/*
    readattr.c - NWDSRead(), NWDSExtSyncRead and 
    		 NWDSListAttrsEffectiveRights() API demo
    Copyright (C) 1999, 2000  Petr Vandrovec

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA


    Revision history:

	0.00  1999			Petr Vandrovec <vandrove@vc.cvut.cz>
		Initial revision.

	1.00  1999, November 20		Petr Vandrovec <vandrove@vc.cvut.cz>
		Added license.

	1.01  2000, April 30		Petr Vandrovec <vandrove@vc.cvut.cz>
		Added NWDSListEffectiveRights example.
		Added NWDSExtSyncRead example.

	1.02  2001, May 14		Petr Vandrovec <vandrove@vc.cvut.cz>
		Added option "-a" to specify attributes list.

*/

#ifdef N_PLAT_MSW4
#include <nwcalls.h>
#include <nwnet.h>
#include <nwclxcon.h>

#include <stdlib.h>
#include <ctype.h>
#include <stdio.h>
#include <string.h>

#include "getopt.h"

#define _(X) X

typedef unsigned int u_int32_t;
typedef unsigned long NWObjectID;
typedef u_int32_t Time_T;
#else
#include <ncp/nwcalls.h>
#include <ncp/nwnet.h>

#include <unistd.h>
#include <stdlib.h>
#include <ctype.h>
#include <wchar.h>
#include <string.h>

#include "private/libintl.h"
#define _(X) gettext(X)
#endif

static char *progname;

static void
usage(void)
{
	fprintf(stderr, _("usage: %s [options]\n"), progname);
}

static void
help(void)
{
	printf(_("\n"
	         "usage: %s [options]\n"), progname);
	printf(_("\n"
	       "-h              Print this help text\n"
	       "-v value        Context DCK_FLAGS value (default 0)\n"
	       "-o object_name  Name of object (default [Root])\n"
	       "-c context_name Name of current context (default OrgUnit.Org.Country)\n"
	       "-C confidence   DCK_CONFIDENCE value (default 0)\n"
	       "-S server       Server to start with (default CDROM)\n"
	       "-q req_type     Info type (default 0)\n"
	       "-s size         Reply buffer size (default 4096)\n"
	       "-u subject_name If specified, retrieve effective rights\n"
	       "-t time         If specified, return data modified after time\n"
	       "-a attrname     If specified, return information only about specified attribute\n"
	       "\n"));
}

#ifdef N_PLAT_MSW4
char* strnwerror(int err) {
	static char errc[200];

	sprintf(errc, "error %u / %d / 0x%X", err, err, err);
	return errc;
}
#endif

int main(int argc, char *argv[]) {
	NWDSCCODE dserr;
	NWDSContextHandle ctx;
	NWCONN_HANDLE conn;
	const char* objectname = "[Root]";
	const char* context = "OrgUnit.Org.Country";
	const char* server = "CDROM";
	const char* subjectname = NULL;
	TimeStamp_T ts = {0, 0, 0};
	int ts_specified = 0;
	int opt;
	u_int32_t ctxflag = 0;
	u_int32_t confidence = 0;
	u_int32_t req = 0;
	nuint32 ih = NO_MORE_ITERATIONS;
	Buf_T* buf;
	size_t size = DEFAULT_MESSAGE_LEN;
	Buf_T* attr = NULL;
	int allattr = 1;

#ifndef N_PLAT_MSW4
	setlocale(LC_ALL, "");
	bindtextdomain(NCPFS_PACKAGE, LOCALEDIR);
	textdomain(NCPFS_PACKAGE);
#endif

	progname = argv[0];

