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Diffstat (limited to 'ANDROID_3.4.5/fs/cifs/cifs_debug.c')
-rw-r--r--ANDROID_3.4.5/fs/cifs/cifs_debug.c751
1 files changed, 0 insertions, 751 deletions
diff --git a/ANDROID_3.4.5/fs/cifs/cifs_debug.c b/ANDROID_3.4.5/fs/cifs/cifs_debug.c
deleted file mode 100644
index 27046462..00000000
--- a/ANDROID_3.4.5/fs/cifs/cifs_debug.c
+++ /dev/null
@@ -1,751 +0,0 @@
-/*
- * fs/cifs_debug.c
- *
- * Copyright (C) International Business Machines Corp., 2000,2005
- *
- * Modified by Steve French (sfrench@us.ibm.com)
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
- * the GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-#include <linux/fs.h>
-#include <linux/string.h>
-#include <linux/ctype.h>
-#include <linux/module.h>
-#include <linux/proc_fs.h>
-#include <asm/uaccess.h>
-#include "cifspdu.h"
-#include "cifsglob.h"
-#include "cifsproto.h"
-#include "cifs_debug.h"
-#include "cifsfs.h"
-
-void
-cifs_dump_mem(char *label, void *data, int length)
-{
- int i, j;
- int *intptr = data;
- char *charptr = data;
- char buf[10], line[80];
-
- printk(KERN_DEBUG "%s: dump of %d bytes of data at 0x%p\n",
- label, length, data);
- for (i = 0; i < length; i += 16) {
- line[0] = 0;
- for (j = 0; (j < 4) && (i + j * 4 < length); j++) {
- sprintf(buf, " %08x", intptr[i / 4 + j]);
- strcat(line, buf);
- }
- buf[0] = ' ';
- buf[2] = 0;
- for (j = 0; (j < 16) && (i + j < length); j++) {
- buf[1] = isprint(charptr[i + j]) ? charptr[i + j] : '.';
- strcat(line, buf);
- }
- printk(KERN_DEBUG "%s\n", line);
- }
-}
-
-#ifdef CONFIG_CIFS_DEBUG2
-void cifs_dump_detail(void *buf)
-{
- struct smb_hdr *smb = (struct smb_hdr *)buf;
-
- cERROR(1, "Cmd: %d Err: 0x%x Flags: 0x%x Flgs2: 0x%x Mid: %d Pid: %d",
- smb->Command, smb->Status.CifsError,
- smb->Flags, smb->Flags2, smb->Mid, smb->Pid);
- cERROR(1, "smb buf %p len %d", smb, smbCalcSize(smb));
-}
-
-void cifs_dump_mids(struct TCP_Server_Info *server)
-{
- struct list_head *tmp;
- struct mid_q_entry *mid_entry;
-
- if (server == NULL)
- return;
-
- cERROR(1, "Dump pending requests:");
- spin_lock(&GlobalMid_Lock);
- list_for_each(tmp, &server->pending_mid_q) {
- mid_entry = list_entry(tmp, struct mid_q_entry, qhead);
- cERROR(1, "State: %d Cmd: %d Pid: %d Cbdata: %p Mid %llu",
- mid_entry->mid_state,
- le16_to_cpu(mid_entry->command),
- mid_entry->pid,
- mid_entry->callback_data,
- mid_entry->mid);
-#ifdef CONFIG_CIFS_STATS2
- cERROR(1, "IsLarge: %d buf: %p time rcv: %ld now: %ld",
- mid_entry->large_buf,
- mid_entry->resp_buf,
- mid_entry->when_received,
- jiffies);
-#endif /* STATS2 */
- cERROR(1, "IsMult: %d IsEnd: %d", mid_entry->multiRsp,
- mid_entry->multiEnd);
- if (mid_entry->resp_buf) {
- cifs_dump_detail(mid_entry->resp_buf);
- cifs_dump_mem("existing buf: ",
- mid_entry->resp_buf, 62);
- }
- }
- spin_unlock(&GlobalMid_Lock);
-}
-#endif /* CONFIG_CIFS_DEBUG2 */
