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Index: usr.sbin/syslogd/syslogd.8
===================================================================
--- usr.sbin/syslogd/syslogd.8
+++ usr.sbin/syslogd/syslogd.8
@@ -41,6 +41,7 @@
.Op Fl b Ar bind_address
.Op Fl f Ar config_file
.Op Fl l Oo Ar mode Ns \&: Oc Ns Ar path
+.Op Fl M Ar fwd_length
.Op Fl m Ar mark_interval
.Op Fl O Ar format
.Op Fl P Ar pid_file
@@ -243,6 +244,9 @@
.Dq kern
facility is reserved for messages read directly from
.Pa /dev/klog .
+.It Fl M Ar fwd_length
+Set limit length of forwarded messages. Minimum is 480 octets. Maximum for
+RFC 3164 output format is 1024 octets. The default is 1024 octets.
.It Fl m Ar mark_interval
Select the number of minutes between
.Dq mark
Index: usr.sbin/syslogd/syslogd.c
===================================================================
--- usr.sbin/syslogd/syslogd.c
+++ usr.sbin/syslogd/syslogd.c
@@ -97,8 +97,7 @@
* Priority comparison code by Harlan Stenn.
*/
-/* Maximum number of characters in time of last occurrence */
-#define MAXLINE 2048 /* maximum line length */
+#define MAXLINE 8192 /* maximum line length */
#define MAXSVLINE MAXLINE /* maximum saved line length */
#define DEFUPRI (LOG_USER|LOG_NOTICE)
#define DEFSPRI (LOG_KERN|LOG_CRIT)
@@ -383,6 +382,7 @@
static int MarkSeq; /* mark sequence number */
static int NoBind; /* don't bind() as suggested by RFC 3164 */
static int SecureMode; /* when true, receive only unix domain socks */
+static int MaxForwardLen = 1024; /* max length of forwared message */
#ifdef INET6
static int family = PF_UNSPEC; /* protocol family (IPv4, IPv6 or both) */
#else
@@ -394,7 +394,7 @@
static int no_compress; /* don't compress messages (1=pipes, 2=all) */
static int logflags = O_WRONLY|O_APPEND; /* flags used to open log files */
-static char bootfile[MAXLINE+1]; /* booted kernel file */
+static char bootfile[MAXPATHLEN]; /* booted kernel file */
static int RemoteAddDate; /* Always set the date on remote messages */
static int RemoteHostname; /* Log remote hostname from the message */
@@ -553,7 +553,7 @@
if (madvise(NULL, 0, MADV_PROTECT) != 0)
dprintf("madvise() failed: %s\n", strerror(errno));
- while ((ch = getopt(argc, argv, "468Aa:b:cCdf:FHkl:m:nNoO:p:P:sS:Tuv"))
+ while ((ch = getopt(argc, argv, "468Aa:b:cCdf:FHkl:M:m:nNoO:p:P:sS:Tuv"))
!= -1)
switch (ch) {
#ifdef INET
@@ -666,6 +666,12 @@
});
break;
}
+ case 'M': /* max length of forwarded message */
+ MaxForwardLen = atoi(optarg);
+ if (MaxForwardLen < 480)
+ errx(1, "max length of forwarded message "
+ "couldn't be less 480 octets");
+ break;
case 'm': /* mark interval */
MarkInterval = atoi(optarg) * 60;
break;
@@ -710,6 +716,10 @@
if ((argc -= optind) != 0)
usage();
+ if (RFC3164OutputFormat && MaxForwardLen > 1024)
+ errx(1, "max length of forwarded message couldn't be more "
+ "than 1024 octets in case of RFC3164");
+
/* Pipe to catch a signal during select(). */
s = pipe2(sigpipe, O_CLOEXEC);
if (s < 0) {
@@ -948,9 +958,9 @@
fprintf(stderr,
"usage: syslogd [-468ACcdFHknosTuv] [-a allowed_peer]\n"
" [-b bind_address] [-f config_file]\n"
- " [-l [mode:]path] [-m mark_interval]\n"
- " [-O format] [-P pid_file] [-p log_socket]\n"
- " [-S logpriv_socket]\n");
+ " [-l [mode:]path] [-M fwd_length]\n"
+ " [-m mark_interval] [-O format] [-P pid_file]\n"
+ " [-p log_socket] [-S logpriv_socket]\n");
exit(1);
}
@@ -1840,27 +1850,27 @@
switch (f->f_type) {
case F_FORW:
- /* Truncate messages to RFC 5426 recommended size. */
dprintf(" %s", f->fu_forw_hname);
switch (f->fu_forw_addr->ai_family) {
#ifdef INET
case AF_INET:
dprintf(":%d\n",
ntohs(satosin(f->fu_forw_addr->ai_addr)->sin_port));
- iovlist_truncate(il, 480);
break;
#endif
#ifdef INET6
case AF_INET6:
dprintf(":%d\n",
ntohs(satosin6(f->fu_forw_addr->ai_addr)->sin6_port));
- iovlist_truncate(il, 1180);
break;
#endif
default:
dprintf("\n");
}
+ /* Truncate messages to maximum forward length */
+ iovlist_truncate(il, MaxForwardLen);
+
lsent = 0;
for (r = f->fu_forw_addr; r; r = r->ai_next) {
memset(&msghdr, 0, sizeof(msghdr));
@@ -2553,7 +2563,7 @@
char *p;
char oldLocalHostName[MAXHOSTNAMELEN];
char hostMsg[2*MAXHOSTNAMELEN+40];
- char bootfileMsg[LINE_MAX];
+ char bootfileMsg[MAXLINE + 1];
dprintf("init\n");
WantInitialize = 0;
@@ -2900,7 +2910,7 @@
int error, i, pri, syncfile;
const char *p, *q;
char *bp, *pfilter_dup;
- char buf[MAXLINE], ebuf[100];
+ char buf[LINE_MAX], ebuf[100];
dprintf("cfline(\"%s\", f, \"%s\", \"%s\", \"%s\")\n", line, prog,
host, pfilter);

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