diff options
Diffstat (limited to 'cross/mips64el-unknown-linux-gnu-glibc/glibc-2.15-revert-netlink-cache.patch')
| -rw-r--r-- | cross/mips64el-unknown-linux-gnu-glibc/glibc-2.15-revert-netlink-cache.patch | 680 |
1 files changed, 680 insertions, 0 deletions
diff --git a/cross/mips64el-unknown-linux-gnu-glibc/glibc-2.15-revert-netlink-cache.patch b/cross/mips64el-unknown-linux-gnu-glibc/glibc-2.15-revert-netlink-cache.patch new file mode 100644 index 000000000..87d04c794 --- /dev/null +++ b/cross/mips64el-unknown-linux-gnu-glibc/glibc-2.15-revert-netlink-cache.patch @@ -0,0 +1,680 @@ +diff --git a/include/ifaddrs.h b/include/ifaddrs.h +index e1c6cac..50e4c48 100644 +--- a/include/ifaddrs.h ++++ b/include/ifaddrs.h +@@ -21,13 +21,8 @@ struct in6addrinfo + extern void __check_pf (bool *seen_ipv4, bool *seen_ipv6, + struct in6addrinfo **in6ai, size_t *in6ailen) + attribute_hidden; +-extern void __free_in6ai (struct in6addrinfo *in6ai) attribute_hidden; + extern void __check_native (uint32_t a1_index, int *a1_native, + uint32_t a2_index, int *a2_native) + attribute_hidden; + +-#ifdef IS_IN_nscd +-extern uint32_t __bump_nl_timestamp (void) attribute_hidden; +-#endif +- + #endif /* ifaddrs.h */ +diff --git a/inet/check_pf.c b/inet/check_pf.c +index 0fa34cc..b015432 100644 +--- a/inet/check_pf.c ++++ b/inet/check_pf.c +@@ -1,5 +1,5 @@ + /* Determine protocol families for which interfaces exist. Generic version. +- Copyright (C) 2003, 2006, 2011 Free Software Foundation, Inc. ++ Copyright (C) 2003, 2006 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 +@@ -54,19 +54,3 @@ __check_pf (bool *seen_ipv4, bool *seen_ipv6, + + (void) freeifaddrs (ifa); + } +- +- +-void +-__free_in6ai (struct in6addrinfo *in6ai) +-{ +- /* Nothing to do. */ +-} +- +- +-#ifdef IS_IN_nscd +-uint32_t +-__bump_nl_timestamp (void) +-{ +- return 0; +-} +-#endif +diff --git a/nscd/connections.c b/nscd/connections.c +index c741996..2b5c7ef 100644 +--- a/nscd/connections.c ++++ b/nscd/connections.c +@@ -24,7 +24,6 @@ + #include <errno.h> + #include <fcntl.h> + #include <grp.h> +-#include <ifaddrs.h> + #include <libintl.h> + #include <pthread.h> + #include <pwd.h> +@@ -33,10 +32,6 @@ + #include <stdlib.h> + #include <unistd.h> + #include <arpa/inet.h> +-#ifdef HAVE_NETLINK +-# include <linux/netlink.h> +-# include <linux/rtnetlink.h> +-#endif + #ifdef HAVE_EPOLL + # include <sys/epoll.h> + #endif +@@ -252,11 +247,6 @@ static int sock; + int inotify_fd = -1; + #endif + +-#ifdef HAVE_NETLINK +-/* Descriptor for netlink status updates. */ +-static int nl_status_fd = -1; +-#endif +- + #ifndef __ASSUME_SOCK_CLOEXEC + /* Negative if SOCK_CLOEXEC is not supported, positive if it is, zero + before be know the result. */ +@@ -913,65 +903,6 @@ cannot set socket to close on exec: %s; disabling paranoia mode"), + exit (1); + } + +-#ifdef HAVE_NETLINK +- if (dbs[hstdb].enabled) +- { +- /* Try to open netlink socket to monitor network setting changes. */ +- nl_status_fd = socket (AF_NETLINK, +- SOCK_RAW | SOCK_CLOEXEC | SOCK_NONBLOCK, +- NETLINK_ROUTE); +- if (nl_status_fd != -1) +- { +- struct sockaddr_nl snl; +- memset (&snl, '\0', sizeof (snl)); +- snl.nl_family = AF_NETLINK; +- /* XXX Is this the best set to use? */ +- snl.nl_groups = (RTMGRP_IPV4_IFADDR | RTMGRP_TC | RTMGRP_IPV4_MROUTE +- | RTMGRP_IPV4_ROUTE | RTMGRP_IPV4_RULE +- | RTMGRP_IPV6_IFADDR | RTMGRP_IPV6_MROUTE +- | RTMGRP_IPV6_ROUTE | RTMGRP_IPV6_IFINFO +- | RTMGRP_IPV6_PREFIX); +- +- if (bind (nl_status_fd, (struct sockaddr *) &snl, sizeof (snl)) != 0) +- { +- close (nl_status_fd); +- nl_status_fd = -1; +- } +- else +- { +- /* Start the timestamp process. */ +- dbs[hstdb].head->extra_data[NSCD_HST_IDX_CONF_TIMESTAMP] +- = __bump_nl_timestamp (); +- +-# ifndef __ASSUME_SOCK_CLOEXEC +- if (have_sock_cloexec < 0) +- { +- /* We don't want to get stuck on accept. */ +- int fl = fcntl (nl_status_fd, F_GETFL); +- if (fl == -1 +- || fcntl (nl_status_fd, F_SETFL, fl | O_NONBLOCK) == -1) +- { +- dbg_log (_("\ +-cannot change socket to nonblocking mode: %s"), +- strerror (errno)); +- exit (1); +- } +- +- /* The descriptor needs to be closed on exec. */ +- if (paranoia +- && fcntl (nl_status_fd, F_SETFD, FD_CLOEXEC) == -1) +- { +- dbg_log (_("cannot set socket to close on exec: %s"), +- strerror (errno)); +- exit (1); +- } +- } +-# endif +- } +- } +- } +-#endif +- + /* Change to unprivileged uid/gid/groups if specified in config file */ + if (server_user != NULL) + finish_drop_privileges (); +@@ -1895,18 +1826,6 @@ main_loop_poll (void) + } + #endif + +-#ifdef HAVE_NETLINK +- size_t idx_nl_status_fd = 0; +- if (nl_status_fd != -1) +- { +- idx_nl_status_fd = nused; +- conns[nused].fd = nl_status_fd; +- conns[nused].events = POLLRDNORM; +- ++nused; +- firstfree = nused; +- } +-#endif +- + while (1) + { + /* Wait for any event. We wait at most a couple of seconds so +@@ -2049,20 +1968,6 @@ disabled inotify after read error %d"), + } + #endif + +-#ifdef HAVE_NETLINK +- if (idx_nl_status_fd != 0 && conns[idx_nl_status_fd].revents != 0) +- { +- char buf[4096]; +- /* Read all the data. We do not interpret it here. */ +- while (TEMP_FAILURE_RETRY (read (nl_status_fd, buf, +- sizeof (buf))) != -1) +- ; +- +- dbs[hstdb].head->extra_data[NSCD_HST_IDX_CONF_TIMESTAMP] +- = __bump_nl_timestamp (); +- } +-#endif +- + for (size_t cnt = first; cnt < nused && n > 0; ++cnt) + if (conns[cnt].revents != 0) + { +@@ -2141,17 +2046,6 @@ main_loop_epoll (int efd) + } + # endif + +-# ifdef HAVE_NETLINK +- if (nl_status_fd != -1) +- { +- ev.events = EPOLLRDNORM; +- ev.data.fd = nl_status_fd; +- if (epoll_ctl (efd, EPOLL_CTL_ADD, nl_status_fd, &ev) == -1) +- /* We cannot use epoll. */ +- return; +- } +-# endif +- + while (1) + { + struct epoll_event revs[100]; +@@ -2268,18 +2162,6 @@ main_loop_epoll (int efd) + } + } + # endif +-# ifdef HAVE_NETLINK +- else if (revs[cnt].data.fd == nl_status_fd) +- { +- char buf[4096]; +- /* Read all the data. We do not interpret