Line data Source code
1 : #include <linux/stat.h>
2 : #include <linux/sysctl.h>
3 : #include "../fs/xfs/xfs_sysctl.h"
4 : #include <linux/sunrpc/debug.h>
5 : #include <linux/string.h>
6 : #include <linux/syscalls.h>
7 : #include <linux/namei.h>
8 : #include <linux/mount.h>
9 : #include <linux/fs.h>
10 : #include <linux/nsproxy.h>
11 : #include <linux/pid_namespace.h>
12 : #include <linux/file.h>
13 : #include <linux/ctype.h>
14 : #include <linux/netdevice.h>
15 : #include <linux/kernel.h>
16 : #include <linux/slab.h>
17 : #include <linux/compat.h>
18 :
19 : #ifdef CONFIG_SYSCTL_SYSCALL
20 :
21 : struct bin_table;
22 : typedef ssize_t bin_convert_t(struct file *file,
23 : void __user *oldval, size_t oldlen, void __user *newval, size_t newlen);
24 :
25 : static bin_convert_t bin_dir;
26 : static bin_convert_t bin_string;
27 : static bin_convert_t bin_intvec;
28 : static bin_convert_t bin_ulongvec;
29 : static bin_convert_t bin_uuid;
30 : static bin_convert_t bin_dn_node_address;
31 :
32 : #define CTL_DIR bin_dir
33 : #define CTL_STR bin_string
34 : #define CTL_INT bin_intvec
35 : #define CTL_ULONG bin_ulongvec
36 : #define CTL_UUID bin_uuid
37 : #define CTL_DNADR bin_dn_node_address
38 :
39 : #define BUFSZ 256
40 :
41 : struct bin_table {
42 : bin_convert_t *convert;
43 : int ctl_name;
44 : const char *procname;
45 : const struct bin_table *child;
46 : };
47 :
48 : static const struct bin_table bin_random_table[] = {
49 : { CTL_INT, RANDOM_POOLSIZE, "poolsize" },
50 : { CTL_INT, RANDOM_ENTROPY_COUNT, "entropy_avail" },
51 : { CTL_INT, RANDOM_READ_THRESH, "read_wakeup_threshold" },
52 : { CTL_INT, RANDOM_WRITE_THRESH, "write_wakeup_threshold" },
53 : { CTL_UUID, RANDOM_BOOT_ID, "boot_id" },
54 : { CTL_UUID, RANDOM_UUID, "uuid" },
55 : {}
56 : };
57 :
58 : static const struct bin_table bin_pty_table[] = {
59 : { CTL_INT, PTY_MAX, "max" },
60 : { CTL_INT, PTY_NR, "nr" },
61 : {}
62 : };
63 :
64 : static const struct bin_table bin_kern_table[] = {
65 : { CTL_STR, KERN_OSTYPE, "ostype" },
66 : { CTL_STR, KERN_OSRELEASE, "osrelease" },
67 : /* KERN_OSREV not used */
68 : { CTL_STR, KERN_VERSION, "version" },
69 : /* KERN_SECUREMASK not used */
70 : /* KERN_PROF not used */
71 : { CTL_STR, KERN_NODENAME, "hostname" },
72 : { CTL_STR, KERN_DOMAINNAME, "domainname" },
73 :
74 : { CTL_INT, KERN_PANIC, "panic" },
75 : { CTL_INT, KERN_REALROOTDEV, "real-root-dev" },
76 :
77 : { CTL_STR, KERN_SPARC_REBOOT, "reboot-cmd" },
78 : { CTL_INT, KERN_CTLALTDEL, "ctrl-alt-del" },
79 : { CTL_INT, KERN_PRINTK, "printk" },
80 :
81 : /* KERN_NAMETRANS not used */
82 : /* KERN_PPC_HTABRECLAIM not used */
83 : /* KERN_PPC_ZEROPAGED not used */
84 : { CTL_INT, KERN_PPC_POWERSAVE_NAP, "powersave-nap" },
85 :
86 : { CTL_STR, KERN_MODPROBE, "modprobe" },
87 : { CTL_INT, KERN_SG_BIG_BUFF, "sg-big-buff" },
88 : { CTL_INT, KERN_ACCT, "acct" },
89 : /* KERN_PPC_L2CR "l2cr" no longer used */
90 :
91 : /* KERN_RTSIGNR not used */
92 : /* KERN_RTSIGMAX not used */
93 :
94 : { CTL_ULONG, KERN_SHMMAX, "shmmax" },
95 : { CTL_INT, KERN_MSGMAX, "msgmax" },
96 : { CTL_INT, KERN_MSGMNB, "msgmnb" },
97 : /* KERN_MSGPOOL not used*/
98 : { CTL_INT, KERN_SYSRQ, "sysrq" },
99 : { CTL_INT, KERN_MAX_THREADS, "threads-max" },
100 : { CTL_DIR, KERN_RANDOM, "random", bin_random_table },
101 : { CTL_ULONG, KERN_SHMALL, "shmall" },
102 : { CTL_INT, KERN_MSGMNI, "msgmni" },
103 : { CTL_INT, KERN_SEM, "sem" },
104 : { CTL_INT, KERN_SPARC_STOP_A, "stop-a" },
105 : { CTL_INT, KERN_SHMMNI, "shmmni" },
106 :
107 : { CTL_INT, KERN_OVERFLOWUID, "overflowuid" },
108 : { CTL_INT, KERN_OVERFLOWGID, "overflowgid" },
109 :
110 : { CTL_STR, KERN_HOTPLUG, "hotplug", },
111 : { CTL_INT, KERN_IEEE_EMULATION_WARNINGS, "ieee_emulation_warnings" },
112 :
113 : { CTL_INT, KERN_S390_USER_DEBUG_LOGGING, "userprocess_debug" },
114 : { CTL_INT, KERN_CORE_USES_PID, "core_uses_pid" },
115 : /* KERN_TAINTED "tainted" no longer used */
116 : { CTL_INT, KERN_CADPID, "cad_pid" },
117 : { CTL_INT, KERN_PIDMAX, "pid_max" },
118 : { CTL_STR, KERN_CORE_PATTERN, "core_pattern" },
119 : { CTL_INT, KERN_PANIC_ON_OOPS, "panic_on_oops" },
120 : { CTL_INT, KERN_HPPA_PWRSW, "soft-power" },
121 : { CTL_INT, KERN_HPPA_UNALIGNED, "unaligned-trap" },
122 :
123 : { CTL_INT, KERN_PRINTK_RATELIMIT, "printk_ratelimit" },
124 : { CTL_INT, KERN_PRINTK_RATELIMIT_BURST, "printk_ratelimit_burst" },
125 :
126 : { CTL_DIR, KERN_PTY, "pty", bin_pty_table },
127 : { CTL_INT, KERN_NGROUPS_MAX, "ngroups_max" },
128 : { CTL_INT, KERN_SPARC_SCONS_PWROFF, "scons-poweroff" },
129 : /* KERN_HZ_TIMER "hz_timer" no longer used */
130 : { CTL_INT, KERN_UNKNOWN_NMI_PANIC, "unknown_nmi_panic" },
131 : { CTL_INT, KERN_BOOTLOADER_TYPE, "bootloader_type" },
132 : { CTL_INT, KERN_RANDOMIZE, "randomize_va_space" },
133 :
134 : { CTL_INT, KERN_SPIN_RETRY, "spin_retry" },
135 : /* KERN_ACPI_VIDEO_FLAGS "acpi_video_flags" no longer used */
136 : { CTL_INT, KERN_IA64_UNALIGNED, "ignore-unaligned-usertrap" },
137 : { CTL_INT, KERN_COMPAT_LOG, "compat-log" },
138 : { CTL_INT, KERN_MAX_LOCK_DEPTH, "max_lock_depth" },
139 : { CTL_INT, KERN_PANIC_ON_NMI, "panic_on_unrecovered_nmi" },
140 : { CTL_INT, KERN_PANIC_ON_WARN, "panic_on_warn" },
141 : {}
142 : };
143 :
144 : static const struct bin_table bin_vm_table[] = {
145 : { CTL_INT, VM_OVERCOMMIT_MEMORY, "overcommit_memory" },
146 : { CTL_INT, VM_PAGE_CLUSTER, "page-cluster" },
147 : { CTL_INT, VM_DIRTY_BACKGROUND, "dirty_background_ratio" },
148 : { CTL_INT, VM_DIRTY_RATIO, "dirty_ratio" },
149 : /* VM_DIRTY_WB_CS "dirty_writeback_centisecs" no longer used */
150 : /* VM_DIRTY_EXPIRE_CS "dirty_expire_centisecs" no longer used */
151 : /* VM_NR_PDFLUSH_THREADS "nr_pdflush_threads" no longer used */
152 : { CTL_INT, VM_OVERCOMMIT_RATIO, "overcommit_ratio" },
153 : /* VM_PAGEBUF unused */
154 : /* VM_HUGETLB_PAGES "nr_hugepages" no longer used */
155 : { CTL_INT, VM_SWAPPINESS, "swappiness" },
156 : { CTL_INT, VM_LOWMEM_RESERVE_RATIO, "lowmem_reserve_ratio" },
157 : { CTL_INT, VM_MIN_FREE_KBYTES, "min_free_kbytes" },
158 : { CTL_INT, VM_MAX_MAP_COUNT, "max_map_count" },
159 : { CTL_INT, VM_LAPTOP_MODE, "laptop_mode" },
160 : { CTL_INT, VM_BLOCK_DUMP, "block_dump" },
161 : { CTL_INT, VM_HUGETLB_GROUP, "hugetlb_shm_group" },
162 : { CTL_INT, VM_VFS_CACHE_PRESSURE, "vfs_cache_pressure" },
163 : { CTL_INT, VM_LEGACY_VA_LAYOUT, "legacy_va_layout" },
164 : /* VM_SWAP_TOKEN_TIMEOUT unused */
165 : { CTL_INT, VM_DROP_PAGECACHE, "drop_caches" },
