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/*
* Copyright (C) 2004-2010 by CERN
* All rights reserved
*/
#ifndef lint
static char sccsid[] = "@(#)$RCSfile: srmv2_permreq.c,v $ $Revision: 3186 $ $Date: 2010-02-23 13:07:22 +0100 (Tue, 23 Feb 2010) $ CERN Jean-Philippe Baud";
#endif /* not lint */
#include <sys/types.h>
#include <Cgrp.h>
#include "Cnetdb.h"
#include <Cpwd.h>
#include "dpm.h"
#include "dpm_server.h"
#include "dpm_util.h"
#include "dpns_api.h"
#include "serrno.h"
#include "srm_server.h"
#include "srmv2H.h"
extern char *decode_group(gid_t, gid_t *, char *);
extern char *decode_user(uid_t, uid_t *, char *);
static enum ns1__TPermissionMode f_modes[] = {NONE, X, W, WX, R, RX, RW, RWX};
static int cvt_entries(struct ns1__srmSetPermissionRequest *, struct Cns_acl *);
static int na_key = -1;
/* Permission Functions */
int
ns1__srmSetPermission (struct soap *soap, struct ns1__srmSetPermissionRequest *req, struct ns1__srmSetPermissionResponse_ *rep)
{
struct Cns_acl *acl;
struct Cns_acl *aclp;
char clientdn[256];
const char *clienthost;
int found;
char **fqan;
char func[16];
gid_t gid;
gid_t *gids;
struct Cns_acl inpacl[CA_MAXACLENTRIES];
int j;
int k;
int nb_inp_entries;
int nb_tmp_entries;
int nbfqans;
int nbgids;
int nentries;
int nocheckid;
int ng = 0;
int nm = 0;
int nu = 0;
struct ns1__srmSetPermissionResponse *repp;
char *sfn;
struct Cns_acl *taclp;
struct srm_srv_thread_info *thip = soap->user;
struct Cns_acl tmpacl[CA_MAXACLENTRIES];
uid_t uid;
char *voname;
strcpy (func, "SetPermission");
get_client_dn (soap, clientdn, sizeof(clientdn));
clienthost = Cgetnetaddress (-1, &soap->peer, soap->peerlen, &na_key, NULL, NULL, 0, 0);
if (!clienthost) clienthost = "(unknown)";
srmlogit (func, "request by %s from %s\n", clientdn, clienthost);
if (! req) {
soap_sender_fault (soap, "NULL request", NULL);
RETURN (SOAP_FAULT);
}
if ((repp = soap_malloc (soap, sizeof(struct ns1__srmSetPermissionResponse))) == NULL ||
(repp->returnStatus = soap_malloc (soap, sizeof(struct ns1__TReturnStatus))) == NULL) {
RETURN (SOAP_EOM);
}
repp->returnStatus->explanation = NULL;
rep->srmSetPermissionResponse = repp;
if (get_client_full_id (soap, clientdn, &voname, &fqan, &nbfqans, &uid, &gid, &nbgids, &gids) < 0) {
repp->returnStatus->statusCode = SRM_USCOREAUTHENTICATION_USCOREFAILURE;
repp->returnStatus->explanation = soap_strdup (soap, "Could not get user mapping");
RETURNSC (SOAP_OK, SRM_USCOREAUTHENTICATION_USCOREFAILURE);
}
if (! req->SURL) {
repp->returnStatus->statusCode = SRM_USCOREFAILURE;
repp->returnStatus->explanation = soap_strdup (soap, "SURL is required");
RETURNSC (SOAP_OK, SRM_USCOREFAILURE);
}
