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Thomas Jarosch: Move hostname setting code from main() into init()

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This commit is contained in:
Joey Schulze 2007-11-10 19:01:48 +00:00
parent be3066caa3
commit c5f9d2cd50
1 changed files with 45 additions and 37 deletions
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82
syslogd.c
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@ -494,6 +494,9 @@ static char sccsid[] = "@(#)syslogd.c 5.27 (Berkeley) 10/10/88";
* Wed Jul 4 21:02:22 CEST 2007: Martin Schulze <joey@infodrom.org>
* Open a pipe with O_NOCTTY to avoid them becoming the controlling
* tty and normal files with O_NONBLOCK to avoid blocking.
*
* Fri Oct 26 17:21:15 CEST 2007: Thomas Jarosch <thomas.jarosch@intra2net.com>
* Move hostname setting code from main() into init().
*/
@ -837,7 +840,6 @@ int main(argc, argv)
char **argv;
{
register int i;
register char *p;
#ifndef TESTING
ssize_t msglen;
#endif
@ -873,7 +875,6 @@ int main(argc, argv)
pid_t ppid = getpid();
#endif
int ch;
struct hostent *hent;
char line[MAXLINE +1];
extern int optind;
@ -1012,42 +1013,10 @@ int main(argc, argv)
consfile.f_type = F_CONSOLE;
(void) strcpy(consfile.f_un.f_fname, ctty);
(void) gethostname(LocalHostName, sizeof(LocalHostName));
LocalDomain = emptystring;
if ( (p = strchr(LocalHostName, '.')) ) {
*p++ = '\0';
LocalDomain = p;
}
else if ( AcceptRemote )
{
/*
* It's not clearly defined whether gethostname()
* should return the simple hostname or the fqdn. A
* good piece of software should be aware of both and
* we want to distribute good software. Joey
*
* Good software also always checks its return values...
* If syslogd starts up before DNS is up & /etc/hosts
* doesn't have LocalHostName listed, gethostbyname will
* return NULL.
*/
hent = gethostbyname(LocalHostName);
if ( hent )
snprintf(LocalHostName, sizeof(LocalHostName), "%s", hent->h_name);
if ( (p = strchr(LocalHostName, '.')) )
{
*p++ = '\0';
LocalDomain = p;
}
}
/*
* Convert to lower case to recognize the correct domain laterly
*/
for (p = (char *)LocalDomain; *p ; p++)
if (isupper(*p))
*p = tolower(*p);
/* Initialization is done by init() */
(void) strcpy(LocalHostName, emptystring);
LocalDomain = emptystring;
(void) signal(SIGTERM, die);
(void) signal(SIGINT, Debug ? die : SIG_IGN);
@ -2327,6 +2296,7 @@ void init()
char cline[BUFSIZ];
#endif
struct servent *sp;
struct hostent *hent;
sp = getservbyname("syslog", "udp");
if (sp == NULL) {
@ -2383,6 +2353,44 @@ void init()
f = NULL;
#endif
/* Get hostname */
(void) gethostname(LocalHostName, sizeof(LocalHostName));
LocalDomain = emptystring;
if ( (p = strchr(LocalHostName, '.')) ) {
*p++ = '\0';
LocalDomain = p;
}
else if ( AcceptRemote )
{
/*
* It's not clearly defined whether gethostname()
* should return the simple hostname or the fqdn. A
* good piece of software should be aware of both and
* we want to distribute good software. Joey
*
* Good software also always checks its return values...
* If syslogd starts up before DNS is up & /etc/hosts
* doesn't have LocalHostName listed, gethostbyname will
* return NULL.
*/
hent = gethostbyname(LocalHostName);
if ( hent )
snprintf(LocalHostName, sizeof(LocalHostName), "%s", hent->h_name);
if ( (p = strchr(LocalHostName, '.')) )
{
*p++ = '\0';
LocalDomain = p;
}
}
/*
* Convert to lower case to recognize the correct domain laterly
*/
for (p = (char *)LocalDomain; *p ; p++)
if (isupper(*p))
*p = tolower(*p);
/* open the configuration file */
if ((cf = fopen(ConfFile, "r")) == NULL) {
dprintf("cannot open %s.\n", ConfFile);