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1.1 |
/* |
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* This file is part of uudeview, the simple and friendly multi-part multi- |
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1.2 |
* file uudecoder program (c) 1994-2001 by Frank Pilhofer. The author may |
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* be contacted at fp@fpx.de |
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1.1 |
* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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*/ |
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#ifdef HAVE_CONFIG_H |
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#include "config.h" |
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#endif |
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21 |
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#ifdef SYSTEM_WINDLL |
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#include <windows.h> |
23 |
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#endif |
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#ifdef SYSTEM_OS2 |
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#include <os2.h> |
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#endif |
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28 |
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/* |
29 |
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* uucheck.c |
30 |
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* |
31 |
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* Various checking and processing of one input part |
32 |
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**/ |
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34 |
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#include <stdio.h> |
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#include <ctype.h> |
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#include <stdlib.h> |
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#include <string.h> |
38 |
root |
1.33 |
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39 |
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1.1 |
#ifdef HAVE_MALLOC_H |
40 |
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#include <malloc.h> |
41 |
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#endif |
42 |
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#ifdef HAVE_UNISTD_H |
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#include <unistd.h> |
44 |
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#endif |
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#ifdef HAVE_MEMORY_H |
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#include <memory.h> |
47 |
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#endif |
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49 |
root |
1.2 |
#include <uudeview.h> |
50 |
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1.1 |
#include <uuint.h> |
51 |
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#include <fptools.h> |
52 |
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#include <uustring.h> |
53 |
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54 |
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/* |
55 |
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* Arbitrary number. This is the maximum number of part numbers we |
56 |
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* store for our have-parts and missing-parts lists |
57 |
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*/ |
58 |
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59 |
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#define MAXPLIST 256 |
60 |
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61 |
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62 |
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/* |
63 |
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* forward declarations of local functions |
64 |
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*/ |
65 |
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66 |
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static char * UUGetFileName (char *, char *, char *); |
67 |
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static int UUGetPartNo (char *, char **, char **); |
68 |
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69 |
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/* |
70 |
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* State of Scanner function and PreProcessPart |
71 |
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*/ |
72 |
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73 |
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int lastvalid, lastenc, nofnum; |
74 |
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char *uucheck_lastname; |
75 |
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char *uucheck_tempname; |
76 |
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static int lastpart = 0; |
77 |
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static char *nofname = "UNKNOWN"; |
78 |
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79 |
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/* |
80 |
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* special characters we allow an unquoted filename to have |
81 |
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*/ |
82 |
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83 |
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static char *fnchars = "._-~!"; |
84 |
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85 |
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/* |
86 |
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* Policy for extracting a part number from the subject line. |
87 |
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* usually, look for part numbers in () brackets first, then in [] |
88 |
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*/ |
89 |
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90 |
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static char *brackchr[] = { |
91 |
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"()[]", "[]()" |
92 |
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}; |
93 |
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94 |
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/* |
95 |
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* Extract a filename from the subject line. We need anything to identify |
96 |
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1.20 |
* the name of the program for sorting. If a nice filename cannot be found, |
97 |
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1.1 |
* the subject line itself is used |
98 |
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* ptonum is, if not NULL, a pointer to the part number in the subject line, |
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* so that it won't be used as filename. |
100 |
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**/ |
101 |
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static char * |
102 |
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UUGetFileName (char *subject, char *ptonum, char *ptonend) |
103 |
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{ |
104 |
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char *ptr = subject, *iter, *result, *part; |
105 |
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int count, length=0, alflag=0; |
106 |
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107 |
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/* |
108 |
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* If this file has no subject line, assume it is the next part of the |
109 |
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* previous file (this is done in UUPreProcessPart) |
110 |
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**/ |
111 |
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112 |
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if (subject == NULL) |
113 |
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return NULL; |
114 |
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115 |
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/* |
116 |
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* If the subject starts with 'Re', it is ignored |
117 |
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* REPosts or RETries are not ignored! |
118 |
