diff options
Diffstat (limited to 'CLEAR-1.1.5.1-PATCHES/patch004')
| -rw-r--r-- | CLEAR-1.1.5.1-PATCHES/patch004 | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/CLEAR-1.1.5.1-PATCHES/patch004 b/CLEAR-1.1.5.1-PATCHES/patch004 new file mode 100644 index 000000000000..26bf7bc4e901 --- /dev/null +++ b/CLEAR-1.1.5.1-PATCHES/patch004 @@ -0,0 +1,89 @@ +>From newsserv!kralizec.zeta.org.au!bde Sat Aug 20 01:50:59 1994 +From: Bruce Evans <newsserv!kralizec.zeta.org.au!bde> +Newsgroups: stark.freebsd-bugs +Subject: Re: uucp command fails with permission problems +Date: Mon, 20 Jun 1994 15:13:31 +1000 +Organization: Gene Stark's home system +Distribution: stark +NNTP-Posting-Host: home.stark.cs.sunysb.edu +To: FreeBSD-bugfiler@freefall.cdrom.com, gordon@sneaky.lonestar.org +Precedence: bulk + +> The problem stems from the change the setreuid(). It +> doesn't change the real uid any more, so uucp changes ids +> back to the wrong id after opening the input file and +> then tries to open a file in the spool directory with +> the invoking user's permissions. +> +> The promised POSIX saved-setuid features don't work either, + +I fixed setuid() and setgid() to support saved ids. This fixes +uucp (when it is configured with HAVE_BROKEN_SETREUID=1 and +HAVE_SAVED_SETUID=1). I don't know if the change is really safe. + +Bruce + +*** sys1/kern/kern_prot.c Wed May 4 17:54:23 1994 +--- src/sys/kern/kern_prot.c Sun Jun 12 06:47:11 1994 +*************** +*** 270,274 **** + + uid = uap->uid; +! if (uid != pc->p_ruid && + (error = suser(pc->pc_ucred, &p->p_acflag))) + return (error); +--- 270,274 ---- + + uid = uap->uid; +! if (uid != pc->p_ruid && uid != pc->p_svuid && + (error = suser(pc->pc_ucred, &p->p_acflag))) + return (error); +*************** +*** 277,284 **** + * not see our changes. + */ + pc->pc_ucred = crcopy(pc->pc_ucred); + pc->pc_ucred->cr_uid = uid; +- pc->p_ruid = uid; +- pc->p_svuid = uid; + p->p_flag |= SUGID; + return (0); +--- 277,286 ---- + * not see our changes. + */ ++ if (pc->pc_ucred->cr_uid == 0) { ++ pc->p_ruid = uid; ++ pc->p_svuid = uid; ++ } + pc->pc_ucred = crcopy(pc->pc_ucred); + pc->pc_ucred->cr_uid = uid; + p->p_flag |= SUGID; + return (0); +*************** +*** 330,339 **** + + gid = uap->gid; +! if (gid != pc->p_rgid && (error = suser(pc->pc_ucred, &p->p_acflag))) + return (error); + pc->pc_ucred = crcopy(pc->pc_ucred); + pc->pc_ucred->cr_groups[0] = gid; +! pc->p_rgid = gid; +! pc->p_svgid = gid; + p->p_flag |= SUGID; + return (0); +--- 332,344 ---- + + gid = uap->gid; +! if (gid != pc->p_rgid && gid != pc->p_svgid && +! (error = suser(pc->pc_ucred, &p->p_acflag))) + return (error); + pc->pc_ucred = crcopy(pc->pc_ucred); + pc->pc_ucred->cr_groups[0] = gid; +! if (pc->pc_ucred->cr_uid == 0) { +! pc->p_rgid = gid; +! pc->p_svgid = gid; +! } + p->p_flag |= SUGID; + return (0); + + |