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/* $OpenBSD: send.c,v 1.24 2015/01/20 16:59:07 millert Exp $ */ |
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/* $NetBSD: send.c,v 1.6 1996/06/08 19:48:39 christos Exp $ */ |
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/* |
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* Copyright (c) 1980, 1993 |
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* The Regents of the University of California. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* 3. Neither the name of the University nor the names of its contributors |
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* may be used to endorse or promote products derived from this software |
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* without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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* SUCH DAMAGE. |
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*/ |
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#include "rcv.h" |
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#include "extern.h" |
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static volatile sig_atomic_t sendsignal; /* Interrupted by a signal? */ |
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/* |
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* Mail -- a mail program |
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* |
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* Mail to others. |
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*/ |
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/* |
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* Send message described by the passed pointer to the |
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* passed output buffer. Return -1 on error. |
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* Adjust the status: field if need be. |
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* If doign is given, suppress ignored header fields. |
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* prefix is a string to prepend to each output line. |
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*/ |
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int |
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sendmessage(struct message *mp, FILE *obuf, struct ignoretab *doign, |
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char *prefix) |
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{ |
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int count; |
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FILE *ibuf; |
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char line[LINESIZE]; |
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char visline[4 * LINESIZE - 3]; |
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int ishead, infld, ignoring = 0, dostat, firstline; |
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char *cp, *cp2; |
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int c = 0; |
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int length; |
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int prefixlen = 0; |
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int rval; |
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int dovis; |
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struct sigaction act, saveint; |
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sigset_t oset; |
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sendsignal = 0; |
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rval = -1; |
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dovis = isatty(fileno(obuf)); |
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sigemptyset(&act.sa_mask); |
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act.sa_flags = SA_RESTART; |
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act.sa_handler = sendint; |
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(void)sigaction(SIGINT, &act, &saveint); |
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(void)sigprocmask(SIG_UNBLOCK, &intset, &oset); |
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|
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/* |
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* Compute the prefix string, without trailing whitespace |
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*/ |
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if (prefix != NULL) { |
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cp2 = 0; |
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for (cp = prefix; *cp; cp++) |
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if (*cp != ' ' && *cp != '\t') |
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cp2 = cp; |
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prefixlen = cp2 == 0 ? 0 : cp2 - prefix + 1; |
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} |
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ibuf = setinput(mp); |
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count = mp->m_size; |
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ishead = 1; |
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dostat = doign == 0 || !isign("status", doign); |
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infld = 0; |
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firstline = 1; |
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/* |
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* Process headers first |
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*/ |
