sysctl: Warn about all uses of sys_sysctl.
[linux-2.6.git] / kernel / sysctl_binary.c
1 #include <linux/stat.h>
2 #include <linux/sysctl.h>
3 #include "../fs/xfs/linux-2.6/xfs_sysctl.h"
4 #include <linux/sunrpc/debug.h>
5 #include <linux/string.h>
6 #include <net/ip_vs.h>
7 #include <linux/syscalls.h>
8 #include <linux/namei.h>
9 #include <linux/mount.h>
10 #include <linux/fs.h>
11 #include <linux/nsproxy.h>
12 #include <linux/pid_namespace.h>
13 #include <linux/file.h>
14 #include <linux/ctype.h>
15
16 #ifdef CONFIG_SYSCTL_SYSCALL
17
18 struct bin_table;
19 typedef ssize_t bin_convert_t(struct file *file,
20         void __user *oldval, size_t oldlen, void __user *newval, size_t newlen);
21
22 static bin_convert_t bin_dir;
23 static bin_convert_t bin_string;
24 static bin_convert_t bin_intvec;
25 static bin_convert_t bin_ulongvec;
26 static bin_convert_t bin_uuid;
27 static bin_convert_t bin_dn_node_address;
28
29 #define CTL_DIR   bin_dir
30 #define CTL_STR   bin_string
31 #define CTL_INT   bin_intvec
32 #define CTL_ULONG bin_ulongvec
33 #define CTL_UUID  bin_uuid
34 #define CTL_DNADR bin_dn_node_address
35
36 #define BUFSZ 256
37
38 struct bin_table {
39         bin_convert_t           *convert;
40         int                     ctl_name;
41         const char              *procname;
42         const struct bin_table  *child;
43 };
44
45 static const struct bin_table bin_random_table[] = {
46         { CTL_INT,      RANDOM_POOLSIZE,        "poolsize" },
47         { CTL_INT,      RANDOM_ENTROPY_COUNT,   "entropy_avail" },
48         { CTL_INT,      RANDOM_READ_THRESH,     "read_wakeup_threshold" },
49         { CTL_INT,      RANDOM_WRITE_THRESH,    "write_wakeup_threshold" },
50         { CTL_UUID,     RANDOM_BOOT_ID,         "boot_id" },
51         { CTL_UUID,     RANDOM_UUID,            "uuid" },
52         {}
53 };
54
55 static const struct bin_table bin_pty_table[] = {
56         { CTL_INT,      PTY_MAX,        "max" },
57         { CTL_INT,      PTY_NR,         "nr" },
58         {}
59 };
60
61 static const struct bin_table bin_kern_table[] = {
62         { CTL_STR,      KERN_OSTYPE,                    "ostype" },
63         { CTL_STR,      KERN_OSRELEASE,                 "osrelease" },
64         /* KERN_OSREV not used */
65         { CTL_STR,      KERN_VERSION,                   "version" },
66         /* KERN_SECUREMASK not used */
67         /* KERN_PROF not used */
68         { CTL_STR,      KERN_NODENAME,                  "hostname" },
69         { CTL_STR,      KERN_DOMAINNAME,                "domainname" },
70
71         { CTL_INT,      KERN_PANIC,                     "panic" },
72         { CTL_INT,      KERN_REALROOTDEV,               "real-root-dev" },
73
74         { CTL_STR,      KERN_SPARC_REBOOT,              "reboot-cmd" },
75         { CTL_INT,      KERN_CTLALTDEL,                 "ctrl-alt-del" },
76         { CTL_INT,      KERN_PRINTK,                    "printk" },
77
78         /* KERN_NAMETRANS not used */
79         /* KERN_PPC_HTABRECLAIM not used */
80         /* KERN_PPC_ZEROPAGED not used */
81         { CTL_INT,      KERN_PPC_POWERSAVE_NAP,         "powersave-nap" },
82
83         { CTL_STR,      KERN_MODPROBE,                  "modprobe" },
84         { CTL_INT,      KERN_SG_BIG_BUFF,               "sg-big-buff" },
85         { CTL_INT,      KERN_ACCT,                      "acct" },
86         /* KERN_PPC_L2CR "l2cr" no longer used */
87
88         /* KERN_RTSIGNR not used */
89         /* KERN_RTSIGMAX not used */
90
91         { CTL_ULONG,    KERN_SHMMAX,                    "shmmax" },
92         { CTL_INT,      KERN_MSGMAX,                    "msgmax" },
93         { CTL_INT,      KERN_MSGMNB,                    "msgmnb" },
94         /* KERN_MSGPOOL not used*/
95         { CTL_INT,      KERN_SYSRQ,                     "sysrq" },
96         { CTL_INT,      KERN_MAX_THREADS,               "threads-max" },
97         { CTL_DIR,      KERN_RANDOM,                    "random",       bin_random_table },
98         { CTL_ULONG,    KERN_SHMALL,                    "shmall" },
99         { CTL_INT,      KERN_MSGMNI,                    "msgmni" },
100         { CTL_INT,      KERN_SEM,                       "sem" },
101         { CTL_INT,      KERN_SPARC_STOP_A,              "stop-a" },
102         { CTL_INT,      KERN_SHMMNI,                    "shmmni" },
103
104         { CTL_INT,      KERN_OVERFLOWUID,               "overflowuid" },
105         { CTL_INT,      KERN_OVERFLOWGID,               "overflowgid" },
106
107         { CTL_STR,      KERN_HOTPLUG,                   "hotplug", },
108         { CTL_INT,      KERN_IEEE_EMULATION_WARNINGS,   "ieee_emulation_warnings" },
109
110         { CTL_INT,      KERN_S390_USER_DEBUG_LOGGING,   "userprocess_debug" },
111         { CTL_INT,      KERN_CORE_USES_PID,             "core_uses_pid" },
112         /* KERN_TAINTED "tainted" no longer used */
113         { CTL_INT,      KERN_CADPID,                    "cad_pid" },
114         { CTL_INT,      KERN_PIDMAX,                    "pid_max" },
115         { CTL_STR,      KERN_CORE_PATTERN,              "core_pattern" },
116         { CTL_INT,      KERN_PANIC_ON_OOPS,             "panic_on_oops" },
117         { CTL_INT,      KERN_HPPA_PWRSW,                "soft-power" },
118         { CTL_INT,      KERN_HPPA_UNALIGNED,            "unaligned-trap" },
119
120         { CTL_INT,      KERN_PRINTK_RATELIMIT,          "printk_ratelimit" },
121         { CTL_INT,      KERN_PRINTK_RATELIMIT_BURST,    "printk_ratelimit_burst" },
122
123         { CTL_DIR,      KERN_PTY,                       "pty",          bin_pty_table },
124         { CTL_INT,      KERN_NGROUPS_MAX,               "ngroups_max" },
125         { CTL_INT,      KERN_SPARC_SCONS_PWROFF,        "scons-poweroff" },
126         /* KERN_HZ_TIMER "hz_timer" no longer used */
127         { CTL_INT,      KERN_UNKNOWN_NMI_PANIC,         "unknown_nmi_panic" },
128         { CTL_INT,      KERN_BOOTLOADER_TYPE,           "bootloader_type" },
129         { CTL_INT,      KERN_RANDOMIZE,                 "randomize_va_space" },
130
131         { CTL_INT,      KERN_SPIN_RETRY,                "spin_retry" },
132         /* KERN_ACPI_VIDEO_FLAGS "acpi_video_flags" no longer used */
133         { CTL_INT,      KERN_IA64_UNALIGNED,            "ignore-unaligned-usertrap" },
134         { CTL_INT,      KERN_COMPAT_LOG,                "compat-log" },
135         { CTL_INT,      KERN_MAX_LOCK_DEPTH,            "max_lock_depth" },
136         { CTL_INT,      KERN_NMI_WATCHDOG,              "nmi_watchdog" },
137         { CTL_INT,      KERN_PANIC_ON_NMI,              "panic_on_unrecovered_nmi" },
138         {}
139 };
140
141 static const struct bin_table bin_vm_table[] = {
142         { CTL_INT,      VM_OVERCOMMIT_MEMORY,           "overcommit_memory" },
143         { CTL_INT,      VM_PAGE_CLUSTER,                "page-cluster" },
144         { CTL_INT,      VM_DIRTY_BACKGROUND,            "dirty_background_ratio" },
145         { CTL_INT,      VM_DIRTY_RATIO,                 "dirty_ratio" },
146         /* VM_DIRTY_WB_CS "dirty_writeback_centisecs" no longer used */
147         /* VM_DIRTY_EXPIRE_CS "dirty_expire_centisecs" no longer used */
148         { CTL_INT,      VM_NR_PDFLUSH_THREADS,          "nr_pdflush_threads" },
149         { CTL_INT,      VM_OVERCOMMIT_RATIO,            "overcommit_ratio" },
150         /* VM_PAGEBUF unused */
151         /* VM_HUGETLB_PAGES "nr_hugepages" no longer used */
152         { CTL_INT,      VM_SWAPPINESS,                  "swappiness" },
153         { CTL_INT,      VM_LOWMEM_RESERVE_RATIO,        "lowmem_reserve_ratio" },
154         { CTL_INT,      VM_MIN_FREE_KBYTES,             "min_free_kbytes" },
155         { CTL_INT,      VM_MAX_MAP_COUNT,               "max_map_count" },
156         { CTL_INT,      VM_LAPTOP_MODE,                 "laptop_mode" },
157         { CTL_INT,      VM_BLOCK_DUMP,                  "block_dump" },
158         { CTL_INT,      VM_HUGETLB_GROUP,               "hugetlb_shm_group" },
159         { CTL_INT,      VM_VFS_CACHE_PRESSURE,  "vfs_cache_pressure" },
160         { CTL_INT,      VM_LEGACY_VA_LAYOUT,            "legacy_va_layout" },
161         /* VM_SWAP_TOKEN_TIMEOUT unused */
162         { CTL_INT,      VM_DROP_PAGECACHE,              "drop_caches" },
163         { CTL_INT,      VM_PERCPU_PAGELIST_FRACTION,    "percpu_pagelist_fraction" },
164         { CTL_INT,      VM_ZONE_RECLAIM_MODE,           "zone_reclaim_mode" },
165         { CTL_INT,      VM_MIN_UNMAPPED,                "min_unmapped_ratio" },
166         { CTL_INT,      VM_PANIC_ON_OOM,                "panic_on_oom" },
167         { CTL_INT,      VM_VDSO_ENABLED,                "vdso_enabled" },
168         { CTL_INT,      VM_MIN_SLAB,                    "min_slab_ratio" },
169
170         {}
171 };
172
173 static const struct bin_table bin_net_core_table[] = {
174         { CTL_INT,      NET_CORE_WMEM_MAX,      "wmem_max" },
175         { CTL_INT,      NET_CORE_RMEM_MAX,      "rmem_max" },
176         { CTL_INT,      NET_CORE_WMEM_DEFAULT,  "wmem_default" },
177         { CTL_INT,      NET_CORE_RMEM_DEFAULT,  "rmem_default" },
178         /* NET_CORE_DESTROY_DELAY unused */
179         { CTL_INT,      NET_CORE_MAX_BACKLOG,   "netdev_max_backlog" },
180         /* NET_CORE_FASTROUTE unused */
181         { CTL_INT,      NET_CORE_MSG_COST,      "message_cost" },
182         { CTL_INT,      NET_CORE_MSG_BURST,     "message_burst" },
183         { CTL_INT,      NET_CORE_OPTMEM_MAX,    "optmem_max" },
184         /* NET_CORE_HOT_LIST_LENGTH unused */
