[moira.git] / afssync / pt_util.c

/*
 *
 * ptdump: Program to dump the AFS protection server database
 *         into an ascii file.
 *
 *	Assumptions: We *cheat* here and read the datafile directly, ie.
 *	             not going through the ubik distributed data manager.
 *		     therefore the database must be quiescent for the
 *		     output of this program to be valid.
 */

#include <sys/types.h>
#include <sys/time.h>
#include <stdio.h>
#include <ctype.h>
#include <string.h>
#include <sys/file.h>

#include <afs/param.h>
#include <lock.h>
#include <netinet/in.h>
#define UBIK_INTERNALS
#include <ubik.h>
#include <rx/xdr.h>
#include <rx/rx.h>
#include "ptint.h"
#include "ptserver.h"
#include "pterror.h"

#define IDHash(x) (abs(x) % HASHSIZE)
#define print_id(x) ( ((flags&DO_SYS)==0 && (x<-32767 || x>97536)) || \
		      ((flags&DO_OTR)==0 && (x>-32768 && x<97537)))

extern char *optarg;
extern int optind;
extern int errno;
extern char *sys_errlist[];
#define strerror(a) sys_errlist[a]

int display_entry();
void add_group();
void display_groups();
void display_group();
void fix_pre();
char *checkin();
char *check_core();
char *id_to_name();

struct hash_entry {
    char h_name[PR_MAXNAMELEN];
    int h_id;
    struct hash_entry *next;
};
struct hash_entry *hat[HASHSIZE];

static struct contentry prco;
static struct prentry pre;
static struct prheader prh;
static struct ubik_version uv;

struct grp_list {
    struct grp_list	*next;
    long		groups[1024];
};
static struct grp_list *grp_head=0;
static long grp_count=0;

struct usr_list {
    struct usr_list *next;
    char name[PR_MAXNAMELEN];
    long uid;
};
static struct usr_list *usr_head=0;

char buffer[1024];
int dbase_fd;
FILE *dfp;

#define FMT_BASE "%-10s %d/%d %d %d %d\n"
#define FMT_MEM  "   %-8s %d\n"

#define DO_USR 1
#define DO_GRP 2
#define DO_MEM 4
#define DO_SYS 8
#define DO_OTR 16

int nflag = 0;
int wflag = 0;
int flags = 0;

main(argc, argv)
int argc;
char **argv;
{
    register int i;
    register long code;
    long cc, upos, gpos;
    struct prentry uentry, gentry;
    struct ubik_hdr *uh;
    char *dfile = 0;
    char *pfile = "/usr/afs/db/prdb.DB0";
    
    while ((cc = getopt(argc, argv, "wugmxsnp:d:")) != EOF) {
	switch (cc) {
	case 'p':
	    pfile = optarg;
	    break;
	case 'd':
	    dfile = optarg;
	    break;
	case 'n':
	    nflag++;
	    break;
	case 'w':
	    wflag++;
	    break;
	case 'u':
	    flags |= DO_USR;
	    break;
	case 'm':
	    flags |= (DO_GRP|DO_MEM);
	    break;
	case 'g':
	    flags |= DO_GRP;
	    break;
	case 's':
	    flags |= DO_SYS;
	    break;
	case 'x':
	    flags |= DO_OTR;
	    break;
	default:
	    fprintf(stderr,
		    "Usage: ptdump [options] [-d data] [-p prdb]\n");
	    fputs("  Options:\n", stderr);
	    fputs("    -w  Update prdb with contents of data file\n", stderr);
	    fputs("    -u  Display users\n", stderr);
	    fputs("    -g  Display groups\n", stderr);
	    fputs("    -m  Display group members\n", stderr);
	    fputs("    -n  Follow name hash chains (not id hashes)\n", stderr);
	    fputs("    -s  Display only system (Moira) data\n", stderr);
	    fputs("    -x  Display extra users/groups\n", stderr);
	    exit(1);
	}
    }
    if ((dbase_fd = open(pfile, wflag ? O_RDWR : O_RDONLY, 0600)) < 0) {
	fprintf(stderr, "ptdump: cannot open %s: %s\n",
		pfile, sys_errlist[errno]);
	exit (1);
    }
    if (read(dbase_fd, buffer, HDRSIZE) < 0) {
	fprintf(stderr, "ptdump: error reading %s: %s\n",
		pfile, sys_errlist[errno]);
	exit (1);
    }