166 : { CTL_INT, VM_PERCPU_PAGELIST_FRACTION, "percpu_pagelist_fraction" },
167 : { CTL_INT, VM_ZONE_RECLAIM_MODE, "zone_reclaim_mode" },
168 : { CTL_INT, VM_MIN_UNMAPPED, "min_unmapped_ratio" },
169 : { CTL_INT, VM_PANIC_ON_OOM, "panic_on_oom" },
170 : { CTL_INT, VM_VDSO_ENABLED, "vdso_enabled" },
171 : { CTL_INT, VM_MIN_SLAB, "min_slab_ratio" },
172 :
173 : {}
174 : };
175 :
176 : static const struct bin_table bin_net_core_table[] = {
177 : { CTL_INT, NET_CORE_WMEM_MAX, "wmem_max" },
178 : { CTL_INT, NET_CORE_RMEM_MAX, "rmem_max" },
179 : { CTL_INT, NET_CORE_WMEM_DEFAULT, "wmem_default" },
180 : { CTL_INT, NET_CORE_RMEM_DEFAULT, "rmem_default" },
181 : /* NET_CORE_DESTROY_DELAY unused */
182 : { CTL_INT, NET_CORE_MAX_BACKLOG, "netdev_max_backlog" },
183 : /* NET_CORE_FASTROUTE unused */
184 : { CTL_INT, NET_CORE_MSG_COST, "message_cost" },
185 : { CTL_INT, NET_CORE_MSG_BURST, "message_burst" },
186 : { CTL_INT, NET_CORE_OPTMEM_MAX, "optmem_max" },
187 : /* NET_CORE_HOT_LIST_LENGTH unused */
188 : /* NET_CORE_DIVERT_VERSION unused */
189 : /* NET_CORE_NO_CONG_THRESH unused */
190 : /* NET_CORE_NO_CONG unused */
191 : /* NET_CORE_LO_CONG unused */
192 : /* NET_CORE_MOD_CONG unused */
193 : { CTL_INT, NET_CORE_DEV_WEIGHT, "dev_weight" },
194 : { CTL_INT, NET_CORE_SOMAXCONN, "somaxconn" },
195 : { CTL_INT, NET_CORE_BUDGET, "netdev_budget" },
196 : { CTL_INT, NET_CORE_AEVENT_ETIME, "xfrm_aevent_etime" },
197 : { CTL_INT, NET_CORE_AEVENT_RSEQTH, "xfrm_aevent_rseqth" },
198 : { CTL_INT, NET_CORE_WARNINGS, "warnings" },
199 : {},
200 : };
201 :
202 : static const struct bin_table bin_net_unix_table[] = {
203 : /* NET_UNIX_DESTROY_DELAY unused */
204 : /* NET_UNIX_DELETE_DELAY unused */
205 : { CTL_INT, NET_UNIX_MAX_DGRAM_QLEN, "max_dgram_qlen" },
206 : {}
207 : };
208 :
209 : static const struct bin_table bin_net_ipv4_route_table[] = {
210 : { CTL_INT, NET_IPV4_ROUTE_FLUSH, "flush" },
211 : /* NET_IPV4_ROUTE_MIN_DELAY "min_delay" no longer used */
212 : /* NET_IPV4_ROUTE_MAX_DELAY "max_delay" no longer used */
213 : { CTL_INT, NET_IPV4_ROUTE_GC_THRESH, "gc_thresh" },
214 : { CTL_INT, NET_IPV4_ROUTE_MAX_SIZE, "max_size" },
215 : { CTL_INT, NET_IPV4_ROUTE_GC_MIN_INTERVAL, "gc_min_interval" },
216 : { CTL_INT, NET_IPV4_ROUTE_GC_MIN_INTERVAL_MS, "gc_min_interval_ms" },
217 : { CTL_INT, NET_IPV4_ROUTE_GC_TIMEOUT, "gc_timeout" },
218 : /* NET_IPV4_ROUTE_GC_INTERVAL "gc_interval" no longer used */
219 : { CTL_INT, NET_IPV4_ROUTE_REDIRECT_LOAD, "redirect_load" },
220 : { CTL_INT, NET_IPV4_ROUTE_REDIRECT_NUMBER, "redirect_number" },
221 : { CTL_INT, NET_IPV4_ROUTE_REDIRECT_SILENCE, "redirect_silence" },
222 : { CTL_INT, NET_IPV4_ROUTE_ERROR_COST, "error_cost" },
223 : { CTL_INT, NET_IPV4_ROUTE_ERROR_BURST, "error_burst" },
224 : { CTL_INT, NET_IPV4_ROUTE_GC_ELASTICITY, "gc_elasticity" },
225 : { CTL_INT, NET_IPV4_ROUTE_MTU_EXPIRES, "mtu_expires" },
226 : { CTL_INT, NET_IPV4_ROUTE_MIN_PMTU, "min_pmtu" },
227 : { CTL_INT, NET_IPV4_ROUTE_MIN_ADVMSS, "min_adv_mss" },
228 : {}
229 : };
230 :
231 : static const struct bin_table bin_net_ipv4_conf_vars_table[] = {
232 : { CTL_INT, NET_IPV4_CONF_FORWARDING, "forwarding" },
233 : { CTL_INT, NET_IPV4_CONF_MC_FORWARDING, "mc_forwarding" },
234 :
235 : { CTL_INT, NET_IPV4_CONF_ACCEPT_REDIRECTS, "accept_redirects" },
236 : { CTL_INT, NET_IPV4_CONF_SECURE_REDIRECTS, "secure_redirects" },
237 : { CTL_INT, NET_IPV4_CONF_SEND_REDIRECTS, "send_redirects" },
238 : { CTL_INT, NET_IPV4_CONF_SHARED_MEDIA, "shared_media" },
239 : { CTL_INT, NET_IPV4_CONF_RP_FILTER, "rp_filter" },
240 : { CTL_INT, NET_IPV4_CONF_ACCEPT_SOURCE_ROUTE, "accept_source_route" },
241 : { CTL_INT, NET_IPV4_CONF_PROXY_ARP, "proxy_arp" },
242 : { CTL_INT, NET_IPV4_CONF_MEDIUM_ID, "medium_id" },
243 : { CTL_INT, NET_IPV4_CONF_BOOTP_RELAY, "bootp_relay" },
244 : { CTL_INT, NET_IPV4_CONF_LOG_MARTIANS, "log_martians" },
245 : { CTL_INT, NET_IPV4_CONF_TAG, "tag" },
246 : { CTL_INT, NET_IPV4_CONF_ARPFILTER, "arp_filter" },
247 : { CTL_INT, NET_IPV4_CONF_ARP_ANNOUNCE, "arp_announce" },
248 : { CTL_INT, NET_IPV4_CONF_ARP_IGNORE, "arp_ignore" },
249 : { CTL_INT, NET_IPV4_CONF_ARP_ACCEPT, "arp_accept" },
250 : { CTL_INT, NET_IPV4_CONF_ARP_NOTIFY, "arp_notify" },
251 :
252 : { CTL_INT, NET_IPV4_CONF_NOXFRM, "disable_xfrm" },
253 : { CTL_INT, NET_IPV4_CONF_NOPOLICY, "disable_policy" },
254 : { CTL_INT, NET_IPV4_CONF_FORCE_IGMP_VERSION, "force_igmp_version" },
255 : { CTL_INT, NET_IPV4_CONF_PROMOTE_SECONDARIES, "promote_secondaries" },
256 : {}
257 : };
258 :
259 : static const struct bin_table bin_net_ipv4_conf_table[] = {
260 : { CTL_DIR, NET_PROTO_CONF_ALL, "all", bin_net_ipv4_conf_vars_table },
261 : { CTL_DIR, NET_PROTO_CONF_DEFAULT, "default", bin_net_ipv4_conf_vars_table },
262 : { CTL_DIR, 0, NULL, bin_net_ipv4_conf_vars_table },
263 : {}
264 : };
265 :
266 : static const struct bin_table bin_net_neigh_vars_table[] = {
267 : { CTL_INT, NET_NEIGH_MCAST_SOLICIT, "mcast_solicit" },
268 : { CTL_INT, NET_NEIGH_UCAST_SOLICIT, "ucast_solicit" },
269 : { CTL_INT, NET_NEIGH_APP_SOLICIT, "app_solicit" },
270 : /* NET_NEIGH_RETRANS_TIME "retrans_time" no longer used */
271 : { CTL_INT, NET_NEIGH_REACHABLE_TIME, "base_reachable_time" },
272 : { CTL_INT, NET_NEIGH_DELAY_PROBE_TIME, "delay_first_probe_time" },
273 : { CTL_INT, NET_NEIGH_GC_STALE_TIME, "gc_stale_time" },
274 : { CTL_INT, NET_NEIGH_UNRES_QLEN, "unres_qlen" },
275 : { CTL_INT, NET_NEIGH_PROXY_QLEN, "proxy_qlen" },
276 : /* NET_NEIGH_ANYCAST_DELAY "anycast_delay" no longer used */
277 : /* NET_NEIGH_PROXY_DELAY "proxy_delay" no longer used */
278 : /* NET_NEIGH_LOCKTIME "locktime" no longer used */
279 : { CTL_INT, NET_NEIGH_GC_INTERVAL, "gc_interval" },
280 : { CTL_INT, NET_NEIGH_GC_THRESH1, "gc_thresh1" },
281 : { CTL_INT, NET_NEIGH_GC_THRESH2, "gc_thresh2" },
282 : { CTL_INT, NET_NEIGH_GC_THRESH3, "gc_thresh3" },
283 : { CTL_INT, NET_NEIGH_RETRANS_TIME_MS, "retrans_time_ms" },
284 : { CTL_INT, NET_NEIGH_REACHABLE_TIME_MS, "base_reachable_time_ms" },
285 : {}
286 : };
287 :
288 : static const struct bin_table bin_net_neigh_table[] = {
289 : { CTL_DIR, NET_PROTO_CONF_DEFAULT, "default", bin_net_neigh_vars_table },
290 : { CTL_DIR, 0, NULL, bin_net_neigh_vars_table },
291 : {}
292 : };
293 :
294 : static const struct bin_table bin_net_ipv4_netfilter_table[] = {
295 : { CTL_INT, NET_IPV4_NF_CONNTRACK_MAX, "ip_conntrack_max" },
296 :
297 : /* NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_SYN_SENT "ip_conntrack_tcp_timeout_syn_sent" no longer used */
