2 * Copyright (c) 1996, Gary J. Palmer
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer,
11 * verbatim and that no modifications are made prior to this
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * ctm_dequeue: Dequeue queued delta pieces and mail them.
35 * The pieces have already been packaged up as mail messages by ctm_smail,
36 * and will be simply passed to sendmail in alphabetical order.
44 #include <sys/types.h>
54 #define DEFAULT_NUM 1 /* Default number of pieces mailed per run. */
56 int fts_sort(const FTSENT * const *, const FTSENT * const *);
57 int run_sendmail(int ifd);
60 main(int argc, char **argv)
62 char *log_file = NULL;
63 char *queue_dir = NULL;
65 int num_to_send = DEFAULT_NUM, chunk;
70 char filename[PATH_MAX];
72 err_prog_name(argv[0]);
74 OPTIONS("[-l log] [-n num] queuedir")
75 NUMBER('n', num_to_send)
83 err_set_log(log_file);
89 fts = fts_open(list, FTS_PHYSICAL|FTS_COMFOLLOW, fts_sort);
92 err("fts failed on `%s'", queue_dir);
96 ftsent = fts_read(fts);
97 if (ftsent == NULL || ftsent->fts_info != FTS_D)
99 err("not a directory: %s", queue_dir);
103 ftsent = fts_children(fts, 0);
104 if (ftsent == NULL && errno)
106 err("*ftschildren failed");
110 for (chunk = 1; ftsent != NULL; ftsent = ftsent->fts_link)
113 * Skip non-files and ctm_smail tmp files (ones starting with `.')
115 if (ftsent->fts_info != FTS_F || ftsent->fts_name[0] == '.')
118 sprintf(filename, "%s/%s", queue_dir, ftsent->fts_name);
119 fd = open(filename, O_RDONLY);
122 err("*open: %s", filename);
126 if (run_sendmail(fd))
131 if (unlink(filename) < 0)
133 err("*unlink: %s", filename);
138 * Deduce the delta, piece number, and number of pieces from
139 * the name of the file in the queue. Ideally, we should be
140 * able to get the mail alias name too.
142 * NOTE: This depends intimately on the queue name used in ctm_smail.
144 npieces = atoi(&ftsent->fts_name[ftsent->fts_namelen-3]);
145 piece = atoi(&ftsent->fts_name[ftsent->fts_namelen-7]);
146 err("%.*s %d/%d sent", (int)(ftsent->fts_namelen-8), ftsent->fts_name,
149 if (chunk++ == num_to_send)
159 fts_sort(const FTSENT * const * a, const FTSENT * const * b)
161 if ((*a)->fts_info != FTS_F)
163 if ((*a)->fts_info != FTS_F)
166 return (strcmp((*a)->fts_name, (*b)->fts_name));
170 * Run sendmail with the given file descriptor as standard input.
171 * Sendmail will decode the destination from the message contents.
172 * Returns 0 on success, 1 on failure.
175 run_sendmail(int ifd)
180 switch (child = fork())
188 execl(_PATH_SENDMAIL, _PATH_SENDMAIL, "-odq", "-t", (char *)NULL);
189 err("*exec: %s", _PATH_SENDMAIL);
192 default: /* Parent */
193 while ((pid = wait(&status)) != child)
195 if (pid == -1 && errno != EINTR)
201 if (!WIFEXITED(status) || WEXITSTATUS(status) != 0)
203 err("sendmail failed");