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while (count > 0 && ishead) { |
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if (fgets(line, sizeof(line), ibuf) == NULL) |
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break; |
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count -= length = strlen(line); |
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if (firstline) { |
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/* |
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* First line is the From line, so no headers |
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* there to worry about |
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*/ |
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firstline = 0; |
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ignoring = doign == ignoreall; |
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} else if (line[0] == '\n') { |
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/* |
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* If line is blank, we've reached end of |
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* headers, so force out status: field |
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* and note that we are no longer in header |
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* fields |
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*/ |
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if (dostat) { |
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if (statusput(mp, obuf, prefix) == -1) |
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goto out; |
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dostat = 0; |
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} |
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ishead = 0; |
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ignoring = doign == ignoreall; |
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} else if (infld && (line[0] == ' ' || line[0] == '\t')) { |
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/* |
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* If this line is a continuation (via space or tab) |
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* of a previous header field, just echo it |
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* (unless the field should be ignored). |
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* In other words, nothing to do. |
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*/ |
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} else { |
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/* |
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* Pick up the header field if we have one. |
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*/ |
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for (cp = line; |
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(c = (unsigned char)*cp++) && c != ':' && !isspace(c); ) |
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; |
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cp2 = --cp; |
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while (isspace((unsigned char)*cp++)) |
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; |
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if (cp[-1] != ':') { |
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/* |
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* Not a header line, force out status: |
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* This happens in uucp style mail where |
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* there are no headers at all. |
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*/ |
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if (dostat) { |
146 |
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if (statusput(mp, obuf, prefix) == -1) |
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goto out; |
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dostat = 0; |
149 |
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} |
150 |
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if (doign != ignoreall) |
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/* add blank line */ |
152 |
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(void)putc('\n', obuf); |
153 |
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ishead = 0; |
154 |
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ignoring = 0; |
155 |
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} else { |
156 |
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/* |
157 |
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* If it is an ignored field and |
158 |
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* we care about such things, skip it. |
159 |
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*/ |
160 |
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*cp2 = 0; /* temporarily null terminate */ |
161 |
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if (doign && isign(line, doign)) |
162 |
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ignoring = 1; |
163 |
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else if (strcasecmp(line, "status") == 0) { |
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/* |
165 |
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* If the field is "status," go compute |
166 |
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* and print the real Status: field |
167 |
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*/ |
168 |
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if (dostat) { |
