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-rw-r--r--init/Kconfig1
-rw-r--r--kernel/sysctl_binary.c1485
2 files changed, 1384 insertions, 102 deletions
diff --git a/init/Kconfig b/init/Kconfig
index f51586406d62..feb3b8f7e7ee 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -754,6 +754,7 @@ config UID16
754 754
755config SYSCTL_SYSCALL 755config SYSCTL_SYSCALL
756 bool "Sysctl syscall support" if EMBEDDED 756 bool "Sysctl syscall support" if EMBEDDED
757 depends on PROC_SYSCTL
757 default y 758 default y
758 select SYSCTL 759 select SYSCTL
759 ---help--- 760 ---help---
diff --git a/kernel/sysctl_binary.c b/kernel/sysctl_binary.c
index 642019894299..471438bbece6 100644
--- a/kernel/sysctl_binary.c
+++ b/kernel/sysctl_binary.c
@@ -12,108 +12,1385 @@
12#include <linux/pid_namespace.h> 12#include <linux/pid_namespace.h>
13#include <linux/file.h> 13#include <linux/file.h>
14#include <linux/ctype.h> 14#include <linux/ctype.h>
15#include <linux/smp_lock.h>
16 15
17#ifdef CONFIG_SYSCTL_SYSCALL 16#ifdef CONFIG_SYSCTL_SYSCALL
18 17
19/* Perform the actual read/write of a sysctl table entry. */ 18struct bin_table;
20static int do_sysctl_strategy(struct ctl_table_root *root, 19typedef ssize_t bin_convert_t(struct file *file,
21 struct ctl_table *table, 20 void __user *oldval, size_t oldlen, void __user *newval, size_t newlen);
22 void __user *oldval, size_t __user *oldlenp, 21
23 void __user *newval, size_t newlen) 22static bin_convert_t bin_dir;
23static bin_convert_t bin_string;
24static bin_convert_t bin_intvec;
25static bin_convert_t bin_ulongvec;
26static bin_convert_t bin_uuid;
27static 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
38struct bin_table {
39 bin_convert_t *convert;
40 int ctl_name;
41 const char *procname;
42 const struct bin_table *child;
43};
44
45static 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
55static const struct bin_table bin_pty_table[] = {
56 { CTL_INT, PTY_MAX, "max" },
57 { CTL_INT, PTY_NR, "nr" },
58 {}
59};
60
61static 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
141static 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
173static 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
199static 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
206static 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
229static 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
257static 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
264static 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
286static 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
292static 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
329static 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
433static 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
439static 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
447static 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
463static 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
481static const struct bin_table bin_net_ax25_table[] = {
482 { CTL_DIR, 0, NULL, bin_net_ax25_param_table },
483 {}
484};
485
486static 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
500static 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
528static 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
535static 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
549static const struct bin_table bin_net_ipv6_icmp_table[] = {
550 { CTL_INT, NET_IPV6_ICMP_RATELIMIT, "ratelimit" },
551 {}
552};
553
554static 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
569static 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
579static const struct bin_table bin_net_tr_table[] = {
580 { CTL_INT, NET_TR_RIF_TIMEOUT, "rif_timeout" },
581 {}
582};
583
584
585static 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
593static 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
