;
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parents:
diff changeset
304 }
19259b6c5cf7 replace old server config loader
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parents:
diff changeset
305 case CFG_TOKEN_SPACE: break;
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parents:
diff changeset
306 case CFG_TOKEN_NEWLINE: {
415
d938228c382e switch from ucx 2 to 3
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diff changeset
307 cxstring line = cx_strsubsl(content, text_start, pos - text_start);
256
19259b6c5cf7 replace old server config loader
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diff changeset
308 text_start = pos;
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parents:
diff changeset
309
415
d938228c382e switch from ucx 2 to 3
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parents: 367
diff changeset
310 cxmutstr line_cp = cx_strdup_a(a, line);
256
19259b6c5cf7 replace old server config loader
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parents:
diff changeset
311
415
d938228c382e switch from ucx 2 to 3
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parents: 367
diff changeset
312 ConfigNode *parent = node_stack->node;
256
19259b6c5cf7 replace old server config loader
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parents:
diff changeset
313 if(current->type == CONFIG_NODE_CLOSE_OBJECT) {
415
d938228c382e switch from ucx 2 to 3
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parents: 367
diff changeset
314 // this is a newline after a object is closed with '}'
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parents: 367
diff changeset
315 // the line containing "}\n" should be added to the object
256
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parents:
diff changeset
316 parent->text_end = line_cp;
417
90805bb9fbd6 prepare serverconfig parser to be also used for obj.conf and init.conf
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parents: 415
diff changeset
317 // validate
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diff changeset
318 if(parser->validateObjEnd && parser->validateObjEnd(parser, parent)) {
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parents: 415
diff changeset
319 // validation failed
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diff changeset
320 err = 1;
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diff changeset
321 break;
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diff changeset
322 }
415
d938228c382e switch from ucx 2 to 3
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diff changeset
323 // done with this object, remove it from the stack
d938228c382e switch from ucx 2 to 3
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parents: 367
diff changeset
324 ConfigNodeStack *remove_item = node_stack;
d938228c382e switch from ucx 2 to 3
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diff changeset
325 node_stack = node_stack->next;
d938228c382e switch from ucx 2 to 3
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diff changeset
326 cxFree(a, remove_item);
256
19259b6c5cf7 replace old server config loader
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parents:
diff changeset
327 } else if(current->type == CONFIG_NODE_OPEN_OBJECT) {
415
d938228c382e switch from ucx 2 to 3
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parents: 367
diff changeset
328 // newline after a object is opened with '{'
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diff changeset
329 // append '{' to the object text
d938228c382e switch from ucx 2 to 3
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diff changeset
330 cxmutstr new_textbegin = cx_strcat_a(a, 2, obj->text_begin, line_cp);
d938228c382e switch from ucx 2 to 3
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diff changeset
331 cxFree(a, obj->text_begin.ptr);
d938228c382e switch from ucx 2 to 3
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parents: 367
diff changeset
332 cxFree(a, line_cp.ptr);
256
19259b6c5cf7 replace old server config loader
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parents:
diff changeset
333 obj->text_begin = new_textbegin;
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parents:
diff changeset
334 } else {
415
d938228c382e switch from ucx 2 to 3
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diff changeset
335 // normal line containing a directive, space or comment
419
f1d29785ad2d new obj.conf parser based on serverconfig parser
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parents: 418
diff changeset
336
f1d29785ad2d new obj.conf parser based on serverconfig parser
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parents: 418
diff changeset
337 // add it to parent node
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parents: 418
diff changeset
338 current->text_begin = line_cp;
f1d29785ad2d new obj.conf parser based on serverconfig parser
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parents: 418
diff changeset
339 CFG_NODE_ADD(&parent->children_begin, &parent->children_end, current);
f1d29785ad2d new obj.conf parser based on serverconfig parser
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parents: 418
diff changeset
340
f1d29785ad2d new obj.conf parser based on serverconfig parser
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 418
diff changeset
341 // validate after CFG_NODE_ADD, because now current->prev is set
418
b7dcc9c4f270 use server.conf parser for init.conf as well
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 417
diff changeset
342 if(current->type == CONFIG_NODE_DIRECTIVE &&
