| /* |
| * Copyright (c) 1989, 1990, 1991 by the University of Washington |
| * |
| * For copying and distribution information, please see the file |
| * <copyright.h>. |
| * |
| * v1.2.0 - 11/19/91 (mmt) - added MSDOS & OS2 stuff |
| * v1.1.2 - 08/30/91 (bpk) - added VMS support |
| * v1.1.1 - 08/20/91 (bpk) - 4.2 -> 4.2B |
| */ |
| |
| #include <copyright.h> |
| |
| #ifdef VMS |
| # include <vms.h> |
| #else /* not VMS */ |
| # ifndef _TYPES_ |
| # include <sys/types.h> |
| # endif /* _TYPES_ */ |
| # ifndef IN_H |
| # include <netinet/in.h> |
| # define IN_H |
| # endif |
| #endif /* VMS */ |
| |
| #ifndef NULL |
| # ifdef MSDOS |
| # include <stdio.h> |
| # else |
| # define NULL 0 |
| # endif /* MSDOS */ |
| #endif /* NULL */ |
| |
| #define PFS_RELEASE "Beta.4.2D" |
| /* moved up for vdir_init */ |
| #define ZERO(p) bzero((char *)(p), sizeof(*(p))) |
| |
| /* General Definitions */ |
| |
| #define MAX_PTXT_LEN 1250 /* Max length of PTEXT structure */ |
| #define MAX_PTXT_HDR 32 /* Max offset for start */ |
| #define P_ERR_STRING_SZ 100 /* Size of error string */ |
| #define MAX_VPATH 1024 /* Max length of virtual pathname */ |
| |
| /* Definition of text structure used to pass text around */ |
| |
| struct ptext { |
| int length; /* Length of text (from start) */ |
| char *start; /* Start of text */ |
| char dat[MAX_PTXT_LEN+2*MAX_PTXT_HDR];/* The data itself */ |
| unsigned long mbz; /* ZERO to catch runaway strings */ |
| struct ptext *previous; /* Previous element in list */ |
| struct ptext *next; /* Next element in linked list */ |
| int seq; /* Sequence Number */ |
| }; |
| |
| typedef struct ptext *PTEXT; |
| typedef struct ptext PTEXT_ST; |
| |
| /* Request structure: maintains information about server requests */ |
| struct preq { |
| int cid; /* Connection ID */ |
| short priority; /* Connection priority */ |
| int pf_priority; /* Priority assigned by pri_func */ |
| int recv_tot; /* Total # of packets received */ |
| int trns_tot; /* Total # of packets to transmit */ |
| struct ptext *cpkt; /* Current packet being filled in */ |
| struct ptext *recv; /* Received packets */ |
| struct ptext *trns; /* Transmitted packets */ |
| int rcvd_thru; /* Received all packets through # */ |
| struct preq *previous; /* Previous element in list */ |
| struct preq *next; /* Next element in linked list */ |
| struct sockaddr_in fromto; /* Sender/Destination */ |
| }; |
| |
| typedef struct preq *PREQ; |
| typedef struct preq PREQ_ST; |
| |
| |
| /* Definition of structure containing information on virtual link */ |
| |
| struct vlink { |
| int dontfree; /* Flag: don't free this link */ |
| char *name; /* Component of path name */ |
| char linktype; /* L = Link, U = Union, N= Native */ |
| int expanded; /* Has a union link been expanded */ |
| char *type; /* Type of object pointed to */ |
| struct vlink *filters; /* Filters associated with link */ |
| struct vlink *replicas; /* Replicas (* see comment below) */ |
| char *hosttype; /* Type of hostname */ |
| char *host; /* Files physical location */ |
| char *nametype; /* Type of filename */ |
| char *filename; /* System level filename */ |
| long version; /* Version number of destination */ |
| long f_magic_no; /* File's magic number */ |
| struct acl *acl; /* ACL for link */ |