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**/ |
119 |
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120 |
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if (uu_ignreply && |
121 |
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(subject[0] == 'R' || subject[0] == 'r') && |
122 |
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(subject[1] == 'E' || subject[1] == 'e') && |
123 |
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(subject[2] == ':' || subject[2] == ' ')) { |
124 |
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1.6 |
return uu_FileNameCallback ? uu_FileNameCallback(uu_FNCBArg, subject, NULL) : NULL; |
125 |
root |
1.1 |
} |
126 |
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127 |
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/* |
128 |
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* Ignore a "Repost" prefix of the subject line. We don't want to get |
129 |
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* a file named "Repost" :-) |
130 |
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**/ |
131 |
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132 |
root |
1.22 |
if (FP_strnicmp (subject, "repost", 6) == 0) |
133 |
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1.1 |
subject += 6; |
134 |
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1.22 |
if (FP_strnicmp (subject, "re:", 3) == 0) |
135 |
root |
1.1 |
subject += 3; |
136 |
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137 |
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while (*subject == ' ' || *subject == ':') subject++; |
138 |
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139 |
root |
1.22 |
part = FP_stristr (subject, "part"); |
140 |
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1.1 |
if (part == subject) { |
141 |
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subject += 4; |
142 |
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while (*subject == ' ') subject++; |
143 |
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} |
144 |
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145 |
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/* |
146 |
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* If the file was encoded by uuenview, then the filename is enclosed |
147 |
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* in [brackets]. But check what's inside these bracket's, try not to |
148 |
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* fall for something other than a filename |
149 |
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*/ |
150 |
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151 |
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ptr = subject; |
152 |
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while ((iter = strchr (ptr, '[')) != NULL) { |
153 |
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if (strchr (iter, ']') == NULL) { |
154 |
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ptr = iter + 1; |
155 |
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continue; |
156 |
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} |
157 |
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iter++; |
158 |
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while (isspace (*iter)) |
159 |
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iter++; |
160 |
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count = length = alflag = 0; |
161 |
root |
1.20 |
while (iter[count] && |
162 |
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1.1 |
(isalnum (iter[count]) || strchr (fnchars, iter[count])!=NULL)) { |
163 |
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if (isalpha (iter[count])) |
164 |
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alflag++; |
165 |
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count++; |
166 |
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} |
167 |
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if (count<4 || alflag==0) { |
168 |
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ptr = iter + 1; |
169 |
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continue; |
170 |
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} |
171 |
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length = count; |
172 |
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while (isspace (iter[count])) |
173 |
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count++; |
174 |
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if (iter[count] == ']') { |
175 |
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ptr = iter; |
176 |
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break; |
177 |
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} |
178 |
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length = 0; |
179 |
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ptr = iter + 1; |
180 |
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} |
181 |
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182 |
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/* |
183 |
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* new filename detection routine, fists mostly for files by ftp-by-email |
184 |
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* servers that create subject lines with ftp.host.address:/full/path/file |
185 |
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* on them. We look for slashes and take the filename from after the last |
186 |
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* one ... or at least we try to. |
187 |
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*/ |
188 |
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189 |
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if (length == 0) { |
190 |
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ptr = subject; |
191 |
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while ((iter = strchr (ptr, '/')) != NULL) { |
192 |
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if (iter >= ptonum && iter <= ptonend) { |
193 |
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ptr = iter + 1; |
194 |
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continue; |
195 |
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} |
196 |
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count = length = 0; |
197 |
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iter++; |
198 |
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while (iter[count] && |
199 |
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(isalnum(iter[count])||strchr(fnchars, iter[count])!=NULL)) |
200 |
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count++; |
201 |
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if (iter[count] == ' ' && length > 4) { |
202 |
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length = count; |
203 |
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break; |
204 |
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} |
205 |
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ptr = iter + ((count)?count:1); |
206 |
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} |
207 |
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} |
208 |
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209 |
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/* |
210 |
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* Look for two alphanumeric strings separated by a '.' |
211 |
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* (That's most likely a filename) |
212 |
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**/ |
213 |
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214 |
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if (length == 0) { |
215 |
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ptr = subject; |
216 |
root |
1.3 |
/* #warning another experimental change */ |
217 |
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/*while (*ptr && *ptr != 0x0a && *ptr != 0x0d && ptr != part) {*/ |
218 |
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while (*ptr && *ptr != 0x0a && *ptr != 0x0d) { |
219 |
root |
1.1 |
iter = ptr; |
220 |
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count = length = alflag = 0; |
221 |
root |
1.20 |
|
222 |
root |
1.22 |
if (FP_strnicmp (ptr, "ftp", 3) == 0) { |
223 |
root |
1.1 |
/* hey, that's an ftp address */ |
224 |
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while (isalpha (*ptr) || isdigit (*ptr) || *ptr == '.') |
