X-Git-Url: https://gerrit.automotivelinux.org/gerrit/gitweb?a=blobdiff_plain;f=src%2Fafb-auth.c;h=a5ad0ea4c539a32ea93eb6b1052c80ac7a4b9719;hb=ef3d8bddfd976643620f56471a4711cd0daa197f;hp=900ec4c67b0f172fd2f21965e57496e9969e5ad5;hpb=3dbe2d3eeeec9c1d3cf82f41378b306499b9d41b;p=src%2Fapp-framework-binder.git diff --git a/src/afb-auth.c b/src/afb-auth.c index 900ec4c6..a5ad0ea4 100644 --- a/src/afb-auth.c +++ b/src/afb-auth.c @@ -17,11 +17,12 @@ */ #define _GNU_SOURCE -#define AFB_BINDING_PRAGMA_NO_VERBOSE_MACRO #include +#include #include +#include #include "afb-auth.h" #include "afb-context.h" @@ -29,9 +30,7 @@ #include "afb-cred.h" #include "verbose.h" -static int check_permission(const char *permission, struct afb_xreq *xreq); - -int afb_auth_check(const struct afb_auth *auth, struct afb_xreq *xreq) +int afb_auth_check(struct afb_xreq *xreq, const struct afb_auth *auth) { switch (auth->type) { default: @@ -45,19 +44,16 @@ int afb_auth_check(const struct afb_auth *auth, struct afb_xreq *xreq) return afb_context_check_loa(&xreq->context, auth->loa); case afb_auth_Permission: - if (xreq->cred && auth->text) - return check_permission(auth->text, xreq); - /* TODO: handle case of self permission */ - return 1; + return afb_auth_has_permission(xreq, auth->text); case afb_auth_Or: - return afb_auth_check(auth->first, xreq) || afb_auth_check(auth->next, xreq); + return afb_auth_check(xreq, auth->first) || afb_auth_check(xreq, auth->next); case afb_auth_And: - return afb_auth_check(auth->first, xreq) && afb_auth_check(auth->next, xreq); + return afb_auth_check(xreq, auth->first) && afb_auth_check(xreq, auth->next); case afb_auth_Not: - return !afb_auth_check(auth->first, xreq); + return !afb_auth_check(xreq, auth->first); case afb_auth_Yes: return 1; @@ -73,10 +69,19 @@ int afb_auth_check(const struct afb_auth *auth, struct afb_xreq *xreq) static cynara *handle; static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; -static int check_permission(const char *permission, struct afb_xreq *xreq) +int afb_auth_has_permission(struct afb_xreq *xreq, const char *permission) { int rc; + if (!xreq->cred) { + /* case of permission for self */ + return 1; + } + if (!permission) { + ERROR("Got a null permission!"); + return 0; + } + /* cynara isn't reentrant */ pthread_mutex_lock(&mutex); @@ -99,10 +104,97 @@ static int check_permission(const char *permission, struct afb_xreq *xreq) /*********************************************************************************/ #else -static int check_permission(const char *permission, struct afb_xreq *xreq) +int afb_auth_has_permission(struct afb_xreq *xreq, const char *permission) { - WARNING("Granting permission %s by default of backend", permission); - return 1; + WARNING("Granting permission %s by default of backend", permission ?: "(null)"); + return !!permission; } #endif +/*********************************************************************************/ + +static struct json_object *addperm(struct json_object *o, struct json_object *x) +{ + struct json_object *a; + + if (!o) + return x; + + if (!json_object_object_get_ex(o, "allOf", &a)) { + a = json_object_new_array(); + json_object_array_add(a, o); + o = json_object_new_object(); + json_object_object_add(o, "allOf", a); + } + json_object_array_add(a, x); + return o; +} + +static struct json_object *addperm_key_val(struct json_object *o, const char *key, struct json_object *val) +{ + struct json_object *x = json_object_new_object(); + json_object_object_add(x, key, val); + return addperm(o, x); +} + +static struct json_object *addperm_key_valstr(struct json_object *o, const char *key, const char *val) +{ + return addperm_key_val(o, key, json_object_new_string(val)); +} + +static struct json_object *addperm_key_valint(struct json_object *o, const char *key, int val) +{ + return addperm_key_val(o, key, json_object_new_int(val)); +} + +static struct json_object *addauth_or_array(struct json_object *o, const struct afb_auth *auth); + +static struct json_object *addauth(struct json_object *o, const struct afb_auth *auth) +{ + switch(auth->type) { + case afb_auth_No: return addperm(o, json_object_new_boolean(0)); + case afb_auth_Token: return addperm_key_valstr(o, "session", "check"); + case afb_auth_LOA: return addperm_key_valint(o, "LOA", auth->loa); + case afb_auth_Permission: return addperm_key_valstr(o, "permission", auth->text); + case afb_auth_Or: return addperm_key_val(o, "anyOf", addauth_or_array(json_object_new_array(), auth)); + case afb_auth_And: return addauth(addauth(o, auth->first), auth->next); + case afb_auth_Not: return addperm_key_val(o, "not", addauth(NULL, auth->first)); + case afb_auth_Yes: return addperm(o, json_object_new_boolean(1)); + } + return o; +} + +static struct json_object *addauth_or_array(struct json_object *o, const struct afb_auth *auth) +{ + if (auth->type != afb_auth_Or) + json_object_array_add(o, addauth(NULL, auth)); + else { + addauth_or_array(o, auth->first); + addauth_or_array(o, auth->next); + } + + return o; +} + +struct json_object *afb_auth_json_v2(const struct afb_auth *auth, int session) +{ + struct json_object *result = NULL; + + if (session & AFB_SESSION_CLOSE_V2) + result = addperm_key_valstr(result, "session", "close"); + + if (session & AFB_SESSION_CHECK_V2) + result = addperm_key_valstr(result, "session", "check"); + + if (session & AFB_SESSION_REFRESH_V2) + result = addperm_key_valstr(result, "token", "refresh"); + + if (session & AFB_SESSION_LOA_MASK_V2) + result = addperm_key_valint(result, "LOA", session & AFB_SESSION_LOA_MASK_V2); + + if (auth) + result = addauth(result, auth); + + return result; +} +