ref: 403fef45c1a65aa74c449764e2857597fc03290a
dir: /sys/src/cmd/cifs/cifs.h/
/* cifs.h */
enum {
Proot = 1, /* LSBs of qid.path for root dir */
Pinfo = 2, /* LSBs of qid.path for info files */
Pshare = 4, /* LSBs of qid.path for share dirs */
NBHDRLEN = 4, /* length of a netbios header */
T2HDRLEN = 64, /* Transaction2 header length */
NO_UID = 0xffff, /* initial UID on connect */
NO_TID = 0xffff, /* initial TID on connect */
MTU = 0xefff, /* our MTU */
CACHETIME = 2, /* seconds read-ahead is valid for */
CIFS_FNAME_MAX = 0xff, /* max file path component len */
OVERHEAD = 80, /* max packet overhead when reading & writing */
IDLE_TIME = 10, /* keepalive send rate in mins */
NBNSTOUT = 300, /* Netbios Name Service Timeout (300ms x 3retrys) */
NBRPCTOUT = 45*60*1000, /* Netbios RPC Timeout (45sec) */
MAX_SHARES = 4096, /* static table of shares attached */
RAP_ERR_MOREINFO= 234, /* non-error code, more info to be fetched */
MAX_DFS_PATH = 512, /* MS says never more than 250 chars... */
Bits16 = 0xFFFF, /* max Unicode value Windows supports */
};
enum {
SMB_COM_CREATE_DIRECTORY = 0x00,
SMB_COM_DELETE_DIRECTORY = 0x01,
SMB_COM_OPEN = 0x02,
SMB_COM_CREATE = 0x03,
SMB_COM_CLOSE = 0x04,
SMB_COM_FLUSH = 0x05,
SMB_COM_DELETE = 0x06,
SMB_COM_RENAME = 0x07,
SMB_COM_QUERY_INFORMATION = 0x08,
SMB_COM_SET_INFORMATION = 0x09,
SMB_COM_READ = 0x0A,
SMB_COM_WRITE = 0x0B,
SMB_COM_LOCK_BYTE_RANGE = 0x0C,
SMB_COM_UNLOCK_BYTE_RANGE = 0x0D,
SMB_COM_CREATE_TEMPORARY = 0x0E,
SMB_COM_CREATE_NEW = 0x0F,
SMB_COM_CHECK_DIRECTORY = 0x10,
SMB_COM_PROCESS_EXIT = 0x11,
SMB_COM_SEEK = 0x12,
SMB_COM_LOCK_AND_READ = 0x13,
SMB_COM_WRITE_AND_UNLOCK = 0x14,
SMB_COM_READ_RAW = 0x1A,
SMB_COM_READ_MPX = 0x1B,
SMB_COM_READ_MPX_SECONDARY = 0x1C,
SMB_COM_WRITE_RAW = 0x1D,
SMB_COM_WRITE_MPX = 0x1E,
SMB_COM_WRITE_MPX_SECONDARY = 0x1F,
SMB_COM_WRITE_COMPLETE = 0x20,
SMB_COM_QUERY_SERVER = 0x21,
SMB_COM_SET_INFORMATION2 = 0x22,
SMB_COM_QUERY_INFORMATION2 = 0x23,
SMB_COM_LOCKING_ANDX = 0x24,
SMB_COM_TRANSACTION = 0x25,
SMB_COM_TRANSACTION_SECONDARY = 0x26,
SMB_COM_IOCTL = 0x27,
SMB_COM_IOCTL_SECONDARY = 0x28,
SMB_COM_COPY = 0x29,
SMB_COM_MOVE = 0x2A,
SMB_COM_ECHO = 0x2B,
SMB_COM_WRITE_AND_CLOSE = 0x2C,
SMB_COM_OPEN_ANDX = 0x2D,
SMB_COM_READ_ANDX = 0x2E,
SMB_COM_WRITE_ANDX = 0x2F,
SMB_COM_NEW_FILE_SIZE = 0x30,
SMB_COM_CLOSE_AND_TREE_DISC = 0x31,
SMB_COM_TRANSACTION2 = 0x32,
SMB_COM_TRANSACTION2_SECONDARY = 0x33,
SMB_COM_FIND_CLOSE2 = 0x34,
SMB_COM_FIND_NOTIFY_CLOSE = 0x35,
SMB_COM_TREE_CONNECT = 0x70,
SMB_COM_TREE_DISCONNECT = 0x71,
SMB_COM_NEGOTIATE = 0x72,
SMB_COM_SESSION_SETUP_ANDX = 0x73,
SMB_COM_LOGOFF_ANDX = 0x74,
SMB_COM_TREE_CONNECT_ANDX = 0x75,
SMB_COM_QUERY_INFORMATION_DISK = 0x80,
SMB_COM_SEARCH = 0x81,
SMB_COM_FIND = 0x82,
SMB_COM_FIND_UNIQUE = 0x83,
SMB_COM_FIND_CLOSE = 0x84,
