sudo/SOURCES/sudo-1.9.13-CVE-2023-28486-...

885 lines
27 KiB
Diff

From 412858272365f0e6d6f8873e794f64374da8fa06 Mon Sep 17 00:00:00 2001
From: "Todd C. Miller" <Todd.Miller@sudo.ws>
Date: Wed, 24 Feb 2021 14:25:39 -0700
Subject: [PATCH] Move eventlog config code into eventlog_conf.c
---
MANIFEST | 1 +
include/sudo_eventlog.h | 3 +-
lib/eventlog/Makefile.in | 20 ++-
lib/eventlog/eventlog.c | 292 +++++++----------------------------
lib/eventlog/eventlog_conf.c | 226 +++++++++++++++++++++++++++
5 files changed, 303 insertions(+), 239 deletions(-)
create mode 100644 lib/eventlog/eventlog_conf.c
diff --git a/MANIFEST b/MANIFEST
index a2bed131d..c960e3e8b 100644
--- a/MANIFEST
+++ b/MANIFEST
@@ -104,6 +104,7 @@ include/sudo_util.h
install-sh
lib/eventlog/Makefile.in
lib/eventlog/eventlog.c
+lib/eventlog/eventlog_conf.c
lib/eventlog/eventlog_free.c
lib/eventlog/logwrap.c
lib/eventlog/regress/logwrap/check_wrap.c
diff --git a/include/sudo_eventlog.h b/include/sudo_eventlog.h
index 127ee5dd8..e40622a51 100644
--- a/include/sudo_eventlog.h
+++ b/include/sudo_eventlog.h
@@ -66,7 +66,7 @@ enum eventlog_format {
#define EVENTLOG_INDENT " "
/*
- * Event log config, used with eventlog_setconf()
+ * Event log config, used with eventlog_getconf()
*/
struct eventlog_config {
int type;
@@ -144,5 +144,6 @@ void eventlog_set_mailto(const char *to_addr);
void eventlog_set_mailsub(const char *subject);
void eventlog_set_open_log(FILE *(*fn)(int type, const char *));
void eventlog_set_close_log(void (*fn)(int type, FILE *));
+const struct eventlog_config *eventlog_getconf(void);
#endif /* SUDO_EVENTLOG_H */
diff --git a/lib/eventlog/Makefile.in b/lib/eventlog/Makefile.in
index 24c2dbce9..02236f70b 100644
--- a/lib/eventlog/Makefile.in
+++ b/lib/eventlog/Makefile.in
@@ -82,7 +82,7 @@ SHELL = @SHELL@
TEST_PROGS = check_wrap
-LIBEVENTLOG_OBJS = eventlog.lo eventlog_free.lo logwrap.lo
+LIBEVENTLOG_OBJS = eventlog.lo eventlog_conf.lo eventlog_free.lo logwrap.lo
IOBJS = $(LIBEVENTLOG_OBJS:.lo=.i)
@@ -213,6 +213,24 @@ eventlog.i: $(srcdir)/eventlog.c $(incdir)/compat/stdbool.h \
$(CC) -E -o $@ $(CPPFLAGS) $<
eventlog.plog: eventlog.i
rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/eventlog.c --i-file $< --output-file $@
+eventlog_conf.lo: $(srcdir)/eventlog_conf.c $(incdir)/compat/stdbool.h \
+ $(incdir)/sudo_compat.h $(incdir)/sudo_debug.h \
+ $(incdir)/sudo_eventlog.h $(incdir)/sudo_fatal.h \
+ $(incdir)/sudo_gettext.h $(incdir)/sudo_json.h \
+ $(incdir)/sudo_plugin.h $(incdir)/sudo_queue.h \
+ $(incdir)/sudo_util.h $(top_builddir)/config.h \
+ $(top_builddir)/pathnames.h
+ $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(SSP_CFLAGS) $(srcdir)/eventlog_conf.c
+eventlog_conf.i: $(srcdir)/eventlog_conf.c $(incdir)/compat/stdbool.h \
+ $(incdir)/sudo_compat.h $(incdir)/sudo_debug.h \
+ $(incdir)/sudo_eventlog.h $(incdir)/sudo_fatal.h \
+ $(incdir)/sudo_gettext.h $(incdir)/sudo_json.h \
+ $(incdir)/sudo_plugin.h $(incdir)/sudo_queue.h \
+ $(incdir)/sudo_util.h $(top_builddir)/config.h \
