[moira.git] / incremental / afs.c

/* $Header$
 *
 * Do AFS incremental updates
 *
 * Copyright (C) 1989,1992 by the Massachusetts Institute of Technology
 * for copying and distribution information, please see the file
 * <mit-copyright.h>.
 */

#include <stdio.h>
#include <sys/types.h>
#include <sys/file.h>
#include <strings.h>

#include <krb.h>
#include <moira.h>
#include <moira_site.h>

#include <afs/param.h>
#include <afs/cellconfig.h>
#include <afs/venus.h>
#include <afs/ptclient.h>
#include <afs/pterror.h>

#define STOP_FILE "/moira/afs/noafs"
#define file_exists(file) (access((file), F_OK) == 0)

#if defined(vax) && !defined(__STDC__)
#define volatile
#endif

char *whoami;

/* Main stub routines */
int do_user();
int do_list();
int do_member();
int do_filesys();
int do_quota();

/* Support stub routines */
int run_cmd();
int add_user_lists();
int get_members();
int check_user();
int edit_group();
int pr_try();
int check_afs();

/* libprot.a routines */
extern long pr_Initialize();
extern long pr_CreateUser();
extern long pr_CreateGroup();
extern long pr_DeleteByID();
extern long pr_ChangeEntry();
extern long pr_SetFieldsEntry();
extern long pr_AddToGroup();
extern long pr_RemoveUserFromGroup();

static char tbl_buf[1024];

main(argc, argv)
char **argv;
int argc;
{
    int beforec, afterc, i;
    char *table, **before, **after;

    for (i = getdtablesize() - 1; i > 2; i--)
      close(i);

    table = argv[1];
    beforec = atoi(argv[2]);
    before = &argv[4];
    afterc = atoi(argv[3]);
    after = &argv[4 + beforec];
    whoami = argv[0];

    setlinebuf(stdout);

    strcpy(tbl_buf, table);
    strcat(tbl_buf, " (");
    for (i = 0; i < beforec; i++) {
	if (i > 0)
	  strcat(tbl_buf, ",");
	strcat(tbl_buf, before[i]);
    }
    strcat(tbl_buf, ")->(");
    for (i = 0; i < afterc; i++) {
	if (i > 0)
	  strcat(tbl_buf, ",");
	strcat(tbl_buf, after[i]);
    }
    strcat(tbl_buf, ")");
#ifdef DEBUG
    printf("%s\n", tbl_buf);
#endif

    initialize_sms_error_table();
    initialize_krb_error_table();

    if (!strcmp(table, "users")) {
	do_user(before, beforec, after, afterc);
    } else if (!strcmp(table, "list")) {
	do_list(before, beforec, after, afterc);
    } else if (!strcmp(table, "members")) {
	do_member(before, beforec, after, afterc);
    } else if (!strcmp(table, "filesys")) {
	do_filesys(before, beforec, after, afterc);
    } else if (!strcmp(table, "quota")) {
	do_quota(before, beforec, after, afterc);
    }
    exit(0);
}


do_user(before, beforec, after, afterc)
char **before;
int beforec;
char **after;
int afterc;
{
    int astate, bstate, auid, buid, code;
    char *av[2];

    auid = buid = astate = bstate = 0;
    if (afterc > U_STATE) astate = atoi(after[U_STATE]);
    if (beforec > U_STATE) bstate = atoi(before[U_STATE]);
    if (afterc > U_UID) auid = atoi(after[U_UID]);
    if (beforec > U_UID) buid = atoi(before[U_UID]);

    /* We consider "half-registered" users to be active */
    if (astate == 2) astate = 1;
    if (bstate == 2) bstate = 1;

    if (astate != 1 && bstate != 1)		/* inactive user */
	return;

    if (astate == bstate && auid == buid && 
	!strcmp(before[U_NAME], after[U_NAME]))
	/* No AFS related attributes have changed */
	return;

    if (astate == bstate) {
	/* Only a modify has to be done */
	code = pr_try(pr_ChangeEntry, before[U_NAME], after[U_NAME], auid, "");
	if (code) {
	    critical_alert("incremental",
			   "Couldn't change user %s (id %d) to %s (id %d): %s",
			   before[U_NAME], buid, after[U_NAME], auid,
			   error_message(code));
	}
	return;
    }
    if (bstate == 1) {
	code = pr_try(pr_DeleteByID, buid);
	if (code && code != PRNOENT) {
	    critical_alert("incremental",
			   "Couldn't delete user %s (id %d): %s",
			   before[U_NAME], buid, error_message(code));
	}
	return;
    }
    if (astate == 1) {
	code = pr_try(pr_CreateUser, after[U_NAME], &auid);
	if (code) {
	    critical_alert("incremental",
			   "Couldn't create user %s (id %d): %s",
			   after[U_NAME], auid, error_message(code));
	    return;
	}

	if (bstate != 0) {
	    /* Reactivating a user; get his group list */
	    code = moira_connect();
	    if (code) {
		critical_alert("incremental",
			       "Error contacting Moira server to retrieve grouplist of user %s: %s",
			       after[U_NAME], error_message(code));
		return;
	    }
	    av[0] = "ruser";
	    av[1] = after[U_NAME];
	    code = mr_query("get_lists_of_member", 2, av,
			    add_user_lists, after[U_NAME]);
	    if (code && code != MR_NO_MATCH)
		critical_alert("incremental",
			       "Couldn't retrieve membership of user %s: %s",
			       after[U_NAME], error_message(code));
	    moira_disconnect();
	}
	return;
    }
}