	NWCallsInit(NULL, NULL);
#ifndef N_PLAT_MSW4
	NWDSInitRequester();
#endif

	dserr = NWDSCreateContextHandle(&ctx);
	if (dserr) {
		fprintf(stderr, "NWDSCretateContextHandle failed with %s\n", strnwerror(dserr));
		return 123;
	}
	while ((opt = getopt(argc, argv, "h?o:c:v:S:C:q:s:u:t:a:")) != EOF)
	{
		switch (opt)
		{
		case 'a':
			if (!attr) {
				dserr = NWDSAllocBuf(DEFAULT_MESSAGE_LEN, &attr);
				if (dserr) {
					fprintf(stderr, "NWDSAllocBuf failed with %s\n", strnwerror(dserr));
					return 125;
				}
				dserr = NWDSInitBuf(ctx, DSV_READ, attr);
				if (dserr) {
					fprintf(stderr, "NWDSInitBuf failed with %s\n", strnwerror(dserr));
					return 126;
				}
			}
			dserr = NWDSPutAttrName(ctx, attr, optarg);
			if (dserr) {
				fprintf(stderr, "NWDSPutAttrName failed with %s\n", strnwerror(dserr));
				return 127;
			}
			allattr = 0;
			break;
		case 'C':
			confidence = strtoul(optarg, NULL, 0);
			break;
		case 'o':
			objectname = optarg;
			break;
		case 'c':
			context = optarg;
			break;
		case 'v':
			ctxflag = strtoul(optarg, NULL, 0);
			break;
		case 'q':
			req = strtoul(optarg, NULL, 0);
			break;
		case 's':
			size = strtoul(optarg, NULL, 0);
			break;
		case 'h':
		case '?':
			help();
			goto finished;
		case 'S':
			server = optarg;
			break;
		case 'u':
			subjectname = optarg;
			break;
		case 't':
			ts.wholeSeconds = strtoul(optarg, NULL, 0);
			ts_specified = 1;
			break;
		default:
			usage();
			goto finished;
		}
	}

	if (ts_specified && subjectname) {
		fprintf(stderr, "-u and -t cannot be used simultaneously!\n");
		return 111;
	}
	ctxflag |= DCV_XLATE_STRINGS;
	
	dserr = NWDSSetContext(ctx, DCK_FLAGS, &ctxflag);
	if (dserr) {
		fprintf(stderr, "NWDSSetContext(DCK_FLAGS) failed: %s\n",
			strnwerror(dserr));
		return 123;
	}
	dserr = NWDSSetContext(ctx, DCK_NAME_CONTEXT, context);
	if (dserr) {
		fprintf(stderr, "NWDSSetContext(DCK_NAME_CONTEXT) failed: %s\n",
			strnwerror(dserr));
		return 122;
	}
	dserr = NWDSSetContext(ctx, DCK_CONFIDENCE, &confidence);
	if (dserr) {
		fprintf(stderr, "NWDSSetContext(DCK_CONFIDENCE) failed: %s\n",
			strnwerror(dserr));
		return 122;
	}
#ifndef N_PLAT_MSW4
	{
		static const u_int32_t add[] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15};
		dserr = NWDSSetTransport(ctx, 16, add);
		if (dserr) {
			fprintf(stderr, "NWDSSetTransport failed: %s\n",
				strnwerror(dserr));
			return 124;
		}
	}
#endif
#ifdef N_PLAT_MSW4
	dserr = NWDSOpenConnToNDSServer(ctx, server, &conn);
#else
	if (server[0] == '/') {
		dserr = ncp_open_mount(server, &conn);
		if (dserr) {
			fprintf(stderr, "ncp_open_mount failed with %s\n",
				strnwerror(dserr));
			return 111;
		}
	} else {
		struct ncp_conn_spec connsp;
		long err;
		
		memset(&connsp, 0, sizeof(connsp));
		strcpy(connsp.server, server);
		conn = ncp_open(&connsp, &err);
		if (!conn) {
			fprintf(stderr, "ncp_open failed with %s\n",
				strnwerror(err));
			return 111;
		}
	}
	dserr = NWDSAddConnection(ctx, conn);
#endif
	if (dserr) {
		fprintf(stderr, "Cannot bind connection to context: %s\n",
			strnwerror(dserr));
	}
	dserr = NWDSAllocBuf(size, &buf);
	if (dserr) {
		fprintf(stderr, "Cannot create reply buffer: %s\n",
			strnwerror(dserr));
	}
	do {
		if (subjectname) {
			req = 2;
			dserr = NWDSListAttrsEffectiveRights(ctx, objectname,
					subjectname, allattr, attr, &ih, buf);
		} else if (ts_specified)
			dserr = NWDSExtSyncRead(ctx, objectname, req, allattr, attr,
					&ih, &ts, buf);
		else
			dserr = NWDSRead(ctx, objectname, req, allattr, attr, 
					&ih, buf);
		if (dserr) {
			fprintf(stderr, "Read failed with %s\n", 
				strnwerror(dserr));
		} else {
			unsigned char* pp;
			NWObjectCount cnt;