SMB_COM_NT_TRANSACT = 0xA0,
SMB_COM_NT_TRANSACT_SECONDARY = 0xA1,
SMB_COM_NT_CREATE_ANDX = 0xA2,
SMB_COM_NT_CANCEL = 0xA4,
SMB_COM_NT_RENAME = 0xA5,
SMB_COM_OPEN_PRINT_FILE = 0xC0,
SMB_COM_WRITE_PRINT_FILE = 0xC1,
SMB_COM_CLOSE_PRINT_FILE = 0xC2,
SMB_COM_GET_PRINT_QUEUE = 0xC3,
SMB_COM_READ_BULK = 0xD8,
SMB_COM_WRITE_BULK = 0xD9,
SMB_COM_WRITE_BULK_DATA = 0xDA,
TRANS2_OPEN2 = 0x00,
TRANS2_FIND_FIRST2 = 0x01,
TRANS2_FIND_NEXT2 = 0x02,
TRANS2_QUERY_FS_INFORMATION = 0x03,
TRANS2_QUERY_PATH_INFORMATION = 0x05,
TRANS2_SET_PATH_INFORMATION = 0x06,
TRANS2_QUERY_FILE_INFORMATION = 0x07,
TRANS2_SET_FILE_INFORMATION = 0x08,
TRANS2_CREATE_DIRECTORY = 0x0D,
TRANS2_SESSION_SETUP = 0x0E,
TRANS2_GET_DFS_REFERRAL = 0x10,
NT_TRANSACT_CREATE = 0x01,
NT_TRANSACT_IOCTL = 0x02,
NT_TRANSACT_SET_SECURITY_DESC = 0x03,
NT_TRANSACT_NOTIFY_CHANGE = 0x04,
NT_TRANSACT_RENAME = 0x05,
NT_TRANSACT_QUERY_SECURITY_DESC = 0x06
};
enum { /* CIFS flags */
FL_CASELESS_NAMES = 1<<3,
FL_CANNONICAL_NAMES = 1<<4,
FL2_KNOWS_LONG_NAMES = 1<<0,
FL2_PACKET_SIGNATURES = 1<<2,
FL2_HAS_LONG_NAMES = 1<<6,
FL2_EXTENDED_SECURITY = 1<<11,
FL2_DFS = 1<<12,
FL2_PAGEING_IO = 1<<13, /* allow read of exec only files */
FL2_NT_ERRCODES = 1<<14,
FL2_UNICODE = 1<<15,
};
enum { /* Capabilities Negoiated */
CAP_RAW_MODE = 1,
CAP_MPX_MODE = 1<<1,
CAP_UNICODE = 1<<2,
CAP_LARGE_FILES = 1<<3, /* 64 bit files */
CAP_NT_SMBS = 1<<4,
CAP_RPC_REMOTE_APIS = 1<<5,
CAP_STATUS32 = 1<<6,
CAP_L2_OPLOCKS = 1<<7,
CAP_LOCK_READ = 1<<8,
CAP_NT_FIND = 1<<9,
CAP_DFS = 1<<12,
CAP_INFO_PASSTHRU = 1<<13,
CAP_LARGE_READX = 1<<14,
CAP_LARGE_WRITEX = 1<<15,
CAP_UNIX = 1<<23,
CAP_BULK_TRANSFER = 1<<29,
CAP_COMPRESSED = 1<<30,
CAP_EX_SECURE = 1<<31
};
enum { /* string prefixes */
STR_DIALECT = 2,
STR_PATH = 3,
STR_ASCII = 4,
};
enum { /* optional support bits in treeconnect */
SMB_SUPPROT_SEARCH_BITS = 1,
SMB_SHARE_IS_IN_DFS = 2,
};
enum { /* DFS referal header flags */
DFS_HEADER_ROOT = 1, /* Server type, returns root targets */
DFS_HEADER_STORAGE = 2, /* server has storage, no more referals */
DFS_HEADER_FAILBACK = 4, /* target failback enabled */
};
enum { /* DFS referal entry flags */
DFS_SERVER_ROOT = 1, /* Server type, returns root targets */
DFS_REFERAL_LIST = 0x200, /* reply is a list (v3 only) */
DFS_REFERAL_SET = 0x400, /* target is a member of a set */
};
enum { /* share types */
STYPE_DISKTREE = 0,
STYPE_PRINTQ = 1,
STYPE_DEVICE = 2,
STYPE_IPC = 3,
STYPE_SPECIAL = 4,
STYPE_TEMP = 5,
};
enum { /* Security */
SECMODE_USER = 0x01, /* i.e. not share level security */
SECMODE_PW_ENCRYPT = 0x02,
SECMODE_SIGN_ENABLED = 0x04,
SECMODE_SIGN_REQUIRED = 0x08,
};
enum { /* file access rights */
DELETE = 0x00010000,
SYNCHRONIZE = 0x00100000,
READ_CONTROL = 0x00020000,
GENERIC_ALL = 0x10000000,
GENERIC_EXECUTE = 0x20000000,