185         /* NET_CORE_DIVERT_VERSION unused */
186         /* NET_CORE_NO_CONG_THRESH unused */
187         /* NET_CORE_NO_CONG unused */
188         /* NET_CORE_LO_CONG unused */
189         /* NET_CORE_MOD_CONG unused */
190         { CTL_INT,      NET_CORE_DEV_WEIGHT,    "dev_weight" },
191         { CTL_INT,      NET_CORE_SOMAXCONN,     "somaxconn" },
192         { CTL_INT,      NET_CORE_BUDGET,        "netdev_budget" },
193         { CTL_INT,      NET_CORE_AEVENT_ETIME,  "xfrm_aevent_etime" },
194         { CTL_INT,      NET_CORE_AEVENT_RSEQTH, "xfrm_aevent_rseqth" },
195         { CTL_INT,      NET_CORE_WARNINGS,      "warnings" },
196         {},
197 };
198
199 static const struct bin_table bin_net_unix_table[] = {
200         /* NET_UNIX_DESTROY_DELAY unused */
201         /* NET_UNIX_DELETE_DELAY unused */
202         { CTL_INT,      NET_UNIX_MAX_DGRAM_QLEN,        "max_dgram_qlen" },
203         {}
204 };
205
206 static const struct bin_table bin_net_ipv4_route_table[] = {
207         { CTL_INT,      NET_IPV4_ROUTE_FLUSH,                   "flush" },
208         /* NET_IPV4_ROUTE_MIN_DELAY "min_delay" no longer used */
209         /* NET_IPV4_ROUTE_MAX_DELAY "max_delay" no longer used */
210         { CTL_INT,      NET_IPV4_ROUTE_GC_THRESH,               "gc_thresh" },
211         { CTL_INT,      NET_IPV4_ROUTE_MAX_SIZE,                "max_size" },
212         { CTL_INT,      NET_IPV4_ROUTE_GC_MIN_INTERVAL,         "gc_min_interval" },
213         { CTL_INT,      NET_IPV4_ROUTE_GC_MIN_INTERVAL_MS,      "gc_min_interval_ms" },
214         { CTL_INT,      NET_IPV4_ROUTE_GC_TIMEOUT,              "gc_timeout" },
215         { CTL_INT,      NET_IPV4_ROUTE_GC_INTERVAL,             "gc_interval" },
216         { CTL_INT,      NET_IPV4_ROUTE_REDIRECT_LOAD,           "redirect_load" },
217         { CTL_INT,      NET_IPV4_ROUTE_REDIRECT_NUMBER,         "redirect_number" },
218         { CTL_INT,      NET_IPV4_ROUTE_REDIRECT_SILENCE,        "redirect_silence" },
219         { CTL_INT,      NET_IPV4_ROUTE_ERROR_COST,              "error_cost" },
220         { CTL_INT,      NET_IPV4_ROUTE_ERROR_BURST,             "error_burst" },
221         { CTL_INT,      NET_IPV4_ROUTE_GC_ELASTICITY,           "gc_elasticity" },
222         { CTL_INT,      NET_IPV4_ROUTE_MTU_EXPIRES,             "mtu_expires" },
223         { CTL_INT,      NET_IPV4_ROUTE_MIN_PMTU,                "min_pmtu" },
224         { CTL_INT,      NET_IPV4_ROUTE_MIN_ADVMSS,              "min_adv_mss" },
225         { CTL_INT,      NET_IPV4_ROUTE_SECRET_INTERVAL,         "secret_interval" },
226         {}
227 };
228
229 static const struct bin_table bin_net_ipv4_conf_vars_table[] = {
230         { CTL_INT,      NET_IPV4_CONF_FORWARDING,               "forwarding" },
231         { CTL_INT,      NET_IPV4_CONF_MC_FORWARDING,            "mc_forwarding" },
232
233         { CTL_INT,      NET_IPV4_CONF_ACCEPT_REDIRECTS,         "accept_redirects" },
234         { CTL_INT,      NET_IPV4_CONF_SECURE_REDIRECTS,         "secure_redirects" },
235         { CTL_INT,      NET_IPV4_CONF_SEND_REDIRECTS,           "send_redirects" },
236         { CTL_INT,      NET_IPV4_CONF_SHARED_MEDIA,             "shared_media" },
237         { CTL_INT,      NET_IPV4_CONF_RP_FILTER,                "rp_filter" },
238         { CTL_INT,      NET_IPV4_CONF_ACCEPT_SOURCE_ROUTE,      "accept_source_route" },
239         { CTL_INT,      NET_IPV4_CONF_PROXY_ARP,                "proxy_arp" },
240         { CTL_INT,      NET_IPV4_CONF_MEDIUM_ID,                "medium_id" },
241         { CTL_INT,      NET_IPV4_CONF_BOOTP_RELAY,              "bootp_relay" },
242         { CTL_INT,      NET_IPV4_CONF_LOG_MARTIANS,             "log_martians" },
243         { CTL_INT,      NET_IPV4_CONF_TAG,                      "tag" },
244         { CTL_INT,      NET_IPV4_CONF_ARPFILTER,                "arp_filter" },
245         { CTL_INT,      NET_IPV4_CONF_ARP_ANNOUNCE,             "arp_announce" },
246         { CTL_INT,      NET_IPV4_CONF_ARP_IGNORE,               "arp_ignore" },
247         { CTL_INT,      NET_IPV4_CONF_ARP_ACCEPT,               "arp_accept" },
248         { CTL_INT,      NET_IPV4_CONF_ARP_NOTIFY,               "arp_notify" },
249
250         { CTL_INT,      NET_IPV4_CONF_NOXFRM,                   "disable_xfrm" },
251         { CTL_INT,      NET_IPV4_CONF_NOPOLICY,                 "disable_policy" },
252         { CTL_INT,      NET_IPV4_CONF_FORCE_IGMP_VERSION,       "force_igmp_version" },
253         { CTL_INT,      NET_IPV4_CONF_PROMOTE_SECONDARIES,      "promote_secondaries" },
254         {}
255 };
256
257 static const struct bin_table bin_net_ipv4_conf_table[] = {
258         { CTL_DIR,      NET_PROTO_CONF_ALL,     "all",          bin_net_ipv4_conf_vars_table },
259         { CTL_DIR,      NET_PROTO_CONF_DEFAULT, "default",      bin_net_ipv4_conf_vars_table },
260         { CTL_DIR,      0, NULL, bin_net_ipv4_conf_vars_table },
261         {}
262 };
263
264 static const struct bin_table bin_net_neigh_vars_table[] = {
265         { CTL_INT,      NET_NEIGH_MCAST_SOLICIT,        "mcast_solicit" },
266         { CTL_INT,      NET_NEIGH_UCAST_SOLICIT,        "ucast_solicit" },
267         { CTL_INT,      NET_NEIGH_APP_SOLICIT,          "app_solicit" },
268         /* NET_NEIGH_RETRANS_TIME "retrans_time" no longer used */
269         { CTL_INT,      NET_NEIGH_REACHABLE_TIME,       "base_reachable_time" },
270         { CTL_INT,      NET_NEIGH_DELAY_PROBE_TIME,     "delay_first_probe_time" },
271         { CTL_INT,      NET_NEIGH_GC_STALE_TIME,        "gc_stale_time" },
272         { CTL_INT,      NET_NEIGH_UNRES_QLEN,           "unres_qlen" },
273         { CTL_INT,      NET_NEIGH_PROXY_QLEN,           "proxy_qlen" },
274         /* NET_NEIGH_ANYCAST_DELAY "anycast_delay" no longer used */
275         /* NET_NEIGH_PROXY_DELAY "proxy_delay" no longer used */
276         /* NET_NEIGH_LOCKTIME "locktime" no longer used */
277         { CTL_INT,      NET_NEIGH_GC_INTERVAL,          "gc_interval" },
278         { CTL_INT,      NET_NEIGH_GC_THRESH1,           "gc_thresh1" },
279         { CTL_INT,      NET_NEIGH_GC_THRESH2,           "gc_thresh2" },
280         { CTL_INT,      NET_NEIGH_GC_THRESH3,           "gc_thresh3" },
281         { CTL_INT,      NET_NEIGH_RETRANS_TIME_MS,      "retrans_time_ms" },
282         { CTL_INT,      NET_NEIGH_REACHABLE_TIME_MS,    "base_reachable_time_ms" },
283         {}
284 };
285
286 static const struct bin_table bin_net_neigh_table[] = {
287         { CTL_DIR,      NET_PROTO_CONF_DEFAULT, "default", bin_net_neigh_vars_table },
288         { CTL_DIR,      0, NULL, bin_net_neigh_vars_table },
289         {}
290 };
291
292 static const struct bin_table bin_net_ipv4_netfilter_table[] = {
293         { CTL_INT,      NET_IPV4_NF_CONNTRACK_MAX,              "ip_conntrack_max" },
294
295         /* NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_SYN_SENT "ip_conntrack_tcp_timeout_syn_sent" no longer used */
296         /* NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_SYN_RECV "ip_conntrack_tcp_timeout_syn_recv" no longer used */
297         /* NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_ESTABLISHED "ip_conntrack_tcp_timeout_established" no longer used */
298         /* NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_FIN_WAIT "ip_conntrack_tcp_timeout_fin_wait" no longer used */
299         /* NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_CLOSE_WAIT "ip_conntrack_tcp_timeout_close_wait" no longer used */
300         /* NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_LAST_ACK "ip_conntrack_tcp_timeout_last_ack" no longer used */
301         /* NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_TIME_WAIT "ip_conntrack_tcp_timeout_time_wait" no longer used */
302         /* NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_CLOSE "ip_conntrack_tcp_timeout_close" no longer used */
303
304         /* NET_IPV4_NF_CONNTRACK_UDP_TIMEOUT "ip_conntrack_udp_timeout" no longer used */
305         /* NET_IPV4_NF_CONNTRACK_UDP_TIMEOUT_STREAM "ip_conntrack_udp_timeout_stream" no longer used */
306         /* NET_IPV4_NF_CONNTRACK_ICMP_TIMEOUT "ip_conntrack_icmp_timeout" no longer used */
307         /* NET_IPV4_NF_CONNTRACK_GENERIC_TIMEOUT "ip_conntrack_generic_timeout" no longer used */
308
309         { CTL_INT,      NET_IPV4_NF_CONNTRACK_BUCKETS,          "ip_conntrack_buckets" },
310         { CTL_INT,      NET_IPV4_NF_CONNTRACK_LOG_INVALID,      "ip_conntrack_log_invalid" },
311         /* NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_MAX_RETRANS "ip_conntrack_tcp_timeout_max_retrans" no longer used */
312         { CTL_INT,      NET_IPV4_NF_CONNTRACK_TCP_LOOSE,        "ip_conntrack_tcp_loose" },
313         { CTL_INT,      NET_IPV4_NF_CONNTRACK_TCP_BE_LIBERAL,   "ip_conntrack_tcp_be_liberal" },
314         { CTL_INT,      NET_IPV4_NF_CONNTRACK_TCP_MAX_RETRANS,  "ip_conntrack_tcp_max_retrans" },
315
316         /* NET_IPV4_NF_CONNTRACK_SCTP_TIMEOUT_CLOSED "ip_conntrack_sctp_timeout_closed" no longer used */
317         /* NET_IPV4_NF_CONNTRACK_SCTP_TIMEOUT_COOKIE_WAIT "ip_conntrack_sctp_timeout_cookie_wait" no longer used */
318         /* NET_IPV4_NF_CONNTRACK_SCTP_TIMEOUT_COOKIE_ECHOED "ip_conntrack_sctp_timeout_cookie_echoed" no longer used */
319         /* NET_IPV4_NF_CONNTRACK_SCTP_TIMEOUT_ESTABLISHED "ip_conntrack_sctp_timeout_established" no longer used */
320         /* NET_IPV4_NF_CONNTRACK_SCTP_TIMEOUT_SHUTDOWN_SENT "ip_conntrack_sctp_timeout_shutdown_sent" no longer used */
