diff options
Diffstat (limited to 'utils/mountd/auth.c')
-rw-r--r-- | utils/mountd/auth.c | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/utils/mountd/auth.c b/utils/mountd/auth.c index 98c3944..49567c9 100644 --- a/utils/mountd/auth.c +++ b/utils/mountd/auth.c @@ -78,10 +78,19 @@ auth_authenticate_internal(char *what, struct sockaddr_in *caller, } auth_fixpath(path); - if (!(*hpp = gethostbyaddr((const char *)&addr, sizeof(addr), AF_INET))) - *hpp = get_hostent((const char *)&addr, sizeof(addr), - AF_INET); - else { + /* First try it w/o doing a hostname lookup... */ + *hpp = get_hostent((const char *)&addr, sizeof(addr), AF_INET); + exp = export_find(*hpp, path); + + if (!exp) { + /* Ok, that didn't fly. Try it with a reverse lookup. */ + free (*hpp); + *hpp = gethostbyaddr((const char *)&addr, sizeof(addr), + AF_INET); + if (!(*hpp)) { + *error = no_entry; + return NULL; + } else { /* must make sure the hostent is authorative. */ char **sp; struct hostent *forward = NULL; @@ -113,12 +122,14 @@ auth_authenticate_internal(char *what, struct sockaddr_in *caller, *hpp = hostent_dup (*hpp); return NULL; } - } + } - if (!(exp = export_find(*hpp, path))) { + if (!(exp = export_find(*hpp, path))) { *error = no_entry; return NULL; + } } + if (!exp->m_mayexport) { *error = not_exported; return NULL; |