24
25/*
26 * RMAIL -- UUCP mail server.
27 *
28 * This program reads the >From ... remote from ... lines that UUCP is so
29 * fond of and turns them into something reasonable. It then execs sendmail
30 * with various options built from these lines.
31 *
32 * The expected syntax is:
33 *
34 * <user> := [-a-z0-9]+
35 * <date> := ctime format
36 * <site> := [-a-z0-9!]+
37 * <blank line> := "^\n$"
38 * <from> := "From" <space> <user> <space> <date>
39 * [<space> "remote from" <space> <site>]
40 * <forward> := ">" <from>
41 * msg := <from> <forward>* <blank-line> <body>
42 *
43 * The output of rmail(8) compresses the <forward> lines into a single
44 * from path.
45 *
46 * The err(3) routine is included here deliberately to make this code
47 * a bit more portable.
48 */
49
50#include <sys/types.h>
51#include <sys/param.h>
52#include <sys/stat.h>
53#include <sys/wait.h>
54
55#include <ctype.h>
56#include <fcntl.h>
57#include <sm/io.h>
58#include <stdlib.h>
59#include <sm/string.h>
60#include <unistd.h>
61#ifdef EX_OK
62# undef EX_OK /* unistd.h may have another use for this */
63#endif /* EX_OK */
64#include <sysexits.h>
65
66#include <sm/conf.h>
67#include <sm/errstring.h>
68#include <sendmail/pathnames.h>
69
70static void err __P((int, const char *, ...));
71static void usage __P((void));
72static char *xalloc __P((int));
73
74#define newstr(s) strcpy(xalloc(strlen(s) + 1), s)
75
76static char *
77xalloc(sz)
78 register int sz;
79{
80 register char *p;
81
82 /* some systems can't handle size zero mallocs */
83 if (sz <= 0)
84 sz = 1;
85
86 p = malloc(sz);
87 if (p == NULL)
88 err(EX_TEMPFAIL, "out of memory");
89 return (p);
90}
91
92int
93main(argc, argv)
94 int argc;
95 char *argv[];
96{
97 int ch, debug, i, pdes[2], pid, status;
98 size_t fplen = 0, fptlen = 0, len;
99 off_t offset;
100 SM_FILE_T *fp;
101 char *addrp = NULL, *domain, *p, *t;
102 char *from_path, *from_sys, *from_user;
103 char **args, buf[2048], lbuf[2048];
104 struct stat sb;
105 extern char *optarg;
106 extern int optind;
107
108 debug = 0;
109 domain = "UUCP"; /* Default "domain". */
110 while ((ch = getopt(argc, argv, "D:T")) != -1)
111 {
112 switch (ch)
113 {
114 case 'T':
115 debug = 1;
116 break;
117
118 case 'D':
119 domain = optarg;
120 break;
121
122 case '?':
123 default:
124 usage();
125 }
126 }
127
128 argc -= optind;
129 argv += optind;
130
131 if (argc < 1)
132 usage();
133
134 from_path = from_sys = from_user = NULL;
135 for (offset = 0; ; )
136 {
137 /* Get and nul-terminate the line. */
138 if (sm_io_fgets(smioin, SM_TIME_DEFAULT, lbuf,
| 24
25/*
26 * RMAIL -- UUCP mail server.
27 *
28 * This program reads the >From ... remote from ... lines that UUCP is so
29 * fond of and turns them into something reasonable. It then execs sendmail
30 * with various options built from these lines.
31 *
32 * The expected syntax is:
33 *
34 * <user> := [-a-z0-9]+
35 * <date> := ctime format
36 * <site> := [-a-z0-9!]+
37 * <blank line> := "^\n$"
38 * <from> := "From" <space> <user> <space> <date>
39 * [<space> "remote from" <space> <site>]
40 * <forward> := ">" <from>
41 * msg := <from> <forward>* <blank-line> <body>
42 *
43 * The output of rmail(8) compresses the <forward> lines into a single
44 * from path.
45 *
46 * The err(3) routine is included here deliberately to make this code
47 * a bit more portable.