169 |
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if (statusput(mp, obuf, prefix) == -1) |
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goto out; |
171 |
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dostat = 0; |
172 |
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} |
173 |
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ignoring = 1; |
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} else { |
175 |
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ignoring = 0; |
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*cp2 = c; /* restore */ |
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} |
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infld = 1; |
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} |
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} |
181 |
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if (!ignoring) { |
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/* |
183 |
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* Strip trailing whitespace from prefix |
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* if line is blank. |
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*/ |
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if (prefix != NULL) { |
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if (length > 1) |
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fputs(prefix, obuf); |
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else |
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(void)fwrite(prefix, sizeof(*prefix), |
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prefixlen, obuf); |
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} |
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if (dovis) { |
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length = strvis(visline, line, VIS_SAFE|VIS_NOSLASH); |
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(void)fwrite(visline, sizeof(*visline), length, obuf); |
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} else |
197 |
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(void)fwrite(line, sizeof(*line), length, obuf); |
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if (ferror(obuf)) |
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goto out; |
200 |
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} |
201 |
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if (sendsignal == SIGINT) |
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goto out; |
203 |
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} |
204 |
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/* |
205 |
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* Copy out message body |
206 |
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*/ |
207 |
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if (doign == ignoreall) |
208 |
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count--; /* skip final blank line */ |
209 |
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while (count > 0) { |
210 |
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if (fgets(line, sizeof(line), ibuf) == NULL) { |
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c = 0; |
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break; |
213 |
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} |
214 |
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count -= c = strlen(line); |
215 |
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if (prefix != NULL) { |
216 |
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/* |
217 |
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* Strip trailing whitespace from prefix |
218 |
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* if line is blank. |
219 |
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*/ |
220 |
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if (c > 1) |
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fputs(prefix, obuf); |
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else |
223 |
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(void)fwrite(prefix, sizeof(*prefix), |
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prefixlen, obuf); |
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} |
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/* |
227 |
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* We can't read the record file (or inbox for recipient) |
228 |
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* properly with 'From ' lines in the message body (from |
229 |
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* forwarded messages or sentences starting with "From "), |
230 |
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* so we will prepend those lines with a '>'. |
231 |
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*/ |
232 |
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if (strncmp(line, "From ", 5) == 0) |
233 |
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(void)fwrite(">", 1, 1, obuf); /* '>' before 'From ' */ |
234 |
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if (dovis) { |
235 |
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length = strvis(visline, line, VIS_SAFE|VIS_NOSLASH); |
236 |
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(void)fwrite(visline, sizeof(*visline), length, obuf); |
237 |
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} else |
238 |
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(void)fwrite(line, sizeof(*line), c, obuf); |
239 |