b7dcc9c4f270 use server.conf parser for init.conf as well
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parents: 417
diff changeset
343 parser->validateDirective &&
b7dcc9c4f270 use server.conf parser for init.conf as well
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parents: 417
diff changeset
344 parser->validateDirective(parser, current))
b7dcc9c4f270 use server.conf parser for init.conf as well
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parents: 417
diff changeset
345 {
417
90805bb9fbd6 prepare serverconfig parser to be also used for obj.conf and init.conf
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parents: 415
diff changeset
346 err = 1;
90805bb9fbd6 prepare serverconfig parser to be also used for obj.conf and init.conf
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parents: 415
diff changeset
347 break;
90805bb9fbd6 prepare serverconfig parser to be also used for obj.conf and init.conf
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parents: 415
diff changeset
348 }
256
19259b6c5cf7 replace old server config loader
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parents:
diff changeset
349 }
19259b6c5cf7 replace old server config loader
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parents:
diff changeset
350
415
d938228c382e switch from ucx 2 to 3
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parents: 367
diff changeset
351 // obj points to the previous node that started as a directive
d938228c382e switch from ucx 2 to 3
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parents: 367
diff changeset
352 // the type is set to CONFIG_NODE_OBECT if it was followed by
d938228c382e switch from ucx 2 to 3
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parents: 367
diff changeset
353 // a '{' character
256
19259b6c5cf7 replace old server config loader
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parents:
diff changeset
354 if(obj && obj->type == CONFIG_NODE_OBJECT) {
417
90805bb9fbd6 prepare serverconfig parser to be also used for obj.conf and init.conf
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 415
diff changeset
355 // new object started
90805bb9fbd6 prepare serverconfig parser to be also used for obj.conf and init.conf
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 415
diff changeset
356 if(parser->validateObjBegin && parser->validateObjBegin(parser, obj)) {
90805bb9fbd6 prepare serverconfig parser to be also used for obj.conf and init.conf
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parents: 415
diff changeset
357 // validation callback failed
90805bb9fbd6 prepare serverconfig parser to be also used for obj.conf and init.conf
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parents: 415
diff changeset
358 err = 1;
90805bb9fbd6 prepare serverconfig parser to be also used for obj.conf and init.conf
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parents: 415
diff changeset
359 break;
90805bb9fbd6 prepare serverconfig parser to be also used for obj.conf and init.conf
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 415
diff changeset
360 }
90805bb9fbd6 prepare serverconfig parser to be also used for obj.conf and init.conf
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 415
diff changeset
361
90805bb9fbd6 prepare serverconfig parser to be also used for obj.conf and init.conf
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 415
diff changeset
362 // add it to the stack
415
d938228c382e switch from ucx 2 to 3
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parents: 367
diff changeset
363 nodestack_prepend(a, &node_stack, obj);
256
19259b6c5cf7 replace old server config loader
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parents:
diff changeset
364 obj = NULL;
19259b6c5cf7 replace old server config loader
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parents:
diff changeset
365 }
19259b6c5cf7 replace old server config loader
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parents:
diff changeset
366
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 367
diff changeset
367 current = cxCalloc(a, 1, sizeof(ConfigNode));
256
19259b6c5cf7 replace old server config loader
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parents:
diff changeset
368 current->type = CONFIG_NODE_SPACE;
19259b6c5cf7 replace old server config loader
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parents:
diff changeset
369
19259b6c5cf7 replace old server config loader
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parents:
diff changeset
370 obj_closed = 0;
19259b6c5cf7 replace old server config loader
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parents:
diff changeset
371 break;
19259b6c5cf7 replace old server config loader
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
372 }
19259b6c5cf7 replace old server config loader
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
373 case CFG_TOKEN: {
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 367
diff changeset
374 // normal text token
d938228c382e switch from ucx 2 to 3
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parents: 367
diff changeset
375 // either a directive/obj name, parameter or { }
d938228c382e switch from ucx 2 to 3
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parents: 367
diff changeset
376
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 367
diff changeset
377 if(!cx_strcmp(token.content, cx_str("{"))) {
417
90805bb9fbd6 prepare serverconfig parser to be also used for obj.conf and init.conf
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 415
diff changeset
378 // check if the parser allows an object hierarchy
