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-rw-r--r--nis/nss_compat/compat-spwd.c713
1 files changed, 174 insertions, 539 deletions
diff --git a/nis/nss_compat/compat-spwd.c b/nis/nss_compat/compat-spwd.c
index 8ce02e3da3..a2757c4b66 100644
--- a/nis/nss_compat/compat-spwd.c
+++ b/nis/nss_compat/compat-spwd.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996,1997,1998,1999,2001,2002 Free Software Foundation, Inc.
+/* Copyright (C) 1996,1997,1998,1999,2001,2002,2003 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1996.
@@ -25,19 +25,20 @@
#include <shadow.h>
#include <string.h>
#include <bits/libc-lock.h>
-#include <rpcsvc/yp.h>
+#include <rpc/types.h>
#include <rpcsvc/ypclnt.h>
-#include <rpcsvc/nis.h>
#include <nsswitch.h>
#include "netgroup.h"
-#include "nss-nisplus.h"
-#include "nisplus-parser.h"
static service_user *ni;
-static bool_t use_nisplus; /* default: passwd_compat: nis */
-static nis_name pwdtable; /* Name of the password table */
-static size_t pwdtablelen;
+static enum nss_status (*nss_setspent) (int stayopen);
+static enum nss_status (*nss_getspnam_r) (const char *name, struct spwd * sp,
+ char *buffer, size_t buflen,
+ int *errnop);
+static enum nss_status (*nss_getspent_r) (struct spwd * sp, char *buffer,
+ size_t buflen, int *errnop);
+static enum nss_status (*nss_endspent) (void);
/* Get the declaration of the parser function. */
#define ENTNAME spent
@@ -49,28 +50,25 @@ static size_t pwdtablelen;
#define BLACKLIST_INITIAL_SIZE 512
#define BLACKLIST_INCREMENT 256
struct blacklist_t
- {
- char *data;
- int current;
- int size;
- };
+{
+ char *data;
+ int current;
+ int size;
+};
struct ent_t
- {
- bool_t netgroup;
- bool_t nis;
- bool_t first;
- char *oldkey;
- int oldkeylen;
- nis_result *result;
- FILE *stream;
- struct blacklist_t blacklist;
- struct spwd pwd;
- struct __netgrent netgrdata;
- };
+{
+ bool_t netgroup;
+ bool_t files;
+ bool_t first;
+ FILE *stream;
+ struct blacklist_t blacklist;
+ struct spwd pwd;
+ struct __netgrent netgrdata;
+};
typedef struct ent_t ent_t;
-static ent_t ext_ent = {0, 0, 0, NULL, 0, NULL, NULL, {NULL, 0, 0},
+static ent_t ext_ent = {0, TRUE, 0, NULL, {NULL, 0, 0},
{NULL, NULL, 0, 0, 0, 0, 0, 0, 0}};
/* Protect global state against multiple changers. */
@@ -80,6 +78,21 @@ __libc_lock_define_initialized (static, lock)
static void blacklist_store_name (const char *, ent_t *);
static int in_blacklist (const char *, int, ent_t *);
+/* Initialize the NSS interface/functions. The calling function must
+ hold the lock. */
+static void
+init_nss_interface (void)
+{
+ if (__nss_database_lookup ("shadow_compat", "passwd_compat",
+ "nis", &ni) >= 0)
+ {
+ nss_setspent = __nss_lookup_function (ni, "setspent");
+ nss_getspnam_r = __nss_lookup_function (ni, "getspnam_r");
+ nss_getspent_r = __nss_lookup_function (ni, "getspent_r");
+ nss_endspent = __nss_lookup_function (ni, "endspent");
+ }
+}
+
static void
give_spwd_free (struct spwd *pwd)
{
@@ -142,45 +155,17 @@ copy_spwd_changes (struct spwd *dest, struct spwd *src,
}
static enum nss_status
-internal_setspent (ent_t *ent)
+internal_setspent (ent_t *ent, int stayopen)
{
enum nss_status status = NSS_STATUS_SUCCESS;
- ent->nis = ent->first = ent->netgroup = 0;
+ ent->first = ent->netgroup = 0;
+ ent->files = TRUE;
/* If something was left over free it. */
if (ent->netgroup)
