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Message types for VFS slink

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Change-Id: I13975474b924817553101c28591b4c04e8679173
This commit is contained in:
sambuc
2014-07-28 17:05:27 +02:00
parent cadcb6d061
commit 0d1db99965
5 changed files with 54 additions and 39 deletions
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lib/libpuffs/open.c
+11 -11
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@@ -293,32 +293,32 @@ int fs_slink(void)
struct vattr va;
int len;
caller_uid = (uid_t) fs_m_in.REQ_UID;
caller_gid = (gid_t) fs_m_in.REQ_GID;
caller_uid = fs_m_in.m_vfs_fs_slink.uid;
caller_gid = fs_m_in.m_vfs_fs_slink.gid;
/* Copy the link name's last component */
len = fs_m_in.REQ_PATH_LEN;
len = fs_m_in.m_vfs_fs_slink.path_len;
pcn.pcn_namelen = len - 1;
if (pcn.pcn_namelen > NAME_MAX)
return(ENAMETOOLONG);
if (fs_m_in.REQ_MEM_SIZE >= PATH_MAX)
if (fs_m_in.m_vfs_fs_slink.mem_size >= PATH_MAX)
return(ENAMETOOLONG);
r = sys_safecopyfrom(VFS_PROC_NR, (cp_grant_id_t) fs_m_in.REQ_GRANT,
r = sys_safecopyfrom(VFS_PROC_NR, fs_m_in.m_vfs_fs_slink.grant_path,
(vir_bytes) 0, (vir_bytes) pcn.pcn_name,
(size_t) len);
if (r != OK) return(r);
NUL(pcn.pcn_name, len, sizeof(pcn.pcn_name));
/* Copy the target path (note that it's not null terminated) */
r = sys_safecopyfrom(VFS_PROC_NR, (cp_grant_id_t) fs_m_in.REQ_GRANT3,
r = sys_safecopyfrom(VFS_PROC_NR, fs_m_in.m_vfs_fs_slink.grant_target,
(vir_bytes) 0, (vir_bytes) target,
(size_t) fs_m_in.REQ_MEM_SIZE);
fs_m_in.m_vfs_fs_slink.mem_size);
if (r != OK) return(r);
target[fs_m_in.REQ_MEM_SIZE] = '\0';
target[fs_m_in.m_vfs_fs_slink.mem_size] = '\0';
if (strlen(target) != (size_t) fs_m_in.REQ_MEM_SIZE) {
if (strlen(target) != (size_t) fs_m_in.m_vfs_fs_slink.mem_size) {
/* This can happen if the user provides a buffer
* with a \0 in it. This can cause a lot of trouble
* when the symlink is used later. We could just use
@@ -330,7 +330,7 @@ int fs_slink(void)
return(ENAMETOOLONG);
}
if ((pn_dir = puffs_pn_nodewalk(global_pu, 0, &fs_m_in.REQ_INODE_NR)) == NULL)
if ((pn_dir = puffs_pn_nodewalk(global_pu, 0, &fs_m_in.m_vfs_fs_slink.inode)) == NULL)
return(EINVAL);
memset(&pni, 0, sizeof(pni));
@@ -338,7 +338,7 @@ int fs_slink(void)
memset(&va, 0, sizeof(va));
va.va_type = VLNK;
va.va_mode = (mode_t) (I_SYMBOLIC_LINK | RWX_MODES);
va.va_mode = (I_SYMBOLIC_LINK | RWX_MODES);
va.va_uid = caller_uid;
va.va_gid = caller_gid;
va.va_atime = va.va_mtime = va.va_ctime = clock_timespec();