if ((sfn = sfnfromsurl (req->SURL)) == NULL) {
repp->returnStatus->statusCode = SRM_USCOREINVALID_USCOREPATH;
RETURNSC (SOAP_OK, SRM_USCOREINVALID_USCOREPATH);
}
if ((nb_inp_entries = cvt_entries (req, inpacl)) <= 0) {
repp->returnStatus->statusCode = SRM_USCOREINVALID_USCOREREQUEST;
RETURNSC (SOAP_OK, SRM_USCOREINVALID_USCOREREQUEST);
}
Cns_seterrbuf (thip->errbuf, sizeof(thip->errbuf));
Cns_client_setAuthorizationId (uid, gid, "GSI", clientdn);
if (voname && fqan)
Cns_client_setVOMS_data (voname, fqan, nbfqans);
if (req->permissionType == ADD || req->permissionType == REMOVE ||
req->permissionType == CHANGE) {
if ((nb_tmp_entries = Cns_getacl (sfn, CA_MAXACLENTRIES, tmpacl)) < 0) {
repp->returnStatus->explanation = soap_strdup (soap, sstrerror (serrno));
repp->returnStatus->statusCode = serrno2statuscode (serrno);
RETURNSC (SOAP_OK, repp->returnStatus->statusCode);
}
if (req->permissionType == REMOVE) {
for (aclp = inpacl, j = 0; j < nb_inp_entries; aclp++, j++) {
nocheckid = aclp->a_type == CNS_ACL_USER_OBJ ||
aclp->a_type == CNS_ACL_GROUP_OBJ ||
aclp->a_type == (CNS_ACL_DEFAULT | CNS_ACL_USER_OBJ) ||
aclp->a_type == (CNS_ACL_DEFAULT | CNS_ACL_GROUP_OBJ);
for (taclp = tmpacl, k = 0; k < nb_tmp_entries; taclp++, k++) {
if (aclp->a_type == taclp->a_type &&
(aclp->a_id == taclp->a_id ||
nocheckid)) {
nb_tmp_entries--;
if (k < nb_tmp_entries)
memcpy (taclp, taclp + 1,
(nb_tmp_entries - k) * sizeof (struct Cns_acl));
break;
}
}
}
} else {
for (aclp = inpacl, j = 0; j < nb_inp_entries; aclp++, j++) {
found = 0;
nocheckid = aclp->a_type == CNS_ACL_USER_OBJ ||
aclp->a_type == CNS_ACL_GROUP_OBJ ||
aclp->a_type == (CNS_ACL_DEFAULT | CNS_ACL_USER_OBJ) ||
aclp->a_type == (CNS_ACL_DEFAULT | CNS_ACL_GROUP_OBJ);
for (taclp = tmpacl, k = 0; k < nb_tmp_entries; taclp++, k++) {
if ((aclp->a_type == taclp->a_type ||
(aclp->a_type == CNS_ACL_GROUP &&
taclp->a_type == CNS_ACL_GROUP_OBJ)) &&
(aclp->a_id == taclp->a_id ||
nocheckid)) {
found++;
taclp->a_perm = aclp->a_perm;
break;
}
}
if (! found) {
if (req->permissionType != ADD) {
repp->returnStatus->statusCode =
SRM_USCOREINVALID_USCOREREQUEST;
RETURNSC (SOAP_OK, SRM_USCOREINVALID_USCOREREQUEST);
}
if (nb_tmp_entries >= CA_MAXACLENTRIES) {
repp->returnStatus->explanation =
soap_strdup (soap, "Too many ACL entries");
repp->returnStatus->statusCode =
SRM_USCOREFAILURE;
RETURNSC (SOAP_OK, SRM_USCOREFAILURE);
}
memcpy (taclp, aclp, sizeof(struct Cns_acl));
nb_tmp_entries++;
}
}
}
acl = tmpacl;
nentries = nb_tmp_entries;
} else {
repp->returnStatus->statusCode = SRM_USCOREINVALID_USCOREREQUEST;
RETURNSC (SOAP_OK, SRM_USCOREINVALID_USCOREREQUEST);
}
/* If there is any USER or GROUP entry, there must be a MASK entry.