48 */
49
50#include <sys/types.h>
51#include <sys/param.h>
52#include <sys/stat.h>
53#include <sys/wait.h>
54
55#include <ctype.h>
56#include <fcntl.h>
57#include <sm/io.h>
58#include <stdlib.h>
59#include <sm/string.h>
60#include <unistd.h>
61#ifdef EX_OK
62# undef EX_OK /* unistd.h may have another use for this */
63#endif /* EX_OK */
64#include <sysexits.h>
65
66#include <sm/conf.h>
67#include <sm/errstring.h>
68#include <sendmail/pathnames.h>
69
70static void err __P((int, const char *, ...));
71static void usage __P((void));
72static char *xalloc __P((int));
73
74#define newstr(s) strcpy(xalloc(strlen(s) + 1), s)
75
76static char *
77xalloc(sz)
78 register int sz;
79{
80 register char *p;
81
82 /* some systems can't handle size zero mallocs */
83 if (sz <= 0)
84 sz = 1;
85
86 p = malloc(sz);
87 if (p == NULL)
88 err(EX_TEMPFAIL, "out of memory");
89 return (p);
90}
91
92int
93main(argc, argv)
94 int argc;
95 char *argv[];
96{
97 int ch, debug, i, pdes[2], pid, status;
98 size_t fplen = 0, fptlen = 0, len;
99 off_t offset;
100 SM_FILE_T *fp;
101 char *addrp = NULL, *domain, *p, *t;
102 char *from_path, *from_sys, *from_user;
103 char **args, buf[2048], lbuf[2048];
104 struct stat sb;
105 extern char *optarg;
106 extern int optind;
107
108 debug = 0;
109 domain = "UUCP"; /* Default "domain". */
110 while ((ch = getopt(argc, argv, "D:T")) != -1)
111 {
112 switch (ch)
113 {
114 case 'T':
115 debug = 1;
116 break;
117
118 case 'D':
119 domain = optarg;
120 break;
121
122 case '?':
123 default:
124 usage();
125 }
126 }
127
128 argc -= optind;
129 argv += optind;
130
131 if (argc < 1)
132 usage();
133
134 from_path = from_sys = from_user = NULL;
135 for (offset = 0; ; )
136 {
137 /* Get and nul-terminate the line. */
138 if (sm_io_fgets(smioin, SM_TIME_DEFAULT, lbuf,
|
140 err(EX_DATAERR, "no data");
141 if ((p = strchr(lbuf, '\n')) == NULL)
142 err(EX_DATAERR, "line too long");
143 *p = '\0';
144
145 /* Parse lines until reach a non-"From" line. */
146 if (!strncmp(lbuf, "From ", 5))
147 addrp = lbuf + 5;
148 else if (!strncmp(lbuf, ">From ", 6))
149 addrp = lbuf + 6;
150 else if (offset == 0)
151 err(EX_DATAERR,
152 "missing or empty From line: %s", lbuf);
153 else
154 {
155 *p = '\n';
156 break;
157 }
158
159 if (addrp == NULL || *addrp == '\0')
160 err(EX_DATAERR, "corrupted From line: %s", lbuf);
161
162 /* Use the "remote from" if it exists. */
163 for (p = addrp; (p = strchr(p + 1, 'r')) != NULL; )
164 {
165 if (!strncmp(p, "remote from ", 12))
166 {
167 for (t = p += 12; *t != '\0'; ++t)
168 {
169 if (isascii(*t) && isspace(*t))
170 break;
171 }
172 *t = '\0';
173 if (debug)
174 (void) sm_io_fprintf(smioerr,
175 SM_TIME_DEFAULT,
176 "remote from: %s\n",
177 p);
178 break;
179 }
180 }
181
182 /* Else use the string up to the last bang. */
183 if (p == NULL)
184 {
185 if (*addrp == '!')