604static 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
622static 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
643static 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
651static const struct bin_table bin_net_llc_station_table[] = {
652 { CTL_INT, NET_LLC_STATION_ACK_TIMEOUT, "ack_timeout" },
653 {}
654};
655
656static const struct bin_table bin_net_llc_llc2_table[] = {
657 { CTL_DIR, NET_LLC2, "timeout", bin_net_llc_llc2_timeout_table },
658 {}
659};
660
661static 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
667static 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
704static 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
722static 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
748static 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
761static 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
781static const struct bin_table bin_fs_ocfs2_nm_table[] = {
782 { CTL_STR, 1, "hb_ctl_path" },
783 {}
784};
785
786static const struct bin_table bin_fs_ocfs2_table[] = {
787 { CTL_DIR, 1, "nm", bin_fs_ocfs2_nm_table },
788 {}
789};
790
791static 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
798static 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
824static const struct bin_table bin_ipmi_table[] = {
825 { CTL_INT, DEV_IPMI_POWEROFF_POWERCYCLE, "poweroff_powercycle" },
826 {}
827};
828
829static 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
839static 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
845static const struct bin_table bin_scsi_table[] = {
846 { CTL_INT, DEV_SCSI_LOGGING_LEVEL, "logging_level" },
847 {}
848};
849
850static 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
861static 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
868static const struct bin_table bin_bus_table[] = {
869 { CTL_DIR, CTL_BUS_ISA, "isa", bin_bus_isa_table },
870 {}
871};
872
873
874static 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
880static 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
893static 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
902static 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
920static 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
927static 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;
966out:
967 return result;
968}
969
970static 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;
1042out_kfree:
1043 kfree(buffer);
1044out:
1045 return result;
1046}
1047
1048static ssize_t bin_ulongvec(struct file *file,
1049 void __user *oldval, size_t oldlen, void __user *newval, size_t newlen)
24{ 1050{
25 int op = 0, rc; 1051 mm_segment_t old_fs = get_fs();
26 1052 ssize_t copied = 0;
27 if (oldval) 1053 char *buffer;
28 op |= MAY_READ; 1054 ssize_t result;
29 if (newval) 1055
30 op |= MAY_WRITE; 1056 result = -ENOMEM;
31 if (sysctl_perm(root, table, op)) 1057 buffer = kmalloc(BUFSZ, GFP_KERNEL);
32 return -EPERM; 1058 if (!buffer)
33 1059 goto out;
34 if (table->strategy) { 1060
35 rc = table->strategy(table, oldval, oldlenp, newval, newlen); 1061 if (oldval && oldlen) {
36 if (rc < 0) 1062 unsigned long __user *vec = oldval;
37 return rc; 1063 size_t length = oldlen / sizeof(*vec);
38 if (rc > 0) 1064 loff_t pos = 0;
39 return 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 }
40 } 1092 }
41 1093
42 /* If there is no strategy routine, or if the strategy returns 1094 if (newval && newlen) {
43 * zero, proceed with automatic r/w */ 1095 unsigned long __user *vec = newval;
44 if (table->data && table->maxlen) { 1096 size_t length = newlen / sizeof(*vec);
45 rc = sysctl_data(table, oldval, oldlenp, newval, newlen); 1097 loff_t pos = 0;
46 if (rc < 0) 1098 char *str, *end;
47 return rc; 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;
48 } 1118 }
49 return 0; 1119 result = copied;
1120out_kfree:
1121 kfree(buffer);
1122out:
1123 return result;
1124}
1125
1126static unsigned hex_value(int ch)
1127{
