src/server/util/util.c

Thu, 09 May 2013 13:19:51 +0200

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Thu, 09 May 2013 13:19:51 +0200
changeset 61
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parent 59
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child 62
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permissions
-rw-r--r--

improved configuration reloading

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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 2008 Sun Microsystems, Inc. All rights reserved.
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5 *
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6 * THE BSD LICENSE
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7 *
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8 * Redistribution and use in source and binary forms, with or without
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9 * modification, are permitted provided that the following conditions are met:
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10 *
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11 * Redistributions of source code must retain the above copyright notice, this
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12 * list of conditions and the following disclaimer.
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13 * Redistributions in binary form must reproduce the above copyright notice,
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14 * this list of conditions and the following disclaimer in the documentation
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15 * and/or other materials provided with the distribution.
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16 *
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17 * Neither the name of the nor the names of its contributors may be
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18 * used to endorse or promote products derived from this software without
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19 * specific prior written permission.
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20 *
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21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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24 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
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25 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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26 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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27 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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28 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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29 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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30 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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31 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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32 */
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33
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34 /*
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35 * util.c: A hodge podge of utility functions and standard functions which
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36 * are unavailable on certain systems
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37 *
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38 * Rob McCool
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39 */
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40
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41 #ifdef XP_UNIX
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42 #include <sys/types.h>
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43 #include <sys/wait.h>
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44 #include <stdlib.h>
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45 #include <unistd.h>
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46 #include <limits.h>
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47 #include "prthread.h"
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48 #endif /* XP_UNIX */
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49
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50
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51 //include "nspr.h"
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52 #include <errno.h>
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53
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54 #include "../daemon/netsite.h"
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55 #include "../public/nsapi.h"
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56
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57 #include "util.h"
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58
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59 /*
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60 NSAPI_PUBLIC int util_getboolean(const char *v, int def) {
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61 if(v[0] == 'T' || v[0] == 't') {
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62 return 1;
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63 }
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64 if(v[0] == 'F' || v[0] == 'f') {
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65 return 0;
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66 }
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67 return def;
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68 }
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69 */
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70
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71 NSAPI_PUBLIC int INTutil_getboolean(const char *v, int def) {
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72 if(v[0] == 'T' || v[0] == 't') {
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73 return 1;
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74 }
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75 if(v[0] == 'F' || v[0] == 'f') {
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76 return 0;
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77 }
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78 return def;
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79 }
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80
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81
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82 /* ------------------------------ util_itoa ------------------------------- */
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83 /*
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84 NSAPI_PUBLIC int util_itoa(int i, char *a)
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85 {
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86 int len = util_i64toa(i, a);
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87
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88 PR_ASSERT(len < UTIL_ITOA_SIZE);
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89
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90 return len;
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91 }
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92 */
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93 NSAPI_PUBLIC int INTutil_itoa(int i, char *a) {
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94 return INTutil_i64toa(i, a);
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95 }
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96
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97
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98 /* ----------------------------- util_i64toa ------------------------------ */
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99
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100 /*
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101 * Assumption: Reversing the digits will be faster in the general case
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102 * than doing a log10 or some nasty trick to find the # of digits.
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103 */
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104
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105 NSAPI_PUBLIC int INTutil_i64toa(int64_t i, char *a)
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106 {
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107 register int x, y, p;
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108 register char c;
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109 int negative;
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110
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111 negative = 0;
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112 if(i < 0) {
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113 *a++ = '-';
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114 negative = 1;
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115 i = -i;
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116 }
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117 p = 0;
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118 while(i > 9) {
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119 a[p++] = (i%10) + '0';
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120 i /= 10;
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121 }