321         /* NET_IPV4_NF_CONNTRACK_SCTP_TIMEOUT_SHUTDOWN_RECD "ip_conntrack_sctp_timeout_shutdown_recd" no longer used */
322         /* NET_IPV4_NF_CONNTRACK_SCTP_TIMEOUT_SHUTDOWN_ACK_SENT "ip_conntrack_sctp_timeout_shutdown_ack_sent" no longer used */
323
324         { CTL_INT,      NET_IPV4_NF_CONNTRACK_COUNT,            "ip_conntrack_count" },
325         { CTL_INT,      NET_IPV4_NF_CONNTRACK_CHECKSUM,         "ip_conntrack_checksum" },
326         {}
327 };
328
329 static const struct bin_table bin_net_ipv4_table[] = {
330         {CTL_INT,       NET_IPV4_FORWARD,                       "ip_forward" },
331
332         { CTL_DIR,      NET_IPV4_CONF,          "conf",         bin_net_ipv4_conf_table },
333         { CTL_DIR,      NET_IPV4_NEIGH,         "neigh",        bin_net_neigh_table },
334         { CTL_DIR,      NET_IPV4_ROUTE,         "route",        bin_net_ipv4_route_table },
335         /* NET_IPV4_FIB_HASH unused */
336         { CTL_DIR,      NET_IPV4_NETFILTER,     "netfilter",    bin_net_ipv4_netfilter_table },
337
338         { CTL_INT,      NET_IPV4_TCP_TIMESTAMPS,                "tcp_timestamps" },
339         { CTL_INT,      NET_IPV4_TCP_WINDOW_SCALING,            "tcp_window_scaling" },
340         { CTL_INT,      NET_IPV4_TCP_SACK,                      "tcp_sack" },
341         { CTL_INT,      NET_IPV4_TCP_RETRANS_COLLAPSE,          "tcp_retrans_collapse" },
342         { CTL_INT,      NET_IPV4_DEFAULT_TTL,                   "ip_default_ttl" },
343         /* NET_IPV4_AUTOCONFIG unused */
344         { CTL_INT,      NET_IPV4_NO_PMTU_DISC,                  "ip_no_pmtu_disc" },
345         { CTL_INT,      NET_IPV4_NONLOCAL_BIND,                 "ip_nonlocal_bind" },
346         { CTL_INT,      NET_IPV4_TCP_SYN_RETRIES,               "tcp_syn_retries" },
347         { CTL_INT,      NET_TCP_SYNACK_RETRIES,                 "tcp_synack_retries" },
348         { CTL_INT,      NET_TCP_MAX_ORPHANS,                    "tcp_max_orphans" },
349         { CTL_INT,      NET_TCP_MAX_TW_BUCKETS,                 "tcp_max_tw_buckets" },
350         { CTL_INT,      NET_IPV4_DYNADDR,                       "ip_dynaddr" },
351         { CTL_INT,      NET_IPV4_TCP_KEEPALIVE_TIME,            "tcp_keepalive_time" },
352         { CTL_INT,      NET_IPV4_TCP_KEEPALIVE_PROBES,          "tcp_keepalive_probes" },
353         { CTL_INT,      NET_IPV4_TCP_KEEPALIVE_INTVL,           "tcp_keepalive_intvl" },
354         { CTL_INT,      NET_IPV4_TCP_RETRIES1,                  "tcp_retries1" },
355         { CTL_INT,      NET_IPV4_TCP_RETRIES2,                  "tcp_retries2" },
356         { CTL_INT,      NET_IPV4_TCP_FIN_TIMEOUT,               "tcp_fin_timeout" },
357         { CTL_INT,      NET_TCP_SYNCOOKIES,                     "tcp_syncookies" },
358         { CTL_INT,      NET_TCP_TW_RECYCLE,                     "tcp_tw_recycle" },
359         { CTL_INT,      NET_TCP_ABORT_ON_OVERFLOW,              "tcp_abort_on_overflow" },
360         { CTL_INT,      NET_TCP_STDURG,                         "tcp_stdurg" },
361         { CTL_INT,      NET_TCP_RFC1337,                        "tcp_rfc1337" },
362         { CTL_INT,      NET_TCP_MAX_SYN_BACKLOG,                "tcp_max_syn_backlog" },
363         { CTL_INT,      NET_IPV4_LOCAL_PORT_RANGE,              "ip_local_port_range" },
364         { CTL_INT,      NET_IPV4_IGMP_MAX_MEMBERSHIPS,          "igmp_max_memberships" },
365         { CTL_INT,      NET_IPV4_IGMP_MAX_MSF,                  "igmp_max_msf" },
366         { CTL_INT,      NET_IPV4_INET_PEER_THRESHOLD,           "inet_peer_threshold" },
367         { CTL_INT,      NET_IPV4_INET_PEER_MINTTL,              "inet_peer_minttl" },
368         { CTL_INT,      NET_IPV4_INET_PEER_MAXTTL,              "inet_peer_maxttl" },
369         { CTL_INT,      NET_IPV4_INET_PEER_GC_MINTIME,          "inet_peer_gc_mintime" },
370         { CTL_INT,      NET_IPV4_INET_PEER_GC_MAXTIME,          "inet_peer_gc_maxtime" },
371         { CTL_INT,      NET_TCP_ORPHAN_RETRIES,                 "tcp_orphan_retries" },
372         { CTL_INT,      NET_TCP_FACK,                           "tcp_fack" },
373         { CTL_INT,      NET_TCP_REORDERING,                     "tcp_reordering" },
374         { CTL_INT,      NET_TCP_ECN,                            "tcp_ecn" },
375         { CTL_INT,      NET_TCP_DSACK,                          "tcp_dsack" },
376         { CTL_INT,      NET_TCP_MEM,                            "tcp_mem" },
377         { CTL_INT,      NET_TCP_WMEM,                           "tcp_wmem" },
378         { CTL_INT,      NET_TCP_RMEM,                           "tcp_rmem" },
379         { CTL_INT,      NET_TCP_APP_WIN,                        "tcp_app_win" },
380         { CTL_INT,      NET_TCP_ADV_WIN_SCALE,                  "tcp_adv_win_scale" },
381         { CTL_INT,      NET_TCP_TW_REUSE,                       "tcp_tw_reuse" },
382         { CTL_INT,      NET_TCP_FRTO,                           "tcp_frto" },
383         { CTL_INT,      NET_TCP_FRTO_RESPONSE,                  "tcp_frto_response" },
384         { CTL_INT,      NET_TCP_LOW_LATENCY,                    "tcp_low_latency" },
385         { CTL_INT,      NET_TCP_NO_METRICS_SAVE,                "tcp_no_metrics_save" },
386         { CTL_INT,      NET_TCP_MODERATE_RCVBUF,                "tcp_moderate_rcvbuf" },
387         { CTL_INT,      NET_TCP_TSO_WIN_DIVISOR,                "tcp_tso_win_divisor" },
388         { CTL_STR,      NET_TCP_CONG_CONTROL,                   "tcp_congestion_control" },
389         { CTL_INT,      NET_TCP_ABC,                            "tcp_abc" },
390         { CTL_INT,      NET_TCP_MTU_PROBING,                    "tcp_mtu_probing" },
391         { CTL_INT,      NET_TCP_BASE_MSS,                       "tcp_base_mss" },
392         { CTL_INT,      NET_IPV4_TCP_WORKAROUND_SIGNED_WINDOWS, "tcp_workaround_signed_windows" },
393         { CTL_INT,      NET_TCP_DMA_COPYBREAK,                  "tcp_dma_copybreak" },
394         { CTL_INT,      NET_TCP_SLOW_START_AFTER_IDLE,          "tcp_slow_start_after_idle" },
395         { CTL_INT,      NET_CIPSOV4_CACHE_ENABLE,               "cipso_cache_enable" },
396         { CTL_INT,      NET_CIPSOV4_CACHE_BUCKET_SIZE,          "cipso_cache_bucket_size" },
397         { CTL_INT,      NET_CIPSOV4_RBM_OPTFMT,                 "cipso_rbm_optfmt" },
398         { CTL_INT,      NET_CIPSOV4_RBM_STRICTVALID,            "cipso_rbm_strictvalid" },
399         /* NET_TCP_AVAIL_CONG_CONTROL "tcp_available_congestion_control" no longer used */
400         { CTL_STR,      NET_TCP_ALLOWED_CONG_CONTROL,           "tcp_allowed_congestion_control" },
401         { CTL_INT,      NET_TCP_MAX_SSTHRESH,                   "tcp_max_ssthresh" },
402
403         { CTL_INT,      NET_IPV4_ICMP_ECHO_IGNORE_ALL,          "icmp_echo_ignore_all" },
404         { CTL_INT,      NET_IPV4_ICMP_ECHO_IGNORE_BROADCASTS,   "icmp_echo_ignore_broadcasts" },
405         { CTL_INT,      NET_IPV4_ICMP_IGNORE_BOGUS_ERROR_RESPONSES,     "icmp_ignore_bogus_error_responses" },
406         { CTL_INT,      NET_IPV4_ICMP_ERRORS_USE_INBOUND_IFADDR,        "icmp_errors_use_inbound_ifaddr" },
407         { CTL_INT,      NET_IPV4_ICMP_RATELIMIT,                "icmp_ratelimit" },
408         { CTL_INT,      NET_IPV4_ICMP_RATEMASK,                 "icmp_ratemask" },
409
410         { CTL_INT,      NET_IPV4_IPFRAG_HIGH_THRESH,            "ipfrag_high_thresh" },
411         { CTL_INT,      NET_IPV4_IPFRAG_LOW_THRESH,             "ipfrag_low_thresh" },
412         { CTL_INT,      NET_IPV4_IPFRAG_TIME,                   "ipfrag_time" },
413
414         { CTL_INT,      NET_IPV4_IPFRAG_SECRET_INTERVAL,        "ipfrag_secret_interval" },
415         /* NET_IPV4_IPFRAG_MAX_DIST "ipfrag_max_dist" no longer used */
416
417         { CTL_INT,      2088 /* NET_IPQ_QMAX */,                "ip_queue_maxlen" },
418
419         /* NET_TCP_DEFAULT_WIN_SCALE unused */
420         /* NET_TCP_BIC_BETA unused */
421         /* NET_IPV4_TCP_MAX_KA_PROBES unused */
422         /* NET_IPV4_IP_MASQ_DEBUG unused */
423         /* NET_TCP_SYN_TAILDROP unused */
424         /* NET_IPV4_ICMP_SOURCEQUENCH_RATE unused */
425         /* NET_IPV4_ICMP_DESTUNREACH_RATE unused */
426         /* NET_IPV4_ICMP_TIMEEXCEED_RATE unused */
427         /* NET_IPV4_ICMP_PARAMPROB_RATE unused */
428         /* NET_IPV4_ICMP_ECHOREPLY_RATE unused */
429         /* NET_IPV4_ALWAYS_DEFRAG unused */
430         {}
431 };
432
433 static const struct bin_table bin_net_ipx_table[] = {
434         { CTL_INT,      NET_IPX_PPROP_BROADCASTING,     "ipx_pprop_broadcasting" },
435         /* NET_IPX_FORWARDING unused */
436         {}
437 };
438
439 static const struct bin_table bin_net_atalk_table[] = {
440         { CTL_INT,      NET_ATALK_AARP_EXPIRY_TIME,             "aarp-expiry-time" },
441         { CTL_INT,      NET_ATALK_AARP_TICK_TIME,               "aarp-tick-time" },
442         { CTL_INT,      NET_ATALK_AARP_RETRANSMIT_LIMIT,        "aarp-retransmit-limit" },
443         { CTL_INT,      NET_ATALK_AARP_RESOLVE_TIME,            "aarp-resolve-time" },
444         {},
445 };
446
447 static const struct bin_table bin_net_netrom_table[] = {
448         { CTL_INT,      NET_NETROM_DEFAULT_PATH_QUALITY,                "default_path_quality" },
449         { CTL_INT,      NET_NETROM_OBSOLESCENCE_COUNT_INITIALISER,      "obsolescence_count_initialiser" },
450         { CTL_INT,      NET_NETROM_NETWORK_TTL_INITIALISER,             "network_ttl_initialiser" },
451         { CTL_INT,      NET_NETROM_TRANSPORT_TIMEOUT,                   "transport_timeout" },
