#ifndef lint static char *rcsid = "$Header: xnsremote.c,v 1.3 87/04/01 08:23:53 ed Exp $"; #endif lint /* * Copyright (c) 1986, 1987 Xerox Corporation. */ /* $Log: xnsremote.c,v $ * Revision 1.3 87/04/01 08:23:53 ed * Changed for new MakeSecondaryCreds call. * * Revision 1.2 87/03/25 10:55:53 ed * Don't reset usefiling in login. * * Revision 1.1 87/03/17 16:29:19 ed * Initial revision * * */ #include <stdio.h> #include <sys/time.h> #include <sys/param.h> #include <sys/stat.h> #include <netns/ns.h> #include <netns/sp.h> #include <xnscourier/FilingSubset1.h> #include <xnscourier/Filing4.h> #include <xnscourier/except.h> #undef __Clearinghouse2 /* Filing4.h defs this */ #include <xnscourier/CH.h> #include <xnscourier/filetypes.h> #ifdef PRINTOPTION #ifndef XNSPRINT #define XNSPRINT "/usr/new/xnsprint" #endif XNSPRINT #ifndef MAHA #define MAHA "/usr/new/maha" #endif MAHA #endif PRINTOPTION #define ROOT_DIRECTORY "/" CourierConnection *connected; Clearinghouse3_ObjectName hostobjname; Authentication3_Verifier verifier; /* the following 3 items make up the current session */ FilingSubset1_Session session; /* the current session */ Clearinghouse3_ObjectName username; FilingSubset1_Handle rootHandle; char cur_dir[512]= 0; char cur_pathname[512]= 0; char cur_name[512]= 0; static FilingSubset1_ControlSequence nullControls = {0,0}; static FilingSubset1_ScopeSequence nullScope = {0,0}; /* global data used to communicate with BDT procedures */ extern GetAttributeSequences(), listproc(), retrieveproc(); char *AttrToString(); Boolean AttrToBoolean(); LongCardinal AttrToLongCardinal(); Cardinal AttrToCardinal(); static (*ProcEachSeq)(); static FILE *fout= stdout; Boolean files_found= FALSE; Boolean filing_subset= TRUE; Boolean usefiling= TRUE; Boolean verbose= FALSE; LongCardinal typevalue= 0; char *service, *pager; extern int errno; char thru_options[512]; struct name_entry { char *pathname; LongCardinal type; } ; static struct name_entry *name_list= 0; static int name_count= 0; static int name_size= 0; #define MAX_NAMES 10 main(argc, argv) int argc; char *argv[]; { char *file, *rightbrkt; char oldservice[100]; char *index(), *getenv(); int i; CourierConnection *hookup(); int opt; extern int optind; extern char *optarg; #ifdef PRINTOPTION static char *options= "fvP:"; static char *usage= "Usage: %s [-f] [-v] [-P printer] file1 ... filen\n"; #else PRINTOPTION static char *options= "fvs"; static char *usage= "Usage: %s [-f] [-v] [-s] file1 ... filen\n"; #endif PRINTOPTION if ( argc < 1 ) { fprintf(stderr, usage, argv[0]); exit(1); } #ifndef PRINTOPTION pager= getenv("PAGER"); #endif PRINTOPTION strcpy(thru_options, ""); while ((opt= getopt(argc, argv, options)) != EOF) switch (opt) { case 'v': verbose++; break; case 'f': usefiling= 0; break; #ifdef PRINTOPTION case 'P' : strcat(thru_options, " -P "); strcat(thru_options, optarg); break; #else PRINTOPTION case 's' : pager= '\0'; /* override pager */ break; #endif PRINTOPTION default: fprintf(stderr, "Invalid command option -%c\n", opt); exit(1); } for ( ; optind < argc ; optind++ ) { if ( getserviceandfile(argv[optind], &service, &file) == 0 ) { fprintf(stderr, "Invalid name %s\n", argv[optind]); exit(1); } DURING { if ( strcmp(oldservice, service) != 0 ) { if ( (connected= hookup(service)) == (CourierConnection *)0 ) { fprintf(stderr, "\nCan't connect to %s\n", service); continue; } login(0,0); strcpy(oldservice, service); } getfile(file); } HANDLER { FilingErrMsg(Exception.Code, Exception.Message); #ifndef PRINTOPTION if ( fout != stdout ) pclose(fout); #endif PRINTOPTION } END_HANDLER; } return(0); } getserviceandfile(name, srvcptr, fileptr) char *name; char **srvcptr, **fileptr; { char *sptr, *fptr; char *index(), *rindex(); /* * look for Xerox forms first: * [host]filename */ if ( (sptr= index(name, '[')) != 0 ) { if ( (fptr= index(sptr, ']')) != 0 ) { *fptr= '\0'; *srvcptr= sptr + 1; *fileptr= fptr + 1; return(1); } else return(0); } /* * (host)filename */ if ( (sptr= index(name, '(')) != 0 ) { if ( (fptr= index(sptr, ')')) != 0 ) { *fptr= '\0'; *srvcptr= sptr + 1; *fileptr= fptr + 1; return(1); } else return(0); } /* * look for XNS style with trailing : delimiter * (assumes no : in file name, use alternate spec instead) * object:domain:organization:filename * domain & organization are optional */ if ( (fptr= rindex(name, ':')) != 0 ) { *fptr= '\0'; *srvcptr= name; *fileptr= fptr + 1; return(1); } else return(0); } copyhandle(dest,src) FilingSubset1_Handle dest,src; { if (dest == (Unspecified *) 0) { fprintf(stderr,"Oops. dest is null in copyhandle\n"); exit(1); } dest[0] = src[0]; dest[1] = src[1]; } getfilehandle(filename, handle) char *filename; FilingSubset1_Handle handle; { FilingSubset1_Attribute pathattr[1]; FilingSubset1_AttributeSequence attrseq; FilingSubset1_OpenResults openresult; Filing4_OpenResults openresult2; if (filename == (char *)0 || *filename == '\000' || (strcmp(filename, "/") == 0) ) { if ( filing_subset ) copyhandle(handle,FilingSubset1_nullHandle); else copyhandle(handle,rootHandle); return; } attrseq.length = 1; attrseq.sequence = pathattr; pathattr[0].type = FilingSubset1_pathname; copyhandle(handle, FilingSubset1_nullHandle); #ifdef XEROXFSCOMPATIBILITY if ( filename[0] == '/') StringToAttr(filename+1, &pathattr[0]); else StringToAttr(filename, &pathattr[0]); #else XEROXFSCOMPATIBILITY StringToAttr(filename, &pathattr[0]); #endif XEROXFSCOMPATIBILITY alarm(0); if ( filing_subset ) { openresult = FilingSubset1_Open(connected, NULL, attrseq, handle, nullControls, session); copyhandle(handle, openresult.file); } else { openresult2 = Filing4_Open(connected, NULL, attrseq, handle, nullControls, session); copyhandle(handle, openresult2.file); } } getdirhandle(filename, handle) char *filename; FilingSubset1_Handle handle; { FilingSubset1_Attribute pathattr[1]; FilingSubset1_AttributeSequence attrseq; FilingSubset1_OpenResults openresult; Filing4_OpenResults openresult2; char *rindex(); char *slash; if (filename == (char *)0 || *filename == '\000' || (strcmp(filename, "/") == 0) ) { strcpy(cur_pathname, "/"); strcpy(cur_name, "/"); if ( filing_subset ) copyhandle(handle,FilingSubset1_nullHandle); else copyhandle(handle,rootHandle); return; } else if ( filename[0] == '/' ) { strcpy(cur_pathname, filename); } else { strcpy(cur_pathname, cur_dir); if ( strcmp(cur_pathname, "/") != 0 ) strcat(cur_pathname, "/"); strcat(cur_pathname, filename); } if ( (slash= rindex(cur_pathname,'/')) == NULL ) strcpy(cur_name, cur_pathname); else strcpy(cur_name, slash+1); if ( filing_subset ) { copyhandle(handle, FilingSubset1_nullHandle); } else { if ( slash == cur_pathname) { copyhandle(handle, rootHandle); return; } attrseq.length = 1; attrseq.sequence = pathattr; pathattr[0].type = FilingSubset1_pathname; copyhandle(handle, FilingSubset1_nullHandle); *slash= '\0'; /* separate pathname from name */ #ifdef XEROXFSCOMPATIBILITY if ( cur_pathname[0] == '/' ) StringToAttr(cur_pathname+1, &pathattr[0]); else StringToAttr(cur_pathname, &pathattr[0]); #else XEROXFSCOMPATIBILITY