1 | /* |
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2 | * Copyright (c) 1998 Sendmail, Inc. All rights reserved. |
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3 | * Copyright (c) 1983, 1995-1997 Eric P. Allman. All rights reserved. |
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4 | * Copyright (c) 1988, 1993 |
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5 | * The Regents of the University of California. All rights reserved. |
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6 | * |
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7 | * By using this file, you agree to the terms and conditions set |
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8 | * forth in the LICENSE file which can be found at the top level of |
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9 | * the sendmail distribution. |
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10 | * |
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11 | */ |
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12 | |
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13 | #ifndef lint |
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14 | static char sccsid[] = "@(#)collect.c 8.93 (Berkeley) 1/26/1999"; |
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15 | #endif /* not lint */ |
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16 | |
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17 | # include <errno.h> |
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18 | # include "sendmail.h" |
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19 | |
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20 | /* |
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21 | ** COLLECT -- read & parse message header & make temp file. |
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22 | ** |
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23 | ** Creates a temporary file name and copies the standard |
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24 | ** input to that file. Leading UNIX-style "From" lines are |
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25 | ** stripped off (after important information is extracted). |
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26 | ** |
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27 | ** Parameters: |
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28 | ** fp -- file to read. |
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29 | ** smtpmode -- if set, we are running SMTP: give an RFC821 |
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30 | ** style message to say we are ready to collect |
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31 | ** input, and never ignore a single dot to mean |
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32 | ** end of message. |
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33 | ** hdrp -- the location to stash the header. |
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34 | ** e -- the current envelope. |
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35 | ** |
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36 | ** Returns: |
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37 | ** none. |
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38 | ** |
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39 | ** Side Effects: |
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40 | ** Temp file is created and filled. |
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41 | ** The from person may be set. |
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42 | */ |
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43 | |
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44 | static jmp_buf CtxCollectTimeout; |
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45 | static void collecttimeout __P((time_t)); |
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46 | static bool CollectProgress; |
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47 | static EVENT *CollectTimeout; |
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48 | |
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49 | /* values for input state machine */ |
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50 | #define IS_NORM 0 /* middle of line */ |
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51 | #define IS_BOL 1 /* beginning of line */ |
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52 | #define IS_DOT 2 /* read a dot at beginning of line */ |
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53 | #define IS_DOTCR 3 /* read ".\r" at beginning of line */ |
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54 | #define IS_CR 4 /* read a carriage return */ |
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55 | |
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56 | /* values for message state machine */ |
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57 | #define MS_UFROM 0 /* reading Unix from line */ |
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58 | #define MS_HEADER 1 /* reading message header */ |
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59 | #define MS_BODY 2 /* reading message body */ |
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60 | #define MS_DISCARD 3 /* discarding rest of message */ |
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61 | |
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62 | void |
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63 | collect(fp, smtpmode, hdrp, e) |
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64 | FILE *fp; |
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65 | bool smtpmode; |
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66 | HDR **hdrp; |
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67 | register ENVELOPE *e; |
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68 | { |
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69 | register FILE *volatile tf; |
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70 | volatile bool ignrdot = smtpmode ? FALSE : IgnrDot; |
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71 | volatile time_t dbto = smtpmode ? TimeOuts.to_datablock : 0; |
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72 | register char *volatile bp; |
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73 | volatile int c = EOF; |
