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termux-packages/packages/krb5/lib-krb5-os-dnsglue.c.patch
2021-12-20 11:30:25 +02:00

63 lines
1.6 KiB
Diff

--- a/lib/krb5/os/dnsglue.c
+++ b/lib/krb5/os/dnsglue.c
@@ -100,6 +100,41 @@
#else
+#ifdef __ANDROID__
+#include <dlfcn.h>
+typedef int (*res_init_func_t)(void);
+typedef int (*res_search_func_t)(const char *, int, int, unsigned char *, int);
+static res_init_func_t res_init_func = res_init;
+static res_search_func_t res_search_func = res_search;
+#undef res_init
+#undef res_search
+static int res_funcs_initialized;
+
+int
+res_init(void)
+{
+ if (!res_funcs_initialized) {
+ void *wrapper_handle = dlopen("libresolv_wrapper.so", RTLD_NOW);
+ if (wrapper_handle != NULL) {
+ res_init_func_t res_init_wrapper = dlsym(wrapper_handle, "res_init");
+ res_search_func_t res_search_wrapper = dlsym(wrapper_handle, "res_search");
+ if (res_init_wrapper != NULL && res_search_wrapper != NULL) {
+ res_init_func = res_init_wrapper;
+ res_search_func = res_search_wrapper;
+ }
+ }
+ res_funcs_initialized = 1;
+ }
+ return res_init_func();
+}
+
+int
+res_search(const char *dname, int class, int type, unsigned char *answer, int anslen)
+{
+ return res_search_func(dname, class, type, answer, anslen);
+}
+#endif /* __ANDROID__ */
+
/* Use res_init and res_search. */
#define DECLARE_HANDLE(h)
#define INIT_HANDLE(h) (res_init() == 0)
@@ -499,6 +534,9 @@
char *
k5_primary_domain()
{
+#ifdef __ANDROID__
+ return NULL;
+#else
char *domain;
DECLARE_HANDLE(h);
@@ -507,6 +545,7 @@
domain = PRIMARY_DOMAIN(h);
DESTROY_HANDLE(h);
return domain;
+#endif
}
#endif /* not _WIN32 */