-
-#ifdef CONFIG_PROC_FS
-static int cifs_debug_data_proc_show(struct seq_file *m, void *v)
-{
- struct list_head *tmp1, *tmp2, *tmp3;
- struct mid_q_entry *mid_entry;
- struct TCP_Server_Info *server;
- struct cifs_ses *ses;
- struct cifs_tcon *tcon;
- int i, j;
- __u32 dev_type;
-
- seq_puts(m,
- "Display Internal CIFS Data Structures for Debugging\n"
- "---------------------------------------------------\n");
- seq_printf(m, "CIFS Version %s\n", CIFS_VERSION);
- seq_printf(m, "Features:");
-#ifdef CONFIG_CIFS_DFS_UPCALL
- seq_printf(m, " dfs");
-#endif
-#ifdef CONFIG_CIFS_FSCACHE
- seq_printf(m, " fscache");
-#endif
-#ifdef CONFIG_CIFS_WEAK_PW_HASH
- seq_printf(m, " lanman");
-#endif
-#ifdef CONFIG_CIFS_POSIX
- seq_printf(m, " posix");
-#endif
-#ifdef CONFIG_CIFS_UPCALL
- seq_printf(m, " spnego");
-#endif
-#ifdef CONFIG_CIFS_XATTR
- seq_printf(m, " xattr");
-#endif
-#ifdef CONFIG_CIFS_ACL
- seq_printf(m, " acl");
-#endif
- seq_putc(m, '\n');
- seq_printf(m, "Active VFS Requests: %d\n", GlobalTotalActiveXid);
- seq_printf(m, "Servers:");
-
- i = 0;
- spin_lock(&cifs_tcp_ses_lock);
- list_for_each(tmp1, &cifs_tcp_ses_list) {
- server = list_entry(tmp1, struct TCP_Server_Info,
- tcp_ses_list);
- i++;
- list_for_each(tmp2, &server->smb_ses_list) {
- ses = list_entry(tmp2, struct cifs_ses,
- smb_ses_list);
- if ((ses->serverDomain == NULL) ||
- (ses->serverOS == NULL) ||
- (ses->serverNOS == NULL)) {
- seq_printf(m, "\n%d) entry for %s not fully "
- "displayed\n\t", i, ses->serverName);
- } else {
- seq_printf(m,
- "\n%d) Name: %s Domain: %s Uses: %d OS:"
- " %s\n\tNOS: %s\tCapability: 0x%x\n\tSMB"
- " session status: %d\t",
- i, ses->serverName, ses->serverDomain,
- ses->ses_count, ses->serverOS, ses->serverNOS,
- ses->capabilities, ses->status);
- }
- seq_printf(m, "TCP status: %d\n\tLocal Users To "
- "Server: %d SecMode: 0x%x Req On Wire: %d",
- server->tcpStatus, server->srv_count,
- server->sec_mode, in_flight(server));
-
-#ifdef CONFIG_CIFS_STATS2
- seq_printf(m, " In Send: %d In MaxReq Wait: %d",
- atomic_read(&server->in_send),
- atomic_read(&server->num_waiters));
-#endif
-
- seq_puts(m, "\n\tShares:");
- j = 0;
- list_for_each(tmp3, &ses->tcon_list) {
- tcon = list_entry(tmp3, struct cifs_tcon,
- tcon_list);
- ++j;
- dev_type = le32_to_cpu(tcon->fsDevInfo.DeviceType);
- seq_printf(m, "\n\t%d) %s Mounts: %d ", j,
- tcon->treeName, tcon->tc_count);
- if (tcon->nativeFileSystem) {
- seq_printf(m, "Type: %s ",
- tcon->nativeFileSystem);
- }
- seq_printf(m, "DevInfo: 0x%x Attributes: 0x%x"
- "\nPathComponentMax: %d Status: 0x%d",
- le32_to_cpu(tcon->fsDevInfo.DeviceCharacteristics),
- le32_to_cpu(tcon->fsAttrInfo.Attributes),
- le32_to_cpu(tcon->fsAttrInfo.MaxPathNameComponentLength),
- tcon->tidStatus);
- if (dev_type == FILE_DEVICE_DISK)
- seq_puts(m, " type: DISK ");
- else if (dev_type == FILE_DEVICE_CD_ROM)
- seq_puts(m, " type: CDROM ");
