+++ /dev/null
-/*
- * $Source$
- * $Author$
- * $Header$
- *
- * Copyright (C) 1987 by the Massachusetts Institute of Technology
- * For copying and distribution information, please see the file
- * <mit-copyright.h>.
- *
- */
-
-#ifndef lint
-static char *rcsid_qsupport_dc = "$Header$";
-#endif lint
-
-#include <mit-copyright.h>
-#include "mr_server.h"
-#include "query.h"
-#include <ctype.h>
-EXEC SQL INCLUDE sqlca;
-#include "qrtn.h"
-
-extern char *whoami;
-extern int dbms_errno, mr_errcode;
-
-EXEC SQL BEGIN DECLARE SECTION;
-extern char stmt_buf[];
-EXEC SQL END DECLARE SECTION;
-
-EXEC SQL WHENEVER SQLERROR DO dbmserr();
-
-
-/* Specialized Access Routines */
-
-/* access_user - verify that client name equals specified login name
- *
- * - since field validation routines are called first, a users_id is
- * now in argv[0] instead of the login name.
- */
-
-int access_user(q, argv, cl)
- struct query *q;
- char *argv[];
- client *cl;
-{
- if (cl->users_id != *(int *)argv[0])
- return(MR_PERM);
- else
- return(MR_SUCCESS);
-}
-
-
-
-/* access_login - verify that client name equals specified login name
- *
- * argv[0...n] contain search info. q->
- */
-
-int access_login(q, argv, cl)
- struct query *q;
- char *argv[];
- client *cl;
-{
- EXEC SQL BEGIN DECLARE SECTION;
- int id;
- EXEC SQL END DECLARE SECTION;
-
- if(q->argc != 1) return MR_ARGS;
-
- if(!strcmp(q->shortname, "gual")) {
- EXEC SQL SELECT users_id INTO :id FROM users u, strings str
- WHERE u.login LIKE :argv[0] AND u.users_id != 0
- AND u.comments = str.string_id;
- } else if (!strcmp(q->shortname, "gubl")) {
- EXEC SQL SELECT users_id INTO :id FROM users u
- WHERE u.login LIKE :argv[0] AND u.users_id != 0;
- } else if (!strcmp(q->shortname, "guau")) {
- EXEC SQL SELECT users_id INTO :id FROM users u, strings str
- WHERE u.unix_uid = :argv[0] AND u.users_id != 0
- AND u.comments = str.string_id;
- } else if(!strcmp(q->shortname, "gubu")) {
- EXEC SQL SELECT users_id INTO :id FROM users u
- WHERE u.unix_uid = :argv[0] AND u.users_id != 0;
- }
-
- if (sqlca.sqlerrd[2] != 1 || id != cl->users_id)
- return(MR_PERM);
- else
- return(MR_SUCCESS);
-}
-
-
-
-/* access_list - check access for most list operations
- *
- * Inputs: argv[0] - list_id
- * q - query name
- * argv[2] - member ID (only for queries "amtl" and "dmfl")
- * argv[7] - group IID (only for query "ulis")
- * cl - client name
- *
- * - check that client is a member of the access control list
- * - OR, if the query is add_member_to_list or delete_member_from_list
- * and the list is public, allow access if client = member
- */
-
-int access_list(q, argv, cl)
- struct query *q;
- char *argv[];
- client *cl;
-{
- EXEC SQL BEGIN DECLARE SECTION;
- int list_id, acl_id, flags, gid;
- char acl_type[9];
- EXEC SQL END DECLARE SECTION;
- char *client_type;
- int client_id, status;
-
- list_id = *(int *)argv[0];
- EXEC SQL SELECT acl_id, acl_type, gid, publicflg
- INTO :acl_id, :acl_type, :gid, :flags
- FROM list
- WHERE list_id = :list_id;
-
- if (sqlca.sqlerrd[2] != 1)
- return(MR_INTERNAL);
-
- /* parse client structure */
- if ((status = get_client(cl, &client_type, &client_id)) != MR_SUCCESS)
- return(status);
-
- /* if amtl or dmfl and list is public allow client to add or delete self */
- if (((!strcmp("amtl", q->shortname) && flags) ||
- (!strcmp("dmfl", q->shortname))) &&
- (!strcmp("USER", argv[1]))) {
- if (*(int *)argv[2] == client_id) return(MR_SUCCESS);
- /* if update_list, don't allow them to change the GID */