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74 | volatile bool inputerr = FALSE; |
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75 | bool headeronly; |
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76 | char *volatile buf; |
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77 | volatile int buflen; |
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78 | volatile int istate; |
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79 | volatile int mstate; |
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80 | u_char *volatile pbp; |
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81 | int hdrslen = 0; |
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82 | u_char peekbuf[8]; |
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83 | char dfname[MAXQFNAME]; |
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84 | char bufbuf[MAXLINE]; |
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85 | extern bool isheader __P((char *)); |
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86 | extern void tferror __P((FILE *volatile, ENVELOPE *)); |
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87 | |
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88 | headeronly = hdrp != NULL; |
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89 | |
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90 | /* |
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91 | ** Create the temp file name and create the file. |
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92 | */ |
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93 | |
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94 | if (!headeronly) |
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95 | { |
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96 | int tfd; |
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97 | struct stat stbuf; |
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98 | |
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99 | strcpy(dfname, queuename(e, 'd')); |
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100 | tfd = dfopen(dfname, O_WRONLY|O_CREAT|O_TRUNC, FileMode, SFF_ANYFILE); |
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101 | if (tfd < 0 || (tf = fdopen(tfd, "w")) == NULL) |
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102 | { |
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103 | syserr("Cannot create %s", dfname); |
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104 | e->e_flags |= EF_NO_BODY_RETN; |
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105 | finis(TRUE, ExitStat); |
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106 | } |
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107 | if (fstat(fileno(tf), &stbuf) < 0) |
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108 | e->e_dfino = -1; |
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109 | else |
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110 | { |
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111 | e->e_dfdev = stbuf.st_dev; |
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112 | e->e_dfino = stbuf.st_ino; |
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113 | } |
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114 | HasEightBits = FALSE; |
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115 | e->e_msgsize = 0; |
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116 | e->e_flags |= EF_HAS_DF; |
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117 | } |
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118 | |
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119 | /* |
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120 | ** Tell ARPANET to go ahead. |
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121 | */ |
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122 | |
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123 | if (smtpmode) |
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124 | message("354 Enter mail, end with \".\" on a line by itself"); |
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125 | |
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126 | if (tTd(30, 2)) |
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127 | printf("collect\n"); |
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128 | |
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129 | /* |
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130 | ** Read the message. |
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131 | ** |
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132 | ** This is done using two interleaved state machines. |
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133 | ** The input state machine is looking for things like |
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134 | ** hidden dots; the message state machine is handling |
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135 | ** the larger picture (e.g., header versus body). |
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136 | */ |
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137 | |
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138 | buf = bp = bufbuf; |
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139 | buflen = sizeof bufbuf; |
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140 | pbp = peekbuf; |
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141 | istate = IS_BOL; |
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142 | mstate = SaveFrom ? MS_HEADER : MS_UFROM; |
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143 | CollectProgress = FALSE; |
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144 | |
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145 | if (dbto != 0) |
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146 | { |
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147 | /* handle possible input timeout */ |
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148 | if (setjmp(CtxCollectTimeout) != 0) |
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149 | { |
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150 | if (LogLevel > 2) |
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151 | sm_syslog(LOG_NOTICE, e->e_id, |
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152 | "timeout waiting for input from %s during message collect", |