+ $(top_builddir)/pathnames.h
+ $(CC) -E -o $@ $(CPPFLAGS) $<
+eventlog_conf.plog: eventlog_conf.i
+ rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/eventlog_conf.c --i-file $< --output-file $@
eventlog_free.lo: $(srcdir)/eventlog_free.c $(incdir)/compat/stdbool.h \
$(incdir)/sudo_compat.h $(incdir)/sudo_debug.h \
$(incdir)/sudo_eventlog.h $(incdir)/sudo_queue.h \
diff --git a/lib/eventlog/eventlog.c b/lib/eventlog/eventlog.c
index c8c9b7ba5..e7505d9d9 100644
--- a/lib/eventlog/eventlog.c
+++ b/lib/eventlog/eventlog.c
@@ -75,35 +75,6 @@
isalnum((unsigned char)(s)[6]) && isalnum((unsigned char)(s)[7]) && \
(s)[8] == '\0')
-static FILE *eventlog_stub_open_log(int type, const char *logfile);
-static void eventlog_stub_close_log(int type, FILE *fp);
-
-/* Eventlog config settings (default values). */
-static struct eventlog_config evl_conf = {
- EVLOG_NONE, /* type */
- EVLOG_SUDO, /* format */
- LOG_NOTICE, /* syslog_acceptpri */
- LOG_ALERT, /* syslog_rejectpri */
- LOG_ALERT, /* syslog_alertpri */
- MAXSYSLOGLEN, /* syslog_maxlen */
- 0, /* file_maxlen */
- ROOT_UID, /* mailuid */
- false, /* omit_hostname */
- _PATH_SUDO_LOGFILE, /* logpath */
- "%h %e %T", /* time_fmt */
-#ifdef _PATH_SUDO_SENDMAIL
- _PATH_SUDO_SENDMAIL, /* mailerpath */
-#else
- NULL, /* mailerpath (disabled) */
-#endif
- "-t", /* mailerflags */
- NULL, /* mailfrom */
- MAILTO, /* mailto */
- N_(MAILSUBJECT), /* mailsub */
- eventlog_stub_open_log, /* open_log */
- eventlog_stub_close_log /* close_log */
-};
-
/*
* Allocate and fill in a new logline.
*/
@@ -111,6 +82,7 @@ static char *
new_logline(int flags, const char *message, const char *errstr,
const struct eventlog *evlog)
{
+ const struct eventlog_config *evl_conf = eventlog_getconf();
char *line = NULL, *evstr = NULL;
const char *iolog_file = evlog->iolog_file;
const char *tty, *tsid = NULL;
@@ -159,7 +131,7 @@ new_logline(int flags, const char *message, const char *errstr,
len += strlen(message) + 3;
if (errstr != NULL)
len += strlen(errstr) + 3;
- if (evlog->submithost != NULL && !evl_conf.omit_hostname)
+ if (evlog->submithost != NULL && !evl_conf->omit_hostname)
len += sizeof(LL_HOST_STR) + 2 + strlen(evlog->submithost);
if (tty != NULL)
len += sizeof(LL_TTY_STR) + 2 + strlen(tty);
@@ -218,7 +190,7 @@ new_logline(int flags, const char *message, const char *errstr,
strlcat(line, " ; ", len) >= len)
goto toobig;
}
- if (evlog->submithost != NULL && !evl_conf.omit_hostname) {
+ if (evlog->submithost != NULL && !evl_conf->omit_hostname) {
if (strlcat(line, LL_HOST_STR, len) >= len ||
strlcat(line, evlog->submithost, len) >= len ||
strlcat(line, " ; ", len) >= len)
@@ -331,8 +303,9 @@ closefrom_nodebug(int lowfd)
static void __attribute__((__noreturn__))
exec_mailer(int pipein)
{
+ const struct eventlog_config *evl_conf = eventlog_getconf();
char *last, *mflags, *p, *argv[MAX_MAILFLAGS + 1];
- const char *mpath = evl_conf.mailerpath;
+ const char *mpath = evl_conf->mailerpath;
int i;
char * const root_envp[] = {