225 |
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ptr++; |
226 |
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continue; |
227 |
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} |
228 |
root |
1.20 |
|
229 |
root |
1.1 |
while ((isalnum(*iter)||strchr(fnchars, *iter)!=NULL|| |
230 |
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*iter=='/') && *iter && iter != ptonum && *iter != '.') { |
231 |
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if (isalpha (*iter)) |
232 |
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alflag = 1; |
233 |
root |
1.20 |
|
234 |
root |
1.1 |
count++; iter++; |
235 |
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} |
236 |
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if (*iter == '\0' || iter == ptonum) { |
237 |
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if (iter == ptonum) |
238 |
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ptr = ptonend; |
239 |
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else |
240 |
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ptr = iter; |
241 |
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242 |
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length = 0; |
243 |
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continue; |
244 |
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} |
245 |
root |
1.3 |
|
246 |
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/* #warning multi-part change experimental, make pluggable */ |
247 |
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/* if (*iter++ != '.' || count > 32 || alflag == 0) { */ |
248 |
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if (*iter++ != '.' || count > 32) { |
249 |
root |
1.1 |
ptr = iter; |
250 |
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length = 0; |
251 |
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continue; |
252 |
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} |
253 |
root |
1.3 |
|
254 |
root |
1.9 |
/* a dot followed by sth. unesthetically doesn't look right */ |
255 |
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if (*iter < '0') { |
256 |
root |
1.3 |
ptr = iter + 1; |
257 |
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length = 0; |
258 |
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continue; |
259 |
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} |
260 |
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261 |
root |
1.22 |
if (FP_strnicmp (iter, "edu", 3) == 0 || |
262 |
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FP_strnicmp (iter, "gov", 3) == 0) { |
263 |
root |
1.1 |
/* hey, that's an ftp address */ |
264 |
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while (isalpha (*iter) || isdigit (*iter) || *iter == '.') |
265 |
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iter++; |
266 |
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ptr = iter; |
267 |
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length = 0; |
268 |
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continue; |
269 |
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} |
270 |
root |
1.20 |
|
271 |
root |
1.1 |
length += count + 1; |
272 |
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count = 0; |
273 |
root |
1.20 |
|
274 |
root |
1.1 |
while ((isalnum(iter[count])||strchr(fnchars, iter[count])!=NULL|| |
275 |
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iter[count]=='/') && iter[count] && iter[count] != '.') |
276 |
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count++; |
277 |
root |
1.20 |
|
278 |
root |
1.1 |
if (iter[count]==':' && iter[count+1]=='/') { |
279 |
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/* looks like stuff from a mail server */ |
280 |
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ptr = iter + 1; |
281 |
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length = 0; |
282 |
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continue; |
283 |
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} |
284 |
root |
1.20 |
|
285 |
root |
1.1 |
if (count > 8 || iter == ptonum) { |
286 |
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ptr = iter; |
287 |
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length = 0; |
288 |
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continue; |
289 |
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} |
290 |
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|
291 |
|
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if (iter[count] != '.') { |
292 |
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length += count; |
293 |
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break; |
294 |
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} |
295 |
root |
1.20 |
|
296 |
root |
1.1 |
while (iter[count] && |
297 |
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(isalnum(iter[count])||strchr(fnchars, iter[count])!=NULL|| |
298 |
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iter[count]=='/')) |
299 |
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count++; |
300 |
root |
1.20 |
|
301 |
root |
1.1 |
if (iter[count]==':' && iter[count+1]=='/') { |
302 |
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/* looks like stuff from a mail server */ |
303 |
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ptr = iter + 1; |
304 |
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length = 0; |
305 |
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continue; |
306 |
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} |
307 |
root |
1.20 |
|
308 |
root |
1.1 |
if (count < 12 && iter != ptonum) { |
309 |
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length += count; |
310 |
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break; |
311 |
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} |
312 |
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|
313 |
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ptr = iter; |
314 |
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length = 0; |
315 |
|
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} |
316 |
|
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} |
317 |
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|
318 |
|
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if (length == 0) { /* No filename found, use subject line for ident */ |
319 |
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ptr = subject; |
320 |
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|
321 |
|
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while (*ptr && !isalpha (*ptr)) |
322 |
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ptr++; |
323 |
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|
324 |
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while ((isalnum(ptr[length])||strchr(fnchars,ptr[length])!=NULL|| |
325 |
root |
1.20 |
ptr[length] == '/') && |
326 |
root |
1.1 |
ptr[length] && ptr+length!=part && ptr+length!=ptonum) |
327 |
|
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length++; |
328 |
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|
329 |
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if (length) { |
330 |
|
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if (ptr[length] == '\0' || ptr[length] == 0x0a || ptr[length] == 0x0d) { |
331 |
|
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length--; |
332 |
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|
333 |
|
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/* |
334 |
|
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* I used to cut off digits from the end of the string, but |
335 |
|
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* let's try to live without. We want to distinguish |
336 |
|
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* DUTCH951 from DUTCH952 |
337 |
|
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* |
338 |
|
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* while ((ptr[length] == ' ' || isdigit (ptr[length])) && length > 0) |
339 |
|
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* length--; |
340 |
|
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*/ |
341 |
|
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} |
342 |
|
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else { |
343 |
|
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length--; |
344 |
|
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|
345 |
|