- else
- seq_printf(m, " type: %d ", dev_type);
-
- if (tcon->need_reconnect)
- seq_puts(m, "\tDISCONNECTED ");
- seq_putc(m, '\n');
- }
-
- seq_puts(m, "\n\tMIDs:\n");
-
- spin_lock(&GlobalMid_Lock);
- list_for_each(tmp3, &server->pending_mid_q) {
- mid_entry = list_entry(tmp3, struct mid_q_entry,
- qhead);
- seq_printf(m, "\tState: %d com: %d pid:"
- " %d cbdata: %p mid %llu\n",
- mid_entry->mid_state,
- le16_to_cpu(mid_entry->command),
- mid_entry->pid,
- mid_entry->callback_data,
- mid_entry->mid);
- }
- spin_unlock(&GlobalMid_Lock);
- }
- }
- spin_unlock(&cifs_tcp_ses_lock);
- seq_putc(m, '\n');
-
- /* BB add code to dump additional info such as TCP session info now */
- return 0;
-}
-
-static int cifs_debug_data_proc_open(struct inode *inode, struct file *file)
-{
- return single_open(file, cifs_debug_data_proc_show, NULL);
-}
-
-static const struct file_operations cifs_debug_data_proc_fops = {
- .owner = THIS_MODULE,
- .open = cifs_debug_data_proc_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
-
-#ifdef CONFIG_CIFS_STATS
-static ssize_t cifs_stats_proc_write(struct file *file,
- const char __user *buffer, size_t count, loff_t *ppos)
-{
- char c;
- int rc;
- struct list_head *tmp1, *tmp2, *tmp3;
- struct TCP_Server_Info *server;
- struct cifs_ses *ses;
- struct cifs_tcon *tcon;
-
- rc = get_user(c, buffer);
- if (rc)
- return rc;
-
- if (c == '1' || c == 'y' || c == 'Y' || c == '0') {
-#ifdef CONFIG_CIFS_STATS2
- atomic_set(&totBufAllocCount, 0);
- atomic_set(&totSmBufAllocCount, 0);
-#endif /* CONFIG_CIFS_STATS2 */
- spin_lock(&cifs_tcp_ses_lock);
- list_for_each(tmp1, &cifs_tcp_ses_list) {
- server = list_entry(tmp1, struct TCP_Server_Info,
- tcp_ses_list);
- list_for_each(tmp2, &server->smb_ses_list) {
- ses = list_entry(tmp2, struct cifs_ses,
- smb_ses_list);
- list_for_each(tmp3, &ses->tcon_list) {
- tcon = list_entry(tmp3,
- struct cifs_tcon,
- tcon_list);
- atomic_set(&tcon->num_smbs_sent, 0);
- atomic_set(&tcon->num_writes, 0);
- atomic_set(&tcon->num_reads, 0);
- atomic_set(&tcon->num_oplock_brks, 0);
- atomic_set(&tcon->num_opens, 0);
- atomic_set(&tcon->num_posixopens, 0);
- atomic_set(&tcon->num_posixmkdirs, 0);
- atomic_set(&tcon->num_closes, 0);
- atomic_set(&tcon->num_deletes, 0);
- atomic_set(&tcon->num_mkdirs, 0);
- atomic_set(&tcon->num_rmdirs, 0);
- atomic_set(&tcon->num_renames, 0);
- atomic_set(&tcon->num_t2renames, 0);
- atomic_set(&tcon->num_ffirst, 0);
- atomic_set(&tcon->num_fnext, 0);
- atomic_set(&tcon->num_fclose, 0);
- atomic_set(&tcon->num_hardlinks, 0);
- atomic_set(&tcon->num_symlinks, 0);
- atomic_set(&tcon->num_locks, 0);
- }
- }
- }
- spin_unlock(&cifs_tcp_ses_lock);
- }
-
- return count;
-}
-
-static int cifs_stats_proc_show(struct seq_file *m, void *v)
-{
- int i;
- struct list_head *tmp1, *tmp2, *tmp3;
- struct TCP_Server_Info *server;
- struct cifs_ses *ses;
- struct cifs_tcon *tcon;