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if (ferror(obuf) || sendsignal == SIGINT) |
240 |
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goto out; |
241 |
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} |
242 |
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if (doign == ignoreall && c > 0 && line[c - 1] != '\n') |
243 |
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/* no final blank line */ |
244 |
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if ((c = getc(ibuf)) != EOF && putc(c, obuf) == EOF) |
245 |
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goto out; |
246 |
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rval = 0; |
247 |
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out: |
248 |
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sendsignal = 0; |
249 |
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(void)sigprocmask(SIG_SETMASK, &oset, NULL); |
250 |
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(void)sigaction(SIGINT, &saveint, NULL); |
251 |
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return(rval); |
252 |
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} |
253 |
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254 |
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/* |
255 |
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* Output a reasonable looking status field. |
256 |
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*/ |
257 |
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int |
258 |
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statusput(struct message *mp, FILE *obuf, char *prefix) |
259 |
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{ |
260 |
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char statout[3]; |
261 |
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char *cp = statout; |
262 |
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263 |
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if (mp->m_flag & MREAD) |
264 |
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*cp++ = 'R'; |
265 |
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if ((mp->m_flag & MNEW) == 0) |
266 |
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*cp++ = 'O'; |
267 |
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*cp = 0; |
268 |
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if (statout[0]) { |
269 |
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fprintf(obuf, "%sStatus: %s\n", |
270 |
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prefix == NULL ? "" : prefix, statout); |
271 |
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return(ferror(obuf) ? -1 : 0); |
272 |
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} |
273 |
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return(0); |
274 |
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} |
275 |
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|
276 |
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/* |
277 |
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* Interface between the argument list and the mail1 routine |
278 |
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* which does all the dirty work. |
279 |
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*/ |
280 |
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int |
281 |
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mail(struct name *to, struct name *cc, struct name *bcc, struct name *smopts, |
282 |
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char *fromaddr, char *subject) |
283 |
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{ |
284 |
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4 |
struct header head; |
285 |
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|
286 |
|
2 |
head.h_to = to; |
287 |
|
2 |
head.h_from = fromaddr; |
288 |
|
2 |
head.h_subject = subject; |
289 |
|
2 |
head.h_cc = cc; |
290 |
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2 |
head.h_bcc = bcc; |
291 |
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2 |
head.h_smopts = smopts; |
292 |
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2 |
mail1(&head, 0); |
293 |
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2 |
return(0); |
294 |
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2 |
} |
295 |
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|
296 |
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/* |
297 |
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* Send mail to a bunch of user names. The interface is through |
298 |
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* the mail routine below. |
299 |
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*/ |
300 |
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int |
301 |
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sendmail(void *v) |
302 |
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{ |
303 |
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char *str = v; |
304 |
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struct header head; |
305 |
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|
306 |
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head.h_to = extract(str, GTO); |
307 |
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head.h_from = NULL; |
308 |
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head.h_subject = NULL; |
309 |
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head.h_cc = NULL; |
310 |
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head.h_bcc = NULL; |
311 |
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head.h_smopts = NULL; |
