/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License (the "License"). * You may not use this file except in compliance with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright 2009 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ #ifndef _SMB_NETBIOS_H_ #define _SMB_NETBIOS_H_ #include #include #include #include #include #include #include #include #define QUEUE_INSERT_TAIL(q, e) \ ((e)->back) = (void *)((q)->back); \ ((e)->forw) = (void *)(q); \ ((q)->back->forw) = (void *)(e); \ ((q)->back) = (void *)(e); #define QUEUE_CLIP(e) \ (e)->forw->back = (e)->back; \ (e)->back->forw = (e)->forw; \ (e)->forw = 0; \ (e)->back = 0; typedef enum { NETBIOS_EVENT_START = 0, NETBIOS_EVENT_STOP, NETBIOS_EVENT_RESET, NETBIOS_EVENT_NS_START, NETBIOS_EVENT_NS_STOP, NETBIOS_EVENT_DGM_START, NETBIOS_EVENT_DGM_STOP, NETBIOS_EVENT_BROWSER_START, NETBIOS_EVENT_BROWSER_STOP, NETBIOS_EVENT_TIMER_START, NETBIOS_EVENT_TIMER_STOP, NETBIOS_EVENT_ERROR, NETBIOS_EVENT_DUMP } netbios_event_t; typedef enum { NETBIOS_STATE_INIT = 0, NETBIOS_STATE_RUNNING, NETBIOS_STATE_CLOSING, NETBIOS_STATE_ERROR } netbios_state_t; typedef struct { pthread_t s_tid; boolean_t s_up; } netbios_svc_t; typedef struct { mutex_t nbs_mtx; cond_t nbs_cv; netbios_svc_t nbs_ns; netbios_svc_t nbs_dgm; netbios_svc_t nbs_browser; netbios_svc_t nbs_timer; netbios_state_t nbs_state; uint32_t nbs_errors; char *nbs_last_event; } netbios_service_t; extern char smb_node_type; #define SMB_NODETYPE_B 'B' #define SMB_NODETYPE_P 'P' #define SMB_NODETYPE_M 'M' #define SMB_NODETYPE_H 'H' /* * NAME service definitions */ #define ADDR_FLAG_INVALID 0x0000 #define ADDR_FLAG_VALID 0x0001 typedef struct addr_entry { struct addr_entry *forw; struct addr_entry *back; uint32_t attributes; uint32_t conflict_timer; uint32_t refresh_ttl; uint32_t ttl; struct sockaddr_in sin; int sinlen; uint32_t flags; } addr_entry_t; /* * The NODE_NAME ARRAY is an array of zero or more NUM_NAMES entries * of NODE_NAME records. Each NODE_NAME entry represents an active * name in the same NetBIOS scope as the requesting name in the * local name table of the responder. RR_NAME is the requesting * name. * * NODE_NAME Entry: * * 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 3 3 * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * | | * +--- ---+ * | | * +--- NETBIOS FORMAT NAME ---+ * | | * +--- ---+ * | | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * | NAME_FLAGS | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * * The NAME_FLAGS field: * * 1 1 1 1 1 1 * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 * +---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+ * | G | ONT |DRG|CNF|ACT|PRM| RESERVED | * +---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+ * * The NAME_FLAGS field is defined as: * * Symbol Bit(s) Description: * * RESERVED 7-15 Reserved for future use. Must be zero (0). * PRM 6 Permanent Name Flag. If one (1) then entry * is for the permanent node name. Flag is zero * (0) for all other names. * ACT 5 Active Name Flag. All entries have this flag * set to one (1). * CNF 4 Conflict Flag. If one (1) then name on this * node is in conflict. * DRG 3 Deregister Flag. If one (1) then this name * is in the process of being deleted. * ONT 1,2 Owner Node Type: * 00 = B node * 01 = P