__internal_endnetgrent (&ent->netgrdata);
- if (ent->oldkey != NULL)
- {
- free (ent->oldkey);
- ent->oldkey = NULL;
- ent->oldkeylen = 0;
- }
-
- if (ent->result != NULL)
- {
- nis_freeresult (ent->result);
- ent->result = NULL;
- }
-
- if (pwdtable == NULL)
- {
- static const char key[] = "passwd.org_dir.";
- const char *local_dir = nis_local_directory ();
- size_t len_local_dir = strlen (local_dir);
-
- pwdtable = malloc (sizeof (key) + len_local_dir);
- if (pwdtable == NULL)
- return NSS_STATUS_TRYAGAIN;
-
- pwdtablelen = ((char *) mempcpy (mempcpy (pwdtable,
- key, sizeof (key) - 1),
- local_dir, len_local_dir + 1)
- - pwdtable) - 1;
- }
-
if (ent->blacklist.data != NULL)
{
ent->blacklist.current = 1;
@@ -210,7 +195,7 @@ internal_setspent (ent_t *ent)
if (result < 0)
{
/* Something went wrong. Close the stream and return a
- failure. */
+ failure. */
fclose (ent->stream);
ent->stream = NULL;
status = NSS_STATUS_UNAVAIL;
@@ -222,6 +207,9 @@ internal_setspent (ent_t *ent)
give_spwd_free (&ent->pwd);
+ if (status == NSS_STATUS_SUCCESS && nss_setspent)
+ return nss_setspent (stayopen);
+
return status;
}
@@ -234,12 +222,9 @@ _nss_compat_setspent (int stayopen)
__libc_lock_lock (lock);
if (ni == NULL)
- {
- __nss_database_lookup ("shadow_compat", "passwd_compat", "nis", &ni);
- use_nisplus = (strcmp (ni->name, "nisplus") == 0);
- }
+ init_nss_interface ();
- result = internal_setspent (&ext_ent);
+ result = internal_setspent (&ext_ent, stayopen);
__libc_lock_unlock (lock);
@@ -250,6 +235,9 @@ _nss_compat_setspent (int stayopen)
static enum nss_status
internal_endspent (ent_t *ent)
{
+ if (nss_endspent)
+ nss_endspent ();
+
if (ent->stream != NULL)
{
fclose (ent->stream);
@@ -259,20 +247,8 @@ internal_endspent (ent_t *ent)
if (ent->netgroup)
__internal_endnetgrent (&ent->netgrdata);
- ent->nis = ent->first = ent->netgroup = 0;
-
- if (ent->oldkey != NULL)
- {
- free (ent->oldkey);
- ent->oldkey = NULL;
- ent->oldkeylen = 0;
- }
-
- if (ent->result != NULL)
- {
- nis_freeresult (ent->result);
- ent->result = NULL;
- }
+ ent->first = ent->netgroup = FALSE;
+ ent->files = TRUE;
if (ent->blacklist.data != NULL)
{
@@ -304,25 +280,27 @@ _nss_compat_endspent (void)
static enum nss_status
-getspent_next_nis_netgr (const char *name, struct spwd *result, ent_t *ent,
- char *group, char *buffer, size_t buflen, int *errnop)
+getspent_next_nss_netgr (const char *name, struct spwd *result, ent_t *ent,
+ char *group, char *buffer, size_t buflen,
+ int *errnop)
{
- struct parser_data *data = (void *) buffer;
- char *ypdomain, *host, *user, *domain, *outval, *p, *p2;
- int status, outvallen;
+ char *curdomain, *host, *user, *domain, *p2;
size_t p2len;
- if (yp_get_default_domain (&ypdomain) != YPERR_SUCCESS)
+ if (!nss_getspnam_r)
+ return NSS_STATUS_UNAVAIL;
+
+ if (yp_get_default_domain (&curdomain) != YPERR_SUCCESS)
{
- ent->netgroup = 0;
- ent->first = 0;
+ ent->netgroup = FALSE;
+ ent->first = FALSE;
give_spwd_free (&ent->pwd);
return NSS_STATUS_UNAVAIL;
}
if (ent->first == TRUE)
{
- bzero (&ent->netgrdata, sizeof (struct __netgrent));
+ memset (&ent->netgrdata, 0, sizeof (struct __netgrent));
__internal_setnetgrent (group, &ent->netgrdata);
ent->first = FALSE;
}
@@ -330,7 +308,7 @@ getspent_next_nis_netgr (const char *name, struct spwd *result, ent_t *ent,
while (1)
{
char *saved_cursor;
- int parse_res;
+ enum nss_status status;
