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ftpd: stop unconditional logging to syslog. This was the only applet

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which was doing it. Added option -S to enable it when desired.

function                                             old     new   delta
packed_usage                                       25647   25666     +19
ftpd_main                                           1826    1825      -1
This commit is contained in:
Denis Vlasenko 2009-03-11 15:07:44 +00:00
parent a19e64933c
commit 4221e90ae4
3 changed files with 27 additions and 16 deletions
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23
docs/logging_and_backgrounding.txt
View File

@ -27,18 +27,16 @@ acpid - auto-backgrounds unless -d
crond - auto-backgrounds unless -f, logs to syslog unless -d or -L.
option -d logs to stderr, -L FILE logs to FILE
devfsd - (obsolete)
dnsd - option -d makes it auto-background and log to syslog
dnsd - option -d makes it background and log to syslog
fakeidentd - inetd service. Auto-backgrounds and logs to syslog
if no -f and no -i and no -w (-i is "inetd service" flag,
-w is "inetd-wait service" flag)
ftpd - inetd service. Logs to syslog always, with -v logs to strerr too
httpd - auto-backgrounds unless -f or -i
(-i is "inetd service" flag)
ftpd - inetd service. Logs to syslog with -S, with -v logs to strerr too
httpd - auto-backgrounds unless -f or -i (-i is "inetd service" flag)
inetd - auto-backgrounds unless -f, logs to syslog unless -e
klogd - auto-backgrounds unless -n
syslogd - auto-backgrounds unless -n
telnetd - auto-backgrounds unless -f or -i
(-i is "inetd service" flag)
telnetd - auto-backgrounds unless -f or -i (-i is "inetd service" flag)
udhcpc - auto-backgrounds unless -f after lease is obtained,
option -b makes it background sooner (when lease attempt
fails and retries start),
@ -48,9 +46,18 @@ udhcpd - auto-backgrounds and do not log to stderr unless -f,
otherwise logs to stderr, but option -S makes it log *also* to syslog
zcip - auto-backgrounds and logs *also* to syslog unless -f
Total: 13 applets (+1 obsolete),
4 log to syslog by default (crond fakeidentd inetd zcip),
5 never log to syslog (acpid httpd telnetd klogd syslogd, last two
- for obviously correct reasons),
there are no daemons which always log to syslog,
12 auto-background if not run as inetd servies (all except dnsd.
Note that there is no "standard" dnsd AFAIKS). But see below
for daemons (tcpsvd etc) which don't auto-background.
miscutils/crond.c: logmode = LOGMODE_SYSLOG;
networking/dnsd.c: logmode = LOGMODE_SYSLOG;
networking/ftpd.c: logmode = LOGMODE_SYSLOG;
networking/ftpd.c: logmode = LOGMODE_NONE;
networking/ftpd.c: logmode |= LOGMODE_SYSLOG;
networking/inetd.c: logmode = LOGMODE_SYSLOG;
networking/isrv_identd.c: logmode = LOGMODE_SYSLOG;
@ -63,7 +70,7 @@ networking/udhcp/dhcpd.c: logmode |= LOGMODE_SYSLOG;
networking/zcip.c: logmode |= LOGMODE_SYSLOG;
These daemons seem to never auto-background/log to syslog:
These daemons never auto-background and never log to syslog:
lpd - inetd service. Has nothing to log so far, though
dhcprelay - standard behavior

5
include/usage.h
View File

@ -1281,7 +1281,7 @@
"\n -f Force file system check" \
#define ftpd_trivial_usage \
"[-vw] [DIR]"
"[-wvS] [DIR]"
#define ftpd_full_usage "\n\n" \
"FTP server\n" \
"\n" \
@ -1291,8 +1291,9 @@
"It also can be ran from tcpsvd:\n" \
" tcpsvd -vE 0.0.0.0 21 ftpd /files/to/serve\n" \
"\nOptions:" \
"\n -v Log also to stderr" \
"\n -w Allow upload" \
"\n -v Log to stderr" \
"\n -S Log to syslog" \
"\n DIR Change root to this directory" \
#define ftpget_trivial_usage \

15
networking/ftpd.c
View File

@ -80,7 +80,8 @@ enum {
OPT_l = (1 << 0),
OPT_1 = (1 << 1),
OPT_v = (1 << 2),
OPT_w = (1 << 3),
OPT_S = (1 << 3),
OPT_w = (1 << 4),
#define mk_const4(a,b,c,d) (((a * 0x100 + b) * 0x100 + c) * 0x100 + d)
#define mk_const3(a,b,c) ((a * 0x100 + b) * 0x100 + c)
@ -806,7 +807,7 @@ int ftpd_main(int argc, char **argv)
{
smallint opts;
opts = getopt32(argv, "l1v" USE_FEATURE_FTP_WRITE("w"));
opts = getopt32(argv, "l1vS" USE_FEATURE_FTP_WRITE("w"));
if (opts & (OPT_l|OPT_1)) {
/* Our secret backdoor to ls */
@ -828,11 +829,13 @@ int ftpd_main(int argc, char **argv)
* failure */
}
/* LOG_NDELAY is needed since we may chroot later */
openlog(applet_name, LOG_PID | LOG_NDELAY, LOG_DAEMON);
logmode |= LOGMODE_SYSLOG;
if (!(opts & OPT_v))
logmode = LOGMODE_SYSLOG;
logmode = LOGMODE_NONE;
if (opts & OPT_S) {
/* LOG_NDELAY is needed since we may chroot later */
openlog(applet_name, LOG_PID | LOG_NDELAY, LOG_DAEMON);
logmode |= LOGMODE_SYSLOG;
}
G.proc_self_fd = xopen("/proc/self", O_RDONLY | O_DIRECTORY);