-
- seq_printf(m,
- "Resources in use\nCIFS Session: %d\n",
- sesInfoAllocCount.counter);
- seq_printf(m, "Share (unique mount targets): %d\n",
- tconInfoAllocCount.counter);
- seq_printf(m, "SMB Request/Response Buffer: %d Pool size: %d\n",
- bufAllocCount.counter,
- cifs_min_rcv + tcpSesAllocCount.counter);
- seq_printf(m, "SMB Small Req/Resp Buffer: %d Pool size: %d\n",
- smBufAllocCount.counter, cifs_min_small);
-#ifdef CONFIG_CIFS_STATS2
- seq_printf(m, "Total Large %d Small %d Allocations\n",
- atomic_read(&totBufAllocCount),
- atomic_read(&totSmBufAllocCount));
-#endif /* CONFIG_CIFS_STATS2 */
-
- seq_printf(m, "Operations (MIDs): %d\n", atomic_read(&midCount));
- seq_printf(m,
- "\n%d session %d share reconnects\n",
- tcpSesReconnectCount.counter, tconInfoReconnectCount.counter);
-
- seq_printf(m,
- "Total vfs operations: %d maximum at one time: %d\n",
- GlobalCurrentXid, GlobalMaxActiveXid);
-
- i = 0;
- spin_lock(&cifs_tcp_ses_lock);
- list_for_each(tmp1, &cifs_tcp_ses_list) {
- server = list_entry(tmp1, struct TCP_Server_Info,
- tcp_ses_list);
- list_for_each(tmp2, &server->smb_ses_list) {
- ses = list_entry(tmp2, struct cifs_ses,
- smb_ses_list);
- list_for_each(tmp3, &ses->tcon_list) {
- tcon = list_entry(tmp3,
- struct cifs_tcon,
- tcon_list);
- i++;
- seq_printf(m, "\n%d) %s", i, tcon->treeName);
- if (tcon->need_reconnect)
- seq_puts(m, "\tDISCONNECTED ");
- seq_printf(m, "\nSMBs: %d Oplock Breaks: %d",
- atomic_read(&tcon->num_smbs_sent),
- atomic_read(&tcon->num_oplock_brks));
- seq_printf(m, "\nReads: %d Bytes: %lld",
- atomic_read(&tcon->num_reads),
- (long long)(tcon->bytes_read));
- seq_printf(m, "\nWrites: %d Bytes: %lld",
- atomic_read(&tcon->num_writes),
- (long long)(tcon->bytes_written));
- seq_printf(m, "\nFlushes: %d",
- atomic_read(&tcon->num_flushes));
- seq_printf(m, "\nLocks: %d HardLinks: %d "
- "Symlinks: %d",
- atomic_read(&tcon->num_locks),
- atomic_read(&tcon->num_hardlinks),
- atomic_read(&tcon->num_symlinks));
- seq_printf(m, "\nOpens: %d Closes: %d "
- "Deletes: %d",
- atomic_read(&tcon->num_opens),
- atomic_read(&tcon->num_closes),
- atomic_read(&tcon->num_deletes));
- seq_printf(m, "\nPosix Opens: %d "
- "Posix Mkdirs: %d",
- atomic_read(&tcon->num_posixopens),
- atomic_read(&tcon->num_posixmkdirs));
- seq_printf(m, "\nMkdirs: %d Rmdirs: %d",
- atomic_read(&tcon->num_mkdirs),
- atomic_read(&tcon->num_rmdirs));
- seq_printf(m, "\nRenames: %d T2 Renames %d",
- atomic_read(&tcon->num_renames),
- atomic_read(&tcon->num_t2renames));
- seq_printf(m, "\nFindFirst: %d FNext %d "
- "FClose %d",
- atomic_read(&tcon->num_ffirst),
- atomic_read(&tcon->num_fnext),
- atomic_read(&tcon->num_fclose));
- }
- }
- }
- spin_unlock(&cifs_tcp_ses_lock);
-
- seq_putc(m, '\n');
- return 0;
-}
-
-static int cifs_stats_proc_open(struct inode *inode, struct file *file)
-{
- return single_open(file, cifs_stats_proc_show, NULL);
