diff options
| -rw-r--r-- | ChangeLog | 35 | ||||
| -rw-r--r-- | inet/getnetgrent_r.c | 125 | ||||
| -rw-r--r-- | nis/nss_nis/nis-netgrp.c | 16 | ||||
| -rw-r--r-- | nis/nss_nisplus/nisplus-netgrp.c | 15 | ||||
| -rw-r--r-- | nss/getent.c | 21 | ||||
| -rw-r--r-- | nss/nss_files/files-netgrp.c | 24 |
6 files changed, 136 insertions, 100 deletions
@@ -1,5 +1,40 @@ 2005-09-09 Jakub Jelinek <jakub@redhat.com> + * inet/getnetgrent_r.c: Include assert. + (setup): Remove FUNC_NAME and ALL arguments, assume they are always + "setnetgrent" and 1. + (endnetgrent_hook): New function. + (internal_endnetgrent): Use it. + (__internal_setnetgrent_reuse): Use it. Adjust setup caller. + If status is NSS_STATUS_SUCCESS, yet action is continue, call + endnetgrent hook. + (internal_getnetgrent_r): Use __nss_lookup_function rather than + setup. Recompute getfct pointer after successful + __internal_setnetgrent_reuse. Don't use __nss_next. + (innetgr): Use __nss_lookup_function instead of __nss_lookup. + Adjust setup caller. + * nss/nss_files/files-netgrp.c (_nss_files_endnetgrent): Always clear + data_size and cursor. Add libnss_files_hidden_proto and + libnss_files_hidden_def. + (_nss_files_setnetgrent): Call _nss_files_endnetgrent on failure. + * nis/nss_nis/nis-netgrp.c (internal_endnetgrent): Always clear + data_size and cursor. + (_nss_nis_setnetgrent): Don't call internal_endnetgrent. + (_nss_nis_getnetgrent_r): Remove result->cursor == NULL handling. + * nis/nss_nisplus/nisplus-netgrp.c (internal_endnetgrent): Always clear + data_size and position. + (_nss_nisplus_setnetgrent): Don't call internal_endnetgrent. + +2005-09-09 Ulrich Drepper <drepper@redhat.com> + + * nss/getent.c (netgroup_keys): Call endnetgrent. + (main): Call mtrace. + + * nss/nss_files/files-netgrp.c (_nss_files_setnetgrent): We don't + need locking for the stream. Use feof_unlocked. + +2005-09-09 Jakub Jelinek <jakub@redhat.com> + [BZ #1318] * locale/loadarchive.c (_nl_load_locale_from_archive): Free normalized_codeset even if p was already normalized. diff --git a/inet/getnetgrent_r.c b/inet/getnetgrent_r.c index 640210a..4dbccd9 100644 --- a/inet/getnetgrent_r.c +++ b/inet/getnetgrent_r.c @@ -1,4 +1,5 @@ -/* Copyright (C) 1996,1997,1998,1999,2002,2004 Free Software Foundation, Inc. +/* Copyright (C) 1996, 1997, 1998, 1999, 2002, 2004, 2005 + Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -16,6 +17,7 @@ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ +#include <assert.h> #include <bits/libc-lock.h> #include <errno.h> #include <netdb.h> @@ -33,15 +35,13 @@ __libc_lock_define_initialized (static, lock) static struct __netgrent dataset; /* The lookup function for the first entry of this service. */ -extern int __nss_netgroup_lookup (service_user **nip, const char *name, +extern int __nss_netgroup_lookup (service_user **nipp, const char *name, void **fctp) internal_function; - -/* Set up NIP to run through the services. If ALL is zero, use NIP's - current location if it's not nil. Return nonzero if there are no +/* Set up NIP to run through the services. Return nonzero if there are no services (left). */ -static enum nss_status -setup (void **fctp, const char *func_name, int all, service_user **nipp) +static int +setup (void **fctp, service_user **nipp) { /* Remember the first service_entry, it's always the same. */ static service_user *startp; @@ -51,7 +51,7 @@ setup (void **fctp, const char *func_name, int all, service_user **nipp) { /* Executing this more than once at the same time must yield the same result every time. So we need no locking. */ - no_more = __nss_netgroup_lookup (nipp, func_name, fctp); + no_more = __nss_netgroup_lookup (nipp, "setnetgrent", fctp); startp = no_more ? (service_user *) -1 : *nipp; } else if (startp == (service_user *) -1) @@ -59,11 +59,10 @@ setup (void **fctp, const char *func_name, int all, service_user **nipp) return 1; else { - if (all || *nipp == NULL) - /* Reset to the beginning of the service list. */ - *nipp = startp; + /* Reset to the beginning of the service list. */ + *nipp = startp; /* Look up the first function. */ - no_more = __nss_lookup (nipp, func_name, fctp); + no_more = __nss_lookup (nipp, "setnetgrent", fctp); } return no_more; } @@ -87,6 +86,20 @@ free_memory (struct __netgrent *data) } } +static void +endnetgrent_hook (struct __netgrent *datap) +{ + enum nss_status (*endfct) (struct __netgrent *); + + if (datap->nip == NULL) + return; + + endfct = __nss_lookup_function (datap->nip, "endnetgrent"); + if (endfct != NULL) + (void) (*endfct) (datap); + datap->nip = NULL; +} + static int internal_function __internal_setnetgrent_reuse (const char *group, struct __netgrent *datap, @@ -100,14 +113,29 @@ __internal_setnetgrent_reuse (const char *group, struct __netgrent *datap, enum nss_status status = NSS_STATUS_UNAVAIL; struct name_list *new_elem; + /* Free data from previous service. */ + endnetgrent_hook (datap); + /* Cycle through all the services and run their setnetgrent functions. */ - int no_more = setup (&fct.ptr, "setnetgrent", 1, &datap->nip); + int no_more = setup (&fct.ptr, &datap->nip); while (! no_more) { + assert (datap->data == NULL); + /* Ignore status, we force check in `__nss_next'. */ status = (*fct.f) (group, datap); + service_user *old_nip = datap->nip; no_more = __nss_next (&datap->nip, "setnetgrent", &fct.ptr, status, 0); + + if (status == NSS_STATUS_SUCCESS && ! no_more) + { + enum nss_status (*endfct) (struct __netgrent *); + + endfct = __nss_lookup_function (old_nip, "endnetgrent"); + if (endfct != NULL) + (void) (*endfct) (datap); + } } /* Add the current group to the list of known groups. */ @@ -157,34 +185,13 @@ setnetgrent (const char *group) return result; } - void internal_endnetgrent (struct __netgrent *datap); libc_hidden_proto (internal_endnetgrent) void internal_endnetgrent (struct __netgrent *datap) { - service_user *old_nip; - union - { - enum nss_status (*f) (struct __netgrent *); - void *ptr; - } fct; - - /* Remember which was the last used service. */ - old_nip = datap->nip; - - /* Cycle through all the services and run their endnetgrent functions. */ - int no_more = setup (&fct.ptr, "endnetgrent", 1, &datap->nip); - while (! no_more) - { - /* Ignore status, we force check in `__nss_next'. */ - (void) (*fct.f) (datap); - - no_more = (datap->nip == old_nip - || __nss_next (&datap->nip, "endnetgrent", &fct.ptr, 0, 1)); - } - + endnetgrent_hook (datap); /* Now free list of all netgroup names from last run. */ free_memory (datap); } @@ -213,11 +220,7 @@ internal_getnetgrent_r (char **hostp, char **userp, char **domainp, struct __netgrent *datap, char *buffer, size_t buflen, int *errnop) { - union - { - enum nss_status (*f) (struct __netgrent *, char *, size_t, int *); - void *ptr; - } fct; + enum nss_status (*fct) (struct __netgrent *, char *, size_t, int *); /* Initialize status to return if no more functions are found. */ enum nss_status status = NSS_STATUS_NOTFOUND; @@ -225,10 +228,12 @@ internal_getnetgrent_r (char **hostp, char **userp, char **domainp, /* Run through available functions, starting with the same function last run. We will repeat each function as long as it succeeds, and then go on to the next service action. */ - int no_more = setup (&fct.ptr, "getnetgrent_r", 0, &datap->nip); + int no_more = (datap->nip == NULL + || (fct = __nss_lookup_function (datap->nip, "getnetgrent_r")) + == NULL); while (! no_more) { - status = (*fct.f) (datap, buffer, buflen, &errno); + status = (*fct) (datap, buffer, buflen, &errno); if (status == NSS_STATUS_RETURN) { @@ -246,8 +251,12 @@ internal_getnetgrent_r (char **hostp, char **userp, char **domainp, datap, errnop); } - if (found) - continue; + if (found && datap->nip != NULL) + { + fct = __nss_lookup_function (datap->nip, "getnetgrent_r"); + if (fct != NULL) + continue; + } } else if (status == NSS_STATUS_SUCCESS && datap->type == group_val) { @@ -279,7 +288,7 @@ internal_getnetgrent_r (char **hostp, char **userp, char **domainp, } } - no_more = __nss_next (&datap->nip, "getnetgrent_r", &fct.ptr, status, 0); + break; } if (status == NSS_STATUS_SUCCESS) @@ -322,16 +331,8 @@ innetgr (const char *netgroup, const char *host, const char *user, int (*f) (const char *, struct __netgrent *); void *ptr; } setfct; - union - { - void (*f) (struct __netgrent *); - void *ptr; - } endfct; - union - { - int (*f) (struct __netgrent *, char *, size_t, int *); - void *ptr; - } getfct; + void (*endfct) (struct __netgrent *); + int (*getfct) (struct __netgrent *, char *, size_t, int *); struct __netgrent entry; int result = 0; const char *current_group = netgroup; @@ -345,18 +346,21 @@ innetgr (const char *netgroup, const char *host, const char *user, the work during one walk through the service list. */ while (1) { - int no_more = setup (&setfct.ptr, "setnetgrent", 1, &entry.nip); + int no_more = setup (&setfct.ptr, &entry.nip); while (! no_more) { + assert (entry.data == NULL); + /* Open netgroup. */ enum nss_status status = (*setfct.f) (current_group, &entry); if (status == NSS_STATUS_SUCCESS - && __nss_lookup (&entry.nip, "getnetgrent_r", &getfct.ptr) == 0) + && (getfct = __nss_lookup_function (entry.nip, "getnetgrent_r")) + != NULL) { char buffer[1024]; - while ((*getfct.f) (&entry, buffer, sizeof buffer, &errno) + while ((*getfct) (&entry, buffer, sizeof buffer, &errno) == NSS_STATUS_SUCCESS) { if (entry.type == group_val) @@ -414,8 +418,9 @@ innetgr (const char *netgroup, const char *host, const char *user, } /* Free all resources of the service. */ - if (__nss_lookup (&entry.nip, "endnetgrent", &endfct.ptr) == 0) - (*endfct.f) (&entry); + endfct = __nss_lookup_function (entry.nip, "endnetgrent"); + if (endfct != NULL) + (*endfct) (&entry); /* Look for the next service. */ no_more = __nss_next (&entry.nip, "setnetgrent", diff --git a/nis/nss_nis/nis-netgrp.c b/nis/nss_nis/nis-netgrp.c index 7bd6527..049bd8c 100644 --- a/nis/nss_nis/nis-netgrp.c +++ b/nis/nss_nis/nis-netgrp.c @@ -41,13 +41,10 @@ _nss_netgroup_parseline (char **cursor, struct __netgrent *netgrp, static void internal_nis_endnetgrent (struct __netgrent *netgrp) { - if (netgrp->data != NULL) - { - free (netgrp->data); - netgrp->data = NULL; - netgrp->data_size = 0; - netgrp->cursor = NULL; - } + free (netgrp->data); + netgrp->data = NULL; + netgrp->data_size = 0; + netgrp->cursor = NULL; } enum nss_status @@ -65,8 +62,6 @@ _nss_nis_setnetgrent (const char *group, struct __netgrent *netgrp) if (yp_get_default_domain (&domain)) return NSS_STATUS_UNAVAIL; - internal_nis_endnetgrent (netgrp); - status = yperr2nss (yp_match (domain, "netgroup", group, strlen (group), &netgrp->data, &len)); if (status == NSS_STATUS_SUCCESS) @@ -99,9 +94,6 @@ enum nss_status _nss_nis_getnetgrent_r (struct __netgrent *result, char *buffer, size_t buflen, int *errnop) { - if (result->cursor == NULL) - return NSS_STATUS_NOTFOUND; - return _nss_netgroup_parseline (&result->cursor, result, buffer, buflen, errnop); } diff --git a/nis/nss_nisplus/nisplus-netgrp.c b/nis/nss_nisplus/nisplus-netgrp.c index 607bc2c..344d65f 100644 --- a/nis/nss_nisplus/nisplus-netgrp.c +++ b/nis/nss_nisplus/nisplus-netgrp.