361 lines
15 KiB
C
361 lines
15 KiB
C
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/* psrv.h */
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/*
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* Copyright (c) 1992, 1993 by the University of Southern California
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*
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* For copying and distribution information, please see the file
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* <usc-license.h>
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*/
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#include <usc-license.h>
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/* Cranked out by swa@isi.edu */
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#ifndef PSRV_H
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#define PSRV_H
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#ifndef PPARSE_H_INCLUDED /* needed for INPUT */
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#include <pparse.h>
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#endif
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#if 0 /* This is ridiculous; I don't need it right now. */
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/* Return values for the optquery() function. */
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#define OPT_UNSET 0 /* Option not set. */
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#define OPT_ARGS 1 /* Option set with arguments */
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#define OPT_NOARGS 2 /* Option set with no arguments. */
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struct opt {
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char *name;
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int used; /* reference if used. */
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struct opt *args; /* The parsed argument string, set by the
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application. */
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char *argstring; /* The unparsed arguments. Not necessarily
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useful once the args have been generated. */
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struct opts *next;
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};
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typedef struct opt *OPT;
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typedef struct opt OPT_ST;
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extern OPT optalloc(char *name);
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extern void optlfree(OPT);
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extern OPT optparse(char * optionstr, char separator);
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extern int optquery(OPT opts, char * optname);
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extern OPT optargs(OPT opts, char * optname); /* Returns a list of tokens that
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are the option's arguments. */
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extern int optnargs(OPT opts, char *); /* # of arguments to the option. 0
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if none specified. */
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extern OPT optremaining(OPT opts); /* Any options which haven't been queried
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yet. Check for leftovers! */
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#endif /* 0 */
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/* Temporary hack to get this going. Don't want to waste the time to do more.
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The only option that currently takes arguments is "attributes". And sending
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too much stuff back is never wrong, only slightly inefficient. So we will
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Not Worry About It.
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*/
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#define optdecl char *optset_options
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#define optstart(optstr) (optset_options = optstr)
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#define opttest(optname) (sindex(optset_options, optname))
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/* Flags for srv_change_acl */
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#define SCA_LINK 0
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#define SCA_DIRECTORY 1
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#define SCA_LINKDIR 2
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#define SCA_OBJECT 3
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#define SCA_MISC 4
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#define SCA_CONTAINER 4
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#define reply(req, mesg) ardp_breply((req), ARDP_R_INCOMPLETE, (mesg), 0)
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#define creply(req, mesg) ardp_breply((req), ARDP_R_COMPLETE, (mesg), 0)
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extern int vcreplyf(RREQ req, const char *format, va_list ap);
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extern int vreplyf(RREQ req, const char *format, va_list ap);
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extern int creplyf(RREQ req, const char *format, ...);
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extern int replyf(RREQ req, const char *format, ...);
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int error_reply(RREQ req, char formatstring[], ...);
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extern int dsrfinfo(char *nm, long magic, PFILE fi);
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extern int dswfinfo(char *nm, PFILE fi);
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/* This structure defines how you request attributes, whether they be
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associated with the object or with the link. */
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struct requested_attributes {
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TOKEN specific; /* This is a list of TOKENs. They are the
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names of specific attributes that have been
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requested by name. */
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/* These are BITfields that specify various classes or sets of attributes
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that you are looking for. */
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int all:1;
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int interesting:1;
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/* Others to be implemented later on an as-needed basis. 'all' is a
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surrogate for them right now. */
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/* int object:1; */
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/* int field:1; */
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};
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/* This is called by dsrfinfo(), internally. */
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extern int
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dsrfinfo_with_attribs(char *nm,long magic,PFILE fi,
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struct requested_attributes *req_obj_ats);
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/* Special options given to dsrobject() when it's called with the LIST or
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GET-OBJECT-INFO protocol messages on a directory. */
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struct dsrobject_list_options {
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char **thiscompp; /* This option only valid for LIST ..
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COMPONENTS */
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/* if '*' and no remcomp, then exactly
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equivalent to empty. */
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TOKEN *remcompp; /* This option only valid for LIST ..
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COMPONENTS */
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/* If last one '*', exactly equivalent to being
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empty. */
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struct requested_attributes
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req_link_ats; /* Requested attributes associated with the
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links contained by this object (i.e., LINK,
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CACHED, REPLACEMENT, or ADDITIONAL, and
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OBJECT iff very convenient). */
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struct requested_attributes
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req_obj_ats; /* Requested attributes associated with this
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object itself. (only OBJECT precedence).
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*/
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FILTER filters; /* This option currently only valid for LIST
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... COMPONENTS. OBJECT filters, when
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implemented, will need this option for
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GET-OBJECT-INFO. */
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/* Get rid of the following definition as soon as all the databases are
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updated. It is set by dirsrv() and looked at only by some older databases.