298 : /* NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_SYN_RECV "ip_conntrack_tcp_timeout_syn_recv" no longer used */
299 : /* NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_ESTABLISHED "ip_conntrack_tcp_timeout_established" no longer used */
300 : /* NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_FIN_WAIT "ip_conntrack_tcp_timeout_fin_wait" no longer used */
301 : /* NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_CLOSE_WAIT "ip_conntrack_tcp_timeout_close_wait" no longer used */
302 : /* NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_LAST_ACK "ip_conntrack_tcp_timeout_last_ack" no longer used */
303 : /* NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_TIME_WAIT "ip_conntrack_tcp_timeout_time_wait" no longer used */
304 : /* NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_CLOSE "ip_conntrack_tcp_timeout_close" no longer used */
305 :
306 : /* NET_IPV4_NF_CONNTRACK_UDP_TIMEOUT "ip_conntrack_udp_timeout" no longer used */
307 : /* NET_IPV4_NF_CONNTRACK_UDP_TIMEOUT_STREAM "ip_conntrack_udp_timeout_stream" no longer used */
308 : /* NET_IPV4_NF_CONNTRACK_ICMP_TIMEOUT "ip_conntrack_icmp_timeout" no longer used */
309 : /* NET_IPV4_NF_CONNTRACK_GENERIC_TIMEOUT "ip_conntrack_generic_timeout" no longer used */
310 :
311 : { CTL_INT, NET_IPV4_NF_CONNTRACK_BUCKETS, "ip_conntrack_buckets" },
312 : { CTL_INT, NET_IPV4_NF_CONNTRACK_LOG_INVALID, "ip_conntrack_log_invalid" },
313 : /* NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_MAX_RETRANS "ip_conntrack_tcp_timeout_max_retrans" no longer used */
314 : { CTL_INT, NET_IPV4_NF_CONNTRACK_TCP_LOOSE, "ip_conntrack_tcp_loose" },
315 : { CTL_INT, NET_IPV4_NF_CONNTRACK_TCP_BE_LIBERAL, "ip_conntrack_tcp_be_liberal" },
316 : { CTL_INT, NET_IPV4_NF_CONNTRACK_TCP_MAX_RETRANS, "ip_conntrack_tcp_max_retrans" },
317 :
318 : /* NET_IPV4_NF_CONNTRACK_SCTP_TIMEOUT_CLOSED "ip_conntrack_sctp_timeout_closed" no longer used */
319 : /* NET_IPV4_NF_CONNTRACK_SCTP_TIMEOUT_COOKIE_WAIT "ip_conntrack_sctp_timeout_cookie_wait" no longer used */
320 : /* NET_IPV4_NF_CONNTRACK_SCTP_TIMEOUT_COOKIE_ECHOED "ip_conntrack_sctp_timeout_cookie_echoed" no longer used */
321 : /* NET_IPV4_NF_CONNTRACK_SCTP_TIMEOUT_ESTABLISHED "ip_conntrack_sctp_timeout_established" no longer used */
322 : /* NET_IPV4_NF_CONNTRACK_SCTP_TIMEOUT_SHUTDOWN_SENT "ip_conntrack_sctp_timeout_shutdown_sent" no longer used */
323 : /* NET_IPV4_NF_CONNTRACK_SCTP_TIMEOUT_SHUTDOWN_RECD "ip_conntrack_sctp_timeout_shutdown_recd" no longer used */
324 : /* NET_IPV4_NF_CONNTRACK_SCTP_TIMEOUT_SHUTDOWN_ACK_SENT "ip_conntrack_sctp_timeout_shutdown_ack_sent" no longer used */
325 :
326 : { CTL_INT, NET_IPV4_NF_CONNTRACK_COUNT, "ip_conntrack_count" },
327 : { CTL_INT, NET_IPV4_NF_CONNTRACK_CHECKSUM, "ip_conntrack_checksum" },
328 : {}
329 : };
330 :
331 : static const struct bin_table bin_net_ipv4_table[] = {
332 : {CTL_INT, NET_IPV4_FORWARD, "ip_forward" },
333 :
334 : { CTL_DIR, NET_IPV4_CONF, "conf", bin_net_ipv4_conf_table },
335 : { CTL_DIR, NET_IPV4_NEIGH, "neigh", bin_net_neigh_table },
336 : { CTL_DIR, NET_IPV4_ROUTE, "route", bin_net_ipv4_route_table },
337 : /* NET_IPV4_FIB_HASH unused */
338 : { CTL_DIR, NET_IPV4_NETFILTER, "netfilter", bin_net_ipv4_netfilter_table },
339 :
340 : { CTL_INT, NET_IPV4_TCP_TIMESTAMPS, "tcp_timestamps" },
341 : { CTL_INT, NET_IPV4_TCP_WINDOW_SCALING, "tcp_window_scaling" },
342 : { CTL_INT, NET_IPV4_TCP_SACK, "tcp_sack" },
343 : { CTL_INT, NET_IPV4_TCP_RETRANS_COLLAPSE, "tcp_retrans_collapse" },
344 : { CTL_INT, NET_IPV4_DEFAULT_TTL, "ip_default_ttl" },
345 : /* NET_IPV4_AUTOCONFIG unused */
346 : { CTL_INT, NET_IPV4_NO_PMTU_DISC, "ip_no_pmtu_disc" },
347 : { CTL_INT, NET_IPV4_NONLOCAL_BIND, "ip_nonlocal_bind" },
348 : { CTL_INT, NET_IPV4_TCP_SYN_RETRIES, "tcp_syn_retries" },
349 : { CTL_INT, NET_TCP_SYNACK_RETRIES, "tcp_synack_retries" },
350 : { CTL_INT, NET_TCP_MAX_ORPHANS, "tcp_max_orphans" },
351 : { CTL_INT, NET_TCP_MAX_TW_BUCKETS, "tcp_max_tw_buckets" },
352 : { CTL_INT, NET_IPV4_DYNADDR, "ip_dynaddr" },
353 : { CTL_INT, NET_IPV4_TCP_KEEPALIVE_TIME, "tcp_keepalive_time" },
354 : { CTL_INT, NET_IPV4_TCP_KEEPALIVE_PROBES, "tcp_keepalive_probes" },
355 : { CTL_INT, NET_IPV4_TCP_KEEPALIVE_INTVL, "tcp_keepalive_intvl" },
356 : { CTL_INT, NET_IPV4_TCP_RETRIES1, "tcp_retries1" },
357 : { CTL_INT, NET_IPV4_TCP_RETRIES2, "tcp_retries2" },
358 : { CTL_INT, NET_IPV4_TCP_FIN_TIMEOUT, "tcp_fin_timeout" },
359 : { CTL_INT, NET_TCP_SYNCOOKIES, "tcp_syncookies" },
360 : { CTL_INT, NET_TCP_TW_RECYCLE, "tcp_tw_recycle" },
361 : { CTL_INT, NET_TCP_ABORT_ON_OVERFLOW, "tcp_abort_on_overflow" },
362 : { CTL_INT, NET_TCP_STDURG, "tcp_stdurg" },
363 : { CTL_INT, NET_TCP_RFC1337, "tcp_rfc1337" },
364 : { CTL_INT, NET_TCP_MAX_SYN_BACKLOG, "tcp_max_syn_backlog" },
365 : { CTL_INT, NET_IPV4_LOCAL_PORT_RANGE, "ip_local_port_range" },
366 : { CTL_INT, NET_IPV4_IGMP_MAX_MEMBERSHIPS, "igmp_max_memberships" },
367 : { CTL_INT, NET_IPV4_IGMP_MAX_MSF, "igmp_max_msf" },
368 : { CTL_INT, NET_IPV4_INET_PEER_THRESHOLD, "inet_peer_threshold" },
369 : { CTL_INT, NET_IPV4_INET_PEER_MINTTL, "inet_peer_minttl" },
370 : { CTL_INT, NET_IPV4_INET_PEER_MAXTTL, "inet_peer_maxttl" },
371 : { CTL_INT, NET_IPV4_INET_PEER_GC_MINTIME, "inet_peer_gc_mintime" },
372 : { CTL_INT, NET_IPV4_INET_PEER_GC_MAXTIME, "inet_peer_gc_maxtime" },
373 : { CTL_INT, NET_TCP_ORPHAN_RETRIES, "tcp_orphan_retries" },
374 : { CTL_INT, NET_TCP_FACK, "tcp_fack" },
375 : { CTL_INT, NET_TCP_REORDERING, "tcp_reordering" },
376 : { CTL_INT, NET_TCP_ECN, "tcp_ecn" },
377 : { CTL_INT, NET_TCP_DSACK, "tcp_dsack" },
378 : { CTL_INT, NET_TCP_MEM, "tcp_mem" },
379 : { CTL_INT, NET_TCP_WMEM, "tcp_wmem" },
380 : { CTL_INT, NET_TCP_RMEM, "tcp_rmem" },
381 : { CTL_INT, NET_TCP_APP_WIN, "tcp_app_win" },
382 : { CTL_INT, NET_TCP_ADV_WIN_SCALE, "tcp_adv_win_scale" },
383 : { CTL_INT, NET_TCP_TW_REUSE, "tcp_tw_reuse" },
384 : { CTL_INT, NET_TCP_FRTO, "tcp_frto" },
385 : { CTL_INT, NET_TCP_FRTO_RESPONSE, "tcp_frto_response" },
386 : { CTL_INT, NET_TCP_LOW_LATENCY, "tcp_low_latency" },
387 : { CTL_INT, NET_TCP_NO_METRICS_SAVE, "tcp_no_metrics_save" },
388 : { CTL_INT, NET_TCP_MODERATE_RCVBUF, "tcp_moderate_rcvbuf" },
389 : { CTL_INT, NET_TCP_TSO_WIN_DIVISOR, "tcp_tso_win_divisor" },
390 : { CTL_STR, NET_TCP_CONG_CONTROL, "tcp_congestion_control" },
391 : { CTL_INT, NET_TCP_MTU_PROBING, "tcp_mtu_probing" },