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153 | CurHostName ? CurHostName : "<local machine>"); |
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154 | errno = 0; |
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155 | usrerr("451 timeout waiting for input during message collect"); |
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156 | goto readerr; |
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157 | } |
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158 | CollectTimeout = setevent(dbto, collecttimeout, dbto); |
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159 | } |
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160 | |
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161 | for (;;) |
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162 | { |
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163 | if (tTd(30, 35)) |
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164 | printf("top, istate=%d, mstate=%d\n", istate, mstate); |
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165 | for (;;) |
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166 | { |
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167 | if (pbp > peekbuf) |
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168 | c = *--pbp; |
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169 | else |
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170 | { |
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171 | while (!feof(fp) && !ferror(fp)) |
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172 | { |
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173 | errno = 0; |
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174 | c = getc(fp); |
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175 | if (errno != EINTR) |
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176 | break; |
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177 | clearerr(fp); |
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178 | } |
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179 | CollectProgress = TRUE; |
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180 | if (TrafficLogFile != NULL && !headeronly) |
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181 | { |
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182 | if (istate == IS_BOL) |
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183 | fprintf(TrafficLogFile, "%05d <<< ", |
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184 | (int) getpid()); |
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185 | if (c == EOF) |
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186 | fprintf(TrafficLogFile, "[EOF]\n"); |
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187 | else |
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188 | putc(c, TrafficLogFile); |
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189 | } |
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190 | if (c == EOF) |
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191 | goto readerr; |
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192 | if (SevenBitInput) |
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193 | c &= 0x7f; |
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194 | else |
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195 | HasEightBits |= bitset(0x80, c); |
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196 | } |
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197 | if (tTd(30, 94)) |
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198 | printf("istate=%d, c=%c (0x%x)\n", |
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199 | istate, c, c); |
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200 | switch (istate) |
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201 | { |
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202 | case IS_BOL: |
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203 | if (c == '.') |
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204 | { |
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205 | istate = IS_DOT; |
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206 | continue; |
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207 | } |
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208 | break; |
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209 | |
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210 | case IS_DOT: |
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211 | if (c == '\n' && !ignrdot && |
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212 | !bitset(EF_NL_NOT_EOL, e->e_flags)) |
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213 | goto readerr; |
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214 | else if (c == '\r' && |
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215 | !bitset(EF_CRLF_NOT_EOL, e->e_flags)) |
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216 | { |
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217 | istate = IS_DOTCR; |
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218 | continue; |
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219 | } |
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220 | else if (c != '.' || |
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221 | (OpMode != MD_SMTP && |
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222 | OpMode != MD_DAEMON && |
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223 | OpMode != MD_ARPAFTP)) |
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224 | { |
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225 | *pbp++ = c; |
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226 | c = '.'; |
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227 | } |
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228 | break; |
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229 | |
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230 | case IS_DOTCR: |
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231 | if (c == '\n' && !ignrdot) |
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232 | goto readerr; |
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233 | else |
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234 | { |
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235 | /* push back the ".\rx" */ |
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236 | *pbp++ = c; |
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237 | *pbp++ = '\r'; |