90805bb9fbd6 prepare serverconfig parser to be also used for obj.conf and init.conf
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 415
diff changeset
379 if(!parser->allow_hierarchy) {
90805bb9fbd6 prepare serverconfig parser to be also used for obj.conf and init.conf
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 415
diff changeset
380 parser->error = CONFIG_PARSER_SYNTAX_ERROR;
90805bb9fbd6 prepare serverconfig parser to be also used for obj.conf and init.conf
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 415
diff changeset
381 err = 1;
90805bb9fbd6 prepare serverconfig parser to be also used for obj.conf and init.conf
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 415
diff changeset
382 break;
90805bb9fbd6 prepare serverconfig parser to be also used for obj.conf and init.conf
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 415
diff changeset
383 }
90805bb9fbd6 prepare serverconfig parser to be also used for obj.conf and init.conf
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 415
diff changeset
384
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 367
diff changeset
385 // obj is pointing to the previous node that started
d938228c382e switch from ucx 2 to 3
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parents: 367
diff changeset
386 // a directive
256
19259b6c5cf7 replace old server config loader
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parents:
diff changeset
387 if(!obj) {
19259b6c5cf7 replace old server config loader
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parents:
diff changeset
388 err = 1;
19259b6c5cf7 replace old server config loader
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
389 break;
19259b6c5cf7 replace old server config loader
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
390 }
19259b6c5cf7 replace old server config loader
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
391 obj->type = CONFIG_NODE_OBJECT;
19259b6c5cf7 replace old server config loader
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
392 if(current != obj) {
19259b6c5cf7 replace old server config loader
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
393 current->type = CONFIG_NODE_OPEN_OBJECT;
19259b6c5cf7 replace old server config loader
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
394 }
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 367
diff changeset
395 } else if(!cx_strcmp(token.content, cx_str("}"))) {
417
90805bb9fbd6 prepare serverconfig parser to be also used for obj.conf and init.conf
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 415
diff changeset
396 // check if the parser allows an object hierarchy
90805bb9fbd6 prepare serverconfig parser to be also used for obj.conf and init.conf
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 415
diff changeset
397 if(!parser->allow_hierarchy) {
90805bb9fbd6 prepare serverconfig parser to be also used for obj.conf and init.conf
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 415
diff changeset
398 parser->error = CONFIG_PARSER_SYNTAX_ERROR;
90805bb9fbd6 prepare serverconfig parser to be also used for obj.conf and init.conf
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 415
diff changeset
399 err = 1;
90805bb9fbd6 prepare serverconfig parser to be also used for obj.conf and init.conf
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 415
diff changeset
400 break;
90805bb9fbd6 prepare serverconfig parser to be also used for obj.conf and init.conf
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 415
diff changeset
401 }
90805bb9fbd6 prepare serverconfig parser to be also used for obj.conf and init.conf
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 415
diff changeset
402
256
19259b6c5cf7 replace old server config loader
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parents:
diff changeset
403 obj_closed = 1; // force newline before next directive
19259b6c5cf7 replace old server config loader
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
404 obj = NULL;
19259b6c5cf7 replace old server config loader
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
405 current->type = CONFIG_NODE_CLOSE_OBJECT;
19259b6c5cf7 replace old server config loader
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
406 } else {
19259b6c5cf7 replace old server config loader
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
407 if(obj_closed) {
19259b6c5cf7 replace old server config loader
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
408 err = 1;
19259b6c5cf7 replace old server config loader
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
409 break;
19259b6c5cf7 replace old server config loader
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
410 }
19259b6c5cf7 replace old server config loader
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
411
19259b6c5cf7 replace old server config loader
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
412 if(!current->name.ptr) {
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 367
diff changeset
413 // currently this could be a directive or object
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 367
diff changeset
414 current->name = cx_strdup_a(a, token.content);
256
19259b6c5cf7 replace old server config loader
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
415 current->type = CONFIG_NODE_DIRECTIVE;
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 367
diff changeset
416 obj = current; // potential object
256
19259b6c5cf7 replace old server config loader
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
417 } else {