GENERIC_WRITE = 0x40000000,
GENERIC_READ = 0x80000000,
ATTR_READONLY = 0x0001,
ATTR_HIDDEN = 0x0002,
ATTR_SYSTEM = 0x0004,
ATTR_VOLUME = 0x0008,
ATTR_DIRECTORY = 0x0010,
ATTR_ARCHIVE = 0x0020,
ATTR_DEVICE = 0x0040,
ATTR_NORMAL = 0x0080,
ATTR_TEMPORARY = 0x0100,
ATTR_SPARSE = 0x0200,
ATTR_REPARSE = 0x0400,
ATTR_COMPRESSED = 0x0800,
ATTR_OFFLINE = 0x100, /* offline storage */
ATTR_NOT_CONTENT_INDEXED= 0x2000,
ATTR_ENCRYPTED = 0x4000,
ATTR_POSIX_SEMANTICS = 0x01000000,
ATTR_BACKUP_SEMANTICS = 0x02000000,
ATTR_DELETE_ON_CLOSE = 0x04000000,
ATTR_SEQUENTIAL_SCAN = 0x08000000,
ATTR_RANDOM_ACCESS = 0x10000000,
ATTR_NO_BUFFERING = 0x20000000,
ATTR_WRITE_THROUGH = 0x80000000,
/* ShareAccess flags */
FILE_NO_SHARE = 0,
FILE_SHARE_READ = 1,
FILE_SHARE_WRITE = 2,
FILE_SHARE_DELETE = 4,
FILE_SHARE_ALL = 7,
/* CreateDisposition flags */
FILE_SUPERSEDE = 0,
FILE_OPEN = 1,
FILE_CREATE = 2,
FILE_OPEN_IF = 3,
FILE_OVERWRITE = 4,
FILE_OVERWRITE_IF = 5,
/* CreateOptions */
FILE_DIRECTORY_FILE = 0x00000001,
FILE_WRITE_THROUGH = 0x00000002,
FILE_SEQUENTIAL_ONLY = 0x00000004,
FILE_NO_INTERMEDIATE_BUFFERING = 0x00000008,
FILE_SYNCHRONOUS_IO_ALERT = 0x00000010,
FILE_SYNCHRONOUS_IO_NONALERT = 0x00000020,
FILE_NON_DIRECTORY_FILE = 0x00000040,
FILE_CREATE_TREE_CONNECTION = 0x00000080,
FILE_COMPLETE_IF_OPLOCKED = 0x00000100,
FILE_NO_EA_KNOWLEDGE = 0x00000200,
FILE_OPEN_FOR_RECOVERY = 0x00000400,
FILE_EIGHT_DOT_THREE_ONLY = 0x00000400, /* samba source says so... */
FILE_RANDOM_ACCESS = 0x00000800,
FILE_DELETE_ON_CLOSE = 0x00001000,
FILE_OPEN_BY_FILE_ID = 0x00002000,
FILE_OPEN_FOR_BACKUP_INTENT = 0x00004000,
FILE_NO_COMPRESSION = 0x00008000,
/* open/create result codes */
FILE_WAS_OPENED = 1,
FILE_WAS_CREATED = 2,
FILE_WAS_OVERWRITTEN = 3,
/* ImpersonationLevel flags */
SECURITY_ANONYMOUS = 0,
SECURITY_IDENTIFICATION = 1,
SECURITY_IMPERSONATION = 2,
SECURITY_DELEGATION = 3,
/* SecurityFlags */
SECURITY_CONTEXT_TRACKING = 1,
SECURITY_EFFECTIVE_ONLY = 2,
/* security descriptor bitmask */
QUERY_OWNER_SECURITY_INFORMATION = 1,
QUERY_GROUP_SECURITY_INFORMATION = 2,
QUERY_DACL_SECURITY_INFORMATION = 4,
QUERY_SACL_SECURITY_INFORMATION = 8,
};
enum { /* PathInfo/FileInfo infolevels */
SMB_INFO_STANDARD = 0x1,
SMB_INFO_IS_NAME_VALID = 0x6,
SMB_QUERY_FILE_BASIC_INFO = 0x101,
SMB_QUERY_FILE_STANDARD_INFO = 0x102,
SMB_QUERY_FILE_NAME_INFO = 0x104,
SMB_QUERY_FILE_ALLOCATION_INFO = 0x105,
SMB_QUERY_FILE_END_OF_FILE_INFO = 0x106,
SMB_QUERY_FILE_ALL_INFO = 0x107,
SMB_QUERY_ALT_NAME_INFO = 0x108,
SMB_QUERY_FILE_STREAM_INFO = 0x109,
SMB_QUERY_FILE_COMPRESSION_INFO = 0x10b,
SMB_QUERY_FILE_UNIX_BASIC = 0x200,
SMB_QUERY_FILE_UNIX_LINK = 0x201,
SMB_SET_FILE_BASIC_INFO = 0x101,
SMB_SET_FILE_DISPOSITION_INFO = 0x102,
SMB_SET_FILE_ALLOCATION_INFO = 0x103,
SMB_SET_FILE_END_OF_FILE_INFO = 0x104,
SMB_SET_FILE_UNIX_BASIC = 0x200,
SMB_SET_FILE_UNIX_LINK = 0x201,
SMB_SET_FILE_UNIX_HLINK = 0x203,
SMB_SET_FILE_BASIC_INFO2 = 0x3ec,
SMB_SET_FILE_RENAME_INFORMATION = 0x3f2,
SMB_SET_FILE_ALLOCATION_INFO2 = 0x3fb,
SMB_SET_FILE_END_OF_FILE_INFO2 = 0x3fc,
/* Find File infolevels */
SMB_FIND_FILE_DIRECTORY_INFO = 0x101,
SMB_FIND_FILE_FULL_DIRECTORY_INFO= 0x102,
SMB_FIND_FILE_NAMES_INFO = 0x103,
SMB_FIND_FILE_BOTH_DIRECTORY_INFO= 0x104,
SMB_FIND_FILE_UNIX = 0x202,
/* Trans2 FindFirst & FindNext */
CIFS_SEARCH_CLOSE_ALWAYS = 0x0001,
CIFS_SEARCH_CLOSE_AT_END = 0x0002,
CIFS_SEARCH_RETURN_RESUME = 0x0004,
CIFS_SEARCH_CONTINUE_FROM_LAST = 0x0008,
CIFS_SEARCH_BACKUP_SEARCH = 0x0010,
/* Trans2 FsInfo */
SMB_INFO_ALLOCATION = 0x1,
SMB_INFO_VOLUME = 0x2,
SMB_QUERY_FS_VOLUME_INFO = 0x102,
SMB_QUERY_FS_SIZE_INFO = 0x103,
SMB_QUERY_FS_DEVICE_INFO = 0x104,
SMB_QUERY_FS_ATTRIBUTE_INFO = 0x105,
SMB_QUERY_CIFS_UNIX_INFO = 0x200,
};
enum { /* things to search for in server lookups */
LOCAL_AUTHORATIVE_ONLY = 0x40000000,
LIST_DOMAINS_ONLY = 0x80000000,
ALL_LEARNT_IN_DOMAIN = 0xFFFFFFFF
};
typedef struct {
char *user; /* username */
char *windom; /* remote server's domain name */
char *resp[2]; /* ASCII/Unicode or LM/NTLM keys */
int len[2]; /* length of above */
uchar *mackey[2]; /* Message Authentication key */
} Auth;
typedef struct {
int fd; /* File descriptor for I/O */
int nbt; /* am using cifs over netbios */
int trn; /* TRN (unique RPC) ID */
int uid; /* user (authentication) ID */
int seq; /* sequence number */
int seqrun; /* sequence numbering active */
int caps; /* server's capabilities */
int support; /* support bits */
int flags; /* SMB flags that we will send in the next packet */
int flags2; /* SMB flags 2 that we will send in the next packet */
int nocache; /* disable write behind caching in server */
int pid; /* process ID */
int mid; /* multiplex ID */
int mtu; /* max size of packet */
int tz; /* Timezone, mins from UTC */
int isguest; /* logged in as guest */
int secmode; /* security mode */
int macidx; /* which MAC is in use, -1 is none */
uchar chal[0xff +1]; /* server's challange for authentication */
int challen; /* length of challange */
long slip; /* time difference between the server and us */
uvlong lastfind; /* nsec when last find peformed */
QLock seqlock; /* sequence number increment */
QLock rpclock; /* actual remote procedure call */
char *cname; /* remote hosts called name (for info) */
char *remos; /* remote hosts OS (for info) */
Auth *auth; /* authentication info */
} Session;
typedef struct {
Session *s;
int tid; /* tree ID received from server */
int seq; /* sequence number expected in reply */
int request; /* request cmd no (for debug) */
int flags2; /* flags2 received with this packet */
