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1 /* ========================================================================
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2 * Copyright 1988-2008 University of Washington
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3 *
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4 * Licensed under the Apache License, Version 2.0 (the "License");
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5 * you may not use this file except in compliance with the License.
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6 * You may obtain a copy of the License at
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7 *
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8 * http://www.apache.org/licenses/LICENSE-2.0
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9 *
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10 *
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11 * ========================================================================
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12 */
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13
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14 /*
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15 * Program: IPOP3D - IMAP to POP3 conversion server
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16 *
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17 * Author: Mark Crispin
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18 * UW Technology
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19 * University of Washington
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20 * Seattle, WA 98195
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21 * Internet: MRC@Washington.EDU
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22 *
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23 * Date: 1 November 1990
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24 * Last Edited: 19 February 2008
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25 */
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26
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27 /* Parameter files */
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28
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29 #include <stdio.h>
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30 #include <ctype.h>
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31 #include <errno.h>
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32 extern int errno; /* just in case */
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33 #include <signal.h>
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34 #include <time.h>
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35 #include "c-client.h"
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36
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37
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38 #define CRLF PSOUT ("\015\012") /* primary output terpri */
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39
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40
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41 /* Autologout timer */
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42 #define KODTIMEOUT 60*5
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43 #define LOGINTIMEOUT 60*3
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44 #define TIMEOUT 60*10
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45
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46
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47 /* Server states */
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48
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49 #define AUTHORIZATION 0
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50 #define TRANSACTION 1
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51 #define UPDATE 2
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52 #define LOGOUT 3
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53
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54 /* Eudora food */
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55
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56 #define STATUS "Status: %s%s\015\012"
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57 #define SLEN (sizeof (STATUS)-3)
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58
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59
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60 /* Global storage */
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61
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62 char *version = "104"; /* edit number of this server */
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63 short state = AUTHORIZATION; /* server state */
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64 short critical = NIL; /* non-zero if in critical code */
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65 MAILSTREAM *stream = NIL; /* mailbox stream */
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66 time_t idletime = 0; /* time we went idle */
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67 unsigned long nmsgs = 0; /* current number of messages */
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68 unsigned long ndele = 0; /* number of deletes */
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69 unsigned long nseen = 0; /* number of mark-seens */
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70 unsigned long last = 0; /* highest message accessed */
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71 unsigned long il = 0; /* initial last message */
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72 char challenge[128]; /* challenge */
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73 char *host = NIL; /* remote host name */
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74 char *user = NIL; /* user name */
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75 char *pass = NIL; /* password */
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76 char *initial = NIL; /* initial response */
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77 long *msg = NIL; /* message translation vector */
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78 short *flags = NIL; /* flags */
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79 char *logout = "Logout";
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80 char *goodbye = "+OK Sayonara\015\012";
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81
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82
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83 /* POP3 flags */
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84
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85 #define DELE 0x1
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86 #define SEEN 0x2
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87
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88
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89 /* Function prototypes */
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90
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91 int main (int argc,char *argv[]);
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92 void sayonara (int status);
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93 void clkint ();
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94 void kodint ();
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95 void hupint ();
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96 void trmint ();
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97 int pass_login (char *t,int argc,char *argv[]);
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98 char *apop_login (char *chal,char *user,char *md5,int argc,char *argv[]);
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1
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99 #ifdef QMAIL
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100 char* conv_virtualdomain(char *account);
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101 #endif
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0
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102 char *responder (void *challenge,unsigned long clen,unsigned long *rlen);
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103 int mbxopen (char *mailbox);
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104 long blat (char *text,long lines,unsigned long size,STRING *st);
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105 void rset ();
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106
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107 /* Main program */
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108
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109 int main (int argc,char *argv[])
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110 {
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111 unsigned long i,j,k;
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112 char *s,*t;
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113 char tmp[MAILTMPLEN];
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114 time_t autologouttime;
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115 char *pgmname = (argc && argv[0]) ?
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116 (((s = strrchr (argv[0],'/')) || (s = strrchr (argv[0],'\\'))) ?
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117 s+1 : argv[0]) : "ipop3d";
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118 /* set service name before linkage */
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119 mail_parameters (NIL,SET_SERVICENAME,(void *) "pop");
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120 #include "linkage.c"
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121 /* initialize server */
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122 server_init (pgmname,"pop3","pop3s",clkint,kodint,hupint,trmint,NIL);
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123 mail_parameters (NIL,SET_BLOCKENVINIT,VOIDT);
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124 s = myusername_full (&i); /* get user name and flags */
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125 mail_parameters (NIL,SET_BLOCKENVINIT,NIL);
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126 if (i == MU_LOGGEDIN) { /* allow EXTERNAL if logged in already */
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127 mail_parameters (NIL,UNHIDE_AUTHENTICATOR,(void *) "EXTERNAL");
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128 mail_parameters (NIL,SET_EXTERNALAUTHID,(void *) s);
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129 }
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130 { /* set up MD5 challenge */
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131 AUTHENTICATOR *auth = mail_lookup_auth (1);
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132 while (auth && compare_cstring (auth->name,"CRAM-MD5")) auth = auth->next;
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133 /* build challenge -- less than 128 chars */
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1
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134 #ifndef QMAIL
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135 if (!(auth->flags & AU_DISABLE))
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136 #else
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0
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137 if (auth && auth->server && !(auth->flags & AU_DISABLE))
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1
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138 #endif
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0
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139 sprintf (challenge,"<%lx.%lx@%.64s>",(unsigned long) getpid (),
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140 (unsigned long) time (0),tcp_serverhost ());
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141 else challenge[0] = '\0'; /* no MD5 authentication */
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142 }
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143 /* There are reports of POP3 clients which get upset if anything appears
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144 * between the "+OK" and the "POP3" in the greeting.
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145 */
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146 PSOUT ("+OK POP3 ");
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147 if (!challenge[0]) { /* if no MD5 enable, output host name */
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148 PSOUT (tcp_serverhost ());
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149 PBOUT (' ');
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150 }
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151 PSOUT (CCLIENTVERSION);
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152 PBOUT ('.');
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153 PSOUT (version);
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154 PSOUT (" server ready");
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155 if (challenge[0]) { /* if MD5 enable, output challenge here */
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156 PBOUT (' ');
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157 PSOUT (challenge);
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158 }
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159 CRLF;
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160 PFLUSH (); /* dump output buffer */
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161 autologouttime = time (0) + LOGINTIMEOUT;
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162 /* command processing loop */
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163 while ((state != UPDATE) && (state != LOGOUT)) {
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164 idletime = time (0); /* get a command under timeout */
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165 alarm ((state == TRANSACTION) ? TIMEOUT : LOGINTIMEOUT);
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166 clearerr (stdin); /* clear stdin errors */
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167 /* read command line */
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168 while (!PSIN (tmp,MAILTMPLEN)) {
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169 /* ignore if some interrupt */
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170 if (ferror (stdin) && (errno == EINTR)) clearerr (stdin);
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171 else {
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172 char *e = ferror (stdin) ?
