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--- lib/system.c.orig Fri Feb 25 18:59:32 2005
+++ lib/system.c Fri Mar 4 02:04:45 2005
@@ -1373,10 +1373,17 @@
{
#if defined(HAVE_GETXATTR)
return getxattr(path, name, value, size);
+#elif defined(HAVE_EXTATTR_GET_FILE)
+ char *s;
+ int attrnamespace = (strncmp(name, "system", 6) == 0) ?
+ EXTATTR_NAMESPACE_SYSTEM : EXTATTR_NAMESPACE_USER;
+ const char *attrname = ((s=strchr_m(name, '.')) == NULL) ? name : s + 1;
+
+ return extattr_get_file(path, attrnamespace, attrname, value, size);
#elif defined(HAVE_ATTR_GET)
int retval, flags = 0;
int valuelength = (int)size;
- char *attrname = strchr(name,'.') +1;
+ char *attrname = strchr(name,'.') + 1;
if (strncmp(name, "system", 6) == 0) flags |= ATTR_ROOT;
@@ -1393,10 +1400,17 @@
{
#if defined(HAVE_LGETXATTR)
return lgetxattr(path, name, value, size);
+#elif defined(HAVE_EXTATTR_GET_LINK)
+ char *s;
+ int attrnamespace = (strncmp(name, "system", 6) == 0) ?
+ EXTATTR_NAMESPACE_SYSTEM : EXTATTR_NAMESPACE_USER;
+ const char *attrname = ((s=strchr_m(name, '.')) == NULL) ? name : s + 1;
+
+ return extattr_get_link(path, attrnamespace, attrname, value, size);
#elif defined(HAVE_ATTR_GET)
int retval, flags = ATTR_DONTFOLLOW;
int valuelength = (int)size;
- char *attrname = strchr(name,'.') +1;
+ char *attrname = strchr(name,'.') + 1;
if (strncmp(name, "system", 6) == 0) flags |= ATTR_ROOT;
@@ -1413,10 +1427,17 @@
{
#if defined(HAVE_FGETXATTR)
return fgetxattr(filedes, name, value, size);
+#elif defined(HAVE_EXTATTR_GET_FD)
+ char *s;
+ int attrnamespace = (strncmp(name, "system", 6) == 0) ?
+ EXTATTR_NAMESPACE_SYSTEM : EXTATTR_NAMESPACE_USER;
+ const char *attrname = ((s=strchr_m(name, '.')) == NULL) ? name : s + 1;
+
+ return extattr_get_fd(filedes, attrnamespace, attrname, value, size);
#elif defined(HAVE_ATTR_GETF)
int retval, flags = 0;
int valuelength = (int)size;
- char *attrname = strchr(name,'.') +1;
+ char *attrname = strchr(name,'.') + 1;
if (strncmp(name, "system", 6) == 0) flags |= ATTR_ROOT;
@@ -1429,6 +1450,99 @@
#endif
}
+#if defined(HAVE_EXTATTR_LIST_FILE)
+
+#define EXTATTR_PREFIX(s) (s), (sizeof((s))-1)
+
+static struct {
+ int space;
+ const char *name;
+ size_t len;
+}
+extattr[] = {
+ { EXTATTR_NAMESPACE_SYSTEM, EXTATTR_PREFIX("system.") },
+ { EXTATTR_NAMESPACE_USER, EXTATTR_PREFIX("user.") },
+};
+
+typedef union {
+ const char *path;
+ int filedes;
+} extattr_arg;
+
+static ssize_t bsd_attr_list (int type, extattr_arg arg, char *list, size_t size)
+{
+ ssize_t list_size, total_size = 0;
+ int i, t, len;
+ char *buf;
+ /* Iterate through extattr(2) namespaces */
+ for(t = 0; t < (sizeof(extattr)/sizeof(extattr[0])); t++) {
+ switch(type) {
+#if defined(HAVE_EXTATTR_LIST_FILE)
+ case 0:
+ list_size = extattr_list_file(arg.path, extattr[t].space, list, size);
+ break;
+#endif
+#if defined(HAVE_EXTATTR_LIST_LINK)
+ case 1:
+ list_size = extattr_list_link(arg.path, extattr[t].space, list, size);
+ break;
+#endif
+#if defined(HAVE_EXTATTR_LIST_FD)
+ case 2:
+ list_size = extattr_list_fd(arg.filedes, extattr[t].space, list, size);
+ break;
+#endif
+ default:
+ errno = ENOSYS;
+ return -1;
+ }
+ /* Some error happend. Errno should be set by the previous call */
+ if(list_size < 0)
+ return -1;
+ /* No attributes */
+ if(list_size == 0)
+ continue;
+ /* XXX: Call with an empty buffer may be used to calculate
+ necessary buffer size. Unfortunately, we can't say, how
+ many attributes were returned, so here is the potential
+ problem with the emulation.
