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postfix-3.9-20231222

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Wietse Venema 2023-12-22 00:00:00 -05:00 committed by Viktor Dukhovni
parent dd0f14446a
commit f7f63b0b66
4 changed files with 14 additions and 15 deletions
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2
postfix/html/smtpd.8.html
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@ -995,7 +995,7 @@ SMTPD(8) SMTPD(8)
Disconnect remote SMTP clients that violate <a href="https://tools.ietf.org/html/rfc2920">RFC 2920</a> (or 5321)
command pipelining constraints.
Available in Postfix 3.9, 3.8.3, 3.7.9, 3.6.13, 3.5.23 and later:
Available in Postfix 3.9, 3.8.4, 3.7.9, 3.6.13, 3.5.23 and later:
<b><a href="postconf.5.html#smtpd_forbid_bare_newline">smtpd_forbid_bare_newline</a> (Postfix</b> &gt;<b>= 3.9: yes)</b>
Reply with "Error: bare &lt;LF&gt; received" and disconnect when a

2
postfix/man/man8/smtpd.8
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@ -869,7 +869,7 @@ Available in Postfix 3.9, 3.8.1, 3.7.6, 3.6.10, 3.5.20 and later:
Disconnect remote SMTP clients that violate RFC 2920 (or 5321)
command pipelining constraints.
.PP
Available in Postfix 3.9, 3.8.3, 3.7.9, 3.6.13, 3.5.23 and later:
Available in Postfix 3.9, 3.8.4, 3.7.9, 3.6.13, 3.5.23 and later:
.IP "\fBsmtpd_forbid_bare_newline (Postfix >= 3.9: yes)\fR"
Reply with "Error: bare <LF> received" and disconnect
when a remote SMTP client sends a line ending in <LF>, violating

2
postfix/src/global/mail_version.h
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@ -20,7 +20,7 @@
* Patches change both the patchlevel and the release date. Snapshots have no
* patchlevel; they change the release date only.
*/
#define MAIL_RELEASE_DATE "20231221"
#define MAIL_RELEASE_DATE "20231222"
#define MAIL_VERSION_NUMBER "3.9"
#ifdef SNAPSHOT

23
postfix/src/smtpd/smtpd.c
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@ -823,7 +823,7 @@
/* Disconnect remote SMTP clients that violate RFC 2920 (or 5321)
/* command pipelining constraints.
/* .PP
/* Available in Postfix 3.9, 3.8.3, 3.7.9, 3.6.13, 3.5.23 and later:
/* Available in Postfix 3.9, 3.8.4, 3.7.9, 3.6.13, 3.5.23 and later:
/* .IP "\fBsmtpd_forbid_bare_newline (Postfix >= 3.9: yes)\fR"
/* Reply with "Error: bare <LF> received" and disconnect
/* when a remote SMTP client sends a line ending in <LF>, violating
@ -4079,7 +4079,7 @@ static int bdat_cmd(SMTPD_STATE *state, int argc, SMTPD_TOKEN *argv)
*/
done = 0;
do {
int payload_err;
int saved_forbid_bare_lf, last;
/*
* Do not skip the smtp_fread_buf() call if read_len == 0. We still
@ -4093,21 +4093,20 @@ static int bdat_cmd(SMTPD_STATE *state, int argc, SMTPD_TOKEN *argv)
smtp_fread_buf(state->buffer, read_len, state->client);
state->bdat_get_stream = vstream_memreopen(
state->bdat_get_stream, state->buffer, O_RDONLY);
vstream_control(state->bdat_get_stream, CA_VSTREAM_CTL_EXCEPT,
CA_VSTREAM_CTL_END);
if ((payload_err = vstream_setjmp(state->bdat_get_stream))
!= SMTP_ERR_NONE)
vstream_longjmp(state->client, payload_err);
/*
* Read lines from the fragment. The last line may continue in the
* next fragment, or in the next chunk.
* next fragment, or in the next chunk. TODO(wietse) find out why a
* memory stream can't have vstream exceptions.
*/
do {
if (smtp_get_noexcept(state->bdat_get_buffer,
state->bdat_get_stream,
var_line_limit,
SMTP_GET_FLAG_APPEND) == '\n') {
saved_forbid_bare_lf = smtp_forbid_bare_lf;
last = smtp_get_noexcept(state->bdat_get_buffer,
state->bdat_get_stream,
var_line_limit,
SMTP_GET_FLAG_APPEND);
smtp_forbid_bare_lf = saved_forbid_bare_lf;
if (last == '\n') {
/* Stopped at end-of-line. */
curr_rec_type = REC_TYPE_NORM;
} else if (!vstream_feof(state->bdat_get_stream)) {