-}
-
-static const struct file_operations cifs_stats_proc_fops = {
- .owner = THIS_MODULE,
- .open = cifs_stats_proc_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .write = cifs_stats_proc_write,
-};
-#endif /* STATS */
-
-static struct proc_dir_entry *proc_fs_cifs;
-static const struct file_operations cifsFYI_proc_fops;
-static const struct file_operations cifs_lookup_cache_proc_fops;
-static const struct file_operations traceSMB_proc_fops;
-static const struct file_operations cifs_multiuser_mount_proc_fops;
-static const struct file_operations cifs_security_flags_proc_fops;
-static const struct file_operations cifs_linux_ext_proc_fops;
-
-void
-cifs_proc_init(void)
-{
- proc_fs_cifs = proc_mkdir("fs/cifs", NULL);
- if (proc_fs_cifs == NULL)
- return;
-
- proc_create("DebugData", 0, proc_fs_cifs, &cifs_debug_data_proc_fops);
-
-#ifdef CONFIG_CIFS_STATS
- proc_create("Stats", 0, proc_fs_cifs, &cifs_stats_proc_fops);
-#endif /* STATS */
- proc_create("cifsFYI", 0, proc_fs_cifs, &cifsFYI_proc_fops);
- proc_create("traceSMB", 0, proc_fs_cifs, &traceSMB_proc_fops);
- proc_create("LinuxExtensionsEnabled", 0, proc_fs_cifs,
- &cifs_linux_ext_proc_fops);
- proc_create("MultiuserMount", 0, proc_fs_cifs,
- &cifs_multiuser_mount_proc_fops);
- proc_create("SecurityFlags", 0, proc_fs_cifs,
- &cifs_security_flags_proc_fops);
- proc_create("LookupCacheEnabled", 0, proc_fs_cifs,
- &cifs_lookup_cache_proc_fops);
-}
-
-void
-cifs_proc_clean(void)
-{
- if (proc_fs_cifs == NULL)
- return;
-
- remove_proc_entry("DebugData", proc_fs_cifs);
- remove_proc_entry("cifsFYI", proc_fs_cifs);
- remove_proc_entry("traceSMB", proc_fs_cifs);
-#ifdef CONFIG_CIFS_STATS
- remove_proc_entry("Stats", proc_fs_cifs);
-#endif
- remove_proc_entry("MultiuserMount", proc_fs_cifs);
- remove_proc_entry("SecurityFlags", proc_fs_cifs);
- remove_proc_entry("LinuxExtensionsEnabled", proc_fs_cifs);
- remove_proc_entry("LookupCacheEnabled", proc_fs_cifs);
- remove_proc_entry("fs/cifs", NULL);
-}
-
-static int cifsFYI_proc_show(struct seq_file *m, void *v)
-{
- seq_printf(m, "%d\n", cifsFYI);
- return 0;
-}
-
-static int cifsFYI_proc_open(struct inode *inode, struct file *file)
-{
- return single_open(file, cifsFYI_proc_show, NULL);
-}
-
-static ssize_t cifsFYI_proc_write(struct file *file, const char __user *buffer,
- size_t count, loff_t *ppos)
-{
- char c;
- int rc;
-
- rc = get_user(c, buffer);
- if (rc)
- return rc;
- if (c == '0' || c == 'n' || c == 'N')
- cifsFYI = 0;
- else if (c == '1' || c == 'y' || c == 'Y')
- cifsFYI = 1;
- else if ((c > '1') && (c <= '9'))
- cifsFYI = (int) (c - '0'); /* see cifs_debug.h for meanings */
-
- return count;
-}
-
-static const struct file_operations cifsFYI_proc_fops = {
- .owner = THIS_MODULE,
- .open = cifsFYI_proc_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .write = cifsFYI_proc_write,
-};
-
-static int cifs_linux_ext_proc_show(struct seq_file *m, void *v)