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238 | c = '.'; |
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239 | } |
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240 | break; |
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241 | |
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242 | case IS_CR: |
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243 | if (c == '\n') |
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244 | istate = IS_BOL; |
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245 | else |
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246 | { |
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247 | ungetc(c, fp); |
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248 | c = '\r'; |
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249 | istate = IS_NORM; |
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250 | } |
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251 | goto bufferchar; |
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252 | } |
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253 | |
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254 | if (c == '\r' && !bitset(EF_CRLF_NOT_EOL, e->e_flags)) |
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255 | { |
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256 | istate = IS_CR; |
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257 | continue; |
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258 | } |
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259 | else if (c == '\n' && !bitset(EF_NL_NOT_EOL, e->e_flags)) |
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260 | istate = IS_BOL; |
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261 | else |
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262 | istate = IS_NORM; |
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263 | |
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264 | bufferchar: |
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265 | if (!headeronly) |
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266 | e->e_msgsize++; |
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267 | switch (mstate) |
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268 | { |
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269 | case MS_BODY: |
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270 | /* just put the character out */ |
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271 | if (MaxMessageSize <= 0 || |
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272 | e->e_msgsize <= MaxMessageSize) |
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273 | putc(c, tf); |
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274 | |
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275 | /* fall through */ |
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276 | |
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277 | case MS_DISCARD: |
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278 | continue; |
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279 | } |
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280 | |
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281 | /* header -- buffer up */ |
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282 | if (bp >= &buf[buflen - 2]) |
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283 | { |
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284 | char *obuf; |
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285 | |
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286 | if (mstate != MS_HEADER) |
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287 | break; |
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288 | |
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289 | /* out of space for header */ |
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290 | obuf = buf; |
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291 | if (buflen < MEMCHUNKSIZE) |
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292 | buflen *= 2; |
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293 | else |
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294 | buflen += MEMCHUNKSIZE; |
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295 | buf = xalloc(buflen); |
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296 | bcopy(obuf, buf, bp - obuf); |
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297 | bp = &buf[bp - obuf]; |
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298 | if (obuf != bufbuf) |
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299 | free(obuf); |
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300 | } |
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301 | if (c >= 0200 && c <= 0237) |
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302 | { |
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303 | #if 0 /* causes complaints -- figure out something for 8.9 */ |
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304 | usrerr("Illegal character 0x%x in header", c); |
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305 | #endif |
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306 | } |
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307 | else if (c != '\0') |
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308 | { |
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309 | *bp++ = c; |
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310 | if (MaxHeadersLength > 0 && |
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311 | ++hdrslen > MaxHeadersLength) |
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312 | { |
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313 | sm_syslog(LOG_NOTICE, e->e_id, |
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314 | "headers too large (%d max) from %s during message collect", |
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315 | MaxHeadersLength, |
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316 | CurHostName != NULL ? CurHostName : "localhost"); |
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317 | errno = 0; |
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318 | e->e_flags |= EF_CLRQUEUE; |
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319 | e->e_status = "5.6.0"; |
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320 | usrerr("552 Headers too large (%d max)", |