StringToAttr(cur_pathname, &pathattr[0]); #endif XEROXFSCOMPATIBILITY *slash= '/'; /* and put back */ alarm(0); if ( filing_subset ) { openresult = FilingSubset1_Open(connected, NULL, attrseq, handle, nullControls, session); copyhandle(handle, openresult.file); } else { openresult2 = Filing4_Open(connected, NULL, attrseq, handle, nullControls, session); copyhandle(handle, openresult2.file); } } } freefilehandle(handle) FilingSubset1_Handle handle; { if (handle[0] == FilingSubset1_nullHandle[0] && handle[1] == FilingSubset1_nullHandle[1]) return; /* don't free nullHandle */ if (handle[0] == rootHandle[0] && handle[1] == rootHandle[1]) return; /* don't free root directory */ alarm(0); if ( filing_subset ) FilingSubset1_Close(connected, NULL, handle, session); else Filing4_Close(connected, NULL, handle, session); } CourierConnection * hookup(name) char *name; { register struct ns_addr *hostaddr; extern struct ns_addr *getXNSaddr(); Clearinghouse3_ObjectName defaultobjname; static char hnamebuf[128]; CourierConnection *cconn; CH_NameDefault(&defaultobjname); hostobjname = CH_StringToName(name, &defaultobjname); if ((hostaddr = CH_LookupAddrDN( hostobjname, 0, hnamebuf, 128))) { /* should check here to be sure host is a file service */ hostaddr->x_port = htons(5); /* ?? */ cconn = CourierOpen(hostaddr); /* reset objname to flush wildcards */ /* clear_Clearinghouse3_ThreePartName(&hostobjname); */ hostobjname = CH_StringToName(hnamebuf, &defaultobjname); } return(cconn); } login(name,pwd) char *pwd; char *name; { FilingSubset1_Credentials credentials; FilingSubset1_LogonResults logonresult; FilingSubset1_LogonResults *resultptr= &logonresult; Filing4_LogonResults logonresult2; FilingSubset1_AttributeSequence attrseq; FilingSubset1_OpenResults openresult; Filing4_OpenResults openresult2; if ( name != 0 ) username = CH_StringToName(name,&hostobjname); if ( usefiling ) { filing_subset= FALSE; if ( name == 0 && pwd == 0 ) { GetSimpleCredsAndVerifier(&username, 0, &credentials.primary, &verifier); } else { MakeSimpleCredsAndVerifier(&username,pwd, &credentials.primary, &verifier); } logonresult2= Filing4_Logon(connected, NULL, hostobjname, credentials.primary, verifier); resultptr= (FilingSubset1_LogonResults *) &logonresult2; } else { if ( name == 0 && pwd == 0 ) { GetSimpleCredsAndVerifier(&username, 0, &credentials.primary, &verifier); MakeSecondaryCreds(hostobjname.object, 0, 0, &credentials.secondary); } else { MakeSimpleCredsAndVerifier(0, pwd, &credentials.primary, &verifier); MakeSecondaryCreds(hostobjname.object, name, pwd, &credentials.secondary); } filing_subset= TRUE; DURING logonresult = FilingSubset1_Logon(connected, NULL, hostobjname, credentials, verifier); HANDLER { switch (Exception.Code) { case REJECT_ERROR: filing_subset= FALSE; logonresult2= Filing4_Logon(connected, NULL, hostobjname, credentials.primary, verifier); resultptr= (FilingSubset1_LogonResults *) &logonresult2; break; default: RERAISE; } } END_HANDLER; } if ( filing_subset ) session = resultptr->session; else session = resultptr->session; attrseq.length= 0; attrseq.sequence= 0; if ( filing_subset ) { openresult= FilingSubset1_Open(connected, NULL, attrseq, FilingSubset1_nullHandle, nullControls, session); copyhandle(rootHandle, openresult.file); } else { openresult2= Filing4_Open(connected, NULL, attrseq, FilingSubset1_nullHandle, nullControls, session); copyhandle(rootHandle, openresult2.file); } strcpy(cur_dir, ROOT_DIRECTORY); } logout() { if ( filing_subset ) FilingSubset1_Logoff(connected, NULL, session); else Filing4_Logoff(connected, NULL, session); clear_FilingSubset1_Session(&session); } getfile(remote) char *remote; { FILE *popen(); FilingSubset1_Handle remotehandle; /* note: an array */ FilingSubset1_Handle dirhandle; /* note: an array */ FilingSubset1_AttributeTypeSequence typeseq; FilingSubset1_AttributeType tsvals[10]; FilingSubset1_ScopeSequence scopeseq; FilingSubset1_Scope scope; char pcmd[500]; int i; register struct name_entry *entry; name_count= 0; name_size= MAX_NAMES; if ( (name_list= (struct name_entry *) malloc(sizeof(struct name_entry) * name_size)) == 0 ) { perror("getfile: "); return; } typeseq.length = 0; typeseq.sequence = tsvals; scopeseq.length= 1; scopeseq.sequence= &scope; scope.designator= FilingSubset1_filter; scope.FilingSubset1_filter_case.designator= FilingSubset1_matches; if ( filing_subset ) scope.FilingSubset1_filter_case.FilingSubset1_matches_case.attribute.type= FilingSubset1_pathname; else scope.FilingSubset1_filter_case.FilingSubset1_matches_case.attribute.type= FilingSubset1_name; copyhandle(remotehandle, FilingSubset1_nullHandle); getdirhandle(remote, dirhandle); if ( filing_subset ) StringToAttr(cur_pathname,&scope.FilingSubset1_filter_case.FilingSubset1_matches_case.attribute); else StringToAttr(cur_name,&scope.FilingSubset1_filter_case.FilingSubset1_matches_case.attribute); typeseq.length = 2; typeseq.sequence[0] = FilingSubset1_pathname; typeseq.sequence[1] = FilingSubset1_type; ProcEachSeq = listproc; if ( filing_subset ) FilingSubset1_List(connected, GetAttributeSequences, dirhandle, typeseq, scopeseq, BulkData1_immediateSink, session); else Filing4_List(connected, GetAttributeSequences, dirhandle, typeseq, scopeseq, BulkData1_immediateSink, session); if ( !files_found ) { fprintf(stderr, "\n(%s)%s not found\n", service, remote); } else { for ( i= 0 ; i < name_count ; i++ ) { entry= &name_list[i]; #ifdef PRINTOPTION if ( (entry->type != FilingSubset1_tText) && (entry->type != TYPE_VPMailNote) && (entry->type != TYPE_Interpress) ) { fprintf(stderr, "\n\n\n\nInvalid file type (%d)\n\n\n\n", entry->type); clear_String(&entry->pathname); continue; } if ( entry->type == TYPE_Interpress ) { sprintf(pcmd, "%s -q -b \"(%s)%s\"%s -", XNSPRINT, service, entry->pathname, thru_options); } else { sprintf(pcmd, "%s -b \"(%s)%s\"%s", MAHA, service, entry->pathname, thru_options); } if ( (fout= popen(pcmd, "w")) == NULL ) { perror("popen: "); exit(1); } if (verbose) { fprintf(stderr, "\n\printing (%s)%s...\n\n",service,entry->pathname); } #else PRINTOPTION if ( entry->type != FilingSubset1_tText ) { fprintf(stderr, "\n\n\nCan only view text files.\n\n\n"); clear_String(&entry->pathname); continue; } if ( pager == NULL || *pager == '\0' ) { fout= stdout; } else { sprintf(pcmd, "%s%s", pager, thru_options); if ( (fout= popen(pcmd, "w")) == NULL ) fout= stdout; } if (verbose) { fprintf(stderr, "\n\n\n\nretrieving (%s)%s...\n\n\n\n",service,entry->pathname); } #endif PRINTOPTION typevalue= entry->type; getfilehandle(entry->pathname, remotehandle); /* get file handle */ if ( filing_subset ) { FilingSubset1_Retrieve(connected, retrieveproc, remotehandle, BulkData1_immediateSink, session); } else { Filing4_Retrieve(connected, retrieveproc, remotehandle, BulkData1_immediateSink, session); } freefilehandle(remotehandle); #ifdef PRINTOPTION pclose(fout); #else PRINTOPTION if ( fout != stdout ) pclose(fout); #endif PRINTOPTION clear_String(&entry->pathname); } } free(name_list); freefilehandle(dirhandle); } listproc(attr) FilingSubset1_AttributeSequence