-{
- seq_printf(m, "%d\n", linuxExtEnabled);
- return 0;
-}
-
-static int cifs_linux_ext_proc_open(struct inode *inode, struct file *file)
-{
- return single_open(file, cifs_linux_ext_proc_show, NULL);
-}
-
-static ssize_t cifs_linux_ext_proc_write(struct file *file,
- const char __user *buffer, size_t count, loff_t *ppos)
-{
- char c;
- int rc;
-
- rc = get_user(c, buffer);
- if (rc)
- return rc;
- if (c == '0' || c == 'n' || c == 'N')
- linuxExtEnabled = 0;
- else if (c == '1' || c == 'y' || c == 'Y')
- linuxExtEnabled = 1;
-
- return count;
-}
-
-static const struct file_operations cifs_linux_ext_proc_fops = {
- .owner = THIS_MODULE,
- .open = cifs_linux_ext_proc_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .write = cifs_linux_ext_proc_write,
-};
-
-static int cifs_lookup_cache_proc_show(struct seq_file *m, void *v)
-{
- seq_printf(m, "%d\n", lookupCacheEnabled);
- return 0;
-}
-
-static int cifs_lookup_cache_proc_open(struct inode *inode, struct file *file)
-{
- return single_open(file, cifs_lookup_cache_proc_show, NULL);
-}
-
-static ssize_t cifs_lookup_cache_proc_write(struct file *file,
- const char __user *buffer, size_t count, loff_t *ppos)
-{
- char c;
- int rc;
-
- rc = get_user(c, buffer);
- if (rc)
- return rc;
- if (c == '0' || c == 'n' || c == 'N')
- lookupCacheEnabled = 0;
- else if (c == '1' || c == 'y' || c == 'Y')
- lookupCacheEnabled = 1;
-
- return count;
-}
-
-static const struct file_operations cifs_lookup_cache_proc_fops = {
- .owner = THIS_MODULE,
- .open = cifs_lookup_cache_proc_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .write = cifs_lookup_cache_proc_write,
-};
-
-static int traceSMB_proc_show(struct seq_file *m, void *v)
-{
- seq_printf(m, "%d\n", traceSMB);
- return 0;
-}
-
-static int traceSMB_proc_open(struct inode *inode, struct file *file)
-{
- return single_open(file, traceSMB_proc_show, NULL);
-}
-
-static ssize_t traceSMB_proc_write(struct file *file, const char __user *buffer,
- size_t count, loff_t *ppos)
-{
- char c;
- int rc;
-
- rc = get_user(c, buffer);
- if (rc)
- return rc;
- if (c == '0' || c == 'n' || c == 'N')
- traceSMB = 0;
- else if (c == '1' || c == 'y' || c == 'Y')
- traceSMB = 1;
-
- return count;
-}
-
-static const struct file_operations traceSMB_proc_fops = {
- .owner = THIS_MODULE,
- .open = traceSMB_proc_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .write = traceSMB_proc_write,
-};
-
-static int cifs_multiuser_mount_proc_show(struct seq_file *m, void *v)
-{
- seq_printf(m, "%d\n", multiuser_mount);
- return 0;
-}
-
-static int cifs_multiuser_mount_proc_open(struct inode *inode, struct file *fh)
-{
- return single_open(fh, cifs_multiuser_mount_proc_show, NULL);
-}
-
-static ssize_t cifs_multiuser_mount_proc_write(struct file *file,
- const char __user *buffer, size_t count, loff_t *ppos)
-{
- char c;
- int rc;
- static bool warned;
-