it here. */ +- while (TEMP_FAILURE_RETRY (read (nl_status_fd, buf, +- sizeof (buf))) != -1) +- ; +- +- __bump_nl_timestamp (); +- } +-# endif + else + { + /* Remove the descriptor from the epoll descriptor. */ +@@ -2303,7 +2185,6 @@ main_loop_epoll (int efd) + time_t laststart = now - ACCEPT_TIMEOUT; + assert (starttime[sock] == 0); + assert (inotify_fd == -1 || starttime[inotify_fd] == 0); +- assert (nl_status_fd == -1 || starttime[nl_status_fd] == 0); + for (int cnt = highest; cnt > STDERR_FILENO; --cnt) + if (starttime[cnt] != 0 && starttime[cnt] < laststart) + { +diff --git a/nscd/nscd-client.h b/nscd/nscd-client.h +index b5cd2d2..caad26a 100644 +--- a/nscd/nscd-client.h ++++ b/nscd/nscd-client.h +@@ -260,17 +260,12 @@ struct hashentry + + + /* Current persistent database version. */ +-#define DB_VERSION 2 ++#define DB_VERSION 1 + + /* Maximum time allowed between updates of the timestamp. */ + #define MAPPING_TIMEOUT (5 * 60) + + +-/* Used indices for the EXTRA_DATA element of 'database_pers_head'. +- Each database has its own indices. */ +-#define NSCD_HST_IDX_CONF_TIMESTAMP 0 +- +- + /* Header of persistent database file. */ + struct database_pers_head + { +@@ -279,8 +274,6 @@ struct database_pers_head + volatile int32_t gc_cycle; + volatile int32_t nscd_certainly_running; + volatile nscd_time_t timestamp; +- /* Room for extensions. */ +- volatile uint32_t extra_data[4]; + + nscd_ssize_t module; + nscd_ssize_t data_size; +@@ -329,12 +322,6 @@ extern int __nscd_open_socket (const char *key, size_t keylen, + request_type type, void *response, + size_t responselen) attribute_hidden; + +-/* Try to get a file descriptor for the shared meory segment +- containing the database. */ +-extern struct mapped_database *__nscd_get_mapping (request_type type, +- const char *key, +- struct mapped_database **mappedp) attribute_hidden; +- + /* Get reference of mapping. */ + extern struct mapped_database *__nscd_get_map_ref (request_type type, + const char *name, +@@ -384,7 +371,4 @@ extern ssize_t writeall (int fd, const void *buf, size_t len) + extern ssize_t sendfileall (int tofd, int fromfd, off_t off, size_t len) + attribute_hidden; + +-/* Get netlink timestamp counter from mapped area or zero. */ +-extern uint32_t __nscd_get_nl_timestamp (void); +- + #endif /* nscd.h */ +diff --git a/nscd/nscd_gethst_r.c b/nscd/nscd_gethst_r.c +index 6ee142d..70631fa 100644 +--- a/nscd/nscd_gethst_r.c ++++ b/nscd/nscd_gethst_r.c +@@ -1,4 +1,4 @@ +-/* Copyright (C) 1998-2005, 2006, 2007, 2008, 2009, 2011 ++/* Copyright (C) 1998-2005, 2006, 2007, 2008, 2009 + Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998. +@@ -98,27 +98,6 @@ libc_freeres_fn (hst_map_free) + } + + +-uint32_t +-__nscd_get_nl_timestamp (void) +-{ +- if (__nss_not_use_nscd_hosts != 0) +- return 0; +- +- struct mapped_database *map = __hst_map_handle.mapped; +- +- if (map == NULL +- || (map != NO_MAPPING +- && map->head->nscd_certainly_running == 0 +- && map->head->timestamp + MAPPING_TIMEOUT < time (NULL))) +- map = __nscd_get_mapping (GETFDHST, "hosts", &__hst_map_handle.mapped); +- +- if (map == NO_MAPPING) +- return 0; +- +- return map->head->extra_data[NSCD_HST_IDX_CONF_TIMESTAMP]; +-} +- +- + int __nss_have_localdomain attribute_hidden; + + static int +diff --git a/nscd/nscd_helper.c b/nscd/nscd_helper.c +index 365b599..fe63f9a 100644 +--- a/nscd/nscd_helper.c ++++ b/nscd/nscd_helper.c +@@ -277,9 +277,9 @@ __nscd_unmap (struct mapped_database *mapped) + + /* Try to get a file descriptor for the shared meory segment + containing the database. */ +-struct mapped_database * +-__nscd_get_mapping (request_type type, const char *key, +- struct mapped_database **mappedp) ++static struct mapped_database * ++get_mapping (request_type type, const char *key, ++ struct mapped_database **mappedp) + { + struct mapped_database *result = NO_MAPPING; + #ifdef SCM_RIGHTS +@@ -449,8 +449,8 @@ __nscd_get_map_ref (request_type type, const char *name, + || (cur->head->nscd_certainly_running == 0 + && cur->head->timestamp + MAPPING_TIMEOUT < time (NULL)) + || cur->head->data_size > cur->datasize) +- cur = __nscd_get_mapping (type, name, +- (struct mapped_database **) &mapptr->mapped); ++ cur = get_mapping (type, name, ++ (struct mapped_database **) &mapptr->mapped); + + if (__builtin_expect (cur != NO_MAPPING, 1)) + { +diff --git a/sysdeps/posix/getaddrinfo.c b/sysdeps/posix/getaddrinfo.c +index 1a023f9..4979805 100644 +--- a/sysdeps/posix/getaddrinfo.c ++++ b/sysdeps/posix/getaddrinfo.c +@@ -2386,7 +2386,7 @@ getaddrinfo (const char *name, const char *service, + || (hints->ai_family == PF_INET6 && ! seen_ipv6)) + { + /* We cannot possibly return a valid answer. */ +- __free_in6ai (in6ai); ++ free (in6ai); + return EAI_NONAME; + } + } +@@ -2400,7 +2400,7 @@ getaddrinfo (const char *name, const char *service, + { + if (hints->ai_flags & AI_NUMERICSERV) + { +- __free_in6ai (in6ai); ++ free (in6ai); + return EAI_NONAME; + } + +@@ -2422,7 +2422,7 @@ getaddrinfo (const char *name, const char *service, + if (last_i != 0) + { + freeaddrinfo (p); +- __free_in6ai (in6ai); ++ free (in6ai); + + return -(last_i & GAIH_EAI); + } +@@ -2434,7 +2434,7 @@ getaddrinfo (const char *name, const char *service, + } + else + { +- __free_in6ai (in6ai); ++ free (in6ai); + return EAI_FAMILY; + } + +@@ -2622,7 +2622,7 @@ getaddrinfo (const char *name, const char *service, + p->ai_canonname = canonname; + } + +- __free_in6ai (in6ai); ++ free (in6ai); + + if (p) + { +diff --git a/sysdeps/unix/sysv/linux/Makefile b/sysdeps/unix/sysv/linux/Makefile +index e684b16..c907af4 100644 +--- a/sysdeps/unix/sysv/linux/Makefile ++++ b/sysdeps/unix/sysv/linux/Makefile +@@ -173,6 +173,6 @@ CFLAGS-mq_receive.c += -fexceptions + endif + + ifeq ($(subdir),nscd) +-sysdep-CFLAGS += -DHAVE_EPOLL -DHAVE_SENDFILE -DHAVE_INOTIFY -DHAVE_NETLINK ++sysdep-CFLAGS += -DHAVE_EPOLL -DHAVE_SENDFILE -DHAVE_INOTIFY + CFLAGS-gai.c += -DNEED_NETLINK + endif +diff --git