452         { CTL_INT,      NET_NETROM_TRANSPORT_MAXIMUM_TRIES,             "transport_maximum_tries" },
453         { CTL_INT,      NET_NETROM_TRANSPORT_ACKNOWLEDGE_DELAY,         "transport_acknowledge_delay" },
454         { CTL_INT,      NET_NETROM_TRANSPORT_BUSY_DELAY,                "transport_busy_delay" },
455         { CTL_INT,      NET_NETROM_TRANSPORT_REQUESTED_WINDOW_SIZE,     "transport_requested_window_size" },
456         { CTL_INT,      NET_NETROM_TRANSPORT_NO_ACTIVITY_TIMEOUT,       "transport_no_activity_timeout" },
457         { CTL_INT,      NET_NETROM_ROUTING_CONTROL,                     "routing_control" },
458         { CTL_INT,      NET_NETROM_LINK_FAILS_COUNT,                    "link_fails_count" },
459         { CTL_INT,      NET_NETROM_RESET,                               "reset" },
460         {}
461 };
462
463 static const struct bin_table bin_net_ax25_param_table[] = {
464         { CTL_INT,      NET_AX25_IP_DEFAULT_MODE,       "ip_default_mode" },
465         { CTL_INT,      NET_AX25_DEFAULT_MODE,          "ax25_default_mode" },
466         { CTL_INT,      NET_AX25_BACKOFF_TYPE,          "backoff_type" },
467         { CTL_INT,      NET_AX25_CONNECT_MODE,          "connect_mode" },
468         { CTL_INT,      NET_AX25_STANDARD_WINDOW,       "standard_window_size" },
469         { CTL_INT,      NET_AX25_EXTENDED_WINDOW,       "extended_window_size" },
470         { CTL_INT,      NET_AX25_T1_TIMEOUT,            "t1_timeout" },
471         { CTL_INT,      NET_AX25_T2_TIMEOUT,            "t2_timeout" },
472         { CTL_INT,      NET_AX25_T3_TIMEOUT,            "t3_timeout" },
473         { CTL_INT,      NET_AX25_IDLE_TIMEOUT,          "idle_timeout" },
474         { CTL_INT,      NET_AX25_N2,                    "maximum_retry_count" },
475         { CTL_INT,      NET_AX25_PACLEN,                "maximum_packet_length" },
476         { CTL_INT,      NET_AX25_PROTOCOL,              "protocol" },
477         { CTL_INT,      NET_AX25_DAMA_SLAVE_TIMEOUT,    "dama_slave_timeout" },
478         {}
479 };
480
481 static const struct bin_table bin_net_ax25_table[] = {
482         { CTL_DIR,      0, NULL, bin_net_ax25_param_table },
483         {}
484 };
485
486 static const struct bin_table bin_net_rose_table[] = {
487         { CTL_INT,      NET_ROSE_RESTART_REQUEST_TIMEOUT,       "restart_request_timeout" },
488         { CTL_INT,      NET_ROSE_CALL_REQUEST_TIMEOUT,          "call_request_timeout" },
489         { CTL_INT,      NET_ROSE_RESET_REQUEST_TIMEOUT,         "reset_request_timeout" },
490         { CTL_INT,      NET_ROSE_CLEAR_REQUEST_TIMEOUT,         "clear_request_timeout" },
491         { CTL_INT,      NET_ROSE_ACK_HOLD_BACK_TIMEOUT,         "acknowledge_hold_back_timeout" },
492         { CTL_INT,      NET_ROSE_ROUTING_CONTROL,               "routing_control" },
493         { CTL_INT,      NET_ROSE_LINK_FAIL_TIMEOUT,             "link_fail_timeout" },
494         { CTL_INT,      NET_ROSE_MAX_VCS,                       "maximum_virtual_circuits" },
495         { CTL_INT,      NET_ROSE_WINDOW_SIZE,                   "window_size" },
496         { CTL_INT,      NET_ROSE_NO_ACTIVITY_TIMEOUT,           "no_activity_timeout" },
497         {}
498 };
499
500 static const struct bin_table bin_net_ipv6_conf_var_table[] = {
501         { CTL_INT,      NET_IPV6_FORWARDING,                    "forwarding" },
502         { CTL_INT,      NET_IPV6_HOP_LIMIT,                     "hop_limit" },
503         { CTL_INT,      NET_IPV6_MTU,                           "mtu" },
504         { CTL_INT,      NET_IPV6_ACCEPT_RA,                     "accept_ra" },
505         { CTL_INT,      NET_IPV6_ACCEPT_REDIRECTS,              "accept_redirects" },
506         { CTL_INT,      NET_IPV6_AUTOCONF,                      "autoconf" },
507         { CTL_INT,      NET_IPV6_DAD_TRANSMITS,                 "dad_transmits" },
508         { CTL_INT,      NET_IPV6_RTR_SOLICITS,                  "router_solicitations" },
509         { CTL_INT,      NET_IPV6_RTR_SOLICIT_INTERVAL,          "router_solicitation_interval" },
510         { CTL_INT,      NET_IPV6_RTR_SOLICIT_DELAY,             "router_solicitation_delay" },
511         { CTL_INT,      NET_IPV6_USE_TEMPADDR,                  "use_tempaddr" },
512         { CTL_INT,      NET_IPV6_TEMP_VALID_LFT,                "temp_valid_lft" },
513         { CTL_INT,      NET_IPV6_TEMP_PREFERED_LFT,             "temp_prefered_lft" },
514         { CTL_INT,      NET_IPV6_REGEN_MAX_RETRY,               "regen_max_retry" },
515         { CTL_INT,      NET_IPV6_MAX_DESYNC_FACTOR,             "max_desync_factor" },
516         { CTL_INT,      NET_IPV6_MAX_ADDRESSES,                 "max_addresses" },
517         { CTL_INT,      NET_IPV6_FORCE_MLD_VERSION,             "force_mld_version" },
518         { CTL_INT,      NET_IPV6_ACCEPT_RA_DEFRTR,              "accept_ra_defrtr" },
519         { CTL_INT,      NET_IPV6_ACCEPT_RA_PINFO,               "accept_ra_pinfo" },
520         { CTL_INT,      NET_IPV6_ACCEPT_RA_RTR_PREF,            "accept_ra_rtr_pref" },
521         { CTL_INT,      NET_IPV6_RTR_PROBE_INTERVAL,            "router_probe_interval" },
522         { CTL_INT,      NET_IPV6_ACCEPT_RA_RT_INFO_MAX_PLEN,    "accept_ra_rt_info_max_plen" },
523         { CTL_INT,      NET_IPV6_PROXY_NDP,                     "proxy_ndp" },
524         { CTL_INT,      NET_IPV6_ACCEPT_SOURCE_ROUTE,           "accept_source_route" },
525         {}
526 };
527
528 static const struct bin_table bin_net_ipv6_conf_table[] = {
529         { CTL_DIR,      NET_PROTO_CONF_ALL,             "all",  bin_net_ipv6_conf_var_table },
530         { CTL_DIR,      NET_PROTO_CONF_DEFAULT,         "default", bin_net_ipv6_conf_var_table },
531         { CTL_DIR,      0, NULL, bin_net_ipv6_conf_var_table },
532         {}
533 };
534
535 static const struct bin_table bin_net_ipv6_route_table[] = {
536         /* NET_IPV6_ROUTE_FLUSH "flush"  no longer used */
537         { CTL_INT,      NET_IPV6_ROUTE_GC_THRESH,               "gc_thresh" },
538         { CTL_INT,      NET_IPV6_ROUTE_MAX_SIZE,                "max_size" },
539         { CTL_INT,      NET_IPV6_ROUTE_GC_MIN_INTERVAL,         "gc_min_interval" },
540         { CTL_INT,      NET_IPV6_ROUTE_GC_TIMEOUT,              "gc_timeout" },
541         { CTL_INT,      NET_IPV6_ROUTE_GC_INTERVAL,             "gc_interval" },
542         { CTL_INT,      NET_IPV6_ROUTE_GC_ELASTICITY,           "gc_elasticity" },
543         { CTL_INT,      NET_IPV6_ROUTE_MTU_EXPIRES,             "mtu_expires" },
544         { CTL_INT,      NET_IPV6_ROUTE_MIN_ADVMSS,              "min_adv_mss" },
545         { CTL_INT,      NET_IPV6_ROUTE_GC_MIN_INTERVAL_MS,      "gc_min_interval_ms" },
546         {}
547 };
548
549 static const struct bin_table bin_net_ipv6_icmp_table[] = {
550         { CTL_INT,      NET_IPV6_ICMP_RATELIMIT,        "ratelimit" },
551         {}
552 };
553
554 static const struct bin_table bin_net_ipv6_table[] = {
555         { CTL_DIR,      NET_IPV6_CONF,          "conf",         bin_net_ipv6_conf_table },
556         { CTL_DIR,      NET_IPV6_NEIGH,         "neigh",        bin_net_neigh_table },
557         { CTL_DIR,      NET_IPV6_ROUTE,         "route",        bin_net_ipv6_route_table },
558         { CTL_DIR,      NET_IPV6_ICMP,          "icmp",         bin_net_ipv6_icmp_table },
559         { CTL_INT,      NET_IPV6_BINDV6ONLY,            "bindv6only" },
560         { CTL_INT,      NET_IPV6_IP6FRAG_HIGH_THRESH,   "ip6frag_high_thresh" },
561         { CTL_INT,      NET_IPV6_IP6FRAG_LOW_THRESH,    "ip6frag_low_thresh" },
562         { CTL_INT,      NET_IPV6_IP6FRAG_TIME,          "ip6frag_time" },
563         { CTL_INT,      NET_IPV6_IP6FRAG_SECRET_INTERVAL,       "ip6frag_secret_interval" },
564         { CTL_INT,      NET_IPV6_MLD_MAX_MSF,           "mld_max_msf" },
565         { CTL_INT,      2088 /* IPQ_QMAX */,            "ip6_queue_maxlen" },
566         {}
567 };
568
569 static const struct bin_table bin_net_x25_table[] = {
570         { CTL_INT,      NET_X25_RESTART_REQUEST_TIMEOUT,        "restart_request_timeout" },
571         { CTL_INT,      NET_X25_CALL_REQUEST_TIMEOUT,           "call_request_timeout" },
572         { CTL_INT,      NET_X25_RESET_REQUEST_TIMEOUT,  "reset_request_timeout" },
573         { CTL_INT,      NET_X25_CLEAR_REQUEST_TIMEOUT,  "clear_request_timeout" },
574         { CTL_INT,      NET_X25_ACK_HOLD_BACK_TIMEOUT,  "acknowledgement_hold_back_timeout" },
575         { CTL_INT,      NET_X25_FORWARD,                        "x25_forward" },
576         {}
577 };
578
579 static const struct bin_table bin_net_tr_table[] = {
580         { CTL_INT,      NET_TR_RIF_TIMEOUT,     "rif_timeout" },
581         {}
582 };
583
584
585 static const struct bin_table bin_net_decnet_conf_vars[] = {
586         { CTL_INT,      NET_DECNET_CONF_DEV_FORWARDING, "forwarding" },
587         { CTL_INT,      NET_DECNET_CONF_DEV_PRIORITY,   "priority" },
588         { CTL_INT,      NET_DECNET_CONF_DEV_T2,         "t2" },
589         { CTL_INT,      NET_DECNET_CONF_DEV_T3,         "t3" },
590         {}
591 };
592
593 static const struct bin_table bin_net_decnet_conf[] = {
594         { CTL_DIR, NET_DECNET_CONF_ETHER,    "ethernet", bin_net_decnet_conf_vars },
595         { CTL_DIR, NET_DECNET_CONF_GRE,      "ipgre",    bin_net_decnet_conf_vars },
596         { CTL_DIR, NET_DECNET_CONF_X25,      "x25",      bin_net_decnet_conf_vars },
597         { CTL_DIR, NET_DECNET_CONF_PPP,      "ppp",      bin_net_decnet_conf_vars },
