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428
|
1 /* sendmail-like interface to /bin/mail for system V,
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|
|
2 Copyright (C) 1985, 1994 Free Software Foundation, Inc.
|
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|
3
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|
613
|
4 This file is part of XEmacs.
|
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428
|
5
|
|
613
|
6 XEmacs is free software; you can redistribute it and/or modify
|
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428
|
7 it under the terms of the GNU General Public License as published by
|
|
|
8 the Free Software Foundation; either version 2, or (at your option)
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|
|
9 any later version.
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|
10
|
|
613
|
11 XEmacs is distributed in the hope that it will be useful,
|
|
428
|
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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|
|
14 GNU General Public License for more details.
|
|
|
15
|
|
|
16 You should have received a copy of the GNU General Public License
|
|
613
|
17 along with XEmacs; see the file COPYING. If not, write to
|
|
428
|
18 the Free the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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|
|
19 Boston, MA 02111-1307, USA. */
|
|
|
20
|
|
|
21 /* Synched up with: FSF 19.28. */
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22
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23 #define NO_SHORTNAMES
|
|
438
|
24 #include <config.h>
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|
428
|
25
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|
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26 #if defined (BSD) && !defined (BSD4_1) && !defined (USE_FAKEMAIL)
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|
27 /* This program is not used in BSD, so just avoid loader complaints. */
|
|
|
28 int
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|
|
29 main (int argc, char *argv[])
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|
|
30 {
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|
|
31 return 0;
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|
|
32 }
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|
|
33 #elif defined (LINUX)
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|
|
34 #include <stdio.h>
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|
35 #include <stdlib.h>
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|
|
36 int
|
|
2509
|
37 main (int argc, char *argv[])
|
|
428
|
38 {
|
|
|
39 /* Linux /bin/mail, if it exists, is NOT the Unix v7 mail that
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|
|
40 fakemail depends on! This causes garbled mail. Better to
|
|
|
41 output an error message. */
|
|
|
42 fprintf (stderr, "Sorry, fakemail does not work on Linux.\n");
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|
|
43 fprintf (stderr, "Make sure you have the sendmail program, and\n");
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|
|
44 fprintf (stderr, "set the Lisp variable `sendmail-program' to point\n");
|
|
|
45 fprintf (stderr, "to the path of the sendmail binary.\n");
|
|
|
46 return 1;
|
|
|
47 }
|
|
|
48 #else /* not BSD 4.2 (or newer) */
|
|
|
49
|
|
|
50 /* These are defined in config in some versions. */
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|
51
|
|
|
52 #ifdef static
|
|
|
53 #undef static
|
|
|
54 #endif
|
|
|
55
|
|
|
56 #ifdef read
|
|
|
57 #undef read
|
|
|
58 #undef write
|
|
|
59 #undef open
|
|
|
60 #undef close
|
|
|
61 #endif
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|
62
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|
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63 #include <stdio.h>
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|
|
64 #if __STDC__ || defined(STDC_HEADERS)
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|
|
65 #include <stdlib.h>
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|
|
66 #include <unistd.h>
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|
|
67 #endif
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|
|
68 #include <string.h>
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|
|
69 #include <ctype.h>
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|
|
70 #include <time.h>
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|
|
71 #include <pwd.h>
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72
|
|
|
73 /* Type definitions */
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|
|
74
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|
|
75 #define boolean int
|
|
|
76 #define true 1
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|
|
77 #define false 0
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|
78
|
|
|
79 /* Various lists */
|
|
|
80
|
|
|
81 struct line_record
|
|
|
82 {
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|
|
83 char *string;
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|
|
84 struct line_record *continuation;
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|
85 };
|
|
|
86 typedef struct line_record *line_list;
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|
|
87
|
|
|
88 struct header_record
|
|
|
89 {
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|
|
90 line_list text;
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|
|
91 struct header_record *next;
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|
|
92 struct header_record *previous;
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93 };
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|
|
94 typedef struct header_record *header;
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95
|
|
|
96 struct stream_record
|
|
|
97 {
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|
|
98 FILE *handle;
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|
99 int (*action)(FILE *);
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|
|
100 struct stream_record *rest_streams;
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|
101 };
|
|
|
102 typedef struct stream_record *stream_list;
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103
|
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104 /* A `struct linebuffer' is a structure which holds a line of text.
