gio/glocalfileinfo.c

   1 /* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
   2
   3 /* GIO - GLib Input, Output and Streaming Library
   4  *
   5  * Copyright (C) 2006-2007 Red Hat, Inc.
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General
  18  * Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
  19  *
  20  * Author: Alexander Larsson <alexl@redhat.com>
  21  */
  22
  23 #include "config.h"
  24
  25 #include <glib.h>
  26
  27 #ifdef HAVE_SYS_TIME_H
  28 #include <sys/time.h>
  29 #endif
  30 #include <sys/types.h>
  31 #include <sys/stat.h>
  32 #include <string.h>
  33 #include <fcntl.h>
  34 #include <errno.h>
  35 #ifdef G_OS_UNIX
  36 #include <grp.h>
  37 #include <pwd.h>
  38 #endif
  39 #ifdef HAVE_SELINUX
  40 #include <selinux/selinux.h>
  41 #endif
  42
  43 #ifdef HAVE_XATTR
  44
  45 #if defined HAVE_SYS_XATTR_H
  46   #include <sys/xattr.h>
  47 #elif defined HAVE_ATTR_XATTR_H
  48   #include <attr/xattr.h>
  49 #else
  50   #error "Neither <sys/xattr.h> nor <attr/xattr.h> is present but extended attribute support is enabled."
  51 #endif /* defined HAVE_SYS_XATTR_H || HAVE_ATTR_XATTR_H */
  52
  53 #endif /* HAVE_XATTR */
  54
  55 #include <glib/gstdio.h>
  56 #include <gfileattribute-priv.h>
  57 #include <gfileinfo-priv.h>
  58 #include <gvfs.h>
  59
  60 #ifdef G_OS_UNIX
  61 #include <unistd.h>
  62 #include "glib-unix.h"
  63 #include "glib-private.h"
  64 #endif
  65
  66 #include "thumbnail-verify.h"
  67
  68 #ifdef G_OS_WIN32
  69 #include <windows.h>
  70 #include <io.h>
  71 #ifndef W_OK
  72 #define W_OK 2
  73 #endif
  74 #ifndef R_OK
  75 #define R_OK 4
  76 #endif
  77 #ifndef X_OK
  78 #define X_OK 0 /* not really */
  79 #endif
  80 #ifndef S_ISREG
  81 #define S_ISREG(m) (((m) & _S_IFMT) == _S_IFREG)
  82 #endif
  83 #ifndef S_ISDIR
  84 #define S_ISDIR(m) (((m) & _S_IFMT) == _S_IFDIR)
  85 #endif
  86 #ifndef S_IXUSR
  87 #define S_IXUSR _S_IEXEC
  88 #endif
  89 #endif
  90
  91 #include "glocalfileinfo.h"
  92 #include "gioerror.h"
  93 #include "gthemedicon.h"
  94 #include "gcontenttypeprivate.h"
  95 #include "glibintl.h"
  96
  97
  98 struct ThumbMD5Context {
  99         guint32 buf[4];
 100         guint32 bits[2];
 101         unsigned char in[64];
 102 };
 103
 104 #ifndef G_OS_WIN32
 105
 106 typedef struct {
 107   char *user_name;
 108   char *real_name;
 109 } UidData;
 110
 111 G_LOCK_DEFINE_STATIC (uid_cache);
 112 static GHashTable *uid_cache = NULL;
 113
 114 G_LOCK_DEFINE_STATIC (gid_cache);
 115 static GHashTable *gid_cache = NULL;
 116
 117 #endif  /* !G_OS_WIN32 */
 118
 119 char *
 120 _g_local_file_info_create_etag (GLocalFileStat *statbuf)
 121 {
 122   glong sec, usec;
 123
 124   sec = statbuf->st_mtime;
 125 #if defined (HAVE_STRUCT_STAT_ST_MTIMENSEC)
 126   usec = statbuf->st_mtimensec / 1000;
 127 #elif defined (HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC)
 128   usec = statbuf->st_mtim.tv_nsec / 1000;
 129 #else
 130   usec = 0;
 131 #endif
 132
 133   return g_strdup_printf ("%lu:%lu", sec, usec);
 134 }
 135
 136 static char *
 137 _g_local_file_info_create_file_id (GLocalFileStat *statbuf)
 138 {
 139   return g_strdup_printf ("l%" G_GUINT64_FORMAT ":%" G_GUINT64_FORMAT,
 140                           (guint64) statbuf->st_dev,
 141                           (guint64) statbuf->st_ino);
 142 }
 143
 144 static char *
 145 _g_local_file_info_create_fs_id (GLocalFileStat *statbuf)
 146 {
 147   return g_strdup_printf ("l%" G_GUINT64_FORMAT,
 148                           (guint64) statbuf->st_dev);
 149 }
 150
 151
 152 #ifdef S_ISLNK
 153
 154 static gchar *
 155 read_link (const gchar *full_name)
 156 {
 157 #ifdef HAVE_READLINK
 158   gchar *buffer;
 159   guint size;
 160
 161   size = 256;
 162   buffer = g_malloc (size);
 163
 164   while (1)
 165     {
 166       int read_size;
 167
 168       read_size = readlink (full_name, buffer, size);
 169       if (read_size < 0)
 170         {
 171           g_free (buffer);
 172           return NULL;
 173         }
 174       if (read_size < size)
 175         {
 176           buffer[read_size] = 0;
 177           return buffer;
 178         }
 179       size *= 2;
 180       buffer = g_realloc (buffer, size);
 181     }
 182 #else
 183   return NULL;
 184 #endif
 185 }
 186
 187 #endif  /* S_ISLNK */
 188
 189 #ifdef HAVE_SELINUX
 190 /* Get the SELinux security context */
 191 static void
 192 get_selinux_context (const char            *path,
 193                      GFileInfo             *info,
 194                      GFileAttributeMatcher *attribute_matcher,
 195                      gboolean               follow_symlinks)
 196 {
 197   char *context;
 198
 199   if (!_g_file_attribute_matcher_matches_id (attribute_matcher, G_FILE_ATTRIBUTE_ID_SELINUX_CONTEXT))
 200     return;
 201
 202   if (is_selinux_enabled ())
 203     {
 204       if (follow_symlinks)
 205         {
 206           if (lgetfilecon_raw (path, &context) < 0)
 207             return;
 208         }
 209       else
 210         {
 211           if (getfilecon_raw (path, &context) < 0)
 212             return;
 213         }
 214
 215       if (context)
 216         {
 217           _g_file_info_set_attribute_string_by_id (info, G_FILE_ATTRIBUTE_ID_SELINUX_CONTEXT, context);
 218           freecon (context);
 219         }
 220     }
 221 }
 222 #endif
 223
 224 #ifdef HAVE_XATTR
 225
 226 /* Wrappers to hide away differences between (Linux) getxattr/lgetxattr and
 227  * (Mac) getxattr(..., XATTR_NOFOLLOW)
 228  */
 229 #ifdef HAVE_XATTR_NOFOLLOW
 230 #define g_fgetxattr(fd,name,value,size)  fgetxattr(fd,name,value,size,0,0)
 231 #define g_flistxattr(fd,name,size)       flistxattr(fd,name,size,0)
 232 #define g_setxattr(path,name,value,size) setxattr(path,name,value,size,0,0)
 233 #else
 234 #define g_fgetxattr     fgetxattr
 235 #define g_flistxattr    flistxattr
 236 #define g_setxattr(path,name,value,size) setxattr(path,name,value,size,0)
 237 #endif
 238
 239 static ssize_t
 240 g_getxattr (const char *path, const char *name, void *value, size_t size,
 241             gboolean follow_symlinks)
 242 {
 243 #ifdef HAVE_XATTR_NOFOLLOW
 244   return getxattr (path, name, value, size, 0, follow_symlinks ? 0 : XATTR_NOFOLLOW);
 245 #else
 246   if (follow_symlinks)
 247     return getxattr (path, name, value, size);
 248   else
 249     return lgetxattr (path, name, value, size);
 250 #endif
 251 }
 252
 253 static ssize_t
 254 g_listxattr(const char *path, char *namebuf, size_t size,
 255             gboolean follow_symlinks)
 256 {
 257 #ifdef HAVE_XATTR_NOFOLLOW
 258   return listxattr (path, namebuf, size, follow_symlinks ? 0 : XATTR_NOFOLLOW);
 259 #else
 260   if (follow_symlinks)
 261     return listxattr (path, namebuf, size);
 262   else
 263     return llistxattr (path, namebuf, size);
 264 #endif
 265 }
 266
 267 static gboolean
 268 valid_char (char c)
 269 {
 270   return c >= 32 && c <= 126 && c != '\\';
 271 }
 272
 273 static gboolean
 274 name_is_valid (const char *str)
 275 {
 276   while (*str)
 277     {
 278       if (!valid_char (*str++))
 279         return FALSE;
 280     }
 281   return TRUE;
 282 }
 283
 284 static char *
 285 hex_escape_string (const char *str,
 286                    gboolean   *free_return)
 287 {
 288   int num_invalid, i;
 289   char *escaped_str, *p;
 290   unsigned char c;
 291   static char *hex_digits = "0123456789abcdef";
 292   int len;
 293
 294   len = strlen (str);
 295
 296   num_invalid = 0;
 297   for (i = 0; i < len; i++)
 298     {
 299       if (!valid_char (str[i]))
 300         num_invalid++;
 301     }
 302
 303   if (num_invalid == 0)
 304     {
 305       *free_return = FALSE;
 306       return (char *)str;
 307     }
 308
 309   escaped_str = g_malloc (len + num_invalid*3 + 1);
 310
 311   p = escaped_str;
 312   for (i = 0; i < len; i++)
 313     {
 314       if (valid_char (str[i]))
 315         *p++ = str[i];
 316       else
 317         {
 318           c = str[i];
 319           *p++ = '\\';
 320           *p++ = 'x';
 321           *p++ = hex_digits[(c >> 4) & 0xf];
 322           *p++ = hex_digits[c & 0xf];
 323         }
 324     }
 325   *p = 0;
 326
 327   *free_return = TRUE;
 328   return escaped_str;
 329 }
 330
 331 static char *
 332 hex_unescape_string (const char *str,
 333                      int        *out_len,
 334                      gboolean   *free_return)
 335 {
 336   int i;
 337   char *unescaped_str, *p;
 338   unsigned char c;
 339   int len;
 340
 341   len = strlen (str);
 342
 343   if (strchr (str, '\\') == NULL)
 344     {
 345       if (out_len)
 346         *out_len = len;
 347       *free_return = FALSE;
 348       return (char *)str;
 349     }
 350
 351   unescaped_str = g_malloc (len + 1);
 352
 353   p = unescaped_str;
 354   for (i = 0; i < len; i++)
 355     {
 356       if (str[i] == '\\' &&
 357           str[i+1] == 'x' &&
 358           len - i >= 4)
 359         {
 360           c =
 361             (g_ascii_xdigit_value (str[i+2]) << 4) |
 362             g_ascii_xdigit_value (str[i+3]);
 363           *p++ = c;
 364           i += 3;
 365         }
 366       else
 367         *p++ = str[i];
 368     }
 369   *p++ = 0;
 370
 371   if (out_len)
 372     *out_len = p - unescaped_str;
 373   *free_return = TRUE;
 374   return unescaped_str;
 375 }
 376
 377 static void
 378 escape_xattr (GFileInfo  *info,
 379               const char *gio_attr, /* gio attribute name */
 380               const char *value, /* Is zero terminated */
 381               size_t      len /* not including zero termination */)
 382 {
 383   char *escaped_val;
 384   gboolean free_escaped_val;
 385
 386   escaped_val = hex_escape_string (value, &free_escaped_val);
 387
 388   g_file_info_set_attribute_string (info, gio_attr, escaped_val);
 389
 390   if (free_escaped_val)
 391     g_free (escaped_val);
 392 }
 393
 394 static void
 395 get_one_xattr (const char *path,
 396                GFileInfo  *info,
 397                const char *gio_attr,
 398                const char *xattr,
 399                gboolean    follow_symlinks)
 400 {
 401   char value[64];
 402   char *value_p;
 403   ssize_t len;
 404   int errsv;
 405
 406   len = g_getxattr (path, xattr, value, sizeof (value)-1, follow_symlinks);
 407   errsv = errno;
 408
 409   value_p = NULL;
 410   if (len >= 0)
 411     value_p = value;
 412   else if (len == -1 && errsv == ERANGE)
 413     {
 414       len = g_getxattr (path, xattr, NULL, 0, follow_symlinks);
 415
 416       if (len < 0)
 417         return;
 418
 419       value_p = g_malloc (len+1);
 420
 421       len = g_getxattr (path, xattr, value_p, len, follow_symlinks);
 422
 423       if (len < 0)
 424         {
 425           g_free (value_p);
 426           return;
 427         }
 428     }
 429   else
 430     return;
 431
 432   /* Null terminate */
 433   value_p[len] = 0;
 434
 435   escape_xattr (info, gio_attr, value_p, len);
 436
 437   if (value_p != value)
 438     g_free (value_p);
 439 }
 440
 441 #endif /* defined HAVE_XATTR */
 442
 443 static void
 444 get_xattrs (const char            *path,
 445             gboolean               user,
 446             GFileInfo             *info,
 447             GFileAttributeMatcher *matcher,
 448             gboolean               follow_symlinks)
 449 {
 450 #ifdef HAVE_XATTR
 451   gboolean all;
 452   gsize list_size;
 453   ssize_t list_res_size;
 454   size_t len;
 455   char *list;
 456   const char *attr, *attr2;
 457
 458   if (user)
 459     all = g_file_attribute_matcher_enumerate_namespace (matcher, "xattr");
 460   else
 461     all = g_file_attribute_matcher_enumerate_namespace (matcher, "xattr-sys");
 462
 463   if (all)
 464     {
 465       int errsv;
 466
 467       list_res_size = g_listxattr (path, NULL, 0, follow_symlinks);
 468
 469       if (list_res_size == -1 ||
 470           list_res_size == 0)
 471         return;
 472
 473       list_size = list_res_size;
 474       list = g_malloc (list_size);
 475
 476     retry:
 477
 478       list_res_size = g_listxattr (path, list, list_size, follow_symlinks);
 479       errsv = errno;
 480
 481       if (list_res_size == -1 && errsv == ERANGE)
 482         {
 483           list_size = list_size * 2;
 484           list = g_realloc (list, list_size);
 485           goto retry;
 486         }
 487
 488       if (list_res_size == -1)
 489         return;
 490
 491       attr = list;
 492       while (list_res_size > 0)
 493         {
 494           if ((user && g_str_has_prefix (attr, "user.")) ||
 495               (!user && !g_str_has_prefix (attr, "user.")))