* If there is no mask entry, generate one */
for (aclp = acl, j = 0; j < nentries; aclp++, j++) {
if (aclp->a_type == CNS_ACL_USER) nu++;
else if (aclp->a_type == CNS_ACL_GROUP) ng++;
else if (aclp->a_type == CNS_ACL_MASK) nm++;
}
if ((nu || ng) && nm != 1) {
aclp->a_type = CNS_ACL_MASK;
aclp->a_id = 0;
aclp->a_perm = 07;
nentries++;
}
if (Cns_setacl (sfn, nentries, acl)) {
repp->returnStatus->explanation = soap_strdup (soap, sstrerror (serrno));
repp->returnStatus->statusCode = serrno2statuscode (serrno);
} else
repp->returnStatus->statusCode = SRM_USCORESUCCESS;
RETURNSC (SOAP_OK, repp->returnStatus->statusCode);
}
static int
cvt_entries (struct ns1__srmSetPermissionRequest *req, struct Cns_acl *acl)
{
int i;
int nentries = 0;
if (req->ownerPermission) {
acl->a_type = CNS_ACL_USER_OBJ;
acl->a_id = 0;
acl->a_perm = *req->ownerPermission;
acl++;
nentries++;
}
if (req->arrayOfUserPermissions) {
for (i = 0; i < req->arrayOfUserPermissions->__sizeuserPermissionArray; i++) {
if (! req->arrayOfUserPermissions->userPermissionArray[i])
continue;
acl->a_type = CNS_ACL_USER;
if (! req->arrayOfUserPermissions->userPermissionArray[i]->userID ||
(acl->a_id = cvt_user (req->arrayOfUserPermissions->userPermissionArray[i]->userID)) < 0)
return (-1);
acl->a_perm = req->arrayOfUserPermissions->userPermissionArray[i]->mode;
acl++;
nentries++;
}
}
if (req->arrayOfGroupPermissions) {
for (i = 0; i < req->arrayOfGroupPermissions->__sizegroupPermissionArray; i++) {
if (! req->arrayOfGroupPermissions->groupPermissionArray[i])
continue;
if (! req->arrayOfGroupPermissions->groupPermissionArray[i]->groupID)
return (-1);
if (strcmp (req->arrayOfGroupPermissions->groupPermissionArray[i]->groupID, "-") == 0) {
acl->a_id = 0;
acl->a_type = CNS_ACL_GROUP_OBJ;
} else {
if ((acl->a_id = cvt_group (req->arrayOfGroupPermissions->groupPermissionArray[i]->groupID)) < 0)
return (-1);
acl->a_type = CNS_ACL_GROUP;
}
acl->a_perm = req->arrayOfGroupPermissions->groupPermissionArray[i]->mode;
acl++;
nentries++;
}
}
if (req->otherPermission) {
acl->a_type = CNS_ACL_OTHER;
acl->a_id = 0;
acl->a_perm = *req->otherPermission;
acl++;
nentries++;
}
return (nentries);
}
cvt_group (char *p)
{
gid_t gid;
struct group *gr;
#ifdef VIRTUAL_ID
if (strcmp (p, "root") == 0)
gid = 0;
else if (Cns_getgrpbynam (p, &gid) < 0) {
#else
if ((gr = Cgetgrnam (p)))
gid = gr->gr_gid;
else {
#endif
return (-1);
}
return (gid);
}
cvt_user (char *p)
{
struct passwd *pwd;
uid_t uid;
#ifdef VIRTUAL_ID
if (strcmp (p, "root") == 0)
uid = 0;
else if (Cns_getusrbynam (p, &uid) < 0) {
#else
if ((pwd = Cgetpwnam (p)))
uid = pwd->pw_uid;
else {
#endif
return (-1);
}
return (uid);
}
int
ns1__srmCheckPermission (struct soap *soap, struct ns1__srmCheckPermissionRequest *req, struct ns1__srmCheckPermissionResponse_ *rep)
{
char clientdn[256];
const char *clienthost;
char **fqan;
char func[16];
gid_t gid;
gid_t *gids;
int i;
int mode;
int nb_file_err = 0;
int nbfqans;
int nbgids;
int nbsurls;
struct ns1__TSURLPermissionReturn *repfilep;
struct ns1__srmCheckPermissionResponse *repp;
char *sfn;
struct srm_srv_thread_info *thip = soap->user;
uid_t uid;
char *voname;
strcpy (func, "CheckPermission");