392 : { CTL_INT, NET_TCP_BASE_MSS, "tcp_base_mss" },
393 : { CTL_INT, NET_IPV4_TCP_WORKAROUND_SIGNED_WINDOWS, "tcp_workaround_signed_windows" },
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 : { CTL_INT, NET_IPV6_ACCEPT_RA_FROM_LOCAL, "accept_ra_from_local" },
526 : {}
527 : };
528 :
529 : static const struct bin_table bin_net_ipv6_conf_table[] = {
530 : { CTL_DIR, NET_PROTO_CONF_ALL, "all", bin_net_ipv6_conf_var_table },
531 : { CTL_DIR, NET_PROTO_CONF_DEFAULT, "default", bin_net_ipv6_conf_var_table },
532 : { CTL_DIR, 0, NULL, bin_net_ipv6_conf_var_table },
533 : {}
534 : };
535 :
536 : static const struct bin_table bin_net_ipv6_route_table[] = {
537 : /* NET_IPV6_ROUTE_FLUSH "flush" no longer used */
538 : { CTL_INT, NET_IPV6_ROUTE_GC_THRESH, "gc_thresh" },
539 : { CTL_INT, NET_IPV6_ROUTE_MAX_SIZE, "max_size" },
540 : { CTL_INT, NET_IPV6_ROUTE_GC_MIN_INTERVAL, "gc_min_interval" },
541 : { CTL_INT, NET_IPV6_ROUTE_GC_TIMEOUT, "gc_timeout" },
542 : { CTL_INT, NET_IPV6_ROUTE_GC_INTERVAL, "gc_interval" },
543 : { CTL_INT, NET_IPV6_ROUTE_GC_ELASTICITY, "gc_elasticity" },
544 : { CTL_INT, NET_IPV6_ROUTE_MTU_EXPIRES, "mtu_expires" },
545 : { CTL_INT, NET_IPV6_ROUTE_MIN_ADVMSS, "min_adv_mss" },
546 : { CTL_INT, NET_IPV6_ROUTE_GC_MIN_INTERVAL_MS, "gc_min_interval_ms" },
547 : {}
548 : };
549 :
550 : static const struct bin_table bin_net_ipv6_icmp_table[] = {
551 : { CTL_INT, NET_IPV6_ICMP_RATELIMIT, "ratelimit" },
552 : {}
553 : };
554 :
555 : static const struct bin_table bin_net_ipv6_table[] = {
556 : { CTL_DIR, NET_IPV6_CONF, "conf", bin_net_ipv6_conf_table },
557 : { CTL_DIR, NET_IPV6_NEIGH, "neigh", bin_net_neigh_table },
558 : { CTL_DIR, NET_IPV6_ROUTE, "route", bin_net_ipv6_route_table },
559 : { CTL_DIR, NET_IPV6_ICMP, "icmp", bin_net_ipv6_icmp_table },
560 : { CTL_INT, NET_IPV6_BINDV6ONLY, "bindv6only" },
561 : { CTL_INT, NET_IPV6_IP6FRAG_HIGH_THRESH, "ip6frag_high_thresh" },
562 : { CTL_INT, NET_IPV6_IP6FRAG_LOW_THRESH, "ip6frag_low_thresh" },
563 : { CTL_INT, NET_IPV6_IP6FRAG_TIME, "ip6frag_time" },
564 : { CTL_INT, NET_IPV6_IP6FRAG_SECRET_INTERVAL, "ip6frag_secret_interval" },
565 : { CTL_INT, NET_IPV6_MLD_MAX_MSF, "mld_max_msf" },
566 : { CTL_INT, 2088 /* IPQ_QMAX */, "ip6_queue_maxlen" },
567 : {}
568 : };
569 :
570 : static const struct bin_table bin_net_x25_table[] = {
571 : { CTL_INT, NET_X25_RESTART_REQUEST_TIMEOUT, "restart_request_timeout" },
572 : { CTL_INT, NET_X25_CALL_REQUEST_TIMEOUT, "call_request_timeout" },
573 : { CTL_INT, NET_X25_RESET_REQUEST_TIMEOUT, "reset_request_timeout" },
574 : { CTL_INT, NET_X25_CLEAR_REQUEST_TIMEOUT, "clear_request_timeout" },
575 : { CTL_INT, NET_X25_ACK_HOLD_BACK_TIMEOUT, "acknowledgement_hold_back_timeout" },
576 : { CTL_INT, NET_X25_FORWARD, "x25_forward" },
577 : {}
578 : };
579 :
580 : static const struct bin_table bin_net_tr_table[] = {
581 : { CTL_INT, NET_TR_RIF_TIMEOUT, "rif_timeout" },
582 : {}
583 : };
584 :
585 :
586 : static const struct bin_table bin_net_decnet_conf_vars[] = {
587 : { CTL_INT, NET_DECNET_CONF_DEV_FORWARDING, "forwarding" },
588 : { CTL_INT, NET_DECNET_CONF_DEV_PRIORITY, "priority" },
589 : { CTL_INT, NET_DECNET_CONF_DEV_T2, "t2" },
590 : { CTL_INT, NET_DECNET_CONF_DEV_T3, "t3" },
591 : {}
592 : };
593 :
594 : static const struct bin_table bin_net_decnet_conf[] = {
595 : { CTL_DIR, NET_DECNET_CONF_ETHER, "ethernet", bin_net_decnet_conf_vars },
596 : { CTL_DIR, NET_DECNET_CONF_GRE, "ipgre", bin_net_decnet_conf_vars },
597 : { CTL_DIR, NET_DECNET_CONF_X25, "x25", bin_net_decnet_conf_vars },
598 : { CTL_DIR, NET_DECNET_CONF_PPP, "ppp", bin_net_decnet_conf_vars },
599 : { CTL_DIR, NET_DECNET_CONF_DDCMP, "ddcmp", bin_net_decnet_conf_vars },
600 : { CTL_DIR, NET_DECNET_CONF_LOOPBACK, "loopback", bin_net_decnet_conf_vars },
601 : { CTL_DIR, 0, NULL, bin_net_decnet_conf_vars },
602 : {}
603 : };
604 :
605 : static const struct bin_table bin_net_decnet_table[] = {
606 : { CTL_DIR, NET_DECNET_CONF, "conf", bin_net_decnet_conf },
607 : { CTL_DNADR, NET_DECNET_NODE_ADDRESS, "node_address" },
608 : { CTL_STR, NET_DECNET_NODE_NAME, "node_name" },
609 : { CTL_STR, NET_DECNET_DEFAULT_DEVICE, "default_device" },
610 : { CTL_INT, NET_DECNET_TIME_WAIT, "time_wait" },
611 : { CTL_INT, NET_DECNET_DN_COUNT, "dn_count" },
612 : { CTL_INT, NET_DECNET_DI_COUNT, "di_count" },
613 : { CTL_INT, NET_DECNET_DR_COUNT, "dr_count" },
614 : { CTL_INT, NET_DECNET_DST_GC_INTERVAL, "dst_gc_interval" },
615 : { CTL_INT, NET_DECNET_NO_FC_MAX_CWND, "no_fc_max_cwnd" },
616 : { CTL_INT, NET_DECNET_MEM, "decnet_mem" },
617 : { CTL_INT, NET_DECNET_RMEM, "decnet_rmem" },
618 : { CTL_INT, NET_DECNET_WMEM, "decnet_wmem" },
619 : { CTL_INT, NET_DECNET_DEBUG_LEVEL, "debug" },
620 : {}
621 : };
622 :
623 : static const struct bin_table bin_net_sctp_table[] = {
624 : { CTL_INT, NET_SCTP_RTO_INITIAL, "rto_initial" },
625 : { CTL_INT, NET_SCTP_RTO_MIN, "rto_min" },
626 : { CTL_INT, NET_SCTP_RTO_MAX, "rto_max" },
627 : { CTL_INT, NET_SCTP_RTO_ALPHA, "rto_alpha_exp_divisor" },
628 : { CTL_INT, NET_SCTP_RTO_BETA, "rto_beta_exp_divisor" },
629 : { CTL_INT, NET_SCTP_VALID_COOKIE_LIFE, "valid_cookie_life" },
630 : { CTL_INT, NET_SCTP_ASSOCIATION_MAX_RETRANS, "association_max_retrans" },
631 : { CTL_INT, NET_SCTP_PATH_MAX_RETRANS, "path_max_retrans" },
632 : { CTL_INT, NET_SCTP_MAX_INIT_RETRANSMITS, "max_init_retransmits" },
633 : { CTL_INT, NET_SCTP_HB_INTERVAL, "hb_interval" },
634 : { CTL_INT, NET_SCTP_PRESERVE_ENABLE, "cookie_preserve_enable" },
635 : { CTL_INT, NET_SCTP_MAX_BURST, "max_burst" },
636 : { CTL_INT, NET_SCTP_ADDIP_ENABLE, "addip_enable" },
637 : { CTL_INT, NET_SCTP_PRSCTP_ENABLE, "prsctp_enable" },
638 : { CTL_INT, NET_SCTP_SNDBUF_POLICY, "sndbuf_policy" },
639 : { CTL_INT, NET_SCTP_SACK_TIMEOUT, "sack_timeout" },
640 : { CTL_INT, NET_SCTP_RCVBUF_POLICY, "rcvbuf_policy" },
641 : {}
642 : };
643 :
644 : static const struct bin_table bin_net_llc_llc2_timeout_table[] = {
645 : { CTL_INT, NET_LLC2_ACK_TIMEOUT, "ack" },
646 : { CTL_INT, NET_LLC2_P_TIMEOUT, "p" },
647 : { CTL_INT, NET_LLC2_REJ_TIMEOUT, "rej" },
648 : { CTL_INT, NET_LLC2_BUSY_TIMEOUT, "busy" },
649 : {}
650 : };
651 :
652 : static const struct bin_table bin_net_llc_station_table[] = {
653 : { CTL_INT, NET_LLC_STATION_ACK_TIMEOUT, "ack_timeout" },
654 : {}
655 : };
656 :
657 : static const struct bin_table bin_net_llc_llc2_table[] = {
658 : { CTL_DIR, NET_LLC2, "timeout", bin_net_llc_llc2_timeout_table },
659 : {}
660 : };
661 :