"HOME=/",
@@ -356,7 +329,7 @@ exec_mailer(int pipein)
}
/* Build up an argv based on the mailer path and flags */
- if ((mflags = strdup(evl_conf.mailerflags)) == NULL) {
+ if ((mflags = strdup(evl_conf->mailerflags)) == NULL) {
syslog(LOG_ERR, _("unable to allocate memory")); // -V618
sudo_debug_exit(__func__, __FILE__, __LINE__, sudo_debug_subsys);
_exit(127);
@@ -379,14 +352,14 @@ exec_mailer(int pipein)
sudo_debug_printf(SUDO_DEBUG_ERROR, "unable to change uid to %u",
ROOT_UID);
}
- if (evl_conf.mailuid != ROOT_UID) {
- if (setuid(evl_conf.mailuid) != 0) {
+ if (evl_conf->mailuid != ROOT_UID) {
+ if (setuid(evl_conf->mailuid) != 0) {
sudo_debug_printf(SUDO_DEBUG_ERROR, "unable to change uid to %u",
- (unsigned int)evl_conf.mailuid);
+ (unsigned int)evl_conf->mailuid);
}
}
sudo_debug_exit(__func__, __FILE__, __LINE__, sudo_debug_subsys);
- if (evl_conf.mailuid == ROOT_UID)
+ if (evl_conf->mailuid == ROOT_UID)
execve(mpath, argv, root_envp);
else
execv(mpath, argv);
@@ -400,7 +373,8 @@ exec_mailer(int pipein)
static bool
send_mail(const struct eventlog *evlog, const char *fmt, ...)
{
- const char *cp, *timefmt = evl_conf.time_fmt;
+ const struct eventlog_config *evl_conf = eventlog_getconf();
+ const char *cp, *timefmt = evl_conf->time_fmt;
char timebuf[1024];
struct tm *tm;
time_t now;
@@ -415,11 +389,11 @@ send_mail(const struct eventlog *evlog, const char *fmt, ...)
debug_decl(send_mail, SUDO_DEBUG_UTIL);
/* If mailer is disabled just return. */
- if (evl_conf.mailerpath == NULL || evl_conf.mailto == NULL)
+ if (evl_conf->mailerpath == NULL || evl_conf->mailto == NULL)
debug_return_bool(true);
/* Make sure the mailer exists and is a regular file. */
- if (stat(evl_conf.mailerpath, &sb) != 0 || !S_ISREG(sb.st_mode))
+ if (stat(evl_conf->mailerpath, &sb) != 0 || !S_ISREG(sb.st_mode))
debug_return_bool(false);
time(&now);
@@ -516,11 +490,11 @@ send_mail(const struct eventlog *evlog, const char *fmt, ...)
/* Pipes are all setup, send message. */
(void) fprintf(mail, "To: %s\nFrom: %s\nAuto-Submitted: %s\nSubject: ",
- evl_conf.mailto,
- evl_conf.mailfrom ? evl_conf.mailfrom :
+ evl_conf->mailto,
+ evl_conf->mailfrom ? evl_conf->mailfrom :
(evlog ? evlog->submituser : "root"),
"auto-generated");
- for (cp = _(evl_conf.mailsub); *cp; cp++) {
+ for (cp = _(evl_conf->mailsub); *cp; cp++) {
/* Expand escapes in the subject */
if (*cp == '%' && *(cp+1) != '%') {
switch (*(++cp)) {
@@ -576,7 +550,8 @@ static bool
json_add_timestamp(struct json_container *json, const char *name,
const struct timespec *ts)
{
- const char *timefmt = evl_conf.time_fmt;
+ const struct eventlog_config *evl_conf = eventlog_getconf();
+ const char *timefmt = evl_conf->time_fmt;
struct json_value json_value;
time_t secs = ts->tv_sec;
char timebuf[1024];
@@ -880,12 +855,13 @@ bad:
static bool
do_syslog_sudo(int pri, char *logline, const struct eventlog *evlog)
{
+ const struct eventlog_config *evl_conf = eventlog_getconf();
size_t len, maxlen;
char *p, *tmp, save;
