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-rw-r--r--kernel/auditsc.c40
1 files changed, 40 insertions, 0 deletions
diff --git a/kernel/auditsc.c b/kernel/auditsc.c
index 78d7a13fc86f..8dc5b2767145 100644
--- a/kernel/auditsc.c
+++ b/kernel/auditsc.c
@@ -34,6 +34,7 @@
34#include <asm/types.h> 34#include <asm/types.h>
35#include <linux/mm.h> 35#include <linux/mm.h>
36#include <linux/module.h> 36#include <linux/module.h>
37#include <linux/mount.h>
37#include <linux/socket.h> 38#include <linux/socket.h>
38#include <linux/audit.h> 39#include <linux/audit.h>
39#include <linux/personality.h> 40#include <linux/personality.h>
@@ -124,6 +125,11 @@ struct audit_aux_data_sockaddr {
124 char a[0]; 125 char a[0];
125}; 126};
126 127
128struct audit_aux_data_path {
129 struct audit_aux_data d;
130 struct dentry *dentry;
131 struct vfsmount *mnt;
132};
127 133
128/* The per-task audit context. */ 134/* The per-task audit context. */
129struct audit_context { 135struct audit_context {
@@ -553,6 +559,11 @@ static inline void audit_free_aux(struct audit_context *context)
553 struct audit_aux_data *aux; 559 struct audit_aux_data *aux;
554 560
555 while ((aux = context->aux)) { 561 while ((aux = context->aux)) {
562 if (aux->type == AUDIT_AVC_PATH) {
563 struct audit_aux_data_path *axi = (void *)aux;
564 dput(axi->dentry);
565 mntput(axi->mnt);
566 }
556 context->aux = aux->next; 567 context->aux = aux->next;
557 kfree(aux); 568 kfree(aux);
558 } 569 }
@@ -724,6 +735,14 @@ static void audit_log_exit(struct audit_context *context)
724 audit_log_format(ab, "saddr="); 735 audit_log_format(ab, "saddr=");
725 audit_log_hex(ab, axs->a, axs->len); 736 audit_log_hex(ab, axs->a, axs->len);
726 break; } 737 break; }
738
739 case AUDIT_AVC_PATH: {
740 struct audit_aux_data_path *axi = (void *)aux;
741 audit_log_d_path(ab, "path=", axi->dentry, axi->mnt);
742 dput(axi->dentry);
743 mntput(axi->mnt);
744 break; }
745
727 } 746 }
728 audit_log_end(ab); 747 audit_log_end(ab);
729 748
@@ -1124,6 +1143,27 @@ int audit_sockaddr(int len, void *a)
1124 return 0; 1143 return 0;
1125} 1144}
1126 1145
1146int audit_avc_path(struct dentry *dentry, struct vfsmount *mnt)
1147{
1148 struct audit_aux_data_path *ax;
1149 struct audit_context *context = current->audit_context;
1150
1151 if (likely(!context))
1152 return 0;
1153
1154 ax = kmalloc(sizeof(*ax), GFP_ATOMIC);
1155 if (!ax)
1156 return -ENOMEM;
1157
1158 ax->dentry = dget(dentry);
1159 ax->mnt = mntget(mnt);
1160
1161 ax->d.type = AUDIT_AVC_PATH;
1162 ax->d.next = context->aux;
1163 context->aux = (void *)ax;
1164 return 0;
1165}
1166
1127void audit_signal_info(int sig, struct task_struct *t) 1167void audit_signal_info(int sig, struct task_struct *t)
1128{ 1168{
1129 extern pid_t audit_sig_pid; 1169 extern pid_t audit_sig_pid;