From 3979877e5606ecc58c5a31bd0078c6d80ba9cbe7 Mon Sep 17 00:00:00 2001 From: Steve French Date: Wed, 31 May 2006 22:40:51 +0000 Subject: [CIFS] Support for setting up SMB sessions to legacy lanman servers --- fs/cifs/cifs_debug.c | 84 ++++++++++++++++++++++++++++++++++++++++++++-------- 1 file changed, 71 insertions(+), 13 deletions(-) (limited to 'fs/cifs/cifs_debug.c') diff --git a/fs/cifs/cifs_debug.c b/fs/cifs/cifs_debug.c index f4124a32bef8..7f4013a8607f 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" @@ -397,10 +447,10 @@ 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 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; @@ -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("NTLMV2Enabled",proc_fs_cifs); */ remove_proc_entry("ExtendedSecurity",proc_fs_cifs); - remove_proc_entry("PacketSigningEnabled",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); @@ -787,7 +837,7 @@ extended_security_read(char *page, char **start, off_t off, { int len; - len = sprintf(page, "%d\n", extended_security); + len = sprintf(page, "0x%x\n", extended_security); len -= off; *start = page + off; @@ -808,19 +858,25 @@ extended_security_write(struct file *file, const char __user *buffer, { char c; int rc; + cERROR(1,("size %ld",count)); /* BB removeme BB */ + if((count < 2) || (count > 8)) + return -EINVAL; rc = get_user(c, buffer); + +/* BB fixme need to parse more characters in order to handle CIFSSEC flags */ + if (rc) return rc; if (c == '0' || c == 'n' || c == 'N') - extended_security = 0; + extended_security = CIFSSEC_DEF; /* default */ else if (c == '1' || c == 'y' || c == 'Y') - extended_security = 1; + extended_security = CIFSSEC_MAX; return count; } -static int +/* static int ntlmv2_enabled_read(char *page, char **start, off_t off, int count, int *eof, void *data) { @@ -855,6 +911,8 @@ 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 +956,7 @@ packet_signing_enabled_write(struct file *file, const char __user *buffer, sign_CIFS_PDUs = 2; return count; -} +} */ #endif -- cgit v1.2.2 From 7c7b25bc8e392aea781324efa771bc191377b876 Mon Sep 17 00:00:00 2001 From: Steve French Date: Thu, 1 Jun 2006 19:20:10 +0000 Subject: [CIFS] Support for setting up SMB sessions to legacy lanman servers part 2 --- fs/cifs/cifs_debug.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'fs/cifs/cifs_debug.c') diff --git a/fs/cifs/cifs_debug.c b/fs/cifs/cifs_debug.c index 7f4013a8607f..4e10e21c54fd 100644 --- a/fs/cifs/cifs_debug.c +++ b/fs/cifs/cifs_debug.c @@ -508,7 +508,7 @@ cifs_proc_init(void) pde->write_proc = multiuser_mount_write; pde = - create_proc_read_entry("ExtendedSecurity", 0, proc_fs_cifs, + create_proc_read_entry("SecurityFlags", 0, proc_fs_cifs, extended_security_read, NULL); if (pde) pde->write_proc = extended_security_write; @@ -547,7 +547,7 @@ cifs_proc_clean(void) 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("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); -- cgit v1.2.2 From bdc4bf6e8ac8cc29c61c2f0dc61d9776ef9a8ed4 Mon Sep 17 00:00:00 2001 From: Steve French Date: Fri, 2 Jun 2006 22:57:13 +0000 Subject: [CIFS] Support for older servers which require plaintext passwords disabled by default, but can be enabled via proc for servers which require such support. Also includes support for setting security flags for cifs. See fs/cifs/README Signed-off-by: Steve French --- fs/cifs/cifs_debug.c | 56 +++++++++++++++++++++++++++++++++++++--------------- 1 file changed, 40 insertions(+), 16 deletions(-) (limited to 'fs/cifs/cifs_debug.c') diff --git a/fs/cifs/cifs_debug.c b/fs/cifs/cifs_debug.c index 