const char *fmt;
debug_decl(do_syslog_sudo, SUDO_DEBUG_UTIL);
- evl_conf.open_log(EVLOG_SYSLOG, NULL);
+ evl_conf->open_log(EVLOG_SYSLOG, NULL);
if (evlog == NULL) {
/* Not a command, just log it as-is. */
@@ -897,7 +873,7 @@ do_syslog_sudo(int pri, char *logline, const struct eventlog *evlog)
* Log the full line, breaking into multiple syslog(3) calls if necessary
*/
fmt = _("%8s : %s");
- maxlen = evl_conf.syslog_maxlen -
+ maxlen = evl_conf->syslog_maxlen -
(strlen(fmt) - 5 + strlen(evlog->submituser));
for (p = logline; *p != '\0'; ) {
len = strlen(p);
@@ -926,11 +902,11 @@ do_syslog_sudo(int pri, char *logline, const struct eventlog *evlog)
p += len;
}
fmt = _("%8s : (command continued) %s");
- maxlen = evl_conf.syslog_maxlen -
+ maxlen = evl_conf->syslog_maxlen -
(strlen(fmt) - 5 + strlen(evlog->submituser));
}
done:
- evl_conf.close_log(EVLOG_SYSLOG, NULL);
+ evl_conf->close_log(EVLOG_SYSLOG, NULL);
debug_return_bool(true);
}
@@ -941,6 +917,7 @@ do_syslog_json(int pri, int event_type, const char *reason,
const struct timespec *event_time,
eventlog_json_callback_t info_cb, void *info)
{
+ const struct eventlog_config *evl_conf = eventlog_getconf();
char *json_str;
debug_decl(do_syslog_json, SUDO_DEBUG_UTIL);
@@ -951,10 +928,10 @@ do_syslog_json(int pri, int event_type, const char *reason,
debug_return_bool(false);
/* Syslog it in a sudo object with a @cee: prefix. */
- /* TODO: use evl_conf.syslog_maxlen to break up long messages. */
- evl_conf.open_log(EVLOG_SYSLOG, NULL);
+ /* TODO: use evl_conf->syslog_maxlen to break up long messages. */
+ evl_conf->open_log(EVLOG_SYSLOG, NULL);
syslog(pri, "@cee:{\"sudo\":{%s}}", json_str);
- evl_conf.close_log(EVLOG_SYSLOG, NULL);
+ evl_conf->close_log(EVLOG_SYSLOG, NULL);
free(json_str);
debug_return_bool(true);
}
@@ -967,13 +944,14 @@ do_syslog(int event_type, int flags, const char *reason, const char *errstr,
const struct eventlog *evlog, const struct timespec *event_time,
eventlog_json_callback_t info_cb, void *info)
{
+ const struct eventlog_config *evl_conf = eventlog_getconf();
char *logline = NULL;
bool ret = false;
int pri;
debug_decl(do_syslog, SUDO_DEBUG_UTIL);
/* Sudo format logs and mailed logs use the same log line format. */
- if (evl_conf.format == EVLOG_SUDO || ISSET(flags, EVLOG_MAIL)) {
+ if (evl_conf->format == EVLOG_SUDO || ISSET(flags, EVLOG_MAIL)) {
logline = new_logline(flags, reason, errstr, evlog);
if (logline == NULL)
debug_return_bool(false);
@@ -992,13 +970,13 @@ do_syslog(int event_type, int flags, const char *reason, const char *errstr,
switch (event_type) {
case EVLOG_ACCEPT:
- pri = evl_conf.syslog_acceptpri;
+ pri = evl_conf->syslog_acceptpri;
break;
case EVLOG_REJECT:
- pri = evl_conf.syslog_rejectpri;
+ pri = evl_conf->syslog_rejectpri;
break;
case EVLOG_ALERT:
- pri = evl_conf.syslog_alertpri;
+ pri = evl_conf->syslog_alertpri;
break;
default:
sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO,
@@ -1012,7 +990,7 @@ do_syslog(int event_type, int flags, const char *reason, const char *errstr,