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173 strerror (errno) : "Unexpected client disconnect";
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174 alarm (0); /* disable all interrupts */
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175 server_init (NIL,NIL,NIL,SIG_IGN,SIG_IGN,SIG_IGN,SIG_IGN,SIG_IGN);
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176 sprintf (logout = tmp,"%.80s, while reading line",e);
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177 goodbye = NIL;
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178 rset (); /* try to gracefully close the stream */
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179 if (state == TRANSACTION) mail_close (stream);
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180 stream = NIL;
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181 state = LOGOUT;
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182 sayonara (1);
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183 }
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184 }
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185 alarm (0); /* make sure timeout disabled */
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186 idletime = 0; /* no longer idle */
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187
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188 if (!strchr (tmp,'\012')) /* find end of line */
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189 PSOUT ("-ERR Command line too long\015\012");
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190 else if (!(s = strtok (tmp," \015\012")))
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191 PSOUT ("-ERR Null command\015\012");
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192 else { /* dispatch based on command */
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193 ucase (s); /* canonicalize case */
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194 /* snarf argument */
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195 t = strtok (NIL,"\015\012");
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196 /* QUIT command always valid */
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197 if (!strcmp (s,"QUIT")) state = UPDATE;
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198 else if (!strcmp (s,"CAPA")) {
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199 AUTHENTICATOR *auth;
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200 PSOUT ("+OK Capability list follows:\015\012");
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201 PSOUT ("TOP\015\012LOGIN-DELAY 180\015\012UIDL\015\012");
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202 if (s = ssl_start_tls (NIL)) fs_give ((void **) &s);
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203 else PSOUT ("STLS\015\012");
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204 if (i = !mail_parameters (NIL,GET_DISABLEPLAINTEXT,NIL))
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205 PSOUT ("USER\015\012");
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206 /* display secure server authenticators */
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207 for (auth = mail_lookup_auth (1), s = "SASL"; auth; auth = auth->next)
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208 if (auth->server && !(auth->flags & AU_DISABLE) &&
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209 !(auth->flags & AU_HIDE) && (i || (auth->flags & AU_SECURE))) {
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210 if (s) {
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211 PSOUT (s);
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212 s = NIL;
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213 }
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214 PBOUT (' ');
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215 PSOUT (auth->name);
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216 }
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217 PSOUT (s ? ".\015\012" : "\015\012.\015\012");
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218 }
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219
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220 else switch (state) { /* else dispatch based on state */
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221 case AUTHORIZATION: /* waiting to get logged in */
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222 if (!strcmp (s,"AUTH")) {
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223 if (t && *t) { /* mechanism given? */
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224 if (host) fs_give ((void **) &host);
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225 if (user) fs_give ((void **) &user);
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226 if (pass) fs_give ((void **) &pass);
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227 s = strtok (t," "); /* get mechanism name */
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228 /* get initial response */
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229 if (initial = strtok (NIL,"\015\012")) {
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230 if ((*initial == '=') && !initial[1]) ++initial;
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231 else if (!*initial) initial = NIL;
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232 }
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233 if (!(user = cpystr (mail_auth (s,responder,argc,argv)))) {
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234 PSOUT ("-ERR Bad authentication\015\012");
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235 syslog (LOG_INFO,"AUTHENTICATE %s failure host=%.80s",s,
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236 tcp_clienthost ());
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237 }
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238 else if ((state = mbxopen ("INBOX")) == TRANSACTION)
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239 syslog (LOG_INFO,"Auth user=%.80s host=%.80s nmsgs=%lu/%lu",
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240 user,tcp_clienthost (),nmsgs,stream->nmsgs);
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241 else syslog (LOG_INFO,"Auth user=%.80s host=%.80s no mailbox",
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242 user,tcp_clienthost ());
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243 }
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244 else {
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245 AUTHENTICATOR *auth;
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246 PSOUT ("+OK Supported authentication mechanisms:\015\012");
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247 i = !mail_parameters (NIL,GET_DISABLEPLAINTEXT,NIL);
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248 for (auth = mail_lookup_auth (1); auth; auth = auth->next)
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249 if (auth->server && !(auth->flags & AU_DISABLE) &&
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250 !(auth->flags & AU_HIDE) &&
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251 (i || (auth->flags & AU_SECURE))) {
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252 PSOUT (auth->name);
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253 CRLF;