attr; { int i; FilingSubset1_AttributeType t; struct name_entry *entry; files_found= TRUE; /* * Xerox file servers will return all versions of the requested file in * ascending version order. We assume that the last version will be the * highest and remember that name so that the retrieve will pull the * highest version of the file. If we request just the file with no * version, the server will return the oldest version (not what I would * expect...) */ if ( name_count > name_size ) { name_size += MAX_NAMES; name_list= (struct name_entry *) realloc(name_list, sizeof(struct name_entry) * name_size); } entry= &name_list[name_count]; for (i = 0; i < attr.length; i++) { t = attr.sequence[i].type; if (t == FilingSubset1_name || t == FilingSubset1_pathname) { entry->pathname = AttrToString(&attr.sequence[i]); } else if (t == FilingSubset1_type) { entry->type = AttrToLongCardinal(&attr.sequence[i]); } } name_count++; } #define MAXPACKS 20 static GetAttributeSequences(conn) CourierConnection *conn; { int count, i; Unspecified buffer[MAXWORDS*MAXPACKS], *bp, *bufend; FilingSubset1_StreamOfAttributeSequence attrs; files_found= FALSE; bufend = buffer; bp = buffer+((MAXWORDS-1)*MAXPACKS); /* end of available space */ while ((count = BDTread(conn, (char*)bufend, MAXWORDS*sizeof(Unspecified))) > 0) { bufend += count/sizeof(Unspecified); if (bufend > bp) { fprintf(stderr,"BDT read too big to fit\n"); BDTabort(conn); /* should clear out stuff here if we knew how much */ } } bp = buffer; while (bp < bufend) { bp += internalize_FilingSubset1_StreamOfAttributeSequence(&attrs,bp); if (0 == (int) attrs.designator) { for (i=0; i < attrs.nextSegment_case.segment.length; i++) { (*ProcEachSeq)( attrs.nextSegment_case.segment.sequence[i]); } free(attrs.nextSegment_case.segment.sequence); } else { for (i = 0; i < attrs.lastSegment_case.length; i++) { (*ProcEachSeq)( attrs.lastSegment_case.sequence[i]); } free(attrs.lastSegment_case.sequence); return; } } } int getBDTch(conn,bpp) CourierConnection *conn; u_char **bpp; { static u_char buffer[SPPMAXDATA]; static int count; if (*bpp == NULL) {*bpp = buffer; count = 0;} if (*bpp >= buffer+count) { count=BDTread(conn,buffer,sizeof(buffer)); *bpp = buffer; } if (count <= 0) return(EOF); else return(*((*bpp)++)); } retrieveproc(conn) CourierConnection *conn; { int count, ocount, ch; char buffer[SPPMAXDATA]; int charset, charset16; char *bp; errno = ocount = 0; fflush(fout); switch (typevalue) { default : fprintf(stderr, "Unsupported file type\n"); BDTabort(conn); break; case TYPE_Interpress : while ((count = BDTread(conn, buffer, sizeof(buffer))) > 0) { if ((ocount = write (fileno(fout), buffer, count)) < 0) { perror("write"); BDTabort(conn); break; } } if (count < 0) perror("netin"); break; case TYPE_VPMailNote : case TYPE_A : charset = 0; charset16 = 0; bp = NULL; while ((ch = getBDTch(conn,&bp)) != EOF) { if (ch == '\377') { ch = getBDTch(conn,&bp); if (ch == '\377') charset16 = 1; else charset = ch; continue; } if (charset16) { charset = ch; ch = getBDTch(conn,&bp); } switch (charset) { case 0: /* normal character set -- minimal xlation */ if (ch == '\r') { int nextch; putc('\n',fout); if ( (nextch = getBDTch(conn,&bp)) != '\n'){ if (nextch == '\r') putc('\n',fout); else if ( nextch != EOF ) putc(nextch,fout); else continue; } break; } else if (ch == ','+0200) ch = '_'; /* more mapping here */ putc(ch,fout); break; default: break; /* ignore */ } } /* if (count < 0) perror("netin"); */ break; } }