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careful not to thrust h_length from gethostby{name,addr}

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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@1056 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Assar Westerlund
1996-11-19 21:56:12 +00:00
parent 42ba7456be
commit 99f492acf0
8 changed files with 26 additions and 30 deletions
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2
lib/roken/inaddr2str.c
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@@ -68,7 +68,7 @@ inaddr2str(struct in_addr addr, char *s, size_t len)
h = gethostbyname (h->h_name);
if(h)
while ((p = *(h->h_addr_list)++))
if (memcmp (p, &addr, h->h_length) == 0) {
if (memcmp (p, &addr, sizeof(addr)) == 0) {
strncpy (s, h->h_name, len);
s[len - 1] = '\0';
return;

5
lib/roken/iruserok.c
View File

@@ -100,8 +100,9 @@ __ivaliduser(FILE *hostf, u_int32_t raddr, const char *luser, const char *ruser)
#define ypdomain NULL
#endif
/* We need to get the damn hostname back for netgroup matching. */
if ((hp = gethostbyaddr((char *)&raddr, sizeof(u_long),
AF_INET)) == NULL)
if ((hp = gethostbyaddr((char *)&raddr,
sizeof(u_long),
AF_INET)) == NULL)
return (-1);
strncpy(hname, hp->h_name, sizeof(hname));
hname[sizeof(hname) - 1] = '\0';