* basic_filters.c: Add path filter functions.
* filter.c (filter_types): Add path filter entries.
---
basic_filters.c | 34 ++++++++++++++++++++++++++++++++++
filter.c | 4 +++-
2 files changed, 37 insertions(+), 1 deletion(-)
diff --git a/basic_filters.c b/basic_filters.c
index ca4f78c..5663ed9 100644
--- a/basic_filters.c
+++ b/basic_filters.c
@@ -473,3 +473,37 @@ free_fd_filter(void *_priv_data)
free(set);
return;
}
+
+/* Additional path_set struct, necessary to free the filter. */
+struct path_set_filter {
+ char **paths_selected;
+ unsigned int num_selected;
+};
+
+void *
+parse_path_filter(const char *path, const char *const name)
+{
+ struct path_set *set = xmalloc(sizeof(struct path_set));
+ memset(set, 0, sizeof(struct path_set));
+ pathtrace_select_set(path, set);
+ return set;
+}
+
+bool
+run_path_filter(struct tcb *tcp, void *_priv_data)
+{
+ struct path_set *set = _priv_data;
+ return pathtrace_match_set(tcp, set);
+}
+
+void
+free_path_filter(void *_priv_data)
+{
+ struct path_set_filter *set = _priv_data;
+ unsigned int i;
+ for (i = 0; i < set->num_selected; ++i)
+ free(set->paths_selected[i]);
+ free(set->paths_selected);
+ free(set);
+ return;
+}
diff --git a/filter.c b/filter.c
index 934b0eb..5582d2a 100644
--- a/filter.c
+++ b/filter.c
@@ -36,6 +36,7 @@ extern void
\
free_ ## name ## _filter(void *)
DECL_FILTER(syscall);
DECL_FILTER(fd);
+DECL_FILTER(path);
#undef DECL_FILTER
#define FILTER_TYPE(name) \
@@ -49,7 +50,8 @@ static const struct filter_type {
void (*free_priv_data)(void *);
} filter_types[] = {
FILTER_TYPE(syscall),
- FILTER_TYPE(fd)
+ FILTER_TYPE(fd),
+ FILTER_TYPE(path)
};
#undef FILTER_TYPE
--
2.1.4
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