598         { CTL_DIR, NET_DECNET_CONF_DDCMP,    "ddcmp",    bin_net_decnet_conf_vars },
599         { CTL_DIR, NET_DECNET_CONF_LOOPBACK, "loopback", bin_net_decnet_conf_vars },
600         { CTL_DIR, 0,                        NULL,       bin_net_decnet_conf_vars },
601         {}
602 };
603
604 static const struct bin_table bin_net_decnet_table[] = {
605         { CTL_DIR,      NET_DECNET_CONF,                "conf", bin_net_decnet_conf },
606         { CTL_DNADR,    NET_DECNET_NODE_ADDRESS,        "node_address" },
607         { CTL_STR,      NET_DECNET_NODE_NAME,           "node_name" },
608         { CTL_STR,      NET_DECNET_DEFAULT_DEVICE,      "default_device" },
609         { CTL_INT,      NET_DECNET_TIME_WAIT,           "time_wait" },
610         { CTL_INT,      NET_DECNET_DN_COUNT,            "dn_count" },
611         { CTL_INT,      NET_DECNET_DI_COUNT,            "di_count" },
612         { CTL_INT,      NET_DECNET_DR_COUNT,            "dr_count" },
613         { CTL_INT,      NET_DECNET_DST_GC_INTERVAL,     "dst_gc_interval" },
614         { CTL_INT,      NET_DECNET_NO_FC_MAX_CWND,      "no_fc_max_cwnd" },
615         { CTL_INT,      NET_DECNET_MEM,         "decnet_mem" },
616         { CTL_INT,      NET_DECNET_RMEM,                "decnet_rmem" },
617         { CTL_INT,      NET_DECNET_WMEM,                "decnet_wmem" },
618         { CTL_INT,      NET_DECNET_DEBUG_LEVEL, "debug" },
619         {}
620 };
621
622 static const struct bin_table bin_net_sctp_table[] = {
623         { CTL_INT,      NET_SCTP_RTO_INITIAL,           "rto_initial" },
624         { CTL_INT,      NET_SCTP_RTO_MIN,               "rto_min" },
625         { CTL_INT,      NET_SCTP_RTO_MAX,               "rto_max" },
626         { CTL_INT,      NET_SCTP_RTO_ALPHA,             "rto_alpha_exp_divisor" },
627         { CTL_INT,      NET_SCTP_RTO_BETA,              "rto_beta_exp_divisor" },
628         { CTL_INT,      NET_SCTP_VALID_COOKIE_LIFE,     "valid_cookie_life" },
629         { CTL_INT,      NET_SCTP_ASSOCIATION_MAX_RETRANS,       "association_max_retrans" },
630         { CTL_INT,      NET_SCTP_PATH_MAX_RETRANS,      "path_max_retrans" },
631         { CTL_INT,      NET_SCTP_MAX_INIT_RETRANSMITS,  "max_init_retransmits" },
632         { CTL_INT,      NET_SCTP_HB_INTERVAL,           "hb_interval" },
633         { CTL_INT,      NET_SCTP_PRESERVE_ENABLE,       "cookie_preserve_enable" },
634         { CTL_INT,      NET_SCTP_MAX_BURST,             "max_burst" },
635         { CTL_INT,      NET_SCTP_ADDIP_ENABLE,          "addip_enable" },
636         { CTL_INT,      NET_SCTP_PRSCTP_ENABLE,         "prsctp_enable" },
637         { CTL_INT,      NET_SCTP_SNDBUF_POLICY,         "sndbuf_policy" },
638         { CTL_INT,      NET_SCTP_SACK_TIMEOUT,          "sack_timeout" },
639         { CTL_INT,      NET_SCTP_RCVBUF_POLICY,         "rcvbuf_policy" },
640         {}
641 };
642
643 static const struct bin_table bin_net_llc_llc2_timeout_table[] = {
644         { CTL_INT,      NET_LLC2_ACK_TIMEOUT,   "ack" },
645         { CTL_INT,      NET_LLC2_P_TIMEOUT,     "p" },
646         { CTL_INT,      NET_LLC2_REJ_TIMEOUT,   "rej" },
647         { CTL_INT,      NET_LLC2_BUSY_TIMEOUT,  "busy" },
648         {}
649 };
650
651 static const struct bin_table bin_net_llc_station_table[] = {
652         { CTL_INT,      NET_LLC_STATION_ACK_TIMEOUT,    "ack_timeout" },
653         {}
654 };
655
656 static const struct bin_table bin_net_llc_llc2_table[] = {
657         { CTL_DIR,      NET_LLC2,               "timeout",      bin_net_llc_llc2_timeout_table },
658         {}
659 };
660
661 static const struct bin_table bin_net_llc_table[] = {
662         { CTL_DIR,      NET_LLC2,               "llc2",         bin_net_llc_llc2_table },
663         { CTL_DIR,      NET_LLC_STATION,        "station",      bin_net_llc_station_table },
664         {}
665 };
666
667 static const struct bin_table bin_net_netfilter_table[] = {
668         { CTL_INT,      NET_NF_CONNTRACK_MAX,                   "nf_conntrack_max" },
669         /* NET_NF_CONNTRACK_TCP_TIMEOUT_SYN_SENT "nf_conntrack_tcp_timeout_syn_sent" no longer used */
670         /* NET_NF_CONNTRACK_TCP_TIMEOUT_SYN_RECV "nf_conntrack_tcp_timeout_syn_recv" no longer used */
671         /* NET_NF_CONNTRACK_TCP_TIMEOUT_ESTABLISHED "nf_conntrack_tcp_timeout_established" no longer used */
672         /* NET_NF_CONNTRACK_TCP_TIMEOUT_FIN_WAIT "nf_conntrack_tcp_timeout_fin_wait" no longer used */
673         /* NET_NF_CONNTRACK_TCP_TIMEOUT_CLOSE_WAIT "nf_conntrack_tcp_timeout_close_wait" no longer used */
674         /* NET_NF_CONNTRACK_TCP_TIMEOUT_LAST_ACK "nf_conntrack_tcp_timeout_last_ack" no longer used */
675         /* NET_NF_CONNTRACK_TCP_TIMEOUT_TIME_WAIT "nf_conntrack_tcp_timeout_time_wait" no longer used */
676         /* NET_NF_CONNTRACK_TCP_TIMEOUT_CLOSE "nf_conntrack_tcp_timeout_close" no longer used */
677         /* NET_NF_CONNTRACK_UDP_TIMEOUT "nf_conntrack_udp_timeout" no longer used */
678         /* NET_NF_CONNTRACK_UDP_TIMEOUT_STREAM "nf_conntrack_udp_timeout_stream" no longer used */
679         /* NET_NF_CONNTRACK_ICMP_TIMEOUT "nf_conntrack_icmp_timeout" no longer used */
680         /* NET_NF_CONNTRACK_GENERIC_TIMEOUT "nf_conntrack_generic_timeout" no longer used */
681         { CTL_INT,      NET_NF_CONNTRACK_BUCKETS,               "nf_conntrack_buckets" },
682         { CTL_INT,      NET_NF_CONNTRACK_LOG_INVALID,           "nf_conntrack_log_invalid" },
683         /* NET_NF_CONNTRACK_TCP_TIMEOUT_MAX_RETRANS "nf_conntrack_tcp_timeout_max_retrans" no longer used */
684         { CTL_INT,      NET_NF_CONNTRACK_TCP_LOOSE,             "nf_conntrack_tcp_loose" },
685         { CTL_INT,      NET_NF_CONNTRACK_TCP_BE_LIBERAL,        "nf_conntrack_tcp_be_liberal" },
686         { CTL_INT,      NET_NF_CONNTRACK_TCP_MAX_RETRANS,       "nf_conntrack_tcp_max_retrans" },
687         /* NET_NF_CONNTRACK_SCTP_TIMEOUT_CLOSED "nf_conntrack_sctp_timeout_closed" no longer used */
688         /* NET_NF_CONNTRACK_SCTP_TIMEOUT_COOKIE_WAIT "nf_conntrack_sctp_timeout_cookie_wait" no longer used */
689         /* NET_NF_CONNTRACK_SCTP_TIMEOUT_COOKIE_ECHOED "nf_conntrack_sctp_timeout_cookie_echoed" no longer used */
690         /* NET_NF_CONNTRACK_SCTP_TIMEOUT_ESTABLISHED "nf_conntrack_sctp_timeout_established" no longer used */
691         /* NET_NF_CONNTRACK_SCTP_TIMEOUT_SHUTDOWN_SENT "nf_conntrack_sctp_timeout_shutdown_sent" no longer used */
692         /* NET_NF_CONNTRACK_SCTP_TIMEOUT_SHUTDOWN_RECD "nf_conntrack_sctp_timeout_shutdown_recd" no longer used */
693         /* NET_NF_CONNTRACK_SCTP_TIMEOUT_SHUTDOWN_ACK_SENT "nf_conntrack_sctp_timeout_shutdown_ack_sent" no longer used */
694         { CTL_INT,      NET_NF_CONNTRACK_COUNT,                 "nf_conntrack_count" },
695         /* NET_NF_CONNTRACK_ICMPV6_TIMEOUT "nf_conntrack_icmpv6_timeout" no longer used */
696         /* NET_NF_CONNTRACK_FRAG6_TIMEOUT "nf_conntrack_frag6_timeout" no longer used */
697         { CTL_INT,      NET_NF_CONNTRACK_FRAG6_LOW_THRESH,      "nf_conntrack_frag6_low_thresh" },
698         { CTL_INT,      NET_NF_CONNTRACK_FRAG6_HIGH_THRESH,     "nf_conntrack_frag6_high_thresh" },
699         { CTL_INT,      NET_NF_CONNTRACK_CHECKSUM,              "nf_conntrack_checksum" },
700
701         {}
702 };
703
704 static const struct bin_table bin_net_irda_table[] = {
705         { CTL_INT,      NET_IRDA_DISCOVERY,             "discovery" },
706         { CTL_STR,      NET_IRDA_DEVNAME,               "devname" },
707         { CTL_INT,      NET_IRDA_DEBUG,                 "debug" },
708         { CTL_INT,      NET_IRDA_FAST_POLL,             "fast_poll_increase" },
709         { CTL_INT,      NET_IRDA_DISCOVERY_SLOTS,       "discovery_slots" },
710         { CTL_INT,      NET_IRDA_DISCOVERY_TIMEOUT,     "discovery_timeout" },
711         { CTL_INT,      NET_IRDA_SLOT_TIMEOUT,          "slot_timeout" },
712         { CTL_INT,      NET_IRDA_MAX_BAUD_RATE,         "max_baud_rate" },
713         { CTL_INT,      NET_IRDA_MIN_TX_TURN_TIME,      "min_tx_turn_time" },
714         { CTL_INT,      NET_IRDA_MAX_TX_DATA_SIZE,      "max_tx_data_size" },
715         { CTL_INT,      NET_IRDA_MAX_TX_WINDOW,         "max_tx_window" },
716         { CTL_INT,      NET_IRDA_MAX_NOREPLY_TIME,      "max_noreply_time" },
717         { CTL_INT,      NET_IRDA_WARN_NOREPLY_TIME,     "warn_noreply_time" },
718         { CTL_INT,      NET_IRDA_LAP_KEEPALIVE_TIME,    "lap_keepalive_time" },
719         {}
720 };
721
722 static const struct bin_table bin_net_table[] = {
723         { CTL_DIR,      NET_CORE,               "core",         bin_net_core_table },
724         /* NET_ETHER not used */
725         /* NET_802 not used */
726         { CTL_DIR,      NET_UNIX,               "unix",         bin_net_unix_table },
727         { CTL_DIR,      NET_IPV4,               "ipv4",         bin_net_ipv4_table },
728         { CTL_DIR,      NET_IPX,                "ipx",          bin_net_ipx_table },
729         { CTL_DIR,      NET_ATALK,              "appletalk",    bin_net_atalk_table },
730         { CTL_DIR,      NET_NETROM,             "netrom",       bin_net_netrom_table },
731         { CTL_DIR,      NET_AX25,               "ax25",         bin_net_ax25_table },
732         /*  NET_BRIDGE "bridge" no longer used */
733         { CTL_DIR,      NET_ROSE,               "rose",         bin_net_rose_table },
734         { CTL_DIR,      NET_IPV6,               "ipv6",         bin_net_ipv6_table },
735         { CTL_DIR,      NET_X25,                "x25",          bin_net_x25_table },
