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-rw-r--r--source3/smbd/quotas.c387
1 files changed, 275 insertions, 112 deletions
diff --git a/source3/smbd/quotas.c b/source3/smbd/quotas.c
index 7808d269f9..75e27f356a 100644
--- a/source3/smbd/quotas.c
+++ b/source3/smbd/quotas.c
@@ -250,6 +250,162 @@ BOOL disk_quotas(char *path, SMB_BIG_UINT *bsize, SMB_BIG_UINT *dfree, SMB_BIG_U
#include <mntent.h>
#endif
+#if defined(SUNOS5)
+
+/****************************************************************************
+ Allows querying of remote hosts for quotas on NFS mounted shares.
+ Supports normal NFS and AMD mounts.
+ Alan Romeril <a.romeril@ic.ac.uk> July 2K.
+****************************************************************************/
+
+#include <rpc/rpc.h>
+#include <rpc/types.h>
+#include <rpcsvc/rquota.h>
+#include <rpc/nettype.h>
+#include <rpc/xdr.h>
+
+static int quotastat;
+
+static int xdr_getquota_args(XDR *xdrsp, struct getquota_args *args)
+{
+ if (!xdr_string(xdrsp, &args->gqa_pathp, RQ_PATHLEN ))
+ return(0);
+ if (!xdr_int(xdrsp, &args->gqa_uid))
+ return(0);
+ return (1);
+}
+
+static int xdr_getquota_rslt(XDR *xdrsp, struct getquota_rslt *gqr)
+{
+ gqr_status status;
+ union {
+ rquota gqr_rquota;
+ } getquota_rslt_u;
+
+ if (!xdr_int(xdrsp, &quotastat)) {
+ DEBUG(6,("nfs_quotas: Status bad or zero\n"));
+ return 0;
+ }
+ if (!xdr_int32_t(xdrsp, &gqr->getquota_rslt_u.gqr_rquota.rq_bsize)) {
+ DEBUG(6,("nfs_quotas: Block size bad or zero\n"));
+ return 0;
+ }
+ if (!xdr_bool(xdrsp, &gqr->getquota_rslt_u.gqr_rquota.rq_active)) {
+ DEBUG(6,("nfs_quotas: Active bad or zero\n"));
+ return 0;
+ }
+ if (!xdr_uint32_t(xdrsp, &gqr->getquota_rslt_u.gqr_rquota.rq_bhardlimit)) {
+ DEBUG(6,("nfs_quotas: Hardlimit bad or zero\n"));
+ return 0;
+ }
+ if (!xdr_uint32_t(xdrsp, &gqr->getquota_rslt_u.gqr_rquota.rq_bsoftlimit)) {
+ DEBUG(6,("nfs_quotas: Softlimit bad or zero\n"));
+ return 0;
+ }
+ if (!xdr_uint32_t(xdrsp, &gqr->getquota_rslt_u.gqr_rquota.rq_curblocks)) {
+ DEBUG(6,("nfs_quotas: Currentblocks bad or zero\n"));
+ return 0;
+ }
+ return (1);
+}
+
+/* Restricted to SUNOS5 for the moment, I haven`t access to others to test. */
+static BOOL nfs_quotas(char *nfspath, uid_t euser_id, SMB_BIG_UINT *bsize, SMB_BIG_UINT *dfree, SMB_BIG_UINT *dsize)
+{
+ uid_t uid = euser_id;
+ struct dqblk D;
+ char *mnttype = nfspath;
+ CLIENT *clnt;
+ struct getquota_rslt gqr;
+ struct getquota_args args;
+ char *cutstr, *pathname, *host, *testpath;
+ int len;
+ static struct timeval timeout = {2,0};
+ enum clnt_stat clnt_stat;
+
+ len=strcspn(mnttype, ":");
+ pathname=strstr(mnttype, ":");
+ cutstr = (char *) malloc(sizeof(char) * len );
+ if (!cutstr)
+ return False;
+
+ host = strncat(cutstr,mnttype, sizeof(char) * len );
+ DEBUG(5,("nfs_quotas: looking for mount on \"%s\"\n", cutstr));
+ DEBUG(5,("nfs_quotas: of path \"%s\"\n", mnttype));
+ testpath=strchr(mnttype, ':');
+ args.gqa_pathp = testpath+1;
+ args.gqa_uid = uid;
+
+ DEBUG(5,("nfs_quotas: Asking for host \"%s\" rpcprog \"%i\" rpcvers \"%i\" network \"%s\"\n", host, RQUOTAPROG, RQUOTAVERS, "udp"));
+
+ if ((clnt = clnt_create(host, RQUOTAPROG, RQUOTAVERS, "udp")) != NULL) {
+ clnt->cl_auth = authunix_create_default();
+ DEBUG(9,("nfs_quotas: auth_success\n"));
+
+ clnt_stat=clnt_call(clnt, RQUOTAPROC_GETQUOTA, xdr_getquota_args, (caddr_t)&args, xdr_getquota_rslt, (caddr_t)&gqr, timeout);
+ if (clnt_stat == RPC_SUCCESS)
+ DEBUG(9,("nfs_quotas: rpccall_success\n"));
+ };
+
+
+ /*
+ * quotastat returns 0 if the rpc call fails, 1 if quotas exist, 2 if there is
+ * no quota set, and 3 if no permission to get the quota. If 0 or 3 return
+ * something sensible.