do_list(before, beforec, after, afterc)
char **before;
int beforec;
char **after;
int afterc;
{
    register int agid, bgid;
    int ahide, bhide;
    long code, id;
    char g1[PR_MAXNAMELEN], g2[PR_MAXNAMELEN];
    char *av[2];

    agid = bgid = 0;
    if (beforec > L_GID && atoi(before[L_ACTIVE]) && atoi(before[L_GROUP])) {
	bgid = atoi(before[L_GID]);
	bhide = atoi(before[L_HIDDEN]);
    }
    if (afterc > L_GID && atoi(after[L_ACTIVE]) && atoi(after[L_GROUP])) {
	agid = atoi(after[L_GID]);
	ahide = atoi(after[L_HIDDEN]);
    }

    if (agid == 0 && bgid == 0)			/* Not active groups */
	return;

    if (agid && bgid) {
	if (strcmp(after[L_NAME], before[L_NAME])) {
	    /* Only a modify is required */
	    strcpy(g1, "system:");
	    strcpy(g2, "system:");
	    strcat(g1, before[L_NAME]);
	    strcat(g2, after[L_NAME]);
	    code = pr_try(pr_ChangeEntry, g1, g2, -agid, "");
	    if (code) {
		critical_alert("incremental",
			       "Couldn't change group %s (id %d) to %s (id %d): %s",
			       before[L_NAME], -bgid, after[L_NAME], -agid,
			       error_message(code));
	    }
	}
	if (ahide != bhide) {
	    code = pr_try(pr_SetFieldsEntry, -agid, PR_SF_ALLBITS,
			  (ahide ? PRP_STATUS_ANY : PRP_GROUP_DEFAULT) >>PRIVATE_SHIFT,
			  0 /*ngroups*/, 0 /*nusers*/);
	    if (code) {
		critical_alert("incremental",
			       "Couldn't set flags of group %s: %s",
			       after[L_NAME], error_message(code));
	    }
	}
	return;
    }
    if (bgid) {
	code = pr_try(pr_DeleteByID, -bgid);
	if (code && code != PRNOENT) {
	    critical_alert("incremental",
			   "Couldn't delete group %s (id %d): %s",
			   before[L_NAME], -bgid, error_message(code));
	}
	return;
    }
    if (agid) {
	strcpy(g1, "system:");
	strcat(g1, after[L_NAME]);
	strcpy(g2, "system:administrators");
	id = -agid;
	code = pr_try(pr_CreateGroup, g1, g2, &id);
	if (code) {
	    critical_alert("incremental",
			   "Couldn't create group %s (id %d): %s",
			   after[L_NAME], id, error_message(code));
	    return;
	}
	if (ahide) {
	    code = pr_try(pr_SetFieldsEntry, -agid, PR_SF_ALLBITS,
			  (ahide ? PRP_STATUS_ANY : PRP_GROUP_DEFAULT) >>PRIVATE_SHIFT,
			  0 /*ngroups*/, 0 /*nusers*/);
	    if (code) {
		critical_alert("incremental",
			       "Couldn't set flags of group %s: %s",
			       after[L_NAME], error_message(code));
	    }
	}

	/* We need to make sure the group is properly populated */
	if (beforec < L_ACTIVE) return;

	code = moira_connect();
	if (code) {
	    critical_alert("incremental",
			   "Error contacting Moira server to resolve %s: %s",
			   after[L_NAME], error_message(code));
	    return;
	}
	av[0] = "LIST";
	av[1] = after[L_NAME];
	get_members(2, av, after[L_NAME]);

	moira_disconnect();
	return;
    }
}


do_member(before, beforec, after, afterc)
char **before;
int beforec;
char **after;
int afterc;
{
    int code;
    char *p;
    
    if ((beforec < 4 || !atoi(before[LM_END])) &&
	(afterc < 4 || !atoi(after[LM_END])))
	return;

    if (afterc) 
	edit_group(1, after[LM_LIST], after[LM_TYPE], after[LM_MEMBER]);
    if (beforec)
	edit_group(0, before[LM_LIST], before[LM_TYPE], before[LM_MEMBER]);
}


do_filesys(before, beforec, after, afterc)
char **before;
int beforec;
char **after;
int afterc;
{
    char cmd[1024];
    int acreate, atype, btype;

    if (afterc < FS_CREATE) {
	atype = acreate = 0;
    } else {
	atype = !strcmp(after[FS_TYPE], "AFS");
	acreate = atoi(after[FS_CREATE]);
    }

    if (beforec < FS_CREATE) {
	if (acreate == 0 || atype == 0) return;

	/* new locker creation */
	sprintf(cmd, "%s/perl -I%s %s/afs_create.pl %s %s %s %s %s %s",
		BIN_DIR, BIN_DIR, BIN_DIR,
		after[FS_NAME], after[FS_L_TYPE], after[FS_MACHINE],
		after[FS_PACK], after[FS_OWNER], after[FS_OWNERS]);
	run_cmd(cmd);
	return;
    }
    
    btype = !strcmp(before[FS_TYPE], "AFS");
    if (afterc < FS_CREATE) {
	if (btype)
	    critical_alert("incremental",
			   "Cannot delete AFS filesystem %s: Operation not supported",
			   before[FS_NAME]);
	return;
    }

    if (!acreate)
	return;

    /* Are we dealing with AFS lockers (could be type ERR lockers) */
    if (!atype && !btype)
	if (strcmp(before[FS_TYPE], "ERR") || strcmp(after[FS_TYPE], "ERR"))
	    return;
						    
