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0
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1 /* movemail foo bar -- move file foo to file bar,
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2 locking file foo the way /bin/mail respects.
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118
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3 Copyright (C) 1986, 1992, 1993, 1994, 1996 Free Software Foundation, Inc.
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0
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4
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5 This file is part of GNU Emacs.
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6
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7 GNU Emacs is free software; you can redistribute it and/or modify
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8 it under the terms of the GNU General Public License as published by
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9 the Free Software Foundation; either version 2, or (at your option)
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10 any later version.
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11
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12 GNU Emacs is distributed in the hope that it will be useful,
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13 but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 GNU General Public License for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with GNU Emacs; see the file COPYING. If not, write to
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118
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19 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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0
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20 Boston, MA 02111-1307, USA. */
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21
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22 /* Important notice: defining MAIL_USE_FLOCK or MAIL_USE_LOCKF *will
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23 cause loss of mail* if you do it on a system that does not normally
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24 use flock as its way of interlocking access to inbox files. The
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25 setting of MAIL_USE_FLOCK and MAIL_USE_LOCKF *must agree* with the
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26 system's own conventions. It is not a choice that is up to you.
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27
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28 So, if your system uses lock files rather than flock, then the only way
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29 you can get proper operation is to enable movemail to write lockfiles there.
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30 This means you must either give that directory access modes
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31 that permit everyone to write lockfiles in it, or you must make movemail
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32 a setuid or setgid program. */
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33
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34 /*
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35 * Modified January, 1986 by Michael R. Gretzinger (Project Athena)
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36 *
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118
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37 * Added POP (Post Office Protocol) service. When compiled -DMAIL_USE_POP
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0
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38 * movemail will accept input filename arguments of the form
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39 * "po:username". This will cause movemail to open a connection to
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40 * a pop server running on $MAILHOST (environment variable). Movemail
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41 * must be setuid to root in order to work with POP.
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42 *
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43 * New module: popmail.c
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44 * Modified routines:
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45 * main - added code within #ifdef MAIL_USE_POP; added setuid (getuid ())
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46 * after POP code.
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47 * New routines in movemail.c:
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48 * get_errmsg - return pointer to system error message
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49 *
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118
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50 * Modified August, 1993 by Jonathan Kamens (OpenVision Technologies)
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51 *
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52 * Move all of the POP code into a separate file, "pop.c".
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53 * Use strerror instead of get_errmsg.
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54 *
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0
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55 */
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56
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57 #define NO_SHORTNAMES /* Tell config not to load remap.h */
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58 #include <../src/config.h>
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59 #include <sys/types.h>
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60 #include <sys/stat.h>
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61 #include <sys/file.h>
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118
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62 #include <stdio.h>
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0
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63 #include <errno.h>
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157
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64 #include "../src/syswait.h"
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163
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65 #include "../src/systime.h"
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122
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66 #include <stdlib.h>
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67 #include <string.h>
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377
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68 #include "getopt.h"
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118
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69 #ifdef MAIL_USE_POP
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70 #include "pop.h"
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377
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71 #include <regex.h>
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118
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72 #endif
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54
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73
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377
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74 extern char *optarg;
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75 extern int optind, opterr;
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76
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175
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77 #ifndef HAVE_STRERROR
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371
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78 static char * strerror (int errnum);
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175
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79 #endif /* HAVE_STRERROR */
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80
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0
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81 #ifdef MSDOS
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82 #undef access
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83 #endif /* MSDOS */
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84
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118
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85 #ifndef DIRECTORY_SEP
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86 #define DIRECTORY_SEP '/'
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87 #endif
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88 #ifndef IS_DIRECTORY_SEP
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89 #define IS_DIRECTORY_SEP(_c_) ((_c_) == DIRECTORY_SEP)
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90 #endif
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91
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92 #ifdef WINDOWSNT
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93 #undef access
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94 #undef unlink
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95 #define fork() 0
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96 #define sys_wait(var) (*(var) = 0)
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97 /* Unfortunately, Samba doesn't seem to properly lock Unix files even
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98 though the locking call succeeds (and indeed blocks local access from
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99 other NT programs). If you have direct file access using an NFS
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100 client or something other than Samba, the locking call might work
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101 properly - make sure it does before you enable this! */
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102 #define DISABLE_DIRECT_ACCESS
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288
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103 #include <io.h>
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118
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104 #endif /* WINDOWSNT */
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105
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163