+ */
+
+ if (quotastat == 1) {
+ DEBUG(9,("nfs_quotas: Good quota data\n"));
+ D.dqb_bsoftlimit = gqr.getquota_rslt_u.gqr_rquota.rq_bsoftlimit;
+ D.dqb_bhardlimit = gqr.getquota_rslt_u.gqr_rquota.rq_bhardlimit;
+ D.dqb_curblocks = gqr.getquota_rslt_u.gqr_rquota.rq_curblocks;
+ }
+
+ if (quotastat == 0 || quotastat == 3) {
+ D.dqb_bsoftlimit = 1;
+ D.dqb_curblocks = 1;
+ DEBUG(9,("nfs_quotas: Remote Quotas Failed! Error \"%i\" \n", quotastat ));
+ }
+
+ if (quotastat == 2) {
+ DEBUG(9,("nfs_quotas: Remote Quotas Failed! Error \"%i\" \n", quotastat ));
+ auth_destroy(clnt->cl_auth);
+ clnt_destroy(clnt);
+ free(cutstr);
+ return(False);
+ }
+
+ DEBUG(10,("nfs_quotas: Let`s look at D a bit closer... status \"%i\" bsize \"%i\" active? \"%i\" bhard \"%i\" bsoft \"%i\" curb \"%i\" \n",
+ quotastat,
+ gqr.getquota_rslt_u.gqr_rquota.rq_bsize,
+ gqr.getquota_rslt_u.gqr_rquota.rq_active,
+ gqr.getquota_rslt_u.gqr_rquota.rq_bhardlimit,
+ gqr.getquota_rslt_u.gqr_rquota.rq_bsoftlimit,
+ gqr.getquota_rslt_u.gqr_rquota.rq_curblocks));
+
+ *bsize = gqr.getquota_rslt_u.gqr_rquota.rq_bsize;
+ *dsize = D.dqb_bsoftlimit;
+
+ if (D.dqb_curblocks == D.dqb_curblocks == 1)
+ *bsize = 512;
+
+ if (D.dqb_curblocks > D.dqb_bsoftlimit) {
+ *dfree = 0;
+ *dsize = D.dqb_curblocks;
+ } else
+ *dfree = D.dqb_bsoftlimit - D.dqb_curblocks;
+
+ auth_destroy(clnt->cl_auth);
+ clnt_destroy(clnt);
+
+ DEBUG(5,("nfs_quotas: For path \"%s\" returning bsize %.0f, dfree %.0f, dsize %.0f\n",args.gqa_pathp,(double)*bsize,(double)*dfree,(double)*dsize));
+
+ free(cutstr);
+ DEBUG(10,("nfs_quotas: End of nfs_quotas\n" ));
+ return(True);
+}
+#endif
+
/****************************************************************************
try to get the disk space from disk quotas (SunOS & Solaris2 version)
Quota code by Peter Urbanec (amiga@cse.unsw.edu.au).
@@ -257,147 +413,154 @@ Quota code by Peter Urbanec (amiga@cse.unsw.edu.au).
