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1 #define MFDEBUG /* temporarily */
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2 #ifndef lint
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3 static char Id[] = "@(#)$Id$";
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4 #endif
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5
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6 /* qu2uu_send.c - manager for qu --> uu */
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7
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8 #include "util.h"
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9 #include "mmdf.h"
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10
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11 /* */
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12
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13 extern char *qu_msgfile,
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14 sitesignature[],
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15 supportaddr[];
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16
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17 extern struct ll_struct *logptr;
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18
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19
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20 struct rp_construct rp_aend = { /* end of address list */
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21 RP_OK,
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22 'u', 'u', 'c', 'p', ' ', 'e', 'n', 'd', ' ', 'o', 'f', ' ',
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23 'a', 'd', 'd', 'r', ' ', 'l', 'i', 's', 't', NULL
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24 };
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25
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26 struct rp_construct rp_bhost = {/* no such host */
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27 RP_USER,
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28 'b', 'a', 'd', ' ', 'h', 'o', 's', 't', ' ', 'n', 'a', 'm', 'e', NULL
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29 };
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30
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31 struct rp_construct rp_err = { /* error, you lose */
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32 RP_NO,
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33 'u', 'n', 'k', 'n', 'o', 'w', 'n', ' ', 'e', 'r', 'r', 'o', 'r', NULL
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34 };
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35
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36
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37 char *index (), *strdup ();
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38
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39 /* */
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40
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41 qu2uu_send () {
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42 short result;
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43 char info[LINESIZE],
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44 sender[LINESIZE];
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45
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46 #ifdef DEBUG
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47 ll_log (logptr, LLOGBTR, "qu2uu_send ()");
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48 #endif
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49
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50 if (rp_isbad (result = qu_pkinit ()))
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51 return result;
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52 if (rp_isbad (result = uu_sbinit ()))
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53 return result;
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54
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55 while (rp_gval ((result = qu_rinit (info, sender))) == RP_OK) {
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56 #ifdef DEBUG
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57 ll_log (logptr, LLOGGEN, "info=%s sender=%s", info, sender);
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58 #endif
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59 if (rp_isbad (result = qu2uu_each (sender)))
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60 return result;
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61 }
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62
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63 if (rp_gval (result) != RP_DONE) {
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64 ll_log (logptr, LLOGTMP, "not DONE [%s]", rp_valstr (result));
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65 return RP_RPLY;
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66 }
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67
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68 qu_pkend ();
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69 uu_sbend ();
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70
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71 return result;
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72 }
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73
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74 /* */
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75
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76 qu2uu_each (sender)
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77 char *sender;
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78 {
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79 short result;
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80 char adr[LINESIZE],
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81 host[LINESIZE];
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82 RP_Buf replyval;
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83
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84 #ifdef DEBUG
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85 ll_log (logptr, LLOGBTR, "qu2uu_each(sender='%s')", sender);
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86 #endif
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87
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88 mf_rinit (sender, qu_fileno ());
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89
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90 /* */
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91
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92 FOREVER
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93 {
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94 if (rp_isbad (result = qu_radr (host, adr))) {
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95 mf_rend ();
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96 return result;
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97 }
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98 if (rp_gval (result) == RP_DONE) {
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99 qu_wrply ((RP_Buf *) & rp_aend, rp_conlen (rp_aend));
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100 mf_rend ();
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101 return RP_OK;
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102 }
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103
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104 switch (replyval.rp_val = uu_wtadr (host, adr)) {
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105 case RP_OK:
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106 case RP_AOK:
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107 replyval.rp_val = uu_txtcpy ();
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108 break;
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109
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110 case RP_USER:
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111 ll_log (logptr, LLOGFAT, "host (%s) not in table", host);
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112 blt (&rp_bhost, (char *) & replyval, sizeof rp_bhost);
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113 break;
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114
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115 default:
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116 ll_log (logptr, LLOGFAT,
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117 "unknown return from uu_wtadr() [%s]",
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118 rp_valstr (replyval.rp_val));
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119 blt (&rp_err, (char *) & replyval, sizeof rp_err);
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120 replyval.rp_val = RP_NO;
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121 break;
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122 }
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123 if (replyval.rp_val == RP_MOK)
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124 switch (replyval.rp_val = uu_wttend ()) {
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125 case RP_OK:
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126 case RP_MOK:
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127 replyval.rp_line[0] = NULL;
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128 break;
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129
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130 case RP_USER:
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131 case RP_LIO:
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132 ll_log (logptr, LLOGFAT, "host (%s) not in table", host);
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133 blt (&rp_bhost, (char *) & replyval, sizeof rp_bhost);
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134 replyval.rp_val = RP_USER;
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135 break;
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136
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137 default:
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138 ll_log (logptr, LLOGFAT,
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139 "unknown return from uu_wttend() [%s]",
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140 rp_valstr (replyval.rp_val));
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141 blt (&rp_err, (char *) & replyval, sizeof rp_err);
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142 break;
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143 }
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144
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145 qu_wrply (&replyval,
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146 (sizeof replyval.rp_val) + strlen (replyval.rp_line));
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147 }
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148 }
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149
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150 /* */
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151
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152 /* ******************** (mf_) MAIL-FILTERING HANDLING ******************** */
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153
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154 #include "mf.h"