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106 #if defined (HAVE_UNISTD_H) || defined (USG)
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0
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107 #include <unistd.h>
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163
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108 #endif /* unistd.h */
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0
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109 #ifndef F_OK
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110 #define F_OK 0
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111 #define X_OK 1
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112 #define W_OK 2
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113 #define R_OK 4
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163
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114 #endif /* No F_OK */
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0
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115
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163
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116 #if defined (HAVE_FCNTL_H) || defined (USG)
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117 #include <fcntl.h>
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118 #endif /* fcntl.h */
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0
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119
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118
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120 #if defined (XENIX) || defined (WINDOWSNT)
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0
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121 #include <sys/locking.h>
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122 #endif
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123
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124 #ifdef MAIL_USE_LOCKF
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125 #define MAIL_USE_SYSTEM_LOCK
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126 #endif
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127
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128 #ifdef MAIL_USE_FLOCK
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129 #define MAIL_USE_SYSTEM_LOCK
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130 #endif
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131
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132 #ifdef MAIL_USE_MMDF
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133 extern int lk_open (), lk_close ();
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134 #endif
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135
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136 /* Cancel substitutions made by config.h for Emacs. */
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137 #undef open
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138 #undef read
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139 #undef write
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140 #undef close
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141
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173
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142 static void fatal (char *, char*);
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143 static void error (char *, char *, char *);
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144 static void pfatal_with_name (char *);
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145 static void pfatal_and_delete (char *);
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146 static char *concat (char *, char *, char *);
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147 static long *xmalloc (unsigned int);
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213
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148 #ifdef MAIL_USE_POP
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173
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149 static int popmail (char *, char *, char *);
|
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213
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150 static int pop_retr (popserver server, int msgno, int (*action)(), void *arg);
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173
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151 static int mbx_write (char *, FILE *);
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152 static int mbx_delimit_begin (FILE *);
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153 static int mbx_delimit_end (FILE *);
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377
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154 static struct re_pattern_buffer* compile_regex (char* regexp_pattern);
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155 static int pop_search_top (popserver server, int msgno, int lines,
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156 struct re_pattern_buffer* regexp);
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213
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157 #endif
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0
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158
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159 /* Nonzero means this is name of a lock file to delete on fatal error. */
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160 char *delete_lockname;
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161
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377
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162 int verbose=0;
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163 #ifdef MAIL_USE_POP
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164 int reverse=0;
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165 int keep_messages=0;
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166 struct re_pattern_buffer* regexp_pattern=0;
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167 int match_lines=10;
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168 #endif
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169
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170 #define VERBOSE(x) if (verbose) { printf x; fflush(stdout); }
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171
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172 struct option longopts[] =
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173 {
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174 { "inbox", required_argument, NULL, 'i' },
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175 { "outfile", required_argument, NULL, 'o' },
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176 #ifdef MAIL_USE_POP
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177 { "password", required_argument, NULL, 'p' },
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178 { "reverse-pop-order", no_argument, NULL, 'x' },
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179 { "keep-messages", no_argument, NULL, 'k' },
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180 { "regex", required_argument, NULL, 'r' },
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181 { "match-lines", required_argument, NULL, 'l' },
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182 #endif
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183 { "verbose", no_argument, NULL, 'v' },
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184 { 0 }
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185 };
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186
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118
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187 int
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173
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188 main (int argc, char *argv[])
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0
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189 {
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377
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190 char *inname=0, *outname=0, *poppass=0;
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288
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191 #ifndef DISABLE_DIRECT_ACCESS
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0
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192 int indesc, outdesc;
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193 int nread;
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155
|
194 int status;
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288
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195 #endif
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0
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196
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197 #ifndef MAIL_USE_SYSTEM_LOCK
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198 struct stat st;
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199 long now;
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200 int tem;
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201 char *lockname, *p;
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202 char *tempname;
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203 int desc;
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204 #endif /* not MAIL_USE_SYSTEM_LOCK */
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205
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206 delete_lockname = 0;
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207
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377
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208 while (1)
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118
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209 {
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377
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210 #ifdef MAIL_USE_POP
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211 char* optstring = "i:o:p:l:r:xvk";
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212 #else
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213 char* optstring = "i:o:v";
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214 #endif
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215 int opt = getopt_long (argc, argv, optstring, longopts, 0);
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216
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217 if (opt == EOF)
