/[rdesktop]/sourceforge.net/trunk/rdesktop/disk.c
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
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revision 664 by astrand, Sat Apr 17 07:14:41 2004 UTC revision 785 by astrand, Thu Oct 21 08:10:04 2004 UTC
# Line 20  Line 20 
20    
21  #include "disk.h"  #include "disk.h"
22    
 #if (defined(sun) && (defined(__svr4__) || defined(__SVR4)))  
 #define SOLARIS  
 #endif  
   
 #if (defined(SOLARIS) || defined(__hpux))  
 #define DIRFD(a) ((a)->dd_fd)  
 #else  
 #define DIRFD(a) (dirfd(a))  
 #endif  
   
23  #include <sys/types.h>  #include <sys/types.h>
24  #include <sys/stat.h>  #include <sys/stat.h>
25  #include <unistd.h>  #include <unistd.h>
# Line 41  Line 31 
31  #include <utime.h>  #include <utime.h>
32  #include <time.h>               /* ctime */  #include <time.h>               /* ctime */
33    
34    #if (defined(HAVE_DIRFD) || (HAVE_DECL_DIRFD == 1))
35    #define DIRFD(a) (dirfd(a))
36    #else
37    #define DIRFD(a) ((a)->DIR_FD_MEMBER_NAME)
38    #endif
39    
40    /* TODO: let autoconf figure out everything below... */
41    #if (defined(sun) && (defined(__svr4__) || defined(__SVR4)))
42    #define SOLARIS
43    #endif
44    
45  #if (defined(SOLARIS) || defined (__hpux) || defined(__BEOS__))  #if (defined(SOLARIS) || defined (__hpux) || defined(__BEOS__))
46  #include <sys/statvfs.h>        /* solaris statvfs */  #include <sys/statvfs.h>        /* solaris statvfs */
47  #include <sys/mntent.h>  /* TODO: Fix mntent-handling for solaris/hpux
48  /* TODO: Fix mntent-handling for solaris */   * #include <sys/mntent.h> */
49  #undef HAVE_MNTENT_H  #undef HAVE_MNTENT_H
50  #define MNTENT_PATH "/etc/mnttab"  #define MNTENT_PATH "/etc/mnttab"
51  #define STATFS_FN(path, buf) (statvfs(path,buf))  #define STATFS_FN(path, buf) (statvfs(path,buf))
52  #define STATFS_T statvfs  #define STATFS_T statvfs
53  #define F_NAMELEN(buf) ((buf).f_namemax)  #define F_NAMELEN(buf) ((buf).f_namemax)
54    
55  #elif (defined(__OpenBSD__) || defined(__NetBSD__) || defined(__FreeBSD__))  #elif (defined(__OpenBSD__) || defined(__NetBSD__) || defined(__FreeBSD__) || defined(__APPLE__))
56  #include <sys/param.h>  #include <sys/param.h>
57  #include <sys/mount.h>  #include <sys/mount.h>
58  #define STATFS_FN(path, buf) (statfs(path,buf))  #define STATFS_FN(path, buf) (statfs(path,buf))
59  #define STATFS_T statfs  #define STATFS_T statfs
60  #define F_NAMELEN(buf) (NAME_MAX)  #define F_NAMELEN(buf) (NAME_MAX)
61    
62    #elif (defined(__SGI_IRIX__))
63    #include <sys/types.h>
64    #include <sys/statvfs.h>
65    #define STATFS_FN(path, buf) (statvfs(path,buf))
66    #define STATFS_T statvfs
67    #define F_NAMELEN(buf) ((buf).f_namemax)
68    
69  #else  #else
70  #include <sys/vfs.h>            /* linux statfs */  #include <sys/vfs.h>            /* linux statfs */
71  #include <mntent.h>  #include <mntent.h>
# Line 125  convert_1970_to_filetime(uint32 high, ui Line 132  convert_1970_to_filetime(uint32 high, ui
132    
133  }  }
134    
135    /* A wrapper for ftruncate which supports growing files, even if the
136       native ftruncate doesn't. This is needed on Linux FAT filesystems,
137       for example. */
138    static int
139    ftruncate_growable(int fd, off_t length)
140    {
141            int ret;
142            off_t pos;
143            static const char zero;
144    
145            /* Try the simple method first */
146            if ((ret = ftruncate(fd, length)) != -1)
147            {
148                    return ret;
149            }
150    
151            /*
152             * Some kind of error. Perhaps we were trying to grow. Retry
153             * in a safe way.
