Mercurial > masqmail-0.2

annotate src/libident/id_query.c @ 179:ec3fe72a3e99

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Fixed an important bug with folded headers! g_strconcat() returns a *copy* of the string, but hdr->value still pointed to the old header (which probably was a memory leak, too). If the folded part had been quite small it was likely that the new string was at the same position as the old one, thus making everything go well. But if pretty long headers were folded several times it was likely that the new string was allocated somewhere else in memory, thus breaking things. In result mails to lots of recipients (folded header) were frequently only sent to the ones in the first line. Sorry for the inconvenience.
author meillo@marmaro.de
date Fri, 03 Jun 2011 09:52:17 +0200
parents 26e34ae9a3e3
children
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1 /*
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2 ** id_query.c Transmit a query 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 */
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6
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7 #ifdef NeXT3
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8 # include <libc.h>
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9 #endif
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10
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11 #include <stdio.h>
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12 #include <errno.h>
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13 #include <signal.h>
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14
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15 #ifdef HAVE_ANSIHEADERS
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16 # include <stdlib.h>
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17 # include <string.h>
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18 # include <unistd.h>
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19 #endif
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20
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21 #include <sys/types.h>
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22 #include <sys/wait.h>
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23 #include <sys/time.h>
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24
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25 #ifdef _AIX
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26 # include <sys/select.h>
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27 #endif
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28
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29 #ifdef _AIX
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30 # include <sys/select.h>
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31 #endif
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32 #ifdef VMS
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33 # include <sys/socket.h> /* for fd_set */
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34 #endif
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35 #define IN_LIBIDENT_SRC
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36 #include "ident.h"
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37
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38
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39 /*
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40 int
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41 id_query __P4(ident_t *, id, int, lport, int, fport, struct timeval *, timeout)
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42 */
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43
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44 int
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45 id_query __P((ident_t * id, int lport, int fport, __STRUCT_TIMEVAL_P timeout))
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46 {
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47 #ifdef SIGRETURNTYPE
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48 SIGRETURNTYPE(*old_sig) ();
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49 #else
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50 void (*old_sig) __P((int));
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51 #endif
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52 int res;
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53 char buf[80];
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54 fd_set ws;
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55
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56 sprintf(buf, "%d , %d\r\n", lport, fport);
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57
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58 if (timeout) {
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59 FD_ZERO(&ws);
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60 FD_SET(id->fd, &ws);
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61
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62 #ifdef __hpux
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63 if ((res = select(FD_SETSIZE, (int *) 0, (int *) &ws, (int *) 0, timeout)) < 0)
0
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64 #else
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65 if ((res = select(FD_SETSIZE, (fd_set *) 0, &ws, (fd_set *) 0, timeout)) < 0)
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66 #endif
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67 return -1;
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68
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69 if (res == 0) {
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70 errno = ETIMEDOUT;
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71 return -1;
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72 }
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73 }
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74
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75 old_sig = signal(SIGPIPE, SIG_IGN);
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76
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77 res = write(id->fd, buf, strlen(buf));
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78
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79 signal(SIGPIPE, old_sig);
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80
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81 return res;
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82 }