diff options
author | Ingo Molnar <mingo@elte.hu> | 2008-10-12 12:49:27 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-10-12 12:49:27 +0200 |
commit | 1389ac4b976abdc0555280dfc1aa2c3abcc19641 (patch) | |
tree | 1ec51aa0b1e33201f6f4f3bebc657f9ec65f8539 /fs/cifs/cifs_spnego.c | |
parent | 69e13ad56f9e2cd81c4f8bfd6267211c10c14c08 (diff) | |
parent | fd048088306656824958e7783ffcee27e241b361 (diff) |
Merge branch 'linus' into x86/signal
Conflicts:
arch/x86/kernel/signal_64.c
Diffstat (limited to 'fs/cifs/cifs_spnego.c')
-rw-r--r-- | fs/cifs/cifs_spnego.c | 35 |
1 files changed, 26 insertions, 9 deletions
diff --git a/fs/cifs/cifs_spnego.c b/fs/cifs/cifs_spnego.c index 117ef4bba68..fcee9298b62 100644 --- a/fs/cifs/cifs_spnego.c +++ b/fs/cifs/cifs_spnego.c @@ -66,11 +66,28 @@ struct key_type cifs_spnego_key_type = { .describe = user_describe, }; -#define MAX_VER_STR_LEN 8 /* length of longest version string e.g. - strlen("ver=0xFF") */ -#define MAX_MECH_STR_LEN 13 /* length of longest security mechanism name, eg - in future could have strlen(";sec=ntlmsspi") */ -#define MAX_IPV6_ADDR_LEN 42 /* eg FEDC:BA98:7654:3210:FEDC:BA98:7654:3210/60 */ +/* length of longest version string e.g. strlen("ver=0xFF") */ +#define MAX_VER_STR_LEN 8 + +/* length of longest security mechanism name, eg in future could have + * strlen(";sec=ntlmsspi") */ +#define MAX_MECH_STR_LEN 13 + +/* max possible addr len eg FEDC:BA98:7654:3210:FEDC:BA98:7654:3210/60 */ +#define MAX_IPV6_ADDR_LEN 42 + +/* strlen of "host=" */ +#define HOST_KEY_LEN 5 + +/* strlen of ";ip4=" or ";ip6=" */ +#define IP_KEY_LEN 5 + +/* strlen of ";uid=0x" */ +#define UID_KEY_LEN 7 + +/* strlen of ";user=" */ +#define USER_KEY_LEN 6 + /* get a key struct with a SPNEGO security blob, suitable for session setup */ struct key * cifs_get_spnego_key(struct cifsSesInfo *sesInfo) @@ -84,11 +101,11 @@ cifs_get_spnego_key(struct cifsSesInfo *sesInfo) /* length of fields (with semicolons): ver=0xyz ip4=ipaddress host=hostname sec=mechanism uid=0xFF user=username */ desc_len = MAX_VER_STR_LEN + - 6 /* len of "host=" */ + strlen(hostname) + - 5 /* len of ";ipv4=" */ + MAX_IPV6_ADDR_LEN + + HOST_KEY_LEN + strlen(hostname) + + IP_KEY_LEN + MAX_IPV6_ADDR_LEN + MAX_MECH_STR_LEN + - 7 /* len of ";uid=0x" */ + (sizeof(uid_t) * 2) + - 6 /* len of ";user=" */ + strlen(sesInfo->userName) + 1; + UID_KEY_LEN + (sizeof(uid_t) * 2) + + USER_KEY_LEN + strlen(sesInfo->userName) + 1; spnego_key = ERR_PTR(-ENOMEM); description = kzalloc(desc_len, GFP_KERNEL); |