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 367
diff changeset
418 // name already set, therefore this token must
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 367
diff changeset
419 // be a parameter
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 367
diff changeset
420 ConfigParam *arg = cxCalloc(a, 1, sizeof(ConfigParam));
367
1592224f6059 add support for name/value config args
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 366
diff changeset
421 config_arg_set_value(a, arg, token);
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 367
diff changeset
422 CFG_PARAM_ADD(&current->args, NULL, arg);
256
19259b6c5cf7 replace old server config loader
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
423 }
19259b6c5cf7 replace old server config loader
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
424 }
19259b6c5cf7 replace old server config loader
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
425 break;
19259b6c5cf7 replace old server config loader
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
426 }
19259b6c5cf7 replace old server config loader
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
427 }
19259b6c5cf7 replace old server config loader
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
428
19259b6c5cf7 replace old server config loader
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
429 if(err) {
19259b6c5cf7 replace old server config loader
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
430 break;
19259b6c5cf7 replace old server config loader
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
431 }
19259b6c5cf7 replace old server config loader
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
432 }
19259b6c5cf7 replace old server config loader
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
433
19259b6c5cf7 replace old server config loader
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
434 if(pos < content.length || err) {
19259b6c5cf7 replace old server config loader
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
435 // content not fully parsed because of an error
19259b6c5cf7 replace old server config loader
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parents:
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436 return NULL;
19259b6c5cf7 replace old server config loader
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parents:
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437 }
19259b6c5cf7 replace old server config loader
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parents:
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438
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439 //test_print_config(&root_obj);
418
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440 return root_obj;
256
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parents:
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441 }
19259b6c5cf7 replace old server config loader
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parents:
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442
19259b6c5cf7 replace old server config loader
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parents:
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443 void serverconfig_free(ServerConfig *cfg) {
415
d938228c382e switch from ucx 2 to 3
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diff changeset
444 cxMempoolDestroy(cfg->mp);
256
19259b6c5cf7 replace old server config loader
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parents:
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445 }
19259b6c5cf7 replace old server config loader
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parents:
diff changeset
446
415
d938228c382e switch from ucx 2 to 3
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diff changeset
447 ConfigNode* serverconfig_get_node(ConfigNode *parent, ConfigNodeType type, cxstring name) {
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448 for(ConfigNode *node=parent->children_begin;node;node=node->next) {
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diff changeset
449 if(node->type == type && !cx_strcasecmp(cx_strcast(node->name), name)) {
256
19259b6c5cf7 replace old server config loader
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parents:
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450 return node;
19259b6c5cf7 replace old server config loader
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parents:
diff changeset
451 }
19259b6c5cf7 replace old server config loader
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
452 }
19259b6c5cf7 replace old server config loader
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parents:
diff changeset
453 return NULL;
19259b6c5cf7 replace old server config loader
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parents:
diff changeset
454 }
19259b6c5cf7 replace old server config loader
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parents:
diff changeset
455
415
d938228c382e switch from ucx 2 to 3
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parents: 367
diff changeset
456 CxList* serverconfig_get_node_list(ConfigNode *parent, ConfigNodeType type, cxstring name) {
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parents: 367
diff changeset
457 CxList *nodes = cxPointerLinkedListCreate(cxDefaultAllocator, cx_cmp_ptr);
256
19259b6c5cf7 replace old server config loader
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parents:
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458
415
d938228c382e switch from ucx 2 to 3
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parents: 367