saved_cursor = ent->netgrdata.cursor;
status = __internal_getnetgrent_r (&host, &user, &domain,
@@ -339,7 +317,7 @@ getspent_next_nis_netgr (const char *name, struct spwd *result, ent_t *ent,
if (status != 1)
{
__internal_endnetgrent (&ent->netgrdata);
- ent->netgroup = 0;
+ ent->netgroup = FALSE;
give_spwd_free (&ent->pwd);
return NSS_STATUS_RETURN;
}
@@ -347,7 +325,7 @@ getspent_next_nis_netgr (const char *name, struct spwd *result, ent_t *ent,
if (user == NULL || user[0] == '-')
continue;
- if (domain != NULL && strcmp (ypdomain, domain) != 0)
+ if (domain != NULL && strcmp (curdomain, domain) != 0)
continue;
/* If name != NULL, we are called from getpwnam */
@@ -355,240 +333,43 @@ getspent_next_nis_netgr (const char *name, struct spwd *result, ent_t *ent,
if (strcmp (user, name) != 0)
continue;
- if (yp_match (ypdomain, "shadow.byname", user,
- strlen (user), &outval, &outvallen)
- != YPERR_SUCCESS)
- continue;
-
p2len = spwd_need_buflen (&ent->pwd);
if (p2len > buflen)
{
- free (outval);
*errnop = ERANGE;
return NSS_STATUS_TRYAGAIN;
}
p2 = buffer + (buflen - p2len);
buflen -= p2len;
- if (buflen < ((size_t) outval + 1))
- {
- free (outval);
- *errnop = ERANGE;
- return NSS_STATUS_TRYAGAIN;
- }
- p = strncpy (buffer, outval, buflen);
- while (isspace (*p))
- p++;
- free (outval);
- parse_res = _nss_files_parse_spent (p, result, data, buflen, errnop);
- if (parse_res == -1)
- {
- ent->netgrdata.cursor = saved_cursor;
- *errnop = ERANGE;
- return NSS_STATUS_TRYAGAIN;
- }
-
- if (parse_res)
- {
- /* Store the User in the blacklist for the "+" at the end of
- /etc/passwd */
- blacklist_store_name (result->sp_namp, ent);
- copy_spwd_changes (result, &ent->pwd, p2, p2len);
- break;
- }
- }
-
- return NSS_STATUS_SUCCESS;
-}
-
-static enum nss_status
-getspent_next_nisplus_netgr (const char *name, struct spwd *result,
- ent_t *ent, char *group, char *buffer,
- size_t buflen, int *errnop)
-{
- char *ypdomain, *host, *user, *domain, *p2;
- int status, parse_res;
- size_t p2len;
- nis_result *nisres;
-
- /* Maybe we should use domainname here ? We need the current
- domainname for the domain field in netgroups */
- if (yp_get_default_domain (&ypdomain) != YPERR_SUCCESS)
- {
- ent->netgroup = 0;
- ent->first = 0;
- give_spwd_free (&ent->pwd);
- return NSS_STATUS_UNAVAIL;
- }
-
- if (ent->first == TRUE)
- {
- bzero (&ent->netgrdata, sizeof (struct __netgrent));
- __internal_setnetgrent (group, &ent->netgrdata);
- ent->first = FALSE;
- }
-
- while (1)
- {
- char *saved_cursor;
-
- saved_cursor = ent->netgrdata.cursor;
- status = __internal_getnetgrent_r (&host, &user, &domain,
- &ent->netgrdata, buffer, buflen,
- errnop);
- if (status != 1)
- {
- __internal_endnetgrent (&ent->netgrdata);
- ent->netgroup = 0;
- give_spwd_free (&ent->pwd);
- return NSS_STATUS_RETURN;
- }
- if (user == NULL || user[0] == '-')
- continue;
-
- if (domain != NULL && strcmp (ypdomain, domain) != 0)
- continue;
-
- /* If name != NULL, we are called from getpwnam */
- if (name != NULL)
- if (strcmp (user, name) != 0)
- continue;
+ if (nss_getspnam_r (user, result, buffer, buflen, errnop) !=
+ NSS_STATUS_SUCCESS)
+ continue;
- p2len = spwd_need_buflen (&ent->pwd);
- if (p2len > buflen)
- {
- *errnop = ERANGE;
- return NSS_STATUS_TRYAGAIN;
- }
- p2 = buffer + (buflen - p2len);
- buflen -= p2len;
- {
- char buf[strlen (user) + 30 + pwdtablelen];
