From patchwork Wed Jul 8 13:00:51 2009 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [1/2] cifs: add pid of initiating process to spnego upcall info Date: Wed, 08 Jul 2009 03:00:51 -0000 From: Jeff Layton X-Patchwork-Id: 29591 Message-Id: <1247058052-24449-2-git-send-email-jlayton@samba.org> To: linux-cifs-client@lists.samba.org, samba-technical@lists.samba.org Cc: smfrench@gmail.com This will allow the upcall to poke in /proc//environ and get the value of the $KRB5CCNAME env var for the process. Signed-off-by: Jeff Layton --- fs/cifs/cifs_spnego.c | 9 ++++++++- 1 files changed, 8 insertions(+), 1 deletions(-) diff --git a/fs/cifs/cifs_spnego.c b/fs/cifs/cifs_spnego.c index 4a4581c..051caec 100644 --- a/fs/cifs/cifs_spnego.c +++ b/fs/cifs/cifs_spnego.c @@ -86,6 +86,9 @@ struct key_type cifs_spnego_key_type = { /* strlen of ";user=" */ #define USER_KEY_LEN 6 +/* strlen of ";pid=0x" */ +#define PID_KEY_LEN 7 + /* get a key struct with a SPNEGO security blob, suitable for session setup */ struct key * cifs_get_spnego_key(struct cifsSesInfo *sesInfo) @@ -103,7 +106,8 @@ cifs_get_spnego_key(struct cifsSesInfo *sesInfo) IP_KEY_LEN + INET6_ADDRSTRLEN + MAX_MECH_STR_LEN + UID_KEY_LEN + (sizeof(uid_t) * 2) + - USER_KEY_LEN + strlen(sesInfo->userName) + 1; + USER_KEY_LEN + strlen(sesInfo->userName) + + PID_KEY_LEN + (sizeof(pid_t) * 2) + 1; spnego_key = ERR_PTR(-ENOMEM); description = kzalloc(desc_len, GFP_KERNEL); @@ -141,6 +145,9 @@ cifs_get_spnego_key(struct cifsSesInfo *sesInfo) dp = description + strlen(description); sprintf(dp, ";user=%s", sesInfo->userName); + dp = description + strlen(description); + sprintf(dp, ";pid=0x%x", current->pid); + cFYI(1, ("key description = %s", description)); spnego_key = request_key(&cifs_spnego_key_type, description, "");