			printf("Iteration handle: %08X\n", ih);
			pp = buf->curPos;		
			dserr = NWDSGetAttrCount(ctx, buf, &cnt);
			if (dserr) {
				fprintf(stderr, "GetAttrCount failed with %s\n",
					strnwerror(dserr));
			} else {
				printf("Attributes: %u\n", cnt);
				pp = buf->curPos;
				while (cnt--) {
					char name[65536];
					NWObjectCount valcnt;
					enum SYNTAX synt;
				
					dserr = NWDSGetAttrName(ctx, buf, name, &valcnt, &synt);
					if (dserr) {
						fprintf(stderr, "GetAttrName failed with %s\n",
							strnwerror(dserr));
						break;
					}
					printf("  Attribute: '%s'\n", name);
					if (req > 0) {
						printf("    Syntax: %d\n", synt);
						printf("    Values count: %d\n", valcnt);
						while (valcnt--) {
							size_t cs;

							printf("      Value:\n");
							if ((req == 3) || (req == 4)) {
								nuint32 flags;
								TimeStamp_T stamp;

								dserr = NWDSGetAttrValFlags(ctx, buf, &flags);
								if (dserr) {
									fprintf(stderr, "GetAttrFlags failed with %s\n",
										strnwerror(dserr));
									break;
								}
								printf("        Flags: %08X\n", flags);
								dserr = NWDSGetAttrValModTime(ctx, buf, &stamp);
								if (dserr) {
									fprintf(stderr, "GetAttrModTime failed with %s\n",
										strnwerror(dserr));
									break;
								}
								printf("        ModTime: %u / %u.%u\n", stamp.wholeSeconds,
									stamp.replicaNum, stamp.eventID);
							}
							dserr = NWDSComputeAttrValSize(ctx, buf, synt, &cs);
							if (dserr) {
								fprintf(stderr, "ComputeAttrValSize failed for SYNT %d\n", synt);
								cs = ~0;
							}
							memset(name, 0xEE, sizeof(name));
							dserr = NWDSGetAttrVal(ctx, buf, synt, name);
							if (dserr) {
								fprintf(stderr, "GetAttrVal failed with %s\n",
									strnwerror(dserr));
								break;
							}
							{
								size_t rl = sizeof(name);
								while ((rl > 0) && (name[rl - 1] == '\xEE')) rl--;
								if (cs != rl) {
									printf("SYNT %d: computed: %u, real: %u\n", synt, cs, rl);
								}
							}
							switch (synt) {
								case SYN_DIST_NAME:
								case SYN_CI_STRING:
								case SYN_CE_STRING:
								case SYN_PR_STRING:
								case SYN_NU_STRING:
								case SYN_TEL_NUMBER:
								case SYN_CLASS_NAME:
									printf("        Value: '%s'\n", name);
									break;
								case SYN_OCTET_STRING:
									{
										Octet_String_T* os = (Octet_String_T*)name;
										size_t i;
										
										printf("        Value: length=%u\n", os->length);
										printf("               ");
										for (i = 0; i < os->length; i++)
											printf("%02X ", os->data[i]);
										printf("\n");
									}
									break;
								case SYN_COUNTER:
								case SYN_INTEGER:
								case SYN_INTERVAL:
									printf("        Value: %u (0x%X)\n", *((Integer_T*)name), *((Integer_T*)name));
									break;
								case SYN_BOOLEAN:
									{
										Boolean_T* b = (Boolean_T*)name;
										
										printf("        Value: %u (%s)\n", *b, (*b==1)?"true":(*b)?"unknown":"false");
									}
									break;
								case SYN_TIMESTAMP:
									{
										TimeStamp_T* stamp = (TimeStamp_T*)name;
										printf("        Value: %u / %u.%u\n",
											stamp->wholeSeconds, stamp->replicaNum,
											stamp->eventID);
									}
									break;
								case SYN_NET_ADDRESS:
									{
										Net_Address_T* na = (Net_Address_T*)name;
										size_t z;

										printf("            Type: %u\n", na->addressType);
										printf("            Length: %u\n", na->addressLength);
										printf("            Data: ");
										for (z = 0; z < na->addressLength; z++)
											printf("%02X ", na->address[z]);
										printf("\n");
									}
									break;
								case SYN_REPLICA_POINTER:
									{
										Replica_Pointer_T* rp = (Replica_Pointer_T*)name;
										Net_Address_T* qp;
										int cntv;
				