- sprintf (buf, "[name=%s],%s", user, pwdtable);
- nisres = nis_list (buf, FOLLOW_LINKS | FOLLOW_PATH, NULL, NULL);
- }
- if (niserr2nss (nisres->status) != NSS_STATUS_SUCCESS)
- {
- nis_freeresult (nisres);
- continue;
- }
- parse_res = _nss_nisplus_parse_spent (nisres, result, buffer,
- buflen, errnop);
- if (parse_res == -1)
+ if (!in_blacklist (result->sp_namp, strlen (result->sp_namp), ent))
{
- nis_freeresult (nisres);
- *errnop = ERANGE;
- return NSS_STATUS_TRYAGAIN;
- }
- nis_freeresult (nisres);
-
- if (parse_res)
- {
- /* Store the User in the blacklist for the "+" at the end of
- /etc/passwd */
+ /* Store the User in the blacklist for possible the "+" at the
+ end of /etc/passwd */
blacklist_store_name (result->sp_namp, ent);
copy_spwd_changes (result, &ent->pwd, p2, p2len);
- break;
- }
- }
-
- return NSS_STATUS_SUCCESS;
-}
-
-static enum nss_status
-getspent_next_nisplus (struct spwd *result, ent_t *ent, char *buffer,
- size_t buflen, int *errnop)
-{
- int parse_res;
- size_t p2len;
- char *p2;
-
- p2len = spwd_need_buflen (&ent->pwd);
- if (p2len > buflen)
- {
- *errnop = ERANGE;
- return NSS_STATUS_TRYAGAIN;
- }
- p2 = buffer + (buflen - p2len);
- buflen -= p2len;
- do
- {
- bool_t saved_first;
- nis_result *saved_res;
-
- if (ent->first)
- {
- saved_first = TRUE;
- saved_res = ent->result;
-
- ent->result = nis_first_entry (pwdtable);
- if (niserr2nss (ent->result->status) != NSS_STATUS_SUCCESS)
- {
- ent->nis = 0;
- give_spwd_free (&ent->pwd);
- return niserr2nss (ent->result->status);
- }
- ent->first = FALSE;
- }
- else
- {
- nis_result *res;
-
- saved_first = FALSE;
- saved_res = ent->result;
-
- res = nis_next_entry (pwdtable, &ent->result->cookie);
- ent->result = res;
- if (niserr2nss (ent->result->status) != NSS_STATUS_SUCCESS)
- {
- nis_freeresult (saved_res);
- ent->nis = 0;
- give_spwd_free (&ent->pwd);
- return niserr2nss (ent->result->status);
- }
- }
- parse_res = _nss_nisplus_parse_spent (ent->result, result, buffer,
- buflen, errnop);
- if (parse_res == -1)
- {
- ent->first = saved_first;
- nis_freeresult (ent->result);
- ent->result = saved_res;
- *errnop = ERANGE;
- return NSS_STATUS_TRYAGAIN;
- }
- else
- {
- if (!saved_first)
- nis_freeresult (saved_res);
+ break;
}
- if (parse_res &&
- in_blacklist (result->sp_namp, strlen (result->sp_namp), ent))
- parse_res = 0; /* if result->pw_name in blacklist,search next entry */
}
- while (!parse_res);
-
- copy_spwd_changes (result, &ent->pwd, p2, p2len);
return NSS_STATUS_SUCCESS;
}
static enum nss_status
-getspent_next_nis (struct spwd *result, ent_t *ent,
+getspent_next_nss (struct spwd *result, ent_t *ent,
char *buffer, size_t buflen, int *errnop)
{
- struct parser_data *data = (void *) buffer;
- char *domain, *outkey, *outval, *p, *p2;
- int outkeylen, outvallen, parse_res;
+ enum nss_status status;
+ char *p2;
size_t p2len;
- if (yp_get_default_domain (&domain) != YPERR_SUCCESS)
- {
- ent->nis = 0;
- give_spwd_free (&ent->pwd);
- return NSS_STATUS_UNAVAIL;
- }
+ if (!nss_getspent_r)
+ return NSS_STATUS_UNAVAIL;
p2len = spwd_need_buflen (&ent->pwd);
if (p2len > buflen)
@@ -600,87 +381,11 @@ getspent_next_nis (struct spwd *result, ent_t *ent,
buflen -= p2len;
do
{
- bool_t saved_first;
- char *saved_oldkey;
- int saved_oldlen;
-
- if (ent->first)
- {
- if (yp_first (domain, "shadow.byname", &outkey, &outkeylen,
- &outval, &outvallen) != YPERR_SUCCESS)
