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Use MAX_HOST_NAME+1 (limits.h) instead of MAXHOSTNAMELEN (sys/param.h

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or netdb.h).
This commit is contained in:
Todd C. Miller
2012-12-04 10:18:41 -05:00
parent 9a1889a61c
commit 3c9da162e4
5 changed files with 15 additions and 7 deletions
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4
plugins/sudoers/match.c
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@@ -788,8 +788,8 @@ netgr_matches(char *netgr, char *lhost, char *shost, char *user)
#ifdef HAVE_GETDOMAINNAME
/* get the domain name (if any) */
if (!initialized) {
domain = (char *) emalloc(MAXHOSTNAMELEN + 1);
if (getdomainname(domain, MAXHOSTNAMELEN + 1) == -1 || *domain == '\0') {
domain = (char *) emalloc(HOST_NAME_MAX + 1);
if (getdomainname(domain, HOST_NAME_MAX + 1) == -1 || *domain == '\0') {
efree(domain);
domain = NULL;
}

2
plugins/sudoers/testsudoers.c
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@@ -128,7 +128,7 @@ main(int argc, char *argv[])
struct privilege *priv;
struct userspec *us;
char *p, *grfile, *pwfile;
char hbuf[MAXHOSTNAMELEN + 1];
char hbuf[HOST_NAME_MAX + 1];
int match, host_match, runas_match, cmnd_match;
int ch, dflag, exitcode = 0;
debug_decl(main, SUDO_DEBUG_MAIN)

2
plugins/sudoers/visudo.c
View File

@@ -1040,7 +1040,7 @@ get_args(char *cmnd)
static void
get_hostname(void)
{
char *p, thost[MAXHOSTNAMELEN + 1];
char *p, thost[HOST_NAME_MAX + 1];
debug_decl(get_hostname, SUDO_DEBUG_UTIL)
if (gethostname(thost, sizeof(thost)) != -1) {