- } else if (!strcmp("ulis", q->shortname)) {
- if (!strcmp(argv[7], UNIQUE_GID)) {
- if(gid != -1) return MR_PERM;
- } else {
- if(gid != atoi(argv[7])) return MR_PERM;
- }
- }
-
- /* check for client in access control list */
- status = find_member(acl_type, acl_id, client_type, client_id);
- if (!status) return(MR_PERM);
-
- return(MR_SUCCESS);
-}
-
-
-/* access_visible_list - allow access to list only if it is not hidden,
- * or if the client is on the ACL
- *
- * Inputs: argv[0] - list_id
- * cl - client identifier
- */
-
-int access_visible_list(q, argv, cl)
- struct query *q;
- char *argv[];
- client *cl;
-{
- EXEC SQL BEGIN DECLARE SECTION;
- int list_id, acl_id, flags ;
- char acl_type[9];
- EXEC SQL END DECLARE SECTION;
- char *client_type;
- int client_id, status;
-
- list_id = *(int *)argv[0];
- EXEC SQL SELECT hidden, acl_id, acl_type
- INTO :flags, :acl_id, :acl_type
- FROM list
- WHERE list_id = :list_id;
- if (sqlca.sqlerrd[2] != 1)
- return(MR_INTERNAL);
- if (!flags)
- return(MR_SUCCESS);
-
- /* parse client structure */
- if ((status = get_client(cl, &client_type, &client_id)) != MR_SUCCESS)
- return(status);
-
- /* check for client in access control list */
- status = find_member(acl_type, acl_id, client_type, client_id);
- if (!status)
- return(MR_PERM);
-
- return(MR_SUCCESS);
-}
-
-
-/* access_vis_list_by_name - allow access to list only if it is not hidden,
- * or if the client is on the ACL
- *
- * Inputs: argv[0] - list name
- * cl - client identifier
- */
-
-int access_vis_list_by_name(q, argv, cl)
- struct query *q;
- char *argv[];
- client *cl;
-{
- EXEC SQL BEGIN DECLARE SECTION;
- int acl_id, flags, rowcount;
- char acl_type[9], *listname;
- EXEC SQL END DECLARE SECTION;
- char *client_type;
- int client_id, status;
-
- listname = argv[0];
- EXEC SQL SELECT hidden, acl_id, acl_type INTO :flags, :acl_id, :acl_type
- FROM list WHERE name = :listname;
-
- rowcount=sqlca.sqlerrd[2];
- if (rowcount > 1)
- return(MR_WILDCARD);
- if (rowcount == 0)
- return(MR_NO_MATCH);
- if (!flags)
- return(MR_SUCCESS);
-
- /* parse client structure */
- if ((status = get_client(cl, &client_type, &client_id)) != MR_SUCCESS)
- return(status);
-
- /* check for client in access control list */
- status = find_member(acl_type, acl_id, client_type, client_id);
- if (!status)
- return(MR_PERM);
-
- return(MR_SUCCESS);
-}
-
-
-/* access_member - allow user to access member of type "USER" and name matches
- * username, or to access member of type "LIST" and list is one that user is
- * on the acl of, or the list is visible.
- */
-
-int access_member(q, argv, cl)
- struct query *q;
- char *argv[];
- client *cl;
-{
- if (!strcmp(argv[0], "LIST") || !strcmp(argv[0], "RLIST"))
- return(access_visible_list(q, &argv[1], cl));
-
- if (!strcmp(argv[0], "USER") || !strcmp(argv[0], "RUSER")) {
- if (cl->users_id == *(int *)argv[1])
- return(MR_SUCCESS);
- }
-
- if (!strcmp(argv[0], "KERBEROS") || !strcmp(argv[0], "RKERBERO")) {
- if (cl->client_id == *(int *)argv[1])
- return(MR_SUCCESS);
- }
-
- return(MR_PERM);
-}
-
-
-/* access_qgli - special access routine for Qualified_get_lists. Allows
- * access iff argv[0] == "TRUE" and argv[2] == "FALSE".
- */
-
-int access_qgli(q, argv, cl)
- struct query *q;
- char *argv[];
- client *cl;
-{
- if (!strcmp(argv[0], "TRUE") && !strcmp(argv[2], "FALSE"))
- return(MR_SUCCESS);
- return(MR_PERM);
-}
-
-
-/* access_service - allow access if user is on ACL of service. Don't
- * allow access if a wildcard is used.
