diff options
| -rw-r--r-- | source3/include/client.h | 9 | ||||
| -rw-r--r-- | source3/include/smb.h | 8 | ||||
| -rw-r--r-- | source3/smbd/negprot.c | 378 | ||||
| -rw-r--r-- | source3/smbd/sesssetup.c | 5 |
4 files changed, 206 insertions, 194 deletions
diff --git a/source3/include/client.h b/source3/include/client.h index 0974cd0666..15fc168cbb 100644 --- a/source3/include/client.h +++ b/source3/include/client.h @@ -57,6 +57,13 @@ struct print_job_info time_t t; }; +typedef struct smb_sign_info { + BOOL use_smb_signing; + size_t mac_key_len; + uint8 mac_key[44]; + uint32 seq_num; +} smb_sign_info; + struct cli_state { int port; int fd; @@ -109,6 +116,8 @@ struct cli_state { TALLOC_CTX *mem_ctx; + smb_sign_info sign_info; + /* * Only used in NT domain calls. */ diff --git a/source3/include/smb.h b/source3/include/smb.h index e34032bfbf..8d66fa71d1 100644 --- a/source3/include/smb.h +++ b/source3/include/smb.h @@ -1281,6 +1281,12 @@ char *strdup(char *s); #define BROWSER_ELECTION_VERSION 0x010f #define BROWSER_CONSTANT 0xaa55 +/* Sercurity mode bits. */ +#define NEGOTIATE_SECURITY_USER_LEVEL 0x01 +#define NEGOTIATE_SECURITY_CHALLENGE_RESPONSE 0x02 +#define NEGOTIATE_SECURITY_SIGNATURES_ENABLED 0x04 +#define NEGOTIATE_SECURITY_SIGNATURES_REQUIRED 0x08 + /* NT Flags2 bits - cifs6.txt section 3.1.2 */ #define FLAGS2_LONG_PATH_COMPONENTS 0x0001 @@ -1310,7 +1316,7 @@ char *strdup(char *s); #define CAP_W2K_SMBS 0x2000 #define CAP_LARGE_READX 0x4000 #define CAP_LARGE_WRITEX 0x8000 -#define CAP_UNIX 0x800000 /* Capabilities for UNIX extensions. Created by HP. */ +#define CAP_UNIX 0x800000 /* Capabilities for UNIX extensions. Created by HP. */ #define CAP_EXTENDED_SECURITY 0x80000000 /* protocol types. It assumes that higher protocols include lower protocols diff --git a/source3/smbd/negprot.c b/source3/smbd/negprot.c index c548ee6196..81c2427a00 100644 --- a/source3/smbd/negprot.c +++ b/source3/smbd/negprot.c @@ -50,8 +50,9 @@ static void get_challenge(char buff[8]) } /**************************************************************************** -reply for the core protocol + Reply for the core protocol. ****************************************************************************/ + static int reply_corep(char *inbuf, char *outbuf) { int outsize = set_message(outbuf,1,0,True); @@ -61,107 +62,110 @@ static int reply_corep(char *inbuf, char *outbuf) return outsize; } - /**************************************************************************** -reply for the coreplus protocol + Reply for the coreplus protocol. ****************************************************************************/ + static int reply_coreplus(char *inbuf, char *outbuf) { - int raw = (lp_readraw()?1:0) | (lp_writeraw()?2:0); - int outsize = set_message(outbuf,13,0,True); - SSVAL(outbuf,smb_vwv5,raw); /* tell redirector we support - readbraw and writebraw (possibly) */ - /* Reply, SMBlockread, SMBwritelock supported. */ - SCVAL(outbuf,smb_flg,FLAG_REPLY|FLAG_SUPPORT_LOCKREAD); - SSVAL(outbuf,smb_vwv1,0x1); /* user level security, don't encrypt */ + int raw = (lp_readraw()?1:0) | (lp_writeraw()?2:0); + int outsize = set_message(outbuf,13,0,True); + SSVAL(outbuf,smb_vwv5,raw); /* tell redirector we support + readbraw and writebraw (possibly) */ + /* Reply, SMBlockread, SMBwritelock supported. */ + SCVAL(outbuf,smb_flg,FLAG_REPLY|FLAG_SUPPORT_LOCKREAD); + SSVAL(outbuf,smb_vwv1,0x1); /* user level security, don't encrypt */ - Protocol = PROTOCOL_COREPLUS; + Protocol = PROTOCOL_COREPLUS; - return outsize; + return outsize; } - /**************************************************************************** -reply for the lanman 1.0 protocol + Reply for the lanman 1.0 protocol. ****************************************************************************/ + static int reply_lanman1(char *inbuf, char *outbuf) { - int raw = (lp_readraw()?1:0) | (lp_writeraw()?2:0); - int secword=0; - time_t t = time(NULL); + int raw = (lp_readraw()?1:0) | (lp_writeraw()?2:0); + int secword=0; + time_t t = time(NULL); - global_encrypted_passwords_negotiated = lp_encrypted_passwords(); + global_encrypted_passwords_negotiated = lp_encrypted_passwords(); - if (lp_security()>=SEC_USER) secword |= 1; - if (global_encrypted_passwords_negotiated) secword |= 2; + if (lp_security()>=SEC_USER) + secword |= NEGOTIATE_SECURITY_USER_LEVEL; + if (global_encrypted_passwords_negotiated) + secword |= NEGOTIATE_SECURITY_CHALLENGE_RESPONSE; - set_message(outbuf,13,global_encrypted_passwords_negotiated?8:0,True); - SSVAL(outbuf,smb_vwv1,secword); - /* Create a token value and add it to the outgoing packet. */ - if (global_encrypted_passwords_negotiated) { - get_challenge(smb_buf(outbuf)); - } + set_message(outbuf,13,global_encrypted_passwords_negotiated?8:0,True); + SSVAL(outbuf,smb_vwv1,secword); + /* Create a token value and add it to the outgoing packet. */ + if (global_encrypted_passwords_negotiated) { + get_challenge(smb_buf(outbuf)); + } - Protocol = PROTOCOL_LANMAN1; + Protocol = PROTOCOL_LANMAN1; - /* Reply, SMBlockread, SMBwritelock supported. */ - SCVAL(outbuf,smb_flg,FLAG_REPLY|FLAG_SUPPORT_LOCKREAD); - SSVAL(outbuf,smb_vwv2,max_recv); - SSVAL(outbuf,smb_vwv3,lp_maxmux()); /* maxmux */ - SSVAL(outbuf,smb_vwv4,1); - SSVAL(outbuf,smb_vwv5,raw); /* tell redirector we support - readbraw writebraw (possibly) */ - SIVAL(outbuf,smb_vwv6,sys_getpid()); - SSVAL(outbuf,smb_vwv10, TimeDiff(t)/60); + /* Reply, SMBlockread, SMBwritelock supported. */ + SCVAL(outbuf,smb_flg,FLAG_REPLY|FLAG_SUPPORT_LOCKREAD); + SSVAL(outbuf,smb_vwv2,max_recv); + SSVAL(outbuf,smb_vwv3,lp_maxmux()); /* maxmux */ + SSVAL(outbuf,smb_vwv4,1); + SSVAL(outbuf,smb_vwv5,raw); /* tell redirector we support + readbraw writebraw (possibly) */ + SIVAL(outbuf,smb_vwv6,sys_getpid()); + SSVAL(outbuf,smb_vwv10, TimeDiff(t)/60); - put_dos_date(outbuf,smb_vwv8,t); + put_dos_date(outbuf,smb_vwv8,t); - return (smb_len(outbuf)+4); + return (smb_len(outbuf)+4); } - /**************************************************************************** -reply for the lanman 2.0 protocol + Reply for the lanman 2.0 protocol. ****************************************************************************/ + static int reply_lanman2(char *inbuf, char *outbuf) { - int raw = (lp_readraw()?1:0) | (lp_writeraw()?2:0); - int secword=0; - time_t t = time(NULL); + int raw = (lp_readraw()?1:0) | (lp_writeraw()?2:0); + int secword=0; + time_t t = time(NULL); - global_encrypted_passwords_negotiated = lp_encrypted_passwords(); + global_encrypted_passwords_negotiated = lp_encrypted_passwords(); - if (lp_security()>=SEC_USER) secword |= 1; - if (global_encrypted_passwords_negotiated) secword |= 2; - - set_message(outbuf,13,global_encrypted_passwords_negotiated?8:0,True); - SSVAL(outbuf,smb_vwv1,secword); - SIVAL(outbuf,smb_vwv6,sys_getpid()); - - /* Create a token value and add it to the outgoing packet. */ - if (global_encrypted_passwords_negotiated) { - get_challenge(smb_buf(outbuf)); - } - - Protocol = PROTOCOL_LANMAN2; - - /* Reply, SMBlockread, SMBwritelock supported. */ - SCVAL(outbuf,smb_flg,FLAG_REPLY|FLAG_SUPPORT_LOCKREAD); - SSVAL(outbuf,smb_vwv2,max_recv); - SSVAL(outbuf,smb_vwv3,lp_maxmux()); - SSVAL(outbuf,smb_vwv4,1); - SSVAL(outbuf,smb_vwv5,raw); /* readbraw and/or writebraw */ - SSVAL(outbuf,smb_vwv10, TimeDiff(t)/60); - put_dos_date(outbuf,smb_vwv8,t); - - return (smb_len(outbuf)+4); -} + if (lp_security()>=SEC_USER) + secword |= NEGOTIATE_SECURITY_USER_LEVEL; + if (global_encrypted_passwords_negotiated) + secword |= NEGOTIATE_SECURITY_CHALLENGE_RESPONSE; + set_message(outbuf,13,global_encrypted_passwords_negotiated?8:0,True); + SSVAL(outbuf,smb_vwv1,secword); + SIVAL(outbuf,smb_vwv6,sys_getpid()); + /* Create a token value and add it to the outgoing packet. */ + if (global_encrypted_passwords_negotiated) { + get_challenge(smb_buf(outbuf)); + } + + Protocol = PROTOCOL_LANMAN2; + + /* Reply, SMBlockread, SMBwritelock supported. */ + SCVAL(outbuf,smb_flg,FLAG_REPLY|FLAG_SUPPORT_LOCKREAD); + SSVAL(outbuf,smb_vwv2,max_recv); + SSVAL(outbuf,smb_vwv3,lp_maxmux()); + SSVAL(outbuf,smb_vwv4,1); + SSVAL(outbuf,smb_vwv5,raw); /* readbraw and/or writebraw */ + SSVAL(outbuf,smb_vwv10, TimeDiff(t)/60); + put_dos_date(outbuf,smb_vwv8,t); + + return (smb_len(outbuf)+4); +} + +/**************************************************************************** + Generate the spnego negprot reply blob. Return the number of bytes used. +****************************************************************************/ -/* - generate the spnego negprot reply blob. Return the number of bytes used -*/ static int negprot_spnego(char *p) { DATA_BLOB blob; @@ -211,11 +215,10 @@ static int