add nfc pam module

[apps/agl-service-data-persistence.git] / pam_agl / pam_agl_usb.c

diff --git a/pam_agl/pam_agl.c b/pam_agl/pam_agl_usb.c
similarity index 80%
rename from pam_agl/pam_agl.c
rename to pam_agl/pam_agl_usb.c
index c85979d..7afe73d 100644 (file)
--- a/pam_agl/pam_agl.c
+++ b/pam_agl/pam_agl_usb.c
@@ -29,37 +29,6 @@ int is_valid_mn(const char* v)
        return v && v[0] == 'I' && v[1] == 'D' && v[2] == 'K' && v[3] == 'Y';
 }
 
-char* get_file_content(const char* path)
-{
-       char* buffer;
-       long length;
-       FILE* f;
-       
-       buffer = NULL;
-       length = 0;
-       
-       f = fopen(path, "rb");
-       if (f)
-       {
-               fseek(f, 0, SEEK_END);
-               length = ftell(f);
-               fseek(f, 0, SEEK_SET);
-               buffer = malloc(length + 1);
-               if (buffer)
-               {
-                       if (fread (buffer, 1, length, f) != length)
-                       {
-                               free(buffer);
-                               buffer = NULL;
-                       }
-                       else buffer[length] = 0;
-               }
-               fclose (f);
-       }
-       
-       return buffer;
-}
-
 int read_device(const char* device, char** idkey)
 {
        int fd;
@@ -90,41 +59,35 @@ int read_device(const char* device, char** idkey)
 
 int authenticate(pam_handle_t* pamh, const char* uuid)
 {
-       char* file_content;
        struct json_object* database;
+       struct json_object* usb;
        struct json_object* key;
 
-       file_content = get_file_content(DATABASE_FILE);
-       if (!file_content)
-       {
-               printf("[PAM DEBUG] Failed to read database file (%s)\n", DATABASE_FILE);
-               return PAM_SERVICE_ERR;
-       }
-       
-       database = json_tokener_parse(file_content);
+       database = json_object_from_file(DATABASE_FILE);
        if (!database)
        {
                printf("[PAM DEBUG] Failed to parse the database\n");
                return PAM_SERVICE_ERR;
        }
        
-       if (json_object_object_get_ex(database, uuid, &key))
-       {
-               printf("[PAM] Key found!\n");
-               printf("[PAM DEBUG] pam_set_item(\"%s\")\n", uuid);
-               pam_set_item(pamh, PAM_USER, uuid);
+       if (json_object_object_get_ex(database, "usb", &usb))
+       {       
+               if (json_object_object_get_ex(usb, uuid, &key))
+               {
+                       printf("[PAM] Key found!\n");
+                       printf("[PAM DEBUG] pam_set_item(\"%s\")\n", uuid);
+                       pam_set_item(pamh, PAM_USER, uuid);
+                               
+                       const char* pam_authtok;
+                       if (pam_get_item(pamh, PAM_AUTHTOK, (const void**)&pam_authtok) == PAM_SUCCESS && !pam_authtok)
+                               pam_set_item(pamh, PAM_AUTHTOK, uuid);
                        
-               const char* pam_authtok;
-               if (pam_get_item(pamh, PAM_AUTHTOK, (const void**)&pam_authtok) == PAM_SUCCESS && !pam_authtok)
-                       pam_set_item(pamh, PAM_AUTHTOK, uuid);
-               
-               json_object_put(database);
-               free(file_content);
-               return PAM_SUCCESS;
+                       json_object_put(database);
+                       return PAM_SUCCESS;
+               }
        }
        
        printf("[PAM] Key not found!\n");
-       free(file_content);
        if (database) json_object_put(database);
        return PAM_AUTH_ERR;
 }