154             */
155    
156            /* Get current position */
157            if ((pos = lseek(fd, 0, SEEK_CUR)) == -1)
158            {
159                    perror("lseek");
160                    return -1;
161            }
162    
163            /* Seek to new size */
164            if (lseek(fd, length, SEEK_SET) == -1)
165            {
166                    perror("lseek");
167                    return -1;
168            }
169    
170            /* Write a zero */
171            if (write(fd, &zero, 1) == -1)
172            {
173                    perror("write");
174                    return -1;
175            }
176    
177            /* Truncate. This shouldn't fail. */
178            if (ftruncate(fd, length) == -1)
179            {
180                    perror("ftruncate");
181                    return -1;
182            }
183    
184            /* Restore position */
185            if (lseek(fd, pos, SEEK_SET) == -1)
186            {
187                    perror("lseek");
188                    return -1;
189            }
190    
191            return 0;
192    }
193    
194    
195  /* Enumeration of devices from rdesktop.c        */  /* Enumeration of devices from rdesktop.c        */
196  /* returns numer of units found and initialized. */  /* returns numer of units found and initialized. */
# Line 142  disk_enum_devices(uint32 * id, char *opt Line 208  disk_enum_devices(uint32 * id, char *opt
208          while ((pos = next_arg(optarg, ',')) && *id < RDPDR_MAX_DEVICES)          while ((pos = next_arg(optarg, ',')) && *id < RDPDR_MAX_DEVICES)
209          {          {
210                  pos2 = next_arg(optarg, '=');                  pos2 = next_arg(optarg, '=');
                 strcpy(g_rdpdr_device[*id].name, optarg);  
   
                 toupper_str(g_rdpdr_device[*id].name);  
211    
212                  /* add trailing colon to name. */                  strncpy(g_rdpdr_device[*id].name, optarg, sizeof(g_rdpdr_device[*id].name));
213                  strcat(g_rdpdr_device[*id].name, ":");                  if (strlen(optarg) > 8)
214                            fprintf(stderr, "share name %s truncated to %s\n", optarg,
215                                    g_rdpdr_device[*id].name);
216    
217                  g_rdpdr_device[*id].local_path = xmalloc(strlen(pos2) + 1);                  g_rdpdr_device[*id].local_path = xmalloc(strlen(pos2) + 1);
218                  strcpy(g_rdpdr_device[*id].local_path, pos2);                  strcpy(g_rdpdr_device[*id].local_path, pos2);
                 printf("DISK %s to %s\n", g_rdpdr_device[*id].name, g_rdpdr_device[*id].local_path);  
219                  g_rdpdr_device[*id].device_type = DEVICE_TYPE_DISK;                  g_rdpdr_device[*id].device_type = DEVICE_TYPE_DISK;
220                  count++;                  count++;
221                  (*id)++;                  (*id)++;
# Line 164  disk_enum_devices(uint32 * id, char *opt Line 228  disk_enum_devices(uint32 * id, char *opt
228  /* Opens or creates a file or directory */  /* Opens or creates a file or directory */
229  static NTSTATUS  static NTSTATUS
230  disk_create(uint32 device_id, uint32 accessmask, uint32 sharemode, uint32 create_disposition,  disk_create(uint32 device_id, uint32 accessmask, uint32 sharemode, uint32 create_disposition,
231              uint32 flags_and_attributes, char *filename, HANDLE * phandle)              uint32 flags_and_attributes, char *filename, NTHANDLE * phandle)
232  {  {
233          HANDLE handle;          NTHANDLE handle;
234          DIR *dirp;          DIR *dirp;
235          int flags, mode;          int flags, mode;
236          char path[256];          char path[256];
# Line 320  disk_create(uint32 device_id, uint32 acc Line 384  disk_create(uint32 device_id, uint32 acc
384  }  }
385    
386  static NTSTATUS  static NTSTATUS
387  disk_close(HANDLE handle)  disk_close(NTHANDLE handle)
388  {  {
389          struct fileinfo *pfinfo;          struct fileinfo *pfinfo;
390    
# Line 340  disk_close(HANDLE handle) Line 404  disk_close(HANDLE handle)
404  }  }
405    
406  static NTSTATUS  static NTSTATUS
407  disk_read(HANDLE handle, uint8 * data, uint32 length, uint32 offset, uint32 * result)  disk_read(NTHANDLE handle, uint8 * data, uint32 length, uint32 offset, uint32 * result)
408  {  {
409          int n;          int n;
410    
# Line 377  disk_read(HANDLE handle, uint8 * data, u Line 441  disk_read(HANDLE handle, uint8 * data, u
441  }  }
442    
443  static NTSTATUS  static NTSTATUS
444  disk_write(HANDLE handle, uint8 * data, uint32 length, uint32 offset, uint32 * result)  disk_write(NTHANDLE handle, uint8 * data, uint32 length, uint32 offset, uint32 * result)
445  {  {
446          int n;          int n;
447    
# Line 404  disk_write(HANDLE handle, uint8 * data, Line 468  disk_write(HANDLE handle, uint8 * data,
468  }  }
469    
470  NTSTATUS  NTSTATUS
471  disk_query_information(HANDLE handle, uint32 info_class, STREAM out)  disk_query_information(NTHANDLE handle, uint32 info_class, STREAM out)
472  {  {
473          uint32 file_attributes, ft_high, ft_low;          uint32 file_attributes, ft_high, ft_low;
474          struct stat filestat;          struct stat filestat;
# Line 485  disk_query_information(HANDLE handle, ui Line 549  disk_query_information(HANDLE handle, ui
549  }  }
550    
551  NTSTATUS  NTSTATUS
552  disk_set_information(HANDLE handle, uint32 info_class, STREAM in, STREAM out)  disk_set_information(NTHANDLE handle, uint32 info_class, STREAM in, STREAM out)
553  {  {
554          uint32 device_id, length, file_attributes, ft_high, ft_low;          uint32 device_id, length, file_attributes, ft_high, ft_low;
