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d8448636b4
If the user provided source_fds set contains internal fds, this is a programmer mistake. We can avoid further damage by preventing this situation. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
140 lines
2.8 KiB
C
140 lines
2.8 KiB
C
/* gspawn.c - Process launching
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*
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* Copyright 2000 Red Hat, Inc.
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* g_execvpe implementation based on GNU libc execvp:
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* Copyright 1991, 92, 95, 96, 97, 98, 99 Free Software Foundation, Inc.
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*
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* SPDX-License-Identifier: LGPL-2.1-or-later
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this library; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <errno.h>
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#include "glibintl.h"
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#include "gspawn.h"
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static inline gint
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_g_spawn_exec_err_to_g_error (gint en)
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{
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switch (en)
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{
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#ifdef EACCES
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case EACCES:
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return G_SPAWN_ERROR_ACCES;
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#endif
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#ifdef EPERM
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case EPERM:
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return G_SPAWN_ERROR_PERM;
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#endif
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#ifdef E2BIG
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case E2BIG:
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return G_SPAWN_ERROR_TOO_BIG;
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#endif
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#ifdef ENOEXEC
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case ENOEXEC:
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return G_SPAWN_ERROR_NOEXEC;
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#endif
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#ifdef ENAMETOOLONG
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case ENAMETOOLONG:
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return G_SPAWN_ERROR_NAMETOOLONG;
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#endif
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#ifdef ENOENT
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case ENOENT:
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return G_SPAWN_ERROR_NOENT;
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#endif
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#ifdef ENOMEM
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case ENOMEM:
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return G_SPAWN_ERROR_NOMEM;
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#endif
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#ifdef ENOTDIR
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case ENOTDIR:
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return G_SPAWN_ERROR_NOTDIR;
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#endif
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#ifdef ELOOP
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case ELOOP:
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return G_SPAWN_ERROR_LOOP;
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#endif
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#ifdef ETXTBUSY
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case ETXTBUSY:
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return G_SPAWN_ERROR_TXTBUSY;
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#endif
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#ifdef EIO
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case EIO:
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return G_SPAWN_ERROR_IO;
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#endif
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#ifdef ENFILE
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case ENFILE:
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return G_SPAWN_ERROR_NFILE;
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#endif
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#ifdef EMFILE
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case EMFILE:
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return G_SPAWN_ERROR_MFILE;
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#endif
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#ifdef EINVAL
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case EINVAL:
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return G_SPAWN_ERROR_INVAL;
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#endif
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#ifdef EISDIR
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case EISDIR:
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return G_SPAWN_ERROR_ISDIR;
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#endif
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#ifdef ELIBBAD
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case ELIBBAD:
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return G_SPAWN_ERROR_LIBBAD;
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#endif
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default:
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return G_SPAWN_ERROR_FAILED;
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}
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}
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static inline gboolean
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_g_spawn_invalid_source_fd (gint fd,
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const gint *source_fds,
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gsize n_fds,
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GError **error)
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{
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gsize i;
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for (i = 0; i < n_fds; i++)
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if (fd == source_fds[i])
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{
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g_set_error (error,
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G_SPAWN_ERROR,
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G_SPAWN_ERROR_INVAL,
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_("Invalid source FDs argument"));
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return TRUE;
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}
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return FALSE;
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}
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