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-rw-r--r--ChangeLog19
-rw-r--r--sysdeps/mach/hurd/setegid.c15
-rw-r--r--sysdeps/mach/hurd/seteuid.c15
-rw-r--r--sysdeps/mach/hurd/setgid.c49
-rw-r--r--sysdeps/mach/hurd/setregid.c48
-rw-r--r--sysdeps/mach/hurd/setreuid.c44
-rw-r--r--sysdeps/mach/hurd/setuid.c45
7 files changed, 177 insertions, 58 deletions
diff --git a/ChangeLog b/ChangeLog
index 66f7e41d99..d2b8241a70 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,22 @@
+Fri Dec 22 00:57:38 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
+
+ * sysdeps/mach/hurd/setuid.c: Rewrote ID frobnication to do the
+ right thing.
+ * sysdeps/mach/hurd/setgid.c: Likewise.
+ * sysdeps/mach/hurd/setreuid.c: Likewise.
+ * sysdeps/mach/hurd/setregid.c: Likewise.
+ * sysdeps/mach/hurd/setegid.c: Likewise.
+ * sysdeps/mach/hurd/seteuid.c: Likewise.
+
+ * sysdeps/mach/hurd/fork.c: Peek __mach_task_self_ value before
+ proc_dostop call to work around kernel paging bug.
+
+Thu Dec 21 12:19:32 1995 Miles Bader <miles@gnu.ai.mit.edu>
+
+ * sysdeps/mach/hurd/setuid.c (__setuid): Actually add the new uid
+ instead of putting it (and other uids) in the gids and leaving the
+ old uids as is.
+
Wed Dec 20 18:23:10 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
* stdio/internals.c (flushbuf): If the target is -1, always
diff --git a/sysdeps/mach/hurd/setegid.c b/sysdeps/mach/hurd/setegid.c
index 8ca4abee06..6710462125 100644
--- a/sysdeps/mach/hurd/setegid.c
+++ b/sysdeps/mach/hurd/setegid.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1993, 1994 Free Software Foundation, Inc.
+/* Copyright (C) 1993, 1994, 1995 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -40,17 +40,18 @@ DEFUN(setegid, (gid), gid_t gid)
/* Make a new auth handle which has EGID as the first element in the
list of effective gids. */
- size_t ngen = _hurd_id.gen.ngids < 1 ? 1 : _hurd_id.gen.ngids;
- gid_t newgen[ngen];
-
- newgen[0] = gid;
- memcpy (&newgen[1], _hurd_id.gen.gids, (ngen - 1) * sizeof (gid_t));
+ if (_hurd_id.gen.ngids > 0)
+ {
+ _hurd_id.gen.gids[0] = gid;
+ _hurd_id.valid = 0;
+ }
err = __USEPORT (AUTH, __auth_makeauth
(port, NULL, MACH_MSG_TYPE_COPY_SEND, 0,
_hurd_id.gen.uids, _hurd_id.gen.nuids,
_hurd_id.aux.uids, _hurd_id.aux.nuids,
- newgen, ngen,
+ _hurd_id.gen.ngids ? _hurd_id.gen.gids : &gid,
+ _hurd_id.gen.ngids ?: 1,
_hurd_id.aux.gids, _hurd_id.aux.ngids,
&newauth));
}
diff --git a/sysdeps/mach/hurd/seteuid.c b/sysdeps/mach/hurd/seteuid.c
index 9c44c4d275..62f4488624 100644
--- a/sysdeps/mach/hurd/seteuid.c
+++ b/sysdeps/mach/hurd/seteuid.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1993, 1994 Free Software Foundation, Inc.