662 : static const struct bin_table bin_net_llc_table[] = {
663 : { CTL_DIR, NET_LLC2, "llc2", bin_net_llc_llc2_table },
664 : { CTL_DIR, NET_LLC_STATION, "station", bin_net_llc_station_table },
665 : {}
666 : };
667 :
668 : static const struct bin_table bin_net_netfilter_table[] = {
669 : { CTL_INT, NET_NF_CONNTRACK_MAX, "nf_conntrack_max" },
670 : /* NET_NF_CONNTRACK_TCP_TIMEOUT_SYN_SENT "nf_conntrack_tcp_timeout_syn_sent" no longer used */
671 : /* NET_NF_CONNTRACK_TCP_TIMEOUT_SYN_RECV "nf_conntrack_tcp_timeout_syn_recv" no longer used */
672 : /* NET_NF_CONNTRACK_TCP_TIMEOUT_ESTABLISHED "nf_conntrack_tcp_timeout_established" no longer used */
673 : /* NET_NF_CONNTRACK_TCP_TIMEOUT_FIN_WAIT "nf_conntrack_tcp_timeout_fin_wait" no longer used */
674 : /* NET_NF_CONNTRACK_TCP_TIMEOUT_CLOSE_WAIT "nf_conntrack_tcp_timeout_close_wait" no longer used */
675 : /* NET_NF_CONNTRACK_TCP_TIMEOUT_LAST_ACK "nf_conntrack_tcp_timeout_last_ack" no longer used */
676 : /* NET_NF_CONNTRACK_TCP_TIMEOUT_TIME_WAIT "nf_conntrack_tcp_timeout_time_wait" no longer used */
677 : /* NET_NF_CONNTRACK_TCP_TIMEOUT_CLOSE "nf_conntrack_tcp_timeout_close" no longer used */
678 : /* NET_NF_CONNTRACK_UDP_TIMEOUT "nf_conntrack_udp_timeout" no longer used */
679 : /* NET_NF_CONNTRACK_UDP_TIMEOUT_STREAM "nf_conntrack_udp_timeout_stream" no longer used */
680 : /* NET_NF_CONNTRACK_ICMP_TIMEOUT "nf_conntrack_icmp_timeout" no longer used */
681 : /* NET_NF_CONNTRACK_GENERIC_TIMEOUT "nf_conntrack_generic_timeout" no longer used */
682 : { CTL_INT, NET_NF_CONNTRACK_BUCKETS, "nf_conntrack_buckets" },
683 : { CTL_INT, NET_NF_CONNTRACK_LOG_INVALID, "nf_conntrack_log_invalid" },
684 : /* NET_NF_CONNTRACK_TCP_TIMEOUT_MAX_RETRANS "nf_conntrack_tcp_timeout_max_retrans" no longer used */
685 : { CTL_INT, NET_NF_CONNTRACK_TCP_LOOSE, "nf_conntrack_tcp_loose" },
686 : { CTL_INT, NET_NF_CONNTRACK_TCP_BE_LIBERAL, "nf_conntrack_tcp_be_liberal" },
687 : { CTL_INT, NET_NF_CONNTRACK_TCP_MAX_RETRANS, "nf_conntrack_tcp_max_retrans" },
688 : /* NET_NF_CONNTRACK_SCTP_TIMEOUT_CLOSED "nf_conntrack_sctp_timeout_closed" no longer used */
689 : /* NET_NF_CONNTRACK_SCTP_TIMEOUT_COOKIE_WAIT "nf_conntrack_sctp_timeout_cookie_wait" no longer used */
690 : /* NET_NF_CONNTRACK_SCTP_TIMEOUT_COOKIE_ECHOED "nf_conntrack_sctp_timeout_cookie_echoed" no longer used */
691 : /* NET_NF_CONNTRACK_SCTP_TIMEOUT_ESTABLISHED "nf_conntrack_sctp_timeout_established" no longer used */
692 : /* NET_NF_CONNTRACK_SCTP_TIMEOUT_SHUTDOWN_SENT "nf_conntrack_sctp_timeout_shutdown_sent" no longer used */
693 : /* NET_NF_CONNTRACK_SCTP_TIMEOUT_SHUTDOWN_RECD "nf_conntrack_sctp_timeout_shutdown_recd" no longer used */
694 : /* NET_NF_CONNTRACK_SCTP_TIMEOUT_SHUTDOWN_ACK_SENT "nf_conntrack_sctp_timeout_shutdown_ack_sent" no longer used */
695 : { CTL_INT, NET_NF_CONNTRACK_COUNT, "nf_conntrack_count" },
696 : /* NET_NF_CONNTRACK_ICMPV6_TIMEOUT "nf_conntrack_icmpv6_timeout" no longer used */
697 : /* NET_NF_CONNTRACK_FRAG6_TIMEOUT "nf_conntrack_frag6_timeout" no longer used */
698 : { CTL_INT, NET_NF_CONNTRACK_FRAG6_LOW_THRESH, "nf_conntrack_frag6_low_thresh" },
699 : { CTL_INT, NET_NF_CONNTRACK_FRAG6_HIGH_THRESH, "nf_conntrack_frag6_high_thresh" },
700 : { CTL_INT, NET_NF_CONNTRACK_CHECKSUM, "nf_conntrack_checksum" },
701 :
702 : {}
703 : };
704 :
705 : static const struct bin_table bin_net_irda_table[] = {
706 : { CTL_INT, NET_IRDA_DISCOVERY, "discovery" },
707 : { CTL_STR, NET_IRDA_DEVNAME, "devname" },
708 : { CTL_INT, NET_IRDA_DEBUG, "debug" },
709 : { CTL_INT, NET_IRDA_FAST_POLL, "fast_poll_increase" },
710 : { CTL_INT, NET_IRDA_DISCOVERY_SLOTS, "discovery_slots" },
711 : { CTL_INT, NET_IRDA_DISCOVERY_TIMEOUT, "discovery_timeout" },
712 : { CTL_INT, NET_IRDA_SLOT_TIMEOUT, "slot_timeout" },
713 : { CTL_INT, NET_IRDA_MAX_BAUD_RATE, "max_baud_rate" },
714 : { CTL_INT, NET_IRDA_MIN_TX_TURN_TIME, "min_tx_turn_time" },
715 : { CTL_INT, NET_IRDA_MAX_TX_DATA_SIZE, "max_tx_data_size" },
716 : { CTL_INT, NET_IRDA_MAX_TX_WINDOW, "max_tx_window" },
717 : { CTL_INT, NET_IRDA_MAX_NOREPLY_TIME, "max_noreply_time" },
718 : { CTL_INT, NET_IRDA_WARN_NOREPLY_TIME, "warn_noreply_time" },
719 : { CTL_INT, NET_IRDA_LAP_KEEPALIVE_TIME, "lap_keepalive_time" },
720 : {}
721 : };
722 :
723 : static const struct bin_table bin_net_table[] = {
724 : { CTL_DIR, NET_CORE, "core", bin_net_core_table },
725 : /* NET_ETHER not used */
726 : /* NET_802 not used */
727 : { CTL_DIR, NET_UNIX, "unix", bin_net_unix_table },
728 : { CTL_DIR, NET_IPV4, "ipv4", bin_net_ipv4_table },
729 : { CTL_DIR, NET_IPX, "ipx", bin_net_ipx_table },
730 : { CTL_DIR, NET_ATALK, "appletalk", bin_net_atalk_table },
731 : { CTL_DIR, NET_NETROM, "netrom", bin_net_netrom_table },
732 : { CTL_DIR, NET_AX25, "ax25", bin_net_ax25_table },
733 : /* NET_BRIDGE "bridge" no longer used */
734 : { CTL_DIR, NET_ROSE, "rose", bin_net_rose_table },
735 : { CTL_DIR, NET_IPV6, "ipv6", bin_net_ipv6_table },
736 : { CTL_DIR, NET_X25, "x25", bin_net_x25_table },
737 : { CTL_DIR, NET_TR, "token-ring", bin_net_tr_table },
738 : { CTL_DIR, NET_DECNET, "decnet", bin_net_decnet_table },
739 : /* NET_ECONET not used */
740 : { CTL_DIR, NET_SCTP, "sctp", bin_net_sctp_table },
741 : { CTL_DIR, NET_LLC, "llc", bin_net_llc_table },
742 : { CTL_DIR, NET_NETFILTER, "netfilter", bin_net_netfilter_table },
743 : /* NET_DCCP "dccp" no longer used */
744 : { CTL_DIR, NET_IRDA, "irda", bin_net_irda_table },
745 : { CTL_INT, 2089, "nf_conntrack_max" },
746 : {}
747 : };
748 :
749 : static const struct bin_table bin_fs_quota_table[] = {
750 : { CTL_INT, FS_DQ_LOOKUPS, "lookups" },
751 : { CTL_INT, FS_DQ_DROPS, "drops" },
752 : { CTL_INT, FS_DQ_READS, "reads" },
753 : { CTL_INT, FS_DQ_WRITES, "writes" },
754 : { CTL_INT, FS_DQ_CACHE_HITS, "cache_hits" },
755 : { CTL_INT, FS_DQ_ALLOCATED, "allocated_dquots" },
756 : { CTL_INT, FS_DQ_FREE, "free_dquots" },
757 : { CTL_INT, FS_DQ_SYNCS, "syncs" },
758 : { CTL_INT, FS_DQ_WARNINGS, "warnings" },
759 : {}
760 : };
761 :
762 : static const struct bin_table bin_fs_xfs_table[] = {
763 : { CTL_INT, XFS_SGID_INHERIT, "irix_sgid_inherit" },
764 : { CTL_INT, XFS_SYMLINK_MODE, "irix_symlink_mode" },
765 : { CTL_INT, XFS_PANIC_MASK, "panic_mask" },
766 :
767 : { CTL_INT, XFS_ERRLEVEL, "error_level" },
768 : { CTL_INT, XFS_SYNCD_TIMER, "xfssyncd_centisecs" },
769 : { CTL_INT, XFS_INHERIT_SYNC, "inherit_sync" },
770 : { CTL_INT, XFS_INHERIT_NODUMP, "inherit_nodump" },
771 : { CTL_INT, XFS_INHERIT_NOATIME, "inherit_noatime" },