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218 break;
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219
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220 switch (opt)
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221 {
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222 case 0:
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223 break;
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224 case 1: /* one of the standard arguments seen */
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225 if (!inname)
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226 inname = optarg;
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227 else if (!outname)
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228 outname = optarg;
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229 else
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230 poppass = optarg;
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231 break;
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232
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233 case 'i': /* infile */
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234 inname = optarg;
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235 break;
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236
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237 case 'o': /* outfile */
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238 outname = optarg;
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239 break;
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240 #ifdef MAIL_USE_POP
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241 case 'p': /* pop password */
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242 poppass = optarg;
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243 break;
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244 case 'k': keep_messages=1; break;
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245 case 'x': reverse = 1; break;
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246 case 'l': /* lines to match */
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247 match_lines = atoi (optarg);
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248 break;
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249
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250 case 'r': /* regular expression */
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251 regexp_pattern = compile_regex (optarg);
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252 break;
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253 #endif
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254 case 'v': verbose = 1; break;
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255 }
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256 }
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257
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|
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258 while (optind < argc)
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|
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259 {
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260 if (!inname)
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261 inname = argv[optind];
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262 else if (!outname)
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263 outname = argv[optind];
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264 else
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265 poppass = argv[optind];
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266 optind++;
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267 }
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268
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|
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269 if (!inname || !outname)
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270 {
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271 fprintf (stderr, "Usage: movemail [-rvxk] [-l lines ] [-i] inbox [-o] destfile [[-p] POP-password]\n");
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371
|
272 exit(1);
|
|
321
|
273 }
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274
|
|
0
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275 #ifdef MAIL_USE_MMDF
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276 mmdf_init (argv[0]);
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277 #endif
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278
|
|
118
|
279 if (*outname == 0)
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280 fatal ("Destination file name is empty", 0);
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281
|
|
0
|
282 /* Check access to output file. */
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283 if (access (outname, F_OK) == 0 && access (outname, W_OK) != 0)
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284 pfatal_with_name (outname);
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|
|
285
|
|
118
|
286 /* Also check that outname's directory is writable to the real uid. */
|
|
0
|
287 {
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|
|
288 char *buf = (char *) xmalloc (strlen (outname) + 1);
|
|
173
|
289 char *cp;
|
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0
|
290 strcpy (buf, outname);
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|
173
|
291 cp = buf + strlen (buf);
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292 while (cp > buf && !IS_DIRECTORY_SEP (cp[-1]))
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293 *--cp = 0;
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294 if (cp == buf)
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295 *cp++ = '.';
|
|
0
|
296 if (access (buf, W_OK) != 0)
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297 pfatal_with_name (buf);
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|
298 free (buf);
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|
|
299 }
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|
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300
|
|
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301 #ifdef MAIL_USE_POP
|
|
118
|
302 if (!strncmp (inname, "po:", 3))
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|
0
|
303 {
|
|
377
|
304 int retcode = popmail (inname + 3, outname, poppass);
|
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272
|
305 exit (retcode);
|
|
0
|
306 }
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307
|
|
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308 setuid (getuid ());
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|
|
309 #endif /* MAIL_USE_POP */
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|
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310
|
|
118
|
311 #ifndef DISABLE_DIRECT_ACCESS
|
|
|
312
|
|
0
|
313 /* Check access to input file. */
|
|
|
314 if (access (inname, R_OK | W_OK) != 0)
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|
|
315 pfatal_with_name (inname);
|
|
|
316
|
|
|
317 #ifndef MAIL_USE_MMDF
|
|
|
318 #ifndef MAIL_USE_SYSTEM_LOCK
|
|
118
|
319 /* Use a lock file named after our first argument with .lock appended:
|
|
0
|
320 If it exists, the mail file is locked. */
|
|
|
321 /* Note: this locking mechanism is *required* by the mailer
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|
|
322 (on systems which use it) to prevent loss of mail.
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323
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324 On systems that use a lock file, extracting the mail without locking
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|
325 WILL occasionally cause loss of mail due to timing errors!
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326
|
|
|
327 So, if creation of the lock file fails
|
|
118
|
328 due to access permission on the mail spool directory,
|
|
0
|
329 you simply MUST change the permission
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|
|
330 and/or make movemail a setgid program
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|
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331 so it can create lock files properly.
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332
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|
333 You might also wish to verify that your system is one
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|
|
334 which uses lock files for this purpose. Some systems use other methods.
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|
|
335
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|
|
336 If your system uses the `flock' system call for mail locking,
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|
337 define MAIL_USE_SYSTEM_LOCK in config.h or the s-*.h file
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|
|
338 and recompile movemail. If the s- file for your system
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|
|
339 should define MAIL_USE_SYSTEM_LOCK but does not, send a bug report
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|
|
340 to bug-gnu-emacs@prep.ai.mit.edu so we can fix it. */
|
|
|
341
|
|
|
342 lockname = concat (inname, ".lock", "");
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|
|
343 tempname = (char *) xmalloc (strlen (inname) + strlen ("EXXXXXX") + 1);
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|
|
344 strcpy (tempname, inname);
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|
|
345 p = tempname + strlen (tempname);
|
|
118
|
346 while (p != tempname && !IS_DIRECTORY_SEP (p[-1]))
|
|
0
|
347 p--;
|
|
|
348 *p = 0;
|
|
|
349 strcpy (p, "EXXXXXX");
|
|
|
350 mktemp (tempname);
|
|
|
351 unlink (tempname);
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|
|
352
|
|
|
353 while (1)
|
|
|
354 {
|
|
|
355 /* Create the lock file, but not under the lock file name. */
|
|
|
356 /* Give up if cannot do that. */
|
|
|
357 desc = open (tempname, O_WRONLY | O_CREAT | O_EXCL, 0666);
|
|
|
358 if (desc < 0)
|
|
118
|
359 {
|
|
|
360 char *message = (char *) xmalloc (strlen (tempname) + 50);
|
|
|
361 sprintf (message, "%s--see source file lib-src/movemail.c",
|
|
|
362 tempname);
|
|
|
363 pfatal_with_name (message);
|
|
|
364 }
|
|
0
|
365 close (desc);
|
|
|
366
|
|
|
367 tem = link (tempname, lockname);
|
|
|
368 unlink (tempname);
|
|
|
369 if (tem >= 0)
|
|
|
370 break;
|
|
|
371 sleep (1);
|
|
|
372
|
|
118
|
373 /* If lock file is five minutes old, unlock it.