- {
- ent->nis = 0;
- give_spwd_free (&ent->pwd);
- return NSS_STATUS_UNAVAIL;
- }
-
- if (buflen < ((size_t) outvallen + 1))
- {
- free (outval);
- *errnop = ERANGE;
- return NSS_STATUS_TRYAGAIN;
- }
-
- saved_first = TRUE;
- saved_oldkey = ent->oldkey;
- saved_oldlen = ent->oldkeylen;
- ent->oldkey = outkey;
- ent->oldkeylen = outkeylen;
- ent->first = FALSE;
- }
- else
- {
- if (yp_next (domain, "shadow.byname", ent->oldkey, ent->oldkeylen,
- &outkey, &outkeylen, &outval, &outvallen)
- != YPERR_SUCCESS)
- {
- ent->nis = 0;
- give_spwd_free (&ent->pwd);
- return NSS_STATUS_NOTFOUND;
- }
-
- if (buflen < ((size_t) outvallen + 1))
- {
- free (outval);
- *errnop = ERANGE;
- return NSS_STATUS_TRYAGAIN;
- }
-
- saved_first = FALSE;
- saved_oldkey = ent->oldkey;
- saved_oldlen = ent->oldkeylen;
- ent->oldkey = outkey;
- ent->oldkeylen = outkeylen;
- }
-
- /* Copy the found data to our buffer */
- p = strncpy (buffer, outval, buflen);
-
- /* ...and free the data. */
- free (outval);
-
- while (isspace (*p))
- ++p;
- parse_res = _nss_files_parse_spent (p, result, data, buflen, errnop);
- if (parse_res == -1)
- {
- free (ent->oldkey);
- ent->oldkey = saved_oldkey;
- ent->oldkeylen = saved_oldlen;
- ent->first = saved_first;
- *errnop = ERANGE;
- return NSS_STATUS_TRYAGAIN;
- }
- else
- {
- if (!saved_first)
- free (saved_oldkey);
- }
- if (parse_res &&
- in_blacklist (result->sp_namp, strlen (result->sp_namp), ent))
- parse_res = 0;
+ if ((status = nss_getspent_r (result, buffer, buflen, errnop)) !=
+ NSS_STATUS_SUCCESS)
+ return status;
}
- while (!parse_res);
+ while (in_blacklist (result->sp_namp, strlen (result->sp_namp), ent));
copy_spwd_changes (result, &ent->pwd, p2, p2len);
@@ -689,15 +394,16 @@ getspent_next_nis (struct spwd *result, ent_t *ent,
/* This function handle the +user entrys in /etc/shadow */
static enum nss_status
-getspnam_plususer (const char *name, struct spwd *result, char *buffer,
- size_t buflen, int *errnop)
+getspnam_plususer (const char *name, struct spwd *result, ent_t *ent,
+ char *buffer, size_t buflen, int *errnop)
{
- struct parser_data *data = (void *) buffer;
struct spwd pwd;
- int parse_res;
char *p;
size_t plen;
+ if (!nss_getspnam_r)
+ return NSS_STATUS_UNAVAIL;
+
memset (&pwd, '\0', sizeof (struct spwd));
pwd.sp_warn = -1;
pwd.sp_inact = -1;
@@ -715,71 +421,16 @@ getspnam_plususer (const char *name, struct spwd *result, char *buffer,
p = buffer + (buflen - plen);
buflen -= plen;
- if (use_nisplus) /* Do the NIS+ query here */
- {
- nis_result *res;
- char buf[strlen (name) + 24 + pwdtablelen];
-
- sprintf(buf, "[name=%s],%s", name, pwdtable);
- res = nis_list(buf, 0, NULL, NULL);
- if (niserr2nss (res->status) != NSS_STATUS_SUCCESS)
- {
- enum nss_status status = niserr2nss (res->status);
-
- nis_freeresult (res);
- return status;
- }
- parse_res = _nss_nisplus_parse_spent (res, result, buffer,
- buflen, errnop);
- if (parse_res == -1)
- {
- nis_freeresult (res);
- *errnop = ERANGE;
- return NSS_STATUS_TRYAGAIN;
- }
- nis_freeresult (res);
- }
- else /* Use NIS */
- {
- char *domain, *outval, *ptr;
- int outvallen;
-
- if (yp_get_default_domain (&domain) != YPERR_SUCCESS)
- return NSS_STATUS_NOTFOUND;
-
- if (yp_match (domain, "shadow.byname", name, strlen (name),
- &outval, &outvallen) != YPERR_SUCCESS)
- return NSS_STATUS_NOTFOUND;
-
- if (buflen < ((size_t) outvallen + 1))