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105 * `readline' reads a line from a stream into a linebuffer
|
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106 * and works regardless of the length of the line.
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107 */
|
|
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108
|
|
|
109 struct linebuffer
|
|
|
110 {
|
|
440
|
111 size_t size;
|
|
428
|
112 char *buffer;
|
|
|
113 };
|
|
|
114
|
|
|
115 struct linebuffer lb;
|
|
|
116
|
|
|
117 #define new_list() \
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|
|
118 ((line_list) xmalloc (sizeof (struct line_record)))
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|
|
119 #define new_header() \
|
|
|
120 ((header) xmalloc (sizeof (struct header_record)))
|
|
|
121 #define new_stream() \
|
|
|
122 ((stream_list) xmalloc (sizeof (struct stream_record)))
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|
|
123 #define alloc_string(nchars) \
|
|
|
124 ((char *) xmalloc ((nchars) + 1))
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|
|
125
|
|
|
126 /* Global declarations */
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|
|
127
|
|
|
128 #define BUFLEN 1024
|
|
|
129 #define KEYWORD_SIZE 256
|
|
|
130 #define FROM_PREFIX "From"
|
|
|
131 #define MY_NAME "fakemail"
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|
|
132 #define NIL ((line_list) NULL)
|
|
|
133 #define INITIAL_LINE_SIZE 200
|
|
|
134
|
|
|
135 #ifndef MAIL_PROGRAM_NAME
|
|
|
136 #define MAIL_PROGRAM_NAME "/bin/mail"
|
|
|
137 #endif
|
|
|
138
|
|
442
|
139 static const char *my_name;
|
|
428
|
140 static char *the_date;
|
|
|
141 static char *the_user;
|
|
|
142 static line_list file_preface;
|
|
|
143 static stream_list the_streams;
|
|
|
144 static boolean no_problems = true;
|
|
|
145
|
|
|
146 #if !__STDC__ && !defined(STDC_HEADERS)
|
|
|
147 extern FILE *popen ();
|
|
|
148 extern int fclose (), pclose ();
|
|
|
149 extern char *malloc (), *realloc ();
|
|
|
150 #endif
|
|
|
151
|
|
2687
|
152 #if defined(__FreeBSD_version) && __FreeBSD_version >= 400000
|
|
|
153 #define CURRENT_USER
|
|
|
154 #endif
|
|
|
155
|
|
428
|
156 #ifdef CURRENT_USER
|
|
|
157 extern struct passwd *getpwuid ();
|
|
2687
|
158 #if defined(__FreeBSD_version) && __FreeBSD_version >= 400000
|
|
|
159 extern uid_t geteuid ();
|
|
|
160 #else
|
|
|
161 extern unsigned short geteuid ();
|
|
|
162 #endif
|
|
428
|
163 static struct passwd *my_entry;
|
|
|
164 #define cuserid(s) \
|
|
434
|
165 (my_entry = getpwuid ((int) geteuid ()), \
|
|
428
|
166 my_entry->pw_name)
|
|
|
167 #endif
|
|
|
168
|
|
|
169 /* Utilities */
|
|
|
170
|
|
|
171 /* Print error message. `s1' is printf control string, `s2' is arg for it. */
|
|
|
172
|
|
|
173 static void
|
|
442
|
174 error (const char *s1, const char *s2)
|
|
428
|
175 {
|
|
|
176 printf ("%s: ", my_name);
|
|
|
177 printf (s1, s2);
|
|
|
178 printf ("\n");
|
|
|
179 no_problems = false;
|
|
|
180 }
|
|
|
181
|
|
|
182 /* Print error message and exit. */
|
|
|
183
|
|
|
184 static void
|
|
442
|
185 fatal (const char *s1, const char *s2)
|
|
428
|
186 {
|
|
|
187 error (s1, s2);
|
|
|
188 exit (1);
|
|
|
189 }
|
|
|
190
|
|
|
191 /* Like malloc but get fatal error if memory is exhausted. */
|
|
|
192
|
|
440
|
193 static void *
|
|
428
|
194 xmalloc (size_t size)
|
|
|
195 {
|
|
440
|
196 void *result = malloc (size);
|
|
|
197 if (result == NULL)
|
|
428
|
198 fatal ("virtual memory exhausted", (char *) 0);
|
|
|
199 return result;
|
|
|
200 }
|
|
|
201
|
|
440
|
202 static void *
|
|
|
203 xrealloc (void *ptr, size_t size)
|
|
428
|
204 {
|
|
440
|
205 void *result = realloc (ptr, size);
|
|
|
206 if (result == NULL)
|
|
428
|
207 fatal ("virtual memory exhausted", (char *) 0);
|
|
|
208 return result;
|
|
|
209 }
|
|
|
210
|
|
|
211 /* Initialize a linebuffer for use */
|
|
|
212
|
|
|
213 static void
|
|
|
214 init_linebuffer (struct linebuffer *linebuffer)
|
|
|
215 {
|
|
|
216 linebuffer->size = INITIAL_LINE_SIZE;
|
|
440
|
217 linebuffer->buffer = (char *) xmalloc (INITIAL_LINE_SIZE);
|
|
428
|
218 }
|
|
|
219
|
|
|
220 /* Read a line of text from `stream' into `linebuffer'.