186 err(EX_DATAERR, "bang starts address: %s",
187 addrp);
188 else if ((t = strrchr(addrp, '!')) != NULL)
189 {
190 *t = '\0';
191 p = addrp;
192 addrp = t + 1;
193 if (*addrp == '\0')
194 err(EX_DATAERR,
195 "corrupted From line: %s", lbuf);
196 if (debug)
197 (void) sm_io_fprintf(smioerr,
198 SM_TIME_DEFAULT,
199 "bang: %s\n", p);
200 }
201 }
202
203 /* 'p' now points to any system string from this line. */
204 if (p != NULL)
205 {
206 /* Nul terminate it as necessary. */
207 for (t = p; *t != '\0'; ++t)
208 {
209 if (isascii(*t) && isspace(*t))
210 break;
211 }
212 *t = '\0';
213
214 /* If the first system, copy to the from_sys string. */
215 if (from_sys == NULL)
216 {
217 from_sys = newstr(p);
218 if (debug)
219 (void) sm_io_fprintf(smioerr,
220 SM_TIME_DEFAULT,
221 "from_sys: %s\n",
222 from_sys);
223 }
224
225 /* Concatenate to the path string. */
226 len = t - p;
227 if (from_path == NULL)
228 {
229 fplen = 0;
230 if ((from_path = malloc(fptlen = 256)) == NULL)
231 err(EX_TEMPFAIL, "out of memory");
232 }
233 if (fplen + len + 2 > fptlen)
234 {
235 fptlen += SM_MAX(fplen + len + 2, 256);
236 if ((from_path = realloc(from_path,
237 fptlen)) == NULL)
238 err(EX_TEMPFAIL, "out of memory");
239 }
240 memmove(from_path + fplen, p, len);
241 fplen += len;
242 from_path[fplen++] = '!';
243 from_path[fplen] = '\0';
244 }
245
246 /* Save off from user's address; the last one wins. */
247 for (p = addrp; *p != '\0'; ++p)
248 {
249 if (isascii(*p) && isspace(*p))
250 break;
251 }
252 *p = '\0';
253 if (*addrp == '\0')
254 addrp = "<>";
255 if (from_user != NULL)
256 free(from_user);
257 from_user = newstr(addrp);
258
259 if (debug)
260 {
261 if (from_path != NULL)
262 (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT,
263 "from_path: %s\n",
264 from_path);
265 (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT,
266 "from_user: %s\n", from_user);
267 }
268
269 if (offset != -1)
270 offset = (off_t)sm_io_tell(smioin, SM_TIME_DEFAULT);
271 }
272
273
274 /* Allocate args (with room for sendmail args as well as recipients */
275 args = (char **)xalloc(sizeof(*args) * (10 + argc));
276
277 i = 0;
278 args[i++] = _PATH_SENDMAIL; /* Build sendmail's argument list. */
279 args[i++] = "-G"; /* relay submission */
280 args[i++] = "-oee"; /* No errors, just status. */
281#ifdef QUEUE_ONLY
282 args[i++] = "-odq"; /* Queue it, don't try to deliver. */
283#else
284 args[i++] = "-odi"; /* Deliver in foreground. */
285#endif
286 args[i++] = "-oi"; /* Ignore '.' on a line by itself. */
287
288 /* set from system and protocol used */
289 if (from_sys == NULL)
290 sm_snprintf(buf, sizeof(buf), "-p%s", domain);
291 else if (strchr(from_sys, '.') == NULL)
292 sm_snprintf(buf, sizeof(buf), "-p%s:%s.%s",
293 domain, from_sys, domain);
294 else
295 sm_snprintf(buf, sizeof(buf), "-p%s:%s", domain, from_sys);
296 args[i++] = newstr(buf);
297
298 /* Set name of ``from'' person. */
299 sm_snprintf(buf, sizeof(buf), "-f%s%s",
300 from_path ? from_path : "", from_user);
301 args[i++] = newstr(buf);
302
303 /*
304 ** Don't copy arguments beginning with - as they will be
305 ** passed to sendmail and could be interpreted as flags.
306 ** To prevent confusion of sendmail wrap < and > around
307 ** the address (helps to pass addrs like @gw1,@gw2:aa@bb)
308 */
309
310 while (*argv != NULL)
311 {
312 if (**argv == '-')
313 err(EX_USAGE, "dash precedes argument: %s", *argv);
314
315 if (strchr(*argv, ',') == NULL || strchr(*argv, '<') != NULL)
316 args[i++] = *argv;
317 else
318 {
319 len = strlen(*argv) + 3;
320 if ((args[i] = malloc(len)) == NULL)
321 err(EX_TEMPFAIL, "Cannot malloc");
322 sm_snprintf(args[i++], len, "<%s>", *argv);
323 }
324 argv++;
325 argc--;
326
327 /* Paranoia check, argc used for args[] bound */
328 if (argc < 0)
329 err(EX_SOFTWARE, "Argument count mismatch");
330 }
331 args[i] = NULL;
332
333 if (debug)
334 {
335 (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT,
336 "Sendmail arguments:\n");
337 for (i = 0; args[i] != NULL; i++)
338 (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT,
339 "\t%s\n", args[i]);
340 }
341
342 /*
343 ** If called with a regular file as standard input, seek to the right
344 ** position in the file and just exec sendmail. Could probably skip
345 ** skip the stat, but it's not unreasonable to believe that a failed
346 ** seek will cause future reads to fail.