736         { CTL_DIR,      NET_TR,                 "token-ring",   bin_net_tr_table },
737         { CTL_DIR,      NET_DECNET,             "decnet",       bin_net_decnet_table },
738         /*  NET_ECONET not used */
739         { CTL_DIR,      NET_SCTP,               "sctp",         bin_net_sctp_table },
740         { CTL_DIR,      NET_LLC,                "llc",          bin_net_llc_table },
741         { CTL_DIR,      NET_NETFILTER,          "netfilter",    bin_net_netfilter_table },
742         /* NET_DCCP "dccp" no longer used */
743         { CTL_DIR,      NET_IRDA,               "irda",         bin_net_irda_table },
744         { CTL_INT,      2089,                   "nf_conntrack_max" },
745         {}
746 };
747
748 static const struct bin_table bin_fs_quota_table[] = {
749         { CTL_INT,      FS_DQ_LOOKUPS,          "lookups" },
750         { CTL_INT,      FS_DQ_DROPS,            "drops" },
751         { CTL_INT,      FS_DQ_READS,            "reads" },
752         { CTL_INT,      FS_DQ_WRITES,           "writes" },
753         { CTL_INT,      FS_DQ_CACHE_HITS,       "cache_hits" },
754         { CTL_INT,      FS_DQ_ALLOCATED,        "allocated_dquots" },
755         { CTL_INT,      FS_DQ_FREE,             "free_dquots" },
756         { CTL_INT,      FS_DQ_SYNCS,            "syncs" },
757         { CTL_INT,      FS_DQ_WARNINGS,         "warnings" },
758         {}
759 };
760
761 static const struct bin_table bin_fs_xfs_table[] = {
762         { CTL_INT,      XFS_SGID_INHERIT,       "irix_sgid_inherit" },
763         { CTL_INT,      XFS_SYMLINK_MODE,       "irix_symlink_mode" },
764         { CTL_INT,      XFS_PANIC_MASK,         "panic_mask" },
765
766         { CTL_INT,      XFS_ERRLEVEL,           "error_level" },
767         { CTL_INT,      XFS_SYNCD_TIMER,        "xfssyncd_centisecs" },
768         { CTL_INT,      XFS_INHERIT_SYNC,       "inherit_sync" },
769         { CTL_INT,      XFS_INHERIT_NODUMP,     "inherit_nodump" },
770         { CTL_INT,      XFS_INHERIT_NOATIME,    "inherit_noatime" },
771         { CTL_INT,      XFS_BUF_TIMER,          "xfsbufd_centisecs" },
772         { CTL_INT,      XFS_BUF_AGE,            "age_buffer_centisecs" },
773         { CTL_INT,      XFS_INHERIT_NOSYM,      "inherit_nosymlinks" },
774         { CTL_INT,      XFS_ROTORSTEP,  "rotorstep" },
775         { CTL_INT,      XFS_INHERIT_NODFRG,     "inherit_nodefrag" },
776         { CTL_INT,      XFS_FILESTREAM_TIMER,   "filestream_centisecs" },
777         { CTL_INT,      XFS_STATS_CLEAR,        "stats_clear" },
778         {}
779 };
780
781 static const struct bin_table bin_fs_ocfs2_nm_table[] = {
782         { CTL_STR,      1, "hb_ctl_path" },
783         {}
784 };
785
786 static const struct bin_table bin_fs_ocfs2_table[] = {
787         { CTL_DIR,      1,      "nm",   bin_fs_ocfs2_nm_table },
788         {}
789 };
790
791 static const struct bin_table bin_inotify_table[] = {
792         { CTL_INT,      INOTIFY_MAX_USER_INSTANCES,     "max_user_instances" },
793         { CTL_INT,      INOTIFY_MAX_USER_WATCHES,       "max_user_watches" },
794         { CTL_INT,      INOTIFY_MAX_QUEUED_EVENTS,      "max_queued_events" },
795         {}
796 };
797
798 static const struct bin_table bin_fs_table[] = {
799         { CTL_INT,      FS_NRINODE,             "inode-nr" },
800         { CTL_INT,      FS_STATINODE,           "inode-state" },
801         /* FS_MAXINODE unused */
802         /* FS_NRDQUOT unused */
803         /* FS_MAXDQUOT unused */
804         /* FS_NRFILE "file-nr" no longer used */
805         { CTL_INT,      FS_MAXFILE,             "file-max" },
806         { CTL_INT,      FS_DENTRY,              "dentry-state" },
807         /* FS_NRSUPER unused */
808         /* FS_MAXUPSER unused */
809         { CTL_INT,      FS_OVERFLOWUID,         "overflowuid" },
810         { CTL_INT,      FS_OVERFLOWGID,         "overflowgid" },
811         { CTL_INT,      FS_LEASES,              "leases-enable" },
812         { CTL_INT,      FS_DIR_NOTIFY,          "dir-notify-enable" },
813         { CTL_INT,      FS_LEASE_TIME,          "lease-break-time" },
814         { CTL_DIR,      FS_DQSTATS,             "quota",        bin_fs_quota_table },
815         { CTL_DIR,      FS_XFS,                 "xfs",          bin_fs_xfs_table },
816         { CTL_ULONG,    FS_AIO_NR,              "aio-nr" },
817         { CTL_ULONG,    FS_AIO_MAX_NR,          "aio-max-nr" },
818         { CTL_DIR,      FS_INOTIFY,             "inotify",      bin_inotify_table },
819         { CTL_DIR,      FS_OCFS2,               "ocfs2",        bin_fs_ocfs2_table },
820         { CTL_INT,      KERN_SETUID_DUMPABLE,   "suid_dumpable" },
821         {}
822 };
823
824 static const struct bin_table bin_ipmi_table[] = {
825         { CTL_INT,      DEV_IPMI_POWEROFF_POWERCYCLE,   "poweroff_powercycle" },
826         {}
827 };
828
829 static const struct bin_table bin_mac_hid_files[] = {
830         /* DEV_MAC_HID_KEYBOARD_SENDS_LINUX_KEYCODES unused */
831         /* DEV_MAC_HID_KEYBOARD_LOCK_KEYCODES unused */
832         { CTL_INT,      DEV_MAC_HID_MOUSE_BUTTON_EMULATION,     "mouse_button_emulation" },
833         { CTL_INT,      DEV_MAC_HID_MOUSE_BUTTON2_KEYCODE,      "mouse_button2_keycode" },
834         { CTL_INT,      DEV_MAC_HID_MOUSE_BUTTON3_KEYCODE,      "mouse_button3_keycode" },
835         /* DEV_MAC_HID_ADB_MOUSE_SENDS_KEYCODES unused */
836         {}
837 };
838
839 static const struct bin_table bin_raid_table[] = {
840         { CTL_INT,      DEV_RAID_SPEED_LIMIT_MIN,       "speed_limit_min" },
841         { CTL_INT,      DEV_RAID_SPEED_LIMIT_MAX,       "speed_limit_max" },
842         {}
843 };
844
845 static const struct bin_table bin_scsi_table[] = {
846         { CTL_INT, DEV_SCSI_LOGGING_LEVEL, "logging_level" },
847         {}
848 };
849
850 static const struct bin_table bin_dev_table[] = {
851         /* DEV_CDROM    "cdrom" no longer used */
852         /* DEV_HWMON unused */
853         /* DEV_PARPORT  "parport" no longer used */
854         { CTL_DIR,      DEV_RAID,       "raid",         bin_raid_table },
855         { CTL_DIR,      DEV_MAC_HID,    "mac_hid",      bin_mac_hid_files },
856         { CTL_DIR,      DEV_SCSI,       "scsi",         bin_scsi_table },
857         { CTL_DIR,      DEV_IPMI,       "ipmi",         bin_ipmi_table },
858         {}
859 };
860
861 static const struct bin_table bin_bus_isa_table[] = {
862         { CTL_INT,      BUS_ISA_MEM_BASE,       "membase" },
863         { CTL_INT,      BUS_ISA_PORT_BASE,      "portbase" },
864         { CTL_INT,      BUS_ISA_PORT_SHIFT,     "portshift" },
865         {}
866 };
867
868 static const struct bin_table bin_bus_table[] = {
869         { CTL_DIR,      CTL_BUS_ISA,    "isa",  bin_bus_isa_table },
870         {}
871 };
872
873
874 static const struct bin_table bin_s390dbf_table[] = {
875         { CTL_INT,      5678 /* CTL_S390DBF_STOPPABLE */, "debug_stoppable" },
876         { CTL_INT,      5679 /* CTL_S390DBF_ACTIVE */,    "debug_active" },
877         {}
878 };
879
880 static const struct bin_table bin_sunrpc_table[] = {
881         /* CTL_RPCDEBUG "rpc_debug"  no longer used */
882         /* CTL_NFSDEBUG "nfs_debug"  no longer used */
883         /* CTL_NFSDDEBUG "nfsd_debug" no longer used  */
884         /* CTL_NLMDEBUG "nlm_debug" no longer used */
885
886         { CTL_INT,      CTL_SLOTTABLE_UDP,      "udp_slot_table_entries" },
887         { CTL_INT,      CTL_SLOTTABLE_TCP,      "tcp_slot_table_entries" },
888         { CTL_INT,      CTL_MIN_RESVPORT,       "min_resvport" },
889         { CTL_INT,      CTL_MAX_RESVPORT,       "max_resvport" },
890         {}
891 };
892
893 static const struct bin_table bin_pm_table[] = {
894         /* frv specific */
895         /* 1 == CTL_PM_SUSPEND  "suspend"  no longer used" */
896         { CTL_INT,      2 /* CTL_PM_CMODE */,           "cmode" },
897         { CTL_INT,      3 /* CTL_PM_P0 */,              "p0" },
898         { CTL_INT,      4 /* CTL_PM_CM */,              "cm" },
899         {}
900 };
901
902 static const struct bin_table bin_root_table[] = {
903         { CTL_DIR,      CTL_KERN,       "kernel",       bin_kern_table },
904         { CTL_DIR,      CTL_VM,         "vm",           bin_vm_table },
905         { CTL_DIR,      CTL_NET,        "net",          bin_net_table },
906         /* CTL_PROC not used */
907         { CTL_DIR,      CTL_FS,         "fs",           bin_fs_table },
908         /* CTL_DEBUG "debug" no longer used */
909         { CTL_DIR,      CTL_DEV,        "dev",          bin_dev_table },
910         { CTL_DIR,      CTL_BUS,        "bus",          bin_bus_table },
911         { CTL_DIR,      CTL_ABI,        "abi" },
912         /* CTL_CPU not used */
913         /* CTL_ARLAN "arlan" no longer used */
914         { CTL_DIR,      CTL_S390DBF,    "s390dbf",      bin_s390dbf_table },
915         { CTL_DIR,      CTL_SUNRPC,     "sunrpc",       bin_sunrpc_table },
916         { CTL_DIR,      CTL_PM,         "pm",           bin_pm_table },
917         {}
918 };
919
920 static ssize_t bin_dir(struct file *file,
921         void __user *oldval, size_t oldlen, void __user *newval, size_t newlen)
922 {
923         return -ENOTDIR;
924 }
925
926
927 static ssize_t bin_string(struct file *file,
928         void __user *oldval, size_t oldlen, void __user *newval, size_t newlen)
929 {
930         ssize_t result, copied = 0;
931
932         if (oldval && oldlen) {
933                 char __user *lastp;
934                 loff_t pos = 0;
935                 int ch;
936
937                 result = vfs_read(file, oldval, oldlen, &pos);