|
|
|
221 * Return the length of the line.
|
|
|
222 */
|
|
|
223
|
|
|
224 static long
|
|
|
225 readline (struct linebuffer *linebuffer, FILE *stream)
|
|
|
226 {
|
|
|
227 char *buffer = linebuffer->buffer;
|
|
|
228 char *p = linebuffer->buffer;
|
|
|
229 char *end = p + linebuffer->size;
|
|
|
230
|
|
|
231 while (true)
|
|
|
232 {
|
|
|
233 int c = getc (stream);
|
|
|
234 if (p == end)
|
|
|
235 {
|
|
|
236 linebuffer->size *= 2;
|
|
440
|
237 buffer = (char *) xrealloc (buffer, linebuffer->size);
|
|
428
|
238 p = buffer + (p - linebuffer->buffer);
|
|
|
239 end = buffer + linebuffer->size;
|
|
|
240 linebuffer->buffer = buffer;
|
|
|
241 }
|
|
|
242 if (c < 0 || c == '\n')
|
|
|
243 {
|
|
|
244 *p = 0;
|
|
|
245 break;
|
|
|
246 }
|
|
|
247 *p++ = c;
|
|
|
248 }
|
|
|
249
|
|
|
250 return p - buffer;
|
|
|
251 }
|
|
|
252
|
|
|
253 static char *
|
|
|
254 get_keyword (register char *field, char **rest)
|
|
|
255 {
|
|
|
256 static char keyword[KEYWORD_SIZE];
|
|
|
257 register char *ptr;
|
|
|
258 register char c;
|
|
|
259
|
|
|
260 ptr = &keyword[0];
|
|
|
261 c = *field++;
|
|
|
262 if ((isspace ((int) (unsigned char) c)) || (c == ':'))
|
|
|
263 return (char *) NULL;
|
|
|
264 *ptr++ = ((islower ((int) (unsigned char) c)) ?
|
|
|
265 (toupper ((int) (unsigned char) c)) : c);
|
|
|
266 while (((c = *field++) != ':') &&
|
|
|
267 (!(isspace ((int) (unsigned char) c))))
|
|
|
268 *ptr++ = ((islower ((int) (unsigned char) c)) ?