772 : { CTL_INT, XFS_BUF_TIMER, "xfsbufd_centisecs" },
773 : { CTL_INT, XFS_BUF_AGE, "age_buffer_centisecs" },
774 : { CTL_INT, XFS_INHERIT_NOSYM, "inherit_nosymlinks" },
775 : { CTL_INT, XFS_ROTORSTEP, "rotorstep" },
776 : { CTL_INT, XFS_INHERIT_NODFRG, "inherit_nodefrag" },
777 : { CTL_INT, XFS_FILESTREAM_TIMER, "filestream_centisecs" },
778 : { CTL_INT, XFS_STATS_CLEAR, "stats_clear" },
779 : {}
780 : };
781 :
782 : static const struct bin_table bin_fs_ocfs2_nm_table[] = {
783 : { CTL_STR, 1, "hb_ctl_path" },
784 : {}
785 : };
786 :
787 : static const struct bin_table bin_fs_ocfs2_table[] = {
788 : { CTL_DIR, 1, "nm", bin_fs_ocfs2_nm_table },
789 : {}
790 : };
791 :
792 : static const struct bin_table bin_inotify_table[] = {
793 : { CTL_INT, INOTIFY_MAX_USER_INSTANCES, "max_user_instances" },
794 : { CTL_INT, INOTIFY_MAX_USER_WATCHES, "max_user_watches" },
795 : { CTL_INT, INOTIFY_MAX_QUEUED_EVENTS, "max_queued_events" },
796 : {}
797 : };
798 :
799 : static const struct bin_table bin_fs_table[] = {
800 : { CTL_INT, FS_NRINODE, "inode-nr" },
801 : { CTL_INT, FS_STATINODE, "inode-state" },
802 : /* FS_MAXINODE unused */
803 : /* FS_NRDQUOT unused */
804 : /* FS_MAXDQUOT unused */
805 : /* FS_NRFILE "file-nr" no longer used */
806 : { CTL_INT, FS_MAXFILE, "file-max" },
807 : { CTL_INT, FS_DENTRY, "dentry-state" },
808 : /* FS_NRSUPER unused */
809 : /* FS_MAXUPSER unused */
810 : { CTL_INT, FS_OVERFLOWUID, "overflowuid" },
811 : { CTL_INT, FS_OVERFLOWGID, "overflowgid" },
812 : { CTL_INT, FS_LEASES, "leases-enable" },
813 : { CTL_INT, FS_DIR_NOTIFY, "dir-notify-enable" },
814 : { CTL_INT, FS_LEASE_TIME, "lease-break-time" },
815 : { CTL_DIR, FS_DQSTATS, "quota", bin_fs_quota_table },
816 : { CTL_DIR, FS_XFS, "xfs", bin_fs_xfs_table },
817 : { CTL_ULONG, FS_AIO_NR, "aio-nr" },
818 : { CTL_ULONG, FS_AIO_MAX_NR, "aio-max-nr" },
819 : { CTL_DIR, FS_INOTIFY, "inotify", bin_inotify_table },
820 : { CTL_DIR, FS_OCFS2, "ocfs2", bin_fs_ocfs2_table },
821 : { CTL_INT, KERN_SETUID_DUMPABLE, "suid_dumpable" },
822 : {}
823 : };
824 :
825 : static const struct bin_table bin_ipmi_table[] = {
826 : { CTL_INT, DEV_IPMI_POWEROFF_POWERCYCLE, "poweroff_powercycle" },
827 : {}
828 : };
829 :
830 : static const struct bin_table bin_mac_hid_files[] = {
831 : /* DEV_MAC_HID_KEYBOARD_SENDS_LINUX_KEYCODES unused */
832 : /* DEV_MAC_HID_KEYBOARD_LOCK_KEYCODES unused */
833 : { CTL_INT, DEV_MAC_HID_MOUSE_BUTTON_EMULATION, "mouse_button_emulation" },
834 : { CTL_INT, DEV_MAC_HID_MOUSE_BUTTON2_KEYCODE, "mouse_button2_keycode" },
835 : { CTL_INT, DEV_MAC_HID_MOUSE_BUTTON3_KEYCODE, "mouse_button3_keycode" },
836 : /* DEV_MAC_HID_ADB_MOUSE_SENDS_KEYCODES unused */
837 : {}
838 : };
839 :
840 : static const struct bin_table bin_raid_table[] = {
841 : { CTL_INT, DEV_RAID_SPEED_LIMIT_MIN, "speed_limit_min" },
842 : { CTL_INT, DEV_RAID_SPEED_LIMIT_MAX, "speed_limit_max" },
843 : {}
844 : };
845 :
846 : static const struct bin_table bin_scsi_table[] = {
847 : { CTL_INT, DEV_SCSI_LOGGING_LEVEL, "logging_level" },
848 : {}
849 : };
850 :
851 : static const struct bin_table bin_dev_table[] = {
852 : /* DEV_CDROM "cdrom" no longer used */
853 : /* DEV_HWMON unused */
854 : /* DEV_PARPORT "parport" no longer used */
855 : { CTL_DIR, DEV_RAID, "raid", bin_raid_table },
856 : { CTL_DIR, DEV_MAC_HID, "mac_hid", bin_mac_hid_files },
857 : { CTL_DIR, DEV_SCSI, "scsi", bin_scsi_table },
858 : { CTL_DIR, DEV_IPMI, "ipmi", bin_ipmi_table },
859 : {}
860 : };
861 :
862 : static const struct bin_table bin_bus_isa_table[] = {
863 : { CTL_INT, BUS_ISA_MEM_BASE, "membase" },
864 : { CTL_INT, BUS_ISA_PORT_BASE, "portbase" },
865 : { CTL_INT, BUS_ISA_PORT_SHIFT, "portshift" },
866 : {}
867 : };
868 :
869 : static const struct bin_table bin_bus_table[] = {
870 : { CTL_DIR, CTL_BUS_ISA, "isa", bin_bus_isa_table },
871 : {}
872 : };
873 :
874 :
875 : static const struct bin_table bin_s390dbf_table[] = {
876 : { CTL_INT, 5678 /* CTL_S390DBF_STOPPABLE */, "debug_stoppable" },
877 : { CTL_INT, 5679 /* CTL_S390DBF_ACTIVE */, "debug_active" },
878 : {}
879 : };
880 :
881 : static const struct bin_table bin_sunrpc_table[] = {
882 : /* CTL_RPCDEBUG "rpc_debug" no longer used */
883 : /* CTL_NFSDEBUG "nfs_debug" no longer used */
884 : /* CTL_NFSDDEBUG "nfsd_debug" no longer used */
885 : /* CTL_NLMDEBUG "nlm_debug" no longer used */
886 :
887 : { CTL_INT, CTL_SLOTTABLE_UDP, "udp_slot_table_entries" },
888 : { CTL_INT, CTL_SLOTTABLE_TCP, "tcp_slot_table_entries" },
889 : { CTL_INT, CTL_MIN_RESVPORT, "min_resvport" },
890 : { CTL_INT, CTL_MAX_RESVPORT, "max_resvport" },
891 : {}
892 : };
893 :
894 : static const struct bin_table bin_pm_table[] = {
895 : /* frv specific */
896 : /* 1 == CTL_PM_SUSPEND "suspend" no longer used" */
897 : { CTL_INT, 2 /* CTL_PM_CMODE */, "cmode" },
898 : { CTL_INT, 3 /* CTL_PM_P0 */, "p0" },
899 : { CTL_INT, 4 /* CTL_PM_CM */, "cm" },
900 : {}
901 : };
902 :
903 : static const struct bin_table bin_root_table[] = {
904 : { CTL_DIR, CTL_KERN, "kernel", bin_kern_table },
905 : { CTL_DIR, CTL_VM, "vm", bin_vm_table },
906 : { CTL_DIR, CTL_NET, "net", bin_net_table },
907 : /* CTL_PROC not used */
908 : { CTL_DIR, CTL_FS, "fs", bin_fs_table },
909 : /* CTL_DEBUG "debug" no longer used */
910 : { CTL_DIR, CTL_DEV, "dev", bin_dev_table },
911 : { CTL_DIR, CTL_BUS, "bus", bin_bus_table },
912 : { CTL_DIR, CTL_ABI, "abi" },
913 : /* CTL_CPU not used */
914 : /* CTL_ARLAN "arlan" no longer used */
915 : { CTL_DIR, CTL_S390DBF, "s390dbf", bin_s390dbf_table },
916 : { CTL_DIR, CTL_SUNRPC, "sunrpc", bin_sunrpc_table },
917 : { CTL_DIR, CTL_PM, "pm", bin_pm_table },
918 : {}
919 : };
920 :
921 : static ssize_t bin_dir(struct file *file,
922 : void __user *oldval, size_t oldlen, void __user *newval, size_t newlen)
923 : {
924 : return -ENOTDIR;
925 : }
926 :
927 :
928 : static ssize_t bin_string(struct file *file,
929 : void __user *oldval, size_t oldlen, void __user *newval, size_t newlen)
930 : {
931 : ssize_t result, copied = 0;
932 :
933 : if (oldval && oldlen) {
934 : char __user *lastp;
935 : loff_t pos = 0;
936 : int ch;
937 :
938 : result = vfs_read(file, oldval, oldlen, &pos);
939 : if (result < 0)
940 : goto out;
941 :
942 : copied = result;
943 : lastp = oldval + copied - 1;
944 :
945 : result = -EFAULT;
946 : if (get_user(ch, lastp))
947 : goto out;
948 :
949 : /* Trim off the trailing newline */
950 : if (ch == '\n') {
951 : result = -EFAULT;
