/*
* Function: sys_set_ea
*
* Purpose: set a native EA
*
* Arguments:
*
* vol (r) current volume
* uname (r) filename
* attruname (r) EA name
* ibuf (r) buffer with EA content
* attrsize (r) length EA in ibuf
* oflag (r) link and create flag
*
* Returns: AFP code: AFP_OK on success or appropiate AFP error code
*
* Effects:
*
*/
int sys_set_ea(VFS_FUNC_ARGS_EA_SET)
{
int attr_flag;
int ret;
attr_flag = 0;
if ((oflag & O_CREAT) )
attr_flag |= XATTR_CREATE;
else if ((oflag & O_TRUNC) )
attr_flag |= XATTR_REPLACE;
if ((oflag & O_NOFOLLOW) ) {
ret = sys_lsetxattr(uname, attruname, ibuf, attrsize,attr_flag);
}
else {
ret = sys_setxattr(uname, attruname, ibuf, attrsize, attr_flag);
}
if (ret == -1) {
switch(errno) {
case OPEN_NOFOLLOW_ERRNO:
/* its a symlink and client requested O_NOFOLLOW */
LOG(log_debug, logtype_afpd, "sys_set_ea(\"%s\", ea:'%s'): symlink with kXAttrNoFollow",
uname, attruname);
return AFP_OK;
case EEXIST:
LOG(log_debug, logtype_afpd, "sys_set_ea(\"%s/%s\", ea:'%s'): EA already exists",
getcwdpath(), uname, attruname);
return AFPERR_EXIST;
default:
LOG(log_error, logtype_afpd, "sys_set_ea(\"%s/%s\", ea:'%s', size: %u, flags: %s|%s|%s): %s",
getcwdpath(), uname, attruname, attrsize,
oflag & O_CREAT ? "XATTR_CREATE" : "-",
oflag & O_TRUNC ? "XATTR_REPLACE" : "-",
oflag & O_NOFOLLOW ? "O_NOFOLLOW" : "-",
strerror(errno));
return AFPERR_MISC;
}
}
return AFP_OK;
}
/*
* Function: sys_set_ea
*
* Purpose: set a native EA
*
* Arguments:
*
* vol (r) current volume
* uname (r) filename
* attruname (r) EA name
* ibuf (r) buffer with EA content
* attrsize (r) length EA in ibuf
* oflag (r) link and create flag
*
* Returns: AFP code: AFP_OK on success or appropiate AFP error code
*
* Effects:
*
*/
int sys_set_ea(VFS_FUNC_ARGS_EA_SET)
{
int attr_flag;
int ret;
char *eabuf;
/*
* Buffer for a copy of the xattr plus one byte in case
* AFPVOL_EA_SAMBA is used
*/
eabuf = malloc(attrsize + 1);
if (eabuf == NULL) {
return AFPERR_MISC;
}
memcpy(eabuf, ibuf, attrsize);
eabuf[attrsize] = 0;
attr_flag = 0;
if ((oflag & O_CREAT) )
attr_flag |= XATTR_CREATE;
else if ((oflag & O_TRUNC) )
attr_flag |= XATTR_REPLACE;
if (vol->v_flags & AFPVOL_EA_SAMBA) {
attrsize++;
}
/* PBaranski fix */
if ( fd != -1) {
LOG(log_debug, logtype_afpd, "sys_set_ea(%s): file is already opened", uname);
ret = sys_fsetxattr(fd, attruname, eabuf, attrsize, attr_flag);
} else {
if ((oflag & O_NOFOLLOW) ) {
ret = sys_lsetxattr(uname, attruname, eabuf, attrsize,attr_flag);
}
else {
ret = sys_setxattr(uname, attruname, eabuf, attrsize, attr_flag);
}
}
/* PBaranski fix */
if (ret == -1) {
switch(errno) {
case OPEN_NOFOLLOW_ERRNO:
/* its a symlink and client requested O_NOFOLLOW */
LOG(log_debug, logtype_afpd, "sys_set_ea(\"%s\", ea:'%s'): symlink with kXAttrNoFollow",
uname, attruname);
return AFP_OK;
case EEXIST:
LOG(log_debug, logtype_afpd, "sys_set_ea(\"%s/%s\", ea:'%s'): EA already exists",
getcwdpath(), uname, attruname);
return AFPERR_EXIST;
case ENOATTR:
case ENOENT:
if ((attr_flag & XATTR_REPLACE) && (vol->v_obj->afp_version >= 34))
return AFPERR_NOITEM;
return AFPERR_MISC;
default:
LOG(log_debug, logtype_afpd, "sys_set_ea(\"%s/%s\", ea:'%s', size: %u, flags: %s|%s|%s): %s",
getcwdpath(), uname, attruname, attrsize,
oflag & O_CREAT ? "XATTR_CREATE" : "-",
oflag & O_TRUNC ? "XATTR_REPLACE" : "-",
oflag & O_NOFOLLOW ? "O_NOFOLLOW" : "-",
strerror(errno));
return AFPERR_MISC;
}
}
return AFP_OK;
}
int vfswrap_lsetxattr(struct vfs_handle_struct *handle, struct connection_struct *conn,const char *path, const char *name, const void *value, size_t size, int flags)
{
return sys_lsetxattr(path, name, value, size, flags);
}
int
main(int argc, char **argv)
{
int ret = 0;
struct stat st;
char *dname = NULL;
char *bname = NULL;
ssize_t ret_size = 0;
uuid_t pgfid_raw = {
0,
};
char pgfid[36] = "";
char xxh64[GF_XXH64_DIGEST_LENGTH * 2 + 1] = {
0,
};
char pgfid_bname[1024] = {
0,
};
char *key = NULL;
char *val = NULL;
size_t key_size = 0;
size_t val_size = 0;
const char *file_path = NULL;
char *file_path1 = NULL;
char *file_path2 = NULL;
if (argc != 2) {
fprintf(stderr, "Usage: setgfid2path <file-path>\n");
return -1;
}
ret = sys_lstat(argv[1], &st);
if (ret != 0) {
fprintf(stderr, "Invalid File Path\n");
return -1;
}
if (st.st_nlink >= MAX_GFID2PATH_LINK_SUP) {
fprintf(stderr,
"Number of Hardlink support exceeded. "
"max=%d\n",
MAX_GFID2PATH_LINK_SUP);
return -1;
}
file_path = argv[1];
file_path1 = strdup(file_path);
file_path2 = strdup(file_path);
dname = dirname(file_path1);
bname = basename(file_path2);
/* Get GFID of Parent directory */
ret_size = sys_lgetxattr(dname, GFID_XATTR_KEY, pgfid_raw, GFID_SIZE);
if (ret_size != GFID_SIZE) {
fprintf(stderr, "Failed to get GFID of parent directory. dir=%s\n",
dname);
ret = -1;
goto out;
}
/* Convert to UUID format */
if (uuid_utoa_r(pgfid_raw, pgfid) == NULL) {
fprintf(stderr,
"Failed to format GFID of parent directory. "
"dir=%s GFID=%s\n",
dname, pgfid_raw);
ret = -1;
goto out;
}
/* Find xxhash for PGFID/BaseName */
snprintf(pgfid_bname, sizeof(pgfid_bname), "%s/%s", pgfid, bname);
gf_xxh64_wrapper((unsigned char *)pgfid_bname, strlen(pgfid_bname),
GF_XXHSUM64_DEFAULT_SEED, xxh64);
key_size = SLEN(GFID2PATH_XATTR_KEY_PREFIX) + GF_XXH64_DIGEST_LENGTH * 2 +
1;
key = alloca(key_size);
snprintf(key, key_size, GFID2PATH_XATTR_KEY_PREFIX "%s", xxh64);
val_size = UUID_CANONICAL_FORM_LEN + NAME_MAX + 2;
val = alloca(val_size);
snprintf(val, val_size, "%s/%s", pgfid, bname);
/* Set the Xattr, ignore if same key xattr already exists */
ret = sys_lsetxattr(file_path, key, val, strlen(val), XATTR_CREATE);
if (ret == -1) {
if (errno == EEXIST) {
printf("Xattr already exists, ignoring..\n");
ret = 0;
goto out;
}
fprintf(stderr, "Failed to set gfid2path xattr. errno=%d\n error=%s",
errno, strerror(errno));
ret = -1;
goto out;
}
printf("Success. file=%s key=%s value=%s\n", file_path, key, val);
out:
if (file_path1 != NULL)
free(file_path1);
if (file_path2 != NULL)
free(file_path2);
return ret;
}