|
|
|
374 Five minutes should be good enough to cope with crashes
|
|
|
375 and wedgitude, and long enough to avoid being fooled
|
|
|
376 by time differences between machines. */
|
|
0
|
377 if (stat (lockname, &st) >= 0)
|
|
|
378 {
|
|
|
379 now = time (0);
|
|
118
|
380 if (st.st_ctime < now - 300)
|
|
|
381 unlink (lockname);
|
|
0
|
382 }
|
|
|
383 }
|
|
|
384
|
|
|
385 delete_lockname = lockname;
|
|
|
386 #endif /* not MAIL_USE_SYSTEM_LOCK */
|
|
|
387 #endif /* not MAIL_USE_MMDF */
|
|
|
388
|
|
|
389 if (fork () == 0)
|
|
|
390 {
|
|
|
391 setuid (getuid ());
|
|
|
392
|
|
|
393 #ifndef MAIL_USE_MMDF
|
|
|
394 #ifdef MAIL_USE_SYSTEM_LOCK
|
|
|
395 indesc = open (inname, O_RDWR);
|
|
|
396 #else /* if not MAIL_USE_SYSTEM_LOCK */
|
|
|
397 indesc = open (inname, O_RDONLY);
|
|
|
398 #endif /* not MAIL_USE_SYSTEM_LOCK */
|
|
|
399 #else /* MAIL_USE_MMDF */
|
|
|
400 indesc = lk_open (inname, O_RDONLY, 0, 0, 10);
|
|
|
401 #endif /* MAIL_USE_MMDF */
|
|
|
402
|
|
|
403 if (indesc < 0)
|
|
|
404 pfatal_with_name (inname);
|
|
|
405
|
|
|
406 #if defined (BSD) || defined (XENIX)
|
|
|
407 /* In case movemail is setuid to root, make sure the user can
|
|
|
408 read the output file. */
|
|
|
409 /* This is desirable for all systems
|
|
|
410 but I don't want to assume all have the umask system call */
|
|
|
411 umask (umask (0) & 0333);
|
|
|
412 #endif /* BSD or Xenix */
|
|
|
413 outdesc = open (outname, O_WRONLY | O_CREAT | O_EXCL, 0666);
|
|
|
414 if (outdesc < 0)
|
|
|
415 pfatal_with_name (outname);
|
|
|
416 #ifdef MAIL_USE_SYSTEM_LOCK
|
|
|
417 #ifdef MAIL_USE_LOCKF
|
|
|
418 if (lockf (indesc, F_LOCK, 0) < 0) pfatal_with_name (inname);
|
|
|
419 #else /* not MAIL_USE_LOCKF */
|
|
|
420 #ifdef XENIX
|
|
|
421 if (locking (indesc, LK_RLCK, 0L) < 0) pfatal_with_name (inname);
|
|
|
422 #else
|
|
118
|
423 #ifdef WINDOWSNT
|
|
|
424 if (locking (indesc, LK_RLCK, -1L) < 0) pfatal_with_name (inname);
|
|
|
425 #else
|
|
0
|
426 if (flock (indesc, LOCK_EX) < 0) pfatal_with_name (inname);
|
|
|
427 #endif
|
|
118
|
428 #endif
|
|
0
|
429 #endif /* not MAIL_USE_LOCKF */
|
|
|
430 #endif /* MAIL_USE_SYSTEM_LOCK */
|
|
|
431
|
|
|
432 {
|
|
|
433 char buf[1024];
|
|
|
434
|
|
|
435 while (1)
|
|
|
436 {
|
|
|
437 nread = read (indesc, buf, sizeof buf);
|
|
|
438 if (nread != write (outdesc, buf, nread))
|
|
|
439 {
|
|
|
440 int saved_errno = errno;
|
|
|
441 unlink (outname);
|
|
|
442 errno = saved_errno;
|
|
|
443 pfatal_with_name (outname);
|
|
|
444 }
|
|
|
445 if (nread < sizeof buf)
|
|
|
446 break;
|
|
|
447 }
|
|
|
448 }
|
|
|
449
|
|
|
450 #ifdef BSD
|
|
|
451 if (fsync (outdesc) < 0)
|
|
|
452 pfatal_and_delete (outname);
|
|
|
453 #endif
|
|
|
454
|
|
|
455 /* Check to make sure no errors before we zap the inbox. */
|
|
|
456 if (close (outdesc) != 0)
|
|
|
457 pfatal_and_delete (outname);
|
|
|
458
|
|
|
459 #ifdef MAIL_USE_SYSTEM_LOCK
|
|
118
|
460 #if defined (STRIDE) || defined (XENIX) || defined (WINDOWSNT)
|
|
0
|
461 /* Stride, xenix have file locking, but no ftruncate. This mess will do. */
|
|
|
462 close (open (inname, O_CREAT | O_TRUNC | O_RDWR, 0666));
|
|
|
463 #else
|
|
|
464 ftruncate (indesc, 0L);
|
|