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while (ptr[length] == ' ' && length > 0) |
346 |
|
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length--; |
347 |
|
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} |
348 |
|
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length++; |
349 |
|
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} |
350 |
|
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} |
351 |
|
|
|
352 |
|
|
if (length == 0) { /* Still found nothing? We need *something*! */ |
353 |
|
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ptr = nofname; |
354 |
|
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length = strlen (nofname); |
355 |
|
|
} |
356 |
|
|
|
357 |
|
|
if ((result = (char *) malloc (length + 1)) == NULL) { |
358 |
|
|
UUMessage (uucheck_id, __LINE__, UUMSG_ERROR, |
359 |
|
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uustring (S_OUT_OF_MEMORY), length+1); |
360 |
|
|
return NULL; |
361 |
|
|
} |
362 |
root |
1.20 |
|
363 |
root |
1.1 |
memcpy (result, ptr, length); |
364 |
|
|
result[length] = '\0'; |
365 |
root |
1.20 |
|
366 |
root |
1.6 |
return uu_FileNameCallback ? uu_FileNameCallback(uu_FNCBArg, subject, result) : result; |
367 |
root |
1.1 |
} |
368 |
|
|
|
369 |
|
|
/* |
370 |
|
|
* Extract the Part Number from the subject line. |
371 |
|
|
* We look first for numbers in (#/#)'s, then for numbers in [#/#]'s |
372 |
|
|
* and then for digits that are not part of a string. |
373 |
|
|
* If we cannot find anything, assume it is the next part of the |
374 |
|
|
* previous file. |
375 |
|
|
* If we find a part number, we put a pointer to it in *where. This is |
376 |
|
|
* done so that the UUGetFileName function doesn't accidentally use the |
377 |
|
|
* part number as the file name. *whend points to the end of this part |
378 |
|
|
* number. |
379 |
|
|
**/ |
380 |
|
|
|
381 |
|
|
static int |
382 |
|
|
UUGetPartNo (char *subject, char **where, char **whend) |
383 |
|
|
{ |
384 |
|
|
char *ptr = subject, *iter, *delim, bdel[2]=" "; |
385 |
|
|
int count, length=0, bpc; |
386 |
|
|
|
387 |
|
|
*where = NULL; bdel[0] = ' '; |
388 |
|
|
*whend = NULL; bdel[1] = '\0'; |
389 |
|
|
|
390 |
|
|
iter = NULL; |
391 |
|
|
delim = ""; |
392 |
|
|
|
393 |
|
|
if (subject == NULL) |
394 |
|
|
return -1; |
395 |
|
|
|
396 |
|
|
if (uu_ignreply && |
397 |
|
|
(subject[0] == 'R' || subject[0] == 'r') && /* Ignore replies, but not */ |
398 |
|
|
(subject[1] == 'E' || subject[1] == 'e') && /* reposts */ |
399 |
|
|
(subject[2] == ':' || subject[2] == ' ')) |
400 |
|
|
return -2; |
401 |
|
|
|
402 |
|
|
/* |
403 |
|
|
* First try numbers in () or [] (or vice versa, according to bracket |
404 |
|
|
* policy) |
405 |
root |
1.7 |
* For multiple occurences, give priority to the bracket with a slash |
406 |
|
|
* or the last one, whichever is "found" first. |
407 |
root |
1.1 |
*/ |
408 |
|
|
|
409 |
|
|
for (bpc=0, length=0; brackchr[uu_bracket_policy][bpc]; bpc+=2) { |
410 |
root |
1.7 |
iter = subject; |
411 |
|
|
length = 0; |
412 |
|
|
while ((iter = strchr (iter, brackchr[uu_bracket_policy][bpc])) != NULL) { |
413 |
|
|
int plength; |
414 |
|
|
|
415 |
|
|
count = 0; iter++; |
416 |
root |
1.1 |
|
417 |
|
|
while (*iter == ' ' || *iter == '#') |
418 |
|
|
iter++; |
419 |
|
|
|
420 |
|
|
if (!isdigit (*iter)) { |
421 |
|
|
continue; |
422 |
|
|
} |
423 |
|
|
while (isdigit (iter[count])) |
424 |
|
|
count++; |
425 |
root |
1.20 |
|
426 |
root |
1.7 |
if (iter[count] == '\0') { |
427 |
|
|
iter += count; |
428 |
root |
1.1 |
break; |
429 |
|
|
} |
430 |
root |
1.7 |
|
431 |
|
|
plength = count; |
432 |
|
|
|
433 |
root |
1.1 |
if (iter[count] == brackchr[uu_bracket_policy][bpc+1]) { |
434 |
|
|
*where = iter; |
435 |
|
|
bdel[0] = brackchr[uu_bracket_policy][bpc+1]; |
436 |
|
|
delim = bdel; |
437 |
root |
1.7 |
length = plength; |
438 |
|
|
continue; |
439 |
root |
1.1 |
} |
440 |
root |
1.7 |
|
441 |
root |
1.1 |
while (iter[count] == ' ' || iter[count] == '#' || |
442 |
|
|
iter[count] == '/' || iter[count] == '\\') count++; |
443 |
root |
1.20 |
|
444 |
root |
1.22 |
if (FP_strnicmp (iter + count, "of", 2) == 0) |
445 |
root |
1.1 |
count += 2; |
446 |
root |
1.20 |
|
447 |
root |
1.1 |
while (iter[count] == ' ') count++; |
448 |
|
|
while (isdigit (iter[count])) count++; |
449 |
|
|
while (iter[count] == ' ') count++; |
450 |
root |
1.20 |
|
451 |
root |
1.1 |
if (iter[count] == brackchr[uu_bracket_policy][bpc+1]) { |
452 |
|
|
*where = iter; |
453 |
|
|
bdel[0] = brackchr[uu_bracket_policy][bpc+1]; |
454 |
|
|
delim = bdel; |
455 |
root |
1.7 |
length = plength; |
456 |
root |
1.1 |
break; |
457 |
|
|
} |
458 |
|
|
} |
459 |
|
|
if (length) |
460 |
root |
1.7 |
{ |
461 |
|
|
iter = *where; /* strange control flow, but less changes == less hassle */ |
462 |
|
|
break; |
463 |
|
|
} |
464 |
root |
1.1 |
} |
465 |
|
|
|
466 |
|
|
/* |
467 |
|
|
* look for the string "part " followed by a number |
468 |
|
|
*/ |
469 |
|
|
|
470 |
|
|
if (length == 0) { |
471 |
root |
1.22 |
if ((iter = FP_stristr (subject, "part ")) != NULL) { |
472 |
root |
1.1 |
iter += 5; |
473 |
|
|
|
474 |
|
|
while (isspace (*iter) || *iter == '.' || *iter == '-') |
475 |
|
|
iter++; |
476 |
|
|
|
477 |
|
|
while (isdigit (iter[length])) |
478 |
|
|
length++; |
479 |
|
|
|
480 |
|
|
if (length == 0) { |
481 |
root |
1.22 |
if (FP_strnicmp (iter, "one", 3) == 0) length = 1; |
482 |
|
|
else if (FP_strnicmp (iter, "two", 3) == 0) length = 2; |
483 |
|
|
else if (FP_strnicmp (iter, "three", 5) == 0) length = 3; |
484 |
|
|
else if (FP_strnicmp (iter, "four", 4) == 0) length = 4; |
485 |
|
|
else if (FP_strnicmp (iter, "five", 4) == 0) length = 5; |
486 |
|
|
else if (FP_strnicmp (iter, "six", 3) == 0) length = 6; |
487 |
|
|
else if (FP_strnicmp (iter, "seven", 5) == 0) length = 7; |
488 |
|
|
else if (FP_strnicmp (iter, "eight", 5) == 0) length = 8; |
489 |
|
|
else if (FP_strnicmp (iter, "nine", 4) == 0) length = 9; |
490 |
|
|
else if (FP_strnicmp (iter, "ten", 3) == 0) length = 10; |
491 |
root |
1.1 |
|
492 |
|
|
if (length && (*whend = strchr (iter, ' '))) { |
493 |
|
|
*where = iter; |
494 |
|
|
return length; |
495 |
|
|
} |
496 |
|
|
else |
497 |
|
|
length = 0; |
498 |
|
|
} |
499 |
|
|
else { |
500 |
|
|
*where = iter; |
501 |
|
|
delim = "of"; |
502 |
|
|
} |
503 |
|
|
} |
504 |
|
|
} |
505 |
|
|
|
506 |
|
|
/* |
507 |
|
|
* look for the string "part" followed by a number |
508 |
|
|
*/ |
509 |
|
|
|
510 |
|
|
if (length == 0) { |
511 |
root |
1.22 |
if ((iter = FP_stristr (subject, "part")) != NULL) { |
512 |
root |
1.1 |
iter += 4; |
513 |
|
|
|
514 |
|
|
while (isspace (*iter) || *iter == '.' || *iter == '-') |
515 |
|
|
iter++; |
516 |
|
|
|
517 |
|
|
while (isdigit (iter[length])) |
518 |
|
|
length++; |
519 |
|
|
|
520 |
|
|
if (length == 0) { |
521 |
root |
1.22 |
if (FP_strnicmp (iter, "one", 3) == 0) length = 1; |
522 |
|
|
else if (FP_strnicmp (iter, "two", 3) == 0) length = 2; |
523 |
|
|
else if (FP_strnicmp (iter, "three", 5) == 0) length = 3; |
524 |
|
|
else if (FP_strnicmp (iter, "four", 4) == 0) length = 4; |
525 |
|
|
else if (FP_strnicmp (iter, "five", 4) == 0) length = 5; |
526 |
|
|
else if (FP_strnicmp (iter, "six", 3) == 0) length = 6; |
527 |
|
|
else if (FP_strnicmp (iter, "seven", 5) == 0) length = 7; |
528 |
|
|
else if (FP_strnicmp (iter, "eight", 5) == 0) length = 8; |
529 |
|
|
else if (FP_strnicmp (iter, "nine", 4) == 0) length = 9; |
530 |
|
|
else if (FP_strnicmp (iter, "ten", 3) == 0) length = 10; |
531 |
root |
1.1 |
|
532 |
|
|
if (length && (*whend = strchr (iter, ' '))) { |
533 |
|
|
*where = iter; |
534 |
|
|
return length; |
535 |
|
|
} |
536 |
|
|
else |
537 |
|
|
length = 0; |
538 |
|
|
} |
539 |
|
|
else { |
540 |
|
|
*where = iter; |
541 |
|
|
delim = "of"; |
542 |
|
|
} |
543 |
|
|
} |
544 |
|
|
} |
545 |
|
|
|
546 |
|
|
/* |
547 |
|
|
* look for [0-9]* "of" [0-9]* |
548 |
|
|
*/ |
549 |
|
|
|
550 |
|
|
if (length == 0) { |
551 |
root |
1.22 |
if ((iter = FP_strirstr (subject, "of")) != NULL) { |
552 |
root |
1.1 |
while (iter>subject && isspace (*(iter-1))) |
553 |
|
|
iter--; |
554 |
|
|
if (isdigit(*(iter-1))) { |
555 |
|
|
while (iter>subject && isdigit (*(iter-1))) |
556 |
|
|
iter--; |
557 |
|
|
if (!isdigit (*iter) && !isalpha (*iter) && *iter != '.') |
558 |
|
|
iter++; |
559 |
|
|
ptr = iter; |
560 |
|
|
|
561 |
|
|
while (isdigit (*ptr)) { |
562 |
|
|
ptr++; length++; |
563 |
|
|
} |
564 |
|
|
*where = iter; |
565 |
|
|
delim = "of"; |
566 |
|
|
} |
567 |
|
|
} |
568 |
|
|
} |
569 |
|
|
|
570 |
|
|
/* |