+ */
+ if(list == NULL) {
+ /* Take the worse case of one char attribute names -
+ two bytes per name plus one more for sanity.
+ */
+ total_size += list_size + (list_size/2 + 1)*extattr[t].len;
+ continue;
+ }
+ /* Count necessary offset to fit namespace prefixes */
+ len = 0;
+ for(i = 0; i < list_size; i += list[i] + 1)
+ len += extattr[t].len;
+
+ total_size += list_size + len;
+ /* Buffer is too small to fit the results */
+ if(total_size > size) {
+ errno = ERANGE;
+ return -1;
+ }
+ /* Shift the results back, so we can prepend prefixes */
+ buf = memmove(list + len, list, list_size);
+
+ for(i = 0; i < list_size; i += len + 1) {
+ len = buf[i];
+ strncpy(list, extattr[t].name, extattr[t].len + 1);
+ list += extattr[t].len;
+ strncpy(list, buf + i + 1, len);
+ list[len] = '\0';
+ list += len + 1;
+ }
+ size -= total_size;
+ }
+ return total_size;
+}
+
+#endif
+
#if defined(HAVE_ATTR_LIST) && defined(HAVE_SYS_ATTRIBUTES_H)
static char attr_buffer[ATTR_MAX_VALUELEN];
@@ -1501,6 +1615,10 @@
{
#if defined(HAVE_LISTXATTR)
return listxattr(path, list, size);
+#elif defined(HAVE_EXTATTR_LIST_FILE)
+ extattr_arg arg;
+ arg.path = path;
+ return bsd_attr_list(0, arg, list, size);
#elif defined(HAVE_ATTR_LIST) && defined(HAVE_SYS_ATTRIBUTES_H)
return irix_attr_list(path, 0, list, size, 0);
#else
@@ -1513,6 +1631,10 @@
{
#if defined(HAVE_LLISTXATTR)
return llistxattr(path, list, size);
+#elif defined(HAVE_EXTATTR_LIST_LINK)
+ extattr_arg arg;
+ arg.path = path;
+ return bsd_attr_list(1, arg, list, size);
#elif defined(HAVE_ATTR_LIST) && defined(HAVE_SYS_ATTRIBUTES_H)
return irix_attr_list(path, 0, list, size, ATTR_DONTFOLLOW);
#else
@@ -1525,6 +1647,10 @@
{
#if defined(HAVE_FLISTXATTR)
return flistxattr(filedes, list, size);
+#elif defined(HAVE_EXTATTR_LIST_FD)
+ extattr_arg arg;
+ arg.filedes = filedes;
+ return bsd_attr_list(2, arg, list, size);
#elif defined(HAVE_ATTR_LISTF)
return irix_attr_list(NULL, filedes, list, size, 0);
#else
@@ -1537,9 +1663,16 @@
{
#if defined(HAVE_REMOVEXATTR)
return removexattr(path, name);
+#elif defined(HAVE_EXTATTR_DELETE_FILE)
+ char *s;
+ int attrnamespace = (strncmp(name, "system", 6) == 0) ?
+ EXTATTR_NAMESPACE_SYSTEM : EXTATTR_NAMESPACE_USER;
+ const char *attrname = ((s=strchr_m(name, '.')) == NULL) ? name : s + 1;
+
+ return extattr_delete_file(path, attrnamespace, attrname);
#elif defined(HAVE_ATTR_REMOVE)
int flags = 0;
- char *attrname = strchr(name,'.') +1;
+ char *attrname = strchr(name,'.') + 1;
if (strncmp(name, "system", 6) == 0) flags |= ATTR_ROOT;
@@ -1554,9 +1687,16 @@
{
#if defined(HAVE_LREMOVEXATTR)
return lremovexattr(path, name);
+#elif defined(HAVE_EXTATTR_DELETE_LINK)
+ char *s;
+ int attrnamespace = (strncmp(name, "system", 6) == 0) ?