1128 return isdigit(ch) ? ch - '0' : ((ch | 0x20) - 'a') + 10;
50} 1129}
51 1130
52static int parse_table(const int *name, int nlen, 1131static ssize_t bin_uuid(struct file *file,
53 void __user *oldval, size_t __user *oldlenp, 1132 void __user *oldval, size_t oldlen, void __user *newval, size_t newlen)
54 void __user *newval, size_t newlen,
55 struct ctl_table_root *root,
56 struct ctl_table *table)
57{ 1133{
58 int n; 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;
1174out:
1175 return result;
1176}
1177
1178static 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;
1246out:
1247 return result;
1248}
1249
1250static 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
59repeat: 1259repeat:
60 if (!nlen) 1260 if (!nlen)
61 return -ENOTDIR; 1261 return ERR_PTR(-ENOTDIR);
62 n = *name; 1262 ctl_name = *name;
63 for ( ; table->ctl_name || table->procname; table++) { 1263 name++;
64 if (!table->ctl_name) 1264 nlen--;
65 continue; 1265 for ( ; table->convert; table++) {
66 if (n == table->ctl_name) { 1266 struct net_device *dev = NULL;
67 int error; 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);
68 if (table->child) { 1290 if (table->child) {
69 if (sysctl_perm(root, table, MAY_EXEC)) 1291 *path++ = '/';
70 return -EPERM;
71 name++;
72 nlen--;
73 table = table->child; 1292 table = table->child;
74 goto repeat; 1293 goto repeat;
75 } 1294 }
76 error = do_sysctl_strategy(root, table, 1295 *path = '\0';
77 oldval, oldlenp, 1296 return table;
78 newval, newlen);
79 return error;
80 } 1297 }
81 } 1298 }
82 return -ENOTDIR; 1299 return ERR_PTR(-ENOTDIR);
83} 1300}
84 1301
85static ssize_t binary_sysctl(const int *name, int nlen, 1302static char *sysctl_getname(const int *name, int nlen, const struct bin_table **tablep)
86 void __user *oldval, size_t __user *oldlenp,
87 void __user *newval, size_t newlen)
88
89{ 1303{
90 struct ctl_table_header *head; 1304 char *tmp, *result;
91 ssize_t error = -ENOTDIR; 1305
92 1306 result = ERR_PTR(-ENOMEM);
93 for (head = sysctl_head_next(NULL); head; 1307 tmp = __getname();
94 head = sysctl_head_next(head)) { 1308 if (tmp) {
95 error = parse_table(name, nlen, oldval, oldlenp, 1309 const struct bin_table *table = get_sysctl(name, nlen, tmp);
96 newval, newlen, 1310 result = tmp;
97 head->root, head->ctl_table); 1311 *tablep = table;
98 if (error != -ENOTDIR) { 1312 if (IS_ERR(table)) {
99 sysctl_head_finish(head); 1313 __putname(tmp);
100 break; 1314 result = ERR_CAST(table);
101 } 1315 }
102 } 1316 }
103 return error; 1317 return result;
104} 1318}
105 1319
1320static 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);
1372out_putname:
1373 putname(pathname);
1374out:
1375 return result;
1376
1377out_putpath:
1378 path_put(&nd.path);
1379 goto out_putname;
1380}
1381
1382
106#else /* CONFIG_SYSCTL_SYSCALL */ 1383#else /* CONFIG_SYSCTL_SYSCALL */
107 1384
108static ssize_t binary_sysctl(const int *ctl_name, int nlen, 1385static ssize_t binary_sysctl(const int *name, int nlen,
109 void __user *oldval, size_t __user *oldlenp, 1386 void __user *oldval, size_t oldlen, void __user *newval, size_t newlen)
110 void __user *newval, size_t newlen)
111{ 1387{
112 return -ENOSYS; 1388 return -ENOSYS;
113} 1389}
114 1390
115#endif /* CONFIG_SYSCTL_SYSCALL */ 1391#endif /* CONFIG_SYSCTL_SYSCALL */
116 1392
1393
117static void deprecated_sysctl_warning(const int *name, int nlen) 1394static void deprecated_sysctl_warning(const int *name, int nlen)
118{ 1395{
119 static int msg_count; 1396 static int msg_count;
@@ -135,21 +1412,15 @@ static void deprecated_sysctl_warning(const int *name, int nlen)
135 return; 1412 return;
136} 1413}
137 1414
138static int do_sysctl(int __user *args_name, int nlen, 1415static ssize_t do_sysctl(int __user *args_name, int nlen,
139 void __user *oldval, size_t __user *oldlenp, 1416 void __user *oldval, size_t oldlen, void __user *newval, size_t newlen)