 496             {
 497               char *escaped_attr, *gio_attr;
 498               gboolean free_escaped_attr;
 499
 500               if (user)
 501                 {
 502                   escaped_attr = hex_escape_string (attr + 5, &free_escaped_attr);
 503                   gio_attr = g_strconcat ("xattr::", escaped_attr, NULL);
 504                 }
 505               else
 506                 {
 507                   escaped_attr = hex_escape_string (attr, &free_escaped_attr);
 508                   gio_attr = g_strconcat ("xattr-sys::", escaped_attr, NULL);
 509                 }
 510
 511               if (free_escaped_attr)
 512                 g_free (escaped_attr);
 513
 514               get_one_xattr (path, info, gio_attr, attr, follow_symlinks);
 515
 516               g_free (gio_attr);
 517             }
 518
 519           len = strlen (attr) + 1;
 520           attr += len;
 521           list_res_size -= len;
 522         }
 523
 524       g_free (list);
 525     }
 526   else
 527     {
 528       while ((attr = g_file_attribute_matcher_enumerate_next (matcher)) != NULL)
 529         {
 530           char *unescaped_attribute, *a;
 531           gboolean free_unescaped_attribute;
 532
 533           attr2 = strchr (attr, ':');
 534           if (attr2)
 535             {
 536               attr2 += 2; /* Skip '::' */
 537               unescaped_attribute = hex_unescape_string (attr2, NULL, &free_unescaped_attribute);
 538               if (user)
 539                 a = g_strconcat ("user.", unescaped_attribute, NULL);
 540               else
 541                 a = unescaped_attribute;
 542
 543               get_one_xattr (path, info, attr, a, follow_symlinks);
 544
 545               if (user)
 546                 g_free (a);
 547
 548               if (free_unescaped_attribute)
 549                 g_free (unescaped_attribute);
 550             }
 551         }
 552     }
 553 #endif /* defined HAVE_XATTR */
 554 }
 555
 556 #ifdef HAVE_XATTR
 557 static void
 558 get_one_xattr_from_fd (int         fd,
 559                        GFileInfo  *info,
 560                        const char *gio_attr,
 561                        const char *xattr)
 562 {
 563   char value[64];
 564   char *value_p;
 565   ssize_t len;
 566   int errsv;
 567
 568   len = g_fgetxattr (fd, xattr, value, sizeof (value) - 1);
 569   errsv = errno;
 570
 571   value_p = NULL;
 572   if (len >= 0)
 573     value_p = value;
 574   else if (len == -1 && errsv == ERANGE)
 575     {
 576       len = g_fgetxattr (fd, xattr, NULL, 0);
 577
 578       if (len < 0)
 579         return;
 580
 581       value_p = g_malloc (len + 1);
 582
 583       len = g_fgetxattr (fd, xattr, value_p, len);
 584
 585       if (len < 0)
 586         {
 587           g_free (value_p);
 588           return;
 589         }
 590     }
 591   else
 592     return;
 593
 594   /* Null terminate */
 595   value_p[len] = 0;
 596
 597   escape_xattr (info, gio_attr, value_p, len);
 598
 599   if (value_p != value)
 600     g_free (value_p);
 601 }
 602 #endif /* defined HAVE_XATTR */
 603
 604 static void
 605 get_xattrs_from_fd (int                    fd,
 606                     gboolean               user,
 607                     GFileInfo             *info,
 608                     GFileAttributeMatcher *matcher)
 609 {
 610 #ifdef HAVE_XATTR
 611   gboolean all;
 612   gsize list_size;
 613   ssize_t list_res_size;
 614   size_t len;
 615   char *list;
 616   const char *attr, *attr2;
 617
 618   if (user)
 619     all = g_file_attribute_matcher_enumerate_namespace (matcher, "xattr");
 620   else
 621     all = g_file_attribute_matcher_enumerate_namespace (matcher, "xattr-sys");
 622
 623   if (all)
 624     {
 625       int errsv;
 626
 627       list_res_size = g_flistxattr (fd, NULL, 0);
 628
 629       if (list_res_size == -1 ||
 630           list_res_size == 0)
 631         return;
 632
 633       list_size = list_res_size;
 634       list = g_malloc (list_size);
 635
 636     retry:
 637
 638       list_res_size = g_flistxattr (fd, list, list_size);
 639       errsv = errno;
 640
 641       if (list_res_size == -1 && errsv == ERANGE)
 642         {
 643           list_size = list_size * 2;
 644           list = g_realloc (list, list_size);
 645           goto retry;
 646         }
 647
 648       if (list_res_size == -1)
 649         return;
 650
 651       attr = list;
 652       while (list_res_size > 0)
 653         {
 654           if ((user && g_str_has_prefix (attr, "user.")) ||
 655               (!user && !g_str_has_prefix (attr, "user.")))
 656             {
 657               char *escaped_attr, *gio_attr;
 658               gboolean free_escaped_attr;
 659
 660               if (user)
 661                 {
 662                   escaped_attr = hex_escape_string (attr + 5, &free_escaped_attr);
 663                   gio_attr = g_strconcat ("xattr::", escaped_attr, NULL);
 664                 }
 665               else
 666                 {
 667                   escaped_attr = hex_escape_string (attr, &free_escaped_attr);
 668                   gio_attr = g_strconcat ("xattr-sys::", escaped_attr, NULL);
 669                 }
 670
 671               if (free_escaped_attr)
 672                 g_free (escaped_attr);
 673
 674               get_one_xattr_from_fd (fd, info, gio_attr, attr);
 675               g_free (gio_attr);
 676             }
 677
 678           len = strlen (attr) + 1;
 679           attr += len;
 680           list_res_size -= len;
 681         }
 682
 683       g_free (list);
 684     }
 685   else
 686     {
 687       while ((attr = g_file_attribute_matcher_enumerate_next (matcher)) != NULL)
 688         {
 689           char *unescaped_attribute, *a;
 690           gboolean free_unescaped_attribute;
 691
 692           attr2 = strchr (attr, ':');
 693           if (attr2)
 694             {
 695               attr2++; /* Skip ':' */
 696               unescaped_attribute = hex_unescape_string (attr2, NULL, &free_unescaped_attribute);
 697               if (user)
 698                 a = g_strconcat ("user.", unescaped_attribute, NULL);
 699               else
 700                 a = unescaped_attribute;
 701
 702               get_one_xattr_from_fd (fd, info, attr, a);
 703
 704               if (user)
 705                 g_free (a);
 706
 707               if (free_unescaped_attribute)
 708                 g_free (unescaped_attribute);
 709             }
 710         }
 711     }
 712 #endif /* defined HAVE_XATTR */
 713 }
 714
 715 #ifdef HAVE_XATTR
 716 static gboolean
 717 set_xattr (char                       *filename,
 718            const char                 *escaped_attribute,
 719            const GFileAttributeValue  *attr_value,
 720            GError                    **error)
 721 {
 722   char *attribute, *value;
 723   gboolean free_attribute, free_value;
 724   int val_len, res, errsv;
 725   gboolean is_user;
 726   char *a;
 727
 728   if (attr_value == NULL)
 729     {
 730       g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_INVALID_ARGUMENT,
 731                            _("Attribute value must be non-NULL"));
 732       return FALSE;
 733     }
 734
 735   if (attr_value->type != G_FILE_ATTRIBUTE_TYPE_STRING)
 736     {
 737       g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_INVALID_ARGUMENT,
 738                            _("Invalid attribute type (string expected)"));
 739       return FALSE;
 740     }
 741
 742   if (!name_is_valid (escaped_attribute))
 743     {
 744       g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_INVALID_ARGUMENT,
 745                            _("Invalid extended attribute name"));
 746       return FALSE;
 747     }
 748
 749   if (g_str_has_prefix (escaped_attribute, "xattr::"))
 750     {
 751       escaped_attribute += strlen ("xattr::");
 752       is_user = TRUE;
 753     }
 754   else
 755     {
 756       g_warn_if_fail (g_str_has_prefix (escaped_attribute, "xattr-sys::"));
 757       escaped_attribute += strlen ("xattr-sys::");
 758       is_user = FALSE;
 759     }
 760
 761   attribute = hex_unescape_string (escaped_attribute, NULL, &free_attribute);
 762   value = hex_unescape_string (attr_value->u.string, &val_len, &free_value);
 763
 764   if (is_user)
 765     a = g_strconcat ("user.", attribute, NULL);
 766   else
 767     a = attribute;
 768
 769   res = g_setxattr (filename, a, value, val_len);
 770   errsv = errno;
 771
 772   if (is_user)
 773     g_free (a);
 774
 775   if (free_attribute)
 776     g_free (attribute);
 777
 778   if (free_value)
 779     g_free (value);
 780
 781   if (res == -1)
 782     {
 783       g_set_error (error, G_IO_ERROR,
 784                    g_io_error_from_errno (errsv),
 785                    _("Error setting extended attribute “%s”: %s"),
 786                    escaped_attribute, g_strerror (errsv));
 787       return FALSE;
 788     }
 789
 790   return TRUE;
 791 }
 792
 793 #endif
 794
 795
 796 void
 797 _g_local_file_info_get_parent_info (const char            *dir,
 798                                     GFileAttributeMatcher *attribute_matcher,
 799                                     GLocalParentFileInfo  *parent_info)
 800 {
 801   GStatBuf statbuf;
 802   int res;
 803
 804   parent_info->extra_data = NULL;
 805   parent_info->free_extra_data = NULL;
 806   parent_info->writable = FALSE;
 807   parent_info->is_sticky = FALSE;
 808   parent_info->has_trash_dir = FALSE;
 809   parent_info->device = 0;
 810
 811   if (_g_file_attribute_matcher_matches_id (attribute_matcher, G_FILE_ATTRIBUTE_ID_ACCESS_CAN_RENAME) ||
 812       _g_file_attribute_matcher_matches_id (attribute_matcher, G_FILE_ATTRIBUTE_ID_ACCESS_CAN_DELETE) ||
 813       _g_file_attribute_matcher_matches_id (attribute_matcher, G_FILE_ATTRIBUTE_ID_ACCESS_CAN_TRASH) ||
 814       _g_file_attribute_matcher_matches_id (attribute_matcher, G_FILE_ATTRIBUTE_ID_UNIX_IS_MOUNTPOINT))
 815     {
 816       /* FIXME: Windows: The underlying _waccess() call in the C
 817        * library is mostly pointless as it only looks at the READONLY
 818        * FAT-style attribute of the file, it doesn't check the ACL at
 819        * all.