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254 }
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255 PBOUT ('.');
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256 CRLF;
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257 }
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258 }
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259
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260 else if (!strcmp (s,"APOP")) {
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261 if (challenge[0]) { /* can do it if have an MD5 challenge */
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262 if (host) fs_give ((void **) &host);
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263 if (user) fs_give ((void **) &user);
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264 if (pass) fs_give ((void **) &pass);
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265 /* get user name */
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266 if (!(t && *t && (s = strtok (t," ")) && (t = strtok(NIL,"\012"))))
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267 PSOUT ("-ERR Missing APOP argument\015\012");
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1
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268 #ifdef QMAIL
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269 else if (!(user = apop_login (challenge,conv_virtualdomain(s),t,argc,argv))) {
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270 #else /* !QMAIL */
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271 else if (!(user = apop_login (challenge,s,t,argc,argv))) {
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272 #endif /* QMAIL */
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273 PSOUT ("-ERR Bad APOP (Maybe your password is expired)\015\012");
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274 user = cpystr (s);
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275 syslog (LOG_INFO,"APOP login failure user=%.80s host=%.80s",
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276 user,tcp_clienthost ());
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277 } else if ((state = mbxopen ("INBOX")) == TRANSACTION)
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278 syslog (LOG_INFO,"APOP user=%.80s host=%.80s nmsgs=%ld/%ld",
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0
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279 user,tcp_clienthost (),nmsgs,stream->nmsgs);
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280 else syslog (LOG_INFO,"APOP user=%.80s host=%.80s no mailbox",
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281 user,tcp_clienthost ());
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282 }
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283 else PSOUT ("-ERR Not supported\015\012");
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284 }
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285 /* (chuckle) */
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286 else if (!strcmp (s,"RPOP"))
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287 PSOUT ("-ERR Nice try, bunkie\015\012");
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288 else if (!strcmp (s,"STLS")) {
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289 if (t = ssl_start_tls (pgmname)) {
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290 PSOUT ("-ERR STLS failed: ");
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291 PSOUT (t);
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292 CRLF;
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293 }
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294 else PSOUT ("+OK STLS completed\015\012");
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295 }
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1
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296 #ifndef RESTRICT_POP
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0
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297 else if (!mail_parameters (NIL,GET_DISABLEPLAINTEXT,NIL) &&
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298 !strcmp (s,"USER")) {
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1
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299 #else /* !RESTRICT_POP */
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300 else if (!strcmp (s,"USER")) {
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301 if (getenv("INTRANET") == NIL) {
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302 PSOUT("-ERR Sorry, we don't allow POP3 from your network. Use APOP instead.\015\012");
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303 user = cpystr(t);
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304 syslog (LOG_INFO,"Plain POP3 is restricted user=%.80s host=%.80s",
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305 user,tcp_clienthost ());
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306 memset(user, '\0', strlen(user));
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307 break;
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308 }
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309 #endif
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0
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310 if (host) fs_give ((void **) &host);
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311 if (user) fs_give ((void **) &user);
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312 if (pass) fs_give ((void **) &pass);
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313 if (t && *t) { /* if user name given */
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314 /* skip leading whitespace (bogus clients!) */
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315 while (*t == ' ') ++t;
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316 /* remote user name? */
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317 if (s = strchr (t,':')) {
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318 *s++ = '\0'; /* tie off host name */
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319 host = cpystr (t);/* copy host name */
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320 user = cpystr (s);/* copy user name */
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321 }
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322 /* local user name */
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1
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323 #ifdef QMAIL
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324 else user = conv_virtualdomain(cpystr (t));
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325 #else
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0
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326 else user = cpystr (t);
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1
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327 #endif
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0
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328 PSOUT ("+OK User name accepted, password please\015\012");
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329 }
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330 else PSOUT ("-ERR Missing username argument\015\012");
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331 }
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332 else if (!mail_parameters (NIL,GET_DISABLEPLAINTEXT,NIL) &&
