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Fill out file modes better and clean up interface more by trying to

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funnel into POSIX file mode_t. FIXME: something needs to be done to
merge ISO9660 interfaces and UDF and probably the right thing is to
make it look like POSIX. Would be nice if there were a library
e.g. from GNU fileutils I could use to help.
This commit is contained in:
rocky
2005-10-30 05:43:01 +00:00
parent 7b44e5b47e
commit 17de10953a
7 changed files with 416 additions and 68 deletions
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95
lib/udf/udf.c
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@@ -1,5 +1,5 @@
/*
$Id: udf.c,v 1.5 2005/10/29 14:52:47 rocky Exp $
$Id: udf.c,v 1.6 2005/10/30 05:43:01 rocky Exp $
Copyright (C) 2005 Rocky Bernstein <rocky@panix.com>
@@ -26,6 +26,10 @@
# include <string.h>
#endif
#ifdef HAVE_SYS_STAT_H
# include <sys/stat.h>
#endif
/** The below variables are trickery to force enum symbol values to be
recorded in debug symbol tables. They are used to allow one to refer
to the enumeration value names in the typedefs above in a debugger
@@ -34,31 +38,67 @@
tag_id_t debug_tagid;
file_characteristics_t debug_file_characteristics;
udf_enum1_t debug_udf_enum1;
icbtag_file_type_enum_t debug_icbtag_file_type_enum;
ecma_167_enum1_t ecma167_enum1;
ecma_167_timezone_enum_t debug_ecma_167_timezone_enum;
/*!
Returns a string which interpreting the extended attribute permissions
Returns POSIX mode bitstring for a given file.
*/
const char *
udf_get_attr_str(udf_Uint32_t permissions, char *result)
mode_t
udf_get_posix_filemode(const udf_file_t *p_udf_file)
{
uint32_t i_perms = uint32_from_le(permissions);
udf_file_entry_t udf_fe;
mode_t mode = 0;
result[ 0] = (i_perms & FE_PERM_U_READ) ? 'r' : '-';
result[ 1] = (i_perms & FE_PERM_U_WRITE) ? 'w' : '-';
result[ 2] = (i_perms & FE_PERM_U_EXEC) ? 'x' : '-';
if (udf_get_file_entry(p_udf_file, &udf_fe)) {
uint16_t i_flags;
uint32_t i_perms;
result[ 3] = (i_perms & FE_PERM_G_READ) ? 'r' : '-';
result[ 4] = (i_perms & FE_PERM_G_WRITE) ? 'w' : '-';
result[ 5] = (i_perms & FE_PERM_G_EXEC) ? 'x' : '-';
i_perms = uint32_from_le(udf_fe.permissions);
i_flags = uint16_from_le(udf_fe.icb_tag.flags);
result[ 6] = (i_perms & FE_PERM_O_READ) ? 'r' : '-';
result[ 7] = (i_perms & FE_PERM_O_WRITE) ? 'w' : '-';
result[ 8] = (i_perms & FE_PERM_O_EXEC) ? 'x' : '-';
if (i_perms & FE_PERM_U_READ) mode |= S_IRUSR;
if (i_perms & FE_PERM_U_WRITE) mode |= S_IWUSR;
if (i_perms & FE_PERM_U_EXEC) mode |= S_IXUSR;
if (i_perms & FE_PERM_G_READ) mode |= S_IRGRP;
if (i_perms & FE_PERM_G_WRITE) mode |= S_IWGRP;
if (i_perms & FE_PERM_G_EXEC) mode |= S_IXGRP;
if (i_perms & FE_PERM_O_READ) mode |= S_IROTH;
if (i_perms & FE_PERM_O_WRITE) mode |= S_IWOTH;
if (i_perms & FE_PERM_O_EXEC) mode |= S_IXOTH;
result[ 9] = '\0';
return result;
switch (udf_fe.icb_tag.file_type) {
case ICBTAG_FILE_TYPE_DIRECTORY:
mode |= S_IFDIR;
break;
case ICBTAG_FILE_TYPE_REGULAR:
mode |= S_IFREG;
break;
case ICBTAG_FILE_TYPE_SYMLINK:
mode |= S_IFLNK;
break;
case ICBTAG_FILE_TYPE_CHAR:
mode |= S_IFCHR;
break;
case ICBTAG_FILE_TYPE_SOCKET:
mode |= S_IFSOCK;
break;
case ICBTAG_FILE_TYPE_BLOCK:
mode |= S_IFBLK;
break;
default: ;
};
if (i_flags & ICBTAG_FLAG_SETUID) mode |= S_ISUID;
if (i_flags & ICBTAG_FLAG_SETGID) mode |= S_ISGID;
if (i_flags & ICBTAG_FLAG_STICKY) mode |= S_ISVTX;
}
return mode;
}
const char *
@@ -68,29 +108,6 @@ udf_get_filename(const udf_file_t *p_udf_file)
return p_udf_file->psz_name;
}
/*!
Returns a POSIX filemode string for a given p_udf_file.
*/
const char *
udf_get_posix_filemode_str(const udf_file_t *p_udf_file, char perms[])
{
udf_file_entry_t udf_fe;
if (p_udf_file->b_dir) {
perms[0] = 'd';
} else {
perms[0] = '-';
}
if (udf_get_file_entry(p_udf_file, &udf_fe)) {
/* Print directory attributes*/
udf_get_attr_str (udf_fe.permissions, &perms[1]);
return perms;
}
return "";
}
bool
udf_get_file_entry(const udf_file_t *p_udf_file,
/*out*/ udf_file_entry_t *p_udf_fe)