a/sysdeps/unix/sysv/linux/check_pf.c b/sysdeps/unix/sysv/linux/check_pf.c +index 0738a70..d5ad7ea 100644 +--- a/sysdeps/unix/sysv/linux/check_pf.c ++++ b/sysdeps/unix/sysv/linux/check_pf.c +@@ -1,5 +1,5 @@ + /* Determine protocol families for which interfaces exist. Linux version. +- Copyright (C) 2003, 2006-2008, 2010, 2011 Free Software Foundation, Inc. ++ Copyright (C) 2003, 2006, 2007, 2008, 2010, 2011 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 +@@ -33,9 +33,6 @@ + + #include <not-cancel.h> + #include <kernel-features.h> +-#include <bits/libc-lock.h> +-#include <atomic.h> +-#include <nscd/nscd-client.h> + + + #ifndef IFA_F_HOMEADDRESS +@@ -46,42 +43,9 @@ + #endif + + +-struct cached_data +-{ +- uint32_t timestamp; +- uint32_t usecnt; +- bool seen_ipv4; +- bool seen_ipv6; +- size_t in6ailen; +- struct in6addrinfo in6ai[0]; +-}; +- +-static struct cached_data noai6ai_cached = +- { +- .usecnt = 1, /* Make sure we never try to delete this entry. */ +- .in6ailen = 0 +- }; +- +-static struct cached_data *cache; +-__libc_lock_define_initialized (static, lock); +- +- +-#ifdef IS_IN_nscd +-static uint32_t nl_timestamp; +- +-uint32_t +-__bump_nl_timestamp (void) +-{ +- if (atomic_increment_val (&nl_timestamp) == 0) +- atomic_increment (&nl_timestamp); +- +- return nl_timestamp; +-} +-#endif +- +- +-static struct cached_data * +-make_request (int fd, pid_t pid) ++static int ++make_request (int fd, pid_t pid, bool *seen_ipv4, bool *seen_ipv6, ++ struct in6addrinfo **in6ai, size_t *in6ailen) + { + struct req + { +@@ -135,6 +99,9 @@ make_request (int fd, pid_t pid) + sizeof (nladdr))) < 0) + goto out_fail; + ++ *seen_ipv4 = false; ++ *seen_ipv6 = false; ++ + bool done = false; + struct in6ailist + { +@@ -142,8 +109,6 @@ make_request (int fd, pid_t pid) + struct in6ailist *next; + } *in6ailist = NULL; + size_t in6ailistlen = 0; +- bool seen_ipv4 = false; +- bool seen_ipv6 = false; + + do + { +@@ -207,12 +172,12 @@ make_request (int fd, pid_t pid) + { + if (*(const in_addr_t *) address + != htonl (INADDR_LOOPBACK)) +- seen_ipv4 = true; ++ *seen_ipv4 = true; + } + else + { + if (!IN6_IS_ADDR_LOOPBACK (address)) +- seen_ipv6 = true; ++ *seen_ipv6 = true; + } + } + +@@ -246,47 +211,30 @@ make_request (int fd, pid_t pid) + } + while (! done); + +- struct cached_data *result; +- if (seen_ipv6 && in6ailist != NULL) ++ if (*seen_ipv6 && in6ailist != NULL) + { +- result = malloc (sizeof (*result) +- + in6ailistlen * sizeof (struct in6addrinfo)); +- if (result == NULL) ++ *in6ai = malloc (in6ailistlen * sizeof (**in6ai)); ++ if (*in6ai == NULL) + goto out_fail; + +-#ifdef IS_IN_nscd +- result->timestamp = nl_timestamp; +-#else +- result->timestamp = __nscd_get_nl_timestamp (); +-#endif +- result->usecnt = 2; +- result->seen_ipv4 = seen_ipv4; +- result->seen_ipv6 = true; +- result->in6ailen = in6ailistlen; ++ *in6ailen = in6ailistlen; + + do + { +- result->in6ai[--in6ailistlen] = in6ailist->info; ++ (*in6ai)[--in6ailistlen] = in6ailist->info; + in6ailist = in6ailist->next; + } + while (in6ailist != NULL); + } +- else +- { +- atomic_add (&noai6ai_cached.usecnt, 2); +- noai6ai_cached.seen_ipv4 = seen_ipv4; +- noai6ai_cached.seen_ipv6 = seen_ipv6; +- result = &noai6ai_cached; +- } + + if (use_malloc) + free (buf); +- return result; ++ return 0; + + out_fail: + if (use_malloc) + free (buf); +- return NULL; ++ return -1; + } + + +@@ -310,65 +258,28 @@ __check_pf (bool *seen_ipv4, bool *seen_ipv6, + + if (! __no_netlink_support) + { +- struct cached_data *olddata = NULL; +- struct cached_data *data = NULL; ++ int fd = __socket (PF_NETLINK, SOCK_RAW, NETLINK_ROUTE); + +- __libc_lock_lock (lock); +- +-#ifdef IS_IN_nscd +-# define cache_valid() nl_timestamp != 0 && cache->timestamp == nl_timestamp +-#else +-# define cache_valid() \ +- ({ uint32_t val = __nscd_get_nl_timestamp (); \ +- val != 0 && cache->timestamp == val; }) +-#endif +- if (cache != NULL && cache_valid ()) +- { +- data = cache; +- atomic_increment (&cache->usecnt); +- } +- else ++ if (__builtin_expect (fd >= 0, 1)) + { +- int fd = __socket (PF_NETLINK, SOCK_RAW, NETLINK_ROUTE); ++ struct sockaddr_nl nladdr; ++ memset (&nladdr, '\0', sizeof (nladdr)); ++ nladdr.nl_family = AF_NETLINK; + +- if (__builtin_expect (fd >= 0, 1)) +- { +- struct sockaddr_nl nladdr; +- memset (&nladdr, '\0', sizeof (nladdr)); +- nladdr.nl_family = AF_NETLINK; +- +- socklen_t addr_len = sizeof (nladdr); +- +- if(__bind (fd, (struct sockaddr *) &nladdr, sizeof (nladdr)) == 0 +- && __getsockname (fd, (struct sockaddr *) &nladdr, +- &addr_len) == 0) +- data = make_request (fd, nladdr.nl_pid); +- +- close_not_cancel_no_status (fd); +- } +- +- if (data != NULL) +- { +- olddata = cache; +- cache = data; +- } +- } ++ socklen_t addr_len = sizeof (nladdr); + +- __libc_lock_unlock (lock); ++ bool success ++ = (__bind (fd, (struct sockaddr *) &nladdr, sizeof (nladdr)) == 0 ++ && __getsockname (fd, (struct sockaddr *) &nladdr, ++ &addr_len) == 0 ++ && make_request (fd, nladdr.nl_pid, seen_ipv4, seen_ipv6, ++ in6ai, in6ailen) == 0); + +- if (data != NULL) +- { +- /* It worked. */ +- *seen_ipv4 = data->seen_ipv4; +- *seen_ipv6 = data->seen_ipv6; +- *in6ailen = data->in6ailen; +- *in6ai = data->in6ai; +- +- if (olddata != NULL && olddata->usecnt > 0 +- && atomic_add_zero (&olddata->usecnt, -1)) +- free (olddata); ++ close_not_cancel_no_status (fd); + +- return; ++ if (success) ++ /* It worked. */ ++ return; + } + + #if __ASSUME_NETLINK_SUPPORT == 0 +@@ -407,26 +318,3 @@ __check_pf (bool *seen_ipv4, bool *seen_ipv6, + (void) freeifaddrs (ifa); + #endif + } +- +- +-void +-__free_in6ai (struct in6addrinfo *ai) +-{ +- if (ai != NULL) +- { +- struct cached_data *data = +- (struct cached_data *) ((char *) ai +- - offsetof (struct cached_data, in6ai)); +- +- if (atomic_add_zero (&data->usecnt, -1)) +- { +- __libc_lock_lock (lock); +- +- if (data->usecnt == 0) +- /* Still unused. */ +- free (data); +- +- __libc_lock_unlock (lock); +- } +- } +-} |