+/* Copyright (C) 1993, 1994, 1995 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -40,15 +40,16 @@ DEFUN(seteuid, (uid), uid_t uid)
/* Make a new auth handle which has EUID as the first element in the
list of effective uids. */
- size_t ngen = _hurd_id.gen.nuids < 1 ? 1 : _hurd_id.gen.nuids;
- uid_t newgen[ngen];
-
- newgen[0] = uid;
- memcpy (&newgen[1], _hurd_id.gen.uids, (ngen - 1) * sizeof (uid_t));
+ if (_hurd_id.gen.nuids > 0)
+ {
+ _hurd_id.gen.uids[0] = uid;
+ _hurd_id.valid = 0;
+ }
err = __USEPORT (AUTH, __auth_makeauth
(port, NULL, MACH_MSG_TYPE_COPY_SEND, 0,
- newgen, ngen,
+ _hurd_id.gen.nuids ? _hurd_id.gen.uids : &uid,
+ _hurd_id.gen.nuids ?: 1,
_hurd_id.aux.uids, _hurd_id.aux.nuids,
_hurd_id.gen.gids, _hurd_id.gen.ngids,
_hurd_id.aux.gids, _hurd_id.aux.ngids,
diff --git a/sysdeps/mach/hurd/setgid.c b/sysdeps/mach/hurd/setgid.c
index 933792b86b..660a3fe5d0 100644
--- a/sysdeps/mach/hurd/setgid.c
+++ b/sysdeps/mach/hurd/setgid.c
@@ -43,22 +43,45 @@ DEFUN(__setgid, (gid), gid_t gid)
/* Make a new auth handle which has GID as the real gid,
and as the first element in the list of effective gids. */
- gid_t newgen[_hurd_id.gen.ngids + 1];
- gid_t newaux[_hurd_id.aux.ngids];
-
- newgen[0] = gid;
- memcpy (&newgen[1], _hurd_id.gen.gids,
- _hurd_id.gen.ngids * sizeof (gid_t));
- newaux[0] = gid;
- memcpy (&newaux[1], _hurd_id.aux.gids,
- (_hurd_id.aux.ngids - 1) * sizeof (gid_t));
+ gid_t *newgen, *newaux, auxbuf[2];
+ size_t ngen, naux;
+
+ newaux = _hurd_id.aux.gids;
+ naux = _hurd_id.aux.ngids;
+ if (_hurd_id.gen.ngids == 0)
+ {
+ /* No effective gids now. The new set will be just GID. */
+ newgen = &gid;
+ ngen = 1;
+ }
+ else if (_hurd_id.gen.gids[0] == 0)
+ {
+ /* We are root; set the effective, real, and saved to GID. */
+ _hurd_id.gen.gids[0] = gid;
+ _hurd_id.valid = 0;
+ newgen = _hurd_id.gen.gids;
+ ngen = _hurd_id.gen.ngids;
+ if (_hurd_id.aux.ngids < 2)
+ {
+ newaux = auxbuf;
+ naux = 2;
+ }
+ _hurd_id.aux.gids[0] = _hurd_id.aux.gids[1] = gid;
+ }
+ else
+ {
+ /* We are not root; just change the effective GID. */
+ _hurd_id.gen.gids[0] = gid;
+ _hurd_id.valid = 0;
+ newgen = _hurd_id.gen.gids;
+ ngen = _hurd_id.gen.ngids;
+ }
err = __USEPORT (AUTH, __auth_makeauth
(port, NULL, MACH_MSG_TYPE_COPY_SEND, 0,
- _hurd_id.gen.uids, _hurd_id.gen.nuids,
- _hurd_id.aux.uids, _hurd_id.aux.nuids,
- newgen, 1 + _hurd_id.gen.ngids,
- newaux, _hurd_id.aux.ngids,
+ newgen, ngen, newaux, naux,
+ _hurd_id.gen.gids, _hurd_id.gen.ngids,
+ _hurd_id.aux.gids, _hurd_id.aux.ngids,
&newauth));
}
__mutex_unlock (&_hurd_id.lock);
diff --git a/sysdeps/mach/hurd/setregid.c b/sysdeps/mach/hurd/setregid.c
index 8b76f7008a..ea7e38bc74 100644
--- a/sysdeps/mach/hurd/setregid.c
+++ b/sysdeps/mach/hurd/setregid.c
@@ -39,21 +39,47 @@ __setregid (gid_t rgid, gid_t egid)
/* Make a new auth handle which has RGID as the real gid,
and EGID as the first element in the list of effective gids. */
- size_t ngen = _hurd_id.gen.ngids < 1 ? 1 : _hurd_id.gen.ngids;
- size_t naux = _hurd_id.aux.ngids < 1 ? 1 : _hurd_id.aux.ngids;
- gid_t newaux[naux], newgen[ngen];
+ gid_t *newgen, *newaux;
+ size_t ngen, naux;
- newgen[0] = egid;
- memcpy (&newgen[1], _hurd_id.gen.gids, (ngen - 1) * sizeof (gid_t));
- newaux[0] = rgid;
- memcpy (&newaux[1], _hurd_id.aux.gids, (naux - 1) * sizeof (gid_t));
+ newgen = _hurd_id.gen.gids;
+ ngen = _hurd_id.gen.ngids;
+ if (egid != -1)
+ {
+ if (_hurd_id.gen.ngids == 0)
+ {
+ /* No effective gids now. The new set will be just GID. */
+ newgen = &egid;
+ ngen = 1;
+ }
+ else
+ {
+ _hurd_id.gen.gids[0] = egid;
+ _hurd_id.valid = 0;
+ }
+ }
+
+ newaux = _hurd_id.aux.gids;
+ naux = _hurd_id.aux.ngids;
+ if (rgid != -1)
+ {
