mirror of
https://github.com/freebsd/freebsd-src.git
synced 2024-12-04 12:28:58 +00:00
- Use stailqueue for sockets instead of socket buffer. Thus
remove limit for 20 sockets. - Add possibility to specify file mode for sockets created with '-l'. - Check that socket name in '-l' is absolute. Reviewed by: dwmalone, Andrea Campi <andrea webcom it> Approved by: julian (mentor)
This commit is contained in:
Gleb Smirnoff
parent
cefe021b6c
commit
247444670e
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=137232
@ -28,7 +28,7 @@
|
||||
.\" @(#)syslogd.8 8.1 (Berkeley) 6/6/93
|
||||
.\" $FreeBSD$
|
||||
.\"
|
||||
.Dd November 24, 2001
|
||||
.Dd November 5, 2004
|
||||
.Dt SYSLOGD 8
|
||||
.Os
|
||||
.Sh NAME
|
||||
@ -40,7 +40,10 @@
|
||||
.Op Fl a Ar allowed_peer
|
||||
.Op Fl b Ar bind_address
|
||||
.Op Fl f Ar config_file
|
||||
.Op Fl l Ar path
|
||||
.Oo
|
||||
.Fl l Op Ar mode: Ns
|
||||
.Ar path
|
||||
.Oc
|
||||
.Op Fl m Ar mark_interval
|
||||
.Op Fl P Ar pid_file
|
||||
.Op Fl p Ar log_socket
|
||||
@ -206,10 +209,12 @@ The default is
|
||||
Specify a location where
|
||||
.Nm
|
||||
should place an additional log socket.
|
||||
Up to 19 additional logging sockets can be specified.
|
||||
The primary use for this is to place additional log sockets in
|
||||
.Pa /var/run/log
|
||||
of various chroot filespaces.
|
||||
File permissions for socket can be specified in octal representation
|
||||
before socket name, delimited with a colon.
|
||||
Path to socket location must be absolute.
|
||||
.It Fl s
|
||||
Operate in secure mode.
|
||||
Do not log messages from remote machines.
|
||||
|
||||
@ -127,11 +127,20 @@ const char ctty[] = _PATH_CONSOLE;
|
||||
|
||||
#define MAXUNAMES 20 /* maximum number of user names */
|
||||
|
||||
#define MAXFUNIX 20
|
||||
/*
|
||||
* Unix sockets.
|
||||
*/
|
||||
struct funix {
|
||||
int s;
|
||||
char *name;
|
||||
mode_t mode;
|
||||
STAILQ_ENTRY(funix) next;
|
||||
};
|
||||
struct funix funix_default = { -1, _PATH_LOG, DEFFILEMODE,
|
||||
{ NULL } };
|
||||
|
||||
int nfunix = 1;
|
||||
const char *funixn[MAXFUNIX] = { _PATH_LOG };
|
||||
int funix[MAXFUNIX];
|
||||
STAILQ_HEAD(, funix) funixes = { &funix_default,
|
||||
&(funix_default.next.stqe_next) };
|
||||
|
||||
/*
|
||||
* Flags to logmsg().
|
||||
@ -336,6 +345,7 @@ main(int argc, char *argv[])
|
||||
const char *bindhostname, *hname;
|
||||
struct timeval tv, *tvp;
|
||||
struct sigaction sact;
|
||||
struct funix *fx, *fx1;
|
||||
sigset_t mask;
|
||||
pid_t ppid = 1;
|
||||
socklen_t len;
|
||||
@ -374,14 +384,42 @@ main(int argc, char *argv[])
|
||||
KeepKernFac = 1;
|
||||
break;
|
||||
case 'l':
|
||||
if (strlen(optarg) >= sizeof(sunx.sun_path))
|
||||
errx(1, "%s path too long, exiting", optarg);
|
||||
if (nfunix < MAXFUNIX)
|
||||
funixn[nfunix++] = optarg;
|
||||
else
|
||||
warnx("out of descriptors, ignoring %s",
|
||||
optarg);
|
||||
{
|
||||
long perml;
|
||||
mode_t mode;
|
||||
char *name, *ep;
|
||||
|
||||
if (optarg[0] == '/') {
|
||||
mode = DEFFILEMODE;
|
||||
name = optarg;
|
||||
} else if ((name = strchr(optarg, ':')) != NULL) {
|
||||
*name++ = '\0';
|
||||
if (name[0] != '/')
|
||||
errx(1, "socket name must be absolute "
|
||||
"path");
|
||||
if (isdigit(*optarg)) {
|
||||
perml = strtol(optarg, &ep, 8);
|
||||
if (*ep || perml < 0 ||
|
||||
perml & ~(S_IRWXU|S_IRWXG|S_IRWXO))
|
||||
errx(1, "invalid mode %s, exiting",
|
||||
optarg);
|
||||
mode = (mode_t )perml;
|
||||
} else
|
||||
errx(1, "invalid mode %s, exiting",
|
||||
optarg);
|
||||
} else /* doesn't begin with '/', and no ':' */
|
||||
errx(1, "can't parse path %s", optarg);
|
||||
|
||||
if (strlen(name) >= sizeof(sunx.sun_path))
|
||||
errx(1, "%s path too long, exiting", name);
|
||||
if ((fx = malloc(sizeof(struct funix))) == NULL)
|
||||