    if (dfile) {
	if ((dfp = fopen(dfile, wflag ? "r" : "w")) == 0) {
	    fprintf(stderr, "ptdump: error opening %s: %s\n",
		    dfile, sys_errlist[errno]);
	    exit(1);
	}
    } else
	dfp = (wflag ? stdin : stdout);

    uh = (struct ubik_hdr *)buffer;
    if (ntohl(uh->magic) != UBIK_MAGIC)
	fprintf(stderr, "ptdump: %s: Bad UBIK_MAGIC. Is %x should be %x\n",
		pfile, ntohl(uh->magic), UBIK_MAGIC);
    memcpy(&uv, &uh->version, sizeof(struct ubik_version));
    fprintf(stderr, "Ubik Version is: %d.%d\n",
	    uv.epoch, uv.counter);
    if (read(dbase_fd, &prh, sizeof(struct prheader)) < 0) {
	fprintf(stderr, "ptdump: error reading %s: %s\n",
		pfile, sys_errlist[errno]);
	exit (1);
    }

    Initdb();
    initialize_pt_error_table();

    if (wflag) {
	struct usr_list *u;

	while(fgets(buffer, sizeof(buffer), dfp)) {
	    int id, oid, cid, flags, quota, uid;
	    char name[PR_MAXNAMELEN], mem[PR_MAXNAMELEN];

	    if (isspace(*buffer)) {
		sscanf(buffer, "%s %d", mem, &uid);

		for (u=usr_head; u; u=u->next)
		    if (u->uid && u->uid==uid) break;
		if (u) {
		    /* Add user - deferred because it is probably foreign */
		    u->uid = 0;
		    if (FindByID(0, uid))
			code = PRIDEXIST;
		    else {
			if (!code && (flags&(PRGRP|PRQUOTA))==(PRGRP|PRQUOTA)){
			    gentry.ngroups++;
			    code = pr_WriteEntry(0,0,gpos,&gentry);
			    if (code)
				fprintf(stderr, "Error setting group count on %s: %s\n",
					name, error_message(code));
			}
			code = CreateEntry
			    (0, u->name, &uid, 1/*idflag*/, 1/*gflag*/,
			     SYSADMINID/*oid*/, SYSADMINID/*cid*/);
		    }
		    if (code)
			fprintf(stderr, "Error while creating %s: %s\n",
				u->name, error_message(code));
		    continue;
		}
		/* Add user to group */
		if (id==ANYUSERID || id==AUTHUSERID || uid==ANONYMOUSID) {
		    code = PRPERM;
		} else if ((upos=FindByID(0,uid)) && (gpos=FindByID(0,id))) {
		    code = pr_ReadEntry(0,0,upos,&uentry);
		    if (!code) code = pr_ReadEntry(0,0,gpos,&gentry);
		    if (!code) code = AddToEntry (0, &gentry, gpos, uid);
		    if (!code) code = AddToEntry (0, &uentry, upos, id);
		} else
		    code = PRNOENT;

		if (code)
		    fprintf(stderr, "Error while adding %s to %s: %s\n",
			    mem, name, error_message(code));
	    } else {
		sscanf(buffer, "%s %d/%d %d %d %d",
		       name, &flags, &quota, &id, &oid, &cid);

		if (FindByID(0, id))
		    code = PRIDEXIST;
		else
		    code = CreateEntry(0, name, &id, 1/*idflag*/,
				       flags&PRGRP, oid, cid);
		if (code == PRBADNAM) {
		    u = (struct usr_list *)malloc(sizeof(struct usr_list));
		    u->next = usr_head;
		    u->uid = id;
		    strcpy(u->name, name);
		    usr_head = u;
		} else
		if (code) {
		    fprintf(stderr, "Error while creating %s: %s\n",
			    name, error_message(code));
		} else if ((flags&PRACCESS) ||
			   (flags&(PRGRP|PRQUOTA))==(PRGRP|PRQUOTA)) {
		    gpos = FindByID(0, id);
		    code = pr_ReadEntry(0,0,gpos,&gentry);
		    if (!code) {
			gentry.flags = flags;
			gentry.ngroups = quota;
			code = pr_WriteEntry(0,0,gpos,&gentry);
		    }
		    if (code)
			fprintf(stderr,"Error while setting flags on %s: %s\n",
				name, error_message(code));
		}
	    }
	}
	for (u=usr_head; u; u=u->next)
	    if (u->uid)
		fprintf(stderr, "Error while creating %s: %s\n",
			u->name, error_message(PRBADNAM));
    } else {
	for (i = 0; i < HASHSIZE; i++) {
	    upos = nflag ? ntohl(prh.nameHash[i]) : ntohl(prh.idHash[i]);
	    while (upos)
		upos = display_entry(upos);
	}
	if (flags & DO_GRP)
	    display_groups();
    }