    /* By now, we know we are simply changing AFS filesystem attributes.
     * Operations supported:
     *    Name change:  rename/remount
     *    Path change:  remount
     *    Type change:  ERR<-->AFS
     */

#if 0
    if (strcmp(before[FS_OWNER], after[FS_OWNER]) ||
	strcmp(before[FS_OWNERS], after[FS_OWNERS]))
    {
	critical_alert("incremental",
		       "Cannot change ownership of filesystem %s: Operation not yet supported",
		       after[FS_NAME]);
    }
#endif

    sprintf(cmd, "%s/perl -I%s %s/afs_rename.pl %s %s %s %s %s %s %s %s %s %s",
	    BIN_DIR, BIN_DIR, BIN_DIR,
	    before[FS_NAME], before[FS_MACHINE], before[FS_TYPE],
	    before[FS_L_TYPE], before[FS_PACK],
	    after[FS_NAME], after[FS_MACHINE], after[FS_TYPE],
	    after[FS_L_TYPE], after[FS_PACK]);
    run_cmd(cmd);
}


do_quota(before, beforec, after, afterc)
char **before;
int beforec;
char **after;
int afterc;
{
    char cmd[1024];

    if (afterc < Q_DIRECTORY || strcmp("ANY", after[Q_TYPE]) ||
	strncmp("/afs/", after[Q_DIRECTORY], 5))
	return;

    sprintf(cmd, "%s/perl -I%s %s/afs_quota.pl %s %s",
	    BIN_DIR, BIN_DIR, BIN_DIR,
	    after[Q_DIRECTORY], after[Q_QUOTA]);
    run_cmd(cmd);
    return;
}


run_cmd(cmd)
char *cmd;
{
    int success=0, tries=0;

    check_afs();
    
    while (success == 0 && tries < 2) {
	if (tries++)
	    sleep(90);
	com_err(whoami, 0, "Executing command: %s", cmd);
	if (system(cmd) == 0)
	    success++;
    }
    if (!success)
	critical_alert("incremental", "failed command: %s", cmd);
}


add_user_lists(ac, av, user)
    int ac;
    char *av[];
    char *user;
{
    if (atoi(av[5]))
	edit_group(1, av[0], "USER", user);
}


get_members(ac, av, group)
    int ac;
    char *av[];
    char *group;
{
    int code=0;

    if (strcmp(av[0], "LIST")) {
	edit_group(1, group, av[0], av[1]);
    } else {
	code = mr_query("get_end_members_of_list", 1, &av[1],
			get_members, group);
	if (code)
	    critical_alert("incremental",
			   "Couldn't retrieve full membership of %s: %s",
			   group, error_message(code));
    }
    return code;
}


check_user(ac, av, ustate)
    int ac;
    char *av[];
    int *ustate;
{
    *ustate = atoi(av[6]);
}


edit_group(op, group, type, member)
    int op;
    char *group;
    char *type;
    char *member;
{
    char *p = 0;
    char buf[PR_MAXNAMELEN];
    int code, ustate;
    static char local_realm[REALM_SZ+1] = "";

    /* The following KERBEROS code allows for the use of entities
     * user@foreign_cell.
     */
    if (!local_realm[0])
	krb_get_lrealm(local_realm, 1);
    if (!strcmp(type, "KERBEROS")) {
	p = index(member, '@');
	if (p && !strcasecmp(p+1, local_realm))
	    *p = 0;
    } else if (strcmp(type, "USER"))
	return;					/* invalid type */

    strcpy(buf, "system:");
    strcat(buf, group);
    code=pr_try(op ? pr_AddToGroup : pr_RemoveUserFromGroup, member, buf);
    if (code) {
	if (op==1 && code == PRIDEXIST) return;	/* Already added */

	if (code == PRNOENT) {			/* Something is missing */
	    if (op==0) return;			/* Already deleted */
	    if (!strcmp(type, "KERBEROS"))	/* Special instances; ok */
		return;

	    /* Check whether the member being added is an active user */
	    code = moira_connect();
	    if (!code) code = mr_query("get_user_by_login", 1, &member,
				       check_user, &ustate);
	    if (code) {
		critical_alert("incremental",
			       "Error contacting Moira server to lookup user %s: %s",
			       member, error_message(code));
	    }
	    moira_disconnect();
	    if (!code && ustate!=1 && ustate!=2) return; /* inactive user */
	}

	critical_alert("incremental",
		       "Couldn't %s %s %s %s: %s",
		       op ? "add" : "remove", member,
		       op ? "to" : "from", buf,
		       error_message(code));
    }
}


long pr_try(fn, a1, a2, a3, a4, a5, a6, a7, a8)
    long (*fn)();
    char *a1, *a2, *a3, *a4, *a5, *a6, *a7, *a8;
{
    static int initd=0;
    volatile register long code;
    register int tries = 0;
#ifdef DEBUG
    char fname[64];
#endif

    check_afs();
    
    if (!initd) {
	code=pr_Initialize(1, AFSCONF_CLIENTNAME, 0);
	if (code) {
	    critical_alert("incremental", "Couldn't initialize libprot: %s",
			   error_message(code));
	    return;
	}
	initd = 1;
    }
    sleep(1);					/* give ptserver room */