347 */
348
349 if (!fstat(STDIN_FILENO, &sb) && S_ISREG(sb.st_mode))
350 {
351 if (lseek(STDIN_FILENO, offset, SEEK_SET) != offset)
352 err(EX_TEMPFAIL, "stdin seek");
353 (void) execv(_PATH_SENDMAIL, args);
354 err(EX_OSERR, "%s", _PATH_SENDMAIL);
355 }
356
357 if (pipe(pdes) < 0)
358 err(EX_OSERR, "pipe failed");
359
360 switch (pid = fork())
361 {
362 case -1: /* Err. */
363 err(EX_OSERR, "fork failed");
364 /* NOTREACHED */
365
366 case 0: /* Child. */
367 if (pdes[0] != STDIN_FILENO)
368 {
369 (void) dup2(pdes[0], STDIN_FILENO);
370 (void) close(pdes[0]);
371 }
372 (void) close(pdes[1]);
373 (void) execv(_PATH_SENDMAIL, args);
374 err(EX_UNAVAILABLE, "%s", _PATH_SENDMAIL);
375 /* NOTREACHED */
376 }
377
378 if ((fp = sm_io_open(SmFtStdiofd, SM_TIME_DEFAULT, (void *) &(pdes[1]),
379 SM_IO_WRONLY, NULL)) == NULL)
380 err(EX_OSERR, "sm_io_open failed");
381 (void) close(pdes[0]);
382
383 /* Copy the file down the pipe. */
384 do
385 {
386 (void) sm_io_fprintf(fp, SM_TIME_DEFAULT, "%s", lbuf);
387 } while (sm_io_fgets(smioin, SM_TIME_DEFAULT, lbuf,
| 140 err(EX_DATAERR, "no data");
141 if ((p = strchr(lbuf, '\n')) == NULL)
142 err(EX_DATAERR, "line too long");
143 *p = '\0';
144
145 /* Parse lines until reach a non-"From" line. */
146 if (!strncmp(lbuf, "From ", 5))
147 addrp = lbuf + 5;
148 else if (!strncmp(lbuf, ">From ", 6))
149 addrp = lbuf + 6;
150 else if (offset == 0)
151 err(EX_DATAERR,
152 "missing or empty From line: %s", lbuf);
153 else
154 {
155 *p = '\n';
156 break;
157 }
158
159 if (addrp == NULL || *addrp == '\0')
160 err(EX_DATAERR, "corrupted From line: %s", lbuf);
161
162 /* Use the "remote from" if it exists. */
163 for (p = addrp; (p = strchr(p + 1, 'r')) != NULL; )
164 {
165 if (!strncmp(p, "remote from ", 12))
166 {
167 for (t = p += 12; *t != '\0'; ++t)
168 {
169 if (isascii(*t) && isspace(*t))
170 break;
171 }
172 *t = '\0';
173 if (debug)
174 (void) sm_io_fprintf(smioerr,
175 SM_TIME_DEFAULT,
176 "remote from: %s\n",
177 p);
178 break;
179 }
180 }
181
182 /* Else use the string up to the last bang. */
183 if (p == NULL)
184 {
185 if (*addrp == '!')
186 err(EX_DATAERR, "bang starts address: %s",
187 addrp);
188 else if ((t = strrchr(addrp, '!')) != NULL)
189 {
190 *t = '\0';
191 p = addrp;
192 addrp = t + 1;
193 if (*addrp == '\0')
194 err(EX_DATAERR,
195 "corrupted From line: %s", lbuf);
196 if (debug)
197 (void) sm_io_fprintf(smioerr,
198 SM_TIME_DEFAULT,
199 "bang: %s\n", p);
200 }
201 }
202
203 /* 'p' now points to any system string from this line. */
204 if (p != NULL)
205 {
206 /* Nul terminate it as necessary. */
207 for (t = p; *t != '\0'; ++t)
208 {
209 if (isascii(*t) && isspace(*t))
210 break;
211 }
212 *t = '\0';
213
214 /* If the first system, copy to the from_sys string. */
215 if (from_sys == NULL)
216 {
217 from_sys = newstr(p);
218 if (debug)
219 (void) sm_io_fprintf(smioerr,
220 SM_TIME_DEFAULT,
221 "from_sys: %s\n",
222 from_sys);
223 }
224
225 /* Concatenate to the path string. */
226 len = t - p;
227 if (from_path == NULL)
228 {
229 fplen = 0;
230 if ((from_path = malloc(fptlen = 256)) == NULL)
231 err(EX_TEMPFAIL, "out of memory");
232 }
233 if (fplen + len + 2 > fptlen)
234 {
235 fptlen += SM_MAX(fplen + len + 2, 256);