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122 a[p++] = i + '0';
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123
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124 if(p > 1) {
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125 for(x = 0, y = p - 1; x < y; ++x, --y) {
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126 c = a[x];
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127 a[x] = a[y];
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128 a[y] = c;
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129 }
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130 }
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131 a[p] = '\0';
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132
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133 //PR_ASSERT(p + negative < UTIL_I64TOA_SIZE);
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134
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135 return p + negative;
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136 }
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137
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138
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139
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140 #ifndef XP_WIN32
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141 NSAPI_PUBLIC struct passwd *
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142 util_getpwnam(const char *name, struct passwd *result, char *buffer,
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143 int buflen)
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144 {
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145 struct passwd *rv;
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146
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147 #if defined(AIX) || defined(LINUX) || defined(HPUX)
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148 errno = getpwnam_r(name, result, buffer, buflen, &rv);
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149 if (errno != 0)
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150 rv = NULL;
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151 #else
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152 rv = getpwnam_r(name, result, buffer, buflen);
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153 #endif
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154
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155 return rv;
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156 }
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157 #endif
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158
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159
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160 #ifndef XP_WIN32
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161 NSAPI_PUBLIC struct passwd *
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162 util_getpwuid(uid_t uid, struct passwd *result, char *buffer, int buflen)
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163 {
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164 struct passwd *rv;
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165
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166 #if defined(AIX) || defined(LINUX) || defined(HPUX)
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167 errno = getpwuid_r(uid, result, buffer, buflen, &rv);
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168 if (errno != 0)
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169 rv = NULL;
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170 #else
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171 rv = getpwuid_r(uid, result, buffer, buflen);
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172 #endif
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173
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174 return rv;
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175 }
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176 #endif
56
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177
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178
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179 NSAPI_PUBLIC int util_errno2status(int errno_value) {
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180 switch(errno_value) {
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181 case 0: {
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182 return 200;
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183 }
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184 case EACCES: {
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185 return 403;
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186 }
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187 case ENOENT: {
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188 return 404;
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189 break;
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190 }
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191 }
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192 return 500;
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193 }
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194
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195 NSAPI_PUBLIC int util_uri_unescape_strict(char *s)
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196 {
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197 char *t, *u, t1, t2;
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198 int rv = 1;
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199
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200 for(t = s, u = s; *t; ++t, ++u) {
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201 if (*t == '%') {
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202 t1 = t[1] & 0xdf; /* [a-f] -> [A-F] */
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203 if ((t1 < 'A' || t1 > 'F') && (t[1] < '0' || t[1] > '9'))
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204 rv = 0;
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205
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206 t2 = t[2] & 0xdf; /* [a-f] -> [A-F] */
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207 if ((t2 < 'A' || t2 > 'F') && (t[2] < '0' || t[2] > '9'))
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208 rv = 0;
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209
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210 *u = ((t[1] >= 'A' ? ((t[1] & 0xdf) - 'A')+10 : (t[1] - '0'))*16) +
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211 (t[2] >= 'A' ? ((t[2] & 0xdf) - 'A')+10 : (t[2] - '0'));
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212 t += 2;
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213 }
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214 else if (u != t)
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215 *u = *t;
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216 }
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217 *u = *t;
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218
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219 return rv;
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220 }
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221
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222 NSAPI_PUBLIC
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223 sstr_t util_path_append(pool_handle_t *pool, char *path, char *ch) {
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224 sstr_t parent = sstr(path);
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225 sstr_t child = sstr(ch);
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226 sstr_t newstr;
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227 sstr_t s;
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228
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229 s.length = 0;
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230 s.ptr = NULL;
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231 newstr.length = parent.length + child.length;
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232 if(parent.ptr[parent.length - 1] != '/') {
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233 s = sstrn("/", 1);
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234 newstr.length++;
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235 }
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236
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237 newstr.ptr = pool_malloc(pool, newstr.length + 1);
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238 if(!newstr.ptr) {
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239 // TODO: error
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240 newstr.length = 0;
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241 return newstr;
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242 }
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243 if(s.length == 1) {
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244 newstr = sstrncat(3, newstr, parent, s, child);
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245 } else {
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246 newstr = sstrncat(2, newstr, parent, child);
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247 }
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248 newstr.ptr[newstr.length] = '\0';
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249
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250 return newstr;
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251 }

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