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333 user && *user && !strcmp (s,"PASS"))
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334 state = pass_login (t,argc,argv);
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335 else PSOUT ("-ERR Unknown AUTHORIZATION state command\015\012");
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336 break;
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337
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338 case TRANSACTION: /* logged in */
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339 if (!strcmp (s,"STAT")) {
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340 for (i = 1,j = 0,k = 0; i <= nmsgs; i++)
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341 /* message still exists? */
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342 if (msg[i] && !(flags[i] & DELE)) {
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343 j++; /* count one more undeleted message */
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344 k += mail_elt (stream,msg[i])->rfc822_size + SLEN;
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345 }
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346 sprintf (tmp,"+OK %lu %lu\015\012",j,k);
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347 PSOUT (tmp);
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348 }
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349 else if (!strcmp (s,"LIST")) {
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350 if (t && *t) { /* argument do single message */
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351 if ((i = strtoul (t,NIL,10)) && (i <= nmsgs) && msg[i] &&
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352 !(flags[i] & DELE)) {
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353 sprintf (tmp,"+OK %lu %lu\015\012",i,
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354 mail_elt(stream,msg[i])->rfc822_size + SLEN);
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355 PSOUT (tmp);
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356 }
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357 else PSOUT ("-ERR No such message\015\012");
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358 }
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359 else { /* entire mailbox */
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360 PSOUT ("+OK Mailbox scan listing follows\015\012");
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361 for (i = 1,j = 0,k = 0; i <= nmsgs; i++)
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362 if (msg[i] && !(flags[i] & DELE)) {
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363 sprintf (tmp,"%lu %lu\015\012",i,
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364 mail_elt (stream,msg[i])->rfc822_size + SLEN);
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365 PSOUT (tmp);
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366 }
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367 PBOUT ('.'); /* end of list */
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368 CRLF;
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369 }
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370 }
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371 else if (!strcmp (s,"UIDL")) {
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372 if (t && *t) { /* argument do single message */
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|
|
373 if ((i = strtoul (t,NIL,10)) && (i <= nmsgs) && msg[i] &&
|
|
|
374 !(flags[i] & DELE)) {
|
|
|
375 sprintf (tmp,"+OK %lu %08lx%08lx\015\012",i,stream->uid_validity,
|
|
|
376 mail_uid (stream,msg[i]));
|
|
|
377 PSOUT (tmp);
|
|
|
378 }
|
|
|
379 else PSOUT ("-ERR No such message\015\012");
|
|
|
380 }
|
|
|
381 else { /* entire mailbox */
|
|
|
382 PSOUT ("+OK Unique-ID listing follows\015\012");
|
|
|
383 for (i = 1,j = 0,k = 0; i <= nmsgs; i++)
|
|
|
384 if (msg[i] && !(flags[i] & DELE)) {
|
|
|
385 sprintf (tmp,"%lu %08lx%08lx\015\012",i,stream->uid_validity,
|
|
|
386 mail_uid (stream,msg[i]));
|
|
|
387 PSOUT (tmp);
|
|
|
388 }
|
|
|
389 PBOUT ('.'); /* end of list */
|
|
|
390 CRLF;
|
|
|
391 }
|
|
|
392 }
|
|
|
393
|
|
|
394 else if (!strcmp (s,"RETR")) {
|
|
|
395 if (t && *t) { /* must have an argument */
|
|
|
396 if ((i = strtoul (t,NIL,10)) && (i <= nmsgs) && msg[i] &&
|
|
|
397 !(flags[i] & DELE)) {
|
|
|
398 MESSAGECACHE *elt;
|
|
|
399 /* update highest message accessed */
|
|
|
400 if (i > last) last = i;
|
|
|
401 sprintf (tmp,"+OK %lu octets\015\012",
|
|
|
402 (elt = mail_elt (stream,msg[i]))->rfc822_size + SLEN);
|
|
|
403 PSOUT (tmp);
|
|
|
404 /* if not marked seen or noted to be marked */
|
|
|
405 if (!(elt->seen || (flags[i] & SEEN))) {
|
|
|
406 ++nseen; /* note that we need to mark it seen */
|
|
|
407 flags[i] |= SEEN;
|
|
|
408 }
|
|
|
409 /* get header */
|
|
|
410 t = mail_fetch_header (stream,msg[i],NIL,NIL,&k,FT_PEEK);
|
|
|
411 blat (t,-1,k,NIL);/* write up to trailing CRLF */
|
|
|
412 /* build status */
|
|
|
413 sprintf (tmp,STATUS,elt->seen ? "R" : " ",
|
|
|
414 elt->recent ? " " : "O");
|
|
|
415 if (k < 4) CRLF; /* don't write Status: if no header */
|
|
|
416 /* normal header ending with CRLF CRLF? */
|
|
|
417 else if (t[k-3] == '\012') {
|
|
|
418 PSOUT (tmp); /* write status */
|
|
|
419 CRLF; /* then write second CRLF */
|
|
|
420 }
|
|
|
421 else { /* abnormal - no blank line at end of header */
|
|
|
422 CRLF; /* write CRLF first then */
|
|
|
423 PSOUT (tmp);
|
|
|
424 }
|
|
|
425 /* output text */
|
|
|
426 t = mail_fetch_text (stream,msg[i],NIL,&k,
|
|
|
427 FT_RETURNSTRINGSTRUCT | FT_PEEK);
|
|
|
428 if (k) { /* only if there is a text body */
|
|
|
429 blat (t,-1,k,&stream->private.string);
|
|
|
430 CRLF; /* end of list */
|
|
|
431 }
|
|
|
432 PBOUT ('.');
|
|
|
433 CRLF;
|
|
|
434 }
|
|
|
435 else PSOUT ("-ERR No such message\015\012");
|
|
|
436 }
|
|
|
437 else PSOUT ("-ERR Missing message number argument\015\012");
|
|
|
438 }
|
|
|
439
|
|
|
440 else if (!strcmp (s,"DELE")) {
|
|
|
441 if (t && *t) { /* must have an argument */
|
|
|
442 if ((i = strtoul (t,NIL,10)) && (i <= nmsgs) && msg[i] &&
|
|
|
443 !(flags[i] & DELE)) {
|
|
|
444 /* update highest message accessed */
|
|
|
445 if (i > last) last = i;
|
|
|
446 flags[i] |= DELE; /* note that deletion is requested */
|
|
|
447 PSOUT ("+OK Message deleted\015\012");
|
|
|
448 ++ndele; /* one more message deleted */
|
|
|
449 }
|
|
|
450 else PSOUT ("-ERR No such message\015\012");
|
|
|
451 }
|
|
|
452 else PSOUT ("-ERR Missing message number argument\015\012");
|
|
|
453 }
|
|
|
454 else if (!strcmp (s,"NOOP"))
|
|
|
455 PSOUT ("+OK No-op to you too!\015\012");
|
|
|
456 else if (!strcmp (s,"LAST")) {
|
|
|
457 sprintf (tmp,"+OK %lu\015\012",last);
|
|
|
458 PSOUT (tmp);
|
|
|
459 }
|
|
|
460 else if (!strcmp (s,"RSET")) {
|
|
|
461 rset (); /* reset the mailbox */
|
|
|
462 PSOUT ("+OK Reset state\015\012");
|
|
|
463 }
|
|
|
464
|
|
|
465 else if (!strcmp (s,"TOP")) {
|
|
|
466 if (t && *t && (i =strtoul (t,&s,10)) && (i <= nmsgs) && msg[i] &&
|
|
|
467 !(flags[i] & DELE)) {
|
|
|
468 /* skip whitespace */
|
|
|
469 while (*s == ' ') s++;
|
|
|
470 /* make sure line count argument good */
|
|
|
471 if ((*s >= '0') && (*s <= '9')) {
|
|
|
472 MESSAGECACHE *elt = mail_elt (stream,msg[i]);
|
|