236 if ((from_path = realloc(from_path,
237 fptlen)) == NULL)
238 err(EX_TEMPFAIL, "out of memory");
239 }
240 memmove(from_path + fplen, p, len);
241 fplen += len;
242 from_path[fplen++] = '!';
243 from_path[fplen] = '\0';
244 }
245
246 /* Save off from user's address; the last one wins. */
247 for (p = addrp; *p != '\0'; ++p)
248 {
249 if (isascii(*p) && isspace(*p))
250 break;
251 }
252 *p = '\0';
253 if (*addrp == '\0')
254 addrp = "<>";
255 if (from_user != NULL)
256 free(from_user);
257 from_user = newstr(addrp);
258
259 if (debug)
260 {
261 if (from_path != NULL)
262 (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT,
263 "from_path: %s\n",
264 from_path);
265 (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT,
266 "from_user: %s\n", from_user);
267 }
268
269 if (offset != -1)
270 offset = (off_t)sm_io_tell(smioin, SM_TIME_DEFAULT);
271 }
272
273
274 /* Allocate args (with room for sendmail args as well as recipients */
275 args = (char **)xalloc(sizeof(*args) * (10 + argc));
276
277 i = 0;
278 args[i++] = _PATH_SENDMAIL; /* Build sendmail's argument list. */
279 args[i++] = "-G"; /* relay submission */
280 args[i++] = "-oee"; /* No errors, just status. */
281#ifdef QUEUE_ONLY
282 args[i++] = "-odq"; /* Queue it, don't try to deliver. */
283#else
284 args[i++] = "-odi"; /* Deliver in foreground. */
285#endif
286 args[i++] = "-oi"; /* Ignore '.' on a line by itself. */
287
288 /* set from system and protocol used */
289 if (from_sys == NULL)
290 sm_snprintf(buf, sizeof(buf), "-p%s", domain);
291 else if (strchr(from_sys, '.') == NULL)
292 sm_snprintf(buf, sizeof(buf), "-p%s:%s.%s",
293 domain, from_sys, domain);
294 else
295 sm_snprintf(buf, sizeof(buf), "-p%s:%s", domain, from_sys);
296 args[i++] = newstr(buf);
297
298 /* Set name of ``from'' person. */
299 sm_snprintf(buf, sizeof(buf), "-f%s%s",
300 from_path ? from_path : "", from_user);
301 args[i++] = newstr(buf);
302
303 /*
304 ** Don't copy arguments beginning with - as they will be
305 ** passed to sendmail and could be interpreted as flags.
306 ** To prevent confusion of sendmail wrap < and > around
307 ** the address (helps to pass addrs like @gw1,@gw2:aa@bb)
308 */
309
310 while (*argv != NULL)
311 {
312 if (**argv == '-')
313 err(EX_USAGE, "dash precedes argument: %s", *argv);
314
315 if (strchr(*argv, ',') == NULL || strchr(*argv, '<') != NULL)
316 args[i++] = *argv;
317 else
318 {
319 len = strlen(*argv) + 3;
320 if ((args[i] = malloc(len)) == NULL)
321 err(EX_TEMPFAIL, "Cannot malloc");
322 sm_snprintf(args[i++], len, "<%s>", *argv);
323 }
324 argv++;
325 argc--;
326
327 /* Paranoia check, argc used for args[] bound */
328 if (argc < 0)
329 err(EX_SOFTWARE, "Argument count mismatch");
330 }
331 args[i] = NULL;
332
333 if (debug)
334 {
335 (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT,
336 "Sendmail arguments:\n");
337 for (i = 0; args[i] != NULL; i++)
338 (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT,
339 "\t%s\n", args[i]);
340 }
341
342 /*
343 ** If called with a regular file as standard input, seek to the right
344 ** position in the file and just exec sendmail. Could probably skip
345 ** skip the stat, but it's not unreasonable to believe that a failed
346 ** seek will cause future reads to fail.