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321 | MaxHeadersLength); |
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322 | mstate = MS_DISCARD; |
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323 | } |
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324 | } |
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325 | if (istate == IS_BOL) |
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326 | break; |
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327 | } |
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328 | *bp = '\0'; |
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329 | |
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330 | nextstate: |
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331 | if (tTd(30, 35)) |
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332 | printf("nextstate, istate=%d, mstate=%d, line = \"%s\"\n", |
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333 | istate, mstate, buf); |
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334 | switch (mstate) |
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335 | { |
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336 | case MS_UFROM: |
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337 | mstate = MS_HEADER; |
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338 | #ifndef NOTUNIX |
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339 | if (strncmp(buf, "From ", 5) == 0) |
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340 | { |
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341 | extern void eatfrom __P((char *volatile, ENVELOPE *)); |
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342 | |
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343 | bp = buf; |
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344 | eatfrom(buf, e); |
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345 | continue; |
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346 | } |
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347 | #endif |
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348 | /* fall through */ |
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349 | |
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350 | case MS_HEADER: |
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351 | if (!isheader(buf)) |
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352 | { |
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353 | mstate = MS_BODY; |
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354 | goto nextstate; |
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355 | } |
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356 | |
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357 | /* check for possible continuation line */ |
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358 | do |
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359 | { |
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360 | clearerr(fp); |
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361 | errno = 0; |
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362 | c = getc(fp); |
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363 | } while (errno == EINTR); |
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364 | if (c != EOF) |
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365 | ungetc(c, fp); |
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366 | if (c == ' ' || c == '\t') |
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367 | { |
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368 | /* yep -- defer this */ |
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369 | continue; |
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370 | } |
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371 | |
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372 | /* trim off trailing CRLF or NL */ |
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373 | if (*--bp != '\n' || *--bp != '\r') |
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374 | bp++; |
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375 | *bp = '\0'; |
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376 | |
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377 | if (bitset(H_EOH, chompheader(buf, FALSE, hdrp, e))) |
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378 | { |
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379 | mstate = MS_BODY; |
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380 | goto nextstate; |
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381 | } |
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382 | break; |
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383 | |
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384 | case MS_BODY: |
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385 | if (tTd(30, 1)) |
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386 | printf("EOH\n"); |
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387 | if (headeronly) |
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388 | goto readerr; |
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389 | bp = buf; |
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390 | |
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391 | /* toss blank line */ |
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392 | if ((!bitset(EF_CRLF_NOT_EOL, e->e_flags) && |
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393 | bp[0] == '\r' && bp[1] == '\n') || |
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394 | (!bitset(EF_NL_NOT_EOL, e->e_flags) && |
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395 | bp[0] == '\n')) |
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396 | { |
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397 | break; |
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398 | } |
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399 | |
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400 | /* if not a blank separator, write it out */ |
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401 | if (MaxMessageSize <= 0 || |
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402 | e->e_msgsize <= MaxMessageSize) |
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403 | { |
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404 | while (*bp != '\0') |
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405 | putc(*bp++, tf); |