312 |
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mail1(&head, 0); |
313 |
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return(0); |
314 |
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} |
315 |
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|
316 |
|
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/* |
317 |
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* Mail a message on standard input to the people indicated |
318 |
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* in the passed header. (Internal interface). |
319 |
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*/ |
320 |
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void |
321 |
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mail1(struct header *hp, int printheaders) |
322 |
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{ |
323 |
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char *cp, *envfrom = NULL; |
324 |
|
4 |
char *argv[8]; |
325 |
|
2 |
char **ap = argv; |
326 |
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|
pid_t pid; |
327 |
|
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struct name *to; |
328 |
|
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FILE *mtf; |
329 |
|
|
|
330 |
|
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/* |
331 |
|
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* Collect user's mail from standard input. |
332 |
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* Get the result as mtf. |
333 |
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*/ |
334 |
✗✓ |
2 |
if ((mtf = collect(hp, printheaders)) == NULL) |
335 |
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|
return; |
336 |
✗✓ |
2 |
if (fsize(mtf) == 0) { |
337 |
|
|
if (value("skipempty") != NULL) |
338 |
|
|
goto out; |
339 |
|
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if (hp->h_subject == NULL || *hp->h_subject == '\0') |
340 |
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puts("No message, no subject; hope that's ok"); |
341 |
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else |
342 |
|
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puts("Null message body; hope that's ok"); |
343 |
|
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} |
344 |
|
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/* |
345 |
|
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* Now, take the user names from the combined |
346 |
|
|
* to and cc lists and do all the alias |
347 |
|
|
* processing. |
348 |
|
|
*/ |
349 |
|
2 |
senderr = 0; |
350 |
|
2 |
to = usermap(cat(hp->h_bcc, cat(hp->h_to, hp->h_cc))); |
351 |
✗✓ |
2 |
if (to == NULL) { |
352 |
|
|
puts("No recipients specified"); |
353 |
|
|
senderr++; |
354 |
|
|
} |
355 |
|
|
/* |
356 |
|
|
* Look through the recipient list for names with /'s |
357 |
|
|
* in them which we write to as files directly. |
358 |
|
|
*/ |
359 |
|
2 |
to = outof(to, mtf, hp); |
360 |
✗✓ |
2 |
if (senderr) |
361 |
|
|
savedeadletter(mtf); |
362 |
|
2 |
to = elide(to); |
363 |
✓✗ |
2 |
if (count(to) == 0) |
364 |
|
|
goto out; |
365 |
|
2 |
fixhead(hp, to); |
366 |
✗✓ |
2 |
if ((mtf = infix(hp, mtf)) == NULL) { |
367 |
|
|
fputs(". . . message lost, sorry.\n", stderr); |
368 |
|
|
return; |
369 |
|
|
} |
370 |
✗✓ |
2 |
if ((cp = value("record")) != NULL) |
371 |
|
|
(void)savemail(expand(cp), mtf); |
372 |
|
|
|
373 |
|
|
/* Setup sendmail arguments. */ |
374 |
|
2 |
*ap++ = "send-mail"; |
375 |
|
2 |
*ap++ = "-i"; |
376 |
|
2 |
*ap++ = "-t"; |
377 |
✗✓ |
6 |
cp = hp->h_from ? hp->h_from : value("from"); |
378 |
✗✓ |
2 |
if (cp != NULL) { |
379 |
|
|
envfrom = skin(cp); |
380 |
|
|
*ap++ = "-f"; |
381 |
|
|
*ap++ = envfrom; |
382 |
|
|
if (envfrom == cp) |
383 |
|
|
envfrom = NULL; |
384 |
|
|
} |
385 |
✗✓ |
2 |
if (value("metoo") != NULL) |
386 |
|
|
*ap++ = "-m"; |
387 |
✗✓ |
2 |
if (value("verbose") != NULL) |
388 |
|
|
*ap++ = "-v"; |
389 |
|
2 |
*ap = NULL; |
390 |
✗✓ |
2 |
if (debug) { |
391 |
|
|
fputs("Sendmail arguments:", stdout); |
392 |
|
|
for (ap = argv; *ap != NULL; ap++) |
393 |
|
|
printf(" \"%s\"", *ap); |
394 |
|
|
putchar('\n'); |
395 |
|
|
goto out; |
396 |
|
|
} |
397 |
|
|
/* |
398 |
|
|
* Fork, set up the temporary mail file as standard |
399 |
|
|
* input for "mail", and exec with the user list we generated |
400 |
|
|
* far above. |
401 |
|
|
*/ |
402 |
|
2 |
pid = fork(); |
403 |
✗✓ |
2 |
if (pid == -1) { |
404 |
|
|
warn("fork"); |
405 |
|
|
savedeadletter(mtf); |
406 |
|
|
goto out; |
407 |
|
|
} |
408 |
✗✓ |
2 |
if (pid == 0) { |
409 |
|
|
sigset_t nset; |
410 |
|
|
|
411 |
|
|
sigemptyset(&nset); |
412 |
|
|
sigaddset(&nset, SIGHUP); |
413 |
|
|
sigaddset(&nset, SIGINT); |
414 |
|
|
sigaddset(&nset, SIGQUIT); |
415 |
|
|
sigaddset(&nset, SIGTSTP); |
416 |
|
|
sigaddset(&nset, SIGTTIN); |
417 |
|
|
sigaddset(&nset, SIGTTOU); |
418 |
|
|
prepare_child(&nset, fileno(mtf), -1); |
419 |
|
|
if ((cp = value("sendmail")) != NULL) |
420 |
|
|
cp = expand(cp); |
421 |
|
|
else |
422 |
|
|
cp = _PATH_SENDMAIL; |
423 |
|
|
execv(cp, argv); |
424 |
|
|
warn("%s", cp); |
425 |
|
|
_exit(1); |
426 |
|
|
} |
427 |
|
2 |
free(envfrom); |
428 |
✗✓ |
2 |
if (value("verbose") != NULL) |
429 |
|
|
(void)wait_child(pid); |
430 |
|
|
else |
431 |
|
2 |
free_child(pid); |
432 |
|
|
out: |
433 |
|
2 |
(void)Fclose(mtf); |
434 |
|
4 |
} |
435 |
|
|
|
436 |
|
|
/* |
437 |
|
|
* Fix the header by glopping all of the expanded names from |
438 |
|
|
* the distribution list into the appropriate fields. |
439 |
|
|
*/ |
440 |
|
|
void |
441 |
|
|
fixhead(struct header *hp, struct name *tolist) |
442 |