BOOL disk_quotas(char *path, SMB_BIG_UINT *bsize, SMB_BIG_UINT *dfree, SMB_BIG_UINT *dsize)
{
- uid_t euser_id;
- int ret;
- struct dqblk D;
+ uid_t euser_id;
+ int ret;
+ struct dqblk D;
#if defined(SUNOS5)
- struct quotctl command;
- int file;
- static struct mnttab mnt;
- static pstring name;
- pstring devopt;
+ struct quotctl command;
+ int file;
+ static struct mnttab mnt;
+ static pstring name;
+ pstring devopt;
#else /* SunOS4 */
- struct mntent *mnt;
- static pstring name;
+ struct mntent *mnt;
+ static pstring name;
#endif
- FILE *fd;
- SMB_STRUCT_STAT sbuf;
- SMB_DEV_T devno ;
- static SMB_DEV_T devno_cached = 0 ;
- static int found ;
+ FILE *fd;
+ SMB_STRUCT_STAT sbuf;
+ SMB_DEV_T devno ;
+ static SMB_DEV_T devno_cached = 0 ;
+ static int found ;
- euser_id = geteuid();
+ euser_id = geteuid();
- if ( sys_stat(path,&sbuf) == -1 )
- return(False) ;
+ if ( sys_stat(path,&sbuf) == -1 )
+ return(False) ;
- devno = sbuf.st_dev ;
- DEBUG(5,("disk_quotas: looking for path \"%s\" devno=%x\n", path,devno));
- if ( devno != devno_cached ) {
- devno_cached = devno ;
+ devno = sbuf.st_dev ;
+ DEBUG(5,("disk_quotas: looking for path \"%s\" devno=%x\n", path,devno));
+ if ( devno != devno_cached ) {
+ devno_cached = devno ;
#if defined(SUNOS5)
- if ((fd = sys_fopen(MNTTAB, "r")) == NULL)
- return(False) ;
+ if ((fd = sys_fopen(MNTTAB, "r")) == NULL)
+ return(False) ;
- found = False ;
- slprintf(devopt, sizeof(devopt) - 1, "dev=%x", devno);
- while (getmntent(fd, &mnt) == 0) {
- if( !hasmntopt(&mnt, devopt) )
- continue;
-
- DEBUG(5,("disk_quotas: testing \"%s\" %s\n", mnt.mnt_mountp,devopt));
-
- /* quotas are only on vxfs, UFS or NFS, but nfs is not supported here */
- if ( strcmp( mnt.mnt_fstype, MNTTYPE_UFS ) == 0 ||
- strcmp( mnt.mnt_fstype, "vxfs" ) == 0 )
- {
- found = True ;
- break ;
- }
- }
+ found = False ;
+ slprintf(devopt, sizeof(devopt) - 1, "dev=%x", devno);
+ while (getmntent(fd, &mnt) == 0) {
+ if( !hasmntopt(&mnt, devopt) )
+ continue;
+
+ DEBUG(5,("disk_quotas: testing \"%s\" %s\n", mnt.mnt_mountp,devopt));
+
+ /* quotas are only on vxfs, UFS or NFS */
+ if ( strcmp( mnt.mnt_fstype, MNTTYPE_UFS ) == 0 ||
+ strcmp( mnt.mnt_fstype, "nfs" ) == 0 ||
+ strcmp( mnt.mnt_fstype, "vxfs" ) == 0 ) {
+ found = True ;
+ break;
+ }
+ }
- pstrcpy(name,mnt.mnt_mountp) ;
- pstrcat(name,"/quotas") ;
- fclose(fd) ;
+ pstrcpy(name,mnt.mnt_mountp) ;
+ pstrcat(name,"/quotas") ;
+ fclose(fd) ;
#else /* SunOS4 */
- if ((fd = setmntent(MOUNTED, "r")) == NULL)
- return(False) ;
+ if ((fd = setmntent(MOUNTED, "r")) == NULL)
+ return(False) ;
- found = False ;
- while ((mnt = getmntent(fd)) != NULL) {
- if ( sys_stat(mnt->mnt_dir,&sbuf) == -1 )
- continue ;
- DEBUG(5,("disk_quotas: testing \"%s\" devno=%o\n",
- mnt->mnt_dir,sbuf.st_dev));
- if (sbuf.st_dev == devno) {
- found = True ;
- break ;
- }
- }
+ found = False ;
+ while ((mnt = getmntent(fd)) != NULL) {
+ if ( sys_stat(mnt->mnt_dir,&sbuf) == -1 )
+ continue ;
+ DEBUG(5,("disk_quotas: testing \"%s\" devno=%o\n", mnt->mnt_dir,sbuf.st_dev));
+ if (sbuf.st_dev == devno) {
+ found = True ;
+ break;
+ }
+ }
- pstrcpy(name,mnt->mnt_fsname) ;
- endmntent(fd) ;
+ pstrcpy(name,mnt->mnt_fsname) ;
+ endmntent(fd) ;
#endif
-
- }
+ }
- if ( ! found )
- return(False) ;
+ if ( ! found )
+ return(False) ;
- save_re_uid();
- set_effective_uid(0);
+ save_re_uid();
+ set_effective_uid(0);
#if defined(SUNOS5)
- DEBUG(5,("disk_quotas: looking for quotas file \"%s\"\n", name));
- if((file=sys_open(name, O_RDONLY,0))<0) {
- restore_re_uid();
- return(False);
- }
- command.op = Q_GETQUOTA;