|
|
|
269 (toupper ((int) (unsigned char) c)) : c);
|
|
|
270 *ptr++ = '\0';
|
|
|
271 while (isspace ((int) (unsigned char) c)) c = *field++;
|
|
|
272 if (c != ':') return (char *) NULL;
|
|
|
273 *rest = field;
|
|
|
274 return &keyword[0];
|
|
|
275 }
|
|
|
276
|
|
|
277 static boolean
|
|
|
278 has_keyword (char *field)
|
|
|
279 {
|
|
|
280 char *ignored;
|
|
440
|
281 return (get_keyword (field, &ignored) != (char *) NULL);
|
|
428
|
282 }
|
|
|
283
|
|
|
284 static char *
|
|
|
285 add_field (line_list the_list, register char *field, register char *where)
|
|
|
286 {
|
|
|
287 register char c;
|
|
|
288 while (true)
|
|
|
289 {
|
|
|
290 *where++ = ' ';
|
|
|
291 while ((c = *field++) != '\0')
|
|
|
292 {
|
|
|
293 if (c == '(')
|
|
|
294 {
|
|
|
295 while (*field && *field != ')') ++field;
|
|
|
296 if (! (*field++)) break; /* no closer */
|
|
|
297 if (! (*field)) break; /* closerNULL */
|
|
|
298 c = *field;
|
|
|
299 }
|
|
|
300 *where++ = ((c == ','||c=='>'||c=='<') ? ' ' : c);
|
|
|
301 }
|
|
|
302 if (the_list == NIL) break;
|
|
|
303 field = the_list->string;
|
|
|
304 the_list = the_list->continuation;
|
|
|
305 }
|
|
|
306 return where;
|
|
|
307 }
|
|
|
308
|
|
|
309 static line_list
|
|
|
310 make_file_preface (void)
|
|
|
311 {
|
|
|
312 char *the_string, *temp;
|
|
442
|
313 time_t idiotic_interface;
|
|
428
|
314 long prefix_length;
|
|
|
315 long user_length;
|
|
|
316 long date_length;
|
|
|
317 line_list result;
|
|
|
318
|
|
|
319 prefix_length = strlen (FROM_PREFIX);
|
|
|
320 time (&idiotic_interface);
|
|
|
321 the_date = ctime (&idiotic_interface);
|
|
|
322 /* the_date has an unwanted newline at the end */
|
|
|
323 date_length = strlen (the_date) - 1;
|
|
442
|
324 if (the_date[date_length] == '\n')
|
|
|
325 the_date[date_length] = '\0';
|
|
|
326 #ifdef WIN32_NATIVE
|
|
428
|
327 temp = "(null)";
|
|
|
328 #else
|
|
|
329 temp = cuserid ((char *) NULL);
|
|
|
330 #endif
|
|
|
331 user_length = strlen (temp);
|
|
|
332 the_user = alloc_string ((size_t) (user_length + 1));
|
|
|
333 strcpy (the_user, temp);
|
|
|
334 the_string = alloc_string ((size_t) (3 + prefix_length +
|
|
|
335 user_length +
|
|
|
336 date_length));
|
|
|
337 temp = the_string;
|
|
|
338 strcpy (temp, FROM_PREFIX);
|
|
|
339 temp = &temp[prefix_length];
|
|
|
340 *temp++ = ' ';
|
|
|
341 strcpy (temp, the_user);
|
|
|
342 temp = &temp[user_length];
|
|
|
343 *temp++ = ' ';
|
|
|
344 strcpy (temp, the_date);
|
|
|
345 result = new_list ();
|
|
|
346 result->string = the_string;
|
|
|
347 result->continuation = ((line_list) NULL);
|
|
|
348 return result;
|
|
|
349 }
|
|
|
350
|
|
|
351 static void
|
|
|
352 write_line_list (register line_list the_list, FILE *the_stream)
|
|
|
353 {
|
|
|
354 for ( ;
|
|
|
355 the_list != ((line_list) NULL) ;
|
|
|
356 the_list = the_list->continuation)
|
|
|
357 {
|
|
|
358 fputs (the_list->string, the_stream);
|
|
|
359 putc ('\n', the_stream);
|
|
|
360 }
|
|
|
361 return;
|
|
|
362 }
|
|
|
363
|
|
|
364 static int
|
|
|
365 close_the_streams (void)
|
|
|
366 {
|
|
|
367 register stream_list rem;
|
|
|
368 for (rem = the_streams;
|
|
|
