[Forensics-changes] [yara] 62/160: Add yr_rules_scan_fd API

[Hilko Bengen]

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bengen pushed a commit to annotated tag v3.4.0
in repository yara.

commit 57e5e9d509ff01cf7d391c93d30d4b96d2bd9fed
Author: Hilko Bengen <bengen at hilluzination.de>
Date:   Sun Mar 15 19:24:31 2015 +0100

    Add yr_rules_scan_fd API
---
 libyara/include/yara/rules.h | 10 ++++++++++
 libyara/rules.c              | 29 +++++++++++++++++++++++++++++
 2 files changed, 39 insertions(+)

diff --git a/libyara/include/yara/rules.h b/libyara/include/yara/rules.h
index 8a091fe..43c9f4b 100644
--- a/libyara/include/yara/rules.h
+++ b/libyara/include/yara/rules.h
@@ -20,6 +20,7 @@ limitations under the License.
 
 #include <yara/types.h>
 #include <yara/utils.h>
+#include <yara/filemap.h>
 
 
 #define CALLBACK_MSG_RULE_MATCHING              1
@@ -74,6 +75,15 @@ YR_API int yr_rules_scan_file(
     int timeout);
 
 
+YR_API int yr_rules_scan_fd(
+    YR_RULES* rules,
+    FILE_DESCRIPTOR fd,
+    int flags,
+    YR_CALLBACK_FUNC callback,
+    void* user_data,
+    int timeout);
+
+
 YR_API int yr_rules_scan_proc(
     YR_RULES* rules,
     int pid,
diff --git a/libyara/rules.c b/libyara/rules.c
index a1a7156..7db2079 100644
--- a/libyara/rules.c
+++ b/libyara/rules.c
@@ -552,6 +552,35 @@ YR_API int yr_rules_scan_file(
   return result;
 }
 
+YR_API int yr_rules_scan_fd(
+    YR_RULES* rules,
+    FILE_DESCRIPTOR fd,
+    int flags,
+    YR_CALLBACK_FUNC callback,
+    void* user_data,
+    int timeout)
+{
+  YR_MAPPED_FILE mfile;
+  int result;
+
+  result = yr_filemap_map_fd(fd, 0, 0, &mfile);
+
+  if (result == ERROR_SUCCESS)
+  {
+    result = yr_rules_scan_mem(
+        rules,
+        mfile.data,
+        mfile.size,
+        flags,
+        callback,
+        user_data,
+        timeout);
+
+    yr_filemap_unmap(&mfile);
+  }
+
+  return result;
+}
 
 YR_API int yr_rules_scan_proc(
     YR_RULES* rules,

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