| long dest_exp; /* Expiration for dest of link */ |
| long link_exp; /* Expiration of link itself */ |
| char *args; /* Arguments if this is a filter */ |
| struct pattrib *lattrib; /* Attributes associated w/ link */ |
| struct pfile *f_info; /* Info to be assoicated w/ file */ |
| struct vlink *previous; /* Previous elt in linked list */ |
| struct vlink *next; /* Next element in linked list */ |
| }; |
| |
| typedef struct vlink *VLINK; |
| typedef struct vlink VLINK_ST; |
| |
| /* * Note that vlink->replicas is not really a list of replicas of the */ |
| /* object. Instead, it is a list of the objects returned during name */ |
| /* resolution that share the same name as the current object. Such */ |
| /* an object should only be considered a replica if it also shares */ |
| /* the same non-zero magic number. */ |
| |
| /* Definition of structure continiaing virtual directory information */ |
| |
| struct vdir { |
| int version; /* Version of local directory fmt */ |
| int inc_native; /* Include the native directory */ |
| long magic_no; /* Magic number of current file */ |
| struct acl *dacl; /* Default acl for links in dir */ |
| struct pfile *f_info; /* Directory file info */ |
| struct vlink *links; /* The directory entries */ |
| struct vlink *lastlink; /* Last directory entry */ |
| struct vlink *ulinks; /* The entries for union links */ |
| struct vdir *previous; /* Previous element in linked list */ |
| struct vdir *next; /* Next element in linked list */ |
| }; |
| |
| typedef struct vdir *VDIR1; |
| typedef struct vdir VDIR_ST; |
| |
| /* Initialize directory */ |
| #define vdir_init(dir) ZERO(dir) |
| /* XXX: was |
| |
| dir->version = 0; dir->inc_native = 0; \ |
| dir->magic_no = 0; dir->f_info = NULL; \ |
| dir->links = NULL; dir->lastlink = NULL; \ |
| dir->ulinks = NULL; dir->dacl = NULL; \ |
| dir->previous = NULL; dir->next = NULL; |
| */ |
| |
| #define vdir_copy(d1,d2) d2->version = d1->version; \ |
| d2->inc_native = d1->inc_native; \ |
| d2->magic_no = d1->magic_no; \ |
| d2->f_info = d1->f_info; \ |
| d2->links = d1->links; \ |
| d2->lastlink = d1->lastlink; \ |
| d2->ulinks = d1->ulinks; \ |
| d2->dacl = d1->dacl; \ |
| d2->previous = d1->previous; \ |
| d2->next = d1->next; |
| |
| /* Values of ->inc_native in vdir structure */ |
| #define VDIN_REALONLY -1 /* Include native files, but not . and .. */ |
| #define VDIN_NONATIVE 0 /* Do not include files from native directory */ |
| #define VDIN_INCLNATIVE 1 /* Include files from native directory */ |
| #define VDIN_NATIVEONLY 2 /* All entries in directory are from native dir */ |
| #define VDIN_PSEUDO 3 /* Directory is not real */ |
| |
| |
| /* Definition of structure containing information on a specific file */ |
| |
| union avalue { |
| char *ascii; /* Character string */ |
| struct vlink *link; /* A link */ |
| }; |
| |
| |
| struct pattrib { |
| char precedence; /* Precedence for link attribute */ |
| char *aname; /* Name of the attribute */ |
| char *avtype; /* Type of the attribute value */ |
| union avalue value; /* Attribute Value */ |
| struct pattrib *previous; /* Previous element in linked list */ |
| struct pattrib *next; /* Next element in linked list */ |
| }; |
| |
| typedef struct pattrib *PATTRIB; |