 820        */
 821       parent_info->writable = (g_access (dir, W_OK) == 0);
 822
 823       res = g_stat (dir, &statbuf);
 824
 825       /*
 826        * The sticky bit (S_ISVTX) on a directory means that a file in that directory can be
 827        * renamed or deleted only by the owner of the file, by the owner of the directory, and
 828        * by a privileged process.
 829        */
 830       if (res == 0)
 831         {
 832 #ifdef S_ISVTX
 833           parent_info->is_sticky = (statbuf.st_mode & S_ISVTX) != 0;
 834 #else
 835           parent_info->is_sticky = FALSE;
 836 #endif
 837           parent_info->owner = statbuf.st_uid;
 838           parent_info->device = statbuf.st_dev;
 839           /* No need to find trash dir if it's not writable anyway */
 840           if (parent_info->writable &&
 841               _g_file_attribute_matcher_matches_id (attribute_matcher, G_FILE_ATTRIBUTE_ID_ACCESS_CAN_TRASH))
 842             parent_info->has_trash_dir = _g_local_file_has_trash_dir (dir, statbuf.st_dev);
 843         }
 844     }
 845 }
 846
 847 void
 848 _g_local_file_info_free_parent_info (GLocalParentFileInfo *parent_info)
 849 {
 850   if (parent_info->extra_data &&
 851       parent_info->free_extra_data)
 852     parent_info->free_extra_data (parent_info->extra_data);
 853 }
 854
 855 static void
 856 get_access_rights (GFileAttributeMatcher *attribute_matcher,
 857                    GFileInfo             *info,
 858                    const gchar           *path,
 859                    GLocalFileStat        *statbuf,
 860                    GLocalParentFileInfo  *parent_info)
 861 {
 862   /* FIXME: Windows: The underlyin _waccess() is mostly pointless */
 863   if (_g_file_attribute_matcher_matches_id (attribute_matcher,
 864                                             G_FILE_ATTRIBUTE_ID_ACCESS_CAN_READ))
 865     _g_file_info_set_attribute_boolean_by_id (info, G_FILE_ATTRIBUTE_ID_ACCESS_CAN_READ,
 866                                              g_access (path, R_OK) == 0);
 867
 868   if (_g_file_attribute_matcher_matches_id (attribute_matcher,
 869                                             G_FILE_ATTRIBUTE_ID_ACCESS_CAN_WRITE))
 870     _g_file_info_set_attribute_boolean_by_id (info, G_FILE_ATTRIBUTE_ID_ACCESS_CAN_WRITE,
 871                                              g_access (path, W_OK) == 0);
 872
 873   if (_g_file_attribute_matcher_matches_id (attribute_matcher,
 874                                             G_FILE_ATTRIBUTE_ID_ACCESS_CAN_EXECUTE))
 875     _g_file_info_set_attribute_boolean_by_id (info, G_FILE_ATTRIBUTE_ID_ACCESS_CAN_EXECUTE,
 876                                              g_access (path, X_OK) == 0);
 877
 878
 879   if (parent_info)
 880     {
 881       gboolean writable;
 882
 883       writable = FALSE;
 884       if (parent_info->writable)
 885         {
 886           if (parent_info->is_sticky)
 887             {
 888 #ifndef G_OS_WIN32
 889               uid_t uid = geteuid ();
 890
 891               if (uid == statbuf->st_uid ||
 892                   uid == parent_info->owner ||
 893                   uid == 0)
 894 #endif
 895                 writable = TRUE;
 896             }
 897           else
 898             writable = TRUE;
 899         }
 900
 901       if (_g_file_attribute_matcher_matches_id (attribute_matcher, G_FILE_ATTRIBUTE_ID_ACCESS_CAN_RENAME))
 902         _g_file_info_set_attribute_boolean_by_id (info, G_FILE_ATTRIBUTE_ID_ACCESS_CAN_RENAME,
 903                                                  writable);
 904
 905       if (_g_file_attribute_matcher_matches_id (attribute_matcher, G_FILE_ATTRIBUTE_ID_ACCESS_CAN_DELETE))
 906         _g_file_info_set_attribute_boolean_by_id (info, G_FILE_ATTRIBUTE_ID_ACCESS_CAN_DELETE,
 907                                                  writable);
 908
 909       if (_g_file_attribute_matcher_matches_id (attribute_matcher, G_FILE_ATTRIBUTE_ID_ACCESS_CAN_TRASH))
 910         _g_file_info_set_attribute_boolean_by_id (info, G_FILE_ATTRIBUTE_ID_ACCESS_CAN_TRASH,
 911                                                  writable && parent_info->has_trash_dir);
 912     }
 913 }
 914
 915 static void
 916 set_info_from_stat (GFileInfo             *info,
 917                     GLocalFileStat        *statbuf,
 918                     GFileAttributeMatcher *attribute_matcher)
 919 {
 920   GFileType file_type;
 921
 922   file_type = G_FILE_TYPE_UNKNOWN;
 923
 924   if (S_ISREG (statbuf->st_mode))
 925     file_type = G_FILE_TYPE_REGULAR;
 926   else if (S_ISDIR (statbuf->st_mode))
 927     file_type = G_FILE_TYPE_DIRECTORY;
 928 #ifndef G_OS_WIN32
 929   else if (S_ISCHR (statbuf->st_mode) ||
 930            S_ISBLK (statbuf->st_mode) ||
 931            S_ISFIFO (statbuf->st_mode)
 932 #ifdef S_ISSOCK
 933            || S_ISSOCK (statbuf->st_mode)
 934 #endif
 935            )
 936     file_type = G_FILE_TYPE_SPECIAL;
 937 #endif
 938 #ifdef S_ISLNK
 939   else if (S_ISLNK (statbuf->st_mode))
 940     file_type = G_FILE_TYPE_SYMBOLIC_LINK;
 941 #endif
 942
 943   g_file_info_set_file_type (info, file_type);
 944   g_file_info_set_size (info, statbuf->st_size);
 945
 946   _g_file_info_set_attribute_uint32_by_id (info, G_FILE_ATTRIBUTE_ID_UNIX_DEVICE, statbuf->st_dev);
 947 #ifndef G_OS_WIN32
 948   /* Pointless setting these on Windows even if they exist in the struct */
 949   _g_file_info_set_attribute_uint64_by_id (info, G_FILE_ATTRIBUTE_ID_UNIX_INODE, statbuf->st_ino);
 950   _g_file_info_set_attribute_uint32_by_id (info, G_FILE_ATTRIBUTE_ID_UNIX_NLINK, statbuf->st_nlink);
 951   _g_file_info_set_attribute_uint32_by_id (info, G_FILE_ATTRIBUTE_ID_UNIX_UID, statbuf->st_uid);
 952   _g_file_info_set_attribute_uint32_by_id (info, G_FILE_ATTRIBUTE_ID_UNIX_GID, statbuf->st_gid);
 953   _g_file_info_set_attribute_uint32_by_id (info, G_FILE_ATTRIBUTE_ID_UNIX_RDEV, statbuf->st_rdev);
 954 #endif
 955   /* FIXME: st_mode is mostly pointless on Windows, too. Set the attribute or not? */
 956   _g_file_info_set_attribute_uint32_by_id (info, G_FILE_ATTRIBUTE_ID_UNIX_MODE, statbuf->st_mode);
 957 #if defined (HAVE_STRUCT_STAT_ST_BLKSIZE)
 958   _g_file_info_set_attribute_uint32_by_id (info, G_FILE_ATTRIBUTE_ID_UNIX_BLOCK_SIZE, statbuf->st_blksize);
 959 #endif
 960 #if defined (HAVE_STRUCT_STAT_ST_BLOCKS)
 961   _g_file_info_set_attribute_uint64_by_id (info, G_FILE_ATTRIBUTE_ID_UNIX_BLOCKS, statbuf->st_blocks);
 962   _g_file_info_set_attribute_uint64_by_id (info, G_FILE_ATTRIBUTE_ID_STANDARD_ALLOCATED_SIZE,
 963                                           statbuf->st_blocks * G_GUINT64_CONSTANT (512));
 964 #endif
 965
 966   _g_file_info_set_attribute_uint64_by_id (info, G_FILE_ATTRIBUTE_ID_TIME_MODIFIED, statbuf->st_mtime);
 967 #if defined (HAVE_STRUCT_STAT_ST_MTIMENSEC)
 968   _g_file_info_set_attribute_uint32_by_id (info, G_FILE_ATTRIBUTE_ID_TIME_MODIFIED_USEC, statbuf->st_mtimensec / 1000);
 969 #elif defined (HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC)
 970   _g_file_info_set_attribute_uint32_by_id (info, G_FILE_ATTRIBUTE_ID_TIME_MODIFIED_USEC, statbuf->st_mtim.tv_nsec / 1000);
 971 #endif
 972
 973   _g_file_info_set_attribute_uint64_by_id (info, G_FILE_ATTRIBUTE_ID_TIME_ACCESS, statbuf->st_atime);
 974 #if defined (HAVE_STRUCT_STAT_ST_ATIMENSEC)
 975   _g_file_info_set_attribute_uint32_by_id (info, G_FILE_ATTRIBUTE_ID_TIME_ACCESS_USEC, statbuf->st_atimensec / 1000);
 976 #elif defined (HAVE_STRUCT_STAT_ST_ATIM_TV_NSEC)
 977   _g_file_info_set_attribute_uint32_by_id (info, G_FILE_ATTRIBUTE_ID_TIME_ACCESS_USEC, statbuf->st_atim.tv_nsec / 1000);
 978 #endif
 979
 980   _g_file_info_set_attribute_uint64_by_id (info, G_FILE_ATTRIBUTE_ID_TIME_CHANGED, statbuf->st_ctime);
 981 #if defined (HAVE_STRUCT_STAT_ST_CTIMENSEC)
 982   _g_file_info_set_attribute_uint32_by_id (info, G_FILE_ATTRIBUTE_ID_TIME_CHANGED_USEC, statbuf->st_ctimensec / 1000);
 983 #elif defined (HAVE_STRUCT_STAT_ST_CTIM_TV_NSEC)
 984   _g_file_info_set_attribute_uint32_by_id (info, G_FILE_ATTRIBUTE_ID_TIME_CHANGED_USEC, statbuf->st_ctim.tv_nsec / 1000);
 985 #endif
 986
 987 #if defined (HAVE_STRUCT_STAT_ST_BIRTHTIME) && defined (HAVE_STRUCT_STAT_ST_BIRTHTIMENSEC)
 988   _g_file_info_set_attribute_uint64_by_id (info, G_FILE_ATTRIBUTE_ID_TIME_CREATED, statbuf->st_birthtime);
 989   _g_file_info_set_attribute_uint32_by_id (info, G_FILE_ATTRIBUTE_ID_TIME_CREATED_USEC, statbuf->st_birthtimensec / 1000);