uchar *seqbase; /* cifs: pos of sequence number in packet */
uchar *wordbase; /* cifs: base of words section of data */
uchar *bytebase; /* cifs: base of bytes section of data */
uchar *tbase; /* transactions: start of trans packet */
uchar *tsetup; /* transactions: start of setup section */
uchar *tparam; /* transactions: start of params section */
uchar *tdata; /* transactions: start of data section */
uchar *eop; /* received end of packet */
uchar *pos; /* current pos in packet */
uchar *buf; /* packet buffer, must be last entry in struct */
} Pkt;
typedef struct {
char *name;
int tid; /* not part of the protocol, housekeeping */
int options; /* not part of the protocol, housekeeping */
} Share;
typedef struct {
long created; /* last access time */
long accessed; /* last access time */
long written; /* last written time */
long changed; /* change time */
uvlong size; /* file size */
long attribs; /* attributes */
char name[CIFS_FNAME_MAX +1]; /* name */
} FInfo;
typedef struct {
char *wrkstn;
char *user;
long sesstime;
long idletime;
} Sessinfo;
typedef struct {
char *name;
} Namelist;
typedef struct {
char *user;
char *comment;
char *user_comment;
char *fullname;
} Userinfo;
typedef struct {
char *name;
int type;
char *comment;
int perms;
int maxusrs;
int activeusrs;
char *path;
char *passwd;
} Shareinfo2;
typedef struct {
char *name;
int major;
int minor;
int type;
char *comment;
} Serverinfo;
typedef struct {
int type; /* o=unknown, 1=CIFS, 2=netware 3=domain */
int flags; /* 1 == strip off consumed chars before resubmitting */
int ttl; /* time to live of this info in secs */
char *path; /* new path */
char *addr; /* new server */
} Refer;
typedef struct {
char *node;
char *user;
char *langroup;
int major;
int minor;
char *pridom;
char *otherdoms;
} Wrkstainfo;
typedef struct {
int ident;
int perms;
int locks;
char *path;
char *user;
} Fileinfo;
extern int Active;
extern int Checkcase;
extern int Dfstout;
extern char *Debug;
extern char *Host;
extern Session *Sess;
extern Share Ipc;
extern Share Shares[MAX_SHARES];
extern int Nshares;
/* auth.c */
extern void autherr(void);
extern Auth *getauth(char *name, char *windom, char *keyp, int secmode, uchar *chal, int len);
extern int macsign(Pkt *p, int seq);
/* cifs.c */
extern Session *cifsdial(char *host, char *called, char *sysname);
extern void cifsclose(Session *s);
extern Pkt *cifshdr(Session *s, Share *sp, int cmd);
extern void pbytes(Pkt *p);
extern int cifsrpc(Pkt *p);
extern int CIFSnegotiate(Session *s, long *svrtime, char *domain, int domlen, char *cname, int cnamlen);
extern int CIFSsession(Session *s);
extern int CIFStreeconnect(Session *s, char *cname, char *tree, Share *sp);
extern int CIFSlogoff(Session *s);
extern int CIFStreedisconnect(Session *s, Share *sp);
extern int CIFSdeletefile(Session *s, Share *sp, char *name);