    lseek (dbase_fd, 0, L_SET);		/* rewind to beginning of file */
    if (read(dbase_fd, buffer, HDRSIZE) < 0) {
	fprintf(stderr, "ptdump: error reading %s: %s\n",
		pfile, sys_errlist[errno]);
	exit (1);
    }
    uh = (struct ubik_hdr *)buffer;
    if ((uh->version.epoch != uv.epoch) ||
	(uh->version.counter != uv.counter)) {
	fprintf(stderr, "ptdump: Ubik Version number changed during execution.\n");
	fprintf(stderr, "Old Version = %d.%d, new version = %d.%d\n",
		uv.epoch, uv.counter, uh->version.epoch,
		uh->version.counter);
    }
    close (dbase_fd);
    exit (0);
}

int display_entry (offset)
int offset;
{
    register int i;

    lseek (dbase_fd, offset+HDRSIZE, L_SET);
    read(dbase_fd, &pre, sizeof(struct prentry));

    fix_pre(&pre);

    if ((pre.flags & PRFREE) == 0) {
	if (pre.flags & PRGRP) {
	    if (flags & DO_GRP)
		add_group(pre.id);
	} else {
	    if (print_id(pre.id) && (flags&DO_USR))
		fprintf(dfp, FMT_BASE,
			pre.name, pre.flags, pre.ngroups,
			pre.id, pre.owner, pre.creator);
	    checkin(&pre);
	}
    }
    return(nflag ? pre.nextName: pre.nextID);
}

void add_group(id)
    long id;
{
    struct grp_list *g;
    register long i;

    i = grp_count++ % 1024;
    if (i == 0) {
	g = (struct grp_list *)malloc(sizeof(struct grp_list));
	g->next = grp_head;
	grp_head = g;
    }
    g = grp_head;
    g->groups[i] = id;
}

void display_groups()
{
    register int i, id;
    struct grp_list *g;

    g = grp_head;
    while (grp_count--) {
	i = grp_count%1024;
	id = g->groups[i];
	display_group(id);
	if (i==0) {
	    grp_head = g->next;
	    free(g);
	    g = grp_head;
	}
    }
}

void display_group(id)
    int id;
{
    register int i, offset;
    int print_grp = 0;

    offset = ntohl(prh.idHash[IDHash(id)]);
    while (offset) {
	lseek(dbase_fd, offset+HDRSIZE, L_SET);
	if (read(dbase_fd, &pre, sizeof(struct prentry)) < 0) {
	    fprintf(stderr, "ptdump: read i/o error: %s\n",
		    strerror(errno));
	    exit (1);
	}
	fix_pre(&pre);
	if (pre.id == id)
	    break;
	offset = pre.nextID;
    }

    if (print_id(id)) {
	fprintf(dfp, FMT_BASE,
		pre.name, pre.flags, pre.ngroups,
		pre.id, pre.owner, pre.creator);
	print_grp = 1;
    }

    if ((flags&DO_MEM) == 0)
	return;

    for (i=0; i<PRSIZE; i++) {
	if ((id=pre.entries[i]) == 0)
	    break;
	if (id==PRBADID) continue;
	if (print_id(id) || print_grp==1) {
	    if (print_grp==0) {
		fprintf(dfp, FMT_BASE,
			pre.name, pre.flags, pre.ngroups,
			pre.id, pre.owner, pre.creator);
		print_grp = 2;
	    }
	    fprintf(dfp, FMT_MEM, id_to_name(id), id);
	}
    }
    if (i == PRSIZE) {
	offset = pre.next;
	while (offset) {
	    lseek(dbase_fd, offset+HDRSIZE, L_SET);
	    read(dbase_fd, &prco, sizeof(struct contentry));
	    prco.next = ntohl(prco.next);
	    for (i = 0; i < COSIZE; i++) {
		prco.entries[i] = ntohl(prco.entries[i]);
		if ((id=prco.entries[i]) == 0)
		    break;
		if (id==PRBADID) continue;
		if (print_id(id) || print_grp==1) {
		    if (print_grp==0) {
			fprintf(dfp, FMT_BASE,
				pre.name, pre.flags, pre.ngroups,
				pre.id, pre.owner, pre.creator);
			print_grp = 2;
		    }
		    fprintf(dfp, FMT_MEM, id_to_name(id), id);
		}
	    }
	    if ((i == COSIZE) && prco.next)
		offset = prco.next;
	    else offset = 0;
	}
    }
}