node * 10 = M node * 11 = Reserved for future use * G 0 Group Name Flag. * name. * If zero (0) then it is a UNIQUE NetBIOS name. */ typedef struct name_entry { struct name_entry *forw; struct name_entry *back; unsigned char name[NETBIOS_NAME_SZ]; unsigned char scope[NETBIOS_DOMAIN_NAME_MAX]; unsigned short attributes; struct addr_entry addr_list; mutex_t mtx; } name_entry_t; struct name_question { struct name_entry *name; unsigned question_type; unsigned question_class; }; struct resource_record { /* * These two flags and address are contained within RDATA * when rr_type==0x0020 (NB - NetBIOS general Name Service) * and rr_class==0x01 (IN - Internet Class). */ struct name_entry *name; unsigned short rr_type; unsigned short rr_class; uint32_t ttl; unsigned short rdlength; unsigned char *rdata; }; struct name_packet { unsigned short name_trn_id; unsigned short info; unsigned qdcount; /* question entries */ unsigned ancount; /* answer recs */ unsigned nscount; /* authority recs */ unsigned arcount; /* additional recs */ struct name_question *question; struct resource_record *answer; struct resource_record *authority; struct resource_record *additional; unsigned char block_data[4]; /* begining of space */ }; #define NAME_OPCODE_R 0x8000 /* RESPONSE flag: 1 bit */ #define NAME_OPCODE_OPCODE_MASK 0x7800 /* OPCODE Field: 4 bits */ #define NAME_OPCODE_QUERY 0x0000 #define NAME_OPCODE_REGISTRATION 0x2800 #define NAME_OPCODE_RELEASE 0x3000 #define NAME_OPCODE_WACK 0x3800 #define NAME_OPCODE_REFRESH 0x4000 #define NAME_OPCODE_MULTIHOME 0x7800 #define NAME_NM_FLAGS_AA 0x0400 /* Authoritative Answer:1 bit */ #define NAME_NM_FLAGS_TC 0x0200 /* Truncation: 1 bit */ #define NAME_NM_FLAGS_RD 0x0100 /* Recursion desired: 1 bit */ #define NAME_NM_FLAGS_RA 0x0080 /* Recursion available: 1 bit */ #define NAME_NM_FLAGS_x2 0x0040 /* reserved, mbz: 1 bit */ #define NAME_NM_FLAGS_x1 0x0020 /* reserved, mbz: 1 bit */ #define NAME_NM_FLAGS_B 0x0010 /* Broadcast: 1 bit */ #define NAME_RCODE_MASK 0x000f /* RCODE Field: 4 bits */ #define RCODE_FMT_ERR 0x0001 #define RCODE_SRV_ERR 0x0002 #define RCODE_NAM_ERR 0x0003 #define RCODE_IMP_ERR 0x0004 #define RCODE_RFS_ERR 0x0005 #define RCODE_ACT_ERR 0x0006 #define RCODE_CFT_ERR 0x0007 #define NM_FLAGS_UNICAST 0 #define NM_FLAGS_BROADCAST NAME_NM_FLAGS_B #define PACKET_TYPE(x) ((x) & (NAME_OPCODE_R | NAME_OPCODE_OPCODE_MASK | \ NAME_NM_FLAGS_AA | NAME_NM_FLAGS_RD)) #define RCODE(x) ((x) & NAME_RCODE_MASK) #define POSITIVE_RESPONSE(x) (RCODE(x) == 0) #define NEGATIVE_RESPONSE(x) (RCODE(x) != 0) #define END_NODE_CHALLENGE_REGISTRATION_REQUEST \ (NAME_OPCODE_REGISTRATION | NAME_NM_FLAGS_AA | NAME_NM_FLAGS_RD) #define END_NODE_CHALLENGE_NAME_REGISTRATION_RESPONSE \ (NAME_OPCODE_R | END_NODE_CHALLENGE_REGISTRATION_REQUEST) #define NAME_QUERY_REQUEST \ (NAME_OPCODE_QUERY | NAME_NM_FLAGS_RD) #define NAME_QUERY_RESPONSE \ (NAME_OPCODE_R | NAME_QUERY_REQUEST | \ NAME_NM_FLAGS_AA | NAME_NM_FLAGS_RD) #define NODE_STATUS_REQUEST \ (NAME_OPCODE_QUERY) #define NODE_STATUS_RESPONSE \ (NAME_OPCODE_R | NODE_STATUS_REQUEST | NAME_NM_FLAGS_AA) #define REDIRECT_NAME_QUERY_RESPONSE \ (NAME_OPCODE_R | NAME_QUERY_REQUEST | NAME_NM_FLAGS_RD) #define NAME_REFRESH_REQUEST \ (NAME_OPCODE_REFRESH) #define NAME_REGISTRATION_REQUEST \ (NAME_OPCODE_REGISTRATION | NAME_NM_FLAGS_RD) #define NAME_MULTIHOME_REGISTRATION_REQUEST \ (NAME_OPCODE_MULTIHOME | NAME_NM_FLAGS_RD) #define NAME_REGISTRATION_RESPONSE \ (NAME_OPCODE_R | NAME_REGISTRATION_REQUEST | NAME_NM_FLAGS_AA) #define NAME_RELEASE_REQUEST \ (NAME_OPCODE_RELEASE) #define NAME_RELEASE_RESPONSE \ (NAME_OPCODE_R | NAME_RELEASE_REQUEST | NAME_NM_FLAGS_AA) #define WACK_RESPONSE \ (NAME_OPCODE_R | NAME_OPCODE_WACK | NAME_NM_FLAGS_AA) #define NAME_QUESTION_TYPE_NB 0x0020 #define NAME_QUESTION_TYPE_NBSTAT 0x0021 #define NAME_QUESTION_CLASS_IN 0x0001 #define NAME_RR_TYPE_A 0x0001 /* IP Address */ #define NAME_RR_TYPE_NS 0x0002 /* Name Server */ #define NAME_RR_TYPE_NULL 0x000A /* NULL */ #define NAME_RR_TYPE_NB 0x0020 /* NetBIOS Name Service */ #define NAME_RR_TYPE_NBSTAT 0x0021 /* NetBIOS Node Status */ #define NAME_RR_CLASS_IN 0x0001 /* NetBIOS Node Status */ #define NAME_NB_FLAGS_ONT_MASK (3<<13) #define NAME_NB_FLAGS_ONT_B (0<<13) /* B-node (broadcast) */ #define NAME_NB_FLAGS_ONT_P (1<<13) /* P-node (point-to-point) */ #define NAME_NB_FLAGS_ONT_M (2<<13) /* M-node (multicast) */ #define NAME_NB_FLAGS_ONT_resv (3<<13) #define NAME_NB_FLAGS_G (1<<15) /* Group Name */ #define UNICAST 0 #define BROADCAST 1 #define POINTCAST 2 #define NAME_ATTR_UNIQUE 0x0000 #define NAME_ATTR_GROUP 0x8000 #define NAME_ATTR_OWNER_NODE_TYPE 0x6000 #define NAME_ATTR_OWNER_TYPE_BNODE 0x0000 #define NAME_ATTR_OWNER_TYPE_PNODE 0x2000 #define NAME_ATTR_OWNER_TYPE_MNODE 0x4000 #define NAME_ATTR_OWNER_TYPE_HNODE 0x6000 #define NAME_ATTR_DEREGISTER 0x1000 #define NAME_ATTR_CONFLICT 0x0800 #define NAME_ATTR_ACTIVE_NAME 0x0400 #define NAME_ATTR_PERMANENT 0x0200 #define NAME_ATTR_RESERVED 0x01FF #define NAME_ATTR_LOCAL 0x0001 #define NODE_TYPE(x) ((x) & NAME_ATTR_OWNER_NODE_TYPE)) #define IS_BNODE(x) (NODE_TYPE(x) == NAME_ATTR_OWNER_TYPE_BNODE) #define IS_PNODE(x) (NODE_TYPE(x) == NAME_ATTR_OWNER_TYPE_PNODE) #define IS_MNODE(x) (NODE_TYPE(x) == NAME_ATTR_OWNER_TYPE_MNODE) #define IS_HNODE(x) (NODE_TYPE(x) == NAME_ATTR_OWNER_TYPE_HNODE) #define IS_UNIQUE(x) (((x) & NAME_ATTR_GROUP) == 0) #define IS_GROUP(x) (((x) & NAME_ATTR_GROUP) != 0) #define IS_PERMANENT(x) (((x) & NAME_ATTR_PERMANENT) != 0) #define IS_CONFLICTING(x) (((x) & NAME_ATTR_CONFLICT) != 0) #define IS_ACTIVE(x) (((x) & NAME_ATTR_ACTIVE) != 0) #define IS_DEGREGISTERED(x) (((x) & NAME_ATTR_ACTIVE) != 0) #define IS_LOCAL(x) (((x) & NAME_ATTR_LOCAL) != 0) #define IS_PUBLIC(x) (((x) & NAME_ATTR_LOCAL) == 0) #define PUBLIC_BITS(x) ((x) & ~NAME_ATTR_RESERVED) #define SAME_SCOPE(scope, e) (strcmp((scope), ((e)->scope)) == 0) /* * STATISTICS Field of the NODE STATUS RESPONSE: * * 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 3 3 * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * | UNIT_ID (Unique unit ID) | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * | UNIT_ID,continued | JUMPERS | TEST_RESULT | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * | VERSION_NUMBER | PERIOD_OF_STATISTICS | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * | NUMBER_OF_CRCs | NUMBER_ALIGNMENT_ERRORS | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * | NUMBER_OF_COLLISIONS | NUMBER_SEND_ABORTS | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * | NUMBER_GOOD_SENDS | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * | NUMBER_GOOD_RECEIVES | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * | NUMBER_RETRANSMITS | NUMBER_NO_RESOURCE_CONDITIONS | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * | NUMBER_FREE_COMMAND_BLOCKS | TOTAL_NUMBER_COMMAND_BLOCKS | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * |MAX_TOTAL_NUMBER_COMMAND_BLOCKS| NUMBER_PENDING_SESSIONS | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * | MAX_NUMBER_PENDING_SESSIONS | MAX_TOTAL_SESSIONS_POSSIBLE | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * | SESSION_DATA_PACKET_SIZE | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ */ typedef struct { unsigned char unit_id[6]; unsigned char jumpers; unsigned char test_result; unsigned short version_number; unsigned short statistical_period; unsigned short crc_errors; unsigned short alignment_errors; unsigned short collisions; unsigned short send_aborts; unsigned int good_sends; unsigned int good_receives; unsigned short retransmits; unsigned short no_resource_conditions; unsigned short free_command_blocks; unsigned short total_command_blocks; unsigned short max_total_command_blocks; unsigned short pending_sessions; unsigned short max_pending_sessions; unsigned short total_possible_sessions; unsigned short session_data_packet_size; } node_status_response; /* * 4.4.1. NetBIOS DATAGRAM HEADER * * 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 3 3 * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * | MSG_TYPE | FLAGS | DGM_ID | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * | SOURCE_IP | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * | SOURCE_PORT | DGM_LENGTH | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * | PACKET_OFFSET | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ */ typedef struct { unsigned char msg_type; unsigned char flags; unsigned short dgm_id; uint32_t source_ip; unsigned short source_port; unsigned short dgm_length; unsigned short packet_offset; } datagram_header; /* * MSG_TYPE values (in hexidecimal): * * 10 - DIRECT_UNIQUE DATAGRAM * 11 - DIRECT_GROUP DATAGRAM * 12 - BROADCAST DATAGRAM * 13 - DATAGRAM ERROR * 14 - DATAGRAM QUERY REQUEST * 15 - DATAGRAM POSITIVE QUERY RESPONSE * 16 - DATAGRAM NEGATIVE QUERY RESPONSE */ #define DATAGRAM_TYPE_DIRECT_UNIQUE 0x10 #define DATAGRAM_TYPE_DIRECT_GROUP 0x11 #define DATAGRAM_TYPE_BROADCAST 0x12 #define DATAGRAM_TYPE_ERROR_DATAGRAM 0x13 #define DATAGRAM_TYPE_QUERY_REQUEST 0x14 #define DATAGRAM_TYPE_POSITIVE_RESPONSE 0x15 #define DATAGRAM_TYPE_NEGATIVE_RESPONSE 0x16 /* * Bit definitions of the FLAGS field: * * 0 1 2 3 4 5 6 7 * +---+---+---+---+---+---+---+---+ * | 0 | 0 | 0 | 0 | SNT | F | M | * +---+---+---+---+---+---+---+---+ * * Symbol Bit(s) Description * * M 7 MORE flag, If set then more NetBIOS datagram * fragments follow. * * F 6 FIRST packet flag, If set then this is first * (and possibly only) fragment of NetBIOS * datagram * * SNT 4,5 Source End-Node type: * 00 = B node * 01 = P node * 10 = M node * 11 = H node * RESERVED 0-3 Reserved, must be zero (0) */ #define DATAGRAM_FLAGS_MORE 0x01 #define DATAGRAM_FLAGS_FIRST 0x02 #define DATAGRAM_FLAGS_SRC_TYPE 0x0c #define DATAGRAM_FLAGS_B_NODE 0x00 #define DATAGRAM_FLAGS_P_NODE 0x04 #define DATAGRAM_FLAGS_M_NODE 0x08 #define DATAGRAM_FLAGS_H_NODE 