diff options
| author | Paulo Alcantara <pc@manguebit.com> | 2023-08-17 18:34:05 +0300 |
|---|---|---|
| committer | Steve French <stfrench@microsoft.com> | 2023-08-21 00:05:50 +0300 |
| commit | 348a04a8d1138c2569549d6f9a3816e3e7513321 (patch) | |
| tree | 665cd715be80b4a1f91dfe529a5caa0eb78cf9df /fs/smb/client/dfs.c | |
| parent | 0a049935e47e30c62df165e4d6ff563ff9c002d5 (diff) | |
| download | linux-348a04a8d1138c2569549d6f9a3816e3e7513321.tar.xz | |
smb: client: get rid of dfs code dep in namespace.c
Make namespace.c being built without requiring
CONFIG_CIFS_DFS_UPCALL=y by moving set_dest_addr() to dfs.c and call
it at the beginning of dfs_mount_share() so it can chase the DFS link
starting from the correct server in @ctx->dstaddr.
Signed-off-by: Paulo Alcantara (SUSE) <pc@manguebit.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Diffstat (limited to 'fs/smb/client/dfs.c')
| -rw-r--r-- | fs/smb/client/dfs.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/fs/smb/client/dfs.c b/fs/smb/client/dfs.c index 71ee74041884..81b84151450d 100644 --- a/fs/smb/client/dfs.c +++ b/fs/smb/client/dfs.c @@ -263,12 +263,28 @@ out: return rc; } +/* Resolve UNC hostname in @ctx->source and set ip addr in @ctx->dstaddr */ +static int update_fs_context_dstaddr(struct smb3_fs_context *ctx) +{ + struct sockaddr *addr = (struct sockaddr *)&ctx->dstaddr; + int rc; + + rc = dns_resolve_server_name_to_ip(ctx->source, addr, NULL); + if (!rc) + cifs_set_port(addr, ctx->port); + return rc; +} + int dfs_mount_share(struct cifs_mount_ctx *mnt_ctx, bool *isdfs) { struct smb3_fs_context *ctx = mnt_ctx->fs_ctx; bool nodfs = ctx->nodfs; int rc; + rc = update_fs_context_dstaddr(ctx); + if (rc) + return rc; + *isdfs = false; rc = get_session(mnt_ctx, NULL); if (rc) |