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If hostname > UT_HOSTSIZE, use its numeric address instead to keep

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valid entries into utmp and wtmp
This commit is contained in:
Andrey A. Chernov 1996-06-17 14:49:02 +00:00
parent 43be698cb6
commit 2fcdb74d96
1 changed files with 18 additions and 4 deletions
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22
lib/libutil/logwtmp.c
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@ -37,12 +37,16 @@ static char sccsid[] = "@(#)logwtmp.c 8.1 (Berkeley) 6/4/93";
#include <sys/types.h>
#include <sys/file.h>
#include <sys/time.h>
#include <sys/stat.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <libutil.h>
#include <netdb.h>
#include <string.h>
#include <time.h>
#include <unistd.h>
#include <utmp.h>
#include <libutil.h>
void
logwtmp(line, name, host)
@ -51,8 +55,18 @@ logwtmp(line, name, host)
struct utmp ut;
struct stat buf;
int fd;
time_t time();
char *strncpy();
if (strlen(host) > UT_HOSTSIZE) {
struct hostent *hp = gethostbyname(host);
if (hp != NULL) {
struct in_addr in;
memmove(&in, hp->h_addr, sizeof(in));
host = inet_ntoa(in);
} else
host = "invalid hostname";
}
if ((fd = open(_PATH_WTMP, O_WRONLY|O_APPEND, 0)) < 0)
return;