| typedef struct pattrib PATTRIB_ST; |
| |
| #define ATR_PREC_OBJECT 'O' /* Authoritative answer for object */ |
| #define ATR_PREC_LINK 'L' /* Authoritative answer for link */ |
| #define ATR_PREC_CACHED 'C' /* Object info cached w/ link */ |
| #define ATR_PREC_REPLACE 'R' /* From link (replaces O) */ |
| #define ATR_PREC_ADD 'A' /* From link (additional value) */ |
| |
| /* **** Incomplete **** */ |
| struct pfile { |
| int version; /* Version of local finfo format */ |
| long f_magic_no; /* Magic number of current file */ |
| long exp; /* Expiration date of timeout */ |
| long ttl; /* Time to live after reference */ |
| long last_ref; /* Time of last reference */ |
| struct vlink *forward; /* List of forwarding pointers */ |
| struct vlink *backlinks; /* Partial list of back links */ |
| struct pattrib *attributes; /* List of file attributes */ |
| struct pfile *previous; /* Previous element in linked list */ |
| struct pfile *next; /* Next element in linked list */ |
| }; |
| |
| typedef struct pfile *PFILE; |
| typedef struct pfile PFILE_ST; |
| |
| /* Definition of structure contining an access control list entry */ |
| |
| struct acl { |
| int acetype; /* Access Contol Entry type */ |
| char *atype; /* Authentication type */ |
| char *rights; /* Rights */ |
| char *principals; /* Authorized principals */ |
| struct restrict_ *restrictions; /* Restrictions on use */ |
| struct acl *previous; /* Previous elt in linked list */ |
| struct acl *next; /* Next element in linked list */ |
| }; |
| typedef struct acl *ACL; |
| typedef struct acl ACL_ST; |
| |
| #define ACL_NONE 0 /* Nobody authorized by ths entry */ |
| #define ACL_DEFAULT 1 /* System default */ |
| #define ACL_SYSTEM 2 /* System administrator */ |
| #define ACL_OWNER 3 /* Directory owner */ |
| #define ACL_DIRECTORY 4 /* Same as directory */ |
| #define ACL_ANY 5 /* Any user */ |
| #define ACL_AUTHENT 6 /* Authenticated principal */ |
| #define ACL_LGROUP 7 /* Local group */ |
| #define ACL_GROUP 8 /* External group */ |
| #define ACL_ASRTHOST 10 /* Check host and asserted userid */ |
| #define ACL_TRSTHOST 11 /* ASRTHOST from privileged port */ |
| |
| |
| /* Definition of structure contining access restrictions */ |
| /* for future extensions */ |
| struct restrict_ { |
| struct acl *previous; /* Previous elt in linked list */ |
| struct acl *next; /* Next element in linked list */ |
| }; |
| |
| /* Definitions for send_to_dirsrv */ |
| #define CLIENT_DIRSRV_TIMEOUT 4 /* time between retries */ |
| #define CLIENT_DIRSRV_BACKOFF(x) (2 * x) /* Backoff algorithm */ |
| #define CLIENT_DIRSRV_RETRY 3 /* retry this many times */ |
| |
| /* Definitions for rd_vlink and rd_vdir */ |
| #define SYMLINK_NESTING 10 /* Max nesting depth for sym links */ |
| |
| /* Definition fo check_acl */ |
| #define ACL_NESTING 10 /* Max depth for ACL group nesting */ |
| |
| /* Flags for mk_vdir */ |
| #define MKVD_LPRIV 1 /* Minimize privs for creator in new ACL */ |
| |
| /* Flags for get_vdir */ |
| #define GVD_UNION 0 /* Do not expand union links */ |
| #define GVD_EXPAND 1 /* Expand union links locally */ |
| #define GVD_LREMEXP 3 /* Request remote expansion of local links */ |
| #define GVD_REMEXP 7 /* Request remote expansion of all links */ |
| #define GVD_VERIFY 8 /* Only verify args are for a directory */ |