get_client_dn (soap, clientdn, sizeof(clientdn));
clienthost = Cgetnetaddress (-1, &soap->peer, soap->peerlen, &na_key, NULL, NULL, 0, 0);
if (!clienthost) clienthost = "(unknown)";
srmlogit (func, "request by %s from %s\n", clientdn, clienthost);
if (! req) {
soap_sender_fault (soap, "NULL request", NULL);
RETURN (SOAP_FAULT);
}
if ((repp = soap_malloc (soap, sizeof(struct ns1__srmCheckPermissionResponse))) == NULL ||
(repp->returnStatus = soap_malloc (soap, sizeof(struct ns1__TReturnStatus))) == NULL) {
RETURN (SOAP_EOM);
}
repp->returnStatus->explanation = NULL;
repp->arrayOfPermissions = NULL;
rep->srmCheckPermissionResponse = repp;
if (get_client_full_id (soap, clientdn, &voname, &fqan, &nbfqans, &uid, &gid, &nbgids, &gids) < 0) {
repp->returnStatus->statusCode = SRM_USCOREAUTHENTICATION_USCOREFAILURE;
repp->returnStatus->explanation = soap_strdup (soap, "Could not get user mapping");
RETURNSC (SOAP_OK, SRM_USCOREAUTHENTICATION_USCOREFAILURE);
}
if (! req->arrayOfSURLs) {
repp->returnStatus->statusCode = SRM_USCOREFAILURE;
repp->returnStatus->explanation = soap_strdup (soap, "arrayOfSiteURLs is required");
RETURNSC (SOAP_OK, SRM_USCOREFAILURE);
}
nbsurls = req->arrayOfSURLs->__sizeurlArray;
/* Allocate the array of file permissions */
if ((repp->arrayOfPermissions =
soap_malloc (soap, sizeof(struct ns1__ArrayOfTSURLPermissionReturn))) == NULL ||
(repp->arrayOfPermissions->surlPermissionArray =
soap_malloc (soap, nbsurls * sizeof(struct ns1__TSURLPermissionReturn *))) == NULL) {
RETURN (SOAP_EOM);
}
repp->arrayOfPermissions->__sizesurlPermissionArray = nbsurls;
Cns_seterrbuf (thip->errbuf, sizeof(thip->errbuf));
Cns_client_setAuthorizationId (uid, gid, "GSI", clientdn);
if (voname && fqan)
Cns_client_setVOMS_data (voname, fqan, nbfqans);
for (i = 0; i < nbsurls; i++) {
if ((repp->arrayOfPermissions->surlPermissionArray[i] = repfilep =
soap_malloc (soap, sizeof(struct ns1__TSURLPermissionReturn))) == NULL)
RETURN (SOAP_EOM);
memset (repfilep, 0, sizeof(struct ns1__TSURLPermissionReturn));
if ((repp->arrayOfPermissions->surlPermissionArray[i]->status =
soap_malloc (soap, sizeof(struct ns1__TReturnStatus))) == NULL)
RETURN (SOAP_EOM);
memset (repfilep->status, 0, sizeof(struct ns1__TReturnStatus));
repfilep->surl = req->arrayOfSURLs->urlArray[i];
if (! repfilep->surl) {
repfilep->status->statusCode = SRM_USCOREINVALID_USCOREPATH;
repfilep->status->explanation = soap_strdup (soap, "Pointer to SURL is NULL");
nb_file_err++;
continue;
}
if (strlen (repfilep->surl) > CA_MAXSFNLEN ||
(sfn = sfnfromsurl (repfilep->surl)) == NULL) {
repfilep->status->statusCode = SRM_USCOREINVALID_USCOREPATH;
nb_file_err++;
continue;
}
mode = 0;
if (Cns_access (sfn, R_OK) < 0) {
if (serrno != EACCES) {
repfilep->status->statusCode = serrno2statuscode (serrno);
nb_file_err++;
continue;
}
} else
mode |= 4;
if (Cns_access (sfn, W_OK) < 0) {
if (serrno != EACCES) {
repfilep->status->statusCode = serrno2statuscode (serrno);
nb_file_err++;
continue;
}
} else
mode |= 2;
if (Cns_access (sfn, X_OK) < 0) {
if (serrno != EACCES) {
repfilep->status->statusCode = serrno2statuscode (serrno);
nb_file_err++;
continue;
}
} else
mode |= 1;
repfilep->permission = &f_modes[mode];
}
if (nb_file_err == 0)