571 |
|
|
* look for whitespace-separated (or '/'-separated) digits |
572 |
|
|
*/ |
573 |
|
|
|
574 |
|
|
if (length == 0) { |
575 |
|
|
ptr = subject; |
576 |
|
|
|
577 |
|
|
while (*ptr && length==0) { |
578 |
|
|
while (*ptr && !isdigit (*ptr)) |
579 |
|
|
ptr++; |
580 |
|
|
if (isdigit (*ptr) && (ptr==subject || *ptr==' ' || *ptr=='/')) { |
581 |
|
|
while (isdigit (ptr[length])) |
582 |
|
|
length++; |
583 |
|
|
if (ptr[length]!='\0' && ptr[length]!=' ' && ptr[length]!='/') { |
584 |
|
|
ptr += length; |
585 |
|
|
length = 0; |
586 |
|
|
} |
587 |
|
|
else { |
588 |
|
|
iter = ptr; |
589 |
|
|
bdel[0] = ptr[length]; |
590 |
|
|
delim = bdel; |
591 |
|
|
} |
592 |
|
|
} |
593 |
|
|
else { |
594 |
|
|
while (isdigit (*ptr)) |
595 |
|
|
ptr++; |
596 |
|
|
} |
597 |
|
|
} |
598 |
|
|
} |
599 |
|
|
|
600 |
|
|
/* |
601 |
|
|
* look for _any_ digits -- currently disabled, because it also fell |
602 |
|
|
* for "part numbers" in file names |
603 |
|
|
*/ |
604 |
|
|
|
605 |
|
|
#if 0 |
606 |
|
|
if (length == 0) { |
607 |
|
|
count = strlen(subject) - 1; |
608 |
|
|
ptr = subject; |
609 |
root |
1.20 |
|
610 |
root |
1.1 |
while (count > 0) { |
611 |
|
|
if (!isdigit(ptr[count])||isalpha(ptr[count+1])||ptr[count+1] == '.') { |
612 |
|
|
count--; |
613 |
|
|
continue; |
614 |
|
|
} |
615 |
|
|
length = 0; |
616 |
|
|
|
617 |
|
|
while (count >= 0 && isdigit (ptr[count])) { |
618 |
|
|
count--; length++; |
619 |
|
|
} |
620 |
root |
1.20 |
if (count>=0 && ((isalpha (ptr[count]) && |
621 |
root |
1.1 |
(ptr[count] != 's' || ptr[count+1] != 't') && |
622 |
root |
1.20 |
(ptr[count] != 'n' || ptr[count+1] != 'd')) || |
623 |
|
|
ptr[count] == '/' || ptr[count] == '.' || |
624 |
root |
1.1 |
ptr[count] == '-' || ptr[count] == '_')) { |
625 |
|
|
length = 0; |
626 |
|
|
continue; |
627 |
|
|
} |
628 |
|
|
count++; |
629 |
|
|
iter = ptr + count; |
630 |
|
|
|
631 |
|
|
if (length > 4) { |
632 |
|
|
length = 0; |
633 |
|
|
continue; |
634 |
|
|
} |
635 |
|
|
*where = iter; |
636 |
|
|
delim = "of"; |
637 |
|
|
break; |
638 |
|
|
} |
639 |
|
|
} |
640 |
|
|
#endif |
641 |
|
|
|
642 |
|
|
/* |
643 |
|
|
* look for part numbering as string |
644 |
|
|
*/ |
645 |
|
|
|
646 |
|
|
if (length == 0) { |
647 |
|
|
/* |
648 |
|
|
* some people use the strangest things, including spelling mistakes :-) |
649 |
|
|
*/ |
650 |
root |
1.22 |
if ((iter = FP_stristr (subject, "first")) != NULL) length = 1; |
651 |
|
|
else if ((iter = FP_stristr (subject, "second")) != NULL) length = 2; |
652 |
|
|
else if ((iter = FP_stristr (subject, "third")) != NULL) length = 3; |
653 |
|
|
else if ((iter = FP_stristr (subject, "forth")) != NULL) length = 4; |
654 |
|
|
else if ((iter = FP_stristr (subject, "fourth")) != NULL) length = 4; |
655 |
|
|
else if ((iter = FP_stristr (subject, "fifth")) != NULL) length = 5; |
656 |
|
|
else if ((iter = FP_stristr (subject, "sixth")) != NULL) length = 6; |
657 |
|
|
else if ((iter = FP_stristr (subject, "seventh")) != NULL) length = 7; |
658 |
|
|
else if ((iter = FP_stristr (subject, "eigth")) != NULL) length = 8; |
659 |
|
|
else if ((iter = FP_stristr (subject, "eighth")) != NULL) length = 8; |
660 |
|
|
else if ((iter = FP_stristr (subject, "nineth")) != NULL) length = 9; |
661 |
|
|
else if ((iter = FP_stristr (subject, "ninth")) != NULL) length = 9; |
662 |
|
|
else if ((iter = FP_stristr (subject, "tenth")) != NULL) length = 10; |
663 |
root |
1.1 |
else iter = NULL; |
664 |
|
|
|
665 |
|
|
if (length && iter && (*whend = strchr (iter, ' '))) { |
666 |
|
|
*where = iter; |
667 |
|
|
return length; |
668 |
|
|
} |
669 |
|
|
else |
670 |
|
|
length = 0; |
671 |
|
|
} |
672 |
|
|
|
673 |
|
|
if (iter == NULL || length == 0) /* should be equivalent */ |
674 |
|
|
return -1; |
675 |
|
|
|
676 |
|
|
*where = iter; |
677 |
|
|
|
678 |
|
|
if (delim && delim[0]) { |
679 |
root |
1.22 |
if ((*whend=FP_stristr (iter, delim)) != NULL && (*whend - *where) < 12) { |
680 |
root |
1.1 |
ptr = (*whend += strlen (delim)); |
681 |
|
|
|
682 |
|
|
while (*ptr == ' ') |
683 |
|
|
ptr++; |
684 |
|
|
|
685 |
|
|
if (isdigit (*ptr)) { |
686 |
|
|
*whend = ptr; |
687 |
|
|
while (isdigit (**whend)) |
688 |
|
|
*whend += 1; |
689 |
|
|
} |
690 |
|
|
} |
691 |
|
|
else { |
692 |
|
|
*whend = iter + length; |
693 |
|
|
} |
694 |
|
|
} |
695 |
|
|
else { |
696 |
|
|
*whend = iter + length; |
697 |
|
|
} |
698 |
|
|
|
699 |
|
|
return atoi (iter); |
700 |
|
|
} |
701 |
|
|
|
702 |
|
|
/* |
703 |
|
|
* Obtain and process some information about the data. |
704 |
|
|
**/ |
705 |
|
|
|
706 |
|
|
uufile * |
707 |
|
|
UUPreProcessPart (fileread *data, int *ret) |
708 |
|
|
{ |
709 |
|
|
char *where, *whend, temp[80], *ptr, *p2; |
710 |
|
|
uufile *result; |
711 |
|
|
|
712 |
|
|
if ((result = (uufile *) malloc (sizeof (uufile))) == NULL) { |
713 |
|
|
UUMessage (uucheck_id, __LINE__, UUMSG_ERROR, |
714 |
|
|
uustring (S_OUT_OF_MEMORY), sizeof (uufile)); |
715 |
|
|
*ret = UURET_NOMEM; |
716 |
|
|
return NULL; |
717 |
|
|
} |
718 |
|
|
memset (result, 0, sizeof (uufile)); |
719 |
|
|
|
720 |
|
|
if (data->partno) { |
721 |
|
|
where = whend = NULL; |
722 |
|
|
result->partno = data->partno; |
723 |
|
|
} |
724 |
|
|
else if (uu_dumbness) { |
725 |
|
|
result->partno = -1; |
726 |
|
|
where = whend = NULL; |
727 |
|
|
} |
728 |
|
|
else if ((result->partno=UUGetPartNo(data->subject,&where,&whend)) == -2) { |
729 |
|
|
*ret = UURET_NODATA; |
730 |
|
|
UUkillfile (result); |
731 |
|
|
return NULL; |
732 |
|
|
} |
733 |
|
|
|
734 |
|
|
if (data->filename != NULL) { |
735 |
root |
1.22 |
if ((result->filename = FP_strdup (data->filename)) == NULL) { |
736 |
root |
1.1 |
UUMessage (uucheck_id, __LINE__, UUMSG_ERROR, |
737 |
|
|
uustring (S_OUT_OF_MEMORY), |
738 |
|
|
strlen (data->filename)+1); |
739 |
|
|
*ret = UURET_NOMEM; |
740 |
|
|
UUkillfile (result); |
741 |
|
|
return NULL; |
742 |
|
|
} |
743 |
|
|
} |
744 |
|
|
else |
745 |
|
|
result->filename = NULL; |
746 |
|
|
|
747 |
|
|
if (uu_dumbness <= 1) |
748 |
root |
1.32 |
result->subfname = data->uudet == YENC_ENCODED |
749 |
|
|
? FP_strdup (data->filename) |
750 |
|
|
: UUGetFileName (data->subject, where, whend); |
751 |
root |
1.1 |
else |
752 |
|
|
result->subfname = NULL; |
753 |
|
|
|
754 |
root |
1.15 |
result->yefilesize = data->yefilesize; |
755 |
root |
1.22 |
result->mimeid = FP_strdup (data->mimeid); |
756 |
|
|
result->mimetype = FP_strdup (data->mimetype); |
757 |
root |
1.1 |
|
758 |
root |
1.20 |
if (result->partno == -1 && |
759 |
root |
1.1 |
(data->uudet == PT_ENCODED || data->uudet == QP_ENCODED)) |
760 |
|
|
result->partno = 1; |
761 |
|
|
|
762 |
|
|
if (data->flags & FL_SINGLE) { |
763 |
|
|
/* |
764 |
|
|
* Don't touch this part. But it should really have a filename |
765 |
|
|
*/ |
766 |
|
|
if (result->filename == NULL) { |
767 |
|
|
sprintf (temp, "%s.%03d", nofname, ++nofnum); |
768 |
root |
1.22 |
result->filename = FP_strdup (temp); |
769 |
root |
1.1 |
} |
770 |
|
|
if (result->subfname == NULL) |
771 |
root |
1.22 |
result->subfname = FP_strdup (result->filename); |
772 |
root |
1.1 |
|
773 |
root |
1.20 |
if (result->filename == NULL || |
774 |
root |
1.1 |
result->subfname == NULL) { |
775 |
|
|
UUMessage (uucheck_id, __LINE__, UUMSG_ERROR, |
776 |
|
|
uustring (S_OUT_OF_MEMORY), |
777 |
|
|
(result->filename==NULL)? |
778 |
|
|
(strlen(temp)+1):(strlen(result->filename)+1)); |
779 |
|
|
*ret = UURET_NOMEM; |
780 |
|
|
UUkillfile(result); |
781 |
|
|
return NULL; |
782 |
|
|
} |
783 |
|
|
if (result->partno == -1) |
784 |
|
|
result->partno = 1; |
785 |
|
|
} |
786 |
|
|
else if (result->subfname == NULL && data->uudet && |
787 |
root |
1.20 |
(data->begin || result->partno == 1 || |
788 |
|
|
(!uu_dumbness && result->partno == -1 && |
789 |
root |
1.1 |
(data->subject != NULL || result->filename != NULL)))) { |
790 |
|
|
/* |
791 |
|
|
* If it's the first part of something and has some valid data, but |
792 |
|
|
* no subject or anything, initialize lastvalid |
793 |
|
|
*/ |
794 |
|
|
/* |
795 |
|
|
* in this case, it really _should_ have a filename somewhere |
796 |
|
|
*/ |
797 |
root |
1.8 |
if (result->filename != NULL && *result->filename) |
798 |
root |
1.22 |
result->subfname = FP_strdup (result->filename); |
799 |
root |
1.1 |
else { /* if not, escape to UNKNOWN. We need to fill subfname */ |
800 |
|
|
sprintf (temp, "%s.%03d", nofname, ++nofnum); |
801 |
root |
1.22 |
result->subfname = FP_strdup (temp); |
802 |
root |
1.1 |
} |
803 |
|
|
/* |
804 |
|
|
* in case the strdup failed |
805 |
|
|
*/ |