|
473 j = strtoul (s,NIL,10);
|
|
|
474 /* update highest message accessed */
|
|
|
475 if (i > last) last = i;
|
|
|
476 PSOUT ("+OK Top of message follows\015\012");
|
|
|
477 /* get header */
|
|
|
478 t = mail_fetch_header (stream,msg[i],NIL,NIL,&k,FT_PEEK);
|
|
|
479 blat (t,-1,k,NIL);/* write up to trailing CRLF */
|
|
|
480 /* build status */
|
|
|
481 sprintf (tmp,STATUS,elt->seen ? "R" : " ",
|
|
|
482 elt->recent ? " " : "O");
|
|
|
483 if (k < 4) CRLF; /* don't write Status: if no header */
|
|
|
484 /* normal header ending with CRLF CRLF? */
|
|
|
485 else if (t[k-3] == '\012') {
|
|
|
486 PSOUT (tmp); /* write status */
|
|
|
487 CRLF; /* then write second CRLF */
|
|
|
488 }
|
|
|
489 else { /* abnormal - no blank line at end of header */
|
|
|
490 CRLF; /* write CRLF first then */
|
|
|
491 PSOUT (tmp);
|
|
|
492 }
|
|
|
493 if (j) { /* want any text lines? */
|
|
|
494 /* output text */
|
|
|
495 t = mail_fetch_text (stream,msg[i],NIL,&k,
|
|
|
496 FT_PEEK | FT_RETURNSTRINGSTRUCT);
|
|
|
497 /* tie off final line if full text output */
|
|
|
498 if (k && (j -= blat (t,j,k,&stream->private.string))) CRLF;
|
|
|
499 }
|
|
|
500 PBOUT ('.'); /* end of list */
|
|
|
501 CRLF;
|
|
|
502 }
|
|
|
503 else PSOUT ("-ERR Bad line count argument\015\012");
|
|
|
504 }
|
|
|
505 else PSOUT ("-ERR Bad message number argument\015\012");
|
|
|
506 }
|
|
|
507
|
|
|
508 else if (!strcmp (s,"XTND"))
|
|
|
509 PSOUT ("-ERR Sorry I can't do that\015\012");
|
|
|
510 else PSOUT ("-ERR Unknown TRANSACTION state command\015\012");
|
|
|
511 break;
|
|
|
512 default:
|
|
|
513 PSOUT ("-ERR Server in unknown state\015\012");
|
|
|
514 break;
|
|
|
515 }
|
|
|
516 }
|
|
|
517 PFLUSH (); /* make sure output finished */
|
|
|
518 if (autologouttime) { /* have an autologout in effect? */
|
|
|
519 /* cancel if no longer waiting for login */
|
|
|
520 if (state != AUTHORIZATION) autologouttime = 0;
|
|
|
521 /* took too long to login */
|
|
|
522 else if (autologouttime < time (0)) {
|
|
|
523 goodbye = "-ERR Autologout\015\012";
|
|
|
524 logout = "Autologout";
|
|
|
525 state = LOGOUT; /* sayonara */
|
|
|
526 }
|
|
|
527 }
|
|
|
528 }
|
|
|
529
|
|
|
530 /* open and need to update? */
|
|
|
531 if (stream && (state == UPDATE)) {
|
|
|
532 if (nseen) { /* only bother if messages need marking seen */
|
|
|
533 *(s = tmp) = '\0'; /* clear sequence */
|
|
|
534 for (i = 1; i <= nmsgs; ++i) if (flags[i] & SEEN) {
|
|
|
535 for (j = i + 1, k = 0; (j <= nmsgs) && (flags[j] & SEEN); ++j) k = j;
|
|
|
536 if (k) sprintf (s,",%lu:%lu",i,k);
|
|
|
537 else sprintf (s,",%lu",i);
|
|
|
538 s += strlen (s); /* point to end of string */
|
|
|
539 if ((s - tmp) > (MAILTMPLEN - 30)) {
|
|
|
540 mail_setflag (stream,tmp + 1,"\\Seen");
|
|
|
541 *(s = tmp) = '\0'; /* restart sequence */
|
|
|
542 }
|
|
|
543 i = j; /* continue after the range */
|
|
|
544 }
|
|
|
545 if (tmp[0]) mail_setflag (stream,tmp + 1,"\\Seen");
|
|
|
546 }
|
|
|
547 if (ndele) { /* any messages to delete? */
|
|
|
548 *(s = tmp) = '\0'; /* clear sequence */
|
|
|
549 for (i = 1; i <= nmsgs; ++i) if (flags[i] & DELE) {
|
|
|
550 for (j = i + 1, k = 0; (j <= nmsgs) && (flags[j] & DELE); ++j) k = j;
|
|
|
551 if (k) sprintf (s,",%lu:%lu",i,k);
|
|
|
552 else sprintf (s,",%lu",i);
|
|
|
553 s += strlen (s); /* point to end of string */
|
|
|
554 if ((s - tmp) > (MAILTMPLEN - 30)) {
|
|
|
555 mail_setflag (stream,tmp + 1,"\\Deleted");
|
|
|
556 *(s = tmp) = '\0'; /* restart sequence */
|
|
|
557 }
|
|
|
558 i = j; /* continue after the range */
|
|
|
559 }
|
|
|
560 if (tmp[0]) mail_setflag (stream,tmp + 1,"\\Deleted");
|
|
|
561 mail_expunge (stream);
|
|
|
562 }
|
|
|
563 syslog (LOG_INFO,"Update user=%.80s host=%.80s nmsgs=%lu ndele=%lu nseen=%lu",
|
|
|
564 user,tcp_clienthost (),stream->nmsgs,ndele,nseen);
|
|
|
565 mail_close (stream);
|
|
|
566 }
|
|
|
567 sayonara (0);
|
|
|
568 return 0; /* stupid compilers */
|
|
|
569 }
|
|
|
570
|
|
|
571
|
|
|
572 /* Say goodbye
|
|
|
573 * Accepts: exit status
|
|
|
574 *
|
|
|
575 * Does not return
|
|
|
576 */
|
|
|
577
|
|
|
578 void sayonara (int status)
|
|
|
579 {
|
|
|
580 logouthook_t lgoh = (logouthook_t) mail_parameters (NIL,GET_LOGOUTHOOK,NIL);
|
|
|
581 if (goodbye) { /* have a goodbye message? */
|
|
|
582 PSOUT (goodbye);
|
|
|
583 PFLUSH (); /* make sure blatted */
|
|
|
584 }
|
|
|
585 syslog (LOG_INFO,"%s user=%.80s host=%.80s",logout,
|
|
|
586 user ? (char *) user : "???",tcp_clienthost ());
|
|
|
587 /* do logout hook if needed */
|
|
|
588 if (lgoh) (*lgoh) (mail_parameters (NIL,GET_LOGOUTDATA,NIL));
|
|
|
589 _exit (status); /* all done */
|
|
|
590 }
|
|
|
591
|
|
|
592 /* Clock interrupt
|
|
|
593 */
|
|
|
594
|
|
|
595 void clkint ()
|
|
|
596 {
|
|
|
597 alarm (0); /* disable all interrupts */
|
|
|
598 server_init (NIL,NIL,NIL,SIG_IGN,SIG_IGN,SIG_IGN,SIG_IGN,SIG_IGN);
|
|
|
599 goodbye = "-ERR Autologout; idle for too long\015\012";
|
|
|
600 logout = "Autologout";
|
|
|
601 if (critical) state = LOGOUT; /* badly hosed if in critical code */
|
|
|
602 else { /* try to gracefully close the stream */
|
|
|
603 if ((state == TRANSACTION) && !stream->lock) {
|
|
|
604 rset ();
|
|
|
605 mail_close (stream);
|
|
|
606 }
|
|
|
607 state = LOGOUT;
|
|
|
608 stream = NIL;
|
|
|
609 sayonara (1);
|
|
|
610 }
|
|
|
611 }
|
|
|
612
|
|
|
613
|
|
|
614 /* Kiss Of Death interrupt
|
|
|
615 */
|
|
|
616
|
|
|
617 void kodint ()
|
|
|
618 {
|
|
|
619 /* only if idle */
|
|
|
620 if (idletime && ((time (0) - idletime) > KODTIMEOUT)) {
|
|
|
621 alarm (0); /* disable all interrupts */
|
|
|
622 server_init (NIL,NIL,NIL,SIG_IGN,SIG_IGN,SIG_IGN,SIG_IGN,SIG_IGN);
|
|
|
623 goodbye = "-ERR Received Kiss of Death\015\012";
|
|
|
624 logout = "Killed (lost mailbox lock)";
|
|
|
625 if (critical) state =LOGOUT;/* must defer if in critical code */
|
|
|
626 else { /* try to gracefully close the stream */
|
|
|
627 if ((state == TRANSACTION) && !stream->lock) {
|
|
|
628 rset ();
|
|
|
629 mail_close (stream);
|
|
|
630 }
|
|
|
631 state = LOGOUT;
|
|
|
632 stream = NIL;
|
|
|
633 sayonara (1); /* die die die */
|
|
|
634 }
|
|
|
635 }
|
|
|
636 }
|
|
|
637
|
|
|
638
|
|
|
639 /* Hangup interrupt
|
|
|
640 */
|
|
|
641
|
|
|
642 void hupint ()
|
|
|
643 {
|
|
|
644 alarm (0); /* disable all interrupts */
|
|
|
645 server_init (NIL,NIL,NIL,SIG_IGN,SIG_IGN,SIG_IGN,SIG_IGN,SIG_IGN);
|
|
|
646 goodbye = NIL; /* nobody left to talk to */
|
|
|
647 logout = "Hangup";
|
|
|
648 if (critical) state = LOGOUT; /* must defer if in critical code */
|
|
|
649 else { /* try to gracefully close the stream */
|
|
|
650 if ((state == TRANSACTION) && !stream->lock) {
|
|
|
651 rset ();
|
|
|
652 mail_close (stream);
|
|
|
653 }
|
|
|
654 state = LOGOUT;
|
|
|
655 stream = NIL;
|
|
|
656 sayonara (1); /* die die die */
|
|
|
657 }
|
|
|
658 }
|
|
|
659
|
|
|
660
|
|
|
661 /* Termination interrupt
|
|
|
662 */
|
|
|
663
|
|
|
664 void trmint ()
|
|
|
665 {
|
|
|
666 alarm (0); /* disable all interrupts */
|
|
|
667 server_init (NIL,NIL,NIL,SIG_IGN,SIG_IGN,SIG_IGN,SIG_IGN,SIG_IGN);
|
|
|
668 goodbye = "-ERR Killed\015\012";
|
|
|
669 logout = "Killed";
|
|
|
670 if (critical) state = LOGOUT; /* must defer if in critical code */
|
|
|
671 /* Make no attempt at graceful closure since a shutdown may be in
|
|
|
672 * progress, and we won't have any time to do mail_close() actions.