369 rem != ((stream_list) NULL);
|
|
|
370 rem = rem->rest_streams)
|
|
|
371 no_problems = (no_problems &&
|
|
|
372 ((*rem->action) (rem->handle) == 0));
|
|
|
373 the_streams = ((stream_list) NULL);
|
|
|
374 return (no_problems ? 0 : 1);
|
|
|
375 }
|
|
|
376
|
|
|
377 static void
|
|
|
378 add_a_stream (FILE *the_stream, int (*closing_action)(FILE *))
|
|
|
379 {
|
|
|
380 stream_list old = the_streams;
|
|
|
381 the_streams = new_stream ();
|
|
|
382 the_streams->handle = the_stream;
|
|
|
383 the_streams->action = closing_action;
|
|
|
384 the_streams->rest_streams = old;
|
|
|
385 return;
|
|
|
386 }
|
|
|
387
|
|
|
388 static int
|
|
|
389 my_fclose (FILE *the_file)
|
|
|
390 {
|
|
|
391 putc ('\n', the_file);
|
|
|
392 fflush (the_file);
|
|
|
393 return fclose (the_file);
|
|
|
394 }
|
|
|
395
|
|
|
396 static boolean
|
|
|
397 open_a_file (char *name)
|
|
|
398 {
|
|
|
399 FILE *the_stream = fopen (name, "a");
|
|
|
400 if (the_stream != ((FILE *) NULL))
|
|
|
401 {
|
|
|
402 add_a_stream (the_stream, my_fclose);
|
|
440
|
403 if (the_user == (char *) NULL)
|
|
428
|
404 file_preface = make_file_preface ();
|
|
|
405 write_line_list (file_preface, the_stream);
|
|
|
406 return true;
|
|
|
407 }
|
|
|
408 return false;
|
|
|
409 }
|
|
|
410
|
|
|
411 static void
|
|
|
412 put_string (char *s)
|
|
|
413 {
|
|
|
414 register stream_list rem;
|
|
|
415 for (rem = the_streams;
|
|
|
416 rem != ((stream_list) NULL);
|
|
|
417 rem = rem->rest_streams)
|
|
|
418 fputs (s, rem->handle);
|
|
|
419 return;
|
|
|
420 }
|
|
|
421
|
|
|
422 static void
|
|
442
|
423 put_line (const char *string)
|
|
428
|
424 {
|
|
|
425 register stream_list rem;
|
|
|
426 for (rem = the_streams;
|
|
|
427 rem != ((stream_list) NULL);
|
|
|
428 rem = rem->rest_streams)
|
|
|
429 {
|
|
442
|
430 const char *s = string;
|
|
428
|
431 int column = 0;
|
|
|
432
|
|
|
433 /* Divide STRING into lines. */
|
|
|
434 while (*s != 0)
|
|
|
435 {
|
|
442
|
436 const char *breakpos;
|
|
428
|
437
|
|
|
438 /* Find the last char that fits. */
|
|
|
439 for (breakpos = s; *breakpos && column < 78; ++breakpos)
|
|
|
440 {
|
|
|
441 if (*breakpos == '\t')
|
|
|
442 column += 8;
|
|
|
443 else
|
|
|
444 column++;
|
|
|
445 }
|
|
|
446 /* If we didn't reach end of line, break the line. */
|
|
|
447 if (*breakpos)
|
|
|
448 {
|
|
|
449 /* Back up to just after the last comma that fits. */
|
|
|
450 while (breakpos != s && breakpos[-1] != ',') --breakpos;
|
|
|
451
|
|
|
452 if (breakpos == s)
|
|
|
453 {
|
|
|
454 /* If no comma fits, move past the first address anyway. */
|
|
|
455 while (*breakpos != 0 && *breakpos != ',') ++breakpos;
|
|
|
456 if (*breakpos != 0)
|
|
|
457 /* Include the comma after it. */
|
|
|
458 ++breakpos;
|
|
|
459 }
|
|
|
460 }
|
|
|
461 /* Output that much, then break the line. */
|
|
|
462 fwrite (s, 1, breakpos - s, rem->handle);
|
|
|
463 column = 8;
|
|
|
464
|
|
|
465 /* Skip whitespace and prepare to print more addresses. */
|
|
|
466 s = breakpos;
|
|
|
467 while (*s == ' ' || *s == '\t') ++s;
|
|
|
468 if (*s != 0)
|
|
|
469 fputs ("\n\t", rem->handle);
|
|
|
470 }
|
|
|
471 putc ('\n', rem->handle);
