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authorJeremy Allison <jra@samba.org>2001-12-18 08:19:02 +0000
committerJeremy Allison <jra@samba.org>2001-12-18 08:19:02 +0000
commited611ffe1a83f9d08acafbe629c91300e6c5d13f (patch)
tree172a77d1d870a99f8eb23325a0e00f15d6d0c947 /source3/smbd/utmp.c
parent08bf73c3263954fe10fbbf7bf6ea84e24e74139e (diff)
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Tidyup utmp code to cope with hostname = NULL.
Jeremy (This used to be commit 2a1b531a1c4f1a4772c95c867f35eac50ed1c7fa)
Diffstat (limited to 'source3/smbd/utmp.c')
-rw-r--r--source3/smbd/utmp.c24
1 files changed, 13 insertions, 11 deletions
diff --git a/source3/smbd/utmp.c b/source3/smbd/utmp.c
index cc52db8462..92e001cd03 100644
--- a/source3/smbd/utmp.c
+++ b/source3/smbd/utmp.c
@@ -299,8 +299,8 @@ static void updwtmp_my(pstring wname, struct utmp *u, BOOL claim)
* man page appears not to specify (hints non-NULL)
* A correspondent suggest at least ut_name should be NULL
*/
- memset((char *)&(u->ut_name), '\0', sizeof(u->ut_name));
- memset((char *)&(u->ut_host), '\0', sizeof(u->ut_host));
+ memset((char *)&u->ut_name, '\0', sizeof(u->ut_name));
+ memset((char *)&u->ut_host, '\0', sizeof(u->ut_host));
}
/* Stolen from logwtmp function in libutil.
* May be more locking/blocking is needed?
@@ -319,7 +319,7 @@ static void updwtmp_my(pstring wname, struct utmp *u, BOOL claim)
Update via utmp/wtmp (not utmpx/wtmpx).
****************************************************************************/
-static void utmp_nox_update(struct utmp *u, const char *host, BOOL claim)
+static void utmp_nox_update(struct utmp *u, BOOL claim)
{
pstring uname, wname;
#if defined(PUTUTLINE_RETURNS_UTMP)
@@ -380,14 +380,16 @@ static void utmp_nox_update(struct utmp *u, const char *host, BOOL claim)
static void utmp_strcpy(char *dest, const char *src, size_t n)
{
- size_t len;
+ size_t len = 0;
- len = strlen(src);
+ memset(dest, '\0', n);
+ if (src)
+ len = strlen(src);
if (len >= n) {
memcpy(dest, src, n);
} else {
- memcpy(dest, src, len);
- memset(dest + len, '\0', n - len);
+ if (len)
+ memcpy(dest, src, len);
}
}
@@ -399,15 +401,15 @@ static void sys_utmp_update(struct utmp *u, const char *hostname, BOOL claim)
{
#if !defined(HAVE_UTMPX_H)
/* No utmpx stuff. Drop to non-x stuff */
- utmp_nox_update(u, hostname, claim);
+ utmp_nox_update(u, claim);
#elif !defined(HAVE_PUTUTXLINE)
/* Odd. Have utmpx.h but no "pututxline()". Drop to non-x stuff */
DEBUG(1,("utmp_update: have utmpx.h but no pututxline() function\n"));
- utmp_nox_update(u, hostname, claim);
+ utmp_nox_update(u, claim);
#elif !defined(HAVE_GETUTMPX)
/* Odd. Have utmpx.h but no "getutmpx()". Drop to non-x stuff */
DEBUG(1,("utmp_update: have utmpx.h but no getutmpx() function\n"));
- utmp_nox_update(u, hostname, claim);
+ utmp_nox_update(u, claim);
#else
pstring uname, wname;
struct utmpx ux, *uxrc;
@@ -433,7 +435,7 @@ static void sys_utmp_update(struct utmp *u, const char *hostname, BOOL claim)
* Drop to non-x method. (E.g. RH6 has good defaults in "utmp.h".)
*/
if ((strlen(uname) == 0) || (strlen(wname) == 0)) {
- utmp_nox_update(u, hostname, claim);
+ utmp_nox_update(u, claim);
} else {
utmpxname(uname);
setutxent();