    while (code = (*fn)(a1, a2, a3, a4, a5, a6, a7, a8)) {
#ifdef DEBUG
	long t;
	t = time(0);
	if (fn == pr_AddToGroup) strcpy(fname, "pr_AddToGroup");
	else if (fn == pr_RemoveUserFromGroup)
	    strcpy(fname, "pr_RemoveUserFromGroup");
	else if (fn == pr_CreateUser) strcpy(fname, "pr_CreateUser");
	else if (fn == pr_CreateGroup) strcpy(fname, "pr_CreateGroup");
	else if (fn == pr_DeleteByID) strcpy(fname, "pr_DeleteByID");
	else if (fn == pr_ChangeEntry) strcpy(fname, "pr_ChangeEntry");
	else if (fn == pr_SetFieldsEntry) strcpy(fname, "pr_SetFieldsEntry");
	else if (fn == pr_AddToGroup) strcpy(fname, "pr_AddToGroup");
	else
	    sprintf(fname, "pr_??? (0x%08x)", (long)fn);

	com_err(whoami, code, "- %s failed (try %d @%u)", fname, tries+1, t);
#endif
	if (++tries > 2) break;		/* 3 tries */
	
	if (code == UNOQUORUM) sleep(90);
	else sleep(15);

	/* Re-initialize the prdb connection */
    	code=pr_Initialize(0, AFSCONF_CLIENTNAME, 0);
    	if (!code) code=pr_Initialize(1, AFSCONF_CLIENTNAME, 0);
	if (code) {
	    critical_alert("incremental", "Couldn't re-initialize libprot: %s",
			   error_message(code));
	    initd = 0;				/* we lost */
	    break;
	}
    }
    return code;
}


check_afs()
{
    int i;
    
    for (i=0; file_exists(STOP_FILE); i++) {
	if (i > 30) {
	    critical_alert("incremental",
			   "AFS incremental failed (%s exists): %s",
			   STOP_FILE, tbl_buf);
	    exit(1);
	}
	sleep(60);
    }
}


static int mr_connections=0;

moira_connect()
{
    static char hostname[64];
    long code;

    if (!mr_connections++) {
	gethostname(hostname, sizeof(hostname));
	code = mr_connect(hostname);
	if (!code) code = mr_auth("afs.incr");
	return code;    
    }
    return 0;
}