 990 #elif defined (HAVE_STRUCT_STAT_ST_BIRTHTIM) && defined (HAVE_STRUCT_STAT_ST_BIRTHTIM_TV_NSEC)
 991   _g_file_info_set_attribute_uint64_by_id (info, G_FILE_ATTRIBUTE_ID_TIME_CREATED, statbuf->st_birthtim.tv_sec);
 992   _g_file_info_set_attribute_uint32_by_id (info, G_FILE_ATTRIBUTE_ID_TIME_CREATED_USEC, statbuf->st_birthtim.tv_nsec / 1000);
 993 #elif defined (HAVE_STRUCT_STAT_ST_BIRTHTIME)
 994   _g_file_info_set_attribute_uint64_by_id (info, G_FILE_ATTRIBUTE_ID_TIME_CREATED, statbuf->st_birthtime);
 995 #elif defined (HAVE_STRUCT_STAT_ST_BIRTHTIM)
 996   _g_file_info_set_attribute_uint64_by_id (info, G_FILE_ATTRIBUTE_ID_TIME_CREATED, statbuf->st_birthtim);
 997 #endif
 998
 999   if (_g_file_attribute_matcher_matches_id (attribute_matcher,
1000                                             G_FILE_ATTRIBUTE_ID_ETAG_VALUE))
1001     {
1002       char *etag = _g_local_file_info_create_etag (statbuf);
1003       _g_file_info_set_attribute_string_by_id (info, G_FILE_ATTRIBUTE_ID_ETAG_VALUE, etag);
1004       g_free (etag);
1005     }
1006
1007   if (_g_file_attribute_matcher_matches_id (attribute_matcher,
1008                                             G_FILE_ATTRIBUTE_ID_ID_FILE))
1009     {
1010       char *id = _g_local_file_info_create_file_id (statbuf);
1011       _g_file_info_set_attribute_string_by_id (info, G_FILE_ATTRIBUTE_ID_ID_FILE, id);
1012       g_free (id);
1013     }
1014
1015   if (_g_file_attribute_matcher_matches_id (attribute_matcher,
1016                                             G_FILE_ATTRIBUTE_ID_ID_FILESYSTEM))
1017     {
1018       char *id = _g_local_file_info_create_fs_id (statbuf);
1019       _g_file_info_set_attribute_string_by_id (info, G_FILE_ATTRIBUTE_ID_ID_FILESYSTEM, id);
1020       g_free (id);
1021     }
1022 }
1023
1024 #ifndef G_OS_WIN32
1025
1026 static char *
1027 make_valid_utf8 (const char *name)
1028 {
1029   GString *string;
1030   const gchar *remainder, *invalid;
1031   gint remaining_bytes, valid_bytes;
1032
1033   string = NULL;
1034   remainder = name;
1035   remaining_bytes = strlen (name);
1036
1037   while (remaining_bytes != 0)
1038     {
1039       if (g_utf8_validate (remainder, remaining_bytes, &invalid))
1040         break;
1041       valid_bytes = invalid - remainder;
1042
1043       if (string == NULL)
1044         string = g_string_sized_new (remaining_bytes);
1045
1046       g_string_append_len (string, remainder, valid_bytes);
1047       /* append U+FFFD REPLACEMENT CHARACTER */
1048       g_string_append (string, "\357\277\275");
1049
1050       remaining_bytes -= valid_bytes + 1;
1051       remainder = invalid + 1;
1052     }
1053
1054   if (string == NULL)
1055     return g_strdup (name);
1056
1057   g_string_append (string, remainder);
1058
1059   g_warn_if_fail (g_utf8_validate (string->str, -1, NULL));
1060
1061   return g_string_free (string, FALSE);
1062 }
1063
1064 static char *
1065 convert_pwd_string_to_utf8 (char *pwd_str)
1066 {
1067   char *utf8_string;
1068
1069   if (!g_utf8_validate (pwd_str, -1, NULL))
1070     {
1071       utf8_string = g_locale_to_utf8 (pwd_str, -1, NULL, NULL, NULL);
1072       if (utf8_string == NULL)
1073         utf8_string = make_valid_utf8 (pwd_str);
1074     }
1075   else
1076     utf8_string = g_strdup (pwd_str);
1077
1078   return utf8_string;
1079 }
1080
1081 static void
1082 uid_data_free (UidData *data)
1083 {
1084   g_free (data->user_name);
1085   g_free (data->real_name);
1086   g_free (data);
1087 }
1088
1089 /* called with lock held */
1090 static UidData *
1091 lookup_uid_data (uid_t uid)
1092 {
1093   UidData *data;
1094   char buffer[4096];
1095   struct passwd pwbuf;
1096   struct passwd *pwbufp;
1097   char *gecos, *comma;
1098
1099   if (uid_cache == NULL)
1100     uid_cache = g_hash_table_new_full (NULL, NULL, NULL, (GDestroyNotify)uid_data_free);
1101
1102   data = g_hash_table_lookup (uid_cache, GINT_TO_POINTER (uid));
1103
1104   if (data)
1105     return data;
1106
1107   data = g_new0 (UidData, 1);
1108
1109 #if defined(HAVE_GETPWUID_R)
1110   getpwuid_r (uid, &pwbuf, buffer, sizeof(buffer), &pwbufp);
1111 #else
1112   pwbufp = getpwuid (uid);
1113 #endif
1114
1115   if (pwbufp != NULL)
1116     {
1117       if (pwbufp->pw_name != NULL && pwbufp->pw_name[0] != 0)
1118         data->user_name = convert_pwd_string_to_utf8 (pwbufp->pw_name);
1119
1120 #ifndef __BIONIC__
1121       gecos = pwbufp->pw_gecos;
1122
1123       if (gecos)
1124         {
1125           comma = strchr (gecos, ',');
1126           if (comma)
1127             *comma = 0;
1128           data->real_name = convert_pwd_string_to_utf8 (gecos);
1129         }
1130 #endif
1131     }
1132
1133   /* Default fallbacks */
1134   if (data->real_name == NULL)
1135     {
1136       if (data->user_name != NULL)
1137         data->real_name = g_strdup (data->user_name);
1138       else
1139         data->real_name = g_strdup_printf ("user #%d", (int)uid);
1140     }
1141
1142   if (data->user_name == NULL)
1143     data->user_name = g_strdup_printf ("%d", (int)uid);
1144
1145   g_hash_table_replace (uid_cache, GINT_TO_POINTER (uid), data);
1146
1147   return data;
1148 }
1149
1150 static char *
1151 get_username_from_uid (uid_t uid)
1152 {
1153   char *res;
1154   UidData *data;
1155
1156   G_LOCK (uid_cache);
1157   data = lookup_uid_data (uid);
1158   res = g_strdup (data->user_name);
1159   G_UNLOCK (uid_cache);
1160
1161   return res;
1162 }
1163
1164 static char *
1165 get_realname_from_uid (uid_t uid)
1166 {
1167   char *res;
1168   UidData *data;
1169
1170   G_LOCK (uid_cache);
1171   data = lookup_uid_data (uid);
1172   res = g_strdup (data->real_name);
1173   G_UNLOCK (uid_cache);
1174
1175   return res;
1176 }
1177
1178 /* called with lock held */
1179 static char *
1180 lookup_gid_name (gid_t gid)
1181 {
1182   char *name;
1183   char buffer[4096];
1184   struct group gbuf;
1185   struct group *gbufp;
1186
1187   if (gid_cache == NULL)
1188     gid_cache = g_hash_table_new_full (NULL, NULL, NULL, (GDestroyNotify)g_free);
1189
1190   name = g_hash_table_lookup (gid_cache, GINT_TO_POINTER (gid));
1191
1192   if (name)
1193     return name;
1194
1195 #if defined (HAVE_GETGRGID_R)
1196   getgrgid_r (gid, &gbuf, buffer, sizeof(buffer), &gbufp);
1197 #else
1198   gbufp = getgrgid (gid);
1199 #endif
1200
1201   if (gbufp != NULL &&
1202       gbufp->gr_name != NULL &&
1203       gbufp->gr_name[0] != 0)
1204     name = convert_pwd_string_to_utf8 (gbufp->gr_name);
1205   else
1206     name = g_strdup_printf("%d", (int)gid);
1207
1208   g_hash_table_replace (gid_cache, GINT_TO_POINTER (gid), name);
1209
1210   return name;
1211 }
1212
1213 static char *
1214 get_groupname_from_gid (gid_t gid)
1215 {
1216   char *res;
1217   char *name;
1218
1219   G_LOCK (gid_cache);
1220   name = lookup_gid_name (gid);
1221   res = g_strdup (name);
1222   G_UNLOCK (gid_cache);
1223   return res;
1224 }
1225
1226 #endif /* !G_OS_WIN32 */
1227
1228 static char *
1229 get_content_type (const char          *basename,
1230                   const char          *path,
1231                   GLocalFileStat      *statbuf,
1232                   gboolean             is_symlink,
1233                   gboolean             symlink_broken,
1234                   GFileQueryInfoFlags  flags,
1235                   gboolean             fast)
1236 {
1237   if (is_symlink &&
1238       (symlink_broken || (flags & G_FILE_QUERY_INFO_NOFOLLOW_SYMLINKS)))
1239     return g_content_type_from_mime_type ("inode/symlink");
1240   else if (statbuf != NULL && S_ISDIR(statbuf->st_mode))
1241     return g_content_type_from_mime_type ("inode/directory");
1242 #ifndef G_OS_WIN32
1243   else if (statbuf != NULL && S_ISCHR(statbuf->st_mode))
1244     return g_content_type_from_mime_type ("inode/chardevice");
1245   else if (statbuf != NULL && S_ISBLK(statbuf->st_mode))
1246     return g_content_type_from_mime_type ("inode/blockdevice");
1247   else if (statbuf != NULL && S_ISFIFO(statbuf->st_mode))
1248     return g_content_type_from_mime_type ("inode/fifo");
1249   else if (statbuf != NULL && S_ISREG(statbuf->st_mode) && statbuf->st_size == 0)
1250     {
1251       /* Don't sniff zero-length files in order to avoid reading files
1252        * that appear normal but are not (eg: files in /proc and /sys)
1253        *
1254        * Note that we need to return text/plain here so that
1255        * newly-created text files are opened by the text editor.
