diff options
author | Thomas Bushnell <thomas@gnu.org> | 1996-11-13 00:21:56 +0000 |
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committer | Thomas Bushnell <thomas@gnu.org> | 1996-11-13 00:21:56 +0000 |
commit | fc0e2647c036addc727aa347af734f1f33a258f1 (patch) | |
tree | c3ab40d609abd748f2600cabe7f159b2fce3cb64 | |
parent | e881d19bded1191cf1157b212e1007ba80892e26 (diff) |
Wed Nov 6 19:26:14 1996 Thomas Bushnell, n/BSG <thomas@gnu.ai.mit.edu>
* Makefile (SRCS): Add iouser-create.c, iouser-dup.c
iouser-reauth.c, and iouser-free.c.
(OBJS): Compute automatically.
* iohelp.h (iohelp_create_user): New function.
* iouser-create.c: New file.
Tue Nov 5 21:51:24 1996 Thomas Bushnell, n/BSG <thomas@gnu.ai.mit.edu>
* iohelp.h (struct iouser): New type.
(iohelp_dup_iouser, iohelp_free_iouser, iohelp_reauth): New
functions.
* iouser-dup.c, iouser-reauth.c, iouser-free.c: New files.
-rw-r--r-- | libiohelp/ChangeLog | 16 | ||||
-rw-r--r-- | libiohelp/Makefile | 6 | ||||
-rw-r--r-- | libiohelp/iohelp.h | 29 | ||||
-rw-r--r-- | libiohelp/iouser-create.c | 32 | ||||
-rw-r--r-- | libiohelp/iouser-dup.c | 50 | ||||
-rw-r--r-- | libiohelp/iouser-free.c | 28 | ||||
-rw-r--r-- | libiohelp/iouser-reauth.c | 104 |
7 files changed, 262 insertions, 3 deletions
diff --git a/libiohelp/ChangeLog b/libiohelp/ChangeLog index e70d5d14..a4dce1f8 100644 --- a/libiohelp/ChangeLog +++ b/libiohelp/ChangeLog @@ -1,3 +1,19 @@ +Wed Nov 6 19:26:14 1996 Thomas Bushnell, n/BSG <thomas@gnu.ai.mit.edu> + + * Makefile (SRCS): Add iouser-create.c, iouser-dup.c + iouser-reauth.c, and iouser-free.c. + (OBJS): Compute automatically. + + * iohelp.h (iohelp_create_user): New function. + * iouser-create.c: New file. + +Tue Nov 5 21:51:24 1996 Thomas Bushnell, n/BSG <thomas@gnu.ai.mit.edu> + + * iohelp.h (struct iouser): New type. + (iohelp_dup_iouser, iohelp_free_iouser, iohelp_reauth): New + functions. + * iouser-dup.c, iouser-reauth.c, iouser-free.c: New files. + Thu Sep 12 16:18:46 1996 Thomas Bushnell, n/BSG <thomas@gnu.ai.mit.edu> * Makefile (HURDLIBS): New variable. diff --git a/libiohelp/Makefile b/libiohelp/Makefile index 9202f9e8..61d20aa9 100644 --- a/libiohelp/Makefile +++ b/libiohelp/Makefile @@ -19,9 +19,9 @@ dir := libiohelp makemode := library SRCS = get_conch.c handle_io_get_conch.c handle_io_release_conch.c \ - initialize_conch.c verify_user_conch.c -OBJS = get_conch.o handle_io_get_conch.o handle_io_release_conch.o \ - initialize_conch.o verify_user_conch.o + initialize_conch.c verify_user_conch.c iouser-create.c \ + iouser-dup.c iouser-reauth.c iouser-free.c +OBJS = $(SRCS:.c=.o) LCLHDRS = iohelp.h HURDLIBS = threads libname = libiohelp diff --git a/libiohelp/iohelp.h b/libiohelp/iohelp.h index 2897653d..f4a8615e 100644 --- a/libiohelp/iohelp.h +++ b/libiohelp/iohelp.h @@ -64,4 +64,33 @@ void iohelp_fetch_shared_data (void *); void iohelp_put_shared_data (void *); + +/* User identification */ + +struct iouser +{ + struct idvec *uids, *gids; + void *hook; /* Never used by iohelp library */ +}; + +/* Return a copy of IOUSER. */ +struct iouser *iohelp_dup_iouser (struct iouser *iouser); + +/* Free a reference to IOUSER. */ +void iohelp_free_iouser (struct iouser *iouser); + +/* Create a new IOUSER for the specified idvecs */ +struc iouser *iohelp_create_iouser (struct idvec *uids, struct idvec *gids); + +/* Conduct a reauthentication transaction, returning a new iouser. + AUTHSERVER is the I/O servers auth port. The rendezvous port + provided by the user is REND_PORT. If the transaction cannot be + completed, return zero, unless PERMIT_FAILURE is non-zero. If + PERMIT_FAILURE is nonzero, then should the transaction fail, return + an iouser that has no ids. The new port to be sent to the user is + newright. */ +struct iouser *iohelp_reauth (auth_t authserver, mach_port_t rend_port, + mach_port_t newright, int permit_failure); + + #endif diff --git a/libiohelp/iouser-create.c b/libiohelp/iouser-create.c new file mode 100644 index 00000000..69b9f7e1 --- /dev/null +++ b/libiohelp/iouser-create.c @@ -0,0 +1,32 @@ +/* + Copyright (C) 1996 Free Software Foundation + + This program is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + This program is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#include "iohelp.h" + +struct iouser * +iohelp_create_iouser (struct idvec *uids, struct idvec *gids) +{ + struct iouser *new; + new = malloc (sizeof (struct iouser)); + if (!new) + return 0; + + new->uids = uids; + new->gids = gids; + return new; +} + diff --git a/libiohelp/iouser-dup.c b/libiohelp/iouser-dup.c new file mode 100644 index 00000000..f6839ac2 --- /dev/null +++ b/libiohelp/iouser-dup.c @@ -0,0 +1,50 @@ +/* + Copyright (C) 1996 Free Software Foundation + + This program is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + This program is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#include "iohelp.h" + +struct iouser * +iohelp_dup_iouser (struct iouser *iouser) +{ + struct iouser *new; + error_t err = 0; + + new = malloc (sizeof (struct iouser)); + if (!new) + return 0; + + new->uids = make_idvec (); + new->gids = make_idvec (); + if (!new->uids || !new->gids) + goto lose; + + err = idvec_set (new->uids, iouser->uids); + if (!err) + err = idvec_set (new->gids, iouser->gids); + + if (err) + { + lose: + if (new->uids) + idvec_free (new->uids); + if (new->gids) + idvec_free (new->gids); + free (new); + return 0; + } + return new; +} diff --git a/libiohelp/iouser-free.c b/libiohelp/iouser-free.c new file mode 100644 index 00000000..4cfdc954 --- /dev/null +++ b/libiohelp/iouser-free.c @@ -0,0 +1,28 @@ +/* + Copyright (C) 1996 Free Software Foundation + + This program is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + This program is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#include "iohelp.h" + +void +iohelp_free_iouser (struct iouser *iouser) +{ + idvec_free (iouser->uids); + idvec_free (iouser->gids); + free (iouser); +} + + diff --git a/libiohelp/iouser-reauth.c b/libiohelp/iouser-reauth.c new file mode 100644 index 00000000..d4b67ff6 --- /dev/null +++ b/libiohelp/iouser-reauth.c @@ -0,0 +1,104 @@ +/* + Copyright (C) 1996 Free Software Foundation + + This program is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + This program is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#include "iohelp.h" + +/* Conduct a reauthentication transaction, returning a new iouser. + AUTHSERVER is the I/O servers auth port. The rendezvous port + provided by the user is REND_PORT. If the transaction cannot be + completed, return zero, unless PERMIT_FAILURE is non-zero. If + PERMIT_FAILURE is nonzero, then should the transaction fail, return + an iouser that has no ids. The new port to be sent to the user is + newright. */ +struct iouser *iohelp_reauth (auth_t authserver, mach_port_t rend_port, + mach_port_t newright, int permit_failure) +{ + uid_t gubuf[20], ggbuf[20], aubuf[20], agbuf[20]; + uid_t *gen_uids, *gen_gids, *aux_uids, *aux_gids; + u_int genuidlen, gengidlen, auxuidlen, auxgidlen; + error_t err; + struct iouser *new; + + new = malloc (sizeof (struct iouser)); + if (!new) + return 0; + + new->uids = make_idvec (); + new->gids = make_idvec (); + if (!new->uids || !new->gids) + { + if (new->uids) + idvec_free (new->uids); + if (new->gids) + idvec_free (new->gids); + free (new); + return 0; + } + + genuidlen = gengidlen = auxuidlen = auxgidlen = 20; + gen_uids = gubuf; + gen_gids = ggbuf; + aux_uids = aubuf; + aux_gids = agbuf; + + do + err = auth_server_authenticate (authserver, + rend_port, + MACH_MSG_TYPE_COPY_SEND, + newright, + MACH_MSG_TYPE_COPY_SEND, + &gen_uids, &genuidlen, + &aux_uids, &auxuidlen, + &gen_gids, &gengidlen, + &aux_gids, &auxgidlen); + while (err == EINTR); + + if (err) + { + if (permit_failure) + genuidlen = gengidlen = 0; + else + goto out; + } + + err = idvec_set_ids (new->uids, gen_uids, genuidlen); + if (!err) + err = idvec_set_ids (new->gids, gen_gids, gengidlen); + + if (gubuf != gen_uids) + vm_deallocate (mach_task_self (), (u_int) gen_uids, + genuidlen * sizeof (uid_t)); + if (ggbuf != gen_gids) + vm_deallocate (mach_task_self (), (u_int) gen_gids, + gengidlen * sizeof (uid_t)); + if (aubuf != aux_uids) + vm_deallocate (mach_task_self (), (u_int) aux_uids, + auxuidlen * sizeof (uid_t)); + if (agbuf != aux_gids) + vm_deallocate (mach_task_self (), (u_int) aux_gids, + auxgidlen * sizeof (uid_t)); + + if (err) + { + out: + idvec_free (new->uids); + idvec_free (new->gids); + free (new); + return 0; + } + return new; +} |