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(The older databases will be unable to compile if they are using this. So
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you'll know.) */
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#define DSROBJECT_LIST_OPTIONS_REQUESTED_ATTRS_BACK_COMPATIBILITY
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#ifdef DSROBJECT_LIST_OPTIONS_REQUESTED_ATTRS_BACK_COMPATIBILITY
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const char *requested_attrs; /* this is now nearly obsolete. It will be
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obsolete as soon as all the databases are
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updated. It is an unholy combination of
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req_link_ats and req_obj_ats. It is either
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NULL or consists of a concatenated series
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of attribute names, separated by the '+'
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character. Every attribute name is
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preceded and followed by a '+' (in other
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words, the string starts and
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ends with a '+' character.) */
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#endif /* DSROBJECT_LIST_OPTIONS_REQUESTED_ATTRS_BACK_COMPATIBILITY */
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};
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#ifdef DSROBJECT_SPEEDUP_IS_EXPERIMENTAL
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#define dsrobject_list_options_init(dlo) do { \
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ZERO(dlo); \
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if (!dsrobject_speedup) \
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(dlo)->all = 1; /* emulate old inefficient behavior */ \
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} while(0)
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#else
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#define dsrobject_list_options_init(dlo) \
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ZERO(dlo);
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#endif
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/* Used by get_obj_info() and by list(). */
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extern void
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p__parse_requested_attrs(const char *requested_atlist_unparsed,
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struct requested_attributes * parsed);
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extern int
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was_attribute_requested(char *atname, struct requested_attributes *parsed);
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extern int dsrobject(RREQ req, char hsoname_type[], char hsoname[],
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long version, long magic_no, int flags,
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struct dsrobject_list_options *listopts, P_OBJECT ob);
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#define DRO_NULLOPT (struct dsrobject_list_options *) 0
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/* Flags for DSROBJECT */
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#define DRO_ACCESS_METHOD_ONLY 0x1 /* only want access-method attribute. */
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#define DRO_VERIFY 0x2 /* Verify that the object exists.
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This is implemented for
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ARCHIE and GOPHER-GW; otherwise, still a
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full cost call. */
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#define DRO_VERIFY_DIR 0x4 /* Verify that the object exists and that it
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is a directory. This is implemented for
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the local PFSDAT directories. If this is
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given to a call that is eventually passed
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to a call to a DSDB function, then
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whether it is noticed depends upon the
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individual DSDB function; might still be
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a full-cost call. */
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/* --- */
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/* From lib/psrv/dsrdir.c */
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/* DSRDIR will die soon, superseded by dsrobject(). --swa */
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extern int dsrdir(char *name,int magic,VDIR dir,VLINK ul,int flags);
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/* Flags for dsrdir() */
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#define DSRD_ATTRIBUTES 0x1 /* Fill in attributes for links */
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#define DSRD_VERIFY_DIR 0x2 /* Verify that the directory exists
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and is a directory. Returns
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PSUCCESS upon SUCCESS, PFAILURE
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upon FAILURE. This flag implies
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that the DIR option to dsrdir()
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could be set to NULL with no ill
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consequences. In fact, dsrdir()
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does just that, as a safety
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check. */
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/* ---- */
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/* The following is unimplemented. */
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extern void dswobject(char hsonametype[], char hsoname[], P_OBJECT ob);
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extern void set_client_addr(long addr); /* short-term hack */
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extern size_t nativize_prefix(char *hsoname, char native_buf[],
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size_t native_bufsiz);
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extern int dswdir(char *name, VDIR dir);
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extern int fdswdir_v5(FILE *vfs_dir, VDIR dir);
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TOKEN check_nfs(char filename[], long client_addr);
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char *check_localpath(char filename[], long client_addr);
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extern int srv_check_acl(ACL pacl,ACL sacl,RREQ req,char *op,int flags,char *objid,char *itemid);
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extern int change_acl(ACL *aclp, ACL ae, RREQ req, int flags, ACL diracl);
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extern ACL get_container_acl(char *path);
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extern ACL maint_acl;
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extern int delete_matching_at(PATTRIB key, PATTRIB *headp,
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int (*equal)(PATTRIB, PATTRIB));
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extern int delete_matching_fl(FILTER key, FILTER *headp);
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#ifdef PSRV_ARCHIE /* This is still old format. */
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extern int arch_dsdb(RREQ req, /* Request pointer (unused) */
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char *hsoname, /* Name of the directory */
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long version, /* Version #; currently ignored */
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long magic_no, /* Magic #; currently ignored */
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int flags, /* Currently only recognize DRO_VERIFY */
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struct dsrobject_list_options *listopts, /* options (use *remcompp
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and *thiscompp)*/
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P_OBJECT ob); /* Object to be filled in */
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#endif