|
465 #endif /* STRIDE or XENIX */
|
|
|
466 #endif /* MAIL_USE_SYSTEM_LOCK */
|
|
|
467
|
|
|
468 #ifdef MAIL_USE_MMDF
|
|
|
469 lk_close (indesc, 0, 0, 0);
|
|
|
470 #else
|
|
|
471 close (indesc);
|
|
|
472 #endif
|
|
|
473
|
|
|
474 #ifndef MAIL_USE_SYSTEM_LOCK
|
|
|
475 /* Delete the input file; if we can't, at least get rid of its
|
|
|
476 contents. */
|
|
|
477 #ifdef MAIL_UNLINK_SPOOL
|
|
|
478 /* This is generally bad to do, because it destroys the permissions
|
|
|
479 that were set on the file. Better to just empty the file. */
|
|
|
480 if (unlink (inname) < 0 && errno != ENOENT)
|
|
|
481 #endif /* MAIL_UNLINK_SPOOL */
|
|
|
482 creat (inname, 0600);
|
|
|
483 #endif /* not MAIL_USE_SYSTEM_LOCK */
|
|
|
484
|
|
|
485 exit (0);
|
|
|
486 }
|
|
|
487
|
|
|
488 wait (&status);
|
|
|
489 if (!WIFEXITED (status))
|
|
|
490 exit (1);
|
|
155
|
491 else if (WEXITSTATUS (status) != 0)
|
|
|
492 exit (WEXITSTATUS (status));
|
|
0
|
493
|
|
|
494 #if !defined (MAIL_USE_MMDF) && !defined (MAIL_USE_SYSTEM_LOCK)
|
|
|
495 unlink (lockname);
|
|
|
496 #endif /* not MAIL_USE_MMDF and not MAIL_USE_SYSTEM_LOCK */
|
|
118
|
497
|
|
|
498 #endif /* ! DISABLE_DIRECT_ACCESS */
|
|
|
499
|
|
|
500 return 0;
|
|
0
|
501 }
|
|
|
502
|
|
|
503 /* Print error message and exit. */
|
|
|
504
|
|
173
|
505 static void
|
|
|
506 fatal (char *s1, char *s2)
|
|
0
|
507 {
|
|
|
508 if (delete_lockname)
|
|
|
509 unlink (delete_lockname);
|
|
173
|
510 error (s1, s2, NULL);
|
|
0
|
511 exit (1);
|
|
|
512 }
|
|
|
513
|
|
|
514 /* Print error message. `s1' is printf control string, `s2' is arg for it. */
|
|
|
515
|
|
173
|
516 static void
|
|
|
517 error (char *s1, char *s2, char *s3)
|
|
0
|
518 {
|
|
118
|
519 fprintf (stderr, "movemail: ");
|
|
|
520 fprintf (stderr, s1, s2, s3);
|
|
|
521 fprintf (stderr, "\n");
|
|
0
|
522 }
|
|
|
523
|
|
173
|
524 static void
|
|
|
525 pfatal_with_name (char *name)
|
|
0
|
526 {
|
|
118
|
527 char *s = concat ("", strerror (errno), " for %s");
|
|
0
|
528 fatal (s, name);
|
|
|
529 }
|
|
|
530
|
|
173
|
531 static void
|
|
|
532 pfatal_and_delete (char *name)
|
|
0
|
533 {
|
|
118
|
534 char *s = concat ("", strerror (errno), " for %s");
|
|
0
|
535 unlink (name);
|
|
|
536 fatal (s, name);
|
|
|
537 }
|
|
|
538
|
|
|
539 /* Return a newly-allocated string whose contents concatenate those of s1, s2, s3. */
|
|
|
540
|
|
173
|
541 static char *
|
|
|
542 concat (char *s1, char *s2, char *s3)
|
|
0
|
543 {
|
|
|
544 int len1 = strlen (s1), len2 = strlen (s2), len3 = strlen (s3);
|
|
|
545 char *result = (char *) xmalloc (len1 + len2 + len3 + 1);
|
|
|
546
|
|
|
547 strcpy (result, s1);
|
|
|
548 strcpy (result + len1, s2);
|
|
|
549 strcpy (result + len1 + len2, s3);
|
|
|
550 *(result + len1 + len2 + len3) = 0;
|
|
|
551
|
|
|
552 return result;
|
|
|
553 }
|
|
|
554
|
|
|
555 /* Like malloc but get fatal error if memory is exhausted. */
|
|
|
556
|
|
173
|
557 static long *
|
|
|
558 xmalloc (unsigned int size)
|
|
0
|
559 {
|
|
118
|
560 long *result = (long *) malloc (size);
|
|
0
|
561 if (!result)
|
|
118
|
562 fatal ("virtual memory exhausted", 0);
|
|
0
|
563 return result;
|
|
|
564 }
|
|
|
565
|
|
|
