-/* Copyright (C) 1996 Free Software Foundation, Inc.
+/* Copyright (C) 1996, 1997 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1996.
#include "nss-nis.h"
+/* Get the declaration of the parser function. */
+#define ENTNAME protoent
+#define EXTERN_PARSER
+#include <nss/nss_files/files-parse.c>
+
__libc_lock_define_initialized (static, lock)
-static bool_t new_start = 1;
-static char *oldkey = NULL;
-static int oldkeylen = 0;
+struct response
+{
+ char *val;
+ struct response *next;
+};
+
+static struct response *start = NULL;
+static struct response *next = NULL;
+
+static int
+saveit (int instatus, char *inkey, int inkeylen, char *inval,
+ int invallen, char *indata)
+{
+ if (instatus != YP_TRUE)
+ return instatus;
+
+ if (inkey && inkeylen > 0 && inval && invallen > 0)
+ {
+ if (start == NULL)
+ {
+ start = malloc (sizeof (struct response));
+ next = start;
+ }
+ else
+ {
+ next->next = malloc (sizeof (struct response));
+ next = next->next;
+ }
+ next->next = NULL;
+ next->val = malloc (invallen + 1);
+ strncpy (next->val, inval, invallen);
+ next->val[invallen] = '\0';
+ }
+
+ return 0;
+}
enum nss_status
-_nss_nis_setprotoent (void)
+internal_nis_setprotoent (void)
{
- __libc_lock_lock (lock);
+ char *domainname;
+ struct ypall_callback ypcb;
+ enum nss_status status;
- new_start = 1;
- if (oldkey != NULL)
+ yp_get_default_domain (&domainname);
+
+ while (start != NULL)
{
- free (oldkey);
- oldkey = NULL;
- oldkeylen = 0;
+ if (start->val != NULL)
+ free (start->val);
+ next = start;
+ start = start->next;
+ free (next);
}
+ start = NULL;
+
+ ypcb.foreach = saveit;
+ ypcb.data = NULL;
+ status = yperr2nss (yp_all (domainname, "protocols.bynumber", &ypcb));
+ next = start;
+
+ return status;
+}
+
+enum nss_status
+_nss_nis_setprotoent (void)
+{
+ enum nss_status status;
+
+ __libc_lock_lock (lock);
+
+ status = internal_nis_setprotoent ();
__libc_lock_unlock (lock);
- return NSS_STATUS_SUCCESS;
+ return status;
}
enum nss_status
{
__libc_lock_lock (lock);
- new_start = 1;
- if (oldkey != NULL)
+ while (start != NULL)
{
- free (oldkey);
- oldkey = NULL;
- oldkeylen = 0;
+ if (start->val != NULL)
+ free (start->val);
+ next = start;
+ start = start->next;
+ free (next);
}
+ start = NULL;
+ next = NULL;
__libc_lock_unlock (lock);
internal_nis_getprotoent_r (struct protoent *proto,
char *buffer, size_t buflen)
{
- char *domain, *result, *outkey;
- int len, keylen, parse_res;
+ struct parser_data *data = (void *) buffer;
+ int parse_res;
- if (yp_get_default_domain (&domain))
- return NSS_STATUS_UNAVAIL;
+ if (start == NULL)
+ internal_nis_setprotoent ();
/* Get the next entry until we found a correct one. */
do
{
- enum nss_status retval;
char *p;
- if (new_start)
- retval = yperr2nss (yp_first (domain, "protocols.bynumber",
- &outkey, &keylen, &result, &len));
- else
- retval = yperr2nss ( yp_next (domain, "protocols.bynumber",
- oldkey, oldkeylen,
- &outkey, &keylen, &result, &len));
-
- if (retval != NSS_STATUS_SUCCESS)
- {
- if (retval == NSS_STATUS_TRYAGAIN)
- __set_errno (EAGAIN);
- return retval;
- }
-
- if ((size_t) (len + 1) > buflen)
- {
- free (result);
- __set_errno (ERANGE);
- return NSS_STATUS_TRYAGAIN;
- }
+ if (next == NULL)
+ return NSS_STATUS_NOTFOUND;
+ p = strcpy (buffer, next->val);
+ next = next->next;
- p = strncpy (buffer, result, len);
- buffer[len] = '\0';
while (isspace (*p))
++p;
- free (result);
- parse_res = _nss_files_parse_protoent (p, proto, buffer, buflen);
+ parse_res = _nss_files_parse_protoent (p, proto, data, buflen);
if (!parse_res && errno == ERANGE)
return NSS_STATUS_TRYAGAIN;
-
- free (oldkey);
- oldkey = outkey;
- oldkeylen = keylen;
- new_start = 0;
}
while (!parse_res);
_nss_nis_getprotobyname_r (const char *name, struct protoent *proto,
char *buffer, size_t buflen)
{
+ struct parser_data *data = (void *) buffer;
enum nss_status retval;
char *domain, *result, *p;
int len, parse_res;
++p;
free (result);
- parse_res = _nss_files_parse_protoent (p, proto, buffer, buflen);
+ parse_res = _nss_files_parse_protoent (p, proto, data, buflen);
if (!parse_res)
{
_nss_nis_getprotobynumber_r (int number, struct protoent *proto,
char *buffer, size_t buflen)
{
+ struct parser_data *data = (void *) buffer;
enum nss_status retval;
char *domain, *result, *p;
int len, nlen, parse_res;
++p;
free (result);
- parse_res = _nss_files_parse_protoent (p, proto, buffer, buflen);
+ parse_res = _nss_files_parse_protoent (p, proto, data, buflen);
if (!parse_res)
{