repp->returnStatus->statusCode = SRM_USCORESUCCESS;
else if (nb_file_err != nbsurls)
repp->returnStatus->statusCode = SRM_USCOREPARTIAL_USCORESUCCESS;
else
repp->returnStatus->statusCode = SRM_USCOREFAILURE;
RETURNSC (SOAP_OK, repp->returnStatus->statusCode);
}
int
ns1__srmGetPermission (struct soap *soap, struct ns1__srmGetPermissionRequest *req, struct ns1__srmGetPermissionResponse_ *rep)
{
struct Cns_acl acl[CA_MAXACLENTRIES];
struct Cns_acl *aclp;
char clientdn[256];
const char *clienthost;
char **fqan;
char func[16];
gid_t gid;
gid_t *gids;
int i;
int ig;
int iu;
int j;
int nb_file_err = 0;
int nbfqans;
int nbgids;
int nbsurls;
int nentries;
int ng;
int nu;
struct ns1__TPermissionReturn *repfilep;
struct ns1__srmGetPermissionResponse *repp;
gid_t sav_gid = -1;
char sav_gidstr[256];
uid_t sav_uid = -1;
char sav_uidstr[256];
char *sfn;
struct srm_srv_thread_info *thip = soap->user;
uid_t uid;
char *voname;
strcpy (func, "GetPermission");
get_client_dn (soap, clientdn, sizeof(clientdn));
clienthost = Cgetnetaddress (-1, &soap->peer, soap->peerlen, &na_key, NULL, NULL, 0, 0);
if (!clienthost) clienthost = "(unknown)";
srmlogit (func, "request by %s from %s\n", clientdn, clienthost);
if (! req) {
soap_sender_fault (soap, "NULL request", NULL);
RETURN (SOAP_FAULT);
}
if ((repp = soap_malloc (soap, sizeof(struct ns1__srmGetPermissionResponse))) == NULL ||
(repp->returnStatus = soap_malloc (soap, sizeof(struct ns1__TReturnStatus))) == NULL) {
RETURN (SOAP_EOM);
}
repp->returnStatus->explanation = NULL;
repp->arrayOfPermissionReturns = NULL;
rep->srmGetPermissionResponse = repp;
if (get_client_full_id (soap, clientdn, &voname, &fqan, &nbfqans, &uid, &gid, &nbgids, &gids) < 0) {
repp->returnStatus->statusCode = SRM_USCOREAUTHENTICATION_USCOREFAILURE;
repp->returnStatus->explanation = soap_strdup (soap, "Could not get user mapping");
RETURNSC (SOAP_OK, SRM_USCOREAUTHENTICATION_USCOREFAILURE);
}
if (! req->arrayOfSURLs) {
repp->returnStatus->statusCode = SRM_USCOREFAILURE;
repp->returnStatus->explanation = soap_strdup (soap, "arrayOfSiteURLs is required");
RETURNSC (SOAP_OK, SRM_USCOREFAILURE);
}
nbsurls = req->arrayOfSURLs->__sizeurlArray;
/* Allocate the array of file permissions */
if ((repp->arrayOfPermissionReturns =
soap_malloc (soap, sizeof(struct ns1__ArrayOfTPermissionReturn))) == NULL ||
(repp->arrayOfPermissionReturns->permissionArray =
soap_malloc (soap, nbsurls * sizeof(struct ns1__TPermissionReturn *))) == NULL) {
RETURN (SOAP_EOM);
}
repp->arrayOfPermissionReturns->__sizepermissionArray = nbsurls;
Cns_seterrbuf (thip->errbuf, sizeof(thip->errbuf));
Cns_client_setAuthorizationId (uid, gid, "GSI", clientdn);
if (voname && fqan)
Cns_client_setVOMS_data (voname, fqan, nbfqans);
for (i = 0; i < nbsurls; i++) {
if ((repp->arrayOfPermissionReturns->permissionArray[i] = repfilep =
soap_malloc (soap, sizeof(struct ns1__TPermissionReturn))) == NULL)
RETURN (SOAP_EOM);
memset (repfilep, 0, sizeof(struct ns1__TPermissionReturn));
if ((repp->arrayOfPermissionReturns->permissionArray[i]->status =
soap_malloc (soap, sizeof(struct ns1__TReturnStatus))) == NULL)
RETURN (SOAP_EOM);
memset (repfilep->status, 0, sizeof(struct ns1__TReturnStatus));