+ EXTATTR_NAMESPACE_SYSTEM : EXTATTR_NAMESPACE_USER;
+ const char *attrname = ((s=strchr_m(name, '.')) == NULL) ? name : s + 1;
+
+ return extattr_delete_link(path, attrnamespace, attrname);
#elif defined(HAVE_ATTR_REMOVE)
int flags = ATTR_DONTFOLLOW;
- char *attrname = strchr(name,'.') +1;
+ char *attrname = strchr(name,'.') + 1;
if (strncmp(name, "system", 6) == 0) flags |= ATTR_ROOT;
@@ -1571,9 +1711,16 @@
{
#if defined(HAVE_FREMOVEXATTR)
return fremovexattr(filedes, name);
+#elif defined(HAVE_EXTATTR_DELETE_FD)
+ char *s;
+ int attrnamespace = (strncmp(name, "system", 6) == 0) ?
+ EXTATTR_NAMESPACE_SYSTEM : EXTATTR_NAMESPACE_USER;
+ const char *attrname = ((s=strchr_m(name, '.')) == NULL) ? name : s + 1;
+
+ return extattr_delete_fd(filedes, attrnamespace, attrname);
#elif defined(HAVE_ATTR_REMOVEF)
int flags = 0;
- char *attrname = strchr(name,'.') +1;
+ char *attrname = strchr(name,'.') + 1;
if (strncmp(name, "system", 6) == 0) flags |= ATTR_ROOT;
@@ -1593,9 +1740,18 @@
{
#if defined(HAVE_SETXATTR)
return setxattr(path, name, value, size, flags);
+#elif defined(HAVE_EXTATTR_SET_FILE)
+ char *s;
+ int retval = 0;
+ int attrnamespace = (strncmp(name, "system", 6) == 0) ?
+ EXTATTR_NAMESPACE_SYSTEM : EXTATTR_NAMESPACE_USER;
+ const char *attrname = ((s=strchr_m(name, '.')) == NULL) ? name : s + 1;
+
+ retval = extattr_set_file(path, attrnamespace, attrname, value, size);
+ return (retval < 0) ? -1 : 0;
#elif defined(HAVE_ATTR_SET)
int myflags = 0;
- char *attrname = strchr(name,'.') +1;
+ char *attrname = strchr(name,'.') + 1;
if (strncmp(name, "system", 6) == 0) myflags |= ATTR_ROOT;
if (flags & XATTR_CREATE) myflags |= ATTR_CREATE;
@@ -1612,9 +1768,18 @@
{
#if defined(HAVE_LSETXATTR)
return lsetxattr(path, name, value, size, flags);
+#elif defined(HAVE_EXTATTR_SET_LINK)
+ char *s;
+ int retval = 0;
+ int attrnamespace = (strncmp(name, "system", 6) == 0) ?
+ EXTATTR_NAMESPACE_SYSTEM : EXTATTR_NAMESPACE_USER;
+ const char *attrname = ((s=strchr_m(name, '.')) == NULL) ? name : s + 1;
+
+ retval = extattr_set_link(path, attrnamespace, attrname, value, size);
+ return (retval < 0) ? -1 : 0;
#elif defined(HAVE_ATTR_SET)
int myflags = ATTR_DONTFOLLOW;
- char *attrname = strchr(name,'.') +1;
+ char *attrname = strchr(name,'.') + 1;
if (strncmp(name, "system", 6) == 0) myflags |= ATTR_ROOT;
if (flags & XATTR_CREATE) myflags |= ATTR_CREATE;
@@ -1631,9 +1796,18 @@
{
#if defined(HAVE_FSETXATTR)
return fsetxattr(filedes, name, value, size, flags);
+#elif defined(HAVE_EXTATTR_SET_FD)
+ char *s;
+ int retval = 0;
+ int attrnamespace = (strncmp(name, "system", 6) == 0) ?
+ EXTATTR_NAMESPACE_SYSTEM : EXTATTR_NAMESPACE_USER;
+ const char *attrname = ((s=strchr_m(name, '.')) == NULL) ? name : s + 1;
+
+ retval = extattr_set_fd(filedes, attrnamespace, attrname, value, size);
+ return (retval < 0) ? -1 : 0;
#elif defined(HAVE_ATTR_SETF)
int myflags = 0;
- char *attrname = strchr(name,'.') +1;
+ char *attrname = strchr(name,'.') + 1;
if (strncmp(name, "system", 6) == 0) myflags |= ATTR_ROOT;
if (flags & XATTR_CREATE) myflags |= ATTR_CREATE;
|