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#ifdef PSRV_GOPHER /* Currently unused. Probably never used. */
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#error this is unimplemented
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int gopher_dsdb(RREQ req, char name[], char **componentsp, TOKEN *rcompp,
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VDIR dir, int options, const char *rattrib, FILTER filters);
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#endif
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#ifdef PSRV_GOPHER_GW
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int gopher_gw_dsdb(RREQ req, char hsoname[], long version, long magic_no,
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int flags, struct dsrobject_list_options *listopts,
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P_OBJECT ob);
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void gopher_gw_init_mutexes(void);
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#ifndef NDEBUG
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void gopher_gw_diagnose_mutexes(void);
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#endif /*NDEBUG*/
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/* Memory allocators used inside GOPHER_GW library. */
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extern int glink_count, glink_max;
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#endif
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#ifdef PSRV_WAIS_GW
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int wais_gw_dsdb(RREQ req, char hsoname[], long version, long magic_no,
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int flags, struct dsrobject_list_options *listopts,
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P_OBJECT ob);
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void wais_gw_init_mutexes(void);
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/* Memory allocators used inside WAIS library. */
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extern int waismsgbuff_count, waismsgbuff_max;
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extern int ietftype_count, ietftype_max;
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extern int waissource_count, waissource_max;
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#ifndef NDEBUG
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void wais_gw_diagnose_mutexes(void);
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#endif /*NDEBUG*/
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#endif
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#ifdef PSRV_KERBEROS
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extern int
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check_krb_auth(char *auth, struct sockaddr_in client, char **ret_client_name);
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#endif
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extern char shadow[];
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extern char pfsdat[];
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extern char dirshadow[];
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extern char dircont[];
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extern char security[];
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extern char root[];
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extern char aftpdir[];
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extern char afsdir[];
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extern char *db_prefix; /* For old v1 support. */
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extern char hostname[]; /* Server's host name */
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extern char hostwport[]; /* Host name w/ port if non-standard
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*/
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extern char *logfile_arg;
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struct db_entry {
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char *hsoname_type; /* hsoname type for database; should always
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be ASCII */
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char *prefix; /* Prefix for database */
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/* Hsonametype is already known; doesn't need to be passed. */
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int (*read_function)(RREQ req, char hsoname[], long version,
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long magic_no, int flags,
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struct dsrobject_list_options *listopts,
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P_OBJECT ob);
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int (*write_function)(char hsoname[], P_OBJECT ob);
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char *named_acl; /* name of the NAMED ACL that the database
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reads as a pre-filter. If no such ACL or if
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NULL, unused. Normally same as db_prefix.
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*/
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};
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extern struct db_entry db_prefixes[];
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extern int db_num_ents;
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#define OBJECT_VNO 5 /* version # of the object format. */
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/* Used internally by dswobject() and
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dsrobject(). */
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extern int get_named_acl(char *t_name, ACL *wacl);
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extern int set_named_acl(char *t_name, ACL wacl);
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/* lib/psrv/magic.c */
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extern long generate_magic(VLINK vl);
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extern int magic_no_in_list(long magic, VLINK links);
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/* lib/psrv/dsrobject.c */
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extern int requested_contents(struct dsrobject_list_options *listopts);
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/* lib/psrv/psrv_mutexes.c */
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extern void psrv_init_mutexes(void);
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#ifndef NDEBUG
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extern void psrv_diagnose_mutexes(void);
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#endif
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extern void p_init_shared_prefixes(void);
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extern void p_srv_check_acl_initialize_defaults(void);
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#ifdef PFS_THREADS
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p_th_mutex p_th_mutexPSRV_CHECK_ACL_INET_DEF_LOCAL;
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p_th_mutex p_th_mutexPSRV_CHECK_NFS_MYADDR;
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p_th_mutex p_th_mutexPSRV_LOG;
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#endif
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extern void get_access_method(char filename[], long caddr, PATTRIB *retval);
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extern int set_logfile(char *filename);
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extern int check_handle(char *handle);
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extern void srv_add_client_to_acl(char *rights, RREQ r, ACL *a, int f);
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extern int check_prvport(RREQ req);
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extern void close_plog(void);
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extern retrieve_fp(VLINK l);
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extern int stat_object(P_OBJECT ob); /* not yet defined. */
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#ifdef DIRECTORYCACHING
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extern int dsrobject_fail; /* How many times did DSROBJECT fail? Used
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only in a DIRECTORYCACHING context. */
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#endif /* DIRECTORYCACHING */
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#endif /*PSRV_H*/
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