void fix_pre(pre)
    struct prentry *pre;
{
    register int i;
    
    pre->flags = ntohl(pre->flags);
    pre->id = ntohl(pre->id);
    pre->cellid = ntohl(pre->cellid);
    pre->next = ntohl(pre->next);
    pre->nextID = ntohl(pre->nextID);
    pre->nextName = ntohl(pre->nextName);
    pre->owner = ntohl(pre->owner);
    pre->creator = ntohl(pre->creator);
    pre->ngroups = ntohl(pre->ngroups);
    pre->nusers = ntohl(pre->nusers);
    pre->count = ntohl(pre->count);
    pre->instance = ntohl(pre->instance);
    pre->owned = ntohl(pre->owned);
    pre->nextOwned = ntohl(pre->nextOwned);
    pre->parent = ntohl(pre->parent);
    pre->sibling = ntohl(pre->sibling);
    pre->child = ntohl(pre->child);
    for (i = 0; i < PRSIZE; i++) {
	pre->entries[i] = ntohl(pre->entries[i]);
    }
}

char *id_to_name(id)
int id;
{
    register int offset;
    static struct prentry pre;
    char *name;

    name = check_core(id);
    if (name) return(name);
    offset = ntohl(prh.idHash[IDHash(id)]);
    while (offset) {
	lseek(dbase_fd, offset+HDRSIZE, L_SET);
	if (read(dbase_fd, &pre, sizeof(struct prentry)) < 0) {
	    fprintf(stderr, "ptdump: read i/o error: %s\n",
		    sys_errlist[errno]);
	    exit (1);
	}
	pre.id = ntohl(pre.id);
	if (pre.id == id) {
	    name = checkin(&pre);
	    return(name);
	}
	offset = ntohl(pre.nextID);
    }
    return 0;
}

char *checkin(pre)
struct prentry *pre;
{
    struct hash_entry *he, *last;
    register int id;

    id = pre->id;
    last = (struct hash_entry *)0;
    he = hat[IDHash(id)];
    while (he) {
	if (id == he->h_id) return(he->h_name);
	last = he;
	he = he->next;
    }
    he = (struct hash_entry *)malloc(sizeof(struct hash_entry));
    if (he == 0) {
	fprintf(stderr, "ptdump: No Memory for internal hash table.\n");
	exit (1);
    }
    he->h_id = id;
    he->next = (struct hash_entry *)0;
    strncpy(he->h_name, pre->name, PR_MAXNAMELEN);
    if (last == (struct hash_entry *)0) hat[IDHash(id)] = he;
    else last->next = he;
    return(he->h_name);
}