moira_disconnect()
{
    if (!--mr_connections) {
	mr_disconnect();
    }
    return 0;
}
Commit	Line	Data
fb8809f4	1	/* $Header$
	2	*
	3	* Do AFS incremental updates
	4	*
60c22e5f	5	* Copyright (C) 1989,1992 by the Massachusetts Institute of Technology
fb8809f4	6	* for copying and distribution information, please see the file
	7	* <mit-copyright.h>.
	8	*/
	9
16838ad1	10	#include <stdio.h>
60c22e5f	11	#include <sys/types.h>
	12	#include <sys/file.h>
	13	#include <strings.h>
	14
d1be2e3a	15	#include <krb.h>
2ce085d2	16	#include <moira.h>
2ce085d2	17	#include <moira_site.h>
f633445d	18
60c22e5f	19	#include <afs/param.h>
	20	#include <afs/cellconfig.h>
	21	#include <afs/venus.h>
	22	#include <afs/ptclient.h>
	23	#include <afs/pterror.h>
fb8809f4	24
d1be2e3a	25	#define STOP_FILE "/moira/afs/noafs"
60c22e5f	26	#define file_exists(file) (access((file), F_OK) == 0)
fb8809f4	27
16838ad1	28	#if defined(vax) && !defined(__STDC__)
	29	#define volatile
	30	#endif
	31
fb8809f4	32	char *whoami;
fb8809f4	33
eb63ae5f	34	/* Main stub routines */
	35	int do_user();
	36	int do_list();
	37	int do_member();
	38	int do_filesys();
	39	int do_quota();
	40
	41	/* Support stub routines */
	42	int run_cmd();
	43	int add_user_lists();
	44	int get_members();
c69d9f2c	45	int check_user();
eb63ae5f	46	int edit_group();
	47	int pr_try();
	48	int check_afs();
	49
	50	/* libprot.a routines */
	51	extern long pr_Initialize();
	52	extern long pr_CreateUser();
	53	extern long pr_CreateGroup();
	54	extern long pr_DeleteByID();
	55	extern long pr_ChangeEntry();
	56	extern long pr_SetFieldsEntry();
	57	extern long pr_AddToGroup();
	58	extern long pr_RemoveUserFromGroup();
	59
	60	static char tbl_buf[1024];
	61
fb8809f4	62	main(argc, argv)
	63	char **argv;
	64	int argc;
	65	{
a7fdf2de	66	int beforec, afterc, i;
fb8809f4	67	char table, before, *after;
fb8809f4	68
a7fdf2de	69	for (i = getdtablesize() - 1; i > 2; i--)
	70	close(i);
	71
fb8809f4	72	table = argv[1];
	73	beforec = atoi(argv[2]);
	74	before = &argv[4];
	75	afterc = atoi(argv[3]);
	76	after = &argv[4 + beforec];
48c9cd1f	77	whoami = argv[0];
f10e3ca2	78
eb63ae5f	79	setlinebuf(stdout);
	80
	81	strcpy(tbl_buf, table);
	82	strcat(tbl_buf, " (");
810d12a7	83	for (i = 0; i < beforec; i++) {
810d12a7	84	if (i > 0)
eb63ae5f	85	strcat(tbl_buf, ",");
eb63ae5f	86	strcat(tbl_buf, before[i]);
810d12a7	87	}
eb63ae5f	88	strcat(tbl_buf, ")->(");
810d12a7	89	for (i = 0; i < afterc; i++) {
810d12a7	90	if (i > 0)
eb63ae5f	91	strcat(tbl_buf, ",");
eb63ae5f	92	strcat(tbl_buf, after[i]);
810d12a7	93	}
eb63ae5f	94	strcat(tbl_buf, ")");
d1be2e3a	95	#ifdef DEBUG
eb63ae5f	96	printf("%s\n", tbl_buf);
810d12a7	97	#endif
810d12a7	98
fb8809f4	99	initialize_sms_error_table();
	100	initialize_krb_error_table();
	101
	102	if (!strcmp(table, "users")) {
	103	do_user(before, beforec, after, afterc);
	104	} else if (!strcmp(table, "list")) {
	105	do_list(before, beforec, after, afterc);
	106	} else if (!strcmp(table, "members")) {
	107	do_member(before, beforec, after, afterc);
	108	} else if (!strcmp(table, "filesys")) {
	109	do_filesys(before, beforec, after, afterc);
1f377b55	110	} else if (!strcmp(table, "quota")) {
fb8809f4	111	do_quota(before, beforec, after, afterc);
fb8809f4	112	}
fb8809f4	113	exit(0);
	114	}
	115
	116
fb8809f4	117	do_user(before, beforec, after, afterc)
	118	char **before;
	119	int beforec;
	120	char **after;
	121	int afterc;
	122	{
eb63ae5f	123	int astate, bstate, auid, buid, code;
9b273918	124	char *av[2];
60c22e5f	125
	126	auid = buid = astate = bstate = 0;
	127	if (afterc > U_STATE) astate = atoi(after[U_STATE]);
	128	if (beforec > U_STATE) bstate = atoi(before[U_STATE]);
	129	if (afterc > U_UID) auid = atoi(after[U_UID]);
	130	if (beforec > U_UID) buid = atoi(before[U_UID]);
	131
	132	/* We consider "half-registered" users to be active */
810d12a7	133	if (astate == 2) astate = 1;
810d12a7	134	if (bstate == 2) bstate = 1;
fb8809f4	135
60c22e5f	136	if (astate != 1 && bstate != 1) /* inactive user */
fb8809f4	137	return;
60c22e5f	138
	139	if (astate == bstate && auid == buid &&
	140	!strcmp(before[U_NAME], after[U_NAME]))
	141	/* No AFS related attributes have changed */
fb8809f4	142	return;
fb8809f4	143
60c22e5f	144	if (astate == bstate) {
60c22e5f	145	/* Only a modify has to be done */
eb63ae5f	146	code = pr_try(pr_ChangeEntry, before[U_NAME], after[U_NAME], auid, "");
60c22e5f	147	if (code) {
	148	critical_alert("incremental",
	149	"Couldn't change user %s (id %d) to %s (id %d): %s",
	150	before[U_NAME], buid, after[U_NAME], auid,
	151	error_message(code));
	152	}
	153	return;
	154	}