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406 | } |
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407 | break; |
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408 | } |
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409 | bp = buf; |
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410 | } |
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411 | |
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412 | readerr: |
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413 | if ((feof(fp) && smtpmode) || ferror(fp)) |
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414 | { |
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415 | const char *errmsg = errstring(errno); |
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416 | |
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417 | if (tTd(30, 1)) |
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418 | printf("collect: premature EOM: %s\n", errmsg); |
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419 | if (LogLevel >= 2) |
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420 | sm_syslog(LOG_WARNING, e->e_id, |
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421 | "collect: premature EOM: %s", errmsg); |
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422 | inputerr = TRUE; |
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423 | } |
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424 | |
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425 | /* reset global timer */ |
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426 | clrevent(CollectTimeout); |
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427 | |
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428 | if (headeronly) |
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429 | return; |
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430 | |
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431 | if (tf != NULL && |
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432 | (fflush(tf) != 0 || ferror(tf) || |
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433 | (SuperSafe && fsync(fileno(tf)) < 0) || |
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434 | fclose(tf) < 0)) |
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435 | { |
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436 | tferror(tf, e); |
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437 | flush_errors(TRUE); |
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438 | finis(TRUE, ExitStat); |
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439 | } |
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440 | |
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441 | /* An EOF when running SMTP is an error */ |
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442 | if (inputerr && (OpMode == MD_SMTP || OpMode == MD_DAEMON)) |
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443 | { |
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444 | char *host; |
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445 | char *problem; |
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446 | |
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447 | host = RealHostName; |
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448 | if (host == NULL) |
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449 | host = "localhost"; |
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450 | |
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451 | if (feof(fp)) |
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452 | problem = "unexpected close"; |
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453 | else if (ferror(fp)) |
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454 | problem = "I/O error"; |
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455 | else |
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456 | problem = "read timeout"; |
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457 | if (LogLevel > 0 && feof(fp)) |
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458 | sm_syslog(LOG_NOTICE, e->e_id, |
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459 | "collect: %s on connection from %.100s, sender=%s: %s", |
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460 | problem, host, |
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461 | shortenstring(e->e_from.q_paddr, MAXSHORTSTR), |
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462 | errstring(errno)); |
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463 | if (feof(fp)) |
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464 | usrerr("451 collect: %s on connection from %s, from=%s", |
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465 | problem, host, |
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466 | shortenstring(e->e_from.q_paddr, MAXSHORTSTR)); |
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467 | else |
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468 | syserr("451 collect: %s on connection from %s, from=%s", |
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469 | problem, host, |
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470 | shortenstring(e->e_from.q_paddr, MAXSHORTSTR)); |
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471 | |
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472 | /* don't return an error indication */ |
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473 | e->e_to = NULL; |
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474 | e->e_flags &= ~EF_FATALERRS; |
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475 | e->e_flags |= EF_CLRQUEUE; |
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476 | |
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477 | /* and don't try to deliver the partial message either */ |
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478 | if (InChild) |
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479 | ExitStat = EX_QUIT; |
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480 | finis(TRUE, ExitStat); |
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481 | } |
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482 | |
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483 | /* |
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484 | ** Find out some information from the headers. |
