1  /* gspawn.c - Process launching
       2   *
       3   *  Copyright 2000 Red Hat, Inc.
       4   *  g_execvpe implementation based on GNU libc execvp:
       5   *   Copyright 1991, 92, 95, 96, 97, 98, 99 Free Software Foundation, Inc.
       6   *
       7   * SPDX-License-Identifier: LGPL-2.1-or-later
       8   *
       9   * This library is free software; you can redistribute it and/or
      10   * modify it under the terms of the GNU Lesser General Public
      11   * License as published by the Free Software Foundation; either
      12   * version 2.1 of the License, or (at your option) any later version.
      13   *
      14   * This library is distributed in the hope that it will be useful,
      15   * but WITHOUT ANY WARRANTY; without even the implied warranty of
      16   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      17   * Lesser General Public License for more details.
      18   *
      19   * You should have received a copy of the GNU Lesser General Public License
      20   * along with this library; if not, see <http://www.gnu.org/licenses/>.
      21   */
      22  
      23  #include "config.h"
      24  
      25  #include <errno.h>
      26  
      27  #include "glibintl.h"
      28  #include "gspawn.h"
      29  
      30  static inline gint
      31  _g_spawn_exec_err_to_g_error (gint en)
      32  {
      33    switch (en)
      34      {
      35  #ifdef EACCES
      36      case EACCES:
      37        return G_SPAWN_ERROR_ACCES;
      38  #endif
      39  
      40  #ifdef EPERM
      41      case EPERM:
      42        return G_SPAWN_ERROR_PERM;
      43  #endif
      44  
      45  #ifdef E2BIG
      46      case E2BIG:
      47        return G_SPAWN_ERROR_TOO_BIG;
      48  #endif
      49  
      50  #ifdef ENOEXEC
      51      case ENOEXEC:
      52        return G_SPAWN_ERROR_NOEXEC;
      53  #endif
      54  
      55  #ifdef ENAMETOOLONG
      56      case ENAMETOOLONG:
      57        return G_SPAWN_ERROR_NAMETOOLONG;
      58  #endif
      59  
      60  #ifdef ENOENT
      61      case ENOENT:
      62        return G_SPAWN_ERROR_NOENT;
      63  #endif
      64  
      65  #ifdef ENOMEM
      66      case ENOMEM:
      67        return G_SPAWN_ERROR_NOMEM;
      68  #endif
      69  
      70  #ifdef ENOTDIR
      71      case ENOTDIR:
      72        return G_SPAWN_ERROR_NOTDIR;
      73  #endif
      74  
      75  #ifdef ELOOP
      76      case ELOOP:
      77        return G_SPAWN_ERROR_LOOP;
      78  #endif
      79  
      80  #ifdef ETXTBUSY
      81      case ETXTBUSY:
      82        return G_SPAWN_ERROR_TXTBUSY;
      83  #endif
      84  
      85  #ifdef EIO
      86      case EIO:
      87        return G_SPAWN_ERROR_IO;
      88  #endif
      89  
      90  #ifdef ENFILE
      91      case ENFILE:
      92        return G_SPAWN_ERROR_NFILE;
      93  #endif
      94  
      95  #ifdef EMFILE
      96      case EMFILE:
      97        return G_SPAWN_ERROR_MFILE;
      98  #endif
      99  
     100  #ifdef EINVAL
     101      case EINVAL:
     102        return G_SPAWN_ERROR_INVAL;
     103  #endif
     104  
     105  #ifdef EISDIR
     106      case EISDIR:
     107        return G_SPAWN_ERROR_ISDIR;
     108  #endif
     109  
     110  #ifdef ELIBBAD
     111      case ELIBBAD:
     112        return G_SPAWN_ERROR_LIBBAD;
     113  #endif
     114  
     115      default:
     116        return G_SPAWN_ERROR_FAILED;
     117      }
     118  }
     119  
     120  static inline gboolean
     121  _g_spawn_invalid_source_fd (gint         fd,
     122                              const gint  *source_fds,
     123                              gsize        n_fds,
     124                              GError     **error)
     125  {
     126    gsize i;
     127  
     128    for (i = 0; i < n_fds; i++)
     129      if (fd == source_fds[i])
     130        {
     131          g_set_error (error,
     132                       G_SPAWN_ERROR,
     133                       G_SPAWN_ERROR_INVAL,
     134                       _("Invalid source FDs argument"));
     135          return TRUE;
     136        }
     137  
     138    return FALSE;
     139  }