negprot_spnego(char *p) return len; } - - /**************************************************************************** -reply for the nt protocol + Reply for the nt protocol. ****************************************************************************/ + static int reply_nt1(char *inbuf, char *outbuf) { /* dual names + lock_and_read + nt SMBs + remote API calls */ @@ -262,9 +265,9 @@ static int reply_nt1(char *inbuf, char *outbuf) capabilities |= CAP_DFS; if (lp_security() >= SEC_USER) - secword |= 1; + secword |= NEGOTIATE_SECURITY_USER_LEVEL; if (global_encrypted_passwords_negotiated) - secword |= 2; + secword |= NEGOTIATE_SECURITY_CHALLENGE_RESPONSE; set_message(outbuf,17,0,True); @@ -377,133 +380,128 @@ protocol [LANMAN2.1] /* List of supported protocols, most desired first */ static struct { - char *proto_name; - char *short_name; - int (*proto_reply_fn)(char *, char *); - int protocol_level; + char *proto_name; + char *short_name; + int (*proto_reply_fn)(char *, char *); + int protocol_level; } supported_protocols[] = { - {"NT LANMAN 1.0", "NT1", reply_nt1, PROTOCOL_NT1}, - {"NT LM 0.12", "NT1", reply_nt1, PROTOCOL_NT1}, - {"LM1.2X002", "LANMAN2", reply_lanman2, PROTOCOL_LANMAN2}, - {"Samba", "LANMAN2", reply_lanman2, PROTOCOL_LANMAN2}, - {"DOS LM1.2X002", "LANMAN2", reply_lanman2, PROTOCOL_LANMAN2}, - {"LANMAN1.0", "LANMAN1", reply_lanman1, PROTOCOL_LANMAN1}, - {"MICROSOFT NETWORKS 3.0", "LANMAN1", reply_lanman1, PROTOCOL_LANMAN1}, - {"MICROSOFT NETWORKS 1.03", "COREPLUS", reply_coreplus, PROTOCOL_COREPLUS}, - {"PC NETWORK PROGRAM 1.0", "CORE", reply_corep, PROTOCOL_CORE}, - {NULL,NULL,NULL,0}, + {"NT LANMAN 1.0", "NT1", reply_nt1, PROTOCOL_NT1}, + {"NT LM 0.12", "NT1", reply_nt1, PROTOCOL_NT1}, + {"LM1.2X002", "LANMAN2", reply_lanman2, PROTOCOL_LANMAN2}, + {"Samba", "LANMAN2", reply_lanman2, PROTOCOL_LANMAN2}, + {"DOS LM1.2X002", "LANMAN2", reply_lanman2, PROTOCOL_LANMAN2}, + {"LANMAN1.0", "LANMAN1", reply_lanman1, PROTOCOL_LANMAN1}, + {"MICROSOFT NETWORKS 3.0", "LANMAN1", reply_lanman1, PROTOCOL_LANMAN1}, + {"MICROSOFT NETWORKS 1.03", "COREPLUS", reply_coreplus, PROTOCOL_COREPLUS}, + {"PC NETWORK PROGRAM 1.0", "CORE", reply_corep, PROTOCOL_CORE}, + {NULL,NULL,NULL,0}, }; - /**************************************************************************** - reply to a negprot + Reply to a negprot. ****************************************************************************/ + int reply_negprot(connection_struct *conn, char *inbuf,char *outbuf, int dum_size, int dum_buffsize) { - int outsize = set_message(outbuf,1,0,True); - int Index=0; - int choice= -1; - int protocol; - char *p; - int bcc = SVAL(smb_buf(inbuf),-2); - int arch = ARCH_ALL; - START_PROFILE(SMBnegprot); - - p = smb_buf(inbuf)+1; - while (p < (smb_buf(inbuf) + bcc)) - { - Index++; - DEBUG(3,("Requested protocol [%s]\n",p)); - if (strcsequal(p,"Windows for Workgroups 