|
|
|
673 */
|
|
|
674 else sayonara (1); /* die die die */
|
|
|
675 }
|
|
|
676
|
|
|
677 /* Parse PASS command
|
|
|
678 * Accepts: pointer to command argument
|
|
|
679 * Returns: new state
|
|
|
680 */
|
|
|
681
|
|
|
682 int pass_login (char *t,int argc,char *argv[])
|
|
|
683 {
|
|
|
684 char tmp[MAILTMPLEN];
|
|
|
685 /* flush old passowrd */
|
|
|
686 if (pass) fs_give ((void **) &pass);
|
|
|
687 if (!(t && *t)) { /* if no password given */
|
|
|
688 PSOUT ("-ERR Missing password argument\015\012");
|
|
|
689 return AUTHORIZATION;
|
|
|
690 }
|
|
|
691 pass = cpystr (t); /* copy password argument */
|
|
|
692 if (!host) { /* want remote mailbox? */
|
|
|
693 /* no, delimit user from possible admin */
|
|
|
694 if (t = strchr (user,'*')) *t++ ='\0';
|
|
|
695 /* attempt the login */
|
|
|
696 if (server_login (user,pass,t,argc,argv)) {
|
|
|
697 int ret = mbxopen ("INBOX");
|
|
|
698 if (ret == TRANSACTION) /* mailbox opened OK? */
|
|
|
699 syslog (LOG_INFO,"%sLogin user=%.80s host=%.80s nmsgs=%lu/%lu",
|
|
|
700 t ? "Admin " : "",user,tcp_clienthost (),nmsgs,stream->nmsgs);
|
|
|
701 else syslog (LOG_INFO,"%sLogin user=%.80s host=%.80s no mailbox",
|
|
|
702 t ? "Admin " : "",user,tcp_clienthost ());
|
|
|
703 return ret;
|
|
|
704 }
|
|
|
705 }
|
|
|
706 #ifndef DISABLE_POP_PROXY
|
|
|
707 /* remote; build remote INBOX */
|
|
|
708 else if (anonymous_login (argc,argv)) {
|
|
|
709 syslog (LOG_INFO,"IMAP login to host=%.80s user=%.80s host=%.80s",host,
|
|
|
710 user,tcp_clienthost ());
|
|
|
711 sprintf (tmp,"{%.128s/user=%.128s}INBOX",host,user);
|
|
|
712 /* disable rimap just in case */
|
|
|
713 mail_parameters (NIL,SET_RSHTIMEOUT,0);
|
|
|
714 return mbxopen (tmp);
|
|
|
715 }
|
|
|
716 #endif
|
|
|
717 /* vague error message to confuse crackers */
|
|
|
718 PSOUT ("-ERR Bad login\015\012");
|
|
|
719 return AUTHORIZATION;
|
|
|
720 }
|
|
|
721
|
|
|
722 /* Authentication responder
|
|
|
723 * Accepts: challenge
|
|
|
724 * length of challenge
|
|
|
725 * pointer to response length return location if non-NIL
|
|
|
726 * Returns: response
|
|
|
727 */
|
|
|
728
|
|
|
729 #define RESPBUFLEN 8*MAILTMPLEN
|
|
|
730
|
|
|
731 char *responder (void *challenge,unsigned long clen,unsigned long *rlen)
|
|
|
732 {
|
|
|
733 unsigned long i,j;
|
|
|
734 unsigned char *t,resp[RESPBUFLEN];
|
|
|
735 char tmp[MAILTMPLEN];
|
|
|
736 if (initial) { /* initial response given? */
|
|
|
737 if (clen) return NIL; /* not permitted */
|
|
|
738 /* set up response */
|
|
|
739 t = (unsigned char *) initial;
|
|
|
740 initial = NIL; /* no more initial response */
|
|
|
741 return (char *) rfc822_base64 (t,strlen ((char *) t),rlen ? rlen : &i);
|
|
|
742 }
|
|
|
743 PSOUT ("+ ");
|
|
|
744 for (t = rfc822_binary (challenge,clen,&i),j = 0; j < i; j++)
|
|
|
745 if (t[j] > ' ') PBOUT (t[j]);
|
|
|
746 fs_give ((void **) &t);
|
|
|
747 CRLF;
|
|
|
748 PFLUSH (); /* dump output buffer */
|
|
|
749 resp[RESPBUFLEN-1] = '\0'; /* last buffer character is guaranteed NUL */
|
|
|
750 alarm (LOGINTIMEOUT); /* get a response under timeout */
|
|
|
751 clearerr (stdin); /* clear stdin errors */
|
|
|
752 /* read buffer */
|
|
|
753 while (!PSIN ((char *) resp,RESPBUFLEN)) {
|
|
|
754 /* ignore if some interrupt */
|
|
|
755 if (ferror (stdin) && (errno == EINTR)) clearerr (stdin);
|
|
|
756 else {
|
|
|
757 char *e = ferror (stdin) ?
|
|
|
758 strerror (errno) : "Command stream end of file";
|
|
|
759 alarm (0); /* disable all interrupts */
|
|
|
760 server_init (NIL,NIL,NIL,SIG_IGN,SIG_IGN,SIG_IGN,SIG_IGN,SIG_IGN);
|
|
|
761 sprintf (logout = tmp,"%.80s, while reading authentication",e);
|
|
|
762 goodbye = NIL;
|
|
|
763 state = LOGOUT;
|
|
|
764 sayonara (1);
|
|
|
765 }
|
|
|
766 }
|
|
|
767 if (!(t = (unsigned char *) strchr ((char *) resp,'\012'))) {
|
|
|
768 int c;
|
|
|
769 while ((c = PBIN ()) != '\012') if (c == EOF) {
|
|
|
770 /* ignore if some interrupt */
|
|
|
771 if (ferror (stdin) && (errno == EINTR)) clearerr (stdin);
|
|
|
772 else {
|
|
|
773 char *e = ferror (stdin) ?
|
|
|
774 strerror (errno) : "Command stream end of file";
|
|
|
775 alarm (0); /* disable all interrupts */
|
|
|
776 server_init (NIL,NIL,NIL,SIG_IGN,SIG_IGN,SIG_IGN,SIG_IGN,SIG_IGN);
|
|
|
777 sprintf (logout = tmp,"%.80s, while reading auth char",e);
|
|
|
778 goodbye = NIL;
|
|
|
779 state = LOGOUT;
|
|
|
780 sayonara (1);
|
|
|
781 }
|
|
|
782 }
|
|
|
783 return NIL;
|
|
|
784 }
|
|
|
785 alarm (0); /* make sure timeout disabled */
|
|
|
786 if (t[-1] == '\015') --t; /* remove CR */
|
|
|
787 *t = '\0'; /* tie off buffer */
|
|
|
788 return (resp[0] != '*') ?