										printf("        Value:\n");
										printf("          Server Name: '%s'\n", rp->serverName);
										printf("          Replica Type: %u\n", rp->replicaType);
										printf("          Replica Number: %u\n", rp->replicaNumber);
										printf("          Address Count: %u\n", rp->count);
										for (cntv = rp->count, qp = rp->replicaAddressHint; cntv--; qp++) {
											size_t z;

											printf("            Type: %u\n", qp->addressType);
											printf("            Length: %u\n", qp->addressLength);
											printf("            Data: ");
											for (z = 0; z < qp->addressLength; z++)
												printf("%02X ", qp->address[z]);
											printf("\n");
										}
									}
									break;
								case SYN_OBJECT_ACL:
									{
										Object_ACL_T* oacl = (Object_ACL_T*)name;
						
										printf("        Protected Attribute: '%s'\n", oacl->protectedAttrName);
										printf("        Subject Name: '%s'\n", oacl->subjectName);
										printf("        Privileges: %08X\n", oacl->privileges);
									}
									break;
								case SYN_PATH:
									{
										Path_T* p = (Path_T*)name;
									
										printf("        Name Space Type: %u\n", p->nameSpaceType);
										printf("        Volume Name: '%s'\n", p->volumeName);
										printf("        Path: '%s'\n", p->path);
									}
									break;
								case SYN_TIME:
									{
										printf("        Time: %s", ctime((Time_T*)name));
									}
									break;
								case SYN_TYPED_NAME:
									{
										Typed_Name_T* tn = (Typed_Name_T*)name;
										
										printf("        Interval: %u\n", tn->interval);
										printf("        Level: %u\n", tn->level);
										printf("        Name: '%s'\n", tn->objectName);
									}
									break;
								case SYN_CI_LIST:
									{
										CI_List_T* cl = (CI_List_T*)name;
									
										for (; cl; cl = cl->next) {
											printf("        Value: '%s'\n", cl->s);
										}
									}
									break;
								case SYN_OCTET_LIST:
									{
										Octet_List_T* ol = (Octet_List_T*)name;
									
										for (; ol; ol = ol->next) {
											size_t i;
											
											printf("        Value: Length: %u\n", ol->length);
											printf("               ");
											for (i = 0; i < ol->length; i++)
												printf("%02X ", ol->data[i]);
											printf("\n");
										}
									}
									break;
								case SYN_BACK_LINK:
									{
										Back_Link_T* bl = (Back_Link_T*)name;
										
										printf("        Remote ID: %08X\n", bl->remoteID);
										printf("        Object Name: '%s'\n", bl->objectName);
									}
									break;
								case SYN_FAX_NUMBER:
									{
										Fax_Number_T* fn = (Fax_Number_T*)name;
										
										printf("        Fax Number: '%s'\n", fn->telephoneNumber);
										printf("        Parameter bits: %u\n", fn->parameters.numOfBits);
									}
									break;
								case SYN_EMAIL_ADDRESS:
									{
										EMail_Address_T* ea = (EMail_Address_T*)name;
										
										printf("        Type: %u\n", ea->type);
										printf("        Address: '%s'\n", ea->address);
									}
									break;
								case SYN_PO_ADDRESS:
									{
										Postal_Address_T* pa = (Postal_Address_T*)name;
										
										printf("        Line 1: '%s'\n", (*pa)[0]);
										printf("        Line 2: '%s'\n", (*pa)[1]);
										printf("        Line 3: '%s'\n", (*pa)[2]);
										printf("        Line 4: '%s'\n", (*pa)[3]);
										printf("        Line 5: '%s'\n", (*pa)[4]);
										printf("        Line 6: '%s'\n", (*pa)[5]);
									}
									break;
								case SYN_HOLD:
									{
										Hold_T* h = (Hold_T*)name;
										
										printf("        Amount: %u\n", h->amount);
										printf("        Object Name: '%s'\n", h->objectName);
									}
									break;
								default:
									printf("        Value: unprintable\n");
									break;
							}
						}
						if (dserr)
							break;
						pp = buf->curPos;
					}
				}
			}
#ifndef N_PLAT_MSW4
			for (; pp < buf->dataend; pp++) {
				printf("%02X ", *pp);
			}
			printf("\n");
#endif
		}
	} while ((dserr == 0) && (ih != NO_MORE_ITERATIONS));
	NWCCCloseConn(conn);
	dserr = NWDSFreeContext(ctx);
	if (dserr) {
		fprintf(stderr, "NWDSFreeContext failed with %s\n", strnwerror(dserr));
		return 121;
	}
finished:
	return 0;
}