src/server/util/object.c

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

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Wed, 28 Oct 2015 17:59:34 +0100
changeset 105
63d9051fe35c
parent 92
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child 107
7e81699d1f77
permissions
-rw-r--r--

using readdir_r instead of readdir

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1 /*
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2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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3 *
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4 * Copyright 2013 Olaf Wintermann. All rights reserved.
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5 *
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6 * Redistribution and use in source and binary forms, with or without
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7 * modification, are permitted provided that the following conditions are met:
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8 *
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9 * 1. Redistributions of source code must retain the above copyright
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10 * notice, this list of conditions and the following disclaimer.
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11 *
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12 * 2. Redistributions in binary form must reproduce the above copyright
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13 * notice, this list of conditions and the following disclaimer in the
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14 * documentation and/or other materials provided with the distribution.
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15 *
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16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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26 * POSSIBILITY OF SUCH DAMAGE.
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27 */
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28
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29 #include <ucx/string.h>
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30
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31 #include "../public/nsapi.h"
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32
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33 #include "object.h"
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34
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35 #include "pool.h"
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36 #include "../daemon/func.h"
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39
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40 httpd_object* object_new(pool_handle_t *pool, char *name) {
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41 // TODO: Speicherverwaltung
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42 httpd_object *obj = pool_malloc(pool, sizeof(httpd_object));
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43 obj->pool = pool;
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44 obj->name = name;
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45 obj->path = NULL;
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46
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47 // create directive table
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48 obj->dt = pool_calloc(pool, NUM_NSAPI_TYPES - 1, sizeof(struct dtable));
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49 obj->nd = NUM_NSAPI_TYPES - 1;
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50
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51 return obj;
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52 }
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53
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54 void object_free(httpd_object *obj) {
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55 //free(obj->name);
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56 //free(obj->dt);
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57 }
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60 void object_add_directive(httpd_object *obj, directive *dir, int dt) {
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61 dtable *l = object_get_dtable(obj, dt);
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62 // allocate space for the new directive
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63
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64 //l->dirs = realloc(l->dirs, (l->ndir+1)*sizeof(void*));
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65 // TODO: use realloc
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66
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67 directive **drs = pool_malloc(obj->pool, (l->ndir+1)*sizeof(void*));
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68 for(int i=0;i<l->ndir;i++) {
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69 drs[i] = l->dirs[i];
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70 }
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71 if(l->dirs != NULL) {
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72 pool_free(obj->pool, l->dirs);
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73 }
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74 l->dirs = drs;
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75
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76 // add directive
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77 l->dirs[l->ndir] = dir;
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78 l->ndir++;
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79 }
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81
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82 /* objset functions */
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83 httpd_objset* objset_create(pool_handle_t *pool) {
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84 httpd_objset *os = pool_malloc(pool, sizeof(httpd_objset));
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86 os->obj = pool_calloc(pool, 2, sizeof(void*));
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87 os->pos = 0;
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88
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89 return os;
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90 }
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91
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92 void objset_add_object(pool_handle_t *p, httpd_objset *os, httpd_object *obj) {
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93 if(os->pos != 0 && os->pos % 2 == 0) {
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94 os->obj = pool_realloc(p, os->obj, (os->pos + 2) * sizeof(void*));
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95 }
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96 os->obj[os->pos] = obj;
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97 os->pos++;
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98 }
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99
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100 void httpobjconf_add_object(HTTPObjectConfig *conf, httpd_object *obj) {
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101 conf->nobj++;
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102 conf->objects = realloc(conf->objects, conf->nobj * sizeof(void*));
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103 conf->objects[conf->nobj - 1] = obj;
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104 }
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105
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106
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107 void nsapi_context_next_stage(NSAPIContext *context) {
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108 context->dtable_index = 0;
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109 context->objset_index = -1;
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110 context->last_req_code = REQ_NOACTION;
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111 }
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112
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113
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114 Condition* condition_from_str(pool_handle_t *pool, char *expr, size_t len) {
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115 Condition *cond = pool_malloc(pool, sizeof(Condition));
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116 cond->expression = NULL;
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117 cond->parent = NULL;
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118 cond->index = 0;
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119
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120 printf("Expression: {");
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121 fwrite(expr, len, 1, stdout);
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122 printf("}\n");
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123
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124 cond->expression = expression_from_str(pool, expr, len);
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125
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126 return cond;
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127 }