char *check_core(id)
register int id;
{
    struct hash_entry *he;
    he = hat[IDHash(id)];
    while (he) {
	if (id == he->h_id) return(he->h_name);
	he = he->next;
    }
    return 0;
}
Commit	Line	Data
19afa59e	1	/*
	2	*
	3	* ptdump: Program to dump the AFS protection server database
	4	* into an ascii file.
	5	*
	6	* Assumptions: We cheat here and read the datafile directly, ie.
	7	* not going through the ubik distributed data manager.
	8	* therefore the database must be quiescent for the
	9	* output of this program to be valid.
	10	*/
	11
	12	#include <sys/types.h>
	13	#include <sys/time.h>
	14	#include <stdio.h>
	15	#include <ctype.h>
b4cd3401	16	#include <string.h>
19afa59e	17	#include <sys/file.h>
	18
	19	#include <afs/param.h>
	20	#include <lock.h>
	21	#include <netinet/in.h>
	22	#define UBIK_INTERNALS
	23	#include <ubik.h>
	24	#include <rx/xdr.h>
	25	#include <rx/rx.h>
	26	#include "ptint.h"
	27	#include "ptserver.h"
	28	#include "pterror.h"
	29
	30	#define IDHash(x) (abs(x) % HASHSIZE)
c65cba46	31	#define print_id(x) ( ((flags&DO_SYS)==0 && (x<-32767 \|\| x>97536)) \|\| \
c65cba46	32	((flags&DO_OTR)==0 && (x>-32768 && x<97537)))
19afa59e	33
	34	extern char *optarg;
	35	extern int optind;
	36	extern int errno;
	37	extern char *sys_errlist[];
	38	#define strerror(a) sys_errlist[a]
	39
	40	int display_entry();
	41	void add_group();
	42	void display_groups();
	43	void display_group();
	44	void fix_pre();
	45	char *checkin();
	46	char *check_core();
	47	char *id_to_name();
	48
	49	struct hash_entry {
	50	char h_name[PR_MAXNAMELEN];
	51	int h_id;
	52	struct hash_entry *next;
	53	};
	54	struct hash_entry *hat[HASHSIZE];
	55
	56	static struct contentry prco;
	57	static struct prentry pre;
	58	static struct prheader prh;
	59	static struct ubik_version uv;
	60
	61	struct grp_list {
	62	struct grp_list *next;
	63	long groups[1024];
	64	};
	65	static struct grp_list *grp_head=0;
	66	static long grp_count=0;
	67
	68	struct usr_list {
	69	struct usr_list *next;
	70	char name[PR_MAXNAMELEN];
	71	long uid;
19afa59e	72	};
	73	static struct usr_list *usr_head=0;
	74
	75	char buffer[1024];
	76	int dbase_fd;
	77	FILE *dfp;
	78
	79	#define FMT_BASE "%-10s %d/%d %d %d %d\n"
	80	#define FMT_MEM " %-8s %d\n"
	81
	82	#define DO_USR 1
	83	#define DO_GRP 2
	84	#define DO_MEM 4
	85	#define DO_SYS 8
	86	#define DO_OTR 16
	87
	88	int nflag = 0;
	89	int wflag = 0;
	90	int flags = 0;
	91
	92	main(argc, argv)
	93	int argc;
	94	char **argv;
	95	{
19afa59e	96	register int i;
ebf8510d	97	register long code;
	98	long cc, upos, gpos;
	99	struct prentry uentry, gentry;
	100	struct ubik_hdr *uh;
19afa59e	101	char *dfile = 0;
ebf8510d	102	char *pfile = "/usr/afs/db/prdb.DB0";
19afa59e	103
	104	while ((cc = getopt(argc, argv, "wugmxsnp:d:")) != EOF) {
	105	switch (cc) {
	106	case 'p':
	107	pfile = optarg;
	108	break;
	109	case 'd':
	110	dfile = optarg;
	111	break;
	112	case 'n':
	113	nflag++;
	114	break;
	115	case 'w':
	116	wflag++;
	117	break;
	118	case 'u':
	119	flags \|= DO_USR;
	120	break;
	121	case 'm':
	122	flags \|= (DO_GRP\|DO_MEM);
	123	break;
	124	case 'g':
	125	flags \|= DO_GRP;
	126	break;
	127	case 's':
	128	flags \|= DO_SYS;
	129	break;
	130	case 'x':
	131	flags \|= DO_OTR;
	132	break;
	133	default:
	134	fprintf(stderr,
	135	"Usage: ptdump [options] [-d data] [-p prdb]\n");
	136	fputs(" Options:\n", stderr);
	137	fputs(" -w Update prdb with contents of data file\n", stderr);
	138	fputs(" -u Display users\n", stderr);
	139	fputs(" -g Display groups\n", stderr);
