Mercurial > masqmail-0.2

annotate src/libident/id_open.c @ 100:992b7e80c01b

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the same typos in another file
author meillo@marmaro.de
date Tue, 22 Jun 2010 13:27:38 +0200 (2010-06-22)
parents 26e34ae9a3e3
children
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08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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1 /*
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2 ** id_open.c Establish/initiate a connection to 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 ** Fixes: P�r 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 <errno.h>
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14 #include <fcntl.h>
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15
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16 #ifdef HAVE_ANSIHEADERS
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17 # include <stdlib.h>
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18 # include <string.h>
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19 # include <unistd.h>
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20 # if !defined(__sgi) && !defined(VMS)
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21 # define bzero(p,l) memset(p, 0, l)
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22 # endif
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23 #endif
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24
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25 #include <sys/types.h>
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26 #include <sys/socket.h>
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27 #include <sys/wait.h>
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28 #include <sys/time.h>
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29 #include <sys/file.h>
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30
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31 #define IN_LIBIDENT_SRC
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32 #include "ident.h"
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33
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34 #include <arpa/inet.h>
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35
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36 #ifdef _AIX
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37 # include <sys/select.h>
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38 #endif
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39
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40
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41 /*
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42 ident_t *id_open __P3(struct in_addr *, laddr, struct in_addr *, faddr, struct timeval *, timeout)
0
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43 */
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44
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45 ident_t*
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46 id_open __P((__STRUCT_IN_ADDR_P laddr, __STRUCT_IN_ADDR_P faddr, __STRUCT_TIMEVAL_P timeout))
0
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47 {
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48 ident_t *id;
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49 int res, tmperrno;
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50 struct sockaddr_in sin_laddr, sin_faddr;
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51 fd_set rs, ws, es;
0
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52 #ifndef OLD_SETSOCKOPT
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53 int on = 1;
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54 struct linger linger;
0
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55 #endif
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56
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57 if ((id = (ident_t *) malloc(sizeof(*id))) == 0)
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58 return 0;
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59
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60 if ((id->fd = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
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61 free(id);
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62 return 0;
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63 }
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64
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65 if (timeout) {
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66 if ((res = fcntl(id->fd, F_GETFL, 0)) < 0)
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67 goto ERROR;
0
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68
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69 #ifndef VMS
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70 if (fcntl(id->fd, F_SETFL, res | FNDELAY) < 0)
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71 goto ERROR;
0
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72 #endif
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73 }
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74
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75 /* We silently ignore errors if we can't change LINGER */
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76 #ifdef OLD_SETSOCKOPT
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77 /* Old style setsockopt() */
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78 (void) setsockopt(id->fd, SOL_SOCKET, SO_DONTLINGER);
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79 (void) setsockopt(id->fd, SOL_SOCKET, SO_REUSEADDR);
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80 #else
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81 /* New style setsockopt() */
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82 linger.l_onoff = 0;
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83 linger.l_linger = 0;
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84
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85 (void) setsockopt(id->fd, SOL_SOCKET, SO_LINGER, (void *) &linger, sizeof(linger));
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86 (void) setsockopt(id->fd, SOL_SOCKET, SO_REUSEADDR, (void *) &on, sizeof(on));
0
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87 #endif
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88
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89 id->buf[0] = '\0';
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90
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91 bzero((char *) &sin_laddr, sizeof(sin_laddr));
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92 sin_laddr.sin_family = AF_INET;
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93 sin_laddr.sin_addr = *laddr;
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94 sin_laddr.sin_port = 0;
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95
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96 if (bind(id->fd, (struct sockaddr *) &sin_laddr, sizeof(sin_laddr)) < 0) {
0
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97 #ifdef DEBUG
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98 perror("libident: bind");
0
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99 #endif
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100 goto ERROR;
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101 }
0
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102
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103 bzero((char *) &sin_faddr, sizeof(sin_faddr));
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104 sin_faddr.sin_family = AF_INET;
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105 sin_faddr.sin_addr = *faddr;
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106 sin_faddr.sin_port = htons(IDPORT);
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107
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108 errno = 0;
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109 res = connect(id->fd, (struct sockaddr *) &sin_faddr, sizeof(sin_faddr));
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110 if (res < 0 && errno != EINPROGRESS) {
0
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111 #ifdef DEBUG
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112 perror("libident: connect");
0
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113 #endif
10
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114 goto ERROR;
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115 }
0
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116
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117 if (timeout) {
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118 FD_ZERO(&rs);
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119 FD_ZERO(&ws);
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120 FD_ZERO(&es);
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121
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122 FD_SET(id->fd, &rs);
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123 FD_SET(id->fd, &ws);
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124 FD_SET(id->fd, &es);
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125
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126 #ifdef __hpux
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127 if ((res = select(FD_SETSIZE, (int *) &rs, (int *) &ws, (int *) &es, timeout)) < 0)
0
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128 #else
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129 if ((res = select(FD_SETSIZE, &rs, &ws, &es, timeout)) < 0)
0
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130 #endif
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131 {
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132 #ifdef DEBUG
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133 perror("libident: select");
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134 #endif
10
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135 goto ERROR;
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136 }
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137
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138 if (res == 0) {
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139 errno = ETIMEDOUT;
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140 goto ERROR;
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141 }
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142
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143 if (FD_ISSET(id->fd, &es))
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144 goto ERROR;
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145
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146 if (!FD_ISSET(id->fd, &rs) && !FD_ISSET(id->fd, &ws))
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147 goto ERROR;
0
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diff changeset
148 }
10
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
diff changeset
149
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
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150 return id;
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
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151
0
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
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152 ERROR:
10
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
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153 tmperrno = errno; /* Save, so close() won't erase it */
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
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154 close(id->fd);
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
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155 free(id);
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meillo@marmaro.de
parents: 0
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156 errno = tmperrno;
26e34ae9a3e3 changed indention and line wrapping to a more consistent style
meillo@marmaro.de
parents: 0
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157 return 0;
0
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
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158 }