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-rw-r--r--fs/cifs/cifs_debug.c134
1 files changed, 107 insertions, 27 deletions
diff --git a/fs/cifs/cifs_debug.c b/fs/cifs/cifs_debug.c
index f4124a32bef8..96abeb738978 100644
--- a/fs/cifs/cifs_debug.c
+++ b/fs/cifs/cifs_debug.c
@@ -39,7 +39,7 @@ cifs_dump_mem(char *label, void *data, int length)
char *charptr = data;
char buf[10], line[80];
- printk(KERN_DEBUG "%s: dump of %d bytes of data at 0x%p\n\n",
+ 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;
@@ -57,6 +57,57 @@ cifs_dump_mem(char *label, void *data, int length)
}
}
+#ifdef CONFIG_CIFS_DEBUG2
+void cifs_dump_detail(struct smb_hdr * smb)
+{
+ 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_LE(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);
+ if(mid_entry) {
+ cERROR(1,("State: %d Cmd: %d Pid: %d Tsk: %p Mid %d",
+ mid_entry->midState,
+ (int)mid_entry->command,
+ mid_entry->pid,
+ mid_entry->tsk,
+ mid_entry->mid));
+#ifdef CONFIG_CIFS_STATS2
+ cERROR(1,("IsLarge: %d buf: %p time rcv: %ld now: %ld",
+ mid_entry->largeBuf,
+ 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 /* fixme */);
+ }
+
+ }
+ }
+ spin_unlock(&GlobalMid_Lock);
+}
+#endif /* CONFIG_CIFS_DEBUG2 */
+
#ifdef CONFIG_PROC_FS
static int
cifs_debug_data_read(char *buf, char **beginBuffer, off_t offset,
@@ -73,7 +124,6 @@ cifs_debug_data_read(char *buf, char **beginBuffer, off_t offset,
*beginBuffer = buf + offset;
-
length =
sprintf(buf,
"Display Internal CIFS Data Structures for Debugging\n"
@@ -395,12 +445,12 @@ static read_proc_t traceSMB_read;
static write_proc_t traceSMB_write;
static read_proc_t multiuser_mount_read;
static write_proc_t multiuser_mount_write;
-static read_proc_t extended_security_read;
-static write_proc_t extended_security_write;
-static read_proc_t ntlmv2_enabled_read;
+static read_proc_t security_flags_read;
+static write_proc_t security_flags_write;
+/* static read_proc_t ntlmv2_enabled_read;
static write_proc_t ntlmv2_enabled_write;
static read_proc_t packet_signing_enabled_read;
-static write_proc_t packet_signing_enabled_write;
+static write_proc_t packet_signing_enabled_write;*/
static read_proc_t experimEnabled_read;
static write_proc_t experimEnabled_write;
static read_proc_t linuxExtensionsEnabled_read;
@@ -458,10 +508,10 @@ cifs_proc_init(void)
pde->write_proc = multiuser_mount_write;
pde =
- create_proc_read_entry("ExtendedSecurity", 0, proc_fs_cifs,
- extended_security_read, NULL);
+ create_proc_read_entry("SecurityFlags", 0, proc_fs_cifs,
+ security_flags_read, NULL);
if (pde)
- pde->write_proc = extended_security_write;
+ pde->write_proc = security_flags_write;
pde =
create_proc_read_entry("LookupCacheEnabled", 0, proc_fs_cifs,
@@ -469,7 +519,7 @@ cifs_proc_init(void)
if (pde)
pde->write_proc = lookupFlag_write;
- pde =
+/* pde =
create_proc_read_entry("NTLMV2Enabled", 0, proc_fs_cifs,
ntlmv2_enabled_read, NULL);
if (pde)
@@ -479,7 +529,7 @@ cifs_proc_init(void)
create_proc_read_entry("PacketSigningEnabled", 0, proc_fs_cifs,
packet_signing_enabled_read, NULL);
if (pde)
- pde->write_proc = packet_signing_enabled_write;
+ pde->write_proc = packet_signing_enabled_write;*/
}
void
@@ -496,9 +546,9 @@ cifs_proc_clean(void)
#endif
remove_proc_entry("MultiuserMount", proc_fs_cifs);
remove_proc_entry("OplockEnabled", proc_fs_cifs);
- remove_proc_entry("NTLMV2Enabled",proc_fs_cifs);
- remove_proc_entry("ExtendedSecurity",proc_fs_cifs);
- remove_proc_entry("PacketSigningEnabled",proc_fs_cifs);
+/* remove_proc_entry("NTLMV2Enabled",proc_fs_cifs); */
+ remove_proc_entry("SecurityFlags",proc_fs_cifs);
+/* remove_proc_entry("PacketSigningEnabled",proc_fs_cifs); */
remove_proc_entry("LinuxExtensionsEnabled",proc_fs_cifs);
remove_proc_entry("Experimental",proc_fs_cifs);
remove_proc_entry("LookupCacheEnabled",proc_fs_cifs);
@@ -782,12 +832,12 @@ multiuser_mount_write(struct file *file, const char __user *buffer,
}
static int
-extended_security_read(char *page, char **start, off_t off,
+security_flags_read(char *page, char **start, off_t off,
int count, int *eof, void *data)
{
int len;
- len = sprintf(page, "%d\n", extended_security);
+ len = sprintf(page, "0x%x\n", extended_security);
len -= off;
*start = page + off;
@@ -803,24 +853,52 @@ extended_security_read(char *page, char **start, off_t off,
return len;
}
static int
-extended_security_write(struct file *file, const char __user *buffer,
+security_flags_write(struct file *file, const char __user *buffer,
unsigned long count, void *data)
{
+ unsigned int flags;
+ char flags_string[12];
char c;
- int rc;
- rc = get_user(c, buffer);
- if (rc)
- return rc;
- if (c == '0' || c == 'n' || c == 'N')
- extended_security = 0;
- else if (c == '1' || c == 'y' || c == 'Y')
- extended_security = 1;
+ 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')
+ extended_security = CIFSSEC_DEF; /* default */
+ else if (c == '1' || c == 'y' || c == 'Y')
+ extended_security = CIFSSEC_MAX;
+ return count;
+ }
+ /* 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 */
+ extended_security = flags;
return count;
}
-static int
+/* static int
ntlmv2_enabled_read(char *page, char **start, off_t off,
int count, int *eof, void *data)
{
@@ -855,6 +933,8 @@ ntlmv2_enabled_write(struct file *file, const char __user *buffer,
ntlmv2_support = 0;
else if (c == '1' || c == 'y' || c == 'Y')
ntlmv2_support = 1;
+ else if (c == '2')
+ ntlmv2_support = 2;
return count;
}
@@ -898,7 +978,7 @@ packet_signing_enabled_write(struct file *file, const char __user *buffer,
sign_CIFS_PDUs = 2;
return count;
-}
+} */
#endif
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-27 00:51:35 +0100