566 /* This is the guts of the interface to the Post Office Protocol. */
|
|
|
567
|
|
|
568 #ifdef MAIL_USE_POP
|
|
|
569
|
|
118
|
570 #ifndef WINDOWSNT
|
|
0
|
571 #include <sys/socket.h>
|
|
|
572 #include <netinet/in.h>
|
|
|
573 #include <netdb.h>
|
|
118
|
574 #else
|
|
|
575 #undef _WINSOCKAPI_
|
|
|
576 #include <winsock.h>
|
|
|
577 #endif
|
|
0
|
578 #include <stdio.h>
|
|
|
579 #include <pwd.h>
|
|
|
580
|
|
377
|
581 #define POP_ERROR (-1)
|
|
|
582 #define POP_RETRIEVED (0)
|
|
|
583 #define POP_DONE (1)
|
|
0
|
584
|
|
|
585 char *progname;
|
|
|
586 FILE *sfi;
|
|
|
587 FILE *sfo;
|
|
118
|
588 char ibuffer[BUFSIZ];
|
|
|
589 char obuffer[BUFSIZ];
|
|
0
|
590 char Errmsg[80];
|
|
|
591
|
|
173
|
592 static int
|
|
|
593 popmail (char *user, char *outfile, char *password)
|
|
0
|
594 {
|
|
|
595 int nmsgs, nbytes;
|
|
377
|
596 register int i, idx;
|
|
0
|
597 int mbfi;
|
|
377
|
598 short* retrieved_list;
|
|
0
|
599 FILE *mbf;
|
|
118
|
600 popserver server;
|
|
0
|
601
|
|
377
|
602 VERBOSE(("opening server\r"));
|
|
118
|
603 server = pop_open (0, user, password, POP_NO_GETPASS);
|
|
|
604 if (! server)
|
|
0
|
605 {
|
|
173
|
606 error (pop_error, NULL, NULL);
|
|
118
|
607 return (1);
|
|
0
|
608 }
|
|
|
609
|
|
377
|
610 VERBOSE(("stat'ing messages\r"));
|
|
118
|
611 if (pop_stat (server, &nmsgs, &nbytes))
|
|
0
|
612 {
|
|
173
|
613 error (pop_error, NULL, NULL);
|
|
118
|
614 return (1);
|
|
0
|
615 }
|
|
|
616
|
|
|
617 if (!nmsgs)
|
|
118
|
618 {
|
|
377
|
619 VERBOSE(("closing server\n"));
|
|
118
|
620 pop_close (server);
|
|
|
621 return (0);
|
|
|
622 }
|
|
0
|
623
|
|
377
|
624 /* build a retrieved table */
|
|
|
625 retrieved_list = (short*) xmalloc (sizeof (short) * (nmsgs+1));
|
|
|
626 memset (retrieved_list, 0, sizeof (short) * (nmsgs+1));
|
|
|
627
|
|
0
|
628 mbfi = open (outfile, O_WRONLY | O_CREAT | O_EXCL, 0666);
|
|
|
629 if (mbfi < 0)
|
|
118
|
630 {
|
|
|
631 pop_close (server);
|
|
|
632 error ("Error in open: %s, %s", strerror (errno), outfile);
|
|
|
633 return (1);
|
|
|
634 }
|
|
259
|
635 #ifndef __CYGWIN32__
|
|
0
|
636 fchown (mbfi, getuid (), -1);
|
|
259
|
637 #endif
|
|
0
|
638
|
|
118
|
639 if ((mbf = fdopen (mbfi, "wb")) == NULL)
|
|
0
|
640 {
|
|
118
|
641 pop_close (server);
|
|
173
|
642 error ("Error in fdopen: %s", strerror (errno), NULL);
|
|
118
|
643 close (mbfi);
|
|
|
644 unlink (outfile);
|
|
|
645 return (1);
|
|
0
|
646 }
|
|
|
647
|
|
377
|
648 for (idx = 0; idx < nmsgs; idx++)
|
|
0
|
649 {
|
|
377
|
650 i = reverse ? nmsgs - idx : idx + 1;
|
|
|
651 VERBOSE(("checking message %d \r", i));
|
|
|
652
|
|
|
653 if (!regexp_pattern
|
|
|
654 ||
|
|
|
655 pop_search_top (server, i, match_lines, regexp_pattern) == POP_RETRIEVED)
|
|
118
|
656 {
|
|
377
|
657 VERBOSE(("retrieving message %d \r", i));
|
|
|
658 mbx_delimit_begin (mbf);
|
|
|
659 if (pop_retr (server, i, mbx_write, mbf) != POP_RETRIEVED)
|
|
|
660 {
|
|
|
661 error (Errmsg, NULL, NULL);
|
|
|
662 close (mbfi);
|
|
|
663 return (1);
|
|
|
664 }
|
|
|
665
|
|
|
666 retrieved_list[i]=1;
|
|
|
667
|
|
|
668 mbx_delimit_end (mbf);
|
|
|
669 fflush (mbf);
|
|
|
670 if (ferror (mbf))
|
|
|
671 {
|
|
|