952 : if (put_user('\0', lastp))
953 : goto out;
954 : copied -= 1;
955 : }
956 : }
957 :
958 : if (newval && newlen) {
959 : loff_t pos = 0;
960 :
961 : result = vfs_write(file, newval, newlen, &pos);
962 : if (result < 0)
963 : goto out;
964 : }
965 :
966 : result = copied;
967 : out:
968 : return result;
969 : }
970 :
971 : static ssize_t bin_intvec(struct file *file,
972 : void __user *oldval, size_t oldlen, void __user *newval, size_t newlen)
973 : {
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 : char *str, *end;
987 : int i;
988 :
989 : result = kernel_read(file, 0, buffer, BUFSZ - 1);
990 : if (result < 0)
991 : goto out_kfree;
992 :
993 : str = buffer;
994 : end = str + result;
995 : *end++ = '\0';
996 : for (i = 0; i < length; i++) {
997 : unsigned long value;
998 :
999 : value = simple_strtoul(str, &str, 10);
1000 : while (isspace(*str))
1001 : str++;
1002 :
1003 : result = -EFAULT;
1004 : if (put_user(value, vec + i))
1005 : goto out_kfree;
1006 :
1007 : copied += sizeof(*vec);
1008 : if (!isdigit(*str))
1009 : break;
1010 : }
1011 : }
1012 :
1013 : if (newval && newlen) {
1014 : unsigned __user *vec = newval;
1015 : size_t length = newlen / sizeof(*vec);
1016 : char *str, *end;
1017 : int i;
1018 :
1019 : str = buffer;
1020 : end = str + BUFSZ;
1021 : for (i = 0; i < length; i++) {
1022 : unsigned long value;
1023 :
1024 : result = -EFAULT;
1025 : if (get_user(value, vec + i))
1026 : goto out_kfree;
1027 :
1028 : str += scnprintf(str, end - str, "%lu\t", value);
1029 : }
1030 :
1031 : result = kernel_write(file, buffer, str - buffer, 0);
1032 : if (result < 0)
1033 : goto out_kfree;
1034 : }
1035 : result = copied;
1036 : out_kfree:
1037 : kfree(buffer);
1038 : out:
1039 : return result;
1040 : }
1041 :
1042 : static ssize_t bin_ulongvec(struct file *file,
1043 : void __user *oldval, size_t oldlen, void __user *newval, size_t newlen)
1044 : {
1045 : ssize_t copied = 0;
1046 : char *buffer;
1047 : ssize_t result;
1048 :
1049 : result = -ENOMEM;
1050 : buffer = kmalloc(BUFSZ, GFP_KERNEL);
1051 : if (!buffer)
1052 : goto out;
1053 :
1054 : if (oldval && oldlen) {
1055 : unsigned long __user *vec = oldval;
1056 : size_t length = oldlen / sizeof(*vec);
1057 : char *str, *end;
1058 : int i;
1059 :
1060 : result = kernel_read(file, 0, buffer, BUFSZ - 1);
1061 : if (result < 0)
1062 : goto out_kfree;
1063 :
1064 : str = buffer;
1065 : end = str + result;
1066 : *end++ = '\0';
1067 : for (i = 0; i < length; i++) {
1068 : unsigned long value;
1069 :
1070 : value = simple_strtoul(str, &str, 10);
1071 : while (isspace(*str))
1072 : str++;
1073 :
1074 : result = -EFAULT;
1075 : if (put_user(value, vec + i))
1076 : goto out_kfree;
1077 :
1078 : copied += sizeof(*vec);
1079 : if (!isdigit(*str))
1080 : break;
1081 : }
1082 : }
1083 :
1084 : if (newval && newlen) {
1085 : unsigned long __user *vec = newval;
1086 : size_t length = newlen / sizeof(*vec);
1087 : char *str, *end;
1088 : int i;
1089 :
1090 : str = buffer;
1091 : end = str + BUFSZ;
1092 : for (i = 0; i < length; i++) {
1093 : unsigned long value;
1094 :
1095 : result = -EFAULT;
1096 : if (get_user(value, vec + i))
1097 : goto out_kfree;
1098 :
1099 : str += scnprintf(str, end - str, "%lu\t", value);
1100 : }
1101 :
1102 : result = kernel_write(file, buffer, str - buffer, 0);
1103 : if (result < 0)
1104 : goto out_kfree;
1105 : }
1106 : result = copied;
1107 : out_kfree:
1108 : kfree(buffer);
1109 : out:
1110 : return result;
1111 : }
1112 :
1113 : static ssize_t bin_uuid(struct file *file,
1114 : void __user *oldval, size_t oldlen, void __user *newval, size_t newlen)
1115 : {
1116 : ssize_t result, copied = 0;
1117 :
1118 : /* Only supports reads */
1119 : if (oldval && oldlen) {
1120 : char buf[40], *str = buf;
1121 : unsigned char uuid[16];
1122 : int i;
1123 :
1124 : result = kernel_read(file, 0, buf, sizeof(buf) - 1);
1125 : if (result < 0)
1126 : goto out;
1127 :
1128 : buf[result] = '\0';
1129 :
1130 : /* Convert the uuid to from a string to binary */
1131 : for (i = 0; i < 16; i++) {
1132 : result = -EIO;
1133 : if (!isxdigit(str[0]) || !isxdigit(str[1]))
1134 : goto out;
1135 :
1136 : uuid[i] = (hex_to_bin(str[0]) << 4) |
1137 : hex_to_bin(str[1]);
1138 : str += 2;
1139 : if (*str == '-')
1140 : str++;
1141 : }
1142 :
1143 : if (oldlen > 16)
1144 : oldlen = 16;
1145 :
1146 : result = -EFAULT;
1147 : if (copy_to_user(oldval, uuid, oldlen))
1148 : goto out;
1149 :
1150 : copied = oldlen;
1151 : }
1152 : result = copied;
1153 : out:
1154 : return result;
1155 : }
1156 :
1157 : static ssize_t bin_dn_node_address(struct file *file,
1158 : void __user *oldval, size_t oldlen, void __user *newval, size_t newlen)
1159 : {
1160 : ssize_t result, copied = 0;
1161 :
1162 : if (oldval && oldlen) {
1163 : char buf[15], *nodep;
1164 : unsigned long area, node;
1165 : __le16 dnaddr;
1166 :
1167 : result = kernel_read(file, 0, buf, sizeof(buf) - 1);
1168 : if (result < 0)
1169 : goto out;
1170 :
1171 : buf[result] = '\0';
1172 :
1173 : /* Convert the decnet address to binary */
1174 : result = -EIO;
1175 : nodep = strchr(buf, '.');
1176 : if (!nodep)
1177 : goto out;
1178 : ++nodep;
1179 :
1180 : area = simple_strtoul(buf, NULL, 10);
1181 : node = simple_strtoul(nodep, NULL, 10);
1182 :
1183 : result = -EIO;
1184 : if ((area > 63)||(node > 1023))
1185 : goto out;
1186 :
1187 : dnaddr = cpu_to_le16((area << 10) | node);
1188 :
1189 : result = -EFAULT;
1190 : if (put_user(dnaddr, (__le16 __user *)oldval))
1191 : goto out;
1192 :
1193 : copied = sizeof(dnaddr);
1194 : }
1195 :
1196 : if (newval && newlen) {
1197 : __le16 dnaddr;
1198 : char buf[15];
1199 : int len;
1200 :
1201 : result = -EINVAL;
1202 : if (newlen != sizeof(dnaddr))
1203 : goto out;
1204 :
1205 : result = -EFAULT;
1206 : if (get_user(dnaddr, (__le16 __user *)newval))
1207 : goto out;
1208 :
1209 : len = scnprintf(buf, sizeof(buf), "%hu.%hu",
1210 : le16_to_cpu(dnaddr) >> 10,
1211 : le16_to_cpu(dnaddr) & 0x3ff);
1212 :
1213 : result = kernel_write(file, buf, len, 0);
1214 : if (result < 0)
1215 : goto out;
1216 : }
1217 :
1218 : result = copied;
1219 : out:
1220 : return result;
1221 : }
1222 :
1223 : static const struct bin_table *get_sysctl(const int *name, int nlen, char *path)
1224 : {
1225 : const struct bin_table *table = &bin_root_table[0];
1226 : int ctl_name;
1227 :
1228 : /* The binary sysctl tables have a small maximum depth so
1229 : * there is no danger of overflowing our path as it PATH_MAX
1230 : * bytes long.