938                 if (result < 0)
939                         goto out;
940
941                 copied = result;
942                 lastp = oldval + copied - 1;
943
944                 result = -EFAULT;
945                 if (get_user(ch, lastp))
946                         goto out;
947
948                 /* Trim off the trailing newline */
949                 if (ch == '\n') {
950                         result = -EFAULT;
951                         if (put_user('\0', lastp))
952                                 goto out;
953                         copied -= 1;
954                 }
955         }
956
957         if (newval && newlen) {
958                 loff_t pos = 0;
959
960                 result = vfs_write(file, newval, newlen, &pos);
961                 if (result < 0)
962                         goto out;
963         }
964
965         result = copied;
966 out:
967         return result;
968 }
969
970 static ssize_t bin_intvec(struct file *file,
971         void __user *oldval, size_t oldlen, void __user *newval, size_t newlen)
972 {
973         mm_segment_t old_fs = get_fs();
974         ssize_t copied = 0;
975         char *buffer;
976         ssize_t result;
977
978         result = -ENOMEM;
979         buffer = kmalloc(BUFSZ, GFP_KERNEL);
980         if (!buffer)
981                 goto out;
982
983         if (oldval && oldlen) {
984                 unsigned __user *vec = oldval;
985                 size_t length = oldlen / sizeof(*vec);
986                 loff_t pos = 0;
987                 char *str, *end;
988                 int i;
989
990                 set_fs(KERNEL_DS);
991                 result = vfs_read(file, buffer, BUFSZ - 1, &pos);
992                 set_fs(old_fs);
993                 if (result < 0)
994                         goto out_kfree;
995
996                 str = buffer;
997                 end = str + result;
998                 *end++ = '\0';
999                 for (i = 0; i < length; i++) {
1000                         unsigned long value;
1001
1002                         value = simple_strtoul(str, &str, 10);
1003                         while (isspace(*str))
1004                                 str++;
1005                         
1006                         result = -EFAULT;
1007                         if (put_user(value, vec + i))
1008                                 goto out_kfree;
1009
1010                         copied += sizeof(*vec);
1011                         if (!isdigit(*str))
1012                                 break;
1013                 }
1014         }
1015
1016         if (newval && newlen) {
1017                 unsigned __user *vec = newval;
1018                 size_t length = newlen / sizeof(*vec);
1019                 loff_t pos = 0;
1020                 char *str, *end;
1021                 int i;
1022
1023                 str = buffer;
1024                 end = str + BUFSZ;
1025                 for (i = 0; i < length; i++) {
1026                         unsigned long value;
1027
1028                         result = -EFAULT;
1029                         if (get_user(value, vec + i))
1030                                 goto out_kfree;
1031
1032                         str += snprintf(str, end - str, "%lu\t", value);
1033                 }
1034
1035                 set_fs(KERNEL_DS);
1036                 result = vfs_write(file, buffer, str - buffer, &pos);
1037                 set_fs(old_fs);
1038                 if (result < 0)
1039                         goto out_kfree;
1040         }
1041         result = copied;
1042 out_kfree:
1043         kfree(buffer);
1044 out:
1045         return result;
1046 }
1047
1048 static ssize_t bin_ulongvec(struct file *file,
1049         void __user *oldval, size_t oldlen, void __user *newval, size_t newlen)
1050 {
1051         mm_segment_t old_fs = get_fs();
1052         ssize_t copied = 0;
1053         char *buffer;
1054         ssize_t result;
1055
1056         result = -ENOMEM;
1057         buffer = kmalloc(BUFSZ, GFP_KERNEL);
1058         if (!buffer)
1059                 goto out;
1060
1061         if (oldval && oldlen) {
1062                 unsigned long __user *vec = oldval;
1063                 size_t length = oldlen / sizeof(*vec);
1064                 loff_t pos = 0;
1065                 char *str, *end;
1066                 int i;
1067
1068                 set_fs(KERNEL_DS);
1069                 result = vfs_read(file, buffer, BUFSZ - 1, &pos);
1070                 set_fs(old_fs);
1071                 if (result < 0)
1072                         goto out_kfree;
1073
1074                 str = buffer;
1075                 end = str + result;
1076                 *end++ = '\0';
1077                 for (i = 0; i < length; i++) {
1078                         unsigned long value;
1079
1080                         value = simple_strtoul(str, &str, 10);
1081                         while (isspace(*str))
1082                                 str++;
1083                         
1084                         result = -EFAULT;
1085                         if (put_user(value, vec + i))
1086                                 goto out_kfree;
1087
1088                         copied += sizeof(*vec);
1089                         if (!isdigit(*str))
1090                                 break;
1091                 }
1092         }
1093
1094         if (newval && newlen) {
1095                 unsigned long __user *vec = newval;
1096                 size_t length = newlen / sizeof(*vec);
1097                 loff_t pos = 0;
1098                 char *str, *end;
1099                 int i;
1100
1101                 str = buffer;
1102                 end = str + BUFSZ;
1103                 for (i = 0; i < length; i++) {
1104                         unsigned long value;
1105
1106                         result = -EFAULT;
1107                         if (get_user(value, vec + i))
1108                                 goto out_kfree;
1109
1110                         str += snprintf(str, end - str, "%lu\t", value);
1111                 }
1112
1113                 set_fs(KERNEL_DS);
1114                 result = vfs_write(file, buffer, str - buffer, &pos);
1115                 set_fs(old_fs);
1116                 if (result < 0)
1117                         goto out_kfree;
1118         }
1119         result = copied;
1120 out_kfree:
1121         kfree(buffer);
1122 out:
1123         return result;
1124 }
1125
1126 static unsigned hex_value(int ch)
1127 {
1128         return isdigit(ch) ? ch - '0' : ((ch | 0x20) - 'a') + 10;
1129 }
1130
1131 static ssize_t bin_uuid(struct file *file,
1132         void __user *oldval, size_t oldlen, void __user *newval, size_t newlen)
1133 {
1134         mm_segment_t old_fs = get_fs();
1135         ssize_t result, copied = 0;
1136
1137         /* Only supports reads */
1138         if (oldval && oldlen) {
1139                 loff_t pos = 0;
1140                 char buf[40], *str = buf;
1141                 unsigned char uuid[16];
1142                 int i;
1143
1144                 set_fs(KERNEL_DS);
1145                 result = vfs_read(file, buf, sizeof(buf) - 1, &pos);
1146                 set_fs(old_fs);
1147                 if (result < 0)
1148                         goto out;
1149
1150                 buf[result] = '\0';
1151
1152                 /* Convert the uuid to from a string to binary */
1153                 for (i = 0; i < 16; i++) {
1154                         result = -EIO;
1155                         if (!isxdigit(str[0]) || !isxdigit(str[1]))
1156                                 goto out;
1157
1158                         uuid[i] = (hex_value(str[0]) << 4) | hex_value(str[1]);
1159                         str += 2;
1160                         if (*str == '-')
1161                                 str++;
1162                 }
1163
1164                 if (oldlen > 16)
1165                         oldlen = 16;
1166
1167                 result = -EFAULT;
1168                 if (copy_to_user(oldval, uuid, oldlen))
1169                         goto out;
1170
1171                 copied = oldlen;
1172         }
1173         result = copied;
1174 out:
1175         return result;
1176 }
1177
1178 static ssize_t bin_dn_node_address(struct file *file,
1179         void __user *oldval, size_t oldlen, void __user *newval, size_t newlen)
1180 {
1181         mm_segment_t old_fs = get_fs();
1182         ssize_t result, copied = 0;
1183
1184         if (oldval && oldlen) {
1185                 loff_t pos = 0;
1186                 char buf[15], *nodep;
1187                 unsigned long area, node;
1188                 __le16 dnaddr;
1189
1190                 set_fs(KERNEL_DS);
1191                 result = vfs_read(file, buf, sizeof(buf) - 1, &pos);
1192                 set_fs(old_fs);
1193                 if (result < 0)
1194                         goto out;
1195
1196                 buf[result] = '\0';
1197
1198                 /* Convert the decnet addresss to binary */
1199                 result = -EIO;
1200                 nodep = strchr(buf, '.') + 1;
1201                 if (!nodep)
1202                         goto out;
1203
1204                 area = simple_strtoul(buf, NULL, 10);
1205                 node = simple_strtoul(nodep, NULL, 10);
1206
1207                 result = -EIO;
1208                 if ((area > 63)||(node > 1023))
1209                         goto out;
1210
1211                 dnaddr = cpu_to_le16((area << 10) | node);
1212
1213                 result = -EFAULT;
1214                 if (put_user(dnaddr, (__le16 __user *)oldval))
1215                         goto out;
