X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Flanguage%2Futilities%2Fpermissions.c;h=8b0e3f0c31926862e1135464460a30fccee3ca50;hb=9ade26c8349b4434008c46cf09bc7473ec743972;hp=bce2194a83dcd603ffc12ccc7ec5064579ea24b1;hpb=3816248a008a4af75aac6319d0c9929cb7ff679e;p=pspp-builds.git diff --git a/src/language/utilities/permissions.c b/src/language/utilities/permissions.c index bce2194a..8b0e3f0c 100644 --- a/src/language/utilities/permissions.c +++ b/src/language/utilities/permissions.c @@ -1,36 +1,34 @@ -/* PSPP - computes sample statistics. - Copyright (C) 2004 Free Software Foundation, Inc. - Author: John Darrington +/* PSPP - a program for statistical analysis. + Copyright (C) 2004, 2010, 2011 Free Software Foundation, Inc. - 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 of the - License, or (at your option) any later version. + 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 3 of the License, 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. + 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., 51 Franklin Street, Fifth Floor, Boston, MA - 02110-1301, USA. */ + along with this program. If not, see . */ #include -#include + +#include #include -#include #include +#include #include -#include -#include -#include -#include -#include -#include -#include "stat-macros.h" -#include + +#include "data/settings.h" +#include "language/command.h" +#include "language/lexer/lexer.h" +#include "libpspp/i18n.h" +#include "libpspp/message.h" +#include "libpspp/misc.h" +#include "libpspp/str.h" #include "gettext.h" #define _(msgid) gettext (msgid) @@ -46,30 +44,33 @@ cmd_permissions (struct lexer *lexer, struct dataset *ds UNUSED) { char *fn = 0; - lex_match (lexer, '/'); + lex_match (lexer, T_SLASH); if (lex_match_id (lexer, "FILE")) - lex_match (lexer, '='); + lex_match (lexer, T_EQUALS); + + if (!lex_force_string (lexer)) + return CMD_FAILURE; - fn = ds_xstrdup (lex_tokstr (lexer)); + fn = ss_xstrdup (lex_tokss (lexer)); lex_force_match (lexer, T_STRING); - lex_match (lexer, '/'); - + lex_match (lexer, T_SLASH); + if ( ! lex_match_id (lexer, "PERMISSIONS")) goto error; - lex_match (lexer, '='); + lex_match (lexer, T_EQUALS); if ( lex_match_id (lexer, "READONLY")) { - if ( ! change_permissions(fn, PER_RO ) ) + if ( ! change_permissions(fn, PER_RO ) ) goto error; } else if ( lex_match_id (lexer, "WRITEABLE")) { - if ( ! change_permissions(fn, PER_RW ) ) + if ( ! change_permissions(fn, PER_RW ) ) goto error; } else @@ -92,37 +93,43 @@ cmd_permissions (struct lexer *lexer, struct dataset *ds UNUSED) int -change_permissions(const char *file_name, enum PER per) +change_permissions (const char *file_name, enum PER per) { + char *locale_file_name; struct stat buf; mode_t mode; - if (get_safer_mode ()) + if (settings_get_safer_mode ()) { msg (SE, _("This command not allowed when the SAFER option is set.")); - return CMD_FAILURE; + return 0; } - if ( -1 == stat(file_name, &buf) ) + locale_file_name = utf8_to_filename (file_name); + if ( -1 == stat(locale_file_name, &buf) ) { const int errnum = errno; msg (SE, _("Cannot stat %s: %s"), file_name, strerror(errnum)); + free (locale_file_name); return 0; } if ( per == PER_RW ) - mode = buf.st_mode | S_IWUSR ; + mode = buf.st_mode | 0200; else - mode = buf.st_mode & ~( S_IWOTH | S_IWUSR | S_IWGRP ); + mode = buf.st_mode & ~0222; - if ( -1 == chmod(file_name, mode)) + if ( -1 == chmod(locale_file_name, mode)) { const int errnum = errno; msg (SE, _("Cannot change mode of %s: %s"), file_name, strerror(errnum)); + free (locale_file_name); return 0; } + free (locale_file_name); + return 1; }