extern int CIFSdeletedirectory(Session *s, Share *sp, char *name);
extern int CIFScreatedirectory(Session *s, Share *sp, char *name);
extern int CIFSrename(Session *s, Share *sp, char *old, char *new);
extern int CIFS_NT_opencreate(Session *s, Share *sp, char *name, int flags, int options, int attrs, int access, int share, int action, int *result, FInfo *fi);
extern int CIFS_SMB_opencreate(Session *s, Share *sp, char *name, int access, int attrs, int action, int *result);
extern vlong CIFSwrite(Session *s, Share *sp, int fh, uvlong off, void *buf, vlong n);
extern vlong CIFSread(Session *s, Share *sp, int fh, uvlong off, void *buf, vlong n, vlong minlen);
extern int CIFSflush(Session *s, Share *sp, int fh);
extern int CIFSclose(Session *s, Share *sp, int fh);
extern int CIFSfindclose2(Session *s, Share *sp, int sh);
extern int CIFSecho(Session *s);
extern int CIFSsetinfo(Session *s, Share *sp, char *path, FInfo *fip);
/* dfs.c */
extern int dfscacheinfo(Fmt *f);
extern char *trimshare(char *s);
extern char *mapfile(char *opath);
extern int mapshare(char *path, Share **osp);
extern int redirect(Session *s, Share *sp, char *path);
/* doserrstr.c */
extern char *doserrstr(uint err);
/* fs.c */
extern int shareinfo(Fmt *f);
extern int openfileinfo(Fmt *f);
extern int conninfo(Fmt *f);
extern int sessioninfo(Fmt *f);
extern int dfsrootinfo(Fmt *f);
extern int userinfo(Fmt *f);
extern int groupinfo(Fmt *f);
extern int domaininfo(Fmt *f);
extern int workstationinfo(Fmt *f);
/* info.c */
extern int walkinfo(char *name);
extern int numinfo(void);
extern int dirgeninfo(int slot, Dir *d);
extern int makeinfo(int path);
extern int readinfo(int path, char *buf, int len, int off);
extern void freeinfo(int path);
/* main.c */
extern void setup(void);
extern int filetableinfo(Fmt *f);
extern Qid mkqid(char *s, int is_dir, long vers, int subtype, long path);
extern int rdonly(Session *s, Share *sp, char *path, int rdonly);
extern void usage(void);
extern void dmpkey(char *s, void *v, int n);
extern void main(int argc, char **argv);
/* misc.c */
extern char *strupr(char *s);
extern char *strlwr(char *s);
/* netbios.c */
extern void Gmem(uchar **p, void *v, int n);
extern int calledname(char *host, char *name);
extern int nbtdial(char *addr, char *called, char *sysname);
extern void nbthdr(Pkt *p);
extern int nbtrpc(Pkt *p);
extern void xd(char *str, void *buf, int n);
/* nterrstr.c */
extern char *nterrstr(uint err);
/* pack.c */
extern void *pmem(Pkt *p, void *v, int len);
extern void *ppath(Pkt *p, char *str);
extern void *pstr(Pkt *p, char *str);
extern void *pascii(Pkt *p, char *str);
extern void *pl64(Pkt *p, uvlong n);
extern void *pb32(Pkt *p, uint n);
extern void *pl32(Pkt *p, uint n);
extern void *pb16(Pkt *p, uint n);
