Mercurial > masqmail

annotate src/libident/id_parse.c @ 66:4762e0d26d8e

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rename and movement of README contents
author meillo@marmaro.de
date Sun, 30 May 2010 17:11:07 +0200
parents 26e34ae9a3e3
children
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1 /*
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2 ** id_parse.c Receive and parse a reply from an IDENT server
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3 **
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4 ** Author: Peter Eriksson <pen@lysator.liu.se>
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5 ** Fiddling: Pär Emanuelsson <pell@lysator.liu.se>
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6 */
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7
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8 #ifdef NeXT3
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9 # include <libc.h>
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10 #endif
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11
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12 #include <stdio.h>
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13 #include <string.h>
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14 #include <errno.h>
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15 #include <ctype.h>
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16
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17 #ifdef HAVE_ANSIHEADERS
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18 # include <stdlib.h>
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19 # include <string.h>
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20 # include <unistd.h>
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21 #endif
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22
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23 #include <sys/types.h>
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24 #include <sys/wait.h>
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25 #include <sys/time.h>
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26
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27 #ifdef _AIX
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28 # include <sys/select.h>
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29 #endif
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30
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31 #ifdef _AIX
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32 # include <sys/select.h>
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33 #endif
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34 #ifdef VMS
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35 # include <sys/socket.h> /* for fd_set */
0
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36 #endif
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37 #define IN_LIBIDENT_SRC
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38 #include "ident.h"
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39
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40
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41 /*
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42 int
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43 id_parse __P7(ident_t *, id,
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44 struct timeval *, timeout,
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45 int *, lport,
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46 int *, fport,
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47 char **, identifier,
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48 char **, opsys,
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49 char **, charset)
0
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50 */
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51
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52 int
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53 id_parse __P((ident_t * id,
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54 __STRUCT_TIMEVAL_P timeout,
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55 int *lport,
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56 int *fport,
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57 char **identifier,
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58 char **opsys,
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59 char **charset))
0
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60 {
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61 char c, *cp, *tmp_charset;
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62 fd_set rs;
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63 int pos, res = 0, lp, fp;
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64
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65 errno = 0;
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66
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67 tmp_charset = 0;
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68
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69 if (!id)
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70 return -1;
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71 if (lport)
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72 *lport = 0;
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73 if (fport)
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74 *fport = 0;
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75 if (identifier)
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76 *identifier = 0;
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77 if (opsys)
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78 *opsys = 0;
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79 if (charset)
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80 *charset = 0;
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81
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82 pos = strlen(id->buf);
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83
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84 if (timeout) {
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85 FD_ZERO(&rs);
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86 FD_SET(id->fd, &rs);
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87
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88 #ifdef __hpux
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89 if ((res = select(FD_SETSIZE, (int *) &rs, (int *) 0, (int *) 0, timeout)) < 0)
0
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90 #else
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91 if ((res = select(FD_SETSIZE, &rs, (fd_set *) 0, (fd_set *) 0, timeout)) < 0)
0
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92 #endif
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93 return -1;
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94
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95 if (res == 0) {
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96 errno = ETIMEDOUT;
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97 return -1;
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98 }
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99 }
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100
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101 /* Every octal value is allowed except 0, \n and \r */
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102 while (pos < sizeof(id->buf)
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103 && (res = read(id->fd, id->buf + pos, 1)) == 1
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104 && id->buf[pos] != '\n' && id->buf[pos] != '\r')
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105 pos++;
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106
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107 if (res < 0)
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108 return -1;
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109
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110 if (res == 0) {
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111 errno = ENOTCONN;
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112 return -1;
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113 }
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114
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115 if (id->buf[pos] != '\n' && id->buf[pos] != '\r')
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116 return 0; /* Not properly terminated string */
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117
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118 id->buf[pos++] = '\0';
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119
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120 /*
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121 ** Get first field (<lport> , <fport>)
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122 */
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123 cp = id_strtok(id->buf, ":", &c);
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124 if (!cp)
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125 return -2;
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126
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127 if (sscanf(cp, " %d , %d", &lp, &fp) != 2) {
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128 if (identifier) {
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129 *identifier = id_strdup(cp);
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130 if (*identifier == NULL)
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131 return -4;
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132 }
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133 return -2;
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134 }
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135
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136 if (lport)
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137 *lport = lp;
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138 if (fport)
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139 *fport = fp;
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140
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141 /*
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142 ** Get second field (USERID or ERROR)
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143 */
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144 cp = id_strtok((char *) 0, ":", &c);
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145 if (!cp)
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146 return -2;
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147
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148 if (strcmp(cp, "ERROR") == 0) {
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149 cp = id_strtok((char *) 0, "\n\r", &c);
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150 if (!cp)
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151 return -2;
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152
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153 if (identifier) {
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154 *identifier = id_strdup(cp);
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155 if (*identifier == NULL)
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parents: 0
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156 return -4;
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parents: 0
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157 }
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parents: 0
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158
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159 return 2;
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parents: 0
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160 } else if (strcmp(cp, "USERID") == 0) {
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parents: 0
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161 /*
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parents: 0
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162 ** Get first subfield of third field <opsys>
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parents: 0
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163 */
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parents: 0
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164 cp = id_strtok((char *) 0, ",:", &c);
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parents: 0
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165 if (!cp)
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parents: 0
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166 return -2;
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parents: 0
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167
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parents: 0
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168 if (opsys) {
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parents: 0
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169 *opsys = id_strdup(cp);
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parents: 0
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170 if (*opsys == NULL)
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parents: 0
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171 return -4;
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parents: 0
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172 }
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parents: 0
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173
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parents: 0
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174 /*
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parents: 0
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175 ** We have a second subfield (<charset>)
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parents: 0
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176 */
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parents: 0
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177 if (c == ',') {
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parents: 0
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178 cp = id_strtok((char *) 0, ":", &c);
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parents: 0
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179 if (!cp)
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parents: 0
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180 return -2;
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parents: 0
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181
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parents: 0
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182 tmp_charset = cp;
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parents: 0
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183 if (charset) {
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parents: 0
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184 *charset = id_strdup(cp);
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parents: 0
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185 if (*charset == NULL)
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parents: 0
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186 return -4;
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parents: 0
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187 }
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parents: 0
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188
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parents: 0
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189 /*
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parents: 0
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190 ** We have even more subfields - ignore them
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parents: 0
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191 */
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parents: 0
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192 if (c == ',')
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parents: 0
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193 id_strtok((char *) 0, ":", &c);
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parents: 0
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194 }
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parents: 0
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195
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parents: 0
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196 if (tmp_charset && strcmp(tmp_charset, "OCTET") == 0)
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parents: 0
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197 cp = id_strtok((char *) 0, (char *) 0, &c);
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parents: 0
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198 else
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parents: 0
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199 cp = id_strtok((char *) 0, "\n\r", &c);
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parents: 0
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200
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parents: 0
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201 if (identifier) {
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parents: 0
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202 *identifier = id_strdup(cp);
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parents: 0
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203 if (*identifier == NULL)
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parents: 0
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204 return -4;
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parents: 0
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205 }
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parents: 0
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206 return 1;
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parents: 0
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207 } else {
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parents: 0
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208 if (identifier) {
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parents: 0
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209 *identifier = id_strdup(cp);
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parents: 0
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210 if (*identifier == NULL)
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parents: 0
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211 return -4;
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parents: 0
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212 }
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parents: 0
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213 return -3;
0
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
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214 }
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
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215 }