4e10e21c54fd..7c0015a96959 100644 --- a/fs/cifs/cifs_debug.c +++ b/fs/cifs/cifs_debug.c @@ -445,8 +445,8 @@ 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 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; @@ -509,9 +509,9 @@ cifs_proc_init(void) pde = create_proc_read_entry("SecurityFlags", 0, proc_fs_cifs, - extended_security_read, NULL); + 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, @@ -832,7 +832,7 @@ 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; @@ -853,26 +853,50 @@ 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; + cERROR(1,("size %ld",count)); /* BB removeme BB */ - if((count < 2) || (count > 8)) + + if((count < 1) || (count > 11)) return -EINVAL; - rc = get_user(c, buffer); + memset(flags_string, 0, 12); -/* BB fixme need to parse more characters in order to handle CIFSSEC flags */ + if(copy_from_user(flags_string, buffer, count)) + return -EFAULT; - if (rc) - return rc; - if (c == '0' || c == 'n' || c == 'N') - extended_security = CIFSSEC_DEF; /* default */ - else if (c == '1' || c == 'y' || c == 'Y') - extended_security = CIFSSEC_MAX; + 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); + + cERROR(1,("sec flags 0x%x", flags)); /* BB FIXME make cFYI */ + + if(flags <= 0) { + cERROR(1,("invalid security flags %s",flags_string)); + return -EINVAL; + } + if((flags & CIFSSEC_MASK) != CIFSSEC_MASK) { + cERROR(1,("attempt to set unsupported security flags 0x%d", + flags & ~CIFSSEC_MASK)); + return -EINVAL; + } + /* flags look ok - update the global security flags for cifs module */ + extended_security = flags; return count; } -- cgit v1.2.2 From 9312f6754d4b2d3ce27c21b16fb92923ce92a411 Mon Sep 17 00:00:00 2001 From: Steve French Date: Sun, 4 Jun 2006 22:21:07 +0000 Subject: [CIFS] Fix mask so can set new cifs security flags properly Signed-off-by: Steve French --- fs/cifs/cifs_debug.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) (limited to 'fs/cifs/cifs_debug.c') diff --git a/fs/cifs/cifs_debug.c b/fs/cifs/cifs_debug.c index 7c0015a96959..2f55edf2eeea 100644 --- a/fs/cifs/cifs_debug.c +++ b/fs/cifs/cifs_debug.c @@ -860,8 +860,6 @@ security_flags_write(struct file *file, const char __user *buffer, char flags_string[12]; char c; - cERROR(1,("size %ld",count)); /* BB removeme BB */ - if((count < 1) || (count > 11)) return -EINVAL; @@ -883,14 +881,14 @@ security_flags_write(struct file *file, const char __user *buffer, flags = simple_strtoul(flags_string, NULL, 0); - cERROR(1,("sec flags 0x%x", flags)); /* BB FIXME make cFYI */ + cFYI(1,("sec flags 0x%x", flags)); if(flags <= 0) { cERROR(1,("invalid security flags %s",flags_string)); return -EINVAL; } - if((flags & CIFSSEC_MASK) != CIFSSEC_MASK) { + if(flags & ~CIFSSEC_MASK) { cERROR(1,("attempt to set unsupported security flags 0x%d", flags & ~CIFSSEC_MASK)); return -EINVAL; -- cgit v1.2.2 From a8ee03441f66e0674e641c0cbe1a9534cdee968f Mon Sep 17 00:00:00 2001 From: Steve French Date: Mon, 5 Jun 2006 23:34:19 +0000 Subject: [CIFS] NTLMv2 support part 4 Signed-off-by: Steve French --- fs/cifs/cifs_debug.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'fs/cifs/cifs_debug.c') diff --git a/fs/cifs/cifs_debug.c b/fs/cifs/cifs_debug.c index 2f55edf2eeea..96abeb738978 100644 --- a/fs/cifs/cifs_debug.c +++ b/fs/cifs/cifs_debug.c @@ -889,7 +889,7 @@ security_flags_write(struct file *file, const char __user *buffer, } if(flags & ~CIFSSEC_MASK) { - cERROR(1,("attempt to set unsupported security flags 0x%d", + cERROR(1,("attempt to set unsupported security flags 0x%x", flags & ~CIFSSEC_MASK)); return -EINVAL; } -- cgit v1.2.2