diff options
Diffstat (limited to 'trans/symlink.c')
| -rw-r--r-- | trans/symlink.c | 97 |
1 files changed, 62 insertions, 35 deletions
diff --git a/trans/symlink.c b/trans/symlink.c index d8495f8b..03b51003 100644 --- a/trans/symlink.c +++ b/trans/symlink.c @@ -1,5 +1,5 @@ /* Translator for S_IFLNK nodes - Copyright (C) 1994 Free Software Foundation + Copyright (C) 1994, 2000, 2001, 2002 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 @@ -17,8 +17,14 @@ #include <hurd.h> #include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <argp.h> #include <hurd/fsys.h> #include <fcntl.h> +#include <errno.h> +#include <error.h> +#include <version.h> #include "fsys_S.h" mach_port_t realnode; @@ -31,37 +37,64 @@ char *linktarget; extern int fsys_server (mach_msg_header_t *, mach_msg_header_t *); +const char *argp_program_version = STANDARD_HURD_VERSION (symlink); + +static const struct argp_option options[] = + { + { 0 } + }; + +static const char args_doc[] = "TARGET"; +static const char doc[] = "A translator for symlinks." +"\vA symlink is an alias for another node in the filesystem." +"\n" +"\nA symbolic link refers to its target `by name', and contains no actual" +" reference to the target. The target referenced by the symlink is" +" looked up in the namespace of the client."; + +/* Parse a single option/argument. */ +static error_t +parse_opt (int key, char *arg, struct argp_state *state) +{ + if (key == ARGP_KEY_ARG && state->arg_num == 0) + linktarget = arg; + else if (key == ARGP_KEY_ARG || key == ARGP_KEY_NO_ARGS) + argp_usage (state); + else + return ARGP_ERR_UNKNOWN; + return 0; +} + +static struct argp argp = { options, parse_opt, args_doc, doc }; + + int main (int argc, char **argv) { mach_port_t bootstrap; mach_port_t control; - error_t error; - + error_t err; + + /* Parse our options... */ + argp_parse (&argp, argc, argv, 0, 0, 0); + task_get_bootstrap_port (mach_task_self (), &bootstrap); if (bootstrap == MACH_PORT_NULL) - { - fprintf (stderr, "%s must be started as a translator\n", argv[0]); - exit (1); - } - - if (argc != 2) - { - fprintf (stderr, "Usage: %s link-target\n", argv[0]); - exit (1); - } + error (1, 0, "Must be started as a translator"); linktarget = argv[1]; /* Reply to our parent */ mach_port_allocate (mach_task_self (), MACH_PORT_RIGHT_RECEIVE, &control); - error = - fsys_startup (bootstrap, 0, control, MACH_MSG_TYPE_MAKE_SEND, &realnode); - if (error) - { - perror ("Starting up translator"); - exit (1); - } + mach_port_insert_right (mach_task_self (), control, control, + MACH_MSG_TYPE_MAKE_SEND); + err = + fsys_startup (bootstrap, 0, control, MACH_MSG_TYPE_COPY_SEND, &realnode); + mach_port_deallocate (mach_task_self (), control); + mach_port_deallocate (mach_task_self (), bootstrap); + if (err) + error (1, err, "Starting up translator"); + io_restrict_auth (realnode, &realnodenoauth, 0, 0, 0, 0); mach_port_deallocate (mach_task_self (), realnode); @@ -69,9 +102,9 @@ main (int argc, char **argv) while (1) { /* The timeout here is 10 minutes */ - error = mach_msg_server_timeout (fsys_server, 0, control, - MACH_RCV_TIMEOUT, 1000 * 60 * 10); - if (error == MACH_RCV_TIMED_OUT) + err = mach_msg_server_timeout (fsys_server, 0, control, + MACH_RCV_TIMEOUT, 1000 * 60 * 10); + if (err == MACH_RCV_TIMED_OUT) exit (0); } } @@ -79,10 +112,8 @@ main (int argc, char **argv) error_t S_fsys_getroot (mach_port_t fsys_t, mach_port_t dotdotnode, - uid_t *uids, - u_int nuids, - uid_t *gids, - u_int ngids, + uid_t *uids, size_t nuids, + uid_t *gids, size_t ngids, int flags, retry_type *do_retry, char *retry_name, @@ -126,8 +157,7 @@ S_fsys_startup (mach_port_t bootstrap, int flags, mach_port_t control, } error_t -S_fsys_goaway (mach_port_t control, - int flags) +S_fsys_goaway (mach_port_t control, int flags) { exit (0); } @@ -157,12 +187,9 @@ S_fsys_get_options (mach_port_t control, error_t S_fsys_getfile (mach_port_t control, - uid_t *uids, - u_int nuids, - uid_t *gids, - u_int ngids, - char *handle, - u_int handllen, + uid_t *uids, size_t nuids, + uid_t *gids, size_t ngids, + char *handle, size_t handllen, mach_port_t *pt, mach_msg_type_name_t *pttype) { |