|
|
{ |
443 |
|
|
struct name *np; |
444 |
|
|
|
445 |
|
4 |
hp->h_to = NULL; |
446 |
|
2 |
hp->h_cc = NULL; |
447 |
|
2 |
hp->h_bcc = NULL; |
448 |
✓✓ |
8 |
for (np = tolist; np != NULL; np = np->n_flink) |
449 |
✓✗ |
2 |
if ((np->n_type & GMASK) == GTO) |
450 |
|
2 |
hp->h_to = |
451 |
|
2 |
cat(hp->h_to, nalloc(np->n_name, np->n_type)); |
452 |
|
|
else if ((np->n_type & GMASK) == GCC) |
453 |
|
|
hp->h_cc = |
454 |
|
|
cat(hp->h_cc, nalloc(np->n_name, np->n_type)); |
455 |
|
|
else if ((np->n_type & GMASK) == GBCC) |
456 |
|
|
hp->h_bcc = |
457 |
|
|
cat(hp->h_bcc, nalloc(np->n_name, np->n_type)); |
458 |
|
2 |
} |
459 |
|
|
|
460 |
|
|
/* |
461 |
|
|
* Prepend a header in front of the collected stuff |
462 |
|
|
* and return the new file. |
463 |
|
|
*/ |
464 |
|
|
FILE * |
465 |
|
|
infix(struct header *hp, FILE *fi) |
466 |
|
|
{ |
467 |
|
|
FILE *nfo, *nfi; |
468 |
|
|
int c, fd; |
469 |
|
4 |
char tempname[PATHSIZE]; |
470 |
|
|
|
471 |
|
4 |
(void)snprintf(tempname, sizeof(tempname), |
472 |
|
2 |
"%s/mail.RsXXXXXXXXXX", tmpdir); |
473 |
✓✗✗✓
|
4 |
if ((fd = mkstemp(tempname)) == -1 || |
474 |
|
2 |
(nfo = Fdopen(fd, "w")) == NULL) { |
475 |
|
|
warn("%s", tempname); |
476 |
|
|
return(fi); |
477 |
|
|
} |
478 |
✗✓ |
2 |
if ((nfi = Fopen(tempname, "r")) == NULL) { |
479 |
|
|
warn("%s", tempname); |
480 |
|
|
(void)Fclose(nfo); |
481 |
|
|
(void)rm(tempname); |
482 |
|
|
return(fi); |
483 |
|
|
} |
484 |
|
2 |
(void)rm(tempname); |
485 |
|
2 |
(void)puthead(hp, nfo, GTO|GSUBJECT|GCC|GBCC|GNL|GCOMMA); |
486 |
✓✗✓✗
|
8 |
c = getc(fi); |
487 |
✓✓ |
1065784 |
while (c != EOF) { |
488 |
✓✗ |
1065780 |
(void)putc(c, nfo); |
489 |
✓✗✓✓
|
2131560 |
c = getc(fi); |
490 |
|
|
} |
491 |
✓✗✗✓
✗✗ |
4 |
if (ferror(fi)) { |
492 |
|
|
warn("read"); |
493 |
|
|
rewind(fi); |
494 |
|
|
return(fi); |
495 |
|
|
} |
496 |
|
2 |
(void)fflush(nfo); |
497 |
✓✗✗✓
✗✗ |
4 |
if (ferror(nfo)) { |
498 |
|
|
warn("%s", tempname); |
499 |
|
|
(void)Fclose(nfo); |
500 |
|
|
(void)Fclose(nfi); |
501 |
|
|
rewind(fi); |
502 |
|
|
return(fi); |
503 |
|
|
} |
504 |
|
2 |
(void)Fclose(nfo); |
505 |
|
2 |
(void)Fclose(fi); |
506 |
|
2 |
rewind(nfi); |
507 |
|
2 |
return(nfi); |
508 |
|
2 |
} |
509 |
|
|
|
510 |
|
|
/* |
511 |
|
|
* Dump the to, subject, cc header on the |
512 |
|
|
* passed file buffer. |
513 |
|
|
*/ |
514 |
|
|
int |
515 |
|
|
puthead(struct header *hp, FILE *fo, int w) |
516 |
|
|
{ |
517 |
|
|
int gotcha; |
518 |
|
|
char *from; |
519 |
|
|
|
520 |
|
|
gotcha = 0; |
521 |
✗✓ |
8 |
from = hp->h_from ? hp->h_from : value("from"); |
522 |
✗✓ |
2 |
if (from != NULL) |
523 |
|
|
fprintf(fo, "From: %s\n", from), gotcha++; |
524 |
✓✗✓✗
|
4 |
if (hp->h_to != NULL && w & GTO) |
525 |
|
2 |
fmt("To:", hp->h_to, fo, w&GCOMMA), gotcha++; |
526 |
✓✗✓✗
|
4 |
if (hp->h_subject != NULL && w & GSUBJECT) |
527 |
|
2 |
fprintf(fo, "Subject: %s\n", hp->h_subject), gotcha++; |
528 |
✗✓✗✗
|
2 |
if (hp->h_cc != NULL && w & GCC) |
529 |
|
|
fmt("Cc:", hp->h_cc, fo, w&GCOMMA), gotcha++; |
530 |
✗✓✗✗
|
2 |
if (hp->h_bcc != NULL && w & GBCC) |
531 |
|
|
fmt("Bcc:", hp->h_bcc, fo, w&GCOMMA), gotcha++; |
532 |
✓✗✓✗
|
4 |
if (gotcha && w & GNL) |
533 |
✓✗ |
4 |
(void)putc('\n', fo); |
534 |
|
2 |
return(0); |
535 |
|
|
} |
536 |
|
|
|
537 |
|
|
/* |
538 |
|
|
* Format the given header line to not exceed 72 characters. |
539 |
|
|
*/ |
540 |
|
|
void |
541 |
|
|
fmt(char *str, struct name *np, FILE *fo, int comma) |
542 |
|
|
{ |
543 |
|
|
int col, len; |
544 |
|
|
|
545 |
|
4 |
comma = comma ? 1 : 0; |
546 |
|
2 |
col = strlen(str); |
547 |
✓✗ |
2 |
if (col) |
548 |
|
2 |
fputs(str, fo); |
549 |
✓✓ |
6 |
for (; np != NULL; np = np->n_flink) { |
550 |
✓✗ |
2 |
if (np->n_flink == NULL) |
551 |
|
2 |
comma = 0; |
552 |
|
2 |
len = strlen(np->n_name); |
553 |
|
2 |
col++; /* for the space */ |
554 |
✗✓ |
2 |
if (col + len + comma > 72 && col > 4) { |
555 |
|
|
fputs("\n ", fo); |
556 |
|
|
col = 4; |
557 |
|
|
} else |
558 |
✓✗ |
4 |
putc(' ', fo); |
559 |
|
2 |
fputs(np->n_name, fo); |
560 |
✗✓ |
2 |
if (comma) |
561 |
|
|
putc(',', fo); |
562 |
|
2 |
col += len + comma; |
563 |
|
|
} |
564 |
✓✗ |
4 |
putc('\n', fo); |
565 |
|
2 |
} |
566 |
|
|
|
567 |
|
|
/* |
568 |
|
|
* Save the outgoing mail on the passed file. |
569 |
|
|
*/ |
570 |
|
|
/*ARGSUSED*/ |
571 |
|
|
int |
572 |
|
|
savemail(char *name, FILE *fi) |
573 |
|
|
{ |
574 |
|
|
FILE *fo; |
575 |
|
|
char buf[BUFSIZ]; |
576 |
|
|
time_t now; |
577 |
|
|
mode_t m; |
578 |
|
|
|
579 |
|
|
m = umask(077); |
580 |
|
|
fo = Fopen(name, "a"); |
581 |
|
|
(void)umask(m); |
582 |
|
|
if (fo == NULL) { |
583 |
|
|
warn("%s", name); |
584 |
|
|
return(-1); |
585 |
|
|
} |
586 |
|
|
(void)time(&now); |
587 |
|
|
fprintf(fo, "From %s %s", myname, ctime(&now)); |
588 |
|
|
while (fgets(buf, sizeof(buf), fi) == buf) { |
589 |
|
|
/* |
590 |
|
|
* We can't read the record file (or inbox for recipient) |
591 |
|
|
* in the message body (from forwarded messages or sentences |
592 |
|
|
* starting with "From "), so we will prepend those lines with |
593 |
|
|
* a '>'. |
594 |
|
|
*/ |
595 |
|
|
if (strncmp(buf, "From ", 5) == 0) |
596 |
|
|
(void)fwrite(">", 1, 1, fo); /* '>' before 'From ' */ |
597 |
|
|
(void)fwrite(buf, 1, strlen(buf), fo); |
598 |
|
|
} |
599 |
|
|
(void)putc('\n', fo); |
600 |
|
|
(void)fflush(fo); |
601 |
|
|
if (ferror(fo)) |
602 |
|
|
warn("%s", name); |
603 |
|
|
(void)Fclose(fo); |
604 |
|
|
rewind(fi); |
605 |
|
|
return(0); |
606 |
|
|
} |
607 |
|
|
|
608 |
|
|
/*ARGSUSED*/ |
609 |
|
|
void |
610 |
|
|
sendint(int s) |
611 |
|
|
{ |
612 |
|
|
|
613 |
|
|
sendsignal = s; |
614 |
|
|
} |