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Log wtmp according to an address family properly.

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Reported by:	matusita
Reviewed by:	matusita
MFC after:	1 week
This commit is contained in:
Hajimu UMEMOTO 2002-01-28 14:50:07 +00:00
parent 350cb38b1f
commit 46948173e8
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=89920
3 changed files with 16 additions and 25 deletions
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5
libexec/ftpd/extern.h
View File

@ -34,13 +34,16 @@
* $FreeBSD$
*/
#include <sys/types.h>
#include <sys/socket.h>
void blkfree __P((char **));
char **copyblk __P((char **));
void cwd __P((char *));
void delete __P((char *));
void dologout __P((int));
void fatalerror __P((char *));
void ftpd_logwtmp __P((char *, char *, char *));
void ftpd_logwtmp __P((char *, char *, struct sockaddr *addr));
int ftpd_pclose __P((FILE *));
FILE *ftpd_popen __P((char *, char *));
char *getline __P((char *, int, FILE *));

6
libexec/ftpd/ftpd.c
View File

@ -1057,7 +1057,7 @@ end_login()
(void) seteuid((uid_t)0);
if (logged_in)
ftpd_logwtmp(ttyline, "", "");
ftpd_logwtmp(ttyline, "", NULL);
pw = NULL;
#ifdef LOGIN_CAP
setusercontext(NULL, getpwuid(0), (uid_t)0,
@ -1339,7 +1339,7 @@ pass(passwd)
#endif
/* open wtmp before chroot */
ftpd_logwtmp(ttyline, pw->pw_name, remotehost);
ftpd_logwtmp(ttyline, pw->pw_name, (struct sockaddr *)&his_addr);
logged_in = 1;
if (guest && stats && statfd < 0)
@ -2377,7 +2377,7 @@ dologout(status)
if (logged_in) {
(void) seteuid((uid_t)0);
ftpd_logwtmp(ttyline, "", "");
ftpd_logwtmp(ttyline, "", NULL);
}
/* beware of flushing buffers after a SIGPIPE */
_exit(status);

30
libexec/ftpd/logwtmp.c
View File

@ -52,6 +52,7 @@ static const char rcsid[] =
#include <unistd.h>
#include <stdio.h>
#include <string.h>
#include <libutil.h>
#include "extern.h"
static int fd = -1;
@ -62,31 +63,18 @@ static int fd = -1;
* after login, but before logout).
*/
void
ftpd_logwtmp(line, name, host)
char *line, *name, *host;
ftpd_logwtmp(line, name, addr)
char *line, *name;
struct sockaddr *addr;
{
struct utmp ut;
struct stat buf;
char host[UT_HOSTSIZE];
if (strlen(host) > UT_HOSTSIZE) {
struct addrinfo hints, *res;
int error;
static char hostbuf[BUFSIZ];
memset(&hints, 0, sizeof(hints));
hints.ai_family = PF_UNSPEC;
error = getaddrinfo(host, NULL, &hints, &res);
if (error)
host = "invalid hostname";
else {
getnameinfo(res->ai_addr, res->ai_addrlen,
hostbuf, sizeof(hostbuf), NULL, 0,
NI_NUMERICHOST);
host = hostbuf;
if (strlen(host) > UT_HOSTSIZE)
host[UT_HOSTSIZE] = '\0';
}
}
if (addr == NULL)
host[0] = '\0';
else
realhostname_sa(host, sizeof(host), addr, addr->sa_len);
if (fd < 0 && (fd = open(_PATH_WTMP, O_WRONLY|O_APPEND, 0)) < 0)
return;