	155	if (bstate == 1) {
eb63ae5f	156	code = pr_try(pr_DeleteByID, buid);
60c22e5f	157	if (code && code != PRNOENT) {
	158	critical_alert("incremental",
	159	"Couldn't delete user %s (id %d): %s",
	160	before[U_NAME], buid, error_message(code));
	161	}
	162	return;
	163	}
	164	if (astate == 1) {
eb63ae5f	165	code = pr_try(pr_CreateUser, after[U_NAME], &auid);
60c22e5f	166	if (code) {
	167	critical_alert("incremental",
	168	"Couldn't create user %s (id %d): %s",
	169	after[U_NAME], auid, error_message(code));
96786144	170	return;
60c22e5f	171	}
2dbcb756	172
0f82335a	173	if (bstate != 0) {
9b273918	174	/* Reactivating a user; get his group list */
14d69e25	175	code = moira_connect();
9b273918	176	if (code) {
	177	critical_alert("incremental",
	178	"Error contacting Moira server to retrieve grouplist of user %s: %s",
	179	after[U_NAME], error_message(code));
	180	return;
	181	}
2dbcb756	182	av[0] = "ruser";
9b273918	183	av[1] = after[U_NAME];
	184	code = mr_query("get_lists_of_member", 2, av,
	185	add_user_lists, after[U_NAME]);
b80d6d78	186	if (code && code != MR_NO_MATCH)
9b273918	187	critical_alert("incremental",
	188	"Couldn't retrieve membership of user %s: %s",
	189	after[U_NAME], error_message(code));
14d69e25	190	moira_disconnect();
9b273918	191	}
60c22e5f	192	return;
fb8809f4	193	}
	194	}
	195
	196
fb8809f4	197	do_list(before, beforec, after, afterc)
	198	char **before;
	199	int beforec;
	200	char **after;
	201	int afterc;
	202	{
8ec23c21	203	register int agid, bgid;
eb63ae5f	204	int ahide, bhide;
60c22e5f	205	long code, id;
60c22e5f	206	char g1[PR_MAXNAMELEN], g2[PR_MAXNAMELEN];
ed9a5300	207	char *av[2];
fb8809f4	208
60c22e5f	209	agid = bgid = 0;
8ec23c21	210	if (beforec > L_GID && atoi(before[L_ACTIVE]) && atoi(before[L_GROUP])) {
60c22e5f	211	bgid = atoi(before[L_GID]);
8ec23c21	212	bhide = atoi(before[L_HIDDEN]);
	213	}
	214	if (afterc > L_GID && atoi(after[L_ACTIVE]) && atoi(after[L_GROUP])) {
60c22e5f	215	agid = atoi(after[L_GID]);
8ec23c21	216	ahide = atoi(after[L_HIDDEN]);
8ec23c21	217	}
fb8809f4	218
60c22e5f	219	if (agid == 0 && bgid == 0) /* Not active groups */
60c22e5f	220	return;
60c22e5f	221
60c22e5f	222	if (agid && bgid) {
8ec23c21	223	if (strcmp(after[L_NAME], before[L_NAME])) {
	224	/* Only a modify is required */
	225	strcpy(g1, "system:");
	226	strcpy(g2, "system:");
	227	strcat(g1, before[L_NAME]);
	228	strcat(g2, after[L_NAME]);
eb63ae5f	229	code = pr_try(pr_ChangeEntry, g1, g2, -agid, "");
8ec23c21	230	if (code) {
	231	critical_alert("incremental",
	232	"Couldn't change group %s (id %d) to %s (id %d): %s",
	233	before[L_NAME], -bgid, after[L_NAME], -agid,
	234	error_message(code));
	235	}
	236	}
	237	if (ahide != bhide) {
eb63ae5f	238	code = pr_try(pr_SetFieldsEntry, -agid, PR_SF_ALLBITS,
	239	(ahide ? PRP_STATUS_ANY : PRP_GROUP_DEFAULT) >>PRIVATE_SHIFT,
	240	0 /ngroups/, 0 /nusers/);
8ec23c21	241	if (code) {
	242	critical_alert("incremental",
	243	"Couldn't set flags of group %s: %s",
	244	after[L_NAME], error_message(code));
	245	}
60c22e5f	246	}
fb8809f4	247	return;
fb8809f4	248	}
60c22e5f	249	if (bgid) {
eb63ae5f	250	code = pr_try(pr_DeleteByID, -bgid);
60c22e5f	251	if (code && code != PRNOENT) {
	252	critical_alert("incremental",
	253	"Couldn't delete group %s (id %d): %s",
	254	before[L_NAME], -bgid, error_message(code));
	255	}
fb8809f4	256	return;
fb8809f4	257	}
60c22e5f	258	if (agid) {
	259	strcpy(g1, "system:");
	260	strcat(g1, after[L_NAME]);
	261	strcpy(g2, "system:administrators");
	262	id = -agid;
eb63ae5f	263	code = pr_try(pr_CreateGroup, g1, g2, &id);
60c22e5f	264	if (code) {
	265	critical_alert("incremental",
	266	"Couldn't create group %s (id %d): %s",
ed9a5300	267	after[L_NAME], id, error_message(code));
60c22e5f	268	return;
60c22e5f	269	}
8ec23c21	270	if (ahide) {
eb63ae5f	271	code = pr_try(pr_SetFieldsEntry, -agid, PR_SF_ALLBITS,
	272	(ahide ? PRP_STATUS_ANY : PRP_GROUP_DEFAULT) >>PRIVATE_SHIFT,
	273	0 /ngroups/, 0 /nusers/);
8ec23c21	274	if (code) {
	275	critical_alert("incremental",
	276	"Couldn't set flags of group %s: %s",
	277	after[L_NAME], error_message(code));
	278	}
	279	}
60c22e5f	280
60c22e5f	281	/* We need to make sure the group is properly populated */
c69d9f2c	282	if (beforec < L_ACTIVE) return;
60c22e5f	283
14d69e25	284	code = moira_connect();
ed9a5300	285	if (code) {
	286	critical_alert("incremental",
	287	"Error contacting Moira server to resolve %s: %s",
	288	after[L_NAME], error_message(code));
	289	return;
	290	}
	291	av[0] = "LIST";
	292	av[1] = after[L_NAME];
	293	get_members(2, av, after[L_NAME]);
	294
14d69e25	295	moira_disconnect();