555          char newname[256], fullpath[256];          char newname[256], fullpath[256];
# Line 653  disk_set_information(HANDLE handle, uint Line 717  disk_set_information(HANDLE handle, uint
717                                  if (stat_fs.f_bsize * stat_fs.f_bfree < length)                                  if (stat_fs.f_bsize * stat_fs.f_bfree < length)
718                                          return STATUS_DISK_FULL;                                          return STATUS_DISK_FULL;
719    
720                          if (ftruncate(handle, length) != 0)                          if (ftruncate_growable(handle, length) != 0)
721                          {                          {
                                 perror("ftruncate");  
722                                  return STATUS_DISK_FULL;                                  return STATUS_DISK_FULL;
723                          }                          }
724    
# Line 737  FsVolumeInfo(char *fpath) Line 800  FsVolumeInfo(char *fpath)
800    
801    
802  NTSTATUS  NTSTATUS
803  disk_query_volume_information(HANDLE handle, uint32 info_class, STREAM out)  disk_query_volume_information(NTHANDLE handle, uint32 info_class, STREAM out)
804  {  {
805          struct STATFS_T stat_fs;          struct STATFS_T stat_fs;
806          struct fileinfo *pfinfo;          struct fileinfo *pfinfo;
# Line 802  disk_query_volume_information(HANDLE han Line 865  disk_query_volume_information(HANDLE han
865  }  }
866    
867  NTSTATUS  NTSTATUS
868  disk_query_directory(HANDLE handle, uint32 info_class, char *pattern, STREAM out)  disk_query_directory(NTHANDLE handle, uint32 info_class, char *pattern, STREAM out)
869  {  {
870          uint32 file_attributes, ft_low, ft_high;          uint32 file_attributes, ft_low, ft_high;
871          char *dirname, fullpath[256];          char *dirname, fullpath[256];
# Line 818  disk_query_directory(HANDLE handle, uint Line 881  disk_query_directory(HANDLE handle, uint
881    
882          switch (info_class)          switch (info_class)
883          {          {
884                  case 3: //FIXME: Why 3?                  case FileBothDirectoryInformation:
885    
886                          // If a search pattern is received, remember this pattern, and restart search                          // If a search pattern is received, remember this pattern, and restart search
887                          if (pattern[0] != 0)                          if (pattern[0] != 0)
# Line 838  disk_query_directory(HANDLE handle, uint Line 901  disk_query_directory(HANDLE handle, uint
901                          // Get information for directory entry                          // Get information for directory entry
902                          sprintf(fullpath, "%s/%s", dirname, pdirent->d_name);                          sprintf(fullpath, "%s/%s", dirname, pdirent->d_name);
903    
                         /* JIF  
                            printf("Stat: %s\n", fullpath); */  
904                          if (stat(fullpath, &fstat))                          if (stat(fullpath, &fstat))
905                          {                          {
906                                  perror("stat");                                  switch (errno)
907                                  out_uint8(out, 0);                                  {
908                                  return STATUS_ACCESS_DENIED;                                          case ENOENT:
909                                            case ELOOP:
910                                            case EACCES:
911                                                    /* These are non-fatal errors. */
912                                                    memset(&fstat, 0, sizeof(fstat));
913                                                    break;
914                                            default:
915                                                    /* Fatal error. By returning STATUS_NO_SUCH_FILE,
916                                                       the directory list operation will be aborted */
917                                                    perror(fullpath);
918                                                    out_uint8(out, 0);
919                                                    return STATUS_NO_SUCH_FILE;
920                                    }
921                          }                          }
922    
923                          if (S_ISDIR(fstat.st_mode))                          if (S_ISDIR(fstat.st_mode))
# Line 888  disk_query_directory(HANDLE handle, uint Line 961  disk_query_directory(HANDLE handle, uint
961                          break;                          break;
962    
963                  default:                  default:
964                            /* FIXME: Support FileDirectoryInformation,
965                               FileFullDirectoryInformation, and
966                               FileNamesInformation */
967    
968                          unimpl("IRP Query Directory sub: 0x%x\n", info_class);                          unimpl("IRP Query Directory sub: 0x%x\n", info_class);
969                          return STATUS_INVALID_PARAMETER;                          return STATUS_INVALID_PARAMETER;
# Line 899  disk_query_directory(HANDLE handle, uint Line 975  disk_query_directory(HANDLE handle, uint
975    
976    
977  static NTSTATUS  static NTSTATUS
978  disk_device_control(HANDLE handle, uint32 request, STREAM in, STREAM out)  disk_device_control(NTHANDLE handle, uint32 request, STREAM in, STREAM out)
979  {  {
980          uint32 result;          uint32 result;
981    
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