1231 : */
1232 : memcpy(path, "sys/", 4);
1233 : path += 4;
1234 :
1235 : repeat:
1236 : if (!nlen)
1237 : return ERR_PTR(-ENOTDIR);
1238 : ctl_name = *name;
1239 : name++;
1240 : nlen--;
1241 : for ( ; table->convert; table++) {
1242 : int len = 0;
1243 :
1244 : /*
1245 : * For a wild card entry map from ifindex to network
1246 : * device name.
1247 : */
1248 : if (!table->ctl_name) {
1249 : #ifdef CONFIG_NET
1250 : struct net *net = current->nsproxy->net_ns;
1251 : struct net_device *dev;
1252 : dev = dev_get_by_index(net, ctl_name);
1253 : if (dev) {
1254 : len = strlen(dev->name);
1255 : memcpy(path, dev->name, len);
1256 : dev_put(dev);
1257 : }
1258 : #endif
1259 : /* Use the well known sysctl number to proc name mapping */
1260 : } else if (ctl_name == table->ctl_name) {
1261 : len = strlen(table->procname);
1262 : memcpy(path, table->procname, len);
1263 : }
1264 : if (len) {
1265 : path += len;
1266 : if (table->child) {
1267 : *path++ = '/';
1268 : table = table->child;
1269 : goto repeat;
1270 : }
1271 : *path = '\0';
1272 : return table;
1273 : }
1274 : }
1275 : return ERR_PTR(-ENOTDIR);
1276 : }
1277 :
1278 : static char *sysctl_getname(const int *name, int nlen, const struct bin_table **tablep)
1279 : {
1280 : char *tmp, *result;
1281 :
1282 : result = ERR_PTR(-ENOMEM);
1283 : tmp = __getname();
1284 : if (tmp) {
1285 : const struct bin_table *table = get_sysctl(name, nlen, tmp);
1286 : result = tmp;
1287 : *tablep = table;
1288 : if (IS_ERR(table)) {
1289 : __putname(tmp);
1290 : result = ERR_CAST(table);
1291 : }
1292 : }
1293 : return result;
1294 : }
1295 :
1296 : static ssize_t binary_sysctl(const int *name, int nlen,
1297 : void __user *oldval, size_t oldlen, void __user *newval, size_t newlen)
1298 : {
1299 : const struct bin_table *table = NULL;
1300 : struct vfsmount *mnt;
1301 : struct file *file;
1302 : ssize_t result;
1303 : char *pathname;
1304 : int flags;
1305 :
1306 : pathname = sysctl_getname(name, nlen, &table);
1307 : result = PTR_ERR(pathname);
1308 : if (IS_ERR(pathname))
1309 : goto out;
1310 :
1311 : /* How should the sysctl be accessed? */
1312 : if (oldval && oldlen && newval && newlen) {
1313 : flags = O_RDWR;
1314 : } else if (newval && newlen) {
1315 : flags = O_WRONLY;
1316 : } else if (oldval && oldlen) {
1317 : flags = O_RDONLY;
1318 : } else {
1319 : result = 0;
1320 : goto out_putname;
1321 : }
1322 :
1323 : mnt = task_active_pid_ns(current)->proc_mnt;
1324 : file = file_open_root(mnt->mnt_root, mnt, pathname, flags);
1325 : result = PTR_ERR(file);
1326 : if (IS_ERR(file))
1327 : goto out_putname;
1328 :
1329 : result = table->convert(file, oldval, oldlen, newval, newlen);
1330 :
1331 : fput(file);
1332 : out_putname:
1333 : __putname(pathname);
1334 : out:
1335 : return result;
1336 : }
1337 :
1338 :
1339 : #else /* CONFIG_SYSCTL_SYSCALL */
1340 :
1341 : static ssize_t binary_sysctl(const int *name, int nlen,
1342 : void __user *oldval, size_t oldlen, void __user *newval, size_t newlen)
1343 : {
1344 : return -ENOSYS;
1345 : }
1346 :
1347 : #endif /* CONFIG_SYSCTL_SYSCALL */
1348 :
1349 :
1350 0 : static void deprecated_sysctl_warning(const int *name, int nlen)
1351 : {
1352 : int i;
1353 :
1354 : /*
1355 : * CTL_KERN/KERN_VERSION is used by older glibc and cannot
1356 : * ever go away.
1357 : */
1358 0 : if (name[0] == CTL_KERN && name[1] == KERN_VERSION)
1359 : return;
1360 :
1361 0 : if (printk_ratelimit()) {
1362 0 : printk(KERN_INFO
1363 : "warning: process `%s' used the deprecated sysctl "
1364 0 : "system call with ", current->comm);
1365 0 : for (i = 0; i < nlen; i++)
1366 0 : printk("%d.", name[i]);
1367 0 : printk("\n");
1368 : }
1369 : return;
1370 : }
1371 :
1372 : #define WARN_ONCE_HASH_BITS 8
1373 : #define WARN_ONCE_HASH_SIZE (1<<WARN_ONCE_HASH_BITS)
1374 :
1375 : static DECLARE_BITMAP(warn_once_bitmap, WARN_ONCE_HASH_SIZE);
1376 :
1377 : #define FNV32_OFFSET 2166136261U
1378 : #define FNV32_PRIME 0x01000193
1379 :
1380 : /*
1381 : * Print each legacy sysctl (approximately) only once.
1382 : * To avoid making the tables non-const use a external
1383 : * hash-table instead.
1384 : * Worst case hash collision: 6, but very rarely.
1385 : * NOTE! We don't use the SMP-safe bit tests. We simply
1386 : * don't care enough.
1387 : */
1388 0 : static void warn_on_bintable(const int *name, int nlen)
1389 : {
1390 : int i;
1391 : u32 hash = FNV32_OFFSET;
1392 :
1393 0 : for (i = 0; i < nlen; i++)
1394 0 : hash = (hash ^ name[i]) * FNV32_PRIME;
1395 0 : hash %= WARN_ONCE_HASH_SIZE;
1396 0 : if (__test_and_set_bit(hash, warn_once_bitmap))
1397 0 : return;
1398 0 : deprecated_sysctl_warning(name, nlen);
1399 : }
1400 :
1401 0 : static ssize_t do_sysctl(int __user *args_name, int nlen,
1402 : void __user *oldval, size_t oldlen, void __user *newval, size_t newlen)
1403 : {
1404 : int name[CTL_MAXNAME];
1405 : int i;
1406 :
1407 : /* Check args->nlen. */
1408 0 : if (nlen < 0 || nlen > CTL_MAXNAME)
1409 : return -ENOTDIR;
1410 : /* Read in the sysctl name for simplicity */
1411 0 : for (i = 0; i < nlen; i++)
1412 0 : if (get_user(name[i], args_name + i))
1413 : return -EFAULT;
1414 :
1415 0 : warn_on_bintable(name, nlen);
1416 :
1417 : return binary_sysctl(name, nlen, oldval, oldlen, newval, newlen);
1418 : }
1419 :
1420 0 : SYSCALL_DEFINE1(sysctl, struct __sysctl_args __user *, args)
1421 : {
1422 : struct __sysctl_args tmp;
1423 : size_t oldlen = 0;
1424 : ssize_t result;
1425 :
1426 0 : if (copy_from_user(&tmp, args, sizeof(tmp)))
1427 : return -EFAULT;
1428 :
1429 0 : if (tmp.oldval && !tmp.oldlenp)
1430 : return -EFAULT;
1431 :
1432 0 : if (tmp.oldlenp && get_user(oldlen, tmp.oldlenp))
1433 : return -EFAULT;
1434 :
1435 0 : result = do_sysctl(tmp.name, tmp.nlen, tmp.oldval, oldlen,
1436 : tmp.newval, tmp.newlen);
1437 :
1438 0 : if (result >= 0) {
1439 0 : oldlen = result;
1440 : result = 0;
1441 : }
1442 :
1443 0 : if (tmp.oldlenp && put_user(oldlen, tmp.oldlenp))
1444 : return -EFAULT;
1445 :
1446 : return result;
1447 : }
1448 :
1449 :
1450 : #ifdef CONFIG_COMPAT
1451 :
1452 : struct compat_sysctl_args {
1453 : compat_uptr_t name;
1454 : int nlen;
1455 : compat_uptr_t oldval;
1456 : compat_uptr_t oldlenp;
1457 : compat_uptr_t newval;
1458 : compat_size_t newlen;
1459 : compat_ulong_t __unused[4];
1460 : };
1461 :
1462 : COMPAT_SYSCALL_DEFINE1(sysctl, struct compat_sysctl_args __user *, args)
1463 : {
1464 : struct compat_sysctl_args tmp;
1465 : compat_size_t __user *compat_oldlenp;
1466 : size_t oldlen = 0;
1467 : ssize_t result;
1468 :
1469 : if (copy_from_user(&tmp, args, sizeof(tmp)))
1470 : return -EFAULT;
1471 :
1472 : if (tmp.oldval && !tmp.oldlenp)
1473 : return -EFAULT;
1474 :
1475 : compat_oldlenp = compat_ptr(tmp.oldlenp);
1476 : if (compat_oldlenp && get_user(oldlen, compat_oldlenp))
1477 : return -EFAULT;
1478 :
1479 : result = do_sysctl(compat_ptr(tmp.name), tmp.nlen,
1480 : compat_ptr(tmp.oldval), oldlen,
1481 : compat_ptr(tmp.newval), tmp.newlen);
1482 :
1483 : if (result >= 0) {
1484 : oldlen = result;
1485 : result = 0;
1486 : }
1487 :
1488 : if (compat_oldlenp && put_user(oldlen, compat_oldlenp))
1489 : return -EFAULT;
1490 :
1491 : return result;
1492 : }
1493 :
1494 : #endif /* CONFIG_COMPAT */
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