ed9a5300	296	return;
60c22e5f	297	}
fb8809f4	298	}
	299
	300
	301	do_member(before, beforec, after, afterc)
	302	char **before;
	303	int beforec;
	304	char **after;
	305	int afterc;
	306	{
60c22e5f	307	int code;
	308	char *p;
	309
bd70a79d	310	if ((beforec < 4 \|\| !atoi(before[LM_END])) &&
bd70a79d	311	(afterc < 4 \|\| !atoi(after[LM_END])))
fb8809f4	312	return;
60c22e5f	313
ed9a5300	314	if (afterc)
	315	edit_group(1, after[LM_LIST], after[LM_TYPE], after[LM_MEMBER]);
	316	if (beforec)
e9f07a3b	317	edit_group(0, before[LM_LIST], before[LM_TYPE], before[LM_MEMBER]);
ed9a5300	318	}
	319
	320
eb63ae5f	321	do_filesys(before, beforec, after, afterc)
	322	char **before;
	323	int beforec;
	324	char **after;
	325	int afterc;
	326	{
	327	char cmd[1024];
89e513d9	328	int acreate, atype, btype;
	329
	330	if (afterc < FS_CREATE) {
	331	atype = acreate = 0;
	332	} else {
	333	atype = !strcmp(after[FS_TYPE], "AFS");
	334	acreate = atoi(after[FS_CREATE]);
	335	}
	336
eb63ae5f	337	if (beforec < FS_CREATE) {
89e513d9	338	if (acreate == 0 \|\| atype == 0) return;
eb63ae5f	339
	340	/* new locker creation */
	341	sprintf(cmd, "%s/perl -I%s %s/afs_create.pl %s %s %s %s %s %s",
	342	BIN_DIR, BIN_DIR, BIN_DIR,
	343	after[FS_NAME], after[FS_L_TYPE], after[FS_MACHINE],
	344	after[FS_PACK], after[FS_OWNER], after[FS_OWNERS]);
	345	run_cmd(cmd);
	346	return;
	347	}
89e513d9	348
89e513d9	349	btype = !strcmp(before[FS_TYPE], "AFS");
eb63ae5f	350	if (afterc < FS_CREATE) {
89e513d9	351	if (btype)
eb63ae5f	352	critical_alert("incremental",
3b1e9c5f	353	"Cannot delete AFS filesystem %s: Operation not supported",
eb63ae5f	354	before[FS_NAME]);
eb63ae5f	355	return;
eb63ae5f	356	}
3b1e9c5f	357
	358	if (!acreate)
	359	return;
	360
	361	/* Are we dealing with AFS lockers (could be type ERR lockers) */
	362	if (!atype && !btype)
	363	if (strcmp(before[FS_TYPE], "ERR") \|\| strcmp(after[FS_TYPE], "ERR"))
	364	return;
	365
	366	/* By now, we know we are simply changing AFS filesystem attributes.
	367	* Operations supported:
	368	* Name change: rename/remount
	369	* Path change: remount
	370	* Type change: ERR<-->AFS
	371	*/
0f82335a	372
0f82335a	373	#if 0
3b1e9c5f	374	if (strcmp(before[FS_OWNER], after[FS_OWNER]) \|\|
3ae9c0f3	375	strcmp(before[FS_OWNERS], after[FS_OWNERS]))
3b1e9c5f	376	{
	377	critical_alert("incremental",
	378	"Cannot change ownership of filesystem %s: Operation not yet supported",
	379	after[FS_NAME]);
	380	}
0f82335a	381	#endif
3b1e9c5f	382
	383	sprintf(cmd, "%s/perl -I%s %s/afs_rename.pl %s %s %s %s %s %s %s %s %s %s",
	384	BIN_DIR, BIN_DIR, BIN_DIR,
3ae9c0f3	385	before[FS_NAME], before[FS_MACHINE], before[FS_TYPE],
3b1e9c5f	386	before[FS_L_TYPE], before[FS_PACK],
3ae9c0f3	387	after[FS_NAME], after[FS_MACHINE], after[FS_TYPE],
3b1e9c5f	388	after[FS_L_TYPE], after[FS_PACK]);
3b1e9c5f	389	run_cmd(cmd);
eb63ae5f	390	}
	391
	392
	393	do_quota(before, beforec, after, afterc)
	394	char **before;
	395	int beforec;
	396	char **after;
	397	int afterc;
	398	{
	399	char cmd[1024];
	400
	401	if (afterc < Q_DIRECTORY \|\| strcmp("ANY", after[Q_TYPE]) \|\|
	402	strncmp("/afs/", after[Q_DIRECTORY], 5))
	403	return;
	404
	405	sprintf(cmd, "%s/perl -I%s %s/afs_quota.pl %s %s",
	406	BIN_DIR, BIN_DIR, BIN_DIR,
	407	after[Q_DIRECTORY], after[Q_QUOTA]);
	408	run_cmd(cmd);
	409	return;
	410	}
	411
	412
	413	run_cmd(cmd)
	414	char *cmd;
	415	{
	416	int success=0, tries=0;
	417
	418	check_afs();
	419
	420	while (success == 0 && tries < 2) {
	421	if (tries++)
	422	sleep(90);
	423	com_err(whoami, 0, "Executing command: %s", cmd);
	424	if (system(cmd) == 0)
	425	success++;
	426	}
	427	if (!success)
	428	critical_alert("incremental", "failed command: %s", cmd);
	429	}
	430
	431
	432	add_user_lists(ac, av, user)
	433	int ac;
	434	char *av[];
	435	char *user;
	436	{
	437	if (atoi(av[5]))
	438	edit_group(1, av[0], "USER", user);
	439	}
	440
	441
ed9a5300	442	get_members(ac, av, group)
	443	int ac;
	444	char *av[];
	445	char *group;
	446	{
	447	int code=0;
	448
	449	if (strcmp(av[0], "LIST")) {
ed9a5300	450	edit_group(1, group, av[0], av[1]);
ed9a5300	451	} else {
cdd40d28	452	code = mr_query("get_end_members_of_list", 1, &av[1],
cdd40d28	453	get_members, group);
ed9a5300	454	if (code)
	455	critical_alert("incremental",
	456	"Couldn't retrieve full membership of %s: %s",
	457	group, error_message(code));
	458	}
	459	return code;
	460	}
	461
	462
c69d9f2c	463	check_user(ac, av, ustate)
	464	int ac;
	465	char *av[];
	466	int *ustate;
	467	{
	468	*ustate = atoi(av[6]);
	469	}
	470
	471
ed9a5300	472	edit_group(op, group, type, member)
	473	int op;