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1997, 2003, 2004 Free Software Foundation, Inc. +/* Copyright (C) 1997, 2003, 2004, 2005 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997. @@ -141,13 +141,10 @@ _nss_nisplus_getnetgrent_r (struct __netgrent *result, char *buffer, static void internal_endnetgrent (struct __netgrent *netgrp) { - if (netgrp->data != NULL) - { - nis_freeresult ((nis_result *) netgrp->data); - netgrp->data = NULL; - netgrp->data_size = 0; - netgrp->position = 0; - } + nis_freeresult ((nis_result *) netgrp->data); + netgrp->data = NULL; + netgrp->data_size = 0; + netgrp->position = 0; } enum nss_status @@ -161,8 +158,6 @@ _nss_nisplus_setnetgrent (const char *group, struct __netgrent *netgrp) status = NSS_STATUS_SUCCESS; - internal_endnetgrent (netgrp); - sprintf (buf, "[name=%s],netgroup.org_dir", group); netgrp->data = (char *) nis_list (buf, EXPAND_NAME, NULL, NULL); diff --git a/nss/getent.c b/nss/getent.c index 7124e63..02bba39 100644 --- a/nss/getent.c +++ b/nss/getent.c @@ -21,22 +21,23 @@ #include <aliases.h> #include <argp.h> -#include <grp.h> -#include <pwd.h> -#include <shadow.h> #include <ctype.h> #include <error.h> +#include <grp.h> #include <libintl.h> #include <locale.h> +#include <mcheck.h> #include <netdb.h> +#include <pwd.h> +#include <shadow.h> #include <stdio.h> #include <stdlib.h> #include <string.h> -#include <sys/socket.h> -#include <netinet/in.h> -#include <netinet/ether.h> #include <arpa/inet.h> #include <arpa/nameser.h> +#include <netinet/ether.h> +#include <netinet/in.h> +#include <sys/socket.h> /* Get libc version number. */ #include <version.h> @@ -410,6 +411,8 @@ netgroup_keys (int number, char *key[]) } } + endnetgrent (); + return result; } @@ -838,7 +841,8 @@ more_help (int key, const char *text, void *input) int main (int argc, char *argv[]) { - int remaining, i; + /* Debugging support. */ + mtrace (); /* Set locale via LC_ALL. */ setlocale (LC_ALL, ""); @@ -846,6 +850,7 @@ main (int argc, char *argv[]) textdomain (PACKAGE); /* Parse and process arguments. */ + int remaining; argp_parse (&argp, argc, argv, 0, &remaining, NULL); if ((argc - remaining) < 1) @@ -855,7 +860,7 @@ main (int argc, char *argv[]) return 1; } - for (i = 0; databases[i].name; ++i) + for (int i = 0; databases[i].name; ++i) if (argv[remaining][0] == databases[i].name[0] && !strcmp (argv[remaining], databases[i].name)) return databases[i].func (argc - remaining - 1, &argv[remaining + 1]); diff --git a/nss/nss_files/files-netgrp.c b/nss/nss_files/files-netgrp.c index 8bdc68b..45f3b8a 100644 --- a/nss/nss_files/files-netgrp.c +++ b/nss/nss_files/files-netgrp.c @@ -1,5 +1,5 @@ /* Netgroup file parser in nss_files modules. - Copyright (C) 1996, 1997, 2000, 2004 Free Software Foundation, Inc. + Copyright (C) 1996, 1997, 2000, 2004, 2005 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996. @@ -22,6 +22,7 @@ #include <errno.h> #include <netdb.h> #include <stdio.h> +#include <stdio_ext.h> #include <stdlib.h> #include <string.h> #include "nsswitch.h" @@ -29,6 +30,7 @@ #define DATAFILE "/etc/netgroup" +libnss_files_hidden_proto (_nss_files_endnetgrent) #define EXPAND(needed) \ do \ @@ -75,7 +77,9 @@ _nss_files_setnetgrent (const char *group, struct __netgrent *result) status = NSS_STATUS_NOTFOUND; result->cursor = result->data; - while (!feof (fp)) + __fsetlocking (fp, FSETLOCKING_BYCALLER); + + while (!feof_unlocked (fp)) { ssize_t curlen = getline (&line, &line_len, fp); int found; @@ -140,6 +144,9 @@ _nss_files_setnetgrent (const char *group, struct __netgrent *result) /* We don't need the file and the line buffer anymore. */ free (line); fclose (fp); + + if (status != NSS_STATUS_SUCCESS) + _nss_files_endnetgrent (result); } return status; @@ -150,16 +157,13 @@ int _nss_files_endnetgrent (struct __netgrent *result) { /* Free allocated memory for data if some is present. */ - if (result->data != NULL) - { - free (result->data); - result->data = NULL; - result->data_size = 0; - result->cursor = NULL; - } - + free (result->data); + result->data = NULL; + result->data_size = 0; + result->cursor = NULL; return NSS_STATUS_SUCCESS; } +libnss_files_hidden_def (_nss_files_endnetgrent) static char * strip_whitespace (char *str) |