1256        * See https://bugzilla.gnome.org/show_bug.cgi?id=755795
1257        */
1258       return g_content_type_from_mime_type ("text/plain");
1259     }
1260 #endif
1261 #ifdef S_ISSOCK
1262   else if (statbuf != NULL && S_ISSOCK(statbuf->st_mode))
1263     return g_content_type_from_mime_type ("inode/socket");
1264 #endif
1265   else
1266     {
1267       char *content_type;
1268       gboolean result_uncertain;
1269
1270       content_type = g_content_type_guess (basename, NULL, 0, &result_uncertain);
1271
1272 #if !defined(G_OS_WIN32) && !defined(HAVE_COCOA)
1273       if (!fast && result_uncertain && path != NULL)
1274         {
1275           guchar sniff_buffer[4096];
1276           gsize sniff_length;
1277           int fd, errsv;
1278
1279           sniff_length = _g_unix_content_type_get_sniff_len ();
1280           if (sniff_length > 4096)
1281             sniff_length = 4096;
1282
1283 #ifdef O_NOATIME
1284           fd = g_open (path, O_RDONLY | O_NOATIME, 0);
1285           errsv = errno;
1286           if (fd < 0 && errsv == EPERM)
1287 #endif
1288             fd = g_open (path, O_RDONLY, 0);
1289
1290           if (fd != -1)
1291             {
1292               ssize_t res;
1293
1294               res = read (fd, sniff_buffer, sniff_length);
1295               (void) g_close (fd, NULL);
1296               if (res >= 0)
1297                 {
1298                   g_free (content_type);
1299                   content_type = g_content_type_guess (basename, sniff_buffer, res, NULL);
1300                 }
1301             }
1302         }
1303 #endif
1304
1305       return content_type;
1306     }
1307
1308 }
1309
1310 /* @stat_buf is the pre-calculated result of stat(path), or %NULL if that failed. */
1311 static void
1312 get_thumbnail_attributes (const char     *path,
1313                           GFileInfo      *info,
1314                           const GLocalFileStat *stat_buf)
1315 {
1316   GChecksum *checksum;
1317   char *uri;
1318   char *filename;
1319   char *basename;
1320
1321   uri = g_filename_to_uri (path, NULL, NULL);
1322
1323   checksum = g_checksum_new (G_CHECKSUM_MD5);
1324   g_checksum_update (checksum, (const guchar *) uri, strlen (uri));
1325
1326   basename = g_strconcat (g_checksum_get_string (checksum), ".png", NULL);
1327   g_checksum_free (checksum);
1328
1329   filename = g_build_filename (g_get_user_cache_dir (),
1330                                "thumbnails", "large", basename,
1331                                NULL);
1332
1333   if (g_file_test (filename, G_FILE_TEST_IS_REGULAR))
1334     {
1335       _g_file_info_set_attribute_byte_string_by_id (info, G_FILE_ATTRIBUTE_ID_THUMBNAIL_PATH, filename);
1336       _g_file_info_set_attribute_boolean_by_id (info, G_FILE_ATTRIBUTE_ID_THUMBNAIL_IS_VALID,
1337                                                 thumbnail_verify (filename, uri, stat_buf));
1338     }
1339   else
1340     {
1341       g_free (filename);
1342       filename = g_build_filename (g_get_user_cache_dir (),
1343                                    "thumbnails", "normal", basename,
1344                                    NULL);
1345
1346       if (g_file_test (filename, G_FILE_TEST_IS_REGULAR))
1347         {
1348           _g_file_info_set_attribute_byte_string_by_id (info, G_FILE_ATTRIBUTE_ID_THUMBNAIL_PATH, filename);
1349           _g_file_info_set_attribute_boolean_by_id (info, G_FILE_ATTRIBUTE_ID_THUMBNAIL_IS_VALID,
1350                                                     thumbnail_verify (filename, uri, stat_buf));
1351         }
1352       else
1353         {
1354           g_free (filename);
1355           filename = g_build_filename (g_get_user_cache_dir (),
1356                                        "thumbnails", "fail",
1357                                        "gnome-thumbnail-factory",
1358                                        basename,
1359                                        NULL);
1360
1361           if (g_file_test (filename, G_FILE_TEST_IS_REGULAR))
1362             {
1363               _g_file_info_set_attribute_boolean_by_id (info, G_FILE_ATTRIBUTE_ID_THUMBNAILING_FAILED, TRUE);
1364               _g_file_info_set_attribute_boolean_by_id (info, G_FILE_ATTRIBUTE_ID_THUMBNAIL_IS_VALID,
1365                                                         thumbnail_verify (filename, uri, stat_buf));
1366             }
1367         }
1368     }
1369   g_free (basename);
1370   g_free (filename);
1371   g_free (uri);
1372 }
1373
1374 #ifdef G_OS_WIN32
1375 static void
1376 win32_get_file_user_info (const gchar  *filename,
1377                           gchar       **group_name,
1378                           gchar       **user_name,
1379                           gchar       **real_name)
1380 {
1381   PSECURITY_DESCRIPTOR psd = NULL;
1382   DWORD sd_size = 0; /* first call calculates the size required */
1383
1384   wchar_t *wfilename = g_utf8_to_utf16 (filename, -1, NULL, NULL, NULL);
1385   if ((GetFileSecurityW (wfilename,
1386                         GROUP_SECURITY_INFORMATION | OWNER_SECURITY_INFORMATION,
1387                         NULL,
1388                         sd_size,
1389                         &sd_size) || (ERROR_INSUFFICIENT_BUFFER == GetLastError())) &&
1390      (psd = g_try_malloc (sd_size)) != NULL &&
1391      GetFileSecurityW (wfilename,
1392                        GROUP_SECURITY_INFORMATION | OWNER_SECURITY_INFORMATION,
1393                        psd,
1394                        sd_size,
1395                        &sd_size))
1396     {
1397       PSID psid = 0;
1398       BOOL defaulted;
1399       SID_NAME_USE name_use = 0; /* don't care? */
1400       wchar_t *name = NULL;
1401       wchar_t *domain = NULL;
1402       DWORD name_len = 0;
1403       DWORD domain_len = 0;
1404       /* get the user name */
1405       do {
1406         if (!user_name)
1407           break;
1408         if (!GetSecurityDescriptorOwner (psd, &psid, &defaulted))
1409           break;
1410         if (!LookupAccountSidW (NULL, /* local machine */
1411                                 psid,
1412                                 name, &name_len,
1413                                 domain, &domain_len, /* no domain info yet */
1414                                 &name_use)  && (ERROR_INSUFFICIENT_BUFFER != GetLastError()))
1415           break;
1416         name = g_try_malloc (name_len * sizeof (wchar_t));
1417         domain = g_try_malloc (domain_len * sizeof (wchar_t));
1418         if (name && domain &&
1419             LookupAccountSidW (NULL, /* local machine */
1420                                psid,
1421                                name, &name_len,
1422                                domain, &domain_len, /* no domain info yet */
1423                                &name_use))
1424           {
1425             *user_name = g_utf16_to_utf8 (name, -1, NULL, NULL, NULL);
1426           }
1427         g_free (name);
1428         g_free (domain);
1429       } while (FALSE);
1430
1431       /* get the group name */
1432       do {
1433         if (!group_name)
1434           break;
1435         if (!GetSecurityDescriptorGroup (psd, &psid, &defaulted))
1436           break;
1437         if (!LookupAccountSidW (NULL, /* local machine */
1438                                 psid,
1439                                 name, &name_len,
1440                                 domain, &domain_len, /* no domain info yet */
1441                                 &name_use)  && (ERROR_INSUFFICIENT_BUFFER != GetLastError()))
1442           break;
1443         name = g_try_malloc (name_len * sizeof (wchar_t));
1444         domain = g_try_malloc (domain_len * sizeof (wchar_t));
1445         if (name && domain &&
1446             LookupAccountSidW (NULL, /* local machine */
1447                                psid,
1448                                name, &name_len,
1449                                domain, &domain_len, /* no domain info yet */
1450                                &name_use))
1451           {
1452             *group_name = g_utf16_to_utf8 (name, -1, NULL, NULL, NULL);
1453           }
1454         g_free (name);
1455         g_free (domain);
1456       } while (FALSE);
1457
1458       /* TODO: get real name */
1459
1460       g_free (psd);
1461     }
1462   g_free (wfilename);
1463 }
1464 #endif /* G_OS_WIN32 */
1465
1466 #ifndef G_OS_WIN32
1467 /* support for '.hidden' files */
1468 G_LOCK_DEFINE_STATIC (hidden_cache);
1469 static GHashTable *hidden_cache;
1470
1471 static gboolean
1472 remove_from_hidden_cache (gpointer user_data)
1473 {
1474   G_LOCK (hidden_cache);
1475   g_hash_table_remove (hidden_cache, user_data);
1476   G_UNLOCK (hidden_cache);
1477
1478   return FALSE;
1479 }
1480
1481 static GHashTable *
1482 read_hidden_file (const gchar *dirname)
1483 {
1484   gchar *contents = NULL;
1485   gchar *filename;
1486
1487   filename = g_build_path ("/", dirname, ".hidden", NULL);
1488   (void) g_file_get_contents (filename, &contents, NULL, NULL);
1489   g_free (filename);
1490
1491   if (contents != NULL)
1492     {
1493       GHashTable *table;
1494       gchar **lines;
1495       gint i;
1496
1497       table = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
1498
1499       lines = g_strsplit (contents, "\n", 0);
1500       g_free (contents);
1501
1502       for (i = 0; lines[i]; i++)
1503         /* hash table takes the individual strings... */
1504         g_hash_table_add (table, lines[i]);
1505
1506       /* ... so we only free the container. */
1507       g_free (lines);
1508
1509       return table;
1510     }
1511   else
1512     return NULL;
1513 }
1514
1515 static void
1516 maybe_unref_hash_table (gpointer data)
1517 {
1518   if (data != NULL)
1519     g_hash_table_unref (data);
1520 }
1521
1522 static gboolean
1523 file_is_hidden (const gchar *path,
1524                 const gchar *basename)
1525 {
1526   gboolean result;
1527   gchar *dirname;
1528   gpointer table;
1529
1530   dirname = g_path_get_dirname (path);
1531
1532   G_LOCK (hidden_cache);
1533
1534   if G_UNLIKELY (hidden_cache == NULL)
1535     hidden_cache = g_hash_table_new_full (g_str_hash, g_str_equal,
1536                                           g_free, maybe_unref_hash_table);
1537
1538   if (!g_hash_table_lookup_extended (hidden_cache, dirname,
1539                                      NULL, &table))
1540     {
1541       gchar *mydirname;
1542       GSource *remove_from_cache_source;
1543
1544       g_hash_table_insert (hidden_cache,
1545                            mydirname = g_strdup (dirname),
1546                            table = read_hidden_file (dirname));
1547
1548       remove_from_cache_source = g_timeout_source_new_seconds (5);
1549       g_source_set_priority (remove_from_cache_source, G_PRIORITY_DEFAULT);
1550       g_source_set_callback (remove_from_cache_source,
1551                              remove_from_hidden_cache,
1552                              mydirname,
1553                              NULL);
1554       g_source_attach (remove_from_cache_source,
1555                        GLIB_PRIVATE_CALL (g_get_worker_context) ());
1556       g_source_unref (remove_from_cache_source);
1557     }
1558
1559   result = table != NULL && g_hash_table_contains (table, basename);
1560
1561   G_UNLOCK (hidden_cache);
1562
1563   g_free (dirname);
1564
1565   return result;
1566 }
1567 #endif /* !G_OS_WIN32 */
1568
1569 void
1570 _g_local_file_info_get_nostat (GFileInfo              *info,
1571                                const char             *basename,
1572                                const char             *path,
1573                                GFileAttributeMatcher  *attribute_matcher)
1574 {
1575   g_file_info_set_name (info, basename);
1576
1577   if (_g_file_attribute_matcher_matches_id (attribute_matcher,
1578                                             G_FILE_ATTRIBUTE_ID_STANDARD_DISPLAY_NAME))
1579     {
1580       char *display_name = g_filename_display_basename (path);
1581
1582       /* look for U+FFFD REPLACEMENT CHARACTER */
1583       if (strstr (display_name, "\357\277\275") != NULL)
1584         {
1585           char *p = display_name;
1586           display_name = g_strconcat (display_name, _(" (invalid encoding)"), NULL);
1587           g_free (p);
1588         }
1589       g_file_info_set_display_name (info, display_name);