debug_return_bool(true);
}
- switch (evl_conf.format) {
+ switch (evl_conf->format) {
case EVLOG_SUDO:
ret = do_syslog_sudo(pri, logline, evlog);
break;
@@ -1022,7 +1000,7 @@ do_syslog(int event_type, int flags, const char *reason, const char *errstr,
break;
default:
sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO,
- "unexpected eventlog format %d", evl_conf.format);
+ "unexpected eventlog format %d", evl_conf->format);
break;
}
free(logline);
@@ -1034,9 +1012,10 @@ static bool
do_logfile_sudo(const char *logline, const struct eventlog *evlog,
const struct timespec *event_time)
{
+ const struct eventlog_config *evl_conf = eventlog_getconf();
char *full_line, timebuf[8192], *timestr = NULL;
- const char *timefmt = evl_conf.time_fmt;
- const char *logfile = evl_conf.logpath;
+ const char *timefmt = evl_conf->time_fmt;
+ const char *logfile = evl_conf->logpath;
time_t tv_sec = event_time->tv_sec;
struct tm *timeptr;
bool ret = false;
@@ -1044,7 +1023,7 @@ do_logfile_sudo(const char *logline, const struct eventlog *evlog,
int len;
debug_decl(do_logfile_sudo, SUDO_DEBUG_UTIL);
- if ((fp = evl_conf.open_log(EVLOG_FILE, logfile)) == NULL)
+ if ((fp = evl_conf->open_log(EVLOG_FILE, logfile)) == NULL)
debug_return_bool(false);
if (!sudo_lock_file(fileno(fp), SUDO_LOCK)) {
@@ -1067,7 +1046,7 @@ do_logfile_sudo(const char *logline, const struct eventlog *evlog,
sudo_warnx(U_("%s: %s"), __func__, U_("unable to allocate memory"));
goto done;
}
- eventlog_writeln(fp, full_line, len, evl_conf.file_maxlen);
+ eventlog_writeln(fp, full_line, len, evl_conf->file_maxlen);
(void)fflush(fp);
if (ferror(fp)) {
sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO|SUDO_DEBUG_ERRNO,
@@ -1078,7 +1057,7 @@ do_logfile_sudo(const char *logline, const struct eventlog *evlog,
done:
(void)sudo_lock_file(fileno(fp), SUDO_UNLOCK);
- evl_conf.close_log(EVLOG_FILE, fp);
+ evl_conf->close_log(EVLOG_FILE, fp);
debug_return_bool(ret);
}
@@ -1087,14 +1066,15 @@ do_logfile_json(int event_type, const char *reason, const char *errstr,
const struct eventlog *evlog, const struct timespec *event_time,
eventlog_json_callback_t info_cb, void *info)
{
- const char *logfile = evl_conf.logpath;
+ const struct eventlog_config *evl_conf = eventlog_getconf();
+ const char *logfile = evl_conf->logpath;
struct stat sb;
char *json_str;
int ret = false;
FILE *fp;
debug_decl(do_logfile_json, SUDO_DEBUG_UTIL);
- if ((fp = evl_conf.open_log(EVLOG_FILE, logfile)) == NULL)
+ if ((fp = evl_conf->open_log(EVLOG_FILE, logfile)) == NULL)
debug_return_bool(false);
json_str = format_json(event_type, reason, errstr, evlog, event_time,
@@ -1135,7 +1115,7 @@ do_logfile_json(int event_type, const char *reason, const char *errstr,
done:
free(json_str);
(void)sudo_lock_file(fileno(fp), SUDO_UNLOCK);
- evl_conf.close_log(EVLOG_FILE, fp);
+ evl_conf->close_log(EVLOG_FILE, fp);
debug_return_bool(ret);
}
@@ -1144,12 +1124,13 @@ do_logfile(int event_type, int flags, const char *reason, const char *errstr,
