!C99Shell v. 1.0 pre-release build #13!

Software: Apache/2.0.54 (Unix) mod_perl/1.99_09 Perl/v5.8.0 mod_ssl/2.0.54 OpenSSL/0.9.7l DAV/2 FrontPage/5.0.2.2635 PHP/4.4.0 mod_gzip/2.0.26.1a 

uname -a: Linux snow.he.net 4.4.276-v2-mono-1 #1 SMP Wed Jul 21 11:21:17 PDT 2021 i686 

uid=99(nobody) gid=98(nobody) groups=98(nobody) 

Safe-mode: OFF (not secure)

/usr/src/linux-2.4.18-xfs-1.1/fs/nfsd/   drwxr-xr-x
Free 318.36 GB of 458.09 GB (69.5%)
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Viewing file:     auth.c (1.42 KB)      -rw-r--r--
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/*
 * linux/fs/nfsd/auth.c
 *
 * Copyright (C) 1995, 1996 Olaf Kirch <okir@monad.swb.de>
 */

#include <linux/types.h>
#include <linux/sched.h>
#include <linux/sunrpc/svc.h>
#include <linux/sunrpc/svcauth.h>
#include <linux/nfsd/nfsd.h>

#define    CAP_NFSD_MASK (CAP_FS_MASK|CAP_TO_MASK(CAP_SYS_RESOURCE))
void
nfsd_setuser(struct svc_rqst *rqstp, struct svc_export *exp)
{
    struct svc_cred    *cred = &rqstp->rq_cred;
    int        i;

    if (rqstp->rq_userset)
        return;

    if (exp->ex_flags & NFSEXP_ALLSQUASH) {
        cred->cr_uid = exp->ex_anon_uid;
        cred->cr_gid = exp->ex_anon_gid;
        cred->cr_groups[0] = NOGROUP;
    } else if (exp->ex_flags & NFSEXP_ROOTSQUASH) {
        if (!cred->cr_uid)
            cred->cr_uid = exp->ex_anon_uid;
        if (!cred->cr_gid)
            cred->cr_gid = exp->ex_anon_gid;
        for (i = 0; i < NGROUPS; i++)
            if (!cred->cr_groups[i])
                cred->cr_groups[i] = exp->ex_anon_gid;
    }

    if (cred->cr_uid != (uid_t) -1)
        current->fsuid = cred->cr_uid;
    else
        current->fsuid = exp->ex_anon_uid;
    if (cred->cr_gid != (gid_t) -1)
        current->fsgid = cred->cr_gid;
    else
        current->fsgid = exp->ex_anon_gid;
    for (i = 0; i < NGROUPS; i++) {
        gid_t group = cred->cr_groups[i];
        if (group == (gid_t) NOGROUP)
            break;
        current->groups[i] = group;
    }
    current->ngroups = i;

    if ((cred->cr_uid)) {
        cap_t(current->cap_effective) &= ~CAP_NFSD_MASK;
    } else {
        cap_t(current->cap_effective) |= (CAP_NFSD_MASK &
                          current->cap_permitted);
    }

    rqstp->rq_userset = 1;
}

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