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485 | ** Examples are who is the from person & the date. |
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486 | */ |
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487 | |
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488 | eatheader(e, TRUE); |
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489 | |
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490 | if (GrabTo && e->e_sendqueue == NULL) |
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491 | usrerr("No recipient addresses found in header"); |
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492 | |
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493 | /* collect statistics */ |
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494 | if (OpMode != MD_VERIFY) |
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495 | markstats(e, (ADDRESS *) NULL, FALSE); |
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496 | |
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497 | #if _FFR_DSN_RRT_OPTION |
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498 | /* |
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499 | ** If we have a Return-Receipt-To:, turn it into a DSN. |
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500 | */ |
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501 | |
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502 | if (RrtImpliesDsn && hvalue("return-receipt-to", e->e_header) != NULL) |
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503 | { |
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504 | ADDRESS *q; |
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505 | |
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506 | for (q = e->e_sendqueue; q != NULL; q = q->q_next) |
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507 | if (!bitset(QHASNOTIFY, q->q_flags)) |
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508 | q->q_flags |= QHASNOTIFY|QPINGONSUCCESS; |
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509 | } |
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510 | #endif |
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511 | |
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512 | /* |
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513 | ** Add an Apparently-To: line if we have no recipient lines. |
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514 | */ |
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515 | |
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516 | if (hvalue("to", e->e_header) != NULL || |
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517 | hvalue("cc", e->e_header) != NULL || |
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518 | hvalue("apparently-to", e->e_header) != NULL) |
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519 | { |
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520 | /* have a valid recipient header -- delete Bcc: headers */ |
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521 | e->e_flags |= EF_DELETE_BCC; |
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522 | } |
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523 | else if (hvalue("bcc", e->e_header) == NULL) |
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524 | { |
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525 | /* no valid recipient headers */ |
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526 | register ADDRESS *q; |
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527 | char *hdr = NULL; |
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528 | |
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529 | /* create an Apparently-To: field */ |
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530 | /* that or reject the message.... */ |
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531 | switch (NoRecipientAction) |
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532 | { |
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533 | case NRA_ADD_APPARENTLY_TO: |
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534 | hdr = "Apparently-To"; |
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535 | break; |
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536 | |
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537 | case NRA_ADD_TO: |
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538 | hdr = "To"; |
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539 | break; |
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540 | |
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541 | case NRA_ADD_BCC: |
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542 | addheader("Bcc", " ", &e->e_header); |
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543 | break; |
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544 | |
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545 | case NRA_ADD_TO_UNDISCLOSED: |
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546 | addheader("To", "undisclosed-recipients:;", &e->e_header); |
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547 | break; |
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548 | } |
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549 | |
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550 | if (hdr != NULL) |
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551 | { |
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552 | for (q = e->e_sendqueue; q != NULL; q = q->q_next) |
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553 | { |
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554 | if (q->q_alias != NULL) |
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555 | continue; |
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556 | if (tTd(30, 3)) |
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557 | printf("Adding %s: %s\n", |
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558 | hdr, q->q_paddr); |
---|
559 | addheader(hdr, q->q_paddr, &e->e_header); |
---|
560 | } |
---|
561 | } |
---|
562 | } |
---|
563 | |
---|
564 | /* check for message too large */ |
---|
565 | if (MaxMessageSize > 0 && e->e_msgsize > MaxMessageSize) |
---|
566 | { |
---|
567 | e->e_flags |= EF_NO_BODY_RETN|EF_CLRQUEUE; |
---|
568 | e->e_status = "5.2.3"; |
---|
569 | usrerr("552 Message exceeds maximum fixed size (%ld)", |
---|
570 | MaxMessageSize); |
---|
571 | if (LogLevel > 6) |
---|