1216
1217                 copied = sizeof(dnaddr);
1218         }
1219
1220         if (newval && newlen) {
1221                 loff_t pos = 0;
1222                 __le16 dnaddr;
1223                 char buf[15];
1224                 int len;
1225
1226                 result = -EINVAL;
1227                 if (newlen != sizeof(dnaddr))
1228                         goto out;
1229
1230                 result = -EFAULT;
1231                 if (get_user(dnaddr, (__le16 __user *)newval))
1232                         goto out;
1233
1234                 len = snprintf(buf, sizeof(buf), "%hu.%hu",
1235                                 le16_to_cpu(dnaddr) >> 10,
1236                                 le16_to_cpu(dnaddr) & 0x3ff);
1237
1238                 set_fs(KERNEL_DS);
1239                 result = vfs_write(file, buf, len, &pos);
1240                 set_fs(old_fs);
1241                 if (result < 0)
1242                         goto out;
1243         }
1244
1245         result = copied;
1246 out:
1247         return result;
1248 }
1249
1250 static const struct bin_table *get_sysctl(const int *name, int nlen, char *path)
1251 {
1252         const struct bin_table *table = &bin_root_table[0];
1253         struct net *net = current->nsproxy->net_ns;
1254         int ctl_name;
1255
1256         memcpy(path, "sys/", 4);
1257         path += 4;
1258
1259 repeat:
1260         if (!nlen)
1261                 return ERR_PTR(-ENOTDIR);
1262         ctl_name = *name;
1263         name++;
1264         nlen--;
1265         for ( ; table->convert; table++) {
1266                 struct net_device *dev = NULL;
1267                 const char *procname = NULL;
1268
1269                 /* Use the well known sysctl number to proc name mapping */
1270                 if (ctl_name == table->ctl_name)
1271                         procname = table->procname;
1272
1273                 /*
1274                  * For a wild card entry map from ifindex to network
1275                  * device name.
1276                  */
1277                 else if (!table->ctl_name) {
1278                         dev = dev_get_by_index(net, ctl_name);
1279                         if (dev)
1280                                 procname = dev->name;
1281                 }
1282                 if (procname) {
1283                         int len;
1284
1285                         len = strlen(procname);
1286                         memcpy(path, procname, len);
1287                         path += len;
1288                         if (dev)
1289                                 dev_put(dev);
1290                         if (table->child) {
1291                                 *path++ = '/';
1292                                 table = table->child;
1293                                 goto repeat;
1294                         }
1295                         *path = '\0';
1296                         return table;
1297                 }
1298         }
1299         return ERR_PTR(-ENOTDIR);
1300 }
1301
1302 static char *sysctl_getname(const int *name, int nlen, const struct bin_table **tablep)
1303 {
1304         char *tmp, *result;
1305
1306         result = ERR_PTR(-ENOMEM);
1307         tmp = __getname();
1308         if (tmp) {
1309                 const struct bin_table *table = get_sysctl(name, nlen, tmp);
1310                 result = tmp;
1311                 *tablep = table;
1312                 if (IS_ERR(table)) {
1313                         __putname(tmp);
1314                         result = ERR_CAST(table);
1315                 }
1316         }
1317         return result;
1318 }
1319
1320 static ssize_t binary_sysctl(const int *name, int nlen,
1321         void __user *oldval, size_t oldlen, void __user *newval, size_t newlen)
1322 {
1323         const struct bin_table *table = NULL;
1324         struct nameidata nd;
1325         struct vfsmount *mnt;
1326         struct file *file;
1327         ssize_t result;
1328         char *pathname;
1329         int flags;
1330         int acc_mode, fmode;
1331
1332         pathname = sysctl_getname(name, nlen, &table);
1333         result = PTR_ERR(pathname);
1334         if (IS_ERR(pathname))
1335                 goto out;
1336
1337         /* How should the sysctl be accessed? */
1338         if (oldval && oldlen && newval && newlen) {
1339                 flags = O_RDWR;
1340                 acc_mode = MAY_READ | MAY_WRITE;
1341                 fmode = FMODE_READ | FMODE_WRITE;
1342         } else if (newval && newlen) {
1343                 flags = O_WRONLY;
1344                 acc_mode = MAY_WRITE;
1345                 fmode = FMODE_WRITE;
1346         } else if (oldval && oldlen) {
1347                 flags = O_RDONLY;
1348                 acc_mode = MAY_READ;
1349                 fmode = FMODE_READ;
1350         } else {
1351                 result = 0;
1352                 goto out_putname;
1353         }
1354
1355         mnt = current->nsproxy->pid_ns->proc_mnt;
1356         result = vfs_path_lookup(mnt->mnt_root, mnt, pathname, 0, &nd);
1357         if (result)
1358                 goto out_putname;
1359
1360         result = may_open(&nd.path, acc_mode, fmode);
1361         if (result)
1362                 goto out_putpath;
1363
1364         file = dentry_open(nd.path.dentry, nd.path.mnt, flags, current_cred());
1365         result = PTR_ERR(file);
1366         if (IS_ERR(file))
1367                 goto out_putname;
1368
1369         result = table->convert(file, oldval, oldlen, newval, newlen);
1370
1371         fput(file);
1372 out_putname:
1373         putname(pathname);
1374 out:
1375         return result;
1376
1377 out_putpath:
1378         path_put(&nd.path);
1379         goto out_putname;
1380 }
1381
1382
1383 #else /* CONFIG_SYSCTL_SYSCALL */
1384
1385 static ssize_t binary_sysctl(const int *name, int nlen,
1386         void __user *oldval, size_t oldlen, void __user *newval, size_t newlen)
1387 {
1388         return -ENOSYS;
1389 }
1390
1391 #endif /* CONFIG_SYSCTL_SYSCALL */
1392
1393
1394 static void deprecated_sysctl_warning(const int *name, int nlen)
1395 {
1396         int i;
1397
1398         if (printk_ratelimit()) {
1399                 printk(KERN_INFO
1400                         "warning: process `%s' used the deprecated sysctl "
1401                         "system call with ", current->comm);
1402                 for (i = 0; i < nlen; i++)
1403                         printk("%d.", name[i]);
1404                 printk("\n");
1405         }
1406         return;
1407 }
1408
1409 static ssize_t do_sysctl(int __user *args_name, int nlen,
1410         void __user *oldval, size_t oldlen, void __user *newval, size_t newlen)
1411 {
1412         int name[CTL_MAXNAME];
1413         int i;
1414
1415         /* Check args->nlen. */
1416         if (nlen < 0 || nlen > CTL_MAXNAME)
1417                 return -ENOTDIR;
1418         /* Read in the sysctl name for simplicity */
1419         for (i = 0; i < nlen; i++)
1420                 if (get_user(name[i], args_name + i))
1421                         return -EFAULT;
1422
1423         deprecated_sysctl_warning(name, nlen);
1424
1425         return binary_sysctl(name, nlen, oldval, oldlen, newval, newlen);
1426 }
1427
1428 SYSCALL_DEFINE1(sysctl, struct __sysctl_args __user *, args)
1429 {
1430         struct __sysctl_args tmp;
1431         size_t oldlen = 0;
1432         ssize_t result;
1433
1434         if (copy_from_user(&tmp, args, sizeof(tmp)))
1435                 return -EFAULT;
1436
1437         if (tmp.oldval && !tmp.oldlenp)
1438                 return -EFAULT;
1439
1440         if (tmp.oldlenp && get_user(oldlen, tmp.oldlenp))
1441                 return -EFAULT;
1442
1443         result = do_sysctl(tmp.name, tmp.nlen, tmp.oldval, oldlen,
1444                            tmp.newval, tmp.newlen);
1445
1446         if (result >= 0) {
1447                 oldlen = result;
1448                 result = 0;
1449         }
1450
1451         if (tmp.oldlenp && put_user(oldlen, tmp.oldlenp))
1452                 return -EFAULT;
1453
1454         return result;
1455 }
1456
1457
1458 #ifdef CONFIG_COMPAT
1459 #include <asm/compat.h>
1460
1461 struct compat_sysctl_args {
1462         compat_uptr_t   name;
1463         int             nlen;
1464         compat_uptr_t   oldval;
1465         compat_uptr_t   oldlenp;
1466         compat_uptr_t   newval;
1467         compat_size_t   newlen;
1468         compat_ulong_t  __unused[4];
1469 };
1470
1471 asmlinkage long compat_sys_sysctl(struct compat_sysctl_args __user *args)
1472 {
1473         struct compat_sysctl_args tmp;
1474         compat_size_t __user *compat_oldlenp;
1475         size_t oldlen = 0;
1476         ssize_t result;
1477
1478         if (copy_from_user(&tmp, args, sizeof(tmp)))
1479                 return -EFAULT;
1480
1481         if (tmp.oldval && !tmp.oldlenp)
1482                 return -EFAULT;
1483
1484         compat_oldlenp = compat_ptr(tmp.oldlenp);
1485         if (compat_oldlenp && get_user(oldlen, compat_oldlenp))
1486                 return -EFAULT;
1487
1488         result = do_sysctl(compat_ptr(tmp.name), tmp.nlen,
1489                            compat_ptr(tmp.oldval), oldlen,
1490                            compat_ptr(tmp.newval), tmp.newlen);
1491
1492         if (result >= 0) {
1493                 oldlen = result;
1494                 result = 0;
1495         }
1496
1497         if (compat_oldlenp && put_user(oldlen, compat_oldlenp))
1498                 return -EFAULT;
1499
1500         return result;
1501 }
1502
1503 #endif /* CONFIG_COMPAT */