| #define GVD_FIND 16 /* Stop expanding when match is found */ |
| #define GVD_ATTRIB 32 /* Request attributes from remote server */ |
| #define GVD_NOSORT 64 /* Do not sort links when adding to dir */ |
| |
| /* Flags for rd_vdir */ |
| #define RVD_UNION GVD_UNION |
| #define RVD_EXPAND GVD_EXPAND |
| #define RVD_LREMEXP GVD_LREMEXP |
| #define RVD_REMEXP GVD_REMEXP |
| #define RVD_DFILE_ONLY GVD_VERIFY /* Only return ptr to dir file */ |
| #define RVD_FIND GVD_FIND |
| #define RVD_ATTRIB GVD_ATTRIB |
| #define RVD_NOSORT GVD_NOSORT |
| #define RVD_NOCACHE 128 |
| |
| /* Flags for add_vlink */ |
| #define AVL_UNION 1 /* Link is a union link */ |
| |
| /* Flags for vl_insert */ |
| #define VLI_NOCONFLICT 0 /* Do not insert links w/ conflicting names */ |
| #define VLI_ALLOW_CONF 1 /* Allow links with conflicting names */ |
| #define VLI_NOSORT 2 /* Allow conflicts and don't sort */ |
| |
| /* Flags for mapname */ |
| #define MAP_READWRITE 0 /* Named file to be read and written */ |
| #define MAP_READONLY 1 /* Named file to be read only */ |
| |
| /* Flags for modify_acl */ |
| #define MACL_NOSYSTEM 0x01 |
| #define MACL_NOSELF 0x02 |
| #define MACL_DEFAULT 0x08 |
| #define MACL_SET 0x0C |
| #define MACL_INSERT 0x14 |
| #define MACL_DELETE 0x10 |
| #define MACL_ADD 0x1C |
| #define MACL_SUBTRACT 0x18 |
| #define MACL_LINK 0x00 |
| #define MACL_DIRECTORY 0x20 |
| #define MACL_OBJECT 0x60 |
| #define MACL_INCLUDE 0x40 |
| |
| #define MACL_OP (MACL_DEFAULT|MACL_SET|MACL_INSERT|\ |
| MACL_DELETE|MACL_ADD|MACL_SUBTRACT) |
| |
| #define MACL_OTYPE (MACL_LINK|MACL_DIRECTORY|MACL_OBJECT|MACL_INCLUDE) |
| |
| /* Access methods returned by Pget_am */ |
| #define P_AM_ERROR 0 |
| #define P_AM_FTP 1 |
| #define P_AM_AFTP 2 /* Anonymous FTP */ |
| #define P_AM_NFS 4 |
| #define P_AM_KNFS 8 /* Kerberized NFS */ |
| #define P_AM_AFS 16 |
| |
| /* Return codes */ |
| |
| #define PSUCCESS 0 |
| #define PFAILURE 255 |
| |
| /* Hush up warnings. */ |
| void vllfree(); |
| |
| /* Procedures in libpfs.a */ |
| |
| char *pget_wdhost(), *pget_wdfile(), *pget_wd(), *pget_hdhost(); |
| char *pget_hdfile(), *pget_hd(), *pget_rdhost(), *pget_rdfile(); |
| char *pget_dhost(), *pget_dfile(), *pget_vsname(), *nlsindex(); |
| char *sindex(), *strtok(), *nxtline(), *unquote(), *stcopy(); |
| char *stcopyr(), *readheader(), *month_sname(); |
| |
| long asntotime(); |
| void procquery(char *host,char *str,int max_hits,int offset, |
| char query_type,int sortflag,int listflag); |
| |
| PTEXT ptalloc(); |
| PTEXT dirsend(); |
| void ptfree(); |
| void ptlfree(); |
| |
| PREQ pralloc(); |
| PREQ get_next_request(); |
| |
| VLINK rd_slink(); |
| VLINK rd_vlink(); |
| VLINK vl_delete(); |
| VLINK vlalloc(); |
| VLINK vlcopy(); |
| void vlfree(); |
| |
| PFILE pfalloc(); |
| |
| PATTRIB parse_attribute(); |
| PATTRIB atalloc(); |
| PATTRIB pget_at(); |
| void atfree(); |
| void atlfree(); |
| |
| ACL acalloc(); |
| ACL get_acl(); |
| |
| void stfree(); |
| |
| /* Miscellaneous useful definitions */ |
| #ifndef TRUE |
| #define TRUE 1 |
| #define FALSE 0 |
| #endif |
| |
| #define AUTHORIZED 1 |
| #define NOT_AUTHORIZED 0 |
| #define NEG_AUTHORIZED -1 |
| |
| #ifndef NULL |
| #define NULL 0 |
| #endif |
| |
| #define FAILED -1 |