|
|
|
472 }
|
|
|
473 return;
|
|
|
474 }
|
|
|
475
|
|
|
476 #define mail_error error
|
|
|
477
|
|
|
478 static void
|
|
|
479 setup_files (register line_list the_list, register char *field)
|
|
|
480 {
|
|
|
481 register char *start;
|
|
|
482 register char c;
|
|
|
483 while (true)
|
|
|
484 {
|
|
|
485 while (((c = *field) != '\0') &&
|
|
|
486 ((c == ' ') ||
|
|
|
487 (c == '\t') ||
|
|
|
488 (c == ',')))
|
|
|
489 field += 1;
|
|
|
490 if (c != '\0')
|
|
|
491 {
|
|
|
492 start = field;
|
|
|
493 while (((c = *field) != '\0') &&
|
|
|
494 (c != ' ') &&
|
|
|
495 (c != '\t') &&
|
|
|
496 (c != ','))
|
|
|
497 field += 1;
|
|
|
498 *field = '\0';
|
|
|
499 if (!open_a_file (start))
|
|
|
500 mail_error ("Could not open file %s", start);
|
|
|
501 *field = c;
|
|
|
502 if (c != '\0') continue;
|
|
|
503 }
|
|
|
504 if (the_list == ((line_list) NULL)) return;
|
|
|
505 field = the_list->string;
|
|
|
506 the_list = the_list->continuation;
|
|
|
507 }
|
|
|
508 }
|
|
|
509
|
|
|
510 static int
|
|
|
511 args_size (header the_header)
|
|
|
512 {
|
|
|
513 register header old = the_header;
|
|
|
514 register line_list rem;
|
|
|
515 register int size = 0;
|
|
|
516 do
|
|
|
517 {
|
|
|
518 char *field;
|
|
|
519 register char *keyword = get_keyword (the_header->text->string, &field);
|
|
|
520 if ((strcmp (keyword, "TO") == 0) ||
|
|
|
521 (strcmp (keyword, "CC") == 0) ||
|
|
|
522 (strcmp (keyword, "BCC") == 0))
|
|
|
523 {
|
|
|
524 size += 1 + strlen (field);
|
|
|
525 for (rem = the_header->text->continuation;
|
|
|
526 rem != NIL;
|
|
|
527 rem = rem->continuation)
|
|
|
528 size += 1 + strlen (rem->string);
|
|
|
529 }
|
|
|
530 the_header = the_header->next;
|
|
|
531 } while (the_header != old);
|
|
|
532 return size;
|
|
|
533 }
|
|
|
534
|
|
|
535 static void
|
|
|
536 parse_header (header the_header, register char *where)
|
|
|
537 {
|
|
|
538 register header old = the_header;
|
|
|
539 do
|
|
|
540 {
|
|
|
541 char *field;
|
|
|
542 register char *keyword = get_keyword (the_header->text->string, &field);
|
|
|
543 if (strcmp (keyword, "TO") == 0)
|
|
|
544 where = add_field (the_header->text->continuation, field, where);
|
|
|
545 else if (strcmp (keyword, "CC") == 0)
|
|
|
546 where = add_field (the_header->text->continuation, field, where);
|
|
|
547 else if (strcmp (keyword, "BCC") == 0)
|
|
|
548 {
|
|
|
549 where = add_field (the_header->text->continuation, field, where);
|
|
|
550 the_header->previous->next = the_header->next;
|
|
|
551 the_header->next->previous = the_header->previous;
|
|
|
552 }
|
|
|
553 else if (strcmp (keyword, "FCC") == 0)
|
|
|
554 setup_files (the_header->text->continuation, field);
|
|
|
555 the_header = the_header->next;
|
|
|
556 } while (the_header != old);
|
|
|
557 *where = '\0';
|
|
|
558 return;
|
|
|
559 }
|
|
|
560
|
|
|
561 static header
|
|
|
562 read_header (void)
|
|
|
563 {
|
|
|
564 register header the_header = ((header) NULL);
|
|
|
565 register line_list *next_line = ((line_list *) NULL);
|
|
|
566
|
|
|
567 init_linebuffer (&lb);
|
|
|
568
|
|
|
569 do
|
|
|
570 {
|
|
|
571 long length;
|
|
|
572 register char *line;