diff changeset
459 for(ConfigNode *node=parent->children_begin;node;node=node->next) {
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parents: 367
diff changeset
460 if(node->type == type && !cx_strcasecmp(cx_strcast(node->name), name)) {
d938228c382e switch from ucx 2 to 3
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parents: 367
diff changeset
461 cxListAdd(nodes, node);
256
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parents:
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462 }
19259b6c5cf7 replace old server config loader
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parents:
diff changeset
463 }
19259b6c5cf7 replace old server config loader
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
464
19259b6c5cf7 replace old server config loader
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parents:
diff changeset
465 return nodes;
19259b6c5cf7 replace old server config loader
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parents:
diff changeset
466 }
19259b6c5cf7 replace old server config loader
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parents:
diff changeset
467
418
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diff changeset
468 cxstring serverconfig_object_directive_value(ConfigNode *obj, cxstring name) {
256
19259b6c5cf7 replace old server config loader
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parents:
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469 ConfigNode *node = serverconfig_get_node(obj, CONFIG_NODE_DIRECTIVE, name);
415
d938228c382e switch from ucx 2 to 3
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parents: 367
diff changeset
470 if(node && CFG_NUM_PARAMS(node->args) == 1) {
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diff changeset
471 ConfigParam *arg = node->args;
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diff changeset
472 return (cxstring){ arg->value.ptr, arg->value.length };
256
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parents:
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473 }
415
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diff changeset
474 return (cxstring){ NULL, 0 };
256
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475 }
269
3dfbd0b91950 add ResourcePool initialization
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diff changeset
476
418
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diff changeset
477 cxstring serverconfig_directive_get_arg(ConfigNode *directive, cxstring arg_name) {
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diff changeset
478 cxstring ret = (cxstring){ NULL, 0 };
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diff changeset
479 ConfigParam *arg = directive->args;
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diff changeset
480 while(arg) {
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diff changeset
481 if(!cx_strcmp(arg_name, cx_strcast(arg->name))) {
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diff changeset
482 ret = cx_strcast(arg->value);
269
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parents: 258
diff changeset
483 break;
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diff changeset
484 }
418
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diff changeset
485 arg = arg->next;
269
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diff changeset
486 }
3dfbd0b91950 add ResourcePool initialization
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diff changeset
487
3dfbd0b91950 add ResourcePool initialization
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diff changeset
488 return ret;
3dfbd0b91950 add ResourcePool initialization
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parents: 258
diff changeset
489 }
418
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parents: 417
diff changeset
490
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parents: 417
diff changeset
491
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parents: 417
diff changeset
492
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diff changeset
493
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diff changeset
494 /* -------------------------- utility functions -------------------------- */
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diff changeset
495
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parents: 417
diff changeset
496 int serverconfig_validate_directive_name(
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parents: 417
diff changeset
497 ConfigNode *directive,
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diff changeset
498 const char *names[],
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diff changeset
499 size_t numnames,
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diff changeset
500 size_t *nameindex)
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 417
diff changeset
501 {
b7dcc9c4f270 use server.conf parser for init.conf as well
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parents: 417
diff changeset
502 for(size_t i=0;i<numnames;i++) {
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parents: 417
diff changeset
503 if(!cx_strcmp(cx_strcast(directive->name), cx_str(names[i]))) {
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parents: 417
diff changeset
504 *nameindex = i;
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parents: 417
diff changeset
505 return 0;
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parents: 417
diff changeset
506 }
b7dcc9c4f270 use server.conf parser for init.conf as well
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parents: 417
