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command line options to override default uid/gid values

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as of now, not allowing anonymous uid to be 0.

no restrictions on a default gid value.
This commit is contained in:
Olga Kornievskaia 2012-03-07 11:58:59 -05:00
parent 54e17624ab
commit d62d5dee59
1 changed files with 29 additions and 3 deletions
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32
daemon/nfs41_daemon.c
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@ -47,6 +47,8 @@ static const char FILE_NETCONFIG[] = "C:\\etc\\netconfig";
/* Globals */ /* Globals */
char localdomain_name[NFS41_HOSTNAME_LEN]; char localdomain_name[NFS41_HOSTNAME_LEN];
int default_uid = 666;
int default_gid = 777;
#ifndef STANDALONE_NFSD //make sure to define it in "sources" not here #ifndef STANDALONE_NFSD //make sure to define it in "sources" not here
#include "service.h" #include "service.h"
@ -72,8 +74,8 @@ static int map_user_to_ids(nfs41_idmapper *idmapper, uid_t *uid, gid_t *gid)
if (nfs41_idmap_name_to_ids(idmapper, username, uid, gid)) { if (nfs41_idmap_name_to_ids(idmapper, username, uid, gid)) {
/* instead of failing for auth_sys, fall back to 'nobody' uid/gid */ /* instead of failing for auth_sys, fall back to 'nobody' uid/gid */
*uid = 666; *uid = default_uid;
*gid = 777; *gid = default_gid;
} }
out: out:
return status; return status;
@ -178,7 +180,8 @@ static bool_t check_for_files()
static void PrintUsage() static void PrintUsage()
{ {
fprintf(stderr, "Usage: nfsd.exe -d <debug_level> --noldap\n"); fprintf(stderr, "Usage: nfsd.exe -d <debug_level> --noldap "
"--uid <non-zero value> --gid\n");
} }
static bool_t parse_cmdlineargs(int argc, TCHAR *argv[], nfsd_args *out) static bool_t parse_cmdlineargs(int argc, TCHAR *argv[], nfsd_args *out)
{ {
@ -207,6 +210,29 @@ static bool_t parse_cmdlineargs(int argc, TCHAR *argv[], nfsd_args *out)
else if (_tcscmp(argv[i], TEXT("--noldap")) == 0) { /* no LDAP */ else if (_tcscmp(argv[i], TEXT("--noldap")) == 0) { /* no LDAP */
out->ldap_enable = FALSE; out->ldap_enable = FALSE;
} }
else if (_tcscmp(argv[i], TEXT("--uid")) == 0) { /* no LDAP, setting default uid */
++i;
if (i >= argc) {
fprintf(stderr, "Missing uid value\n");
PrintUsage();
return FALSE;
}
default_uid = _ttoi(argv[i]);
if (!default_uid) {
fprintf(stderr, "Invalid (or missing) anonymous uid value of %d\n",
default_uid);
return FALSE;
}
}
else if (_tcscmp(argv[i], TEXT("--gid")) == 0) { /* no LDAP, setting default gid */
++i;
if (i >= argc) {
fprintf(stderr, "Missing gid value\n");
PrintUsage();
return FALSE;
}
default_gid = _ttoi(argv[i]);
}
else else
fprintf(stderr, "Unrecognized option '%s', disregarding.\n", argv[i]); fprintf(stderr, "Unrecognized option '%s', disregarding.\n", argv[i]);
} }