|
|
|
573
|
|
|
574 readline (&lb, stdin);
|
|
|
575 line = lb.buffer;
|
|
|
576 length = strlen (line);
|
|
|
577 if (length == 0) break;
|
|
|
578
|
|
|
579 if (has_keyword (line))
|
|
|
580 {
|
|
|
581 register header old = the_header;
|
|
|
582 the_header = new_header ();
|
|
|
583 if (old == ((header) NULL))
|
|
|
584 {
|
|
|
585 the_header->next = the_header;
|
|
|
586 the_header->previous = the_header;
|
|
|
587 }
|
|
|
588 else
|
|
|
589 {
|
|
|
590 the_header->previous = old;
|
|
|
591 the_header->next = old->next;
|
|
|
592 old->next = the_header;
|
|
|
593 }
|
|
|
594 next_line = &(the_header->text);
|
|
|
595 }
|
|
|
596
|
|
|
597 if (next_line == ((line_list *) NULL))
|
|
|
598 {
|
|
|
599 /* Not a valid header */
|
|
|
600 exit (1);
|
|
|
601 }
|
|
|
602 *next_line = new_list ();
|
|
|
603 (*next_line)->string = alloc_string ((size_t) length);
|
|
|
604 strcpy (((*next_line)->string), line);
|
|
|
605 next_line = &((*next_line)->continuation);
|
|
|
606 *next_line = NIL;
|
|
|
607
|
|
|
608 } while (true);
|
|
|
609
|
|
|
610 return the_header->next;
|
|
|
611 }
|
|
|
612
|
|
|
613 static void
|
|
|
614 write_header (header the_header)
|
|
|
615 {
|
|
|
616 register header old = the_header;
|
|
|
617 do
|
|
|
618 {
|
|
|
619 register line_list the_list;
|
|
|
620 for (the_list = the_header->text;
|
|
|
621 the_list != NIL;
|
|
|
622 the_list = the_list->continuation)
|
|
|
623 put_line (the_list->string);
|
|
|
624 the_header = the_header->next;
|
|
|
625 } while (the_header != old);
|
|
|
626 put_line ("");
|
|
|
627 return;
|
|
|
628 }
|
|
|
629
|
|
|
630 int
|
|
|
631 main (int argc, char *argv[])
|
|
|
632 {
|
|
|
633 char *command_line;
|
|
|
634 header the_header;
|
|
|
635 long name_length;
|
|
|
636 char *mail_program_name;
|
|
|
637 char buf[BUFLEN + 1];
|
|
|
638 register int size;
|
|
|
639 FILE *the_pipe;
|
|
|
640
|
|
|
641 mail_program_name = getenv ("FAKEMAILER");
|
|
|
642 if (!(mail_program_name && *mail_program_name))
|
|
|
643 mail_program_name = (char *) MAIL_PROGRAM_NAME;
|
|
|
644 name_length = strlen (mail_program_name);
|
|
|
645
|
|
|
646 my_name = MY_NAME;
|
|
|
647 the_streams = ((stream_list) NULL);
|
|
440
|
648 the_date = (char *) NULL;
|
|
|
649 the_user = (char *) NULL;
|
|
428
|
650
|
|
|
651 the_header = read_header ();
|
|
|
652 command_line = alloc_string ((size_t) (name_length +
|
|
|
653 args_size (the_header)));
|
|
|
654 strcpy (command_line, mail_program_name);
|
|
|
655 parse_header (the_header, &command_line[name_length]);
|
|
|
656
|
|
|
657 the_pipe = popen (command_line, "w");
|
|
|
658 if (the_pipe == ((FILE *) NULL))
|
|
440
|
659 fatal ("cannot open pipe to real mailer", (char *) NULL);
|
|
428
|
660
|
|
|
661 add_a_stream (the_pipe, pclose);
|
|
|
662
|
|
|
663 write_header (the_header);
|
|
|
664
|
|
|
665 /* Dump the message itself */
|
|
|
666
|
|
|
667 while (!feof (stdin))
|
|
|
668 {
|
|
|
669 size = fread (buf, 1, BUFLEN, stdin);
|
|
|
670 buf[size] = '\0';
|
|
|
671 put_string (buf);
|
|
|
672 }
|
|
|
673
|
|
|
674 return close_the_streams ();
|
|
|
675 }
|
|
|
676
|
|
|
677 #endif /* not BSD 4.2 (or newer) */
|