- rc = get_user(c, buffer);
- if (rc)
- return rc;
- if (c == '0' || c == 'n' || c == 'N')
- multiuser_mount = 0;
- else if (c == '1' || c == 'y' || c == 'Y') {
- multiuser_mount = 1;
- if (!warned) {
- warned = true;
- printk(KERN_WARNING "CIFS VFS: The legacy multiuser "
- "mount code is scheduled to be deprecated in "
- "3.5. Please switch to using the multiuser "
- "mount option.");
- }
- }
-
- return count;
-}
-
-static const struct file_operations cifs_multiuser_mount_proc_fops = {
- .owner = THIS_MODULE,
- .open = cifs_multiuser_mount_proc_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .write = cifs_multiuser_mount_proc_write,
-};
-
-static int cifs_security_flags_proc_show(struct seq_file *m, void *v)
-{
- seq_printf(m, "0x%x\n", global_secflags);
- return 0;
-}
-
-static int cifs_security_flags_proc_open(struct inode *inode, struct file *file)
-{
- return single_open(file, cifs_security_flags_proc_show, NULL);
-}
-
-static ssize_t cifs_security_flags_proc_write(struct file *file,
- const char __user *buffer, size_t count, loff_t *ppos)
-{
- unsigned int flags;
- char flags_string[12];
- char c;
-
- if ((count < 1) || (count > 11))
- return -EINVAL;
-
- memset(flags_string, 0, 12);
-
- if (copy_from_user(flags_string, buffer, count))
- return -EFAULT;
-
- if (count < 3) {
- /* single char or single char followed by null */
- c = flags_string[0];
- if (c == '0' || c == 'n' || c == 'N') {
- global_secflags = CIFSSEC_DEF; /* default */
- return count;
- } else if (c == '1' || c == 'y' || c == 'Y') {
- global_secflags = CIFSSEC_MAX;
- return count;
- } else if (!isdigit(c)) {
- cERROR(1, "invalid flag %c", c);
- return -EINVAL;
- }
- }
- /* else we have a number */
-
- flags = simple_strtoul(flags_string, NULL, 0);
-
- cFYI(1, "sec flags 0x%x", flags);
-
- if (flags <= 0) {
- cERROR(1, "invalid security flags %s", flags_string);
- return -EINVAL;
- }
-
- if (flags & ~CIFSSEC_MASK) {
- cERROR(1, "attempt to set unsupported security flags 0x%x",
- flags & ~CIFSSEC_MASK);
- return -EINVAL;
- }
- /* flags look ok - update the global security flags for cifs module */
- global_secflags = flags;
- if (global_secflags & CIFSSEC_MUST_SIGN) {
- /* requiring signing implies signing is allowed */
- global_secflags |= CIFSSEC_MAY_SIGN;
- cFYI(1, "packet signing now required");
- } else if ((global_secflags & CIFSSEC_MAY_SIGN) == 0) {
- cFYI(1, "packet signing disabled");
- }
- /* BB should we turn on MAY flags for other MUST options? */
- return count;
-}
-
-static const struct file_operations cifs_security_flags_proc_fops = {
- .owner = THIS_MODULE,
- .open = cifs_security_flags_proc_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .write = cifs_security_flags_proc_write,
-};
-#else
-inline void cifs_proc_init(void)
-{
-}
-
-inline void cifs_proc_clean(void)
-{
-}
-#endif /* PROC_FS */
generated by cgit (git 2.34.1) at 2024-12-20 14:18:05 +0000