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-rw-r--r--glibc-compat/nss_nis/nis-rpc.c295
1 files changed, 295 insertions, 0 deletions
diff --git a/glibc-compat/nss_nis/nis-rpc.c b/glibc-compat/nss_nis/nis-rpc.c
new file mode 100644
index 0000000000..b265fcdecb
--- /dev/null
+++ b/glibc-compat/nss_nis/nis-rpc.c
@@ -0,0 +1,295 @@
+/* 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.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <nss.h>
+#include <glibc-compat/include/netdb.h>
+#include <ctype.h>
+#include <errno.h>
+#include <string.h>
+#include <bits/libc-lock.h>
+#include <rpcsvc/yp.h>
+#include <rpcsvc/ypclnt.h>
+
+#include "nss-nis.h"
+
+/* Get the declaration of the parser function. */
+#define ENTNAME rpcent
+#define EXTERN_PARSER
+#include "../nss_files/files-parse.c"
+
+__libc_lock_define_initialized (static, lock)
+
+struct response_t
+{
+ char *val;
+ struct response_t *next;
+};
+
+struct intern_t
+{
+ struct response_t *start;
+ struct response_t *next;
+};
+typedef struct intern_t intern_t;
+
+static intern_t intern = {NULL, NULL};
+
+static int
+saveit (int instatus, char *inkey, int inkeylen, char *inval,
+ int invallen, char *indata)
+{
+ intern_t *intern = (intern_t *)indata;
+
+ if (instatus != YP_TRUE)
+ return instatus;
+
+ if (inkey && inkeylen > 0 && inval && invallen > 0)
+ {
+ if (intern->start == NULL)
+ {
+ intern->start = malloc (sizeof (struct response_t));
+ intern->next = intern->start;
+ }
+ else
+ {
+ intern->next->next = malloc (sizeof (struct response_t));
+ intern->next = intern->next->next;
+ }
+ intern->next->next = NULL;
+ intern->next->val = malloc (invallen + 1);
+ strncpy (intern->next->val, inval, invallen);
+ intern->next->val[invallen] = '\0';
+ }
+
+ return 0;
+}
+
+static enum nss_status
+internal_nis_setrpcent (intern_t *intern)
+{
+ char *domainname;
+ struct ypall_callback ypcb;
+ enum nss_status status;
+
+ if (yp_get_default_domain (&domainname))
+ return NSS_STATUS_UNAVAIL;
+
+ while (intern->start != NULL)
+ {
+ if (intern->start->val != NULL)
+ free (intern->start->val);
+ intern->next = intern->start;
+ intern->start = intern->start->next;
+ free (intern->next);
+ }
+ intern->start = NULL;
+
+ ypcb.foreach = saveit;
+ ypcb.data = (char *)intern;
+ status = yperr2nss (yp_all(domainname, "rpc.bynumber", &ypcb));
+ intern->next = intern->start;
+
+ return status;
+}
+
+enum nss_status
+_nss_nis_setrpcent (void)
+{
+ enum nss_status status;
+
+ __libc_lock_lock (lock);
+
+ status = internal_nis_setrpcent (&intern);
+
+ __libc_lock_unlock (lock);
+
+ return status;
+}
+
+static enum nss_status
+internal_nis_endrpcent (intern_t *intern)
+{
+ while (intern->start != NULL)
+ {
+ if (intern->start->val != NULL)
+ free (intern->start->val);
+ intern->next = intern->start;
+ intern->start = intern->start->next;
+ free (intern->next);
+ }
+ intern->start = NULL;
+
+ return NSS_STATUS_SUCCESS;
+}
+
+enum nss_status
+_nss_nis_endrpcent (void)
+{
+ enum nss_status status;
+
+ __libc_lock_lock (lock);
+
+ status = internal_nis_endrpcent (&intern);
+
+ __libc_lock_unlock (lock);
+
+ return status;
+}
+
+static enum nss_status
+internal_nis_getrpcent_r (struct rpcent *rpc, char *buffer, size_t buflen,
+ intern_t *data)
+{
+ struct parser_data *pdata = (void *) buffer;
+ int parse_res;
+ char *p;
+
+ if (data->start == NULL)
+ internal_nis_setrpcent (data);
+
+ /* Get the next entry until we found a correct one. */
+ do
+ {
+ if (data->next == NULL)
+ return NSS_STATUS_NOTFOUND;
+ p = strncpy (buffer, data->next->val, buflen);
+ data->next = data->next->next;
+ while (isspace (*p))
+ ++p;
+
+ parse_res = _nss_files_parse_rpcent (p, rpc, pdata, buflen);
+ if (parse_res == -1 && errno == ERANGE)
+ return NSS_STATUS_TRYAGAIN;
+ }
+ while (!parse_res);
+
+ return NSS_STATUS_SUCCESS;
+}
+
+enum nss_status
+_nss_nis_getrpcent_r (struct rpcent *rpc, char *buffer, size_t buflen)
+{
+ enum nss_status status;
+
+ __libc_lock_lock (lock);
+
+ status = internal_nis_getrpcent_r (rpc, buffer, buflen, &intern);
+
+ __libc_lock_unlock (lock);
+
+ return status;
+}
+
+enum nss_status
+_nss_nis_getrpcbyname_r (const char *name, struct rpcent *rpc,
+ char *buffer, size_t buflen)
+{
+ intern_t data = {NULL, NULL};
+ enum nss_status status;
+ int found;
+
+ if (name == NULL)
+ {
+ __set_errno (EINVAL);
+ return NSS_STATUS_UNAVAIL;
+ }
+
+ status = internal_nis_setrpcent (&data);
+ if (status != NSS_STATUS_SUCCESS)
+ return status;
+
+ found = 0;
+ while (!found &&
+ ((status = internal_nis_getrpcent_r (rpc, buffer, buflen, &data))
+ == NSS_STATUS_SUCCESS))
+ {
+ if (strcmp (rpc->r_name, name) == 0)
+ found = 1;
+ else
+ {
+ int i = 0;
+
+ while (rpc->r_aliases[i] != NULL)
+ {
+ if (strcmp (rpc->r_aliases[i], name) == 0)
+ {
+ found = 1;
+ break;
+ }
+ else
+ ++i;
+ }
+ }
+ }
+
+ internal_nis_endrpcent (&data);
+
+ if (!found && status == NSS_STATUS_SUCCESS)
+ return NSS_STATUS_NOTFOUND;
+ else
+ return status;
+}
+
+enum nss_status
+_nss_nis_getrpcbynumber_r (int number, struct rpcent *rpc,
+ char *buffer, size_t buflen)
+{
+ struct parser_data *data = (void *) buffer;
+ enum nss_status retval;
+ char *domain, *result, *p;
+ int len, nlen, parse_res;
+ char buf[32];
+
+ if (yp_get_default_domain (&domain))
+ return NSS_STATUS_UNAVAIL;
+
+ nlen = sprintf (buf, "%d", number);
+
+ retval = yperr2nss (yp_match (domain, "rpc.bynumber", buf,
+ nlen, &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;
+ }
+
+ p = strncpy (buffer, result, len);
+ buffer[len] = '\0';
+ while (isspace (*p))
+ ++p;
+ free (result);
+
+ parse_res = _nss_files_parse_rpcent (p, rpc, data, buflen);
+
+ if (parse_res == -1 && errno == ERANGE)
+ return NSS_STATUS_TRYAGAIN;
+ else if (parse_res == 0)
+ return NSS_STATUS_NOTFOUND;
+
+ return NSS_STATUS_SUCCESS;
+}
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