const struct eventlog *evlog, const struct timespec *event_time,
eventlog_json_callback_t info_cb, void *info)
{
+ const struct eventlog_config *evl_conf = eventlog_getconf();
bool ret = false;
char *logline = NULL;
debug_decl(do_logfile, SUDO_DEBUG_UTIL);
/* Sudo format logs and mailed logs use the same log line format. */
- if (evl_conf.format == EVLOG_SUDO || ISSET(flags, EVLOG_MAIL)) {
+ if (evl_conf->format == EVLOG_SUDO || ISSET(flags, EVLOG_MAIL)) {
logline = new_logline(flags, reason, errstr, evlog);
if (logline == NULL)
debug_return_bool(false);
@@ -1166,7 +1147,7 @@ do_logfile(int event_type, int flags, const char *reason, const char *errstr,
}
}
- switch (evl_conf.format) {
+ switch (evl_conf->format) {
case EVLOG_SUDO:
ret = do_logfile_sudo(logline ? logline : reason, evlog, event_time);
break;
@@ -1176,7 +1157,7 @@ do_logfile(int event_type, int flags, const char *reason, const char *errstr,
break;
default:
sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO,
- "unexpected eventlog format %d", evl_conf.format);
+ "unexpected eventlog format %d", evl_conf->format);
break;
}
free(logline);
@@ -1188,7 +1169,8 @@ bool
eventlog_accept(const struct eventlog *evlog, int flags,
eventlog_json_callback_t info_cb, void *info)
{
- const int log_type = evl_conf.type;
+ const struct eventlog_config *evl_conf = eventlog_getconf();
+ const int log_type = evl_conf->type;
bool ret = true;
debug_decl(log_accept, SUDO_DEBUG_UTIL);
@@ -1214,7 +1196,8 @@ bool
eventlog_reject(const struct eventlog *evlog, int flags, const char *reason,
eventlog_json_callback_t info_cb, void *info)
{
- const int log_type = evl_conf.type;
+ const struct eventlog_config *evl_conf = eventlog_getconf();
+ const int log_type = evl_conf->type;
bool ret = true;
debug_decl(log_reject, SUDO_DEBUG_UTIL);
@@ -1237,7 +1220,8 @@ bool
eventlog_alert(const struct eventlog *evlog, int flags,
struct timespec *alert_time, const char *reason, const char *errstr)
{
- const int log_type = evl_conf.type;
+ const struct eventlog_config *evl_conf = eventlog_getconf();
+ const int log_type = evl_conf->type;
bool ret = true;
debug_decl(log_alert, SUDO_DEBUG_UTIL);
@@ -1255,169 +1239,3 @@ eventlog_alert(const struct eventlog *evlog, int flags,
debug_return_bool(ret);
}
-
-static FILE *
-eventlog_stub_open_log(int type, const char *logfile)
-{
- debug_decl(eventlog_stub_open_log, SUDO_DEBUG_UTIL);
- sudo_debug_printf(SUDO_DEBUG_WARN|SUDO_DEBUG_LINENO,
- "open_log not set, using stub");
- debug_return_ptr(NULL);
-}
-
-static void
-eventlog_stub_close_log(int type, FILE *fp)
-{
- debug_decl(eventlog_stub_close_log, SUDO_DEBUG_UTIL);
- sudo_debug_printf(SUDO_DEBUG_WARN|SUDO_DEBUG_LINENO,
- "close_log not set, using stub");
- debug_return;
-}
-
-/*
- * Set eventlog config settings.
- */
-
-void
-eventlog_set_type(int type)
-{
- evl_conf.type = type;
-}
-
-void
-eventlog_set_format(enum eventlog_format format)
-{
- evl_conf.format = format;
-}
-
-void
-eventlog_set_syslog_acceptpri(int pri)
-{