	140	fputs(" -m Display group members\n", stderr);
	141	fputs(" -n Follow name hash chains (not id hashes)\n", stderr);
	142	fputs(" -s Display only system (Moira) data\n", stderr);
	143	fputs(" -x Display extra users/groups\n", stderr);
	144	exit(1);
	145	}
	146	}
	147	if ((dbase_fd = open(pfile, wflag ? O_RDWR : O_RDONLY, 0600)) < 0) {
	148	fprintf(stderr, "ptdump: cannot open %s: %s\n",
	149	pfile, sys_errlist[errno]);
	150	exit (1);
	151	}
	152	if (read(dbase_fd, buffer, HDRSIZE) < 0) {
	153	fprintf(stderr, "ptdump: error reading %s: %s\n",
	154	pfile, sys_errlist[errno]);
	155	exit (1);
	156	}
	157
	158	if (dfile) {
	159	if ((dfp = fopen(dfile, wflag ? "r" : "w")) == 0) {
	160	fprintf(stderr, "ptdump: error opening %s: %s\n",
	161	dfile, sys_errlist[errno]);
	162	exit(1);
	163	}
	164	} else
	165	dfp = (wflag ? stdin : stdout);
	166
167	uh = (struct ubik_hdr *)buffer;
168	if (ntohl(uh->magic) != UBIK_MAGIC)
169	fprintf(stderr, "ptdump: %s: Bad UBIK_MAGIC. Is %x should be %x\n",
170	pfile, ntohl(uh->magic), UBIK_MAGIC);
c7e4633e	171	memcpy(&uv, &uh->version, sizeof(struct ubik_version));
19afa59e	172	fprintf(stderr, "Ubik Version is: %d.%d\n",
	173	uv.epoch, uv.counter);
	174	if (read(dbase_fd, &prh, sizeof(struct prheader)) < 0) {
	175	fprintf(stderr, "ptdump: error reading %s: %s\n",
	176	pfile, sys_errlist[errno]);
	177	exit (1);
	178	}
	179
ebf8510d	180	Initdb();
19afa59e	181	initialize_pt_error_table();
19afa59e	182
19afa59e	183	if (wflag) {
6518f874	184	struct usr_list *u;
6518f874	185
19afa59e	186	while(fgets(buffer, sizeof(buffer), dfp)) {
19afa59e	187	int id, oid, cid, flags, quota, uid;
	188	char name[PR_MAXNAMELEN], mem[PR_MAXNAMELEN];
	189
	190	if (isspace(*buffer)) {
	191	sscanf(buffer, "%s %d", mem, &uid);
d61de718	192
19afa59e	193	for (u=usr_head; u; u=u->next)
	194	if (u->uid && u->uid==uid) break;
	195	if (u) {
ebf8510d	196	/* Add user - deferred because it is probably foreign */
19afa59e	197	u->uid = 0;
ebf8510d	198	if (FindByID(0, uid))
ebf8510d	199	code = PRIDEXIST;
d61de718	200	else {
	201	if (!code && (flags&(PRGRP\|PRQUOTA))==(PRGRP\|PRQUOTA)){
	202	gentry.ngroups++;
	203	code = pr_WriteEntry(0,0,gpos,&gentry);
	204	if (code)
	205	fprintf(stderr, "Error setting group count on %s: %s\n",
	206	name, error_message(code));
	207	}
ebf8510d	208	code = CreateEntry
	209	(0, u->name, &uid, 1/idflag/, 1/gflag/,
	210	SYSADMINID/oid/, SYSADMINID/cid/);
d61de718	211	}
ebf8510d	212	if (code)
19afa59e	213	fprintf(stderr, "Error while creating %s: %s\n",
ebf8510d	214	u->name, error_message(code));
d61de718	215	continue;
19afa59e	216	}
ebf8510d	217	/* Add user to group */
	218	if (id==ANYUSERID \|\| id==AUTHUSERID \|\| uid==ANONYMOUSID) {
	219	code = PRPERM;
	220	} else if ((upos=FindByID(0,uid)) && (gpos=FindByID(0,id))) {
	221	code = pr_ReadEntry(0,0,upos,&uentry);
	222	if (!code) code = pr_ReadEntry(0,0,gpos,&gentry);
	223	if (!code) code = AddToEntry (0, &gentry, gpos, uid);
	224	if (!code) code = AddToEntry (0, &uentry, upos, id);
	225	} else
	226	code = PRNOENT;
	227
	228	if (code)
	229	fprintf(stderr, "Error while adding %s to %s: %s\n",
	230	mem, name, error_message(code));
19afa59e	231	} else {
	232	sscanf(buffer, "%s %d/%d %d %d %d",
	233	name, &flags, &quota, &id, &oid, &cid);
ebf8510d	234
	235	if (FindByID(0, id))
	236	code = PRIDEXIST;
	237	else
	238	code = CreateEntry(0, name, &id, 1/idflag/,
	239	flags&PRGRP, oid, cid);
ebf8510d	240	if (code == PRBADNAM) {
19afa59e	241	u = (struct usr_list *)malloc(sizeof(struct usr_list));