repfilep->surl = req->arrayOfSURLs->urlArray[i];
if (! repfilep->surl) {
repfilep->status->statusCode = SRM_USCOREINVALID_USCOREPATH;
repfilep->status->explanation = soap_strdup (soap, "Pointer to SURL is NULL");
nb_file_err++;
continue;
}
if (strlen (repfilep->surl) > CA_MAXSFNLEN ||
(sfn = sfnfromsurl (repfilep->surl)) == NULL) {
repfilep->status->statusCode = SRM_USCOREINVALID_USCOREPATH;
nb_file_err++;
continue;
}
if ((nentries = Cns_getacl (sfn, CA_MAXACLENTRIES, acl)) < 0) {
repfilep->status->statusCode = serrno2statuscode (serrno);
nb_file_err++;
continue;
}
ng = 0;
nu = 0;
for (j = 0, aclp = acl; j < nentries; j++, aclp++) {
if (aclp->a_type == CNS_ACL_USER) nu++;
if (aclp->a_type == CNS_ACL_GROUP_OBJ) ng++;
if (aclp->a_type == CNS_ACL_GROUP) ng++;
}
if (nu == 0 || (repfilep->arrayOfUserPermissions =
soap_malloc (soap, sizeof(struct ns1__ArrayOfTUserPermission))) == NULL ||
(repfilep->arrayOfUserPermissions->userPermissionArray =
soap_malloc (soap, nu * sizeof(struct ns1__TUserPermission *))) == NULL)
repfilep->arrayOfUserPermissions = NULL;
if ((repfilep->arrayOfGroupPermissions =
soap_malloc (soap, sizeof(struct ns1__ArrayOfTGroupPermission))) == NULL ||
(repfilep->arrayOfGroupPermissions->groupPermissionArray =
soap_malloc (soap, ng * sizeof(struct ns1__TGroupPermission *))) == NULL)
repfilep->arrayOfGroupPermissions = NULL;
ig = 0;
iu = 0;
for (j = 0, aclp = acl; j < nentries; j++, aclp++) {
if (aclp->a_type == CNS_ACL_USER_OBJ) {
repfilep->owner =
soap_strdup (soap, decode_user (aclp->a_id, &sav_uid, sav_uidstr));
repfilep->ownerPermission = &f_modes[aclp->a_perm];
} else if (aclp->a_type == CNS_ACL_USER) {
if (repfilep->arrayOfUserPermissions &&
(repfilep->arrayOfUserPermissions->userPermissionArray[iu] =
soap_malloc (soap, sizeof(struct ns1__TUserPermission))) &&
(repfilep->arrayOfUserPermissions->userPermissionArray[iu]->userID =
soap_strdup (soap, decode_user (aclp->a_id, &sav_uid, sav_uidstr))))
repfilep->arrayOfUserPermissions->userPermissionArray[iu++]->mode = aclp->a_perm;
} else if (aclp->a_type == CNS_ACL_GROUP_OBJ ||
aclp->a_type == CNS_ACL_GROUP) {
if (repfilep->arrayOfGroupPermissions &&
(repfilep->arrayOfGroupPermissions->groupPermissionArray[ig] =
soap_malloc (soap, sizeof(struct ns1__TGroupPermission))) &&
(repfilep->arrayOfGroupPermissions->groupPermissionArray[ig]->groupID =
soap_strdup (soap, decode_group (aclp->a_id, &sav_gid, sav_gidstr))))
repfilep->arrayOfGroupPermissions->groupPermissionArray[ig++]->mode = aclp->a_perm;
} else if (aclp->a_type == CNS_ACL_OTHER)
repfilep->otherPermission = &f_modes[aclp->a_perm];
}
if (iu)
repfilep->arrayOfUserPermissions->__sizeuserPermissionArray = iu;
else
repfilep->arrayOfUserPermissions = NULL;
if (ig)
repfilep->arrayOfGroupPermissions->__sizegroupPermissionArray = ig;
else
repfilep->arrayOfGroupPermissions = NULL;
}
if (nb_file_err == 0)
repp->returnStatus->statusCode = SRM_USCORESUCCESS;
else if (nb_file_err != nbsurls)
repp->returnStatus->statusCode = SRM_USCOREPARTIAL_USCORESUCCESS;
else
repp->returnStatus->statusCode = SRM_USCOREFAILURE;
RETURNSC (SOAP_OK, repp->returnStatus->statusCode);
}
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