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authorEmilio Pozuelo Monfort <pochu27@gmail.com>2010-05-26 00:15:37 +0200
committerSamuel Thibault <samuel.thibault@ens-lyon.org>2018-01-08 22:40:18 +0100
commit67fa50fb8f0a6894e5ed6534936afb8044e66613 (patch)
tree1097db000b7c9520a67a0f07b481cc487585a895 /exec/hashexec.c
parent6868c17b7def25beb69e7b685496e078340d8b12 (diff)
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Add a new exec_exec_paths RPC
* hurd/exec.defs (exec_exec): Label as deprecated. (exec_exec_paths): New RPC. * doc/hurd.texi: Update accordingly. * exec/hashexec.c (check_hashbang): Add file_name_exec argument. Don't guess the file name if file_name_exec is set. * exec/priv.h (check_hashbang): Add path argument. * exec/exec.c (S_exec_exec): Label as deprecated. (S_exec_exec_paths): New function. (do_exec): Add path and abspath arguments, pass path to check_hashbang.
Diffstat (limited to 'exec/hashexec.c')
-rw-r--r--exec/hashexec.c18
1 files changed, 12 insertions, 6 deletions
diff --git a/exec/hashexec.c b/exec/hashexec.c
index 68b48816..e8e94844 100644
--- a/exec/hashexec.c
+++ b/exec/hashexec.c
@@ -1,5 +1,6 @@
/* GNU Hurd standard exec server, #! script execution support.
- Copyright (C) 1995,96,97,98,99,2000,02 Free Software Foundation, Inc.
+ Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2002, 2010
+ Free Software Foundation, Inc.
Written by Roland McGrath.
This file is part of the GNU Hurd.
@@ -35,6 +36,7 @@ check_hashbang (struct execdata *e,
file_t file,
task_t oldtask,
int flags,
+ char *file_name_exec,
char *argv, u_int argvlen, boolean_t argv_copy,
char *envp, u_int envplen, boolean_t envp_copy,
mach_port_t *dtable, u_int dtablesize, boolean_t dtable_copy,
@@ -227,10 +229,12 @@ check_hashbang (struct execdata *e,
file_name = NULL;
else if (! (flags & EXEC_SECURE))
{
- /* Try to figure out the file's name. We guess that if ARGV[0]
- contains a slash, it might be the name of the file; and that
- if it contains no slash, looking for files named by ARGV[0] in
- the `PATH' environment variable might find it. */
+ /* Try to figure out the file's name. If FILE_NAME_EXEC
+ is not NULL, then it's the file's name. Otherwise we
+ guess that if ARGV[0] contains a slash, it might be
+ the name of the file; and that if it contains no slash,
+ looking for files named by ARGV[0] in the `PATH'
+ environment variable might find it. */
error_t error;
char *name;
@@ -280,7 +284,9 @@ check_hashbang (struct execdata *e,
else
name = argv;
- if (strchr (name, '/') != NULL)
+ if (file_name_exec && file_name_exec[0] != '\0')
+ error = lookup (name = file_name_exec, 0, &name_file);
+ else if (strchr (name, '/') != NULL)
error = lookup (name, 0, &name_file);
else if ((error = hurd_catch_signal
(sigmask (SIGBUS) | sigmask (SIGSEGV),