extern void *pl16(Pkt *p, uint n);
extern void *p8(Pkt *p, uint n);
extern void *pname(Pkt *p, char *name, char pad);
extern void *pvtime(Pkt *p, uvlong n);
extern void *pdatetime(Pkt *p, long utc);
extern void gmem(Pkt *p, void *v, int n);
extern void gstr(Pkt *p, char *str, int n);
extern void gstr_noalign(Pkt *p, char *str, int n);
extern void gascii(Pkt *p, char *str, int n);
extern uvlong gl64(Pkt *p);
extern uvlong gb48(Pkt *p);
extern uint gb32(Pkt *p);
extern uint gl32(Pkt *p);
extern uint gb16(Pkt *p);
extern uint gl16(Pkt *p);
extern uint g8(Pkt *p);
extern long gdatetime(Pkt *p);
extern long gvtime(Pkt *p);
extern void gconv(Pkt *p, int conv, char *str, int n);
extern void goff(Pkt *p, uchar *base, char *str, int n);
/* ping.c */
extern int ping(char *host, int timeout);
/* raperrstr.c */
extern char *raperrstr(uint err);
/* sid2name.c */
extern void upd_names(Session *s, Share *sp, char *path, Dir *d);
/* trans.c */
extern int RAPshareenum(Session *s, Share *sp, Share **ent);
extern int RAPshareinfo(Session *s, Share *sp, char *share, Shareinfo2 *si2p);
extern int RAPsessionenum(Session *s, Share *sp, Sessinfo **sip);
extern int RAPgroupenum(Session *s, Share *sp, Namelist **nlp);
extern int RAPgroupusers(Session *s, Share *sp, char *group, Namelist **nlp);
extern int RAPuserenum(Session *s, Share *sp, Namelist **nlp);
extern int RAPuserenum2(Session *s, Share *sp, Namelist **nlp);
extern int RAPuserinfo(Session *s, Share *sp, char *user, Userinfo *uip);
extern int RAPServerenum2(Session *s, Share *sp, char *workgroup, int type, int *more, Serverinfo **si);
extern int RAPServerenum3(Session *s, Share *sp, char *workgroup, int type, int last, Serverinfo *si);
extern int RAPFileenum2(Session *s, Share *sp, char *user, char *path, Fileinfo **fip);
/* trans2.c */
extern int T2findfirst(Session *s, Share *sp, int slots, char *path, int *got, long *resume, FInfo *fip);
extern int T2findnext(Session *s, Share *sp, int slots, char *path, int *got, long *resume, FInfo *fip, int sh);
extern int T2queryall(Session *s, Share *sp, char *path, FInfo *fip);
extern int T2querystandard(Session *s, Share *sp, char *path, FInfo *fip);
extern int T2setpathinfo(Session *s, Share *sp, char *path, FInfo *fip);
extern int T2setfilelength(Session *s, Share *sp, int fh, FInfo *fip);
extern int T2fsvolumeinfo(Session *s, Share *sp, long *created, long *serialno, char *label, int labellen);
extern int T2fssizeinfo(Session *s, Share *sp, uvlong *total, uvlong *unused);
extern int T2getdfsreferral(Session *s, Share *sp, char *path, int *gflags, int *used, Refer *re, int nent);
extern int T2fsdeviceinfo(Session *s, Share *sp, int *type, int *flags);
/* transnt.c */
extern int TNTquerysecurity(Session *s, Share *sp, int fh, char **usid, char **gsid);