- {
- free (outval);
- *errnop = ERANGE;
- return NSS_STATUS_TRYAGAIN;
- }
+ if (nss_getspnam_r (name, result, buffer, buflen, errnop) !=
+ NSS_STATUS_SUCCESS)
+ return NSS_STATUS_NOTFOUND;
- ptr = strncpy (buffer, outval, buflen);
- free (outval);
- while (isspace (*ptr))
- ptr++;
- parse_res = _nss_files_parse_spent (ptr, result, data, buflen, errnop);
- if (parse_res == -1)
- return NSS_STATUS_TRYAGAIN;
- }
+ if (in_blacklist (result->sp_namp, strlen (result->sp_namp), ent))
+ return NSS_STATUS_NOTFOUND;
- if (parse_res)
- {
- copy_spwd_changes (result, &pwd, p, plen);
- give_spwd_free (&pwd);
- /* We found the entry. */
- return NSS_STATUS_SUCCESS;
- }
- else
- {
- /* Give buffer the old len back */
- buflen += plen;
- give_spwd_free (&pwd);
- }
+ copy_spwd_changes (result, &pwd, p, plen);
+ give_spwd_free (&pwd);
+ /* We found the entry. */
return NSS_STATUS_RETURN;
}
@@ -814,18 +465,18 @@ getspent_next_file (struct spwd *result, ent_t *ent,
++p;
}
while (*p == '\0' || *p == '#' /* Ignore empty and comment lines. */
- /* Parse the line. If it is invalid, loop to
- get the next line of the file to parse. */
+ /* Parse the line. If it is invalid, loop to
+ get the next line of the file to parse. */
|| !(parse_res = _nss_files_parse_spent (p, result, data,
buflen, errnop)));
if (parse_res == -1)
- {
- /* The parser ran out of space. */
- fsetpos (ent->stream, &pos);
- *errnop = ERANGE;
- return NSS_STATUS_TRYAGAIN;
- }
+ {
+ /* The parser ran out of space. */
+ fsetpos (ent->stream, &pos);
+ *errnop = ERANGE;
+ return NSS_STATUS_TRYAGAIN;
+ }
if (result->sp_namp[0] != '+' && result->sp_namp[0] != '-')
/* This is a real entry. */
@@ -836,12 +487,12 @@ getspent_next_file (struct spwd *result, ent_t *ent,
&& result->sp_namp[2] != '\0')
{
/* XXX Do not use fixed length buffers. */
- char buf2[1024];
+ char buf2[1024];
char *user, *host, *domain;
- struct __netgrent netgrdata;
+ struct __netgrent netgrdata;
- bzero (&netgrdata, sizeof (struct __netgrent));
- __internal_setnetgrent (&result->sp_namp[2], &netgrdata);
+ bzero (&netgrdata, sizeof (struct __netgrent));
+ __internal_setnetgrent (&result->sp_namp[2], &netgrdata);
while (__internal_getnetgrent_r (&host, &user, &domain,
&netgrdata, buf2, sizeof (buf2),
errnop))
@@ -863,14 +514,9 @@ getspent_next_file (struct spwd *result, ent_t *ent,
ent->first = TRUE;
copy_spwd_changes (&ent->pwd, result, NULL, 0);
- if (use_nisplus)
- status = getspent_next_nisplus_netgr (NULL, result, ent,
- &result->sp_namp[2],
- buffer, buflen, errnop);
- else
- status = getspent_next_nis_netgr (NULL, result, ent,
- &result->sp_namp[2],
- buffer, buflen, errnop);
+ status = getspent_next_nss_netgr (NULL, result, ent,
+ &result->sp_namp[2],
+ buffer, buflen, errnop);
if (status == NSS_STATUS_RETURN)
continue;
else
@@ -889,41 +535,38 @@ getspent_next_file (struct spwd *result, ent_t *ent,
if (result->sp_namp[0] == '+' && result->sp_namp[1] != '\0'
&& result->sp_namp[1] != '@')
{
- enum nss_status status;
+ enum nss_status status;
/* Store the User in the blacklist for the "+" at the end of
/etc/passwd */
blacklist_store_name (&result->sp_namp[1], ent);
- status = getspnam_plususer (&result->sp_namp[1], result, buffer,
- buflen, errnop);
- if (status == NSS_STATUS_SUCCESS) /* We found the entry. */
- break;
- else
- if (status == NSS_STATUS_RETURN /* We couldn't parse the entry */
