commit - 94e1f2a4388f674331b2a2f988fb815133d2ab6b
commit + d63790eec8de5c9bf85f3c6daa1e6e756f0515c4
blob - 68bba03f64a207d9c9ff524302c4d9caa4030e56
blob + 3fc07e1f5fbc60d4eaa04c361726877044eaa116
--- man/man8/vbackup.8
+++ man/man8/vbackup.8
.PP
.B vnfs
[
-.B -ELLRVr
+.B -ELLRVir
]
[
.B -a
.TP
.BI -c " cachesize
Set the number of blocks stored by the in-memory venti cache.
+.TP
+.B -i
+Run in ``insecure'' mode, allowing remote root users to
+use uid and gid 0 and read any file.
+(Normally, remote root is mapped to uid and gid \-1
+and has no special permissions.)
.TP
.B -r
Respond to all requests with a Sun RPC rejection.
blob - b2cdd9cfe321c89541676289c8f4865c1f18173b
blob + c3fc780badc27cc1cba4417d25edd7a7db588a55
--- src/cmd/vbackup/nfs3srv.c
+++ src/cmd/vbackup/nfs3srv.c
#include <nfs3.h>
#include "nfs3srv.h"
+int insecure = 0;
+
static SunStatus
authunixunpack(SunRpc *rpc, SunAuthUnix *au)
{
ep = p+ai->ndata;
if(sunauthunixunpack(p, ep, &p, au) < 0)
return SunGarbageArgs;
- if(au->uid == 0)
- au->uid = -1;
- if(au->gid == 0)
- au->gid = -1;
+ if(!insecure){
+ if(au->uid == 0)
+ au->uid = -1;
+ if(au->gid == 0)
+ au->gid = -1;
+ }
return SunSuccess;
}
blob - 79d4464e27ebe939479dc5db2d5d2923a040b816
blob + f96be9850daa11f3d9ee376407eccbff9132adac
--- src/cmd/vbackup/nfs3srv.h
+++ src/cmd/vbackup/nfs3srv.h
extern void nfs3proc(void*);
extern void mount3proc(void*);
+extern int insecure;
+
enum
{
MaxDataSize = 8192
blob - 90f45a042ecd3335c009b5a83371cf97e46e640c
blob + 563cb2707f57b439d0bbce2db38f830b3d2b7d73
--- src/cmd/vbackup/vnfs.c
+++ src/cmd/vbackup/vnfs.c
void
usage(void)
{
- fprint(2, "usage: vnfs [-LLRVr] [-a addr] [-b blocksize] [-c cachesize] configfile\n");
+ fprint(2, "usage: vnfs [-LLRVir] [-a addr] [-b blocksize] [-c cachesize] configfile\n");
threadexitsall("usage");
}
case 'c':
cachesize = unittoull(EARGF(usage()));
break;
+ case 'i':
+ insecure = 1;
+ break;
case 'r':
srv->alwaysreject++;
break;