- command.uid = euser_id;
- command.addr = (caddr_t) &D;
- ret = ioctl(file, Q_QUOTACTL, &command);
- close(file);
+ if ( strcmp( mnt.mnt_fstype, "nfs" ) == 0) {
+ BOOL retval;
+ DEBUG(5,("disk_quotas: looking for mountpath (NFS) \"%s\"\n", mnt.mnt_special));
+ retval = nfs_quotas(mnt.mnt_special, euser_id, bsize, dfree, dsize);
+ restore_re_uid();
+ return retval;
+ }
+
+ DEBUG(5,("disk_quotas: looking for quotas file \"%s\"\n", name));
+ if((file=sys_open(name, O_RDONLY,0))<0) {
+ restore_re_uid();
+ return(False);
+ }
+ command.op = Q_GETQUOTA;
+ command.uid = euser_id;
+ command.addr = (caddr_t) &D;
+ ret = ioctl(file, Q_QUOTACTL, &command);
+ close(file);
#else
- DEBUG(5,("disk_quotas: trying quotactl on device \"%s\"\n", name));
- ret = quotactl(Q_GETQUOTA, name, euser_id, &D);
+ DEBUG(5,("disk_quotas: trying quotactl on device \"%s\"\n", name));
+ ret = quotactl(Q_GETQUOTA, name, euser_id, &D);
#endif
- restore_re_uid();
+ restore_re_uid();
- if (ret < 0) {
- DEBUG(5,("disk_quotas ioctl (Solaris) failed. Error = %s\n", strerror(errno) ));
+ if (ret < 0) {
+ DEBUG(5,("disk_quotas ioctl (Solaris) failed. Error = %s\n", strerror(errno) ));
#if defined(SUNOS5) && defined(VXFS_QUOTA)
- /* If normal quotactl() fails, try vxfs private calls */
- set_effective_uid(euser_id);
- DEBUG(5,("disk_quotas: mount type \"%s\"\n", mnt.mnt_fstype));
- if ( 0 == strcmp ( mnt.mnt_fstype, "vxfs" )) {
- ret = disk_quotas_vxfs(name, path, bsize, dfree, dsize);
- return(ret);
- }
+ /* If normal quotactl() fails, try vxfs private calls */
+ set_effective_uid(euser_id);
+ DEBUG(5,("disk_quotas: mount type \"%s\"\n", mnt.mnt_fstype));
+ if ( 0 == strcmp ( mnt.mnt_fstype, "vxfs" )) {
+ BOOL retval;
+ retval = disk_quotas_vxfs(name, path, bsize, dfree, dsize);
+ return(retval);
+ }
#else
- return(False);
+ return(False);
#endif
- }
+ }
- /* If softlimit is zero, set it equal to hardlimit.
- */
+ /* If softlimit is zero, set it equal to hardlimit.
+ */
- if (D.dqb_bsoftlimit==0)
- D.dqb_bsoftlimit = D.dqb_bhardlimit;
-
- /* Use softlimit to determine disk space. A user exceeding the quota is told
- * that there's no space left. Writes might actually work for a bit if the
- * hardlimit is set higher than softlimit. Effectively the disk becomes
- * made of rubber latex and begins to expand to accommodate the user :-)
- */
-
- if (D.dqb_bsoftlimit==0)
- return(False);
- *bsize = DEV_BSIZE;
- *dsize = D.dqb_bsoftlimit;
-
- if (D.dqb_curblocks > D.dqb_bsoftlimit) {
- *dfree = 0;
- *dsize = D.dqb_curblocks;
- } else
- *dfree = D.dqb_bsoftlimit - D.dqb_curblocks;
+ if (D.dqb_bsoftlimit==0)
+ D.dqb_bsoftlimit = D.dqb_bhardlimit;
+
+ /* Use softlimit to determine disk space. A user exceeding the quota is told
+ * that there's no space left. Writes might actually work for a bit if the
+ * hardlimit is set higher than softlimit. Effectively the disk becomes
+ * made of rubber latex and begins to expand to accommodate the user :-)
+ */
+
+ if (D.dqb_bsoftlimit==0)
+ return(False);
+ *bsize = DEV_BSIZE;
+ *dsize = D.dqb_bsoftlimit;
+
+ if (D.dqb_curblocks > D.dqb_bsoftlimit) {
+ *dfree = 0;
+ *dsize = D.dqb_curblocks;
+ } else
+ *dfree = D.dqb_bsoftlimit - D.dqb_curblocks;
- DEBUG(5,("disk_quotas for path \"%s\" returning bsize %.0f, dfree %.0f, dsize %.0f\n",
- path,(double)*bsize,(double)*dfree,(double)*dsize));
+ DEBUG(5,("disk_quotas for path \"%s\" returning bsize %.0f, dfree %.0f, dsize %.0f\n",
+ path,(double)*bsize,(double)*dfree,(double)*dsize));
- return(True);
+ return(True);
}
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