	242	u->next = usr_head;
	243	u->uid = id;
19afa59e	244	strcpy(u->name, name);
19afa59e	245	usr_head = u;
ebf8510d	246	} else
ebf8510d	247	if (code) {
19afa59e	248	fprintf(stderr, "Error while creating %s: %s\n",
ebf8510d	249	name, error_message(code));
	250	} else if ((flags&PRACCESS) \|\|
	251	(flags&(PRGRP\|PRQUOTA))==(PRGRP\|PRQUOTA)) {
	252	gpos = FindByID(0, id);
	253	code = pr_ReadEntry(0,0,gpos,&gentry);
	254	if (!code) {
	255	gentry.flags = flags;
35f22231	256	gentry.ngroups = quota;
ebf8510d	257	code = pr_WriteEntry(0,0,gpos,&gentry);
	258	}
	259	if (code)
	260	fprintf(stderr,"Error while setting flags on %s: %s\n",
	261	name, error_message(code));
19afa59e	262	}
19afa59e	263	}
19afa59e	264	}
6518f874	265	for (u=usr_head; u; u=u->next)
	266	if (u->uid)
	267	fprintf(stderr, "Error while creating %s: %s\n",
	268	u->name, error_message(PRBADNAM));
19afa59e	269	} else {
19afa59e	270	for (i = 0; i < HASHSIZE; i++) {
ebf8510d	271	upos = nflag ? ntohl(prh.nameHash[i]) : ntohl(prh.idHash[i]);
	272	while (upos)
	273	upos = display_entry(upos);
19afa59e	274	}
	275	if (flags & DO_GRP)
	276	display_groups();
	277	}
	278
	279	lseek (dbase_fd, 0, L_SET); /* rewind to beginning of file */
	280	if (read(dbase_fd, buffer, HDRSIZE) < 0) {
	281	fprintf(stderr, "ptdump: error reading %s: %s\n",
	282	pfile, sys_errlist[errno]);
	283	exit (1);
	284	}
	285	uh = (struct ubik_hdr *)buffer;
	286	if ((uh->version.epoch != uv.epoch) \|\|
	287	(uh->version.counter != uv.counter)) {
	288	fprintf(stderr, "ptdump: Ubik Version number changed during execution.\n");
	289	fprintf(stderr, "Old Version = %d.%d, new version = %d.%d\n",
	290	uv.epoch, uv.counter, uh->version.epoch,
	291	uh->version.counter);
	292	}
	293	close (dbase_fd);
	294	exit (0);
	295	}
	296
	297	int display_entry (offset)
	298	int offset;
	299	{
	300	register int i;
	301
	302	lseek (dbase_fd, offset+HDRSIZE, L_SET);
	303	read(dbase_fd, &pre, sizeof(struct prentry));
	304
	305	fix_pre(&pre);
	306
	307	if ((pre.flags & PRFREE) == 0) {
	308	if (pre.flags & PRGRP) {
	309	if (flags & DO_GRP)
	310	add_group(pre.id);
	311	} else {
	312	if (print_id(pre.id) && (flags&DO_USR))
	313	fprintf(dfp, FMT_BASE,
	314	pre.name, pre.flags, pre.ngroups,
	315	pre.id, pre.owner, pre.creator);
	316	checkin(&pre);
	317	}
	318	}
	319	return(nflag ? pre.nextName: pre.nextID);
	320	}
	321
	322	void add_group(id)
	323	long id;
	324	{
	325	struct grp_list *g;
	326	register long i;
	327
	328	i = grp_count++ % 1024;
	329	if (i == 0) {
	330	g = (struct grp_list *)malloc(sizeof(struct grp_list));
	331	g->next = grp_head;
	332	grp_head = g;
	333	}
	334	g = grp_head;
	335	g->groups[i] = id;
	336	}
	337
338	void display_groups()
339	{
340	register int i, id;
341	struct grp_list *g;
342
343	g = grp_head;
344	while (grp_count--) {
345	i = grp_count%1024;
346	id = g->groups[i];
347	display_group(id);
348	if (i==0) {
349	grp_head = g->next;
350	free(g);
351	g = grp_head;
352	}
353	}
354	}
355
356	void display_group(id)
357	int id;
358	{
359	register int i, offset;
360	int print_grp = 0;
361
362	offset = ntohl(prh.idHash[IDHash(id)]);
363	while (offset) {
364	lseek(dbase_fd, offset+HDRSIZE, L_SET);
365	if (read(dbase_fd, &pre, sizeof(struct prentry)) < 0) {
366	fprintf(stderr, "ptdump: read i/o error: %s\n",
367	strerror(errno));
368	exit (1);
369	}
370	fix_pre(&pre);
371	if (pre.id == id)
372	break;
373	offset = pre.nextID;
374	}
375
376	if (print_id(id)) {
377	fprintf(dfp, FMT_BASE,
378	pre.name, pre.flags, pre.ngroups,
