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| author | Amy Griffis <amy.griffis@hp.com> | 2006-02-07 12:05:27 -0500 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2006-03-20 14:08:54 -0500 |
| commit | 93315ed6dd12dacfc941f9eb8ca0293aadf99793 (patch) | |
| tree | 4fc070c92a1de21d3befe4ce48c733c65d044bb3 /kernel/audit.c | |
| parent | af601e4623d0303bfafa54ec728b7ae8493a8e1b (diff) | |
| download | lwn-93315ed6dd12dacfc941f9eb8ca0293aadf99793.tar.gz lwn-93315ed6dd12dacfc941f9eb8ca0293aadf99793.zip | |
[PATCH] audit string fields interface + consumer
Updated patch to dynamically allocate audit rule fields in kernel's
internal representation. Added unlikely() calls for testing memory
allocation result.
Amy Griffis wrote: [Wed Jan 11 2006, 02:02:31PM EST]
> Modify audit's kernel-userspace interface to allow the specification
> of string fields in audit rules.
>
> Signed-off-by: Amy Griffis <amy.griffis@hp.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
(cherry picked from 5ffc4a863f92351b720fe3e9c5cd647accff9e03 commit)
Diffstat (limited to 'kernel/audit.c')
| -rw-r--r-- | kernel/audit.c | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/kernel/audit.c b/kernel/audit.c index 07c5d2bdd38c..4eb97b62d7fa 100644 --- a/kernel/audit.c +++ b/kernel/audit.c @@ -52,6 +52,7 @@ #include <linux/audit.h> #include <net/sock.h> +#include <net/netlink.h> #include <linux/skbuff.h> #include <linux/netlink.h> @@ -361,9 +362,12 @@ static int audit_netlink_ok(kernel_cap_t eff_cap, u16 msg_type) switch (msg_type) { case AUDIT_GET: case AUDIT_LIST: + case AUDIT_LIST_RULES: case AUDIT_SET: case AUDIT_ADD: + case AUDIT_ADD_RULE: case AUDIT_DEL: + case AUDIT_DEL_RULE: case AUDIT_SIGNAL_INFO: if (!cap_raised(eff_cap, CAP_AUDIT_CONTROL)) err = -EPERM; @@ -470,12 +474,23 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh) break; case AUDIT_ADD: case AUDIT_DEL: - if (nlh->nlmsg_len < sizeof(struct audit_rule)) + if (nlmsg_len(nlh) < sizeof(struct audit_rule)) return -EINVAL; /* fallthrough */ case AUDIT_LIST: err = audit_receive_filter(nlh->nlmsg_type, NETLINK_CB(skb).pid, - uid, seq, data, loginuid); + uid, seq, data, nlmsg_len(nlh), + loginuid); + break; + case AUDIT_ADD_RULE: + case AUDIT_DEL_RULE: + if (nlmsg_len(nlh) < sizeof(struct audit_rule_data)) + return -EINVAL; + /* fallthrough */ + case AUDIT_LIST_RULES: + err = audit_receive_filter(nlh->nlmsg_type, NETLINK_CB(skb).pid, + uid, seq, data, nlmsg_len(nlh), + loginuid); break; case AUDIT_SIGNAL_INFO: sig_data.uid = audit_sig_uid; |