0x0C #define DATAGRAM_FLAGS_NBDD 0x0c #define DATAGRAM_FLAGS_RESERVED 0xf0 /* * 4.4.2. DIRECT_UNIQUE, DIRECT_GROUP, & BROADCAST DATAGRAM * * 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 3 3 * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * | MSG_TYPE | FLAGS | DGM_ID | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * | SOURCE_IP | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * | SOURCE_PORT | DGM_LENGTH | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * | PACKET_OFFSET | | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | * | | * / SOURCE_NAME / * / / * | | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * | | * / DESTINATION_NAME / * / / * | | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * | | * / USER_DATA / * / / * | | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ */ typedef struct { datagram_header header; unsigned char *source_name; unsigned char *destination_name; unsigned char *user_data; } datagram_packet; /* * 4.4.3. DATAGRAM ERROR PACKET * * 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 3 3 * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * | MSG_TYPE | FLAGS | DGM_ID | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * | SOURCE_IP | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * | SOURCE_PORT | ERROR_CODE | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * * ERROR_CODE values (in hexidecimal): * * 82 - DESTINATION NAME NOT PRESENT * 83 - INVALID SOURCE NAME FORMAT * 84 - INVALID DESTINATION NAME FORMAT */ typedef struct { unsigned char msg_type; unsigned char flags; unsigned short dgm_id; uint32_t source_ip; unsigned short source_port; unsigned char error; } datagram_error_packet; /* * 4.4.4. DATAGRAM QUERY REQUEST * * 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 3 3 * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * | MSG_TYPE | FLAGS | DGM_ID | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * | SOURCE_IP | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * | SOURCE_PORT | | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + * | | * / DESTINATION_NAME / * / / * | | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * * 4.4.5. DATAGRAM POSITIVE AND NEGATIVE QUERY RESPONSE * * 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 3 3 * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * | MSG_TYPE | FLAGS | DGM_ID | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * | SOURCE_IP | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * | SOURCE_PORT | | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + * | | * / DESTINATION_NAME / * / / * | | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ */ typedef struct datagram_query_packet { unsigned char msg_type; unsigned char flags; unsigned short dgm_id; uint32_t source_ip; unsigned short source_port; unsigned char destination_name[MAX_NAME_LENGTH]; } datagram_query_packet; typedef struct datagram { struct datagram *forw; struct datagram *back; struct addr_entry inaddr; int discard_timer; unsigned char packet_type; unsigned char flags; unsigned short datagram_id; struct name_entry src; struct name_entry dest; unsigned short offset; unsigned short data_length; unsigned char *data; unsigned int rawbytes; unsigned char rawbuf[MAX_DATAGRAM_LENGTH]; } datagram; typedef struct datagram_queue { struct datagram *forw; struct datagram *back; } datagram_queue; typedef struct name_queue { struct name_entry head; mutex_t mtx; } name_queue_t; typedef struct nbcache_iter { HT_ITERATOR nbc_hti; struct name_entry *nbc_entry; } nbcache_iter_t; #define NETBIOS_EMPTY_NAME (unsigned char *)"" #define NETBIOS_NAME_IS_STAR(name) \ (bcmp(name, "*\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0", NETBIOS_NAME_SZ) == 0) /* * NetBIOS service state machine interface */ void smb_netbios_event(netbios_event_t); void smb_netbios_wait(netbios_event_t); void smb_netbios_sleep(time_t); boolean_t smb_netbios_running(void); boolean_t smb_netbios_error(void); /* * Name Cache Functions */ int smb_netbios_cache_init(void); void smb_netbios_cache_fini(void); void smb_netbios_cache_dump(FILE *fp); int smb_netbios_cache_count(void); void smb_netbios_cache_clean(void); void smb_netbios_cache_reset_ttl(void); void smb_netbios_cache_delete_locals(name_queue_t *); void smb_netbios_cache_refresh(name_queue_t *); int smb_netbios_cache_insert(struct name_entry *name); int smb_netbios_cache_insert_list(struct name_entry *name); void smb_netbios_cache_delete(struct name_entry *name); int smb_netbios_cache_delete_addr(struct name_entry *name); struct name_entry *smb_netbios_cache_lookup(struct name_entry *name); struct name_entry *smb_netbios_cache_lookup_addr(struct name_entry *name); void smb_netbios_cache_update_entry(struct name_entry *, struct name_entry *); void smb_netbios_cache_unlock_entry(struct name_entry *); unsigned char *smb_netbios_cache_status(unsigned char *, int, unsigned char *); int smb_netbios_cache_getfirst(nbcache_iter_t *); int smb_netbios_cache_getnext(nbcache_iter_t *); void smb_netbios_name_dump(FILE *fp, struct name_entry *entry); void smb_netbios_name_logf(struct name_entry *entry); void smb_netbios_name_freeaddrs(struct name_entry *entry); struct name_entry *smb_netbios_name_dup(struct name_entry *, int); /* Name service functions */ void *smb_netbios_name_service(void *); void smb_init_name_struct(unsigned char *, char, unsigned char *, uint32_t, unsigned short, uint32_t, uint32_t, struct name_entry *); struct name_entry *smb_name_find_name(struct name_entry *name); int smb_name_add_name(struct name_entry *name); int smb_name_delete_name(struct name_entry *name); void smb_name_unlock_name(struct name_entry *name); void smb_netbios_name_config(void); void smb_netbios_name_unconfig(void); void smb_netbios_name_tick(void); int smb_first_level_name_encode(struct name_entry *, unsigned char *, int); int smb_first_level_name_decode(unsigned char *, struct name_entry *); void smb_encode_netbios_name(unsigned char *, char, unsigned char *, struct name_entry *); /* Datagram service functions */ void *smb_netbios_datagram_service(void *); int smb_netbios_datagram_send(struct name_entry *, struct name_entry *, unsigned char *, int); void smb_netbios_datagram_tick(void); /* browser functions */ void *smb_browser_dispatch(void *arg); void *smb_browser_service(void *); int smb_browser_load_transact_header(unsigned char *, int, int, int, char *); /* Netlogon function */ void smb_netlogon_receive(struct datagram *, char *, unsigned char *, int); void smb_netlogon_request(struct name_entry *, char *); #endif /* _SMB_NETBIOS_H_ */