X-Git-Url: https://gerrit.automotivelinux.org/gerrit/gitweb?a=blobdiff_plain;f=src%2Fafb-session.c;h=61aa3f61914195551b0eecdbb0221696401f2814;hb=6f13ad1989875b5a0ce50b24211fd1fba093735f;hp=fdc88fdf255d4d0eebe2e87a803751719080a5b1;hpb=8647a3478674979cca582774168a6f220de171ef;p=src%2Fapp-framework-binder.git diff --git a/src/afb-session.c b/src/afb-session.c index fdc88fdf..61aa3f61 100644 --- a/src/afb-session.c +++ b/src/afb-session.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2015-2018 "IoT.bzh" + * Copyright (C) 2015-2019 "IoT.bzh" * Author "Fulup Ar Foll" * Author: José Bollo * @@ -24,16 +24,14 @@ #include #include #include -#include #include -#include #include "afb-session.h" #include "afb-hook.h" #include "verbose.h" #include "pearson.h" +#include "uuid.h" -#define SIZEUUID 37 #define HEADCOUNT 16 #define COOKIECOUNT 8 #define COOKIEMASK (COOKIECOUNT - 1) @@ -65,11 +63,12 @@ struct afb_session time_t expiration; /**< expiration time of the token */ pthread_mutex_t mutex; /**< mutex of the session */ struct cookie *cookies[COOKIECOUNT]; /**< cookies of the session */ + char *lang; /**< current language setting for the session */ uint8_t closed: 1; /**< is the session closed ? */ uint8_t autoclose: 1; /**< close the session when unreferenced */ uint8_t notinset: 1; /**< session removed from the set of sessions */ - char uuid[SIZEUUID]; /**< long term authentication of remote client */ - char token[SIZEUUID]; /**< short term authentication of remote client */ + uuid_stringz_t uuid; /**< long term authentication of remote client */ + uuid_stringz_t token; /**< short term authentication of remote client */ }; /** @@ -80,7 +79,7 @@ static struct { int max; /**< maximum count of sessions */ int timeout; /**< common initial timeout */ struct afb_session *heads[HEADCOUNT]; /**< sessions */ - char initok[SIZEUUID]; /**< common initial token */ + uuid_stringz_t initok; /**< common initial token */ pthread_mutex_t mutex; /**< declare a mutex to protect hash table */ } sessions = { .count = 0, @@ -101,65 +100,6 @@ static inline time_t time_now() return ts.tv_sec; } -/** - * generate a new fresh 'uuid' - */ -static void new_uuid(char uuid[SIZEUUID]) -{ - uuid_t newuuid; - -#if defined(USE_UUID_GENERATE) - uuid_generate(newuuid); -#else - struct timespec ts; - static uint16_t pid; - static uint16_t counter; - static char state[32]; - static struct random_data rdata; - - int32_t x; - clock_gettime(CLOCK_MONOTONIC_RAW, &ts); - if (pid == 0) { - pid = (uint16_t)getpid(); - counter = (uint16_t)(ts.tv_nsec >> 8); - rdata.state = NULL; - initstate_r((((unsigned)pid) << 16) + ((unsigned)counter), - state, sizeof state, &rdata); - } - ts.tv_nsec ^= (long)ts.tv_sec; - if (++counter == 0) - counter = 1; - - newuuid[0] = (char)(ts.tv_nsec >> 24); - newuuid[1] = (char)(ts.tv_nsec >> 16); - newuuid[2] = (char)(ts.tv_nsec >> 8); - newuuