/[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 696 by astrand, Tue May 11 12:46:39 2004 UTC revision 787 by astrand, Thu Oct 21 08:28:03 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 */
# Line 52  Line 52 
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);  
211    
212                  toupper_str(g_rdpdr_device[*id].name);                  strncpy(g_rdpdr_device[*id].name, optarg, sizeof(g_rdpdr_device[*id].name));
213                    if (strlen(optarg) > 8)
214                  /* add trailing colon to name. */                          fprintf(stderr, "share name %s truncated to %s\n", optarg,
215                  strcat(g_rdpdr_device[*id].name, ":");                                  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 177  disk_create(uint32 device_id, uint32 acc Line 241  disk_create(uint32 device_id, uint32 acc
241          flags = 0;          flags = 0;
242          mode = S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH;          mode = S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH;
243    
244            if (*filename && filename[strlen(filename) - 1] == '/')
         if (filename[strlen(filename) - 1] == '/')  
245                  filename[strlen(filename) - 1] = 0;                  filename[strlen(filename) - 1] = 0;
246          sprintf(path, "%s%s", g_rdpdr_device[device_id].local_path, filename);          sprintf(path, "%s%s", g_rdpdr_device[device_id].local_path, filename);
247    
# Line 320  disk_create(uint32 device_id, uint32 acc Line 383  disk_create(uint32 device_id, uint32 acc
383  }  }
384    
385  static NTSTATUS  static NTSTATUS
386  disk_close(HANDLE handle)  disk_close(NTHANDLE handle)
387  {  {
388          struct fileinfo *pfinfo;          struct fileinfo *pfinfo;
389    
# Line 340  disk_close(HANDLE handle) Line 403  disk_close(HANDLE handle)
403  }  }
404    
405  static NTSTATUS  static NTSTATUS
406  disk_read(HANDLE handle, uint8 * data, uint32 length, uint32 offset, uint32 * result)  disk_read(NTHANDLE handle, uint8 * data, uint32 length, uint32 offset, uint32 * result)
407  {  {
408          int n;          int n;
409    
# Line 377  disk_read(HANDLE handle, uint8 * data, u Line 440  disk_read(HANDLE handle, uint8 * data, u
440  }  }
441    
442  static NTSTATUS  static NTSTATUS
443  disk_write(HANDLE handle, uint8 * data, uint32 length, uint32 offset, uint32 * result)  disk_write(NTHANDLE handle, uint8 * data, uint32 length, uint32 offset, uint32 * result)
444  {  {
445          int n;          int n;
446    
# Line 404  disk_write(HANDLE handle, uint8 * data, Line 467  disk_write(HANDLE handle, uint8 * data,
467  }  }
468    
469  NTSTATUS  NTSTATUS
470  disk_query_information(HANDLE handle, uint32 info_class, STREAM out)  disk_query_information(NTHANDLE handle, uint32 info_class, STREAM out)
471  {  {
472          uint32 file_attributes, ft_high, ft_low;          uint32 file_attributes, ft_high, ft_low;
473          struct stat filestat;          struct stat filestat;
# Line 485  disk_query_information(HANDLE handle, ui Line 548  disk_query_information(HANDLE handle, ui
548  }  }
549    
550  NTSTATUS  NTSTATUS
551  disk_set_information(HANDLE handle, uint32 info_class, STREAM in, STREAM out)  disk_set_information(NTHANDLE handle, uint32 info_class, STREAM in, STREAM out)
552  {  {
553          uint32 device_id, length, file_attributes, ft_high, ft_low;          uint32 length, file_attributes, ft_high, ft_low;
554          char newname[256], fullpath[256];          char newname[256], fullpath[256];
555          struct fileinfo *pfinfo;          struct fileinfo *pfinfo;
556    
# Line 653  disk_set_information(HANDLE handle, uint Line 716  disk_set_information(HANDLE handle, uint
716                                  if (stat_fs.f_bsize * stat_fs.f_bfree < length)                                  if (stat_fs.f_bsize * stat_fs.f_bfree < length)
717                                          return STATUS_DISK_FULL;                                          return STATUS_DISK_FULL;
718    
719                          /* FIXME: Growing file with ftruncate doesn't                          if (ftruncate_growable(handle, length) != 0)
                            work with Linux FAT fs */  
                         if (ftruncate(handle, length) != 0)  
720                          {                          {
                                 perror("ftruncate");  
721                                  return STATUS_DISK_FULL;                                  return STATUS_DISK_FULL;
722                          }                          }
723    
# Line 739  FsVolumeInfo(char *fpath) Line 799  FsVolumeInfo(char *fpath)
799    
800    
801  NTSTATUS  NTSTATUS
802  disk_query_volume_information(HANDLE handle, uint32 info_class, STREAM out)  disk_query_volume_information(NTHANDLE handle, uint32 info_class, STREAM out)
803  {  {
804          struct STATFS_T stat_fs;          struct STATFS_T stat_fs;
805          struct fileinfo *pfinfo;          struct fileinfo *pfinfo;
# Line 804  disk_query_volume_information(HANDLE han Line 864  disk_query_volume_information(HANDLE han
864  }  }
865    
866  NTSTATUS  NTSTATUS
867  disk_query_directory(HANDLE handle, uint32 info_class, char *pattern, STREAM out)  disk_query_directory(NTHANDLE handle, uint32 info_class, char *pattern, STREAM out)
868  {  {
869          uint32 file_attributes, ft_low, ft_high;          uint32 file_attributes, ft_low, ft_high;
870          char *dirname, fullpath[256];          char *dirname, fullpath[256];
# Line 840  disk_query_directory(HANDLE handle, uint Line 900  disk_query_directory(HANDLE handle, uint
900                          // Get information for directory entry                          // Get information for directory entry
901                          sprintf(fullpath, "%s/%s", dirname, pdirent->d_name);                          sprintf(fullpath, "%s/%s", dirname, pdirent->d_name);
902    
                         /* JIF  
                            printf("Stat: %s\n", fullpath); */  
903                          if (stat(fullpath, &fstat))                          if (stat(fullpath, &fstat))
904                          {                          {
905                                  perror("stat");                                  switch (errno)
906                                  out_uint8(out, 0);                                  {
907                                  return STATUS_ACCESS_DENIED;                                          case ENOENT:
908                                            case ELOOP:
909                                            case EACCES:
910                                                    /* These are non-fatal errors. */
911                                                    memset(&fstat, 0, sizeof(fstat));
912                                                    break;
913                                            default:
914                                                    /* Fatal error. By returning STATUS_NO_SUCH_FILE,
915                                                       the directory list operation will be aborted */
916                                                    perror(fullpath);
917                                                    out_uint8(out, 0);
918                                                    return STATUS_NO_SUCH_FILE;
919                                    }
920                          }                          }
921    
922                          if (S_ISDIR(fstat.st_mode))                          if (S_ISDIR(fstat.st_mode))
# Line 904  disk_query_directory(HANDLE handle, uint Line 974  disk_query_directory(HANDLE handle, uint
974    
975    
976  static NTSTATUS  static NTSTATUS
977  disk_device_control(HANDLE handle, uint32 request, STREAM in, STREAM out)  disk_device_control(NTHANDLE handle, uint32 request, STREAM in, STREAM out)
978  {  {
         uint32 result;  
   
979          if (((request >> 16) != 20) || ((request >> 16) != 9))          if (((request >> 16) != 20) || ((request >> 16) != 9))
980                  return STATUS_INVALID_PARAMETER;                  return STATUS_INVALID_PARAMETER;
981    
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