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155
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156
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157 static int mf_fd;
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158
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159 static char mf_from[BUFSIZ];
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160
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161 /* */
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162
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163 int mf_rinit (addr, fd)
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164 char *addr;
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165 int fd;
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166 {
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167 long timenow;
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168 char *sender,
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169 buffer[BUFSIZ];
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170 struct adrx *adrxp;
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171
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172 mf_from[0] = NULL;
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173
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174 if ((mf_fd = mf_get_msg (fd)) == NOTOK) {
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175 adrxp = getadrx (addr);
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176 sender = adrxp -> err ? addr
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177 : lexequ (adrxp -> host, LocalName ())
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178 || lexequ (adrxp -> host, SystemName ()) ? adrxp -> mbox
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179 : sprintf (buffer, "%s@%s", adrxp -> mbox, adrxp -> host);
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180 while (getadrx (NULL))
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181 continue;
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182 sender = strdup (sender);
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183 lowerfy (sender);
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184 sprintf (mf_from, "From %s %.24s remote from %s\n",
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185 sender, ctime (&timenow), SystemName ());
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186 free (sender);
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187 }
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188
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189 return RP_OK;
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190 }
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191
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192 /* */
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193
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194 int mf_rend () {
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195 if (mf_fd != NOTOK)
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196 close (mf_fd);
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197 mf_fd = NOTOK;
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198 mf_from[0] = NULL;
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199
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200 return RP_OK;
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201 }
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202
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203
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204 mf_rtinit (pos)
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205 long pos;
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206 {
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207 if (mf_fd == NOTOK)
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208 qu_rtinit (pos);
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209 else
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210 lseek (mf_fd, (off_t) pos, 0);
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211 }
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212
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213
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214 int mf_rtxt (buffer, len)
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215 char *buffer;
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216 int *len;
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217 {
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218 if (mf_fd == NOTOK)
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219 if (mf_from[0]) {
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220 strcpy (buffer, mf_from);
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221 buffer[*len = strlen (mf_from)] = NULL;
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222 mf_from[0] = NULL;
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223 return RP_OK;
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224 }
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225 else
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226 return qu_rtxt (buffer, len);
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227
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228 switch (*len = read (mf_fd, buffer, BUFSIZE)) {
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229 case NOTOK:
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230 return RP_LIO;
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231
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232 case OK:
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233 return RP_DONE;
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234
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235 default:
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236 buffer[*len] = NULL;
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237 return RP_OK;
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238 }
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239 }
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240
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241 /* */
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242
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243 static int mf_get_msg (md)
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244 int md;
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245 {
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246 int i,
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247 fd,
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248 qd;
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249 char buffer[BUFSIZ],
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250 tmpfil[BUFSIZ];
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251 #ifdef MFDEBUG
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252 FILE * fp;
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253 #endif MFDEBUG
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254
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255 lseek (md, (off_t)0, 0);
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256 if ((qd = dup (md)) == NOTOK)
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257 return NOTOK;
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258
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259 strcpy (tmpfil, "/tmp/qu2uuXXXXXX");
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260 unlink (mktemp (tmpfil));
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261 if ((fd = creat (tmpfil, 0600)) == NOTOK) {
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262 close (qd);
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263 return NOTOK;
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264 }
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265 close (fd);
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266 if ((fd = open (tmpfil, 2)) == NOTOK) {
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267 close (qd);
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268 return NOTOK;
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269 }
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270 unlink (tmpfil);
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271
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272 if ((i = mmdf_to_uucp (qd, fd, TRUE)) != OK) {
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273 close (fd);
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274
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275 sprintf (buffer, "ch_uucp(%d) filtering for %s failed (%d)\n",
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276 getpid (), qu_msgfile, i);
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277 if (ml_1adr (NO, NO, sitesignature, "MF Failure", supportaddr)
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278 != OK)
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279 goto ml_err;
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280 ml_txt (buffer);
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281 #ifdef MFDEBUG
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282 lseek (md, (off_t)0, 0);
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283 if ((fd = dup (md)) == NOTOK)
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284 ml_txt ("unable to dup() descriptor for message copy\n");
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285 else
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286 if ((fp = fdopen (fd, "r")) == NULL) {
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287 ml_txt ("unable to fdopen() descriptor for message copy\n");
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288 close (fd);
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289 }
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290 else {
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291 ml_txt ("\n --Message Follows--\n");
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292 ml_file (fp);
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293 fclose (fp);
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294 }
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295 #endif MFDEBUG
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296 if (ml_end (OK) != OK) {
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297 char *cp;
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298
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299 ml_err: ;
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300 if (cp = index (buffer, '\n'))
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301 *cp = NULL;
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302 ll_log (logptr, LLOGFAT, "Unable to post failure notice");
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303 ll_log (logptr, LLOGFAT, "info: %s", buffer);
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304 }
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305
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306 fd = NOTOK;
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307 }
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308 close (qd);
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309
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310 return fd;
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311 }
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