672 error ("Error in fflush: %s", strerror (errno), NULL);
|
|
|
673 pop_close (server);
|
|
|
674 close (mbfi);
|
|
|
675 return (1);
|
|
|
676 }
|
|
118
|
677 }
|
|
0
|
678 }
|
|
|
679
|
|
118
|
680 /* On AFS, a call to write only modifies the file in the local
|
|
|
681 * workstation's AFS cache. The changes are not written to the server
|
|
|
682 * until a call to fsync or close is made. Users with AFS home
|
|
|
683 * directories have lost mail when over quota because these checks were
|
|
|
684 * not made in previous versions of movemail. */
|
|
|
685
|
|
|
686 #ifdef BSD
|
|
0
|
687 if (fsync (mbfi) < 0)
|
|
|
688 {
|
|
173
|
689 error ("Error in fsync: %s", strerror (errno), NULL);
|
|
118
|
690 return (1);
|
|
0
|
691 }
|
|
118
|
692 #endif
|
|
0
|
693
|
|
|
694 if (close (mbfi) == -1)
|
|
|
695 {
|
|
173
|
696 error ("Error in close: %s", strerror (errno), NULL);
|
|
118
|
697 return (1);
|
|
0
|
698 }
|
|
|
699
|
|
377
|
700 if (!keep_messages)
|
|
0
|
701 {
|
|
377
|
702 for (i = 1; i <= nmsgs; i++)
|
|
118
|
703 {
|
|
377
|
704 if (retrieved_list[i] == 1)
|
|
|
705 {
|
|
|
706 VERBOSE(("deleting message %d \r", i));
|
|
|
707 if (pop_delete (server, i))
|
|
|
708 {
|
|
|
709 error (pop_error, NULL, NULL);
|
|
|
710 pop_close (server);
|
|
|
711 return (1);
|
|
|
712 }
|
|
|
713 }
|
|
118
|
714 }
|
|
0
|
715 }
|
|
|
716
|
|
377
|
717 VERBOSE(("closing server \n"));
|
|
118
|
718 if (pop_quit (server))
|
|
|
719 {
|
|
173
|
720 error (pop_error, NULL, NULL);
|
|
118
|
721 return (1);
|
|
|
722 }
|
|
|
723
|
|
0
|
724 return (0);
|
|
|
725 }
|
|
|
726
|
|
173
|
727 static int
|
|
213
|
728 pop_retr (popserver server, int msgno, int (*action)(), void *arg)
|
|
0
|
729 {
|
|
118
|
730 char *line;
|
|
|
731 int ret;
|
|
70
|
732
|
|
118
|
733 if (pop_retrieve_first (server, msgno, &line))
|
|
70
|
734 {
|
|
118
|
735 strncpy (Errmsg, pop_error, sizeof (Errmsg));
|
|
|
736 Errmsg[sizeof (Errmsg)-1] = '\0';
|
|
377
|
737 return (POP_ERROR);
|
|
0
|
738 }
|
|
48
|
739
|
|
118
|
740 while (! (ret = pop_retrieve_next (server, &line)))
|
|
70
|
741 {
|
|
118
|
742 if (! line)
|
|
|
743 break;
|
|
0
|
744
|
|
377
|
745 if ((*action)(line, arg) != POP_RETRIEVED)
|
|
118
|
746 {
|
|
|
747 strcpy (Errmsg, strerror (errno));
|
|
|
748 pop_close (server);
|
|
377
|
749 return (POP_ERROR);
|
|
118
|
750 }
|
|
48
|
751 }
|
|
70
|
752
|
|
118
|
753 if (ret)
|
|
70
|
754 {
|
|
118
|
755 strncpy (Errmsg, pop_error, sizeof (Errmsg));
|
|
|
756 Errmsg[sizeof (Errmsg)-1] = '\0';
|
|
377
|
757 return (POP_ERROR);
|
|
|
758 }
|
|
|
759
|
|
|
760 return (POP_RETRIEVED);
|
|
|
761 }
|
|
|
762
|
|
|
763 /* search the top lines of each message looking for a match */
|
|
|
764 static int
|
|
|
765 pop_search_top (popserver server, int msgno, int lines, struct re_pattern_buffer* regexp)
|
|
|
766 {
|
|
|
767 char *line;
|
|
|
768 int ret;
|
|
|
769 int match = POP_DONE;
|
|
|
770
|
|
|
771 if (pop_top_first (server, msgno, lines, &line))
|
|
|
772 {
|
|
|
773 strncpy (Errmsg, pop_error, sizeof (Errmsg));
|
|
|
774 Errmsg[sizeof (Errmsg)-1] = '\0';
|
|
|
775 return (POP_ERROR);
|
|
70
|
776 }
|
|
118
|
777
|
|
377
|
778 while (! (ret = pop_top_next (server, &line)))