1590       g_free (display_name);
1591     }
1592
1593   if (_g_file_attribute_matcher_matches_id (attribute_matcher,
1594                                             G_FILE_ATTRIBUTE_ID_STANDARD_EDIT_NAME))
1595     {
1596       char *edit_name = g_filename_display_basename (path);
1597       g_file_info_set_edit_name (info, edit_name);
1598       g_free (edit_name);
1599     }
1600
1601
1602   if (_g_file_attribute_matcher_matches_id (attribute_matcher,
1603                                             G_FILE_ATTRIBUTE_ID_STANDARD_COPY_NAME))
1604     {
1605       char *copy_name = g_filename_to_utf8 (basename, -1, NULL, NULL, NULL);
1606       if (copy_name)
1607         _g_file_info_set_attribute_string_by_id (info, G_FILE_ATTRIBUTE_ID_STANDARD_COPY_NAME, copy_name);
1608       g_free (copy_name);
1609     }
1610 }
1611
1612 static const char *
1613 get_icon_name (const char *path,
1614                const char *content_type,
1615                gboolean    use_symbolic,
1616                gboolean   *with_fallbacks_out)
1617 {
1618   const char *name = NULL;
1619   gboolean with_fallbacks = TRUE;
1620
1621   if (strcmp (path, g_get_home_dir ()) == 0)
1622     {
1623       name = use_symbolic ? "user-home-symbolic" : "user-home";
1624       with_fallbacks = FALSE;
1625     }
1626   else if (strcmp (path, g_get_user_special_dir (G_USER_DIRECTORY_DESKTOP)) == 0)
1627     {
1628       name = use_symbolic ? "user-desktop-symbolic" : "user-desktop";
1629       with_fallbacks = FALSE;
1630     }
1631   else if (g_strcmp0 (path, g_get_user_special_dir (G_USER_DIRECTORY_DOCUMENTS)) == 0)
1632     {
1633       name = use_symbolic ? "folder-documents-symbolic" : "folder-documents";
1634     }
1635   else if (g_strcmp0 (path, g_get_user_special_dir (G_USER_DIRECTORY_DOWNLOAD)) == 0)
1636     {
1637       name = use_symbolic ? "folder-download-symbolic" : "folder-download";
1638     }
1639   else if (g_strcmp0 (path, g_get_user_special_dir (G_USER_DIRECTORY_MUSIC)) == 0)
1640     {
1641       name = use_symbolic ? "folder-music-symbolic" : "folder-music";
1642     }
1643   else if (g_strcmp0 (path, g_get_user_special_dir (G_USER_DIRECTORY_PICTURES)) == 0)
1644     {
1645       name = use_symbolic ? "folder-pictures-symbolic" : "folder-pictures";
1646     }
1647   else if (g_strcmp0 (path, g_get_user_special_dir (G_USER_DIRECTORY_PUBLIC_SHARE)) == 0)
1648     {
1649       name = use_symbolic ? "folder-publicshare-symbolic" : "folder-publicshare";
1650     }
1651   else if (g_strcmp0 (path, g_get_user_special_dir (G_USER_DIRECTORY_TEMPLATES)) == 0)
1652     {
1653       name = use_symbolic ? "folder-templates-symbolic" : "folder-templates";
1654     }
1655   else if (g_strcmp0 (path, g_get_user_special_dir (G_USER_DIRECTORY_VIDEOS)) == 0)
1656     {
1657       name = use_symbolic ? "folder-videos-symbolic" : "folder-videos";
1658     }
1659   else if (g_strcmp0 (content_type, "inode/directory") == 0)
1660     {
1661       name = use_symbolic ? "folder-symbolic" : "folder";
1662     }
1663   else
1664     {
1665       name = NULL;
1666     }
1667
1668   if (with_fallbacks_out != NULL)
1669     *with_fallbacks_out = with_fallbacks;
1670
1671   return name;
1672 }
1673
1674 static GIcon *
1675 get_icon (const char *path,
1676           const char *content_type,
1677           gboolean    use_symbolic)
1678 {
1679   GIcon *icon = NULL;
1680   const char *icon_name;
1681   gboolean with_fallbacks;
1682
1683   icon_name = get_icon_name (path, content_type, use_symbolic, &with_fallbacks);
1684   if (icon_name != NULL)
1685     {
1686       if (with_fallbacks)
1687         icon = g_themed_icon_new_with_default_fallbacks (icon_name);
1688       else
1689         icon = g_themed_icon_new (icon_name);
1690     }
1691   else
1692     {
1693       if (use_symbolic)
1694         icon = g_content_type_get_symbolic_icon (content_type);
1695       else
1696         icon = g_content_type_get_icon (content_type);
1697     }
1698
1699   return icon;
1700 }
1701
1702 GFileInfo *
1703 _g_local_file_info_get (const char             *basename,
1704                         const char             *path,
1705                         GFileAttributeMatcher  *attribute_matcher,
1706                         GFileQueryInfoFlags     flags,
1707                         GLocalParentFileInfo   *parent_info,
1708                         GError                **error)
1709 {
1710   GFileInfo *info;
1711   GLocalFileStat statbuf;
1712 #ifdef S_ISLNK
1713   struct stat statbuf2;
1714 #endif
1715   int res;
1716   gboolean stat_ok;
1717   gboolean is_symlink, symlink_broken;
1718 #ifdef G_OS_WIN32
1719   DWORD dos_attributes;
1720 #endif
1721   char *symlink_target;
1722   GVfs *vfs;
1723   GVfsClass *class;
1724   guint64 device;
1725
1726   info = g_file_info_new ();
1727
1728   /* Make sure we don't set any unwanted attributes */
1729   g_file_info_set_attribute_mask (info, attribute_matcher);
1730
1731   _g_local_file_info_get_nostat (info, basename, path, attribute_matcher);
1732
1733   if (attribute_matcher == NULL)
1734     {
1735       g_file_info_unset_attribute_mask (info);
1736       return info;
1737     }
1738
1739 #ifndef G_OS_WIN32
1740   res = g_lstat (path, &statbuf);
1741 #else
1742   {
1743     wchar_t *wpath = g_utf8_to_utf16 (path, -1, NULL, NULL, error);
1744     int len;
1745
1746     if (wpath == NULL)
1747       {
1748         g_object_unref (info);
1749         return NULL;
1750       }
1751
1752     len = wcslen (wpath);
1753     while (len > 0 && G_IS_DIR_SEPARATOR (wpath[len-1]))
1754       len--;
1755     if (len > 0 &&
1756         (!g_path_is_absolute (path) || len > g_path_skip_root (path) - path))
1757       wpath[len] = '\0';
1758
1759     res = _wstati64 (wpath, &statbuf);
1760     dos_attributes = GetFileAttributesW (wpath);
1761
1762     g_free (wpath);
1763   }
1764 #endif
1765
1766   if (res == -1)
1767     {
1768       int errsv = errno;
1769
1770       /* Don't bail out if we get Permission denied (SELinux?) */
1771       if (errsv != EACCES)
1772         {
1773           char *display_name = g_filename_display_name (path);
1774           g_object_unref (info);
1775           g_set_error (error, G_IO_ERROR,
1776                        g_io_error_from_errno (errsv),
1777                        _("Error when getting information for file “%s”: %s"),
1778                        display_name, g_strerror (errsv));
1779           g_free (display_name);
1780           return NULL;
1781         }
1782     }
1783
1784   /* Even if stat() fails, try to get as much as other attributes possible */
1785   stat_ok = res != -1;
1786
1787   if (stat_ok)
1788     device = statbuf.st_dev;
1789   else
1790     device = 0;
1791
1792 #ifdef S_ISLNK
1793   is_symlink = stat_ok && S_ISLNK (statbuf.st_mode);
1794 #else
1795   is_symlink = FALSE;
1796 #endif
1797   symlink_broken = FALSE;
1798 #ifdef S_ISLNK
1799   if (is_symlink)
1800     {
1801       g_file_info_set_is_symlink (info, TRUE);
1802
1803       /* Unless NOFOLLOW was set we default to following symlinks */
1804       if (!(flags & G_FILE_QUERY_INFO_NOFOLLOW_SYMLINKS))
1805         {
1806           res = stat (path, &statbuf2);
1807
1808           /* Report broken links as symlinks */
1809           if (res != -1)
1810             {
1811               statbuf = statbuf2;
1812               stat_ok = TRUE;
1813             }
1814           else
1815             symlink_broken = TRUE;
1816         }
1817     }
1818 #endif
1819
1820   if (stat_ok)
1821     set_info_from_stat (info, &statbuf, attribute_matcher);
1822
1823 #ifdef G_OS_UNIX
1824   if (stat_ok && _g_local_file_is_lost_found_dir (path, statbuf.st_dev))
1825     g_file_info_set_is_hidden (info, TRUE);
1826 #endif
1827
1828 #ifndef G_OS_WIN32
1829   if (_g_file_attribute_matcher_matches_id (attribute_matcher,
1830                                             G_FILE_ATTRIBUTE_ID_STANDARD_IS_HIDDEN))
1831     {
1832       if (basename != NULL &&
1833           (basename[0] == '.' ||
1834            file_is_hidden (path, basename)))
1835         g_file_info_set_is_hidden (info, TRUE);
1836     }
1837
1838   if (basename != NULL && basename[strlen (basename) -1] == '~' &&
1839       (stat_ok && S_ISREG (statbuf.st_mode)))
1840     _g_file_info_set_attribute_boolean_by_id (info, G_FILE_ATTRIBUTE_ID_STANDARD_IS_BACKUP, TRUE);
1841 #else
1842   if (dos_attributes & FILE_ATTRIBUTE_HIDDEN)
1843     g_file_info_set_is_hidden (info, TRUE);
1844
1845   if (dos_attributes & FILE_ATTRIBUTE_ARCHIVE)
1846     _g_file_info_set_attribute_boolean_by_id (info, G_FILE_ATTRIBUTE_ID_DOS_IS_ARCHIVE, TRUE);
1847
1848   if (dos_attributes & FILE_ATTRIBUTE_SYSTEM)
1849     _g_file_info_set_attribute_boolean_by_id (info, G_FILE_ATTRIBUTE_ID_DOS_IS_SYSTEM, TRUE);
1850 #endif
1851
1852   symlink_target = NULL;
1853 #ifdef S_ISLNK
1854   if (is_symlink)
1855     {
1856       symlink_target = read_link (path);
1857       if (symlink_target &&
1858           _g_file_attribute_matcher_matches_id (attribute_matcher,
1859                                                 G_FILE_ATTRIBUTE_ID_STANDARD_SYMLINK_TARGET))
1860         g_file_info_set_symlink_target (info, symlink_target);
1861     }
1862 #endif
1863   if (_g_file_attribute_matcher_matches_id (attribute_matcher,
1864                                             G_FILE_ATTRIBUTE_ID_STANDARD_CONTENT_TYPE) ||
1865       _g_file_attribute_matcher_matches_id (attribute_matcher,
1866                                             G_FILE_ATTRIBUTE_ID_STANDARD_ICON) ||
1867       _g_file_attribute_matcher_matches_id (attribute_matcher,
1868                                             G_FILE_ATTRIBUTE_ID_STANDARD_SYMBOLIC_ICON))
1869     {
1870       char *content_type = get_content_type (basename, path, stat_ok ? &statbuf : NULL, is_symlink, symlink_broken, flags, FALSE);
1871
1872       if (content_type)
1873         {
1874           g_file_info_set_content_type (info, content_type);
1875
1876           if (_g_file_attribute_matcher_matches_id (attribute_matcher,
1877                                                      G_FILE_ATTRIBUTE_ID_STANDARD_ICON)
1878                || _g_file_attribute_matcher_matches_id (attribute_matcher,
1879                                                         G_FILE_ATTRIBUTE_ID_STANDARD_SYMBOLIC_ICON))
1880             {
1881               GIcon *icon;
1882
1883               /* non symbolic icon */
1884               icon = get_icon (path, content_type, FALSE);
1885               if (icon != NULL)
1886                 {
1887                   g_file_info_set_icon (info, icon);
1888                   g_object_unref (icon);
1889                 }
1890
1891               /* symbolic icon */
1892               icon = get_icon (path, content_type, TRUE);
1893               if (icon != NULL)
1894                 {
1895                   g_file_info_set_symbolic_icon (info, icon);
1896                   g_object_unref (icon);
1897                 }
1898
1899             }
1900
1901           g_free (content_type);
1902         }
1903     }
1904
1905   if (_g_file_attribute_matcher_matches_id (attribute_matcher,
1906                                             G_FILE_ATTRIBUTE_ID_STANDARD_FAST_CONTENT_TYPE))
1907     {
1908       char *content_type = get_content_type (basename, path, stat_ok ? &statbuf : NULL, is_symlink, symlink_broken, flags, TRUE);
1909
1910       if (content_type)
1911         {
1912           _g_file_info_set_attribute_string_by_id (info, G_FILE_ATTRIBUTE_ID_STANDARD_FAST_CONTENT_TYPE, content_type);
1913           g_free (content_type);
1914         }
1915     }
1916
1917   if (_g_file_attribute_matcher_matches_id (attribute_matcher,
1918                                             G_FILE_ATTRIBUTE_ID_OWNER_USER))
1919     {
1920       char *name = NULL;
1921
1922 #ifdef G_OS_WIN32
1923       win32_get_file_user_info (path, NULL, &name, NULL);
1924 #else
1925       if (stat_ok)
1926         name = get_username_from_uid (statbuf.st_uid);
1927 #endif
1928       if (name)
1929         _g_file_info_set_attribute_string_by_id (info, G_FILE_ATTRIBUTE_ID_OWNER_USER, name);
1930       g_free (name);
1931     }
1932
1933   if (_g_file_attribute_matcher_matches_id (attribute_matcher,
1934                                             G_FILE_ATTRIBUTE_ID_OWNER_USER_REAL))
1935     {
1936       char *name = NULL;