errx(1, "malloc failed");
|
||||
fx->s = -1;
|
||||
fx->name = name;
|
||||
fx->mode = mode;
|
||||
STAILQ_INSERT_TAIL(&funixes, fx, next);
|
||||
break;
|
||||
}
|
||||
case 'm': /* mark interval */
|
||||
MarkInterval = atoi(optarg) * 60;
|
||||
break;
|
||||
@ -394,7 +432,7 @@ main(int argc, char *argv[])
|
||||
case 'p': /* path */
|
||||
if (strlen(optarg) >= sizeof(sunx.sun_path))
|
||||
errx(1, "%s path too long, exiting", optarg);
|
||||
funixn[0] = optarg;
|
||||
funix_default.name = optarg;
|
||||
break;
|
||||
case 'P': /* path for alt. PID */
|
||||
PidFile = optarg;
|
||||
@ -453,22 +491,23 @@ main(int argc, char *argv[])
|
||||
#ifndef SUN_LEN
|
||||
#define SUN_LEN(unp) (strlen((unp)->sun_path) + 2)
|
||||
#endif
|
||||
for (i = 0; i < nfunix; i++) {
|
||||
(void)unlink(funixn[i]);
|
||||
STAILQ_FOREACH_SAFE(fx, &funixes, next, fx1) {
|
||||
(void)unlink(fx->name);
|
||||
memset(&sunx, 0, sizeof(sunx));
|
||||
sunx.sun_family = AF_UNIX;
|
||||
(void)strlcpy(sunx.sun_path, funixn[i], sizeof(sunx.sun_path));
|
||||
funix[i] = socket(AF_UNIX, SOCK_DGRAM, 0);
|
||||
if (funix[i] < 0 ||
|
||||
bind(funix[i], (struct sockaddr *)&sunx,
|
||||
SUN_LEN(&sunx)) < 0 ||
|
||||
chmod(funixn[i], 0666) < 0) {
|
||||
(void)strlcpy(sunx.sun_path, fx->name, sizeof(sunx.sun_path));
|
||||
fx->s = socket(AF_UNIX, SOCK_DGRAM, 0);
|
||||
if (fx->s < 0 ||
|
||||
bind(fx->s, (struct sockaddr *)&sunx, SUN_LEN(&sunx)) < 0 ||
|
||||
chmod(fx->name, fx->mode) < 0) {
|
||||
(void)snprintf(line, sizeof line,
|
||||
"cannot create %s", funixn[i]);
|
||||
"cannot create %s", fx->name);
|
||||
logerror(line);
|
||||
dprintf("cannot create %s (%d)\n", funixn[i], errno);
|
||||
if (i == 0)
|
||||
dprintf("cannot create %s (%d)\n", fx->name, errno);
|
||||
if (fx == &funix_default)
|
||||
die(0);
|
||||
else
|
||||
STAILQ_REMOVE(&funixes, fx, funix, next);
|
||||
}
|
||||
}
|
||||
if (SecureMode <= 1)
|
||||
@ -524,10 +563,9 @@ main(int argc, char *argv[])
|
||||
fdsrmax = finet[i+1];
|
||||
}
|
||||
}
|
||||
for (i = 0; i < nfunix; i++) {
|
||||
if (funix[i] != -1 && funix[i] > fdsrmax)
|
||||
fdsrmax = funix[i];
|
||||
}
|
||||
STAILQ_FOREACH(fx, &funixes, next)
|
||||
if (fx->s > fdsrmax)
|
||||
fdsrmax = fx->s;
|
||||
|
||||
fdsr = (fd_set *)calloc(howmany(fdsrmax+1, NFDBITS),
|
||||
sizeof(fd_mask));
|
||||
@ -551,10 +589,8 @@ main(int argc, char *argv[])
|
||||
FD_SET(finet[i+1], fdsr);
|
||||
}
|
||||
}
|
||||
for (i = 0; i < nfunix; i++) {
|
||||
if (funix[i] != -1)
|
||||
FD_SET(funix[i], fdsr);
|
||||
}
|
||||
STAILQ_FOREACH(fx, &funixes, next)
|
||||
FD_SET(fx->s, fdsr);
|
||||
|
||||
i = select(fdsrmax+1, fdsr, NULL, NULL,
|
||||
needdofsync ? &tv : tvp);
|
||||
@ -593,10 +629,10 @@ main(int argc, char *argv[])
|
||||
}
|
||||
}
|
||||
}
|
||||
for (i = 0; i < nfunix; i++) {
|
||||
if (funix[i] != -1 && FD_ISSET(funix[i], fdsr)) {
|
||||
STAILQ_FOREACH(fx, &funixes, next) {
|
||||
if (FD_ISSET(fx->s, fdsr)) {
|
||||
len = sizeof(fromunix);
|
||||
l = recvfrom(funix[i], line, MAXLINE, 0,
|
||||
l = recvfrom(fx->s, line, MAXLINE, 0,
|
||||
(struct sockaddr *)&fromunix, &len);
|
||||
if (l > 0) {
|
||||
line[l] = '\0';
|
||||
@ -1402,9 +1438,9 @@ static void
|
||||
die(int signo)
|
||||
{
|
||||
struct filed *f;
|
||||
struct funix *fx;
|
||||
int was_initialized;
|
||||
char buf[100];
|
||||
int i;
|
||||
|
||||
was_initialized = Initialized;
|
||||
Initialized = 0; /* Don't log SIGCHLDs. */
|
||||
@ -1424,9 +1460,9 @@ die(int signo)
|
||||
errno = 0;
|
||||
logerror(buf);
|
||||
}
|
||||
for (i = 0; i < nfunix; i++)
|
||||
if (funixn[i] && funix[i] != -1)
|
||||
(void)unlink(funixn[i]);
|
||||
STAILQ_FOREACH(fx, &funixes, next)
|
||||
(void)unlink(fx->name);
|
||||
|
||||
exit(1);
|
||||
}
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user