|
|
|
779 {
|
|
|
780 if (! line)
|
|
|
781 break;
|
|
|
782
|
|
|
783 /* VERBOSE (("checking %s\n", line));*/
|
|
|
784 if (match != POP_RETRIEVED)
|
|
|
785 {
|
|
|
786 if ((ret = re_match (regexp, line, strlen (line), 0, 0)) == -2 )
|
|
|
787 {
|
|
|
788 strcpy (Errmsg, "error in regular expression");
|
|
|
789 pop_close (server);
|
|
|
790 return (POP_ERROR);
|
|
|
791 }
|
|
|
792 else if (ret >=0)
|
|
|
793 {
|
|
|
794 match = POP_RETRIEVED;
|
|
|
795 }
|
|
|
796 }
|
|
|
797 }
|
|
|
798
|
|
|
799 if (ret)
|
|
|
800 {
|
|
|
801 strncpy (Errmsg, pop_error, sizeof (Errmsg));
|
|
|
802 Errmsg[sizeof (Errmsg)-1] = '\0';
|
|
|
803 return (POP_ERROR);
|
|
|
804 }
|
|
|
805
|
|
|
806 return match;
|
|
0
|
807 }
|
|
|
808
|
|
118
|
809 /* Do this as a macro instead of using strcmp to save on execution time. */
|
|
|
810 #define IS_FROM_LINE(a) ((a[0] == 'F') \
|
|
|
811 && (a[1] == 'r') \
|
|
|
812 && (a[2] == 'o') \
|
|
|
813 && (a[3] == 'm') \
|
|
|
814 && (a[4] == ' '))
|
|
0
|
815
|
|
173
|
816 static int
|
|
|
817 mbx_write (char *line, FILE *mbf)
|
|
70
|
818 {
|
|
118
|
819 if (IS_FROM_LINE (line))
|
|
|
820 {
|
|
|
821 if (fputc ('>', mbf) == EOF)
|
|
377
|
822 return (POP_ERROR);
|
|
118
|
823 }
|
|
|
824 if (fputs (line, mbf) == EOF)
|
|
377
|
825 return (POP_ERROR);
|
|
118
|
826 if (fputc (0x0a, mbf) == EOF)
|
|
377
|
827 return (POP_ERROR);
|
|
|
828 return (POP_RETRIEVED);
|
|
70
|
829 }
|
|
|
830
|
|
173
|
831 static int
|
|
|
832 mbx_delimit_begin (FILE *mbf)
|
|
70
|
833 {
|
|
118
|
834 if (fputs ("\f\n0, unseen,,\n", mbf) == EOF)
|
|
377
|
835 return (POP_ERROR);
|
|
|
836 return (POP_RETRIEVED);
|
|
70
|
837 }
|
|
|
838
|
|
173
|
839 static int
|
|
|
840 mbx_delimit_end (FILE *mbf)
|
|
70
|
841 {
|
|
118
|
842 if (putc ('\037', mbf) == EOF)
|
|
377
|
843 return (POP_ERROR);
|
|
|
844 return (POP_RETRIEVED);
|
|
0
|
845 }
|
|
|
846
|
|
377
|
847 /* Turn a name, which is an ed-style (but Emacs syntax) regular
|
|
|
848 expression, into a real regular expression by compiling it. */
|
|
|
849 static struct re_pattern_buffer*
|
|
|
850 compile_regex (char* regexp_pattern)
|
|
|
851 {
|
|
|
852 char *err;
|
|
|
853 struct re_pattern_buffer *patbuf=0;
|
|
|
854
|
|
|
855 patbuf = (struct re_pattern_buffer*) xmalloc (sizeof (struct re_pattern_buffer));
|
|
|
856 patbuf->translate = NULL;
|
|
|
857 patbuf->fastmap = NULL;
|
|
|
858 patbuf->buffer = NULL;
|
|
|
859 patbuf->allocated = 0;
|
|
|
860
|
|
|
861 err = (char*) re_compile_pattern (regexp_pattern, strlen (regexp_pattern), patbuf);
|
|
|
862 if (err != NULL)
|
|
|
863 {
|
|
|
864 error ("%s while compiling pattern", err, NULL);
|
|
|
865 return 0;
|
|
|
866 }
|
|
|
867
|
|
|
868 return patbuf;
|
|
|
869 }
|
|
|
870
|
|
|
871
|
|
|
872
|
|
0
|
873 #endif /* MAIL_USE_POP */
|
|
|
874
|
|
|
875 #ifndef HAVE_STRERROR
|
|
371
|
876 static char *
|
|
173
|
877 strerror (int errnum)
|
|
0
|
878 {
|
|
|
879 extern char *sys_errlist[];
|
|
|
880 extern int sys_nerr;
|
|
|
881
|
|
|
882 if (errnum >= 0 && errnum < sys_nerr)
|
|
|
883 return sys_errlist[errnum];
|
|
|
884 return (char *) "Unknown error";
|
|
|
885 }
|
|
|
886
|
|
|
887 #endif /* ! HAVE_STRERROR */
|