|
|
|
789 (char *) rfc822_base64 (resp,t-resp,rlen ? rlen : &i) : NIL;
|
|
|
790 }
|
|
|
791
|
|
|
792 /* Select mailbox
|
|
|
793 * Accepts: mailbox name
|
|
|
794 * Returns: new state
|
|
|
795 */
|
|
|
796
|
|
|
797 int mbxopen (char *mailbox)
|
|
|
798 {
|
|
|
799 unsigned long i,j;
|
|
|
800 char tmp[MAILTMPLEN];
|
|
|
801 MESSAGECACHE *elt;
|
|
|
802 if (msg) fs_give ((void **) &msg);
|
|
|
803 /* open mailbox */
|
|
|
804 if (!(stream = mail_open (stream,mailbox,NIL)))
|
|
|
805 goodbye = "-ERR Unable to open user's INBOX\015\012";
|
|
|
806 else if (stream->rdonly) /* make sure not readonly */
|
|
|
807 goodbye = "-ERR Can't get lock. Mailbox in use\015\012";
|
|
|
808 else {
|
|
|
809 nmsgs = 0; /* no messages yet */
|
|
|
810 if (j = stream->nmsgs) { /* if mailbox non-empty */
|
|
|
811 sprintf (tmp,"1:%lu",j); /* fetch fast information for all messages */
|
|
|
812 mail_fetch_fast (stream,tmp,NIL);
|
|
|
813 }
|
|
|
814 /* create 1-origin tables */
|
|
|
815 msg = (long *) fs_get (++j * sizeof (long));
|
|
|
816 flags = (short *) fs_get (j * sizeof (short));
|
|
|
817 /* build map */
|
|
|
818 for (i = 1; i < j; ++i) if (!(elt = mail_elt (stream,i))->deleted) {
|
|
|
819 msg[++nmsgs] = i; /* note the presence of this message */
|
|
|
820 if (elt->seen) il = nmsgs;/* and set up initial LAST */
|
|
|
821 }
|
|
|
822 /* make sure unused map entries are zero */
|
|
|
823 for (i = nmsgs + 1; i < j; ++i) msg[i] = 0;
|
|
|
824 rset (); /* do implicit RSET */
|
|
|
825 sprintf (tmp,"+OK Mailbox open, %lu messages\015\012",nmsgs);
|
|
|
826 PSOUT (tmp);
|
|
|
827 return TRANSACTION;
|
|
|
828 }
|
|
|
829 syslog (LOG_INFO,"Error opening or locking INBOX user=%.80s host=%.80s",
|
|
|
830 user,tcp_clienthost ());
|
|
|
831 return UPDATE;
|
|
|
832 }
|
|
|
833
|
|
|
834 /* Blat a string with dot checking
|
|
|
835 * Accepts: string
|
|
|
836 * maximum number of lines if greater than zero
|
|
|
837 * maximum number of bytes to output
|
|
|
838 * alternative stringstruct
|
|
|
839 * Returns: number of lines output
|
|
|
840 *
|
|
|
841 * This routine is uglier and kludgier than it should be, just to be robust
|
|
|
842 * in the case of a message which doesn't end in a newline. Yes, this routine
|
|
|
843 * does truncate the last two bytes from the text. Since it is normally a
|
|
|
844 * newline and the main routine adds it back, it usually does not make a
|
|
|
845 * difference. But if it isn't, since the newline is required and the octet
|
|
|
846 * counts have to match, there's no choice but to truncate.
|
|
|
847 */
|
|
|
848
|
|
|
849 long blat (char *text,long lines,unsigned long size,STRING *st)
|
|
|
850 {
|
|
|
851 char c,d,e;
|
|
|
852 long ret = 0;
|
|
|
853 /* no-op if zero lines or empty string */
|
|
|
854 if (!(lines && (size-- > 2))) return 0;
|
|
|
855 if (text) {
|
|
|
856 c = *text++; d = *text++; /* collect first two bytes */
|
|
|
857 if (c == '.') PBOUT ('.'); /* double string-leading dot if necessary */
|
|
|
858 while (lines && --size) { /* copy loop */
|
|
|
859 e = *text++; /* get next byte */
|
|
|
860 PBOUT (c); /* output character */
|
|
|
861 if (c == '\012') { /* end of line? */
|
|
|
862 ret++; --lines; /* count another line */
|
|
|
863 /* double leading dot as necessary */
|
|
|
864 if (lines && size && (d == '.')) PBOUT ('.');
|
|
|
865 }
|
|
|
866 c = d; d = e; /* move to next character */
|
|
|
867 }
|
|
|
868 }
|
|
|
869 else {
|
|
|
870 c = SNX (st); d = SNX (st); /* collect first two bytes */
|
|
|
871 if (c == '.') PBOUT ('.'); /* double string-leading dot if necessary */
|
|
|
872 while (lines && --size) { /* copy loop */
|
|
|
873 e = SNX (st); /* get next byte */
|
|
|
874 PBOUT (c); /* output character */
|
|
|
875 if (c == '\012') { /* end of line? */
|
|
|
876 ret++; --lines; /* count another line */
|
|
|
877 /* double leading dot as necessary */
|
|
|
878 if (lines && size && (d == '.')) PBOUT ('.');
|
|
|
879 }
|
|
|
880 c = d; d = e; /* move to next character */
|
|
|
881 }
|
|
|
882 }
|
|
|
883 return ret;
|
|
|
884 }
|
|
|
885
|
|
|
886 /* Reset mailbox
|
|
|
887 */
|
|
|
888
|
|
|
889 void rset ()
|
|
|
890 {
|
|
|
891 /* clear all flags */
|
|
|
892 if (flags) memset ((void *) flags,0,(nmsgs + 1) * sizeof (short));
|
|
|
893 ndele = nseen = 0; /* no more deleted or seen messages */
|
|
|
894 last = il; /* restore previous LAST value */
|
|
|
895 }
|
|
|
896
|
|
|
897 /* Co-routines from MAIL library */
|
|
|
898
|
|
|
899
|
|
|
900 /* Message matches a search
|
|
|
901 * Accepts: MAIL stream
|
|
|
902 * message number
|
|
|
903 */
|
|
|
904
|
|
|
905 void mm_searched (MAILSTREAM *stream,unsigned long msgno)
|
|
|
906 {
|
|
|
907 /* Never called */
|
|
|
908 }
|
|
|
909
|
|
|
910
|
|
|
911 /* Message exists (i.e. there are that many messages in the mailbox)
|
|
|
912 * Accepts: MAIL stream
|
|
|
913 * message number
|
|
|
914 */
|
|
|
915
|
|
|
916 void mm_exists (MAILSTREAM *stream,unsigned long number)
|
|
|
917 {
|
|
|
918 /* Can't use this mechanism. POP has no means of notifying the client of
|
|
|
919 new mail during the session. */
|
|
|
920 }
|
|
|
921
|
|
|
922
|
|
|
923 /* Message expunged
|
|
|
924 * Accepts: MAIL stream
|
|
|
925 * message number
|
|
|
926 */
|
|
|
927
|
|
|
928 void mm_expunged (MAILSTREAM *stream,unsigned long number)
|
|
|
929 {
|
|
|
930 unsigned long i = number + 1;
|
|
|
931 msg[number] = 0; /* I bet that this will annoy someone */