379	pre.id, pre.owner, pre.creator);
380	print_grp = 1;
381	}
382
383	if ((flags&DO_MEM) == 0)
384	return;
385
386	for (i=0; i<PRSIZE; i++) {
387	if ((id=pre.entries[i]) == 0)
388	break;
389	if (id==PRBADID) continue;
390	if (print_id(id) \|\| print_grp==1) {
391	if (print_grp==0) {
392	fprintf(dfp, FMT_BASE,
393	pre.name, pre.flags, pre.ngroups,
394	pre.id, pre.owner, pre.creator);
395	print_grp = 2;
396	}
397	fprintf(dfp, FMT_MEM, id_to_name(id), id);
398	}
399	}
400	if (i == PRSIZE) {
401	offset = pre.next;
402	while (offset) {
403	lseek(dbase_fd, offset+HDRSIZE, L_SET);
404	read(dbase_fd, &prco, sizeof(struct contentry));
405	prco.next = ntohl(prco.next);
406	for (i = 0; i < COSIZE; i++) {
407	prco.entries[i] = ntohl(prco.entries[i]);
408	if ((id=prco.entries[i]) == 0)
409	break;
410	if (id==PRBADID) continue;
411	if (print_id(id) \|\| print_grp==1) {
412	if (print_grp==0) {
413	fprintf(dfp, FMT_BASE,
414	pre.name, pre.flags, pre.ngroups,
415	pre.id, pre.owner, pre.creator);
416	print_grp = 2;
417	}
418	fprintf(dfp, FMT_MEM, id_to_name(id), id);
419	}
420	}
421	if ((i == COSIZE) && prco.next)
422	offset = prco.next;
423	else offset = 0;
424	}
425	}
426	}
427
428	void fix_pre(pre)
429	struct prentry *pre;
430	{
431	register int i;
432
433	pre->flags = ntohl(pre->flags);
434	pre->id = ntohl(pre->id);
435	pre->cellid = ntohl(pre->cellid);
436	pre->next = ntohl(pre->next);
437	pre->nextID = ntohl(pre->nextID);
438	pre->nextName = ntohl(pre->nextName);
439	pre->owner = ntohl(pre->owner);
440	pre->creator = ntohl(pre->creator);
441	pre->ngroups = ntohl(pre->ngroups);
442	pre->nusers = ntohl(pre->nusers);
443	pre->count = ntohl(pre->count);
444	pre->instance = ntohl(pre->instance);
445	pre->owned = ntohl(pre->owned);
446	pre->nextOwned = ntohl(pre->nextOwned);
447	pre->parent = ntohl(pre->parent);
448	pre->sibling = ntohl(pre->sibling);
449	pre->child = ntohl(pre->child);
450	for (i = 0; i < PRSIZE; i++) {
451	pre->entries[i] = ntohl(pre->entries[i]);
452	}
453	}
454
455	char *id_to_name(id)
456	int id;
457	{
458	register int offset;
459	static struct prentry pre;
460	char *name;
461
462	name = check_core(id);
463	if (name) return(name);
464	offset = ntohl(prh.idHash[IDHash(id)]);
465	while (offset) {
466	lseek(dbase_fd, offset+HDRSIZE, L_SET);
467	if (read(dbase_fd, &pre, sizeof(struct prentry)) < 0) {
468	fprintf(stderr, "ptdump: read i/o error: %s\n",
469	sys_errlist[errno]);
470	exit (1);
471	}
472	pre.id = ntohl(pre.id);
473	if (pre.id == id) {
474	name = checkin(&pre);
475	return(name);
476	}
477	offset = ntohl(pre.nextID);
478	}
479	return 0;
480	}
481
482	char *checkin(pre)
483	struct prentry *pre;
484	{
485	struct hash_entry he, last;
486	register int id;
487
488	id = pre->id;
489	last = (struct hash_entry *)0;
490	he = hat[IDHash(id)];
491	while (he) {
492	if (id == he->h_id) return(he->h_name);
493	last = he;
494	he = he->next;
495	}
496	he = (struct hash_entry *)malloc(sizeof(struct hash_entry));
497	if (he == 0) {
498	fprintf(stderr, "ptdump: No Memory for internal hash table.\n");
499	exit (1);
500	}
501	he->h_id = id;
502	he->next = (struct hash_entry *)0;
503	strncpy(he->h_name, pre->name, PR_MAXNAMELEN);
504	if (last == (struct hash_entry *)0) hat[IDHash(id)] = he;
505	else last->next = he;
506	return(he->h_name);
507	}
508
509	char *check_core(id)
510	register int id;
511	{
512	struct hash_entry *he;
513	he = hat[IDHash(id)];
514	while (he) {
515	if (id == he->h_id) return(he->h_name);
516	he = he->next;
517	}
518	return 0;
519	}