- */
-
-int access_service(q, argv, cl)
- struct query *q;
- char *argv[];
- client *cl;
-{
- EXEC SQL BEGIN DECLARE SECTION;
- int acl_id;
- char *name, acl_type[9];
- EXEC SQL END DECLARE SECTION;
- int client_id, status;
- char *client_type, *c;
-
- name = argv[0];
- for(c=name;*c;c++) if(islower(*c)) *c = toupper(*c); /* uppercasify */
- EXEC SQL SELECT acl_id, acl_type INTO :acl_id, :acl_type FROM servers
- WHERE name = :name;
- if (sqlca.sqlerrd[2] > 1)
- return(MR_PERM);
-
- /* parse client structure */
- if ((status = get_client(cl, &client_type, &client_id)) != MR_SUCCESS)
- return(status);
-
- /* check for client in access control list */
- status = find_member(acl_type, acl_id, client_type, client_id);
- if (!status) return(MR_PERM);
-
- return(MR_SUCCESS);
-}
-
-
-/* access_filesys - verify that client is owner or on owners list of filesystem
- * named by argv[0]
- */
-
-int access_filesys(q, argv, cl)
- struct query *q;
- char *argv[];
- client *cl;
-{
- EXEC SQL BEGIN DECLARE SECTION;
- int users_id, list_id;
- char *name;
- EXEC SQL END DECLARE SECTION;
- int status, client_id;
- char *client_type;
-
- name = argv[0];
- EXEC SQL SELECT owner, owners INTO :users_id, :list_id FROM filesys
- WHERE label = :name;
-
- if (sqlca.sqlerrd[2] != 1)
- return(MR_PERM);
- if (users_id == cl->users_id)
- return(MR_SUCCESS);
- if ((status = get_client(cl, &client_type, &client_id)) != MR_SUCCESS)
- return(status);
- status = find_member("LIST", list_id, client_type, client_id);
- if (status)
- return(MR_SUCCESS);
- else
- return(MR_PERM);
-}
-
-
-/* access_host - successful if owner of host, or subnet containing host
- */
-
-int host_access_level = 0; /* 1 for network, 2 for host */
-
-int access_host(q, argv, cl)
- struct query *q;
- char *argv[];
- client *cl;
-{
- EXEC SQL BEGIN DECLARE SECTION;
- int mid, sid, id;
- char mtype[9], stype[9];
- EXEC SQL END DECLARE SECTION;
- int status, client_id;
- char *client_type;
-
- if (q->type == APPEND) {
- id = *(int *)argv[8];
- EXEC SQL SELECT s.owner_type, s.owner_id
- INTO :stype, :sid FROM subnet s
- WHERE s.snet_id=:id;
- mid =0;
- } else if (q->type == RETRIEVE) {
- return(MR_SUCCESS);
- } else {
- id = *(int *)argv[0];
- EXEC SQL SELECT m.owner_type, m.owner_id, s.owner_type, s.owner_id
- INTO :mtype, :mid, :stype, :sid FROM machine m, subnet s
- WHERE m.mach_id=:id and s.snet_id=m.snet_id;
- }
- if (sqlca.sqlerrd[2] != 1)
- return(MR_PERM);
-
- if ((status = get_client(cl, &client_type, &client_id)) != MR_SUCCESS)
- return(status);
- status = find_member(stype, sid, client_type, client_id);
- if (status) {
- host_access_level = 1;
- return(MR_SUCCESS);
- }
- status = find_member(mtype, mid, client_type, client_id);
- if (status) {
- host_access_level = 2;
- return(MR_SUCCESS);
- } else
- return(MR_PERM);
-}
-
-
-/* access_ahal - check for adding a host alias.
- * successful if host has less then 2 aliases and (client is owner of
- * host or subnet).
- * If deleting an alias, any owner will do.
- */
-
-int access_ahal(q, argv, cl)
- struct query *q;
- char *argv[];
- client *cl;
-{
- EXEC SQL BEGIN DECLARE SECTION;
- int cnt, id, mid, sid;
- char mtype[256], stype[256];
- EXEC SQL END DECLARE SECTION;
- char *client_type;
- int status, client_id;
-
- if (q->type == RETRIEVE)
- return(MR_SUCCESS);
-
- id = *(int *)argv[1];
-
- EXEC SQL SELECT count(name) INTO :cnt from hostalias WHERE mach_id = :id;
- if (dbms_errno) return(mr_errcode);
- /* if the type is APPEND, this is ahal and we need to make sure there
- * will be no more than 2 aliases. If it's not, it must be dhal and
- * any owner will do.
- */
- if (q->type == APPEND && cnt >= 2)
- return(MR_PERM);
- EXEC SQL SELECT m.owner_type, m.owner_id, s.owner_type, s.owner_id
- INTO :mtype, :mid, :stype, :sid FROM machine m, subnet s
- WHERE m.mach_id=:id and s.snet_id=m.snet_id;
- if ((status = get_client(cl, &client_type, &client_id)) != MR_SUCCESS)
- return(status);
- status = find_member(mtype, mid, client_type, client_id);
- if (status)
- return(MR_SUCCESS);
- status = find_member(stype, sid, client_type, client_id);
- if (status)
- return(MR_SUCCESS);
- else
- return(MR_PERM);
-}
-
-
-
-/* access_snt - check for retrieving network structure
- */
-
-int access_snt(q, argv, cl)
- struct query *q;
- char *argv[];
- client *cl;
-{
- if(q->type == RETRIEVE)
- return(MR_SUCCESS);
-
- return(MR_PERM);
-}
andersk / moira.git / blobdiff