1937 #ifdef G_OS_WIN32
1938       win32_get_file_user_info (path, NULL, NULL, &name);
1939 #else
1940       if (stat_ok)
1941         name = get_realname_from_uid (statbuf.st_uid);
1942 #endif
1943       if (name)
1944         _g_file_info_set_attribute_string_by_id (info, G_FILE_ATTRIBUTE_ID_OWNER_USER_REAL, name);
1945       g_free (name);
1946     }
1947
1948   if (_g_file_attribute_matcher_matches_id (attribute_matcher,
1949                                             G_FILE_ATTRIBUTE_ID_OWNER_GROUP))
1950     {
1951       char *name = NULL;
1952 #ifdef G_OS_WIN32
1953       win32_get_file_user_info (path, &name, NULL, NULL);
1954 #else
1955       if (stat_ok)
1956         name = get_groupname_from_gid (statbuf.st_gid);
1957 #endif
1958       if (name)
1959         _g_file_info_set_attribute_string_by_id (info, G_FILE_ATTRIBUTE_ID_OWNER_GROUP, name);
1960       g_free (name);
1961     }
1962
1963   if (stat_ok && parent_info && parent_info->device != 0 &&
1964       _g_file_attribute_matcher_matches_id (attribute_matcher, G_FILE_ATTRIBUTE_ID_UNIX_IS_MOUNTPOINT) &&
1965       statbuf.st_dev != parent_info->device)
1966     _g_file_info_set_attribute_boolean_by_id (info, G_FILE_ATTRIBUTE_ID_UNIX_IS_MOUNTPOINT, TRUE);
1967
1968   if (stat_ok)
1969     get_access_rights (attribute_matcher, info, path, &statbuf, parent_info);
1970
1971 #ifdef HAVE_SELINUX
1972   get_selinux_context (path, info, attribute_matcher, (flags & G_FILE_QUERY_INFO_NOFOLLOW_SYMLINKS) == 0);
1973 #endif
1974   get_xattrs (path, TRUE, info, attribute_matcher, (flags & G_FILE_QUERY_INFO_NOFOLLOW_SYMLINKS) == 0);
1975   get_xattrs (path, FALSE, info, attribute_matcher, (flags & G_FILE_QUERY_INFO_NOFOLLOW_SYMLINKS) == 0);
1976
1977   if (_g_file_attribute_matcher_matches_id (attribute_matcher,
1978                                             G_FILE_ATTRIBUTE_ID_THUMBNAIL_PATH))
1979     {
1980       if (stat_ok)
1981           get_thumbnail_attributes (path, info, &statbuf);
1982       else
1983           get_thumbnail_attributes (path, info, NULL);
1984     }
1985
1986   vfs = g_vfs_get_default ();
1987   class = G_VFS_GET_CLASS (vfs);
1988   if (class->local_file_add_info)
1989     {
1990       class->local_file_add_info (vfs,
1991                                   path,
1992                                   device,
1993                                   attribute_matcher,
1994                                   info,
1995                                   NULL,
1996                                   &parent_info->extra_data,
1997                                   &parent_info->free_extra_data);
1998     }
1999
2000   g_file_info_unset_attribute_mask (info);
2001
2002   g_free (symlink_target);
2003
2004   return info;
2005 }
2006
2007 GFileInfo *
2008 _g_local_file_info_get_from_fd (int         fd,
2009                                 const char *attributes,
2010                                 GError    **error)
2011 {
2012   GLocalFileStat stat_buf;
2013   GFileAttributeMatcher *matcher;
2014   GFileInfo *info;
2015
2016 #ifdef G_OS_WIN32
2017 #define FSTAT _fstati64
2018 #else
2019 #define FSTAT fstat
2020 #endif
2021
2022   if (FSTAT (fd, &stat_buf) == -1)
2023     {
2024       int errsv = errno;
2025
2026       g_set_error (error, G_IO_ERROR,
2027                    g_io_error_from_errno (errsv),
2028                    _("Error when getting information for file descriptor: %s"),
2029                    g_strerror (errsv));
2030       return NULL;
2031     }
2032
2033   info = g_file_info_new ();
2034
2035   matcher = g_file_attribute_matcher_new (attributes);
2036
2037   /* Make sure we don't set any unwanted attributes */
2038   g_file_info_set_attribute_mask (info, matcher);
2039
2040   set_info_from_stat (info, &stat_buf, matcher);
2041
2042 #ifdef HAVE_SELINUX
2043   if (_g_file_attribute_matcher_matches_id (matcher, G_FILE_ATTRIBUTE_ID_SELINUX_CONTEXT) &&
2044       is_selinux_enabled ())
2045     {
2046       char *context;
2047       if (fgetfilecon_raw (fd, &context) >= 0)
2048         {
2049           _g_file_info_set_attribute_string_by_id (info, G_FILE_ATTRIBUTE_ID_SELINUX_CONTEXT, context);
2050           freecon (context);
2051         }
2052     }
2053 #endif
2054
2055   get_xattrs_from_fd (fd, TRUE, info, matcher);
2056   get_xattrs_from_fd (fd, FALSE, info, matcher);
2057
2058   g_file_attribute_matcher_unref (matcher);
2059
2060   g_file_info_unset_attribute_mask (info);
2061
2062   return info;
2063 }
2064
2065 static gboolean
2066 get_uint32 (const GFileAttributeValue  *value,
2067             guint32                    *val_out,
2068             GError                    **error)
2069 {
2070   if (value->type != G_FILE_ATTRIBUTE_TYPE_UINT32)
2071     {
2072       g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_INVALID_ARGUMENT,
2073                            _("Invalid attribute type (uint32 expected)"));
2074       return FALSE;
2075     }
2076
2077   *val_out = value->u.uint32;
2078
2079   return TRUE;
2080 }
2081
2082 #ifdef HAVE_UTIMES
2083 static gboolean
2084 get_uint64 (const GFileAttributeValue  *value,
2085             guint64                    *val_out,
2086             GError                    **error)
2087 {
2088   if (value->type != G_FILE_ATTRIBUTE_TYPE_UINT64)
2089     {
2090       g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_INVALID_ARGUMENT,
2091                            _("Invalid attribute type (uint64 expected)"));
2092       return FALSE;
2093     }
2094
2095   *val_out = value->u.uint64;
2096
2097   return TRUE;
2098 }
2099 #endif
2100
2101 #if defined(HAVE_SYMLINK)
2102 static gboolean
2103 get_byte_string (const GFileAttributeValue  *value,
2104                  const char                **val_out,
2105                  GError                    **error)
2106 {
2107   if (value->type != G_FILE_ATTRIBUTE_TYPE_BYTE_STRING)
2108     {
2109       g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_INVALID_ARGUMENT,
2110                            _("Invalid attribute type (byte string expected)"));
2111       return FALSE;
2112     }
2113
2114   *val_out = value->u.string;
2115
2116   return TRUE;
2117 }
2118 #endif
2119
2120 #ifdef HAVE_SELINUX
2121 static gboolean
2122 get_string (const GFileAttributeValue  *value,
2123             const char                **val_out,
2124             GError                    **error)
2125 {
2126   if (value->type != G_FILE_ATTRIBUTE_TYPE_STRING)
2127     {
2128       g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_INVALID_ARGUMENT,
2129                            _("Invalid attribute type (byte string expected)"));
2130       return FALSE;
2131     }
2132
2133   *val_out = value->u.string;
2134
2135   return TRUE;
2136 }
2137 #endif
2138
2139 static gboolean
2140 set_unix_mode (char                       *filename,
2141                GFileQueryInfoFlags         flags,
2142                const GFileAttributeValue  *value,
2143                GError                    **error)
2144 {
2145   guint32 val = 0;
2146   int res = 0;
2147
2148   if (!get_uint32 (value, &val, error))
2149     return FALSE;
2150
2151 #ifdef HAVE_SYMLINK
2152   if (flags & G_FILE_QUERY_INFO_NOFOLLOW_SYMLINKS) {
2153 #ifdef HAVE_LCHMOD
2154     res = lchmod (filename, val);
2155 #else
2156     struct stat statbuf;
2157     /* Calling chmod on a symlink changes permissions on the symlink.
2158      * We don't want to do this, so we need to check for a symlink */
2159     res = g_lstat (filename, &statbuf);
2160     if (res == 0 && S_ISLNK (statbuf.st_mode))
2161       {
2162         g_set_error_literal (error, G_IO_ERROR,
2163                              G_IO_ERROR_NOT_SUPPORTED,
2164                              _("Cannot set permissions on symlinks"));
2165         return FALSE;
2166       }
2167     else if (res == 0)
2168       res = g_chmod (filename, val);
2169 #endif
2170   } else
2171 #endif
2172     res = g_chmod (filename, val);
2173
2174   if (res == -1)
2175     {
2176       int errsv = errno;
2177
2178       g_set_error (error, G_IO_ERROR,
2179                    g_io_error_from_errno (errsv),
2180                    _("Error setting permissions: %s"),
2181                    g_strerror (errsv));
2182       return FALSE;
2183     }
2184   return TRUE;
2185 }
2186
2187 #ifdef G_OS_UNIX
2188 static gboolean
2189 set_unix_uid_gid (char                       *filename,
2190                   const GFileAttributeValue  *uid_value,
2191                   const GFileAttributeValue  *gid_value,
2192                   GFileQueryInfoFlags         flags,
2193                   GError                    **error)
2194 {
2195   int res;
2196   guint32 val = 0;
2197   uid_t uid;
2198   gid_t gid;
2199
2200   if (uid_value)
2201     {
2202       if (!get_uint32 (uid_value, &val, error))
2203         return FALSE;
2204       uid = val;
2205     }
2206   else
2207     uid = -1;
2208
2209   if (gid_value)
2210     {
2211       if (!get_uint32 (gid_value, &val, error))
2212         return FALSE;
2213       gid = val;
2214     }
2215   else
2216     gid = -1;
2217
2218 #ifdef HAVE_LCHOWN
2219   if (flags & G_FILE_QUERY_INFO_NOFOLLOW_SYMLINKS)
2220     res = lchown (filename, uid, gid);
2221   else
2222 #endif
2223     res = chown (filename, uid, gid);
2224
2225   if (res == -1)
2226     {
2227       int errsv = errno;
2228
2229       g_set_error (error, G_IO_ERROR,
2230                    g_io_error_from_errno (errsv),
2231                    _("Error setting owner: %s"),
2232                    g_strerror (errsv));
2233           return FALSE;
2234     }
2235   return TRUE;
2236 }
2237 #endif
2238
2239 #ifdef HAVE_SYMLINK
2240 static gboolean
2241 set_symlink (char                       *filename,
2242              const GFileAttributeValue  *value,
2243              GError                    **error)
2244 {
2245   const char *val;
2246   struct stat statbuf;
2247
2248   if (!get_byte_string (value, &val, error))
2249     return FALSE;
2250
2251   if (val == NULL)
2252     {
2253       g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_INVALID_ARGUMENT,
2254                            _("symlink must be non-NULL"));
2255       return FALSE;
2256     }
2257
2258   if (g_lstat (filename, &statbuf))
2259     {
2260       int errsv = errno;
2261
2262       g_set_error (error, G_IO_ERROR,
2263                    g_io_error_from_errno (errsv),
2264                    _("Error setting symlink: %s"),
2265                    g_strerror (errsv));
2266       return FALSE;
2267     }
2268
2269   if (!S_ISLNK (statbuf.st_mode))
2270     {
2271       g_set_error_literal (error, G_IO_ERROR,
2272                            G_IO_ERROR_NOT_SYMBOLIC_LINK,
2273                            _("Error setting symlink: file is not a symlink"));
2274       return FALSE;
2275     }
2276
2277   if (g_unlink (filename))
2278     {
2279       int errsv = errno;
2280
2281       g_set_error (error, G_IO_ERROR,
2282                    g_io_error_from_errno (errsv),
2283                    _("Error setting symlink: %s"),
2284                    g_strerror (errsv));
2285       return FALSE;
2286     }
2287
2288   if (symlink (filename, val) != 0)
2289     {
2290       int errsv = errno;
2291
2292       g_set_error (error, G_IO_ERROR,
2293                    g_io_error_from_errno (errsv),
2294                    _("Error setting symlink: %s"),
2295                    g_strerror (errsv));
2296       return FALSE;
2297     }
2298
2299   return TRUE;
2300 }
2301 #endif
2302
2303 #ifdef HAVE_UTIMES
2304 static int
2305 lazy_stat (char        *filename,
2306            struct stat *statbuf,
2307            gboolean    *called_stat)
2308 {
2309   int res;
2310
2311   if (*called_stat)
2312     return 0;
2313
2314   res = g_stat (filename, statbuf);
2315
2316   if (res == 0)
2317     *called_stat = TRUE;
2318
2319   return res;
2320 }
2321
2322
2323 static gboolean
2324 set_mtime_atime (char                       *filename,
2325                  const GFileAttributeValue  *mtime_value,
2326                  const GFileAttributeValue  *mtime_usec_value,
2327                  const GFileAttributeValue  *atime_value,
2328                  const GFileAttributeValue  *atime_usec_value,
2329                  GError                    **error)
2330 {
2331   int res;
2332   guint64 val = 0;
2333   guint32 val_usec = 0;
2334   struct stat statbuf;