806 |
|
|
if (result->subfname == NULL) { |
807 |
|
|
UUMessage (uucheck_id, __LINE__, UUMSG_ERROR, |
808 |
|
|
uustring (S_OUT_OF_MEMORY), |
809 |
|
|
(result->filename)? |
810 |
|
|
(strlen(result->filename)+1):(strlen(temp)+1)); |
811 |
|
|
*ret = UURET_NOMEM; |
812 |
|
|
UUkillfile (result); |
813 |
|
|
return NULL; |
814 |
|
|
} |
815 |
|
|
/* |
816 |
|
|
* if it's also got an 'end', or is the last part in a MIME-Mail, |
817 |
|
|
* then don't set lastvalid |
818 |
|
|
*/ |
819 |
|
|
if (!data->end && (!data->partno || data->partno != data->maxpno)) { |
820 |
|
|
/* |
821 |
|
|
* initialize lastvalid |
822 |
|
|
*/ |
823 |
|
|
lastvalid = 1; |
824 |
|
|
lastenc = data->uudet; |
825 |
|
|
lastpart = result->partno = 1; |
826 |
root |
1.22 |
FP_strncpy (uucheck_lastname, result->subfname, 256); |
827 |
root |
1.1 |
} |
828 |
|
|
else |
829 |
|
|
result->partno = 1; |
830 |
|
|
} |
831 |
|
|
else if (result->subfname == NULL && data->uudet && data->mimeid) { |
832 |
|
|
/* |
833 |
|
|
* if it's got a file name, use it. Else use the mime-id for identifying |
834 |
|
|
* this part, and hope there's no other files encoded in the same message |
835 |
|
|
* under the same id. |
836 |
|
|
*/ |
837 |
|
|
if (result->filename) |
838 |
root |
1.22 |
result->subfname = FP_strdup (result->filename); |
839 |
root |
1.1 |
else |
840 |
root |
1.22 |
result->subfname = FP_strdup (result->mimeid); |
841 |
root |
1.1 |
} |
842 |
|
|
else if (result->subfname == NULL && data->uudet) { |
843 |
|
|
/* |
844 |
|
|
* ff we have lastvalid, use it. Make an exception for |
845 |
|
|
* Base64-encoded files. |
846 |
|
|
*/ |
847 |
|
|
if (data->uudet == B64ENCODED) { |
848 |
|
|
/* |
849 |
|
|
* Assume it's the first part. I wonder why it's got no part number? |
850 |
|
|
*/ |
851 |
root |
1.8 |
if (result->filename != NULL && *result->filename) |
852 |
root |
1.22 |
result->subfname = FP_strdup (result->filename); |
853 |
root |
1.1 |
else { /* if not, escape to UNKNOWN. We need to fill subfname */ |
854 |
|
|
sprintf (temp, "%s.%03d", nofname, ++nofnum); |
855 |
root |
1.22 |
result->subfname = FP_strdup (temp); |
856 |
root |
1.1 |
} |
857 |
|
|
if (result->subfname == NULL) { |
858 |
|
|
UUMessage (uucheck_id, __LINE__, UUMSG_ERROR, |
859 |
|
|
uustring (S_OUT_OF_MEMORY), |
860 |
|
|
(result->filename)? |
861 |
|
|
(strlen(result->filename)+1):(strlen(temp)+1)); |
862 |
|
|
*ret = UURET_NOMEM; |
863 |
|
|
UUkillfile (result); |
864 |
|
|
return NULL; |
865 |
|
|
} |
866 |
|
|
lastvalid = 0; |
867 |
|
|
} |
868 |
root |
1.4 |
else if (lastvalid && data->uudet == lastenc && result->partno == -1) { |
869 |
root |
1.22 |
result->subfname = FP_strdup (uucheck_lastname); |
870 |
root |
1.1 |
result->partno = ++lastpart; |
871 |
|
|
|
872 |
|
|
/* |
873 |
|
|
* if it's the last part, invalidate lastvalid |
874 |
|
|
*/ |
875 |
|
|
if (data->end || (data->partno && data->partno == data->maxpno)) |
876 |
|
|
lastvalid = 0; |
877 |
root |
1.4 |
} |
878 |
|
|
else if (data->partno != -1 && result->filename) { |
879 |
root |
1.22 |
result->subfname = FP_strdup (result->filename); |
880 |
root |
1.1 |
} |
881 |
root |
1.20 |
else { |
882 |
|
|
/* |
883 |
root |
1.1 |
* it's got no info, it's got no begin, and we don't know anything |
884 |
|
|
* about this part. Let's forget all about it. |
885 |
|
|
*/ |
886 |
|
|
*ret = UURET_NODATA; |
887 |
|
|
UUkillfile (result); |
888 |
|
|
return NULL; |
889 |
|
|
} |
890 |
|
|
} |
891 |
|
|
else if (result->subfname == NULL && result->partno == -1) { |
892 |
|
|
/* |
893 |
|
|
* This, too, is a part without any useful information that we |
894 |
|
|
* should forget about. |
895 |
|
|
*/ |
896 |
|
|
*ret = UURET_NODATA; |
897 |
|
|
UUkillfile (result); |
898 |
|
|
return NULL; |
899 |
|
|
} |
900 |
|
|
else if (result->subfname == NULL) { |
901 |
|
|
/* |
902 |
|
|
* This is a part without useful subject name, a valid part number |
903 |
|
|
* but no encoded data. It *could* be the zeroeth part of something, |
904 |
|
|
* but we don't care here. Just forget it. |
905 |
|
|
*/ |
906 |
|
|
*ret = UURET_NODATA; |
907 |
|
|
UUkillfile (result); |
908 |
|
|
return NULL; |
909 |
|
|
} |
910 |
|
|
|
911 |
|
|
/* |
912 |
|
|
* now, handle some cases where we have a useful subject but no |
913 |
|
|
* useful part number |
914 |
|
|
*/ |
915 |
|
|
|
916 |
|
|
if (result->partno == -1 && data->begin) { |
917 |
|
|
/* |
918 |
root |
1.20 |
* hmm, this is reason enough to initialize lastvalid, at least |
919 |
root |
1.1 |
* if we have no end |
920 |
|
|
*/ |
921 |
|
|
if (!data->end) { |
922 |
root |
1.22 |
FP_strncpy (uucheck_lastname, result->subfname, 256); |
923 |
root |
1.1 |
result->partno = lastpart = 1; |
924 |
|
|
lastenc = data->uudet; |
925 |
|
|
lastvalid = 1; |
926 |
|
|
} |
927 |
|
|
else |
928 |
|
|
result->partno = 1; |
929 |
|
|
} |
930 |
|
|
else if (result->partno == -1 && data->uudet) { |
931 |
root |
1.22 |
if (lastvalid && FP_stricmp (uucheck_lastname, result->subfname) == 0) { |
932 |
root |
1.1 |
/* |
933 |
|
|
* if the subject filename is the same as last time, use part no |
934 |
|
|
* of lastvalid. If at end, invalidate lastvalid |
935 |
|
|
*/ |
936 |
|
|
result->partno = ++lastpart; |
937 |
|
|
|
938 |
|
|
if (data->end) |
939 |
|
|
lastvalid = 0; |
940 |
|
|
} |
941 |
|
|
else { |
942 |
|
|
/* |
943 |
|
|
* data but no part no. It's something UUInsertPartToList() should |
944 |
|
|
* handle |
945 |
|
|
*/ |
946 |
|
|
goto skipcheck; |
947 |
|
|
} |
948 |
|
|
} |
949 |
|
|
else if (result->partno == -1) { |
950 |
|
|
/* |
951 |
|
|
* it's got no data, so why should we need this one anyway? |
952 |
|
|
*/ |
953 |
|
|
*ret = UURET_NODATA; |
954 |
|
|
UUkillfile (result); |
955 |
|
|
return NULL; |
956 |
|
|
} |
957 |
|
|
|
958 |
|
|
/* |
959 |
|
|
* at this point, the part should have a valid subfname and a valid |
960 |
|
|
* part number. If it doesn't, then fail. |
961 |
|
|
*/ |
962 |
|
|
if (result->subfname == NULL || result->partno == -1) { |
963 |
|
|
*ret = UURET_NODATA; |
964 |
|
|
UUkillfile (result); |
965 |
|
|
return NULL; |
966 |
|
|
} |
967 |
|
|
|
968 |
|
|
skipcheck: |
969 |
|
|
|
970 |
|
|
if (result->filename) { |
971 |
root |
1.22 |
if (*(ptr = FP_cutdir (result->filename))) { |
972 |
|
|
p2 = FP_strdup (ptr); |
973 |
|
|
FP_free (result->filename); |
974 |
root |
1.1 |
result->filename = p2; |
975 |
|
|
} |
976 |
|
|
} |
977 |
|
|
|
978 |
|
|
result->data = data; |
979 |
|
|
result->NEXT = NULL; |
980 |
|
|
|
981 |
|
|
*ret = UURET_OK; |
982 |
|
|
|
983 |
|
|
return result; |
984 |
|
|
} |
985 |
|
|
|
986 |
|
|
/* |
987 |
|
|
* Insert one part of a file into the global list |
988 |
|
|
**/ |
989 |
|
|
|
990 |
root |
1.29 |
ecb_hot int |
991 |
root |
1.1 |
UUInsertPartToList (uufile *data) |
992 |
|
|
{ |
993 |
|
|
uulist *iter = UUGlobalFileList, *unew; |
994 |
|
|
uufile *fiter, *last; |
995 |
|
|
|
996 |
root |
1.25 |
uint32_t mimeid_hash = fnv1a (data->mimeid); |
997 |
|
|
uint32_t filename_hash = fnv1a (data->filename); |
998 |
|
|
|
999 |
|
|
/* cache locally so the compiler has it easier to reason */ |
1000 |
|
|
fileread *data_data = data->data; |
1001 |
|
|
|
1002 |
root |
1.1 |
/* |
1003 |
root |
1.27 |
* Part belongs together, if either |
1004 |
root |
1.25 |
* (1) The file name received from the subject lines match, and |
1005 |
root |
1.8 |
* (a) Not both parts have a begin line |
1006 |
|
|
* (b) Not both parts have an end line |
1007 |
|
|
* (c) Both parts don't have different MIME-IDs |
1008 |
|
|
* (d) Both parts don't encode different files |
1009 |
|
|
* (e) The other part wants to stay alone (FL_SINGLE) |
1010 |
root |
1.15 |
* (g) The yencode file size matches. |
1011 |
root |
1.27 |
* (2) The MIME-IDs match |
1012 |
root |
1.1 |
*/ |
1013 |
|
|
|
1014 |
root |
1.28 |
/* TODO: use two hash tables, keyed on filename and mimeid */ |
1015 |
root |
1.31 |
/* unfortunately, its not so easy, as lots of code inserts in interesting ways, */ |
1016 |
|
|
/* so I tried to conventionally speed up the search by replacing strcmp with */ |
1017 |
|
|
/* hash comparisons, reordering and prefetching struct members and so on */ |
1018 |
root |
1.25 |
|
1019 |
root |
1.1 |
/* |
1020 |
|
|
* check if this part wants to be left alone. If so, don't bother |
1021 |
|
|
* to do all the checks |
1022 |
|
|
*/ |
1023 |
root |
1.25 |
if (data_data->flags & FL_SINGLE) |
1024 |
|
|
goto newpart; |
1025 |
root |
1.1 |
|
1026 |
|
|
while (iter) { |
1027 |
root |
1.30 |
ecb_prefetch (iter->NEXT, 0, 1); |
1028 |
root |
1.25 |
if ( |