	474	char *group;
	475	char *type;
	476	char *member;
	477	{
	478	char *p = 0;
	479	char buf[PR_MAXNAMELEN];
c69d9f2c	480	int code, ustate;
d1be2e3a	481	static char local_realm[REALM_SZ+1] = "";
ed9a5300	482
60c22e5f	483	/* The following KERBEROS code allows for the use of entities
	484	* user@foreign_cell.
	485	*/
d1be2e3a	486	if (!local_realm[0])
d1be2e3a	487	krb_get_lrealm(local_realm, 1);
ed9a5300	488	if (!strcmp(type, "KERBEROS")) {
ed9a5300	489	p = index(member, '@');
d1be2e3a	490	if (p && !strcasecmp(p+1, local_realm))
60c22e5f	491	*p = 0;
ed9a5300	492	} else if (strcmp(type, "USER"))
ed9a5300	493	return; /* invalid type */
60c22e5f	494
ed9a5300	495	strcpy(buf, "system:");
ed9a5300	496	strcat(buf, group);
eb63ae5f	497	code=pr_try(op ? pr_AddToGroup : pr_RemoveUserFromGroup, member, buf);
ed9a5300	498	if (code) {
c69d9f2c	499	if (op==1 && code == PRIDEXIST) return; /* Already added */
	500
	501	if (code == PRNOENT) { /* Something is missing */
	502	if (op==0) return; /* Already deleted */
	503	if (!strcmp(type, "KERBEROS")) /* Special instances; ok */
	504	return;
	505
	506	/* Check whether the member being added is an active user */
14d69e25	507	code = moira_connect();
c69d9f2c	508	if (!code) code = mr_query("get_user_by_login", 1, &member,
	509	check_user, &ustate);
	510	if (code) {
	511	critical_alert("incremental",
	512	"Error contacting Moira server to lookup user %s: %s",
	513	member, error_message(code));
	514	}
14d69e25	515	moira_disconnect();
c69d9f2c	516	if (!code && ustate!=1 && ustate!=2) return; /* inactive user */
60c22e5f	517	}
c69d9f2c	518
	519	critical_alert("incremental",
	520	"Couldn't %s %s %s %s: %s",
	521	op ? "add" : "remove", member,
	522	op ? "to" : "from", buf,
	523	error_message(code));
57bc9f26	524	}
fb8809f4	525	}
	526
	527
eb63ae5f	528	long pr_try(fn, a1, a2, a3, a4, a5, a6, a7, a8)
	529	long (*fn)();
	530	char a1, a2, a3, a4, a5, a6, a7, a8;
fb8809f4	531	{
eb63ae5f	532	static int initd=0;
16838ad1	533	volatile register long code;
eb63ae5f	534	register int tries = 0;
	535	#ifdef DEBUG
	536	char fname[64];
	537	#endif
	538
	539	check_afs();
60c22e5f	540
eb63ae5f	541	if (!initd) {
	542	code=pr_Initialize(1, AFSCONF_CLIENTNAME, 0);
	543	if (code) {
	544	critical_alert("incremental", "Couldn't initialize libprot: %s",
	545	error_message(code));
60c22e5f	546	return;
eb63ae5f	547	}
eb63ae5f	548	initd = 1;
9b9540a1	549	}
16838ad1	550	sleep(1); /* give ptserver room */
9b9540a1	551
eb63ae5f	552	while (code = (*fn)(a1, a2, a3, a4, a5, a6, a7, a8)) {
	553	#ifdef DEBUG
	554	long t;
	555	t = time(0);
	556	if (fn == pr_AddToGroup) strcpy(fname, "pr_AddToGroup");
	557	else if (fn == pr_RemoveUserFromGroup)
	558	strcpy(fname, "pr_RemoveUserFromGroup");
	559	else if (fn == pr_CreateUser) strcpy(fname, "pr_CreateUser");
	560	else if (fn == pr_CreateGroup) strcpy(fname, "pr_CreateGroup");
	561	else if (fn == pr_DeleteByID) strcpy(fname, "pr_DeleteByID");
	562	else if (fn == pr_ChangeEntry) strcpy(fname, "pr_ChangeEntry");
	563	else if (fn == pr_SetFieldsEntry) strcpy(fname, "pr_SetFieldsEntry");
	564	else if (fn == pr_AddToGroup) strcpy(fname, "pr_AddToGroup");
16838ad1	565	else
eb63ae5f	566	sprintf(fname, "pr_??? (0x%08x)", (long)fn);
eb63ae5f	567
16838ad1	568	com_err(whoami, code, "- %s failed (try %d @%u)", fname, tries+1, t);
eb63ae5f	569	#endif
16838ad1	570	if (++tries > 2) break; /* 3 tries */
	571
	572	if (code == UNOQUORUM) sleep(90);
	573	else sleep(15);
	574
	575	/* Re-initialize the prdb connection */
	576	code=pr_Initialize(0, AFSCONF_CLIENTNAME, 0);
	577	if (!code) code=pr_Initialize(1, AFSCONF_CLIENTNAME, 0);
	578	if (code) {
	579	critical_alert("incremental", "Couldn't re-initialize libprot: %s",
	580	error_message(code));
	581	initd = 0; /* we lost */
	582	break;
	583	}
9b9540a1	584	}
eb63ae5f	585	return code;
fb8809f4	586	}
	587
	588
eb63ae5f	589	check_afs()
fb8809f4	590	{
eb63ae5f	591	int i;
	592
	593	for (i=0; file_exists(STOP_FILE); i++) {
	594	if (i > 30) {
	595	critical_alert("incremental",
	596	"AFS incremental failed (%s exists): %s",
	597	STOP_FILE, tbl_buf);
	598	exit(1);
	599	}
	600	sleep(60);
	601	}
fb8809f4	602	}
14d69e25	603
	604
	605	static int mr_connections=0;
	606
	607	moira_connect()
	608	{
	609	static char hostname[64];
	610	long code;
	611
	612	if (!mr_connections++) {
	613	gethostname(hostname, sizeof(hostname));
	614	code = mr_connect(hostname);
	615	if (!code) code = mr_auth("afs.incr");
	616	return code;
	617	}
	618	return 0;
	619	}
	620
	621	moira_disconnect()
	622	{
	623	if (!--mr_connections) {
	624	mr_disconnect();
	625	}
	626	return 0;
	627	}