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128
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129 Expression* expression_from_str(pool_handle_t *pool, char *expr, size_t len) {
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130 char str_qc = 0; // 0 or the quote char
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131 char c_brace = 0;
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132 int brace_count = 0;
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133
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134 Expression *expression = pool_malloc(pool, sizeof(Expression));
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135 ZERO(expression, sizeof(Expression));
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136
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137 Expression *ex = expression;
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138 /*
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139 * 0: first operand
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140 * 1: second operand
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141 * 2: next expression
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142 */
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143 int optoken = 0;
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144 int token_start = 0; // index of token begin
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145 int i;
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146 for(i=0;i<=len;i++) {
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147 char c = i == len ? ' ' : expr[i];
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148
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149 if(brace_count > 0) {
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150 if(c == c_brace) {
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151 char *token = expr + token_start;
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152 int token_len = i - token_start;
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153 printf("Token {");
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154 fwrite(token, token_len, 1, stdout);
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155 printf("}\n");
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156
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157
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
158
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parents: 61
diff changeset
159 // reset token_start
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parents: 61
diff changeset
160 token_start = -1;
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parents: 61
diff changeset
161 }
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
162 } else {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
163 if((c == '(' || c == '[') && !str_qc) {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
164 brace_count++;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
165 if(brace_count == 1) {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
166 if(c == '(') {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
167 c_brace = ')';
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
168 } else {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
169 c_brace = ']';
28433f06d5ee added minimal nsapi conditions
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parents: 61
diff changeset
170 }
28433f06d5ee added minimal nsapi conditions
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parents: 61
diff changeset
171 token_start = i+1;
28433f06d5ee added minimal nsapi conditions
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parents: 61
diff changeset
172 }
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
173 } else if(c == str_qc) {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
174 str_qc = 0;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
175 } else if(c == '\'' || c == '\"') {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
176 if(token_start != -1) {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
177 // error
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parents: 61
diff changeset
178 printf("error: token_start != -1");
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parents: 61
diff changeset
179 return NULL;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
180 }
28433f06d5ee added minimal nsapi conditions
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parents: 61
diff changeset
181 token_start = i;
28433f06d5ee added minimal nsapi conditions
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parents: 61
diff changeset
182 str_qc = c;
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parents: 61
diff changeset
183 } else if(c < 33 && token_start != -1 && !str_qc) {
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parents: 61
diff changeset
184 char *token = expr + token_start;
28433f06d5ee added minimal nsapi conditions
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parents: 61
diff changeset
185 int token_len = i - token_start;
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parents: 61
diff changeset
186 //printf("Token {");
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parents: 61
diff changeset
187 //fwrite(token, token_len, 1, stdout);
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parents: 61
diff changeset
188 //printf("}[%u]\n", token_len);
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parents: 61
diff changeset
189
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
190 int token_type = expr_token_type(token, token_len);
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parents: 61
diff changeset
191 switch(optoken) {
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parents: 61
diff changeset
192 case 0: {
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parents: 61
diff changeset
193 // first operand
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parents: 61
diff changeset
194 if(token_type == 1) {
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parents: 61
diff changeset
195 ex->optype[1] = EXPR_OP_NULL;
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diff changeset
196 ex->opdata[1] = NULL;
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parents: 61
diff changeset
197 ex->expr_operator = expr_operator(
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parents: 61
diff changeset
198 token,
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parents: 61
diff changeset
199 token_len);
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
200 break;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
201 } else {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
202 expr_set_op(pool, &ex->optype[0], &ex->opdata[0], token, token_len);
28433f06d5ee added minimal nsapi conditions
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parents: 61
diff changeset
203 }
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
204 optoken++;
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parents: 61
diff changeset
205 break;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
206 }
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
207 case 1: {
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parents: 61
diff changeset
208 // second operand
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parents: 61
diff changeset
209 if(token_type == 1) {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
210 Operator op = expr_operator(
28433f06d5ee added minimal nsapi conditions
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parents: 61
diff changeset
211 token,
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
212 token_len);
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
213 if(op != OP_AND && op != OP_OR && op != OP_XOR) {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
214 ex->expr_operator = op;
28433f06d5ee added minimal nsapi conditions
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parents: 61
diff changeset
215 break;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
216 } // else: jump to case 2
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
217 } else if(ex->expr_operator != 0) {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
218 expr_set_op(pool, &ex->optype[1], &ex->opdata[1], token, token_len);
28433f06d5ee added minimal nsapi conditions
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parents: 61
diff changeset
219 optoken++;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
220 break;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
221 } else {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
222 // syntax error
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
223 fprintf(stderr, "expr: missing operator(1)\n");
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
224 return NULL;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
225 }
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
226 }
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
227 case 2: {
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parents: 61
diff changeset
228 // next
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parents: 61
diff changeset
229 if(token_type == 1) {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
230 ex->next_operator = expr_operator(
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
