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r11383: Patch from Alex Masterov <alex@infobit.ru> to fix

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XATTR calls on *BSD systems (bug #3218).
Jeremy.
(This used to be commit 3d8faf42e854a720aca5c2e0a4682c85a3dfd365)
This commit is contained in:
Jeremy Allison 2005-10-28 22:22:23 +00:00 committed by Gerald (Jerry) Carter
parent df1ab2639d
commit 7f562a8f6f
1 changed files with 83 additions and 3 deletions
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86
source3/lib/system.c
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@ -1367,7 +1367,7 @@ int sys_dup2(int oldfd, int newfd)
/**************************************************************************
Wrappers for extented attribute calls. Based on the Linux package with
support for IRIX also. Expand as other systems have them.
support for IRIX and (Net|Free)BSD also. Expand as other systems have them.
****************************************************************************/
ssize_t sys_getxattr (const char *path, const char *name, void *value, size_t size)
@ -1376,9 +1376,21 @@ ssize_t sys_getxattr (const char *path, const char *name, void *value, size_t si
return getxattr(path, name, value, size);
#elif defined(HAVE_EXTATTR_GET_FILE)
char *s;
ssize_t retval;
int attrnamespace = (strncmp(name, "system", 6) == 0) ?
EXTATTR_NAMESPACE_SYSTEM : EXTATTR_NAMESPACE_USER;
const char *attrname = ((s=strchr_m(name, '.')) == NULL) ? name : s + 1;
/*
* The BSD implementation has a nasty habit of silently truncating
* the returned value to the size of the buffer, so we have to check
* that the buffer is large enough to fit the returned value.
*/
retval = extattr_get_file(path, attrnamespace, attrname, NULL, 0);
if(retval > size) {
errno = ERANGE;
return -1;
}
return extattr_get_file(path, attrnamespace, attrname, value, size);
#elif defined(HAVE_ATTR_GET)
@ -1403,10 +1415,18 @@ ssize_t sys_lgetxattr (const char *path, const char *name, void *value, size_t s
return lgetxattr(path, name, value, size);
#elif defined(HAVE_EXTATTR_GET_LINK)
char *s;
ssize_t retval;
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_get_link(path, attrnamespace, attrname, NULL, 0);
if(retval > size) {
errno = ERANGE;
return -1;
}
return extattr_get_link(path, attrnamespace, attrname, value, size);
#elif defined(HAVE_ATTR_GET)
int retval, flags = ATTR_DONTFOLLOW;
@ -1430,10 +1450,18 @@ ssize_t sys_fgetxattr (int filedes, const char *name, void *value, size_t size)
return fgetxattr(filedes, name, value, size);
#elif defined(HAVE_EXTATTR_GET_FD)
char *s;
ssize_t retval;
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_get_fd(filedes, attrnamespace, attrname, NULL, 0);
if(retval > size) {
errno = ERANGE;
return -1;
}
return extattr_get_fd(filedes, attrnamespace, attrname, value, size);
#elif defined(HAVE_ATTR_GETF)
int retval, flags = 0;
@ -1747,7 +1775,24 @@ int sys_setxattr (const char *path, const char *name, const void *value, size_t
int attrnamespace = (strncmp(name, "system", 6) == 0) ?
EXTATTR_NAMESPACE_SYSTEM : EXTATTR_NAMESPACE_USER;
const char *attrname = ((s=strchr_m(name, '.')) == NULL) ? name : s + 1;
if (flags) {
/* Check attribute existence */
retval = extattr_get_file(path, attrnamespace, attrname, NULL, 0);
if (retval < 0) {
/* REPLACE attribute, that doesn't exist */
if (flags & XATTR_REPLACE && errno == ENOATTR) {
errno = ENOATTR;
return -1;
}
}
else {
/* CREATE attribute, that already exists */
if (flags & XATTR_CREATE) {
errno = EEXIST;
return -1;
}
}
}
retval = extattr_set_file(path, attrnamespace, attrname, value, size);
return (retval < 0) ? -1 : 0;
#elif defined(HAVE_ATTR_SET)
@ -1775,6 +1820,24 @@ int sys_lsetxattr (const char *path, const char *name, const void *value, size_t
int attrnamespace = (strncmp(name, "system", 6) == 0) ?
EXTATTR_NAMESPACE_SYSTEM : EXTATTR_NAMESPACE_USER;
const char *attrname = ((s=strchr_m(name, '.')) == NULL) ? name : s + 1;
if (flags) {
/* Check attribute existence */
retval = extattr_get_link(path, attrnamespace, attrname, NULL, 0);
if (retval < 0) {
/* REPLACE attribute, that doesn't exist */
if (flags & XATTR_REPLACE && errno == ENOATTR) {
errno = ENOATTR;
return -1;
}
}
else {
/* CREATE attribute, that already exists */
if (flags & XATTR_CREATE) {
errno = EEXIST;
return -1;
}
}
}
retval = extattr_set_link(path, attrnamespace, attrname, value, size);
return (retval < 0) ? -1 : 0;
@ -1803,7 +1866,24 @@ int sys_fsetxattr (int filedes, const char *name, const void *value, size_t size
int attrnamespace = (strncmp(name, "system", 6) == 0) ?
EXTATTR_NAMESPACE_SYSTEM : EXTATTR_NAMESPACE_USER;
const char *attrname = ((s=strchr_m(name, '.')) == NULL) ? name : s + 1;
if (flags) {
/* Check attribute existence */
retval = extattr_get_fd(filedes, attrnamespace, attrname, NULL, 0);
if (retval < 0) {
/* REPLACE attribute, that doesn't exist */
if (flags & XATTR_REPLACE && errno == ENOATTR) {
errno = ENOATTR;
return -1;
}
}
else {
/* CREATE attribute, that already exists */
if (flags & XATTR_CREATE) {
errno = EEXIST;
return -1;
}
}
}
retval = extattr_set_fd(filedes, attrnamespace, attrname, value, size);
return (retval < 0) ? -1 : 0;
#elif defined(HAVE_ATTR_SETF)