+ if (_hurd_id.aux.ngids == 0)
+ {
+ newaux = &rgid;
+ naux = 1;
+ }
+ else
+ {
+ _hurd_id.aux.gids[0] = rgid;
+ _hurd_id.valid = 0;
+ }
+ }
err = __USEPORT (AUTH, __auth_makeauth
(port, NULL, MACH_MSG_TYPE_COPY_SEND, 0,
- _hurd_id.gen.gids, _hurd_id.gen.ngids,
- _hurd_id.aux.gids, _hurd_id.aux.ngids,
- newgen, ngen,
- newaux, naux,
+ _hurd_id.gen.uids, _hurd_id.gen.nuids,
+ _hurd_id.aux.uids, _hurd_id.aux.nuids,
+ newgen, ngen, newaux, naux,
&newauth));
}
__mutex_unlock (&_hurd_id.lock);
diff --git a/sysdeps/mach/hurd/setreuid.c b/sysdeps/mach/hurd/setreuid.c
index 1dcbf0ee82..530e4a20c7 100644
--- a/sysdeps/mach/hurd/setreuid.c
+++ b/sysdeps/mach/hurd/setreuid.c
@@ -39,19 +39,45 @@ __setreuid (uid_t ruid, uid_t euid)
/* Make a new auth handle which has RUID as the real uid,
and EUID as the first element in the list of effective uids. */
- size_t ngen = _hurd_id.gen.nuids < 1 ? 1 : _hurd_id.gen.nuids;
- size_t naux = _hurd_id.aux.nuids < 1 ? 1 : _hurd_id.aux.nuids;
- uid_t newaux[naux], newgen[ngen];
+ uid_t *newgen, *newaux;
+ size_t ngen, naux;
- newgen[0] = euid;
- memcpy (&newgen[1], _hurd_id.gen.uids, (ngen - 1) * sizeof (uid_t));
- newaux[0] = ruid;
- memcpy (&newaux[1], _hurd_id.aux.uids, (naux - 1) * sizeof (uid_t));
+ newgen = _hurd_id.gen.uids;
+ ngen = _hurd_id.gen.nuids;
+ if (euid != -1)
+ {
+ if (_hurd_id.gen.nuids == 0)
+ {
+ /* No effective uids now. The new set will be just UID. */
+ newgen = &euid;
+ ngen = 1;
+ }
+ else
+ {
+ _hurd_id.gen.uids[0] = euid;
+ _hurd_id.valid = 0;
+ }
+ }
+
+ newaux = _hurd_id.aux.uids;
+ naux = _hurd_id.aux.nuids;
+ if (ruid != -1)
+ {
+ if (_hurd_id.aux.nuids == 0)
+ {
+ newaux = &ruid;
+ naux = 1;
+ }
+ else
+ {
+ _hurd_id.aux.uids[0] = ruid;
+ _hurd_id.valid = 0;
+ }
+ }
err = __USEPORT (AUTH, __auth_makeauth
(port, NULL, MACH_MSG_TYPE_COPY_SEND, 0,
- newgen, ngen,
- newaux, naux,
+ newgen, ngen, newaux, naux,
_hurd_id.gen.gids, _hurd_id.gen.ngids,
_hurd_id.aux.gids, _hurd_id.aux.ngids,
&newauth));
diff --git a/sysdeps/mach/hurd/setuid.c b/sysdeps/mach/hurd/setuid.c
index 70d5ba4456..586ad2154f 100644
--- a/sysdeps/mach/hurd/setuid.c
+++ b/sysdeps/mach/hurd/setuid.c
@@ -43,20 +43,43 @@ DEFUN(__setuid, (uid), uid_t uid)
/* Make a new auth handle which has UID as the real uid,
and as the first element in the list of effective uids. */
- uid_t newgen[_hurd_id.gen.nuids + 1];
- uid_t newaux[_hurd_id.aux.nuids];
-
- newgen[0] = uid;
- memcpy (&newgen[1], _hurd_id.gen.uids,
- _hurd_id.gen.nuids * sizeof (uid_t));
- newaux[0] = uid;
- memcpy (&newaux[1], _hurd_id.aux.uids + 1,
- (_hurd_id.aux.nuids - 1) * sizeof (uid_t));
+ uid_t *newgen, *newaux, auxbuf[2];
+ size_t ngen, naux;
+
+ newaux = _hurd_id.aux.uids;
+ naux = _hurd_id.aux.nuids;
+ if (_hurd_id.gen.nuids == 0)
+ {
+ /* No effective uids now. The new set will be just UID. */
+ newgen = &uid;
+ ngen = 1;
+ }
+ else if (_hurd_id.gen.uids[0] == 0)
+ {
+ /* We are root; set the effective, real, and saved to UID. */
+ _hurd_id.gen.uids[0] = uid;
+ _hurd_id.valid = 0;
+ newgen = _hurd_id.gen.uids;
+ ngen = _hurd_id.gen.nuids;
+ if (_hurd_id.aux.nuids < 2)
+ {
+ newaux = auxbuf;
+ naux = 2;
+ }
+ _hurd_id.aux.uids[0] = _hurd_id.aux.uids[1] = uid;
+ }
+ else
+ {
+ /* We are not root; just change the effective UID. */
+ _hurd_id.gen.uids[0] = uid;
+ _hurd_id.valid = 0;
+ newgen = _hurd_id.gen.uids;
+ ngen = _hurd_id.gen.nuids;
+ }
err = __USEPORT (AUTH, __auth_makeauth
(port, NULL, MACH_MSG_TYPE_COPY_SEND, 0,
- newgen, 1 + _hurd_id.gen.nuids,
- newaux, _hurd_id.aux.nuids,
+ newgen, ngen, newaux, naux,
_hurd_id.gen.gids, _hurd_id.gen.ngids,
_hurd_id.aux.gids, _hurd_id.aux.ngids,
&newauth));
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-18 10:22:47 +0000