231 token,
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
232 token_len);
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
233 optoken = 0;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
234 Expression *next_expr = pool_malloc(
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
235 pool,
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
236 sizeof(Expression));
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
237 ZERO(next_expr, sizeof(Expression));
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
238 ex->next = next_expr;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
239 ex = next_expr;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
240 break;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
241 } else {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
242 // syntax error
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
243 fprintf(stderr, "expr: missing operator(2)\n");
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
244 return NULL;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
245 }
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
246 }
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
247 }
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
248
28433f06d5ee added minimal nsapi conditions
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parents: 61
diff changeset
249 // reset token_start
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
250 token_start = -1;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
251 } else if(c > 32 && token_start == -1) {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
252 token_start = i;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
253 }
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
254 }
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
255 }
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
256
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
257 return expression;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
258 }
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
259
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
260 Operator expr_operator(char *token, size_t len) {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
261 if(!strncmp(token, "not", len) || !strncmp(token, "!", len)) {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
262 return OP_NOT;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
263 } else if(!strncmp(token, "and", len) || !strncmp(token, "&&", len)) {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
264 return OP_AND;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
265 } else if(!strncmp(token, "or", len) || !strncmp(token, "||", len)) {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
266 return OP_OR;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
267 } else if(!strncmp(token, "xor", len) || !strncmp(token, "^", len)) {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
268 return OP_XOR;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
269 } else if(!strncmp(token, "=", len)) {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
270 return OP_WILDCARD;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
271 } else if(!strncmp(token, "=~", len)) {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
272 return OP_REGEX;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
273 } else if(!strncmp(token, "!~", len)) {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
274 return OP_NREGEX;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
275 } else if(!strncmp(token, "+", len)) {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
276 return OP_ADD;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
277 } else if(!strncmp(token, "-", len)) {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
278 return OP_SUB;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
279 } else if(!strncmp(token, ".", len)) {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
280 return OP_CAT;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
281 } else if(!strncmp(token, "defined", len)) {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
282 return OP_DEF;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
283 } else if(!strncmp(token, "-d", len)) {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
284 return OP_DEXISTS;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
285 } else if(!strncmp(token, "-e", len)) {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
286 return OP_FDEXISTS;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
287 } else if(!strncmp(token, "-f", len)) {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
288 return OP_FEXISTS;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
289 } else if(!strncmp(token, "-l", len)) {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
290 return OP_LEXISTS;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
291 } else if(!strncmp(token, "-r", len)) {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
292 return OP_READABLE;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
293 } else if(!strncmp(token, "-s", len)) {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
294 return OP_FSIZE;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
295 } else if(!strncmp(token, "-U", len)) {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
296 return OP_UMAP;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
297 } else if(!strncmp(token, "<", len)) {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
298 return OP_LESS;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
299 } else if(!strncmp(token, "<=", len)) {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
300 return OP_LESSEQ;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
301 } else if(!strncmp(token, ">", len)) {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
302 return OP_GREATER;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
303 } else if(!strncmp(token, ">=", len)) {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
304 return OP_GREATEREQ;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
305 } else if(!strncmp(token, "lt", len)) {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
306 return OP_STRLESS;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
307 } else if(!strncmp(token, "le", len)) {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
308 return OP_STRLESSEQ;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
309 } else if(!strncmp(token, "gt", len)) {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
310 return OP_GREATER;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
311 } else if(!strncmp(token, "ge", len)) {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
312 return OP_STRGREATEREQ;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
313 } else if(!strncmp(token, "==", len)) {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
314 return OP_EQUAL;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
315 } else if(!strncmp(token, "!=", len)) {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
316 return OP_NOTEQUAL;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
317 } else if(!strncmp(token, "eq", len)) {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
318 return OP_STREQUAL;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
319 } else if(!strncmp(token, "ne", len)) {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
320 return OP_STRNOTEQUAL;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
321 }
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
322 return OP_NOOP;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
323 }
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
324
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
325 int expr_token_type(char *token, size_t len) {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
326 char c = token[0];
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
327 if(c == '$' || c == '"' || c == '\'') {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
328 return 0;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
329 } else {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
330 if(expr_operator(token, len) == OP_NOOP) {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
331 return 0;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
332 } else {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
333 return 1;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
334 }
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
335 }
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
336 }
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
337
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
338 void expr_set_op(pool_handle_t *pool, OperandType *type, void **val, char *token, size_t len) {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
339 char c = token[0];
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
340 if(c == '$') {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
341 *type = EXPR_OP_VAR;
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
342 sstr_t s = sstrn(token+1, len-1);
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
343 s = sstrdup_pool(pool, s);
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
344 *val = s.ptr;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
345 } else if(c == '"' || c == '\'') {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
