diff options
Diffstat (limited to 'src/libstrongswan/plugins/af_alg/af_alg_plugin.c')
| -rw-r--r-- | src/libstrongswan/plugins/af_alg/af_alg_plugin.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/libstrongswan/plugins/af_alg/af_alg_plugin.c b/src/libstrongswan/plugins/af_alg/af_alg_plugin.c index 445667507..571882cec 100644 --- a/src/libstrongswan/plugins/af_alg/af_alg_plugin.c +++ b/src/libstrongswan/plugins/af_alg/af_alg_plugin.c @@ -22,6 +22,8 @@ #include "af_alg_prf.h" #include "af_alg_crypter.h" +#include <unistd.h> + typedef struct private_af_alg_plugin_t private_af_alg_plugin_t; /** @@ -41,6 +43,19 @@ METHOD(plugin_t, get_name, char*, return "af-alg"; } +static bool af_alg_supported() +{ + int fd; + + fd = socket(AF_ALG, SOCK_SEQPACKET, 0); + if (fd != -1) + { + close(fd); + return true; + } + return false; +} + METHOD(plugin_t, get_features, int, private_af_alg_plugin_t *this, plugin_feature_t *features[]) { @@ -50,6 +65,10 @@ METHOD(plugin_t, get_features, int, if (!count) { /* initialize only once */ + if (!af_alg_supported()) + { + return 0; + } f[count++] = PLUGIN_REGISTER(HASHER, af_alg_hasher_create); af_alg_hasher_probe(f, &count); f[count++] = PLUGIN_REGISTER(SIGNER, af_alg_signer_create); |