- || status == NSS_STATUS_NOTFOUND) /* entry doesn't exist */
- continue;
- else
- {
- if (status == NSS_STATUS_TRYAGAIN)
- {
- fsetpos (ent->stream, &pos);
- *errnop = ERANGE;
- }
- return status;
- }
+ status = getspnam_plususer (&result->sp_namp[1], result, ent,
+ buffer, buflen, errnop);
+
+ if (status == NSS_STATUS_SUCCESS) /* We found the entry. */
+ break;
+ else if (status == NSS_STATUS_RETURN /* We couldn't parse the entry */
+ || status == NSS_STATUS_NOTFOUND) /* entry doesn't exist */
+ continue;
+ else
+ {
+ if (status == NSS_STATUS_TRYAGAIN)
+ {
+ fsetpos (ent->stream, &pos);
+ *errnop = ERANGE;
+ }
+ return status;
+ }
}
/* +:... */
if (result->sp_namp[0] == '+' && result->sp_namp[1] == '\0')
{
- ent->nis = TRUE;
+ ent->files = FALSE;
ent->first = TRUE;
copy_spwd_changes (&ent->pwd, result, NULL, 0);
- if (use_nisplus)
- return getspent_next_nisplus (result, ent, buffer, buflen, errnop);
- else
- return getspent_next_nis (result, ent, buffer, buflen, errnop);
+ return getspent_next_nss (result, ent, buffer, buflen, errnop);
}
}
@@ -937,57 +580,45 @@ internal_getspent_r (struct spwd *pw, ent_t *ent,
{
if (ent->netgroup)
{
- int status;
+ enum nss_status status;
/* We are searching members in a netgroup */
/* Since this is not the first call, we don't need the group name */
- if (use_nisplus)
- status = getspent_next_nisplus_netgr (NULL, pw, ent, NULL, buffer,
- buflen, errnop);
- else
- status = getspent_next_nis_netgr (NULL, pw, ent, NULL, buffer, buflen,
- errnop);
+ status = getspent_next_nss_netgr (NULL, pw, ent, NULL, buffer,
+ buflen, errnop);
+
if (status == NSS_STATUS_RETURN)
return getspent_next_file (pw, ent, buffer, buflen, errnop);
else
return status;
}
+ else if (ent->files)
+ return getspent_next_file (pw, ent, buffer, buflen, errnop);
else
- if (ent->nis)
- {
- if (use_nisplus)
- return getspent_next_nisplus (pw, ent, buffer, buflen, errnop);
- else
- return getspent_next_nis (pw, ent, buffer, buflen, errnop);
- }
- else
- return getspent_next_file (pw, ent, buffer, buflen, errnop);
+ return getspent_next_nss (pw, ent, buffer, buflen, errnop);
}
enum nss_status
_nss_compat_getspent_r (struct spwd *pwd, char *buffer, size_t buflen,
int *errnop)
{
- enum nss_status status = NSS_STATUS_SUCCESS;
+ enum nss_status result = NSS_STATUS_SUCCESS;
__libc_lock_lock (lock);
+ /* Be prepared that the setpwent function was not called before. */
if (ni == NULL)
- {
- __nss_database_lookup ("shadow_compat", "passwd_compat", "nis", &ni);
- use_nisplus = (strcmp (ni->name, "nisplus") == 0);
- }
+ init_nss_interface ();
- /* Be prepared that the setspent function was not called before. */
if (ext_ent.stream == NULL)
- status = internal_setspent (&ext_ent);
+ result = internal_setspent (&ext_ent, 1);
- if (status == NSS_STATUS_SUCCESS)
- status = internal_getspent_r (pwd, &ext_ent, buffer, buflen, errnop);
+ if (result == NSS_STATUS_SUCCESS)
+ result = internal_getspent_r (pwd, &ext_ent, buffer, buflen, errnop);
__libc_lock_unlock (lock);
- return status;
+ return result;
}
/* Searches in /etc/passwd and the NIS/NIS+ map for a special user */
@@ -1022,9 +653,9 @@ internal_getspnam_r (const char *name, struct spwd *result, ent_t *ent,
while (isspace (*p))
++p;
}
- while (*p == '\0' || *p == '#' || /* Ignore empty and comment lines. */
+ while (*p == '\0' || *p == '#' || /* Ignore empty and comment lines. */