140 void __user *newval, size_t newlen)
141{ 1417{
142 int name[CTL_MAXNAME]; 1418 int name[CTL_MAXNAME];
143 size_t oldlen = 0;
144 int i; 1419 int i;
145 1420
146 if (nlen <= 0 || nlen >= CTL_MAXNAME) 1421 /* Check args->nlen. */
1422 if (nlen < 0 || nlen > CTL_MAXNAME)
147 return -ENOTDIR; 1423 return -ENOTDIR;
148 if (oldval && !oldlenp)
149 return -EFAULT;
150 if (oldlenp && get_user(oldlen, oldlenp))
151 return -EFAULT;
152
153 /* Read in the sysctl name for simplicity */ 1424 /* Read in the sysctl name for simplicity */
154 for (i = 0; i < nlen; i++) 1425 for (i = 0; i < nlen; i++)
155 if (get_user(name[i], args_name + i)) 1426 if (get_user(name[i], args_name + i))
@@ -157,26 +1428,39 @@ static int do_sysctl(int __user *args_name, int nlen,
157 1428
158 deprecated_sysctl_warning(name, nlen); 1429 deprecated_sysctl_warning(name, nlen);
159 1430
160 return binary_sysctl(name, nlen, oldval, oldlenp, newval, newlen); 1431 return binary_sysctl(name, nlen, oldval, oldlen, newval, newlen);
161} 1432}
162 1433
163
164SYSCALL_DEFINE1(sysctl, struct __sysctl_args __user *, args) 1434SYSCALL_DEFINE1(sysctl, struct __sysctl_args __user *, args)
165{ 1435{
166 struct __sysctl_args tmp; 1436 struct __sysctl_args tmp;
167 int error; 1437 size_t oldlen = 0;
1438 ssize_t result;
168 1439
169 if (copy_from_user(&tmp, args, sizeof(tmp))) 1440 if (copy_from_user(&tmp, args, sizeof(tmp)))
170 return -EFAULT; 1441 return -EFAULT;
171 1442
172 lock_kernel(); 1443 if (tmp.oldval && !tmp.oldlenp)
173 error = do_sysctl(tmp.name, tmp.nlen, tmp.oldval, tmp.oldlenp, 1444 return -EFAULT;
174 tmp.newval, tmp.newlen); 1445
175 unlock_kernel(); 1446 if (tmp.oldlenp && get_user(oldlen, tmp.oldlenp))
1447 return -EFAULT;
1448
1449 result = do_sysctl(tmp.name, tmp.nlen, tmp.oldval, oldlen,
1450 tmp.newval, tmp.newlen);
1451
1452 if (result >= 0) {
1453 oldlen = result;
1454 result = 0;
1455 }
176 1456
177 return error; 1457 if (tmp.oldlenp && put_user(oldlen, tmp.oldlenp))
1458 return -EFAULT;
1459
1460 return result;
178} 1461}
179 1462
1463
180#ifdef CONFIG_COMPAT 1464#ifdef CONFIG_COMPAT
181#include <asm/compat.h> 1465#include <asm/compat.h>
182 1466
@@ -194,34 +1478,31 @@ asmlinkage long compat_sys_sysctl(struct compat_sysctl_args __user *args)
194{ 1478{
195 struct compat_sysctl_args tmp; 1479 struct compat_sysctl_args tmp;
196 compat_size_t __user *compat_oldlenp; 1480 compat_size_t __user *compat_oldlenp;
197 size_t __user *oldlenp = NULL;
198 size_t oldlen = 0; 1481 size_t oldlen = 0;
199 ssize_t result; 1482 ssize_t result;
200 1483
201 if (copy_from_user(&tmp, args, sizeof(tmp))) 1484 if (copy_from_user(&tmp, args, sizeof(tmp)))
202 return -EFAULT; 1485 return -EFAULT;
203 1486
204 compat_oldlenp = compat_ptr(tmp.oldlenp); 1487 if (tmp.oldval && !tmp.oldlenp)
205 if (compat_oldlenp) { 1488 return -EFAULT;
206 oldlenp = compat_alloc_user_space(sizeof(*compat_oldlenp));
207 1489
208 if (get_user(oldlen, compat_oldlenp) || 1490 compat_oldlenp = compat_ptr(tmp.oldlenp);
209 put_user(oldlen, oldlenp)) 1491 if (compat_oldlenp && get_user(oldlen, compat_oldlenp))
210 return -EFAULT; 1492 return -EFAULT;
211 }
212 1493
213 lock_kernel();
214 result = do_sysctl(compat_ptr(tmp.name), tmp.nlen, 1494 result = do_sysctl(compat_ptr(tmp.name), tmp.nlen,
215 compat_ptr(tmp.oldval), oldlenp, 1495 compat_ptr(tmp.oldval), oldlen,
216 compat_ptr(tmp.newval), tmp.newlen); 1496 compat_ptr(tmp.newval), tmp.newlen);
217 unlock_kernel();
218 1497
219 if (oldlenp && !result) { 1498 if (result >= 0) {
220 if (get_user(oldlen, oldlenp) || 1499 oldlen = result;
221 put_user(oldlen, compat_oldlenp)) 1500 result = 0;
222 return -EFAULT;
223 } 1501 }
224 1502
1503 if (compat_oldlenp && put_user(oldlen, compat_oldlenp))
1504 return -EFAULT;
1505
225 return result; 1506 return result;
226} 1507}
227 1508
generated by cgit v1.2.2 (git 2.25.0) at 2025-03-04 01:20:58 -0500