347 */
348
349 if (!fstat(STDIN_FILENO, &sb) && S_ISREG(sb.st_mode))
350 {
351 if (lseek(STDIN_FILENO, offset, SEEK_SET) != offset)
352 err(EX_TEMPFAIL, "stdin seek");
353 (void) execv(_PATH_SENDMAIL, args);
354 err(EX_OSERR, "%s", _PATH_SENDMAIL);
355 }
356
357 if (pipe(pdes) < 0)
358 err(EX_OSERR, "pipe failed");
359
360 switch (pid = fork())
361 {
362 case -1: /* Err. */
363 err(EX_OSERR, "fork failed");
364 /* NOTREACHED */
365
366 case 0: /* Child. */
367 if (pdes[0] != STDIN_FILENO)
368 {
369 (void) dup2(pdes[0], STDIN_FILENO);
370 (void) close(pdes[0]);
371 }
372 (void) close(pdes[1]);
373 (void) execv(_PATH_SENDMAIL, args);
374 err(EX_UNAVAILABLE, "%s", _PATH_SENDMAIL);
375 /* NOTREACHED */
376 }
377
378 if ((fp = sm_io_open(SmFtStdiofd, SM_TIME_DEFAULT, (void *) &(pdes[1]),
379 SM_IO_WRONLY, NULL)) == NULL)
380 err(EX_OSERR, "sm_io_open failed");
381 (void) close(pdes[0]);
382
383 /* Copy the file down the pipe. */
384 do
385 {
386 (void) sm_io_fprintf(fp, SM_TIME_DEFAULT, "%s", lbuf);
387 } while (sm_io_fgets(smioin, SM_TIME_DEFAULT, lbuf,
|
389
390 if (sm_io_error(smioin))
391 err(EX_TEMPFAIL, "stdin: %s", sm_errstring(errno));
392
393 if (sm_io_close(fp, SM_TIME_DEFAULT))
394 err(EX_OSERR, "sm_io_close failed");
395
396 if ((waitpid(pid, &status, 0)) == -1)
397 err(EX_OSERR, "%s", _PATH_SENDMAIL);
398
399 if (!WIFEXITED(status))
400 err(EX_OSERR, "%s: did not terminate normally", _PATH_SENDMAIL);
401
402 if (WEXITSTATUS(status))
403 err(status, "%s: terminated with %d (non-zero) status",
404 _PATH_SENDMAIL, WEXITSTATUS(status));
405 exit(EX_OK);
406 /* NOTREACHED */
407 return EX_OK;
408}
409
410static void
411usage()
412{
413 (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT,
414 "usage: rmail [-T] [-D domain] user ...\n");
415 exit(EX_USAGE);
416}
417
418static void
419#ifdef __STDC__
420err(int eval, const char *fmt, ...)
421#else /* __STDC__ */
422err(eval, fmt, va_alist)
423 int eval;
424 const char *fmt;
425 va_dcl
426#endif /* __STDC__ */
427{
428 SM_VA_LOCAL_DECL
429
430 if (fmt != NULL)
431 {
432 SM_VA_START(ap, fmt);
433 (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, "rmail: ");
434 (void) sm_io_vfprintf(smioerr, SM_TIME_DEFAULT, fmt, ap);
435 SM_VA_END(ap);
436 (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, "\n");
437 }
438 exit(eval);
439}
| 389
390 if (sm_io_error(smioin))
391 err(EX_TEMPFAIL, "stdin: %s", sm_errstring(errno));
392
393 if (sm_io_close(fp, SM_TIME_DEFAULT))
394 err(EX_OSERR, "sm_io_close failed");
395
396 if ((waitpid(pid, &status, 0)) == -1)
397 err(EX_OSERR, "%s", _PATH_SENDMAIL);
398
399 if (!WIFEXITED(status))
400 err(EX_OSERR, "%s: did not terminate normally", _PATH_SENDMAIL);
401
402 if (WEXITSTATUS(status))
403 err(status, "%s: terminated with %d (non-zero) status",
404 _PATH_SENDMAIL, WEXITSTATUS(status));
405 exit(EX_OK);
406 /* NOTREACHED */
407 return EX_OK;
408}
409
410static void
411usage()
412{
413 (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT,
414 "usage: rmail [-T] [-D domain] user ...\n");
415 exit(EX_USAGE);
416}
417
418static void
419#ifdef __STDC__
420err(int eval, const char *fmt, ...)
421#else /* __STDC__ */
422err(eval, fmt, va_alist)
423 int eval;
424 const char *fmt;
425 va_dcl
426#endif /* __STDC__ */
427{
428 SM_VA_LOCAL_DECL
429
430 if (fmt != NULL)
431 {
432 SM_VA_START(ap, fmt);
433 (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, "rmail: ");
434 (void) sm_io_vfprintf(smioerr, SM_TIME_DEFAULT, fmt, ap);
435 SM_VA_END(ap);
436 (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, "\n");
437 }
438 exit(eval);
439}
|