- evl_conf.syslog_acceptpri = pri;
-}
-
-void
-eventlog_set_syslog_rejectpri(int pri)
-{
- evl_conf.syslog_rejectpri = pri;
-}
-
-void
-eventlog_set_syslog_alertpri(int pri)
-{
- evl_conf.syslog_alertpri = pri;
-}
-
-void
-eventlog_set_syslog_maxlen(int len)
-{
- evl_conf.syslog_maxlen = len;
-}
-
-void
-eventlog_set_file_maxlen(int len)
-{
- evl_conf.file_maxlen = len;
-}
-
-void
-eventlog_set_mailuid(uid_t uid)
-{
- evl_conf.mailuid = uid;
-}
-
-void
-eventlog_set_omit_hostname(bool omit_hostname)
-{
- evl_conf.omit_hostname = omit_hostname;
-}
-
-void
-eventlog_set_logpath(const char *path)
-{
- evl_conf.logpath = path;
-}
-
-void
-eventlog_set_time_fmt(const char *fmt)
-{
- evl_conf.time_fmt = fmt;
-}
-
-void
-eventlog_set_mailerpath(const char *path)
-{
- evl_conf.mailerpath = path;
-}
-
-void
-eventlog_set_mailerflags(const char *mflags)
-{
- evl_conf.mailerflags = mflags;
-}
-
-void
-eventlog_set_mailfrom(const char *from_addr)
-{
- evl_conf.mailfrom = from_addr;
-}
-
-void
-eventlog_set_mailto(const char *to_addr)
-{
- evl_conf.mailto = to_addr;
-}
-
-void
-eventlog_set_mailsub(const char *subject)
-{
- evl_conf.mailsub = subject;
-}
-
-void
-eventlog_set_open_log(FILE *(*fn)(int type, const char *))
-{
- evl_conf.open_log = fn;
-}
-
-void
-eventlog_set_close_log(void (*fn)(int type, FILE *))
-{
- evl_conf.close_log = fn;
-}
-
-bool
-eventlog_setconf(struct eventlog_config *conf)
-{
- debug_decl(eventlog_setconf, SUDO_DEBUG_UTIL);
-
- if (conf != NULL) {
- memcpy(&evl_conf, conf, sizeof(evl_conf));
- } else {
- memset(&evl_conf, 0, sizeof(evl_conf));
- }
-
- /* Apply default values where possible. */
- if (evl_conf.syslog_maxlen == 0)
- evl_conf.syslog_maxlen = MAXSYSLOGLEN;
- if (evl_conf.logpath == NULL)
- evl_conf.logpath = _PATH_SUDO_LOGFILE;
- if (evl_conf.time_fmt == NULL)
- evl_conf.time_fmt = "%h %e %T";
-#ifdef _PATH_SUDO_SENDMAIL
- if (evl_conf.mailerpath == NULL)
- evl_conf.mailerpath = _PATH_SUDO_SENDMAIL;
-#endif
- if (evl_conf.mailerflags == NULL)
- evl_conf.mailerflags = "-t";
- if (evl_conf.mailto == NULL)
- evl_conf.mailto = MAILTO;
- if (evl_conf.mailsub == NULL)
- evl_conf.mailsub = N_(MAILSUBJECT);
- if (evl_conf.open_log == NULL)
- evl_conf.open_log = eventlog_stub_open_log;
- if (evl_conf.close_log == NULL)
- evl_conf.close_log = eventlog_stub_close_log;
-
- debug_return_bool(true);
-}
diff --git a/lib/eventlog/eventlog_conf.c b/lib/eventlog/eventlog_conf.c
new file mode 100644
index 000000000..8ad03851f
--- /dev/null
+++ b/lib/eventlog/eventlog_conf.c
@@ -0,0 +1,226 @@
+/*
+ * SPDX-License-Identifier: ISC
+ *
+ * Copyright (c) 1994-1996, 1998-2020 Todd C. Miller <Todd.Miller@sudo.ws>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * Sponsored in part by the Defense Advanced Research Projects
+ * Agency (DARPA) and Air Force Research Laboratory, Air Force
+ * Materiel Command, USAF, under agreement number F39502-99-1-0512.
+ */
+
+/*
+ * This is an open source non-commercial project. Dear PVS-Studio, please check it.
+ * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+ */
+
+#include <config.h>
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/stat.h>
+#include <sys/wait.h>
+#include <netinet/in.h>
+
+#include <ctype.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <grp.h>
+#include <locale.h>
+#include <pwd.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <syslog.h>
+#include <time.h>
+#include <unistd.h>
+
+#include "pathnames.h"
+#include "sudo_compat.h"
+#include "sudo_debug.h"
+#include "sudo_eventlog.h"
+#include "sudo_fatal.h"
+#include "sudo_gettext.h"
+#include "sudo_json.h"
+#include "sudo_queue.h"
+#include "sudo_util.h"
+
+static FILE *eventlog_stub_open_log(int type, const char *logfile);
+static void eventlog_stub_close_log(int type, FILE *fp);
+
+/* Eventlog config settings (default values). */
+static struct eventlog_config evl_conf = {
+ EVLOG_NONE, /* type */
+ EVLOG_SUDO, /* format */
+ LOG_NOTICE, /* syslog_acceptpri */
+ LOG_ALERT, /* syslog_rejectpri */
+ LOG_ALERT, /* syslog_alertpri */
+ MAXSYSLOGLEN, /* syslog_maxlen */
+ 0, /* file_maxlen */
+ ROOT_UID, /* mailuid */
+ false, /* omit_hostname */
+ _PATH_SUDO_LOGFILE, /* logpath */
+ "%h %e %T", /* time_fmt */
+#ifdef _PATH_SUDO_SENDMAIL
+ _PATH_SUDO_SENDMAIL, /* mailerpath */
+#else
+ NULL, /* mailerpath (disabled) */
+#endif
+ "-t", /* mailerflags */
+ NULL, /* mailfrom */
+ MAILTO, /* mailto */
+ N_(MAILSUBJECT), /* mailsub */
+ eventlog_stub_open_log, /* open_log */
+ eventlog_stub_close_log /* close_log */
+};
+
+static FILE *
+eventlog_stub_open_log(int type, const char *logfile)
+{
+ debug_decl(eventlog_stub_open_log, SUDO_DEBUG_UTIL);
+ sudo_debug_printf(SUDO_DEBUG_WARN|SUDO_DEBUG_LINENO,
+ "open_log not set, using stub");
+ debug_return_ptr(NULL);
+}
+
+static void
+eventlog_stub_close_log(int type, FILE *fp)
+{
+ debug_decl(eventlog_stub_close_log, SUDO_DEBUG_UTIL);
+ sudo_debug_printf(SUDO_DEBUG_WARN|SUDO_DEBUG_LINENO,
+ "close_log not set, using stub");
+ debug_return;
+}
+
+/*
+ * eventlog config setters.
+ */
+
+void
+eventlog_set_type(int type)
+{
+ evl_conf.type = type;
+}
+
+void
+eventlog_set_format(enum eventlog_format format)
+{
+ evl_conf.format = format;
+}
+
+void
+eventlog_set_syslog_acceptpri(int pri)
+{
+ evl_conf.syslog_acceptpri = pri;
+}
+
+void
+eventlog_set_syslog_rejectpri(int pri)
+{
+ evl_conf.syslog_rejectpri = pri;
+}
+
+void
+eventlog_set_syslog_alertpri(int pri)
+{
+ evl_conf.syslog_alertpri = pri;
+}
+
+void
+eventlog_set_syslog_maxlen(int len)
+{
+ evl_conf.syslog_maxlen = len;
+}
+
+void
+eventlog_set_file_maxlen(int len)
+{
+ evl_conf.file_maxlen = len;
+}
+
+void
+eventlog_set_mailuid(uid_t uid)
+{
+ evl_conf.mailuid = uid;
+}
+
+void
+eventlog_set_omit_hostname(bool omit_hostname)
+{
+ evl_conf.omit_hostname = omit_hostname;
+}
+
+void
+eventlog_set_logpath(const char *path)
+{
+ evl_conf.logpath = path;
+}
+
+void
+eventlog_set_time_fmt(const char *fmt)
+{
+ evl_conf.time_fmt = fmt;
+}
+
+void
+eventlog_set_mailerpath(const char *path)
+{
+ evl_conf.mailerpath = path;
+}
+
+void
+eventlog_set_mailerflags(const char *mflags)
+{
+ evl_conf.mailerflags = mflags;
+}
+
+void
+eventlog_set_mailfrom(const char *from_addr)
+{
+ evl_conf.mailfrom = from_addr;
+}
+
+void
+eventlog_set_mailto(const char *to_addr)
+{
+ evl_conf.mailto = to_addr;
+}
+
+void
+eventlog_set_mailsub(const char *subject)
+{
+ evl_conf.mailsub = subject;
+}
+
+void
+eventlog_set_open_log(FILE *(*fn)(int type, const char *))
+{
+ evl_conf.open_log = fn;
+}
+
+void
+eventlog_set_close_log(void (*fn)(int type, FILE *))
+{
+ evl_conf.close_log = fn;
+}
+
+/*
+ * get eventlog config.
+ */
+const struct eventlog_config *
+eventlog_getconf(void)
+{
+ return &evl_conf;
+}
--
2.43.0