572 | sm_syslog(LOG_NOTICE, e->e_id, |
---|
573 | "message size (%ld) exceeds maximum (%ld)", |
---|
574 | e->e_msgsize, MaxMessageSize); |
---|
575 | } |
---|
576 | |
---|
577 | /* check for illegal 8-bit data */ |
---|
578 | if (HasEightBits) |
---|
579 | { |
---|
580 | e->e_flags |= EF_HAS8BIT; |
---|
581 | if (!bitset(MM_PASS8BIT|MM_MIME8BIT, MimeMode) && |
---|
582 | !bitset(EF_IS_MIME, e->e_flags)) |
---|
583 | { |
---|
584 | e->e_status = "5.6.1"; |
---|
585 | usrerr("554 Eight bit data not allowed"); |
---|
586 | } |
---|
587 | } |
---|
588 | else |
---|
589 | { |
---|
590 | /* if it claimed to be 8 bits, well, it lied.... */ |
---|
591 | if (e->e_bodytype != NULL && |
---|
592 | strcasecmp(e->e_bodytype, "8BITMIME") == 0) |
---|
593 | e->e_bodytype = "7BIT"; |
---|
594 | } |
---|
595 | |
---|
596 | if ((e->e_dfp = fopen(dfname, "r")) == NULL) |
---|
597 | { |
---|
598 | /* we haven't acked receipt yet, so just chuck this */ |
---|
599 | syserr("Cannot reopen %s", dfname); |
---|
600 | finis(TRUE, ExitStat); |
---|
601 | } |
---|
602 | } |
---|
603 | |
---|
604 | |
---|
605 | static void |
---|
606 | collecttimeout(timeout) |
---|
607 | time_t timeout; |
---|
608 | { |
---|
609 | /* if no progress was made, die now */ |
---|
610 | if (!CollectProgress) |
---|
611 | longjmp(CtxCollectTimeout, 1); |
---|
612 | |
---|
613 | /* otherwise reset the timeout */ |
---|
614 | CollectTimeout = setevent(timeout, collecttimeout, timeout); |
---|
615 | CollectProgress = FALSE; |
---|
616 | } |
---|
617 | /* |
---|
618 | ** TFERROR -- signal error on writing the temporary file. |
---|
619 | ** |
---|
620 | ** Parameters: |
---|
621 | ** tf -- the file pointer for the temporary file. |
---|
622 | ** e -- the current envelope. |
---|
623 | ** |
---|
624 | ** Returns: |
---|
625 | ** none. |
---|
626 | ** |
---|
627 | ** Side Effects: |
---|
628 | ** Gives an error message. |
---|
629 | ** Arranges for following output to go elsewhere. |
---|
630 | */ |
---|
631 | |
---|
632 | void |
---|
633 | tferror(tf, e) |
---|
634 | FILE *volatile tf; |
---|
635 | register ENVELOPE *e; |
---|
636 | { |
---|
637 | setstat(EX_IOERR); |
---|
638 | if (errno == ENOSPC) |
---|
639 | { |
---|
640 | #if STAT64 > 0 |
---|
641 | struct stat64 st; |
---|
642 | #else |
---|
643 | struct stat st; |
---|
644 | #endif |
---|
645 | long avail; |
---|
646 | long bsize; |
---|
647 | extern long freediskspace __P((char *, long *)); |
---|
648 | |
---|
649 | e->e_flags |= EF_NO_BODY_RETN; |
---|
650 | |
---|
651 | if ( |
---|
652 | #if STAT64 > 0 |
---|
653 | fstat64(fileno(tf), &st) |
---|
654 | #else |
---|
655 | fstat(fileno(tf), &st) |
---|
656 | #endif |
---|
657 | < 0) |
---|
658 | st.st_size = 0; |
---|
659 | (void) freopen(queuename(e, 'd'), "w", tf); |
---|
660 | if (st.st_size <= 0) |
---|
661 | fprintf(tf, "\n*** Mail could not be accepted"); |
---|
662 | else if (sizeof st.st_size > sizeof (long)) |
---|
663 | fprintf(tf, "\n*** Mail of at least %s bytes could not be accepted\n", |
---|
664 | quad_to_string(st.st_size)); |
---|
665 | else |
---|
666 | fprintf(tf, "\n*** Mail of at least %lu bytes could not be accepted\n", |
---|
667 | (unsigned long) st.st_size); |
---|
668 | fprintf(tf, "*** at %s due to lack of disk space for temp file.\n", |
---|
669 | MyHostName); |
---|
670 | avail = freediskspace(QueueDir, &bsize); |
---|
671 | if (avail > 0) |
---|
672 | { |
---|
673 | if (bsize > 1024) |
---|
674 | avail *= bsize / 1024; |
---|
675 | else if (bsize < 1024) |
---|
676 | avail /= 1024 / bsize; |
---|
677 | fprintf(tf, "*** Currently, %ld kilobytes are available for mail temp files.\n", |
---|
678 | avail); |
---|
679 | } |
---|
680 | e->e_status = "4.3.1"; |
---|
681 | usrerr("452 Out of disk space for temp file"); |
---|
682 | } |
---|
683 | else |
---|
684 | syserr("collect: Cannot write tf%s", e->e_id); |
---|
685 | if (freopen("/dev/null", "w", tf) == NULL) |
---|
686 | sm_syslog(LOG_ERR, e->e_id, |
---|
687 | "tferror: freopen(\"/dev/null\") failed: %s", |
---|
688 | errstring(errno)); |
---|
689 | } |
---|
690 | /* |
---|
691 | ** EATFROM -- chew up a UNIX style from line and process |
---|
692 | ** |
---|
693 | ** This does indeed make some assumptions about the format |
---|
694 | ** of UNIX messages. |
---|
695 | ** |
---|
696 | ** Parameters: |
---|
697 | ** fm -- the from line. |
---|
698 | ** |
---|
699 | ** Returns: |
---|
700 | ** none. |
---|
701 | ** |
---|
702 | ** Side Effects: |
---|
703 | ** extracts what information it can from the header, |
---|
704 | ** such as the date. |
---|
705 | */ |
---|
706 | |
---|
707 | # ifndef NOTUNIX |
---|
708 | |
---|
709 | char *DowList[] = |
---|
710 | { |
---|
711 | "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat", NULL |
---|
712 | }; |
---|
713 | |
---|
714 | char *MonthList[] = |
---|
715 | { |
---|
716 | "Jan", "Feb", "Mar", "Apr", "May", "Jun", |
---|
717 | "Jul", "Aug", "Sep", "Oct", "Nov", "Dec", |
---|
718 | NULL |
---|
719 | }; |
---|
720 | |
---|
721 | void |
---|
722 | eatfrom(fm, e) |
---|
723 | char *volatile fm; |
---|
724 | register ENVELOPE *e; |
---|
725 | { |
---|
726 | register char *p; |
---|
727 | register char **dt; |
---|
728 | |
---|
729 | if (tTd(30, 2)) |
---|
730 | printf("eatfrom(%s)\n", fm); |
---|
731 | |
---|
732 | /* find the date part */ |
---|
733 | p = fm; |
---|
734 | while (*p != '\0') |
---|
735 | { |
---|
736 | /* skip a word */ |
---|
737 | while (*p != '\0' && *p != ' ') |
---|
738 | p++; |
---|
739 | while (*p == ' ') |
---|
740 | p++; |
---|
741 | if (!(isascii(*p) && isupper(*p)) || |
---|
742 | p[3] != ' ' || p[13] != ':' || p[16] != ':') |
---|
743 | continue; |
---|
744 | |
---|
745 | /* we have a possible date */ |
---|
746 | for (dt = DowList; *dt != NULL; dt++) |
---|
747 | if (strncmp(*dt, p, 3) == 0) |
---|
748 | break; |
---|
749 | if (*dt == NULL) |
---|
750 | continue; |
---|
751 | |
---|
752 | for (dt = MonthList; *dt != NULL; dt++) |
---|
753 | if (strncmp(*dt, &p[4], 3) == 0) |
---|
754 | break; |
---|
755 | if (*dt != NULL) |
---|
756 | break; |
---|
757 | } |
---|
758 | |
---|
759 | if (*p != '\0') |
---|
760 | { |
---|
761 | char *q; |
---|
762 | |
---|
763 | /* we have found a date */ |
---|
764 | q = xalloc(25); |
---|
765 | (void) strncpy(q, p, 25); |
---|
766 | q[24] = '\0'; |
---|
767 | q = arpadate(q); |
---|
768 | define('a', newstr(q), e); |
---|
769 | } |
---|
770 | } |
---|
771 | |
---|
772 | # endif /* NOTUNIX */ |
---|