346 *type = EXPR_OP_STRING;
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
347 sstr_t s = sstrn(token+1, len-2);
91
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 83
diff changeset
348 //s = sstrdup_pool(pool, s);
83
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
349 *val = s.ptr;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
350 }
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
351 }
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
352
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
353
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
354 int condition_evaluate(Condition *condition, Session *sn, Request *rq) {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
355 return expression_evaluate(condition->expression, sn, rq);
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
356 }
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
357
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
358 int expression_evaluate(Expression *ex, Session *sn, Request *rq) {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
359 int ret = 0;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
360
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
361 int last_eval = 0;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
362 Operator expr_lconn = OP_NOOP; // logical connective between 2 expressions
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
363 while(ex) {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
364 int eval = 0;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
365
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
366 if(!ex->opdata[1]) {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
367 /*
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
368 * Only one operand. Can be:
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
369 * boolean with or without not operator
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
370 * defined operator
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
371 * file/directory/link exists operator
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
372 */
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
373 int not_op = 0;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
374 switch(ex->expr_operator) {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
375 case OP_NOT: {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
376 not_op = 1;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
377 }
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
378 case OP_NOOP: {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
379 // must be boolean
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
380 // TODO
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
381 }
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
382 }
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
383
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
384 } else {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
385 void *ops[2];
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
386 VarType types[2];
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
387 for(int i=0;i<2;i++) {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
388 switch(ex->optype[i]) {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
389 case EXPR_OP_STRING: {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
390 ops[i] = ex->opdata[i];
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
391 types[i] = VAR_STRING;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
392 break;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
393 }
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
394 case EXPR_OP_VAR: {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
395 if(!expr_get_var(ex->opdata[i], sn, rq, &ops[i], &types[i]));
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
396 break;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
397 }
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
398 }
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
399 }
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
400
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
401 if(types[0] != types[1]) {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
402 fprintf(stderr, "Condition: incompatible types\n");
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
403 return 0;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
404 }
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
405
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
406 if(types[0] == VAR_STRING) {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
407 switch(ex->expr_operator) {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
408 case OP_WILDCARD: {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
409 eval = !shexp_match(ops[0], ops[1]);
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
410 break;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
411 }
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
412 case OP_STREQUAL: {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
413 eval = !strcmp(ops[0], ops[1]);
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
414 break;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
415 }
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
416 }
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
417 }
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
418 }
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
419
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
420
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
421 // evaluate logical connective between last 2 expressions
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
422 switch(expr_lconn) {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
423 case OP_AND: {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
424 if(!last_eval || !eval) {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
425 return 0;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
426 }
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
427 break;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
428 }
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
429 case OP_OR: {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
430 if(!last_eval && !eval) {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
431 return 0;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
432 }
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
433 }
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
434 case OP_XOR: {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
435 if(last_eval == eval) {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
436 return 0;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
437 }
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
438 }
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
439 }
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
440
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
441 last_eval = eval;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
442 // switch to next expression
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
443 if(ex->next) {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
444 expr_lconn = ex->next_operator;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
445 }
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
446 ex = ex->next;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
447 }
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
448
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
449 return last_eval;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
450 }
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
451
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
452 int expr_get_var(char *var, Session *sn, Request *rq, void **val, VarType *t) {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
453 if(!strcmp(var, "path")) {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
454 char *ppath = pblock_findval("ppath", rq->vars);
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
455 if(ppath) {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
456 *t = VAR_STRING;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
457 *val = ppath;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
458 return 1;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
459 }
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
460 } else if(!strcmp(var, "uri")) {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
461 char *uri = pblock_findval("uri", rq->reqpb);
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
462 if(uri) {
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
463 *t = VAR_STRING;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
464 *val = uri;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
465 return 1;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
466 }
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
467 }
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
468
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
469 *val = NULL;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
470 *t = 0;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
471 return 0;
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
472 }
28433f06d5ee added minimal nsapi conditions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 61
diff changeset
473

mercurial