1029 |
|
|
( |
1030 |
|
|
1 |
1031 |
|
|
&& filename_hash == iter->filename_hash |
1032 |
|
|
&& (data->filename && iter->filename && strcmp (data->filename, iter->filename) == 0) |
1033 |
|
|
&& !(iter->begin && data_data->begin) |
1034 |
|
|
&& !(iter->end && data_data->end) |
1035 |
|
|
&& !(iter->flags & FL_SINGLE) |
1036 |
|
|
&& !(iter->thisfile && iter->thisfile->yefilesize != data->yefilesize) |
1037 |
|
|
&& FP_stricmp (data->subfname, iter->subfname) == 0 |
1038 |
|
|
&& mimeid_hash == iter->mimeid_hash |
1039 |
|
|
&& !(data->mimeid && iter->mimeid && strcmp (data->mimeid, iter->mimeid) != 0) |
1040 |
|
|
) |
1041 |
|
|
|| (mimeid_hash == iter->mimeid_hash && data->mimeid && iter->mimeid && strcmp (data->mimeid, iter->mimeid) == 0) |
1042 |
|
|
) { |
1043 |
root |
1.1 |
|
1044 |
|
|
/* |
1045 |
root |
1.8 |
* Don't insert a part that is already there. |
1046 |
|
|
* |
1047 |
|
|
* Also don't add a part beyond the "end" marker (unless we |
1048 |
|
|
* have a mimeid, which screws up the marker). |
1049 |
root |
1.1 |
*/ |
1050 |
|
|
|
1051 |
root |
1.8 |
for (fiter=iter->thisfile; fiter; fiter=fiter->NEXT) { |
1052 |
|
|
if (data->partno == fiter->partno) |
1053 |
|
|
goto goahead; |
1054 |
|
|
if (!iter->mimeid) { |
1055 |
|
|
if (data->partno > fiter->partno && fiter->data->end) { |
1056 |
|
|
goto goahead; |
1057 |
|
|
} |
1058 |
|
|
} |
1059 |
|
|
} |
1060 |
root |
1.1 |
|
1061 |
|
|
if (iter->filename == NULL && data->filename != NULL) { |
1062 |
root |
1.22 |
if ((iter->filename = FP_strdup (data->filename)) == NULL) |
1063 |
root |
1.1 |
return UURET_NOMEM; |
1064 |
|
|
} |
1065 |
|
|
|
1066 |
|
|
/* |
1067 |
|
|
* special case when we might have tagged a part as Base64 when the |
1068 |
|
|
* file was really XX |
1069 |
|
|
*/ |
1070 |
|
|
|
1071 |
root |
1.25 |
if (data_data->uudet == B64ENCODED && |
1072 |
root |
1.1 |
iter->uudet == XX_ENCODED && iter->begin) { |
1073 |
root |
1.25 |
data_data->uudet = XX_ENCODED; |
1074 |
root |
1.1 |
} |
1075 |
root |
1.25 |
else if (data_data->uudet == XX_ENCODED && data_data->begin && |
1076 |
root |
1.1 |
iter->uudet == B64ENCODED) { |
1077 |
|
|
iter->uudet = XX_ENCODED; |
1078 |
|
|
|
1079 |
|
|
fiter = iter->thisfile; |
1080 |
|
|
while (fiter) { |
1081 |
|
|
fiter->data->uudet = XX_ENCODED; |
1082 |
|
|
fiter = fiter->NEXT; |
1083 |
|
|
} |
1084 |
|
|
} |
1085 |
|
|
|
1086 |
|
|
/* |
1087 |
|
|
* If this is from a Message/Partial, we believe only the |
1088 |
|
|
* iter->uudet from the first part |
1089 |
|
|
*/ |
1090 |
root |
1.25 |
if (data_data->flags & FL_PARTIAL) { |
1091 |
root |
1.1 |
if (data->partno == 1) { |
1092 |
root |
1.25 |
iter->uudet = data_data->uudet; |
1093 |
|
|
iter->flags = data_data->flags; |
1094 |
root |
1.1 |
} |
1095 |
|
|
} |
1096 |
|
|
else { |
1097 |
root |
1.25 |
if (data_data->uudet) iter->uudet = data_data->uudet; |
1098 |
|
|
if (data_data->flags) iter->flags = data_data->flags; |
1099 |
root |
1.1 |
} |
1100 |
|
|
|
1101 |
root |
1.25 |
if (iter->mode == 0 && data_data->mode != 0) |
1102 |
|
|
iter->mode = data_data->mode; |
1103 |
|
|
|
1104 |
|
|
if (data_data->begin) iter->begin = data->partno ? data->partno : 1; |
1105 |
|
|
if (data_data->end) iter->end = data->partno ? data->partno : 1; |
1106 |
root |
1.1 |
|
1107 |
|
|
if (data->mimetype) { |
1108 |
root |
1.22 |
FP_free (iter->mimetype); |
1109 |
|
|
iter->mimetype = FP_strdup (data->mimetype); |
1110 |
root |
1.1 |
} |
1111 |
|
|
|
1112 |
|
|
/* |
1113 |
|
|
* insert part at the beginning |
1114 |
|
|
*/ |
1115 |
|
|
|
1116 |
|
|
if (data->partno != -1 && data->partno < iter->thisfile->partno) { |
1117 |
|
|
iter->state = UUFILE_READ; |
1118 |
|
|
data->NEXT = iter->thisfile; |
1119 |
|
|
iter->thisfile = data; |
1120 |
|
|
return UURET_OK; |
1121 |
|
|
} |
1122 |
|
|
|
1123 |
|
|
/* |
1124 |
|
|
* insert part somewhere else |
1125 |
|
|
*/ |
1126 |
|
|
|
1127 |
|
|
iter->state = UUFILE_READ; /* prepare for re-checking */ |
1128 |
|
|
fiter = iter->thisfile; |
1129 |
|
|
last = NULL; |
1130 |
|
|
|
1131 |
|
|
while (fiter) { |
1132 |
|
|
/* |
1133 |
|
|
* if we find the same part no again, check which one looks better |
1134 |
|
|
*/ |
1135 |
|
|
if (data->partno == fiter->partno) { |
1136 |
|
|
if (fiter->data->subject == NULL) |
1137 |
|
|
return UURET_NODATA; |
1138 |
root |
1.22 |
else if (FP_stristr (fiter->data->subject, "repost") != NULL && |
1139 |
root |
1.25 |
FP_stristr (data_data->subject, "repost") == NULL) |
1140 |
root |
1.1 |
return UURET_NODATA; |
1141 |
root |
1.25 |
else if (fiter->data->uudet && !data_data->uudet) |
1142 |
root |
1.1 |
return UURET_NODATA; |
1143 |
|
|
else { |
1144 |
|
|
/* |
1145 |
|
|
* replace |
1146 |
|
|
*/ |
1147 |
|
|
data->NEXT = fiter->NEXT; |
1148 |
|
|
fiter->NEXT = NULL; |
1149 |
|
|
UUkillfile (fiter); |
1150 |
|
|
|
1151 |
|
|
if (last == NULL) |
1152 |
|
|
iter->thisfile = data; |
1153 |
|
|
else |
1154 |
|
|
last->NEXT = data; |
1155 |
|
|
|
1156 |
|
|
return UURET_OK; |
1157 |
|
|
} |
1158 |
|
|
} |
1159 |
|
|
|
1160 |
|
|
/* |
1161 |
|
|
* if at the end of the part list, add it |
1162 |
|
|
*/ |
1163 |
|
|
|
1164 |
root |
1.20 |
if (fiter->NEXT == NULL || |
1165 |
root |
1.1 |
(data->partno != -1 && data->partno < fiter->NEXT->partno)) { |
1166 |
|
|
data->NEXT = fiter->NEXT; |
1167 |
|
|
fiter->NEXT = data; |
1168 |
|
|
|
1169 |
|
|
if (data->partno == -1) |
1170 |
|
|
data->partno = fiter->partno + 1; |
1171 |
|
|
|
1172 |
|
|
return UURET_OK; |
1173 |
|
|
} |
1174 |
root |
1.23 |
|
1175 |
root |
1.1 |
last = fiter; |
1176 |
|
|
fiter = fiter->NEXT; |
1177 |
|
|
} |
1178 |
root |
1.20 |
|
1179 |
root |
1.1 |
return UURET_OK; /* Shouldn't get here */ |
1180 |
|
|
} |
1181 |
root |
1.25 |
|
1182 |
root |
1.1 |
goahead: |
1183 |
root |
1.25 |
iter = iter->NEXT; |
1184 |
|
|
|
1185 |
|
|
if (!iter) |
1186 |
root |
1.1 |
break; |
1187 |
root |
1.25 |
} |
1188 |
root |
1.1 |
|
1189 |
root |
1.25 |
newpart: |
1190 |
root |
1.1 |
/* |
1191 |
|
|
* handle new entry |
1192 |
|
|
*/ |
1193 |
|
|
|
1194 |
|
|
if (data->partno == -1) { |
1195 |
|
|
/* |
1196 |
|
|
* if it's got no part no, and it's MIME mail, then assume this is |
1197 |
|
|
* part no. 1. If it's not MIME, then we can't handle it; if it |
1198 |
|
|
* had a 'begin', it'd have got a part number assigned by |
1199 |
|
|
* UUPreProcessPart(). |
1200 |
|
|
*/ |
1201 |
root |
1.25 |
if (data_data->uudet == B64ENCODED || data_data->uudet == BH_ENCODED) |
1202 |
root |
1.1 |
data->partno = 1; |
1203 |
|
|
else |
1204 |
|
|
return UURET_NODATA; |
1205 |
|
|
} |
1206 |
|
|
|
1207 |
root |
1.25 |
if ((unew = (uulist *)malloc (sizeof (uulist))) == NULL) { |
1208 |
root |
1.1 |
return UURET_NOMEM; |
1209 |
|
|
} |
1210 |
|
|
|
1211 |
root |
1.13 |
{ |
1212 |
root |
1.21 |
const uulist uulist_new = { 0 }; |
1213 |
root |
1.13 |
*unew = uulist_new; /* zero-initialise the structure */ |
1214 |
|
|
} |
1215 |
|
|
|
1216 |
root |
1.22 |
if ((unew->subfname = FP_strdup (data->subfname)) == NULL) { |
1217 |
|
|
FP_free (unew); |
1218 |
root |
1.1 |
return UURET_NOMEM; |
1219 |
|
|
} |
1220 |
|
|
|
1221 |
root |
1.25 |
unew->filename_hash = filename_hash; |
1222 |
root |
1.1 |
if (data->filename != NULL) { |
1223 |
root |
1.22 |
if ((unew->filename = FP_strdup (data->filename)) == NULL) { |
1224 |
|
|
FP_free (unew->subfname); |
1225 |
|
|
FP_free (unew); |
1226 |
root |
1.1 |
return UURET_NOMEM; |
1227 |
|
|
} |
1228 |
|
|
} |
1229 |
|
|
else |
1230 |
|
|
unew->filename = NULL; |
1231 |
|
|
|
1232 |
root |
1.25 |
unew->mimeid_hash = mimeid_hash; |
1233 |
root |
1.1 |
if (data->mimeid != NULL) { |
1234 |
root |
1.22 |
if ((unew->mimeid = FP_strdup (data->mimeid)) == NULL) { |
1235 |
|
|
FP_free (unew->subfname); |
1236 |
|
|
FP_free (unew->filename); |
1237 |
|
|
FP_free (unew); |
1238 |
root |
1.1 |
return UURET_NOMEM; |
1239 |
|
|
} |
1240 |
|
|
} |
1241 |
|
|
else |
1242 |
|
|
unew->mimeid = NULL; |
1243 |
|
|
|
1244 |
|
|
if (data->mimetype != NULL) { |
1245 |
root |
1.22 |
if ((unew->mimetype = FP_strdup (data->mimetype)) == NULL) { |
1246 |
|
|
FP_free (unew->mimeid); |
1247 |
|
|
FP_free (unew->subfname); |
1248 |
|
|
FP_free (unew->filename); |
1249 |
|
|
FP_free (unew); |
1250 |
root |
1.1 |
return UURET_NOMEM; |
1251 |
|
|
} |
1252 |
|
|
} |
1253 |
|
|
else |
1254 |
|
|
unew->mimetype = NULL; |
1255 |
|
|
|
1256 |
|
|
unew->state = UUFILE_READ; |
1257 |
|
|
unew->thisfile = data; |
1258 |
root |
1.25 |
unew->mode = data_data->mode; |
1259 |
|
|
unew->uudet = data_data->uudet; |
1260 |
|
|
unew->flags = data_data->flags; |
