src/server/config/serverconf.c

Mon, 24 Aug 2020 17:07:41 +0200

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Mon, 24 Aug 2020 17:07:41 +0200
branch
config
changeset 256
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parent 254
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permissions
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replace old server config loader

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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 <string.h>
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32
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33 #include "serverconf.h"
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34
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35 ServerConfig2 *load_server_config(char *file) {
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36 FILE *in = fopen(file, "r");
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37 if(in == NULL) {
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38 return NULL;
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39 }
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41 ServerConfig2 *conf = malloc(sizeof(ServerConfig2));
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42 conf->parser.parse = serverconf_parse;
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43 conf->file = file;
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44 conf->obj = NULL;
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45
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46 conf->objects = ucx_map_new(16);
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47 int r = cfg_parse_basic_file((ConfigParser*)conf, in);
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48 cfg_map_destr(conf->parser.mp->pool, conf->objects);
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49 if(r != 0) {
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50 // TODO: free
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51 return NULL;
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52 }
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53
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54 fclose(in);
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56 return conf;
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57 }
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58
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59 void free_server_config(ServerConfig2 *conf) {
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60 ucx_mempool_destroy(conf->parser.mp->pool);
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61 free(conf);
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62 }
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63
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64 int serverconf_parse(void *p, ConfigLine *begin, ConfigLine *end, sstr_t line){
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65 ServerConfig2 *conf = p;
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66 UcxAllocator *mp = conf->parser.mp;
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67
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68 begin->type = cfg_get_line_type(line);
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69 switch(begin->type) {
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70 case LINE_BEGIN_TAG: {
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71 ConfigTag *tag = cfg_parse_begin_tag(line, conf->parser.mp);
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73 // create server config object
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74 ServerConfigObject *obj = OBJ_NEW(
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75 conf->parser.mp,
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76 ServerConfigObject);
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77 obj->type = tag->name;
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78 obj->begin = begin;
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79 obj->end = end;
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80 obj->directives = NULL;
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81
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82 // add object to server config
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83 UcxList *list = ucx_map_sstr_get(conf->objects, obj->type);
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84 list = ucx_list_append_a(mp, list, obj);
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85 ucx_map_sstr_put(conf->objects, obj->type, list);
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86 conf->obj = obj;
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87
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88 break;
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89 }
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90 case LINE_END_TAG: {
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91 sstr_t tag = cfg_get_end_tag_name(line);
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92 if(sstrcmp(tag, conf->obj->type) != 0) {
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93 log_ereport(LOG_FAILURE, "server.conf: syntax error: wrong close tag");
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94 log_ereport(LOG_FAILURE, "open tag: %s close tag: %s", sstrdup(tag).ptr, sstrdup(conf->obj->type).ptr);
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95 exit(-1);
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96 }
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97 conf->obj = NULL;
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98
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99 break;
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100 }
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101 case LINE_DIRECTIVE: {
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102 if(conf->obj == NULL) {
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103 log_ereport(LOG_FAILURE, "server.conf: directive outside of object");
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104 exit(-1);
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105 }
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106
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107 ConfigDirective *d = cfg_parse_directive(line, conf->parser.mp);
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108 d->begin = begin;
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109 d->end = end;
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110
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111 //printf("%s.%s\n", conf->obj->type.ptr, d->directive_type.ptr);
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112 conf->obj->directives = ucx_list_append_a(mp, conf->obj->directives, d);
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113 }
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114 }
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115 return 0;
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116 }
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