diff changeset
507 }
b7dcc9c4f270 use server.conf parser for init.conf as well
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 417
diff changeset
508 return 1;
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 417
diff changeset
509 }
b7dcc9c4f270 use server.conf parser for init.conf as well
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 417
diff changeset
510
b7dcc9c4f270 use server.conf parser for init.conf as well
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 417
diff changeset
511 int serverconfig_check_param_names(ConfigNode *directive, ConfigParam **err) {
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parents: 417
diff changeset
512 ConfigParam *arg = directive->args;
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parents: 417
diff changeset
513 while(arg) {
b7dcc9c4f270 use server.conf parser for init.conf as well
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 417
diff changeset
514 if(arg->name.length == 0) {
b7dcc9c4f270 use server.conf parser for init.conf as well
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parents: 417
diff changeset
515 *err = arg;
b7dcc9c4f270 use server.conf parser for init.conf as well
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 417
diff changeset
516 return 1;
b7dcc9c4f270 use server.conf parser for init.conf as well
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 417
diff changeset
517 }
b7dcc9c4f270 use server.conf parser for init.conf as well
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 417
diff changeset
518 arg = arg->next;
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parents: 417
diff changeset
519 }
b7dcc9c4f270 use server.conf parser for init.conf as well
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 417
diff changeset
520 return 0;
b7dcc9c4f270 use server.conf parser for init.conf as well
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 417
diff changeset
521 }
419
f1d29785ad2d new obj.conf parser based on serverconfig parser
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 418
diff changeset
522
f1d29785ad2d new obj.conf parser based on serverconfig parser
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 418
diff changeset
523 ConfigNode* serverconfig_previous_dir_or_obj(ConfigNode *node) {
f1d29785ad2d new obj.conf parser based on serverconfig parser
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 418
diff changeset
524 node = node->prev;
f1d29785ad2d new obj.conf parser based on serverconfig parser
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 418
diff changeset
525 while(node) {
f1d29785ad2d new obj.conf parser based on serverconfig parser
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 418
diff changeset
526 if(node->type == CONFIG_NODE_DIRECTIVE || node->type == CONFIG_NODE_OBJECT) {
f1d29785ad2d new obj.conf parser based on serverconfig parser
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 418
diff changeset
527 return node;
f1d29785ad2d new obj.conf parser based on serverconfig parser
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 418
diff changeset
528 }
f1d29785ad2d new obj.conf parser based on serverconfig parser
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 418
diff changeset
529 node = node->prev;
f1d29785ad2d new obj.conf parser based on serverconfig parser
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 418
diff changeset
530 }
f1d29785ad2d new obj.conf parser based on serverconfig parser
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 418
diff changeset
531 return NULL;
f1d29785ad2d new obj.conf parser based on serverconfig parser
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 418
diff changeset
532 }
f1d29785ad2d new obj.conf parser based on serverconfig parser
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 418
diff changeset
533
f1d29785ad2d new obj.conf parser based on serverconfig parser
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 418
diff changeset
534 size_t serverconfig_children_count(ConfigNode *node, ConfigNodeType type) {
f1d29785ad2d new obj.conf parser based on serverconfig parser
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 418
diff changeset
535 size_t count = 0;
f1d29785ad2d new obj.conf parser based on serverconfig parser
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 418
diff changeset
536 node = node->children_begin;
f1d29785ad2d new obj.conf parser based on serverconfig parser
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 418
diff changeset
537 while(node) {
f1d29785ad2d new obj.conf parser based on serverconfig parser
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 418
diff changeset
538 if(node->type == type) {
f1d29785ad2d new obj.conf parser based on serverconfig parser
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 418
diff changeset
539 count++;
f1d29785ad2d new obj.conf parser based on serverconfig parser
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 418
diff changeset
540 }
f1d29785ad2d new obj.conf parser based on serverconfig parser
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 418
diff changeset
541 node = node->next;
f1d29785ad2d new obj.conf parser based on serverconfig parser
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 418
diff changeset
542 }
f1d29785ad2d new obj.conf parser based on serverconfig parser
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 418
diff changeset
543 return count;
f1d29785ad2d new obj.conf parser based on serverconfig parser
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 418
diff changeset
544 }

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