1261 |
|
|
unew->begin = data_data->begin ? (data->partno ? data->partno : 1) : 0; |
1262 |
|
|
unew->end = data_data->end ? (data->partno ? data->partno : 1) : 0; |
1263 |
root |
1.1 |
|
1264 |
root |
1.24 |
/* insert at the beginning, as parts often show up in bursts */ |
1265 |
|
|
unew->NEXT = UUGlobalFileList; |
1266 |
|
|
UUGlobalFileList = unew; |
1267 |
root |
1.1 |
|
1268 |
|
|
return UURET_OK; |
1269 |
|
|
} |
1270 |
|
|
|
1271 |
|
|
/* |
1272 |
|
|
* At this point, all files are read in and stored in the |
1273 |
|
|
* "UUGlobalFileList". Do some checking. All parts there? |
1274 |
|
|
**/ |
1275 |
|
|
|
1276 |
root |
1.16 |
void UUEXPORT |
1277 |
root |
1.1 |
UUCheckGlobalList (void) |
1278 |
|
|
{ |
1279 |
|
|
int misparts[MAXPLIST], haveparts[MAXPLIST]; |
1280 |
|
|
int miscount, havecount, count, flag, part; |
1281 |
|
|
uulist *liter=UUGlobalFileList, *prev; |
1282 |
|
|
uufile *fiter; |
1283 |
|
|
long thesize; |
1284 |
|
|
|
1285 |
|
|
while (liter) { |
1286 |
|
|
miscount = 0; |
1287 |
|
|
thesize = 0; |
1288 |
|
|
|
1289 |
|
|
if (liter->state & UUFILE_OK) { |
1290 |
|
|
liter = liter->NEXT; |
1291 |
|
|
continue; |
1292 |
|
|
} |
1293 |
|
|
else if ((liter->uudet == QP_ENCODED || |
1294 |
root |
1.20 |
liter->uudet == PT_ENCODED) && |
1295 |
root |
1.1 |
(liter->flags & FL_SINGLE)) { |
1296 |
|
|
if ((liter->flags&FL_PROPER)==0) |
1297 |
|
|
liter->size = -1; |
1298 |
|
|
else |
1299 |
|
|
liter->size = liter->thisfile->data->length; |
1300 |
|
|
|
1301 |
|
|
liter->state = UUFILE_OK; |
1302 |
|
|
continue; |
1303 |
|
|
} |
1304 |
|
|
else if ((fiter = liter->thisfile) == NULL) { |
1305 |
|
|
liter->state = UUFILE_NODATA; |
1306 |
|
|
liter = liter->NEXT; |
1307 |
|
|
continue; |
1308 |
|
|
} |
1309 |
|
|
|
1310 |
|
|
/* |
1311 |
|
|
* Re-Check this file |
1312 |
|
|
*/ |
1313 |
|
|
|
1314 |
|
|
flag = 0; |
1315 |
|
|
miscount = 0; |
1316 |
|
|
havecount = 0; |
1317 |
|
|
thesize = 0; |
1318 |
|
|
liter->state = UUFILE_READ; |
1319 |
|
|
|
1320 |
|
|
/* |
1321 |
|
|
* search encoded data |
1322 |
|
|
*/ |
1323 |
|
|
|
1324 |
|
|
while (fiter && !fiter->data->uudet) { |
1325 |
|
|
if (havecount<MAXPLIST) { |
1326 |
|
|
haveparts[havecount++] = fiter->partno; |
1327 |
|
|
} |
1328 |
|
|
fiter = fiter->NEXT; |
1329 |
|
|
} |
1330 |
|
|
|
1331 |
|
|
if (fiter == NULL) { |
1332 |
|
|
liter->state = UUFILE_NODATA; |
1333 |
|
|
liter = liter->NEXT; |
1334 |
|
|
continue; |
1335 |
|
|
} |
1336 |
|
|
|
1337 |
|
|
if (havecount<MAXPLIST) { |
1338 |
|
|
haveparts[havecount++] = fiter->partno; |
1339 |
|
|
} |
1340 |
|
|
|
1341 |
|
|
if ((part = fiter->partno) > 1) { |
1342 |
|
|
if (!fiter->data->begin) { |
1343 |
|
|
for (count=1; count < part && miscount < MAXPLIST; count++) |
1344 |
|
|
misparts[miscount++] = count; |
1345 |
|
|
} |
1346 |
|
|
} |
1347 |
|
|
|
1348 |
|
|
/* |
1349 |
|
|
* don't care if so many parts are missing |
1350 |
|
|
*/ |
1351 |
|
|
|
1352 |
|
|
if (miscount >= MAXPLIST) { |
1353 |
|
|
liter->state = UUFILE_MISPART; |
1354 |
|
|
liter = liter->NEXT; |
1355 |
|
|
continue; |
1356 |
|
|
} |
1357 |
|
|
|
1358 |
|
|
if (liter->uudet == B64ENCODED || |
1359 |
|
|
liter->uudet == QP_ENCODED || |
1360 |
|
|
liter->uudet == PT_ENCODED) |
1361 |
|
|
flag |= 3; /* Don't need begin or end with Base64 or plain text*/ |
1362 |
|
|
|
1363 |
|
|
if (fiter->data->begin) flag |= 1; |
1364 |
|
|
if (fiter->data->end) flag |= 2; |
1365 |
root |
1.20 |
if (fiter->data->uudet) flag |= 4; |
1366 |
root |
1.1 |
|
1367 |
|
|
/* |
1368 |
|
|
* guess size of part |
1369 |
|
|
*/ |
1370 |
|
|
|
1371 |
|
|
switch (fiter->data->uudet) { |
1372 |
|
|
case UU_ENCODED: |
1373 |
|
|
case XX_ENCODED: |
1374 |
|
|
thesize += 3*fiter->data->length/4; |
1375 |
|
|
thesize -= 3*fiter->data->length/124; /* substract 2 of 62 chars */ |
1376 |
|
|
break; |
1377 |
|
|
case B64ENCODED: |
1378 |
|
|
thesize += 3*fiter->data->length/4; |
1379 |
|
|
thesize -= fiter->data->length/52; /* substract 2 of 78 chars */ |
1380 |
|
|
break; |
1381 |
|
|
case QP_ENCODED: |
1382 |
|
|
case PT_ENCODED: |
1383 |
|
|
thesize += fiter->data->length; |
1384 |
|
|
break; |
1385 |
|
|
} |
1386 |
root |
1.20 |
|
1387 |
root |
1.1 |
fiter = fiter->NEXT; |
1388 |
|
|
|
1389 |
|
|
while (fiter != NULL) { |
1390 |
root |
1.18 |
for (count = part+1; count < fiter->partno && miscount < MAXPLIST; count++) |
1391 |
root |
1.1 |
misparts[miscount++] = count; |
1392 |
|
|
|
1393 |
|
|
part = fiter->partno; |
1394 |
root |
1.20 |
|
1395 |
root |
1.18 |
if (havecount < MAXPLIST) |
1396 |
|
|
haveparts[havecount++] = part; |
1397 |
root |
1.1 |
|
1398 |
|
|
if (fiter->data->begin) flag |= 1; |
1399 |
|
|
if (fiter->data->end) flag |= 2; |
1400 |
|
|
if (fiter->data->uudet) flag |= 4; |
1401 |
|
|
|
1402 |
|
|
switch (fiter->data->uudet) { |
1403 |
|
|
case UU_ENCODED: |
1404 |
|
|
case XX_ENCODED: |
1405 |
|
|
thesize += 3*fiter->data->length/4; |
1406 |
|
|
thesize -= 3*fiter->data->length/124; /* substract 2 of 62 chars */ |
1407 |
|
|
break; |
1408 |
|
|
case B64ENCODED: |
1409 |
|
|
thesize += 3*fiter->data->length/4; |
1410 |
|
|
thesize -= fiter->data->length/52; /* substract 2 of 78 chars */ |
1411 |
|
|
break; |
1412 |
|
|
case QP_ENCODED: |
1413 |
|
|
case PT_ENCODED: |
1414 |
|
|
thesize += fiter->data->length; |
1415 |
|
|
break; |
1416 |
|
|
} |
1417 |
|
|
|
1418 |
|
|
if (fiter->data->end) |
1419 |
|
|
break; |
1420 |
root |
1.20 |
|
1421 |
root |
1.1 |
fiter = fiter->NEXT; |
1422 |
|
|
} |
1423 |
|
|
|
1424 |
|
|
/* |
1425 |
|
|
* if in fast mode, we don't notice an 'end'. So if its uu or xx |
1426 |
|
|
* encoded, there's a begin line and encoded data, assume it's |
1427 |
|
|
* there. |
1428 |
|
|
*/ |
1429 |
root |
1.20 |
|
1430 |
root |
1.1 |
if (uu_fast_scanning && (flag & 0x01) && (flag & 0x04) && |
1431 |
|
|
(liter->uudet == UU_ENCODED || liter->uudet == XX_ENCODED)) |
1432 |
|
|
flag |= 2; |
1433 |
|
|
|
1434 |
|
|
/* |
1435 |
|
|
* Set the parts we have and/or missing |
1436 |
|
|
*/ |
1437 |
|
|
|
1438 |
root |
1.22 |
FP_free (liter->haveparts); |
1439 |
|
|
FP_free (liter->misparts); |
1440 |
root |
1.1 |
|
1441 |
|
|
liter->haveparts = NULL; |
1442 |
|
|
liter->misparts = NULL; |
1443 |
root |
1.20 |
|
1444 |
root |
1.1 |
if (havecount) { |
1445 |
|
|
if ((liter->haveparts=(int*)malloc((havecount+1)*sizeof(int)))!=NULL) { |
1446 |
|
|
memcpy (liter->haveparts, haveparts, havecount*sizeof(int)); |
1447 |
|
|
liter->haveparts[havecount] = 0; |
1448 |
|
|
} |
1449 |
|
|
} |
1450 |
root |
1.20 |
|
1451 |
root |
1.1 |
if (miscount) { |
1452 |
|
|
if ((liter->misparts=(int*)malloc((miscount+1)*sizeof(int)))!=NULL) { |
1453 |
|
|
memcpy (liter->misparts, misparts, miscount*sizeof(int)); |
1454 |
|
|
liter->misparts[miscount] = 0; |
1455 |
|
|
} |
1456 |
|
|
liter->state |= UUFILE_MISPART; |
1457 |
|
|
} |
1458 |
|
|
|
1459 |
|
|
/* |
1460 |
|
|
* Finalize checking |
1461 |
|
|
*/ |
1462 |
|
|
|
1463 |
|
|
if ((flag & 1) == 0) liter->state |= UUFILE_NOBEGIN; |
1464 |
|
|
if ((flag & 2) == 0) liter->state |= UUFILE_NOEND; |
1465 |
root |
1.19 |
if ((flag & 4) == 0) liter->state |= UUFILE_NODATA; |
1466 |
root |
1.20 |
|
1467 |
root |
1.1 |
if ((flag & 7) == 7 && miscount==0) { |
1468 |
|
|
liter->state = UUFILE_OK; |
1469 |
|
|
} |
1470 |
|
|
|
1471 |
|
|
if ((uu_fast_scanning && (liter->flags&FL_PROPER)==0) || thesize<=0) |
1472 |
|
|
liter->size = -1; |
1473 |
|
|
else |
1474 |
|
|
liter->size = thesize; |
1475 |
|
|
|
1476 |
root |
1.20 |
if (liter->state==UUFILE_OK && |
1477 |
root |
1.1 |
(liter->filename==NULL || liter->filename[0]=='\0')) { |
1478 |
|
|
/* |
1479 |
|
|
* Emergency backup if the file does not have a filename |
1480 |
|
|
*/ |
1481 |
root |
1.22 |
FP_free (liter->filename); |
1482 |
root |
1.1 |
if (liter->subfname && liter->subfname[0] && |
1483 |
root |
1.22 |
FP_strpbrk (liter->subfname, "()[];: ") == NULL) |
1484 |
|
|
liter->filename = FP_strdup (liter->subfname); |
1485 |
root |
1.1 |
else { |
1486 |
|
|
sprintf (uucheck_tempname, "%s.%03d", nofname, ++nofnum); |
1487 |
root |
1.22 |
liter->filename = FP_strdup (uucheck_tempname); |
1488 |
root |
1.1 |
} |
1489 |
|
|
} |
1490 |
|
|
liter = liter->NEXT; |
1491 |
|
|
} |
1492 |
|
|
|
1493 |
|
|
/* |
1494 |
|
|
* Sets back (PREV) links |
1495 |
|
|
*/ |
1496 |
|
|
|
1497 |
|
|
liter = UUGlobalFileList; |
1498 |
|
|
prev = NULL; |
1499 |
|
|
|
1500 |
|
|
while (liter) { |
1501 |
|
|
liter->PREV = prev; |
1502 |
|
|
prev = liter; |
1503 |
|
|
liter = liter->NEXT; |
1504 |
|
|
} |
1505 |
|
|
} |
1506 |
|
|
|