3.1a")) - arch &= ( ARCH_WFWG | ARCH_WIN95 | ARCH_WINNT | ARCH_WIN2K ); - else if (strcsequal(p,"DOS LM1.2X002")) - arch &= ( ARCH_WFWG | ARCH_WIN95 ); - else if (strcsequal(p,"DOS LANMAN2.1")) - arch &= ( ARCH_WFWG | ARCH_WIN95 ); - else if (strcsequal(p,"NT LM 0.12")) - arch &= ( ARCH_WIN95 | ARCH_WINNT | ARCH_WIN2K ); - else if (strcsequal(p,"LANMAN2.1")) - arch &= ( ARCH_WINNT | ARCH_WIN2K | ARCH_OS2 ); - else if (strcsequal(p,"LM1.2X002")) - arch &= ( ARCH_WINNT | ARCH_WIN2K | ARCH_OS2 ); - else if (strcsequal(p,"MICROSOFT NETWORKS 1.03")) - arch &= ARCH_WINNT; - else if (strcsequal(p,"XENIX CORE")) - arch &= ( ARCH_WINNT | ARCH_OS2 ); - else if (strcsequal(p,"Samba")) { - arch = ARCH_SAMBA; - break; - } + int outsize = set_message(outbuf,1,0,True); + int Index=0; + int choice= -1; + int protocol; + char *p; + int bcc = SVAL(smb_buf(inbuf),-2); + int arch = ARCH_ALL; + START_PROFILE(SMBnegprot); + + p = smb_buf(inbuf)+1; + while (p < (smb_buf(inbuf) + bcc)) { + Index++; + DEBUG(3,("Requested protocol [%s]\n",p)); + if (strcsequal(p,"Windows for Workgroups 3.1a")) + arch &= ( ARCH_WFWG | ARCH_WIN95 | ARCH_WINNT | ARCH_WIN2K ); + else if (strcsequal(p,"DOS LM1.2X002")) + arch &= ( ARCH_WFWG | ARCH_WIN95 ); + else if (strcsequal(p,"DOS LANMAN2.1")) + arch &= ( ARCH_WFWG | ARCH_WIN95 ); + else if (strcsequal(p,"NT LM 0.12")) + arch &= ( ARCH_WIN95 | ARCH_WINNT | ARCH_WIN2K ); + else if (strcsequal(p,"LANMAN2.1")) + arch &= ( ARCH_WINNT | ARCH_WIN2K | ARCH_OS2 ); + else if (strcsequal(p,"LM1.2X002")) + arch &= ( ARCH_WINNT | ARCH_WIN2K | ARCH_OS2 ); + else if (strcsequal(p,"MICROSOFT NETWORKS 1.03")) + arch &= ARCH_WINNT; + else if (strcsequal(p,"XENIX CORE")) + arch &= ( ARCH_WINNT | ARCH_OS2 ); + else if (strcsequal(p,"Samba")) { + arch = ARCH_SAMBA; + break; + } - p += strlen(p) + 2; - } + p += strlen(p) + 2; + } - switch ( arch ) { - case ARCH_SAMBA: - set_remote_arch(RA_SAMBA); - break; - case ARCH_WFWG: - set_remote_arch(RA_WFWG); - break; - case ARCH_WIN95: - set_remote_arch(RA_WIN95); - break; - case ARCH_WINNT: - if(SVAL(inbuf,smb_flg2)==FLAGS2_WIN2K_SIGNATURE) - set_remote_arch(RA_WIN2K); - else - set_remote_arch(RA_WINNT); - break; - case ARCH_WIN2K: - set_remote_arch(RA_WIN2K); - break; - case ARCH_OS2: - set_remote_arch(RA_OS2); - break; - default: - set_remote_arch(RA_UNKNOWN); - break; - } + switch ( arch ) { + case ARCH_SAMBA: + set_remote_arch(RA_SAMBA); + break; + case ARCH_WFWG: + set_remote_arch(RA_WFWG); + break; + case ARCH_WIN95: + set_remote_arch(RA_WIN95); + break; + case ARCH_WINNT: + if(SVAL(inbuf,smb_flg2)==FLAGS2_WIN2K_SIGNATURE) + set_remote_arch(RA_WIN2K); + else + set_remote_arch(RA_WINNT); + break; + case ARCH_WIN2K: + set_remote_arch(RA_WIN2K); + break; + case ARCH_OS2: + set_remote_arch(RA_OS2); + break; + default: + set_remote_arch(RA_UNKNOWN); + break; + } - /* possibly reload - change of architecture */ - reload_services(True); + /* possibly reload - change of architecture */ + reload_services(True); - /* Check for protocols, most desirable first */ - for (protocol = 0; supported_protocols[protocol].proto_name; protocol++) - { - p = smb_buf(inbuf)+1; - Index = 0; - if ((supported_protocols[protocol].protocol_level <= lp_maxprotocol()) && - (supported_protocols[protocol].protocol_level >= lp_minprotocol())) - while (p < (smb_buf(inbuf) + bcc)) - { - if (strequal(p,supported_protocols[protocol].proto_name)) - choice = Index; - Index++; - p += strlen(p) + 2; - } - if(choice != -1) - break; - } + /* Check for protocols, most desirable first */ + for (protocol = 0; supported_protocols[protocol].proto_name; protocol++) { + p = smb_buf(inbuf)+1; + Index = 0; + if ((supported_protocols[protocol].protocol_level <= lp_maxprotocol()) && + (supported_protocols[protocol].protocol_level >= lp_minprotocol())) + while (p < (smb_buf(inbuf) + bcc)) { + if (strequal(p,supported_protocols[protocol].proto_name)) + choice = Index; + Index++; + p += strlen(p) + 2; + } + if(choice != -1) + break; + } - SSVAL(outbuf,smb_vwv0,choice); - if(choice != -1) { - extern fstring remote_proto; - fstrcpy(remote_proto,supported_protocols[protocol].short_name); - reload_services(True); - outsize = supported_protocols[protocol].proto_reply_fn(inbuf, outbuf); - DEBUG(3,("Selected protocol %s\n",supported_protocols[protocol].proto_name)); - } - else { - DEBUG(0,("No protocol supported !\n")); - } - SSVAL(outbuf,smb_vwv0,choice); + SSVAL(outbuf,smb_vwv0,choice); + if(choice != -1) { + extern fstring remote_proto; + fstrcpy(remote_proto,supported_protocols[protocol].short_name); + reload_services(True); + outsize = supported_protocols[protocol].proto_reply_fn(inbuf, outbuf); + DEBUG(3,("Selected protocol %s\n",supported_protocols[protocol].proto_name)); + } else { + DEBUG(0,("No protocol supported !\n")); + } + SSVAL(outbuf,smb_vwv0,choice); - DEBUG( 5, ( "negprot index=%d\n", choice ) ); + DEBUG( 5, ( "negprot index=%d\n", choice ) ); - END_PROFILE(SMBnegprot); - return(outsize); + END_PROFILE(SMBnegprot); + return(outsize); } - diff --git a/source3/smbd/sesssetup.c b/source3/smbd/sesssetup.c index cdddb37932..867b00ff5c 100644 --- a/source3/smbd/sesssetup.c +++ b/source3/smbd/sesssetup.c @@ -236,8 +236,7 @@ static int reply_spnego_negotiate(connection_struct *conn, DATA_BLOB secblob; int i; uint32 ntlmssp_command, neg_flags, chal_flags; - DATA_BLOB sess_key, chal, spnego_chal, extra_data; - char *workstation, *domain; + DATA_BLOB chal, spnego_chal, extra_data; const uint8 *cryptkey; BOOL got_kerberos = False; NTSTATUS nt_status; @@ -313,7 +312,7 @@ static int reply_spnego_negotiate(connection_struct *conn, NTLMSSP_CHAL_TARGET_INFO; { - DATA_BLOB domain_blob, netbios_blob, realm_blob, ident_info_blob; + DATA_BLOB domain_blob, netbios_blob, realm_blob; msrpc_gen(&domain_blob, "U", |