2335   gboolean got_stat = FALSE;
2336   struct timeval times[2] = { {0, 0}, {0, 0} };
2337
2338   /* ATIME */
2339   if (atime_value)
2340     {
2341       if (!get_uint64 (atime_value, &val, error))
2342         return FALSE;
2343       times[0].tv_sec = val;
2344     }
2345   else
2346     {
2347       if (lazy_stat (filename, &statbuf, &got_stat) == 0)
2348         {
2349           times[0].tv_sec = statbuf.st_mtime;
2350 #if defined (HAVE_STRUCT_STAT_ST_ATIMENSEC)
2351           times[0].tv_usec = statbuf.st_atimensec / 1000;
2352 #elif defined (HAVE_STRUCT_STAT_ST_ATIM_TV_NSEC)
2353           times[0].tv_usec = statbuf.st_atim.tv_nsec / 1000;
2354 #endif
2355         }
2356     }
2357
2358   if (atime_usec_value)
2359     {
2360       if (!get_uint32 (atime_usec_value, &val_usec, error))
2361         return FALSE;
2362       times[0].tv_usec = val_usec;
2363     }
2364
2365   /* MTIME */
2366   if (mtime_value)
2367     {
2368       if (!get_uint64 (mtime_value, &val, error))
2369         return FALSE;
2370       times[1].tv_sec = val;
2371     }
2372   else
2373     {
2374       if (lazy_stat (filename, &statbuf, &got_stat) == 0)
2375         {
2376           times[1].tv_sec = statbuf.st_mtime;
2377 #if defined (HAVE_STRUCT_STAT_ST_MTIMENSEC)
2378           times[1].tv_usec = statbuf.st_mtimensec / 1000;
2379 #elif defined (HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC)
2380           times[1].tv_usec = statbuf.st_mtim.tv_nsec / 1000;
2381 #endif
2382         }
2383     }
2384
2385   if (mtime_usec_value)
2386     {
2387       if (!get_uint32 (mtime_usec_value, &val_usec, error))
2388         return FALSE;
2389       times[1].tv_usec = val_usec;
2390     }
2391
2392   res = utimes (filename, times);
2393   if (res == -1)
2394     {
2395       int errsv = errno;
2396
2397       g_set_error (error, G_IO_ERROR,
2398                    g_io_error_from_errno (errsv),
2399                    _("Error setting modification or access time: %s"),
2400                    g_strerror (errsv));
2401           return FALSE;
2402     }
2403   return TRUE;
2404 }
2405 #endif
2406
2407
2408 #ifdef HAVE_SELINUX
2409 static gboolean
2410 set_selinux_context (char                       *filename,
2411                  const GFileAttributeValue  *value,
2412                  GError                    **error)
2413 {
2414   const char *val;
2415
2416   if (!get_string (value, &val, error))
2417     return FALSE;
2418
2419   if (val == NULL)
2420   {
2421     g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_INVALID_ARGUMENT,
2422                          _("SELinux context must be non-NULL"));
2423     return FALSE;
2424   }
2425
2426   if (is_selinux_enabled ()) {
2427         security_context_t val_s;
2428
2429         val_s = g_strdup (val);
2430
2431         if (setfilecon_raw (filename, val_s) < 0)
2432         {
2433             int errsv = errno;
2434
2435             g_set_error (error, G_IO_ERROR,
2436                          g_io_error_from_errno (errsv),
2437                         _("Error setting SELinux context: %s"),
2438                          g_strerror (errsv));
2439             return FALSE;
2440         }
2441         g_free (val_s);
2442   } else {
2443     g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_INVALID_ARGUMENT,
2444                          _("SELinux is not enabled on this system"));
2445     return FALSE;
2446   }
2447
2448   return TRUE;
2449 }
2450 #endif
2451
2452
2453 gboolean
2454 _g_local_file_info_set_attribute (char                 *filename,
2455                                   const char           *attribute,
2456                                   GFileAttributeType    type,
2457                                   gpointer              value_p,
2458                                   GFileQueryInfoFlags   flags,
2459                                   GCancellable         *cancellable,
2460                                   GError              **error)
2461 {
2462   GFileAttributeValue value = { 0 };
2463   GVfsClass *class;
2464   GVfs *vfs;
2465
2466   _g_file_attribute_value_set_from_pointer (&value, type, value_p, FALSE);
2467
2468   if (strcmp (attribute, G_FILE_ATTRIBUTE_UNIX_MODE) == 0)
2469     return set_unix_mode (filename, flags, &value, error);
2470
2471 #ifdef G_OS_UNIX
2472   else if (strcmp (attribute, G_FILE_ATTRIBUTE_UNIX_UID) == 0)
2473     return set_unix_uid_gid (filename, &value, NULL, flags, error);
2474   else if (strcmp (attribute, G_FILE_ATTRIBUTE_UNIX_GID) == 0)
2475     return set_unix_uid_gid (filename, NULL, &value, flags, error);
2476 #endif
2477
2478 #ifdef HAVE_SYMLINK
2479   else if (strcmp (attribute, G_FILE_ATTRIBUTE_STANDARD_SYMLINK_TARGET) == 0)
2480     return set_symlink (filename, &value, error);
2481 #endif
2482
2483 #ifdef HAVE_UTIMES
2484   else if (strcmp (attribute, G_FILE_ATTRIBUTE_TIME_MODIFIED) == 0)
2485     return set_mtime_atime (filename, &value, NULL, NULL, NULL, error);
2486   else if (strcmp (attribute, G_FILE_ATTRIBUTE_TIME_MODIFIED_USEC) == 0)
2487     return set_mtime_atime (filename, NULL, &value, NULL, NULL, error);
2488   else if (strcmp (attribute, G_FILE_ATTRIBUTE_TIME_ACCESS) == 0)
2489     return set_mtime_atime (filename, NULL, NULL, &value, NULL, error);
2490   else if (strcmp (attribute, G_FILE_ATTRIBUTE_TIME_ACCESS_USEC) == 0)
2491     return set_mtime_atime (filename, NULL, NULL, NULL, &value, error);
2492 #endif
2493
2494 #ifdef HAVE_XATTR
2495   else if (g_str_has_prefix (attribute, "xattr::"))
2496     return set_xattr (filename, attribute, &value, error);
2497   else if (g_str_has_prefix (attribute, "xattr-sys::"))
2498     return set_xattr (filename, attribute, &value, error);
2499 #endif
2500
2501 #ifdef HAVE_SELINUX
2502   else if (strcmp (attribute, G_FILE_ATTRIBUTE_SELINUX_CONTEXT) == 0)
2503     return set_selinux_context (filename, &value, error);
2504 #endif
2505
2506   vfs = g_vfs_get_default ();
2507   class = G_VFS_GET_CLASS (vfs);
2508   if (class->local_file_set_attributes)
2509     {
2510       GFileInfo *info;
2511
2512       info = g_file_info_new ();
2513       g_file_info_set_attribute (info,
2514                                  attribute,
2515                                  type,
2516                                  value_p);
2517       if (!class->local_file_set_attributes (vfs, filename,
2518                                              info,
2519                                              flags, cancellable,
2520                                              error))
2521         {
2522           g_object_unref (info);
2523           return FALSE;
2524         }
2525
2526       if (g_file_info_get_attribute_status (info, attribute) == G_FILE_ATTRIBUTE_STATUS_SET)
2527         {
2528           g_object_unref (info);
2529           return TRUE;
2530         }
2531
2532       g_object_unref (info);
2533     }
2534
2535   g_set_error (error, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED,
2536                _("Setting attribute %s not supported"), attribute);
2537   return FALSE;
2538 }
2539
2540 gboolean
2541 _g_local_file_info_set_attributes  (char                 *filename,
2542                                     GFileInfo            *info,
2543                                     GFileQueryInfoFlags   flags,
2544                                     GCancellable         *cancellable,
2545                                     GError              **error)
2546 {
2547   GFileAttributeValue *value;
2548 #ifdef G_OS_UNIX
2549   GFileAttributeValue *uid, *gid;
2550 #ifdef HAVE_UTIMES
2551   GFileAttributeValue *mtime, *mtime_usec, *atime, *atime_usec;
2552 #endif
2553   GFileAttributeStatus status;
2554 #endif
2555   gboolean res;
2556   GVfsClass *class;
2557   GVfs *vfs;
2558
2559   /* Handles setting multiple specified data in a single set, and takes care
2560      of ordering restrictions when setting attributes */
2561
2562   res = TRUE;
2563
2564   /* Set symlink first, since this recreates the file */
2565 #ifdef HAVE_SYMLINK
2566   value = _g_file_info_get_attribute_value (info, G_FILE_ATTRIBUTE_STANDARD_SYMLINK_TARGET);
2567   if (value)
2568     {
2569       if (!set_symlink (filename, value, error))
2570         {
2571           value->status = G_FILE_ATTRIBUTE_STATUS_ERROR_SETTING;
2572           res = FALSE;
2573           /* Don't set error multiple times */
2574           error = NULL;
2575         }
2576       else
2577         value->status = G_FILE_ATTRIBUTE_STATUS_SET;
2578
2579     }
2580 #endif
2581
2582 #ifdef G_OS_UNIX
2583   /* Group uid and gid setting into one call
2584    * Change ownership before permissions, since ownership changes can
2585      change permissions (e.g. setuid)
2586    */
2587   uid = _g_file_info_get_attribute_value (info, G_FILE_ATTRIBUTE_UNIX_UID);
2588   gid = _g_file_info_get_attribute_value (info, G_FILE_ATTRIBUTE_UNIX_GID);
2589
2590   if (uid || gid)
2591     {
2592       if (!set_unix_uid_gid (filename, uid, gid, flags, error))
2593         {
2594           status = G_FILE_ATTRIBUTE_STATUS_ERROR_SETTING;
2595           res = FALSE;
2596           /* Don't set error multiple times */
2597           error = NULL;
2598         }
2599       else
2600         status = G_FILE_ATTRIBUTE_STATUS_SET;
2601       if (uid)
2602         uid->status = status;
2603       if (gid)
2604         gid->status = status;
2605     }
2606 #endif
2607
2608   value = _g_file_info_get_attribute_value (info, G_FILE_ATTRIBUTE_UNIX_MODE);
2609   if (value)
2610     {
2611       if (!set_unix_mode (filename, flags, value, error))
2612         {
2613           value->status = G_FILE_ATTRIBUTE_STATUS_ERROR_SETTING;
2614           res = FALSE;
2615           /* Don't set error multiple times */
2616           error = NULL;
2617         }
2618       else
2619         value->status = G_FILE_ATTRIBUTE_STATUS_SET;
2620
2621     }
2622
2623 #ifdef HAVE_UTIMES
2624   /* Group all time settings into one call
2625    * Change times as the last thing to avoid it changing due to metadata changes
2626    */
2627
2628   mtime = _g_file_info_get_attribute_value (info, G_FILE_ATTRIBUTE_TIME_MODIFIED);
2629   mtime_usec = _g_file_info_get_attribute_value (info, G_FILE_ATTRIBUTE_TIME_MODIFIED_USEC);
2630   atime = _g_file_info_get_attribute_value (info, G_FILE_ATTRIBUTE_TIME_ACCESS);
2631   atime_usec = _g_file_info_get_attribute_value (info, G_FILE_ATTRIBUTE_TIME_ACCESS_USEC);
2632
2633   if (mtime || mtime_usec || atime || atime_usec)
2634     {
2635       if (!set_mtime_atime (filename, mtime, mtime_usec, atime, atime_usec, error))
2636         {
2637           status = G_FILE_ATTRIBUTE_STATUS_ERROR_SETTING;
2638           res = FALSE;
2639           /* Don't set error multiple times */
2640           error = NULL;
2641         }
2642       else
2643         status = G_FILE_ATTRIBUTE_STATUS_SET;
2644
2645       if (mtime)
2646         mtime->status = status;
2647       if (mtime_usec)
2648         mtime_usec->status = status;
2649       if (atime)
2650         atime->status = status;
2651       if (atime_usec)
2652         atime_usec->status = status;
2653     }
2654 #endif
2655
2656   /* xattrs are handled by default callback */
2657
2658
2659   /*  SELinux context */
2660 #ifdef HAVE_SELINUX
2661   if (is_selinux_enabled ()) {
2662     value = _g_file_info_get_attribute_value (info, G_FILE_ATTRIBUTE_SELINUX_CONTEXT);
2663     if (value)
2664     {
2665       if (!set_selinux_context (filename, value, error))
2666         {
2667           value->status = G_FILE_ATTRIBUTE_STATUS_ERROR_SETTING;
2668           res = FALSE;
2669           /* Don't set error multiple times */
2670           error = NULL;
2671         }
2672       else
2673         value->status = G_FILE_ATTRIBUTE_STATUS_SET;
2674     }
2675   }
2676 #endif
2677
2678   vfs = g_vfs_get_default ();
2679   class = G_VFS_GET_CLASS (vfs);
2680   if (class->local_file_set_attributes)
2681     {
2682       if (!class->local_file_set_attributes (vfs, filename,
2683                                              info,
2684                                              flags, cancellable,
2685                                              error))
2686         {
2687           res = FALSE;
2688           /* Don't set error multiple times */
2689           error = NULL;
2690         }
2691     }
2692
2693   return res;
2694 }