/* Parse the line. If it is invalid, loop to
- get the next line of the file to parse. */
+ get the next line of the file to parse. */
!(parse_res = _nss_files_parse_spent (p, result, data, buflen,
errnop)));
@@ -1046,6 +677,8 @@ internal_getspnam_r (const char *name, struct spwd *result, ent_t *ent,
}
/* -@netgroup */
+ /* If the loaded NSS module does not support this service, add
+ all users from a +@netgroup entry to the blacklist, too. */
if (result->sp_namp[0] == '-' && result->sp_namp[1] == '@'
&& result->sp_namp[2] != '\0')
{
@@ -1080,19 +713,16 @@ internal_getspnam_r (const char *name, struct spwd *result, ent_t *ent,
do
{
- if (use_nisplus)
- status = getspent_next_nisplus_netgr (name, result, ent, buf,
- buffer, buflen, errnop);
- else
- status = getspent_next_nis_netgr (name, result, ent, buf,
- buffer, buflen, errnop);
+ status = getspent_next_nss_netgr (name, result, ent, buf,
+ buffer, buflen, errnop);
if (status == NSS_STATUS_RETURN)
continue;
if (status == NSS_STATUS_SUCCESS
&& strcmp (result->sp_namp, name) == 0)
return NSS_STATUS_SUCCESS;
- } while (status == NSS_STATUS_SUCCESS);
+ }
+ while (status == NSS_STATUS_SUCCESS);
continue;
}
@@ -1114,8 +744,9 @@ internal_getspnam_r (const char *name, struct spwd *result, ent_t *ent,
{
enum nss_status status;
- status = getspnam_plususer (name, result, buffer, buflen,
- errnop);
+ status = getspnam_plususer (name, result, ent,
+ buffer, buflen, errnop);
+
if (status == NSS_STATUS_RETURN)
/* We couldn't parse the entry */
return NSS_STATUS_NOTFOUND;
@@ -1129,8 +760,10 @@ internal_getspnam_r (const char *name, struct spwd *result, ent_t *ent,
{
enum nss_status status;
- status = getspnam_plususer (name, result, buffer, buflen, errnop);
- if (status == NSS_STATUS_RETURN) /* We couldn't parse the entry */
+ status = getspnam_plususer (name, result, ent,
+ buffer, buflen, errnop);
+
+ if (status == NSS_STATUS_RETURN) /* We couldn't parse the entry */
return NSS_STATUS_NOTFOUND;
else
return status;
@@ -1143,28 +776,30 @@ enum nss_status
_nss_compat_getspnam_r (const char *name, struct spwd *pwd,
char *buffer, size_t buflen, int *errnop)
{
- ent_t ent = {0, 0, 0, NULL, 0, NULL, NULL, {NULL, 0, 0},
+ enum nss_status result;
+ ent_t ent = {0, TRUE, 0, NULL, {NULL, 0, 0},
{NULL, NULL, 0, 0, 0, 0, 0, 0, 0}};
- enum nss_status status;
if (name[0] == '-' || name[0] == '+')
return NSS_STATUS_NOTFOUND;
+ __libc_lock_lock (lock);
+
if (ni == NULL)
- {
- __nss_database_lookup ("shadow_compat", "passwd_compat", "nis", &ni);
- use_nisplus = (strcmp (ni->name, "nisplus") == 0);
- }
+ init_nss_interface ();
+
+ __libc_lock_unlock (lock);
- status = internal_setspent (&ent);
- if (status != NSS_STATUS_SUCCESS)
- return status;
+ result = internal_setspent (&ent, 0);
- status = internal_getspnam_r (name, pwd, &ent, buffer, buflen, errnop);
+ if (result != NSS_STATUS_SUCCESS)
+ return result;
+
+ result = internal_getspnam_r (name, pwd, &ent, buffer, buflen, errnop);
internal_endspent (&ent);
- return status;
+ return result;
}
/* Support routines for remembering -@netgroup and -user entries.
@@ -1225,7 +860,7 @@ in_blacklist (const char *name, int namelen, ent_t *ent)
buf[0] = '|';
cp = stpcpy (&buf[1], name);
- *cp++= '|';
+ *cp++ = '|';
*cp = '\0';
return strstr (ent->blacklist.data, buf) != NULL;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-18 15:06:38 +0000