|
|
|
932 while (i <= nmsgs) --msg[i++];
|
|
|
933 }
|
|
|
934
|
|
|
935
|
|
|
936 /* Message flag status change
|
|
|
937 * Accepts: MAIL stream
|
|
|
938 * message number
|
|
|
939 */
|
|
|
940
|
|
|
941 void mm_flags (MAILSTREAM *stream,unsigned long number)
|
|
|
942 {
|
|
|
943 /* This isn't used */
|
|
|
944 }
|
|
|
945
|
|
|
946
|
|
|
947 /* Mailbox found
|
|
|
948 * Accepts: MAIL stream
|
|
|
949 * hierarchy delimiter
|
|
|
950 * mailbox name
|
|
|
951 * mailbox attributes
|
|
|
952 */
|
|
|
953
|
|
|
954 void mm_list (MAILSTREAM *stream,int delimiter,char *name,long attributes)
|
|
|
955 {
|
|
|
956 /* This isn't used */
|
|
|
957 }
|
|
|
958
|
|
|
959
|
|
|
960 /* Subscribe mailbox found
|
|
|
961 * Accepts: MAIL stream
|
|
|
962 * hierarchy delimiter
|
|
|
963 * mailbox name
|
|
|
964 * mailbox attributes
|
|
|
965 */
|
|
|
966
|
|
|
967 void mm_lsub (MAILSTREAM *stream,int delimiter,char *name,long attributes)
|
|
|
968 {
|
|
|
969 /* This isn't used */
|
|
|
970 }
|
|
|
971
|
|
|
972
|
|
|
973 /* Mailbox status
|
|
|
974 * Accepts: MAIL stream
|
|
|
975 * mailbox name
|
|
|
976 * mailbox status
|
|
|
977 */
|
|
|
978
|
|
|
979 void mm_status (MAILSTREAM *stream,char *mailbox,MAILSTATUS *status)
|
|
|
980 {
|
|
|
981 /* This isn't used */
|
|
|
982 }
|
|
|
983
|
|
|
984 /* Notification event
|
|
|
985 * Accepts: MAIL stream
|
|
|
986 * string to log
|
|
|
987 * error flag
|
|
|
988 */
|
|
|
989
|
|
|
990 void mm_notify (MAILSTREAM *stream,char *string,long errflg)
|
|
|
991 {
|
|
|
992 mm_log (string,errflg); /* just do mm_log action */
|
|
|
993 }
|
|
|
994
|
|
|
995
|
|
|
996 /* Log an event for the user to see
|
|
|
997 * Accepts: string to log
|
|
|
998 * error flag
|
|
|
999 */
|
|
|
1000
|
|
|
1001 void mm_log (char *string,long errflg)
|
|
|
1002 {
|
|
|
1003 switch (errflg) {
|
|
|
1004 case NIL: /* information message */
|
|
|
1005 case PARSE: /* parse glitch */
|
|
|
1006 break; /* too many of these to log */
|
|
|
1007 case WARN: /* warning */
|
|
|
1008 syslog (LOG_DEBUG,"%s",string);
|
|
|
1009 break;
|
|
|
1010 case BYE: /* driver broke connection */
|
|
|
1011 if (state != UPDATE) {
|
|
|
1012 char tmp[MAILTMPLEN];
|
|
|
1013 alarm (0); /* disable all interrupts */
|
|
|
1014 server_init (NIL,NIL,NIL,SIG_IGN,SIG_IGN,SIG_IGN,SIG_IGN,SIG_IGN);
|
|
|
1015 sprintf (logout = tmp,"Mailbox closed (%.80s)",string);
|
|
|
1016 goodbye = NIL;
|
|
|
1017 state = LOGOUT;
|
|
|
1018 sayonara (1);
|
|
|
1019 }
|
|
|
1020 break;
|
|
|
1021 case ERROR: /* error that broke command */
|
|
|
1022 default: /* default should never happen */
|
|
|
1023 syslog (LOG_NOTICE,"%s",string);
|
|
|
1024 break;
|
|
|
1025 }
|
|
|
1026 }
|
|
|
1027
|
|
|
1028
|
|
|
1029 /* Log an event to debugging telemetry
|
|
|
1030 * Accepts: string to log
|
|
|
1031 */
|
|
|
1032
|
|
|
1033 void mm_dlog (char *string)
|
|
|
1034 {
|
|
|
1035 /* Not doing anything here for now */
|
|
|
1036 }
|
|
|
1037
|
|
|
1038
|
|
|
1039 /* Get user name and password for this host
|
|
|
1040 * Accepts: parse of network mailbox name
|
|
|
1041 * where to return user name
|
|
|
1042 * where to return password
|
|
|
1043 * trial count
|
|
|
1044 */
|
|
|
1045
|
|
|
1046 void mm_login (NETMBX *mb,char *username,char *password,long trial)
|
|
|
1047 {
|
|
|
1048 /* set user name */
|
|
|
1049 strncpy (username,*mb->user ? mb->user : user,NETMAXUSER-1);
|
|
|
1050 if (pass) {
|
|
|
1051 strncpy (password,pass,255);/* and password */
|
|
|
1052 fs_give ((void **) &pass);
|
|
|
1053 }
|
|
|
1054 else memset (password,0,256); /* no password to send, abort login */
|
|
|
1055 username[NETMAXUSER] = password[255] = '\0';
|
|
|
1056 }
|
|
|
1057
|
|
|
1058 /* About to enter critical code
|
|
|
1059 * Accepts: stream
|
|
|
1060 */
|
|
|
1061
|
|
|
1062 void mm_critical (MAILSTREAM *stream)
|
|
|
1063 {
|
|
|
1064 ++critical;
|
|
|
1065 }
|
|
|
1066
|
|
|
1067
|
|
|
1068 /* About to exit critical code
|
|
|
1069 * Accepts: stream
|
|
|
1070 */
|
|
|
1071
|
|
|
1072 void mm_nocritical (MAILSTREAM *stream)
|
|
|
1073 {
|
|
|
1074 --critical;
|
|
|
1075 }
|
|
|
1076
|
|
|
1077
|
|
|
1078 /* Disk error found
|
|
|
1079 * Accepts: stream
|
|
|
1080 * system error code
|
|
|
1081 * flag indicating that mailbox may be clobbered
|
|
|
1082 * Returns: abort flag
|
|
|
1083 */
|
|
|
1084
|
|
|
1085 long mm_diskerror (MAILSTREAM *stream,long errcode,long serious)
|
|
|
1086 {
|
|
|
1087 if (serious) { /* try your damnest if clobberage likely */
|
|
|
1088 syslog (LOG_ALERT,
|
|
|
1089 "Retrying after disk error user=%.80s host=%.80s mbx=%.80s: %.80s",
|
|
|
1090 user,tcp_clienthost (),
|
|
|
1091 (stream && stream->mailbox) ? stream->mailbox : "???",
|
|
|
1092 strerror (errcode));
|
|
|
1093 alarm (0); /* make damn sure timeout disabled */
|
|
|
1094 sleep (60); /* give it some time to clear up */
|
|
|
1095 return NIL;
|
|
|
1096 }
|
|
|
1097 syslog (LOG_ALERT,"Fatal disk error user=%.80s host=%.80s mbx=%.80s: %.80s",
|
|
|
1098 user,tcp_clienthost (),
|
|
|
1099 (stream && stream->mailbox) ? stream->mailbox : "???",
|
|
|
1100 strerror (errcode));
|
|
|
1101 return T;
|
|
|
1102 }
|
|
|
1103
|
|
|
1104
|
|
|
1105 /* Log a fatal error event
|
|
|
1106 * Accepts: string to log
|
|
|
1107 */
|
|
|
1108
|
|
|
1109 void mm_fatal (char *string)
|
|
|
1110 {
|
|
|
1111 mm_log (string,ERROR); /* shouldn't happen normally */
|
|
|
1112 }
|
