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[Libguestfs] [PATCH 3/6] New API: yara_destroy



The yara_destroy API allows to claim resources back via the removal of
the previously loaded Yara rules.

Signed-off-by: Matteo Cafasso <noxdafox gmail com>
---
 daemon/yara.c        | 14 ++++++++++++++
 generator/actions.ml |  9 +++++++++
 src/MAX_PROC_NR      |  2 +-
 3 files changed, 24 insertions(+), 1 deletion(-)

diff --git a/daemon/yara.c b/daemon/yara.c
index 0d085a8..a6b9fe2 100644
--- a/daemon/yara.c
+++ b/daemon/yara.c
@@ -98,6 +98,20 @@ do_yara_load (void)
   return 0;
 }

+int
+do_yara_destroy (void)
+{
+  if (rules == NULL) {
+    reply_with_error ("no yara rules loaded");
+    return -1;
+  }
+
+  yr_rules_destroy (rules);
+  rules = NULL;
+
+  return 0;
+}
+
 /* Upload rules file on a temporary file.
  * Return 0 on success, -1 on error.
  */
diff --git a/generator/actions.ml b/generator/actions.ml
index 14659bd..966e012 100644
--- a/generator/actions.ml
+++ b/generator/actions.ml
@@ -13268,6 +13268,15 @@ Rules in source code format cannot include external files. In such cases,
 it is recommended to compile them first.

 Previously loaded rules will be destroyed." };
+
+  { defaults with
+    name = "yara_destroy"; added = (1, 35, 15);
+    style = RErr, [], [];
+    proc_nr = Some 472;
+    optional = Some "libyara";
+    shortdesc = "destroy previously loaded yara rules";
+    longdesc = "\
+Destroy previously loaded Yara rules in order to free libguestfs resources." };
 ]

 (* Non-API meta-commands available only in guestfish.
diff --git a/src/MAX_PROC_NR b/src/MAX_PROC_NR
index c305aa5..68cfb10 100644
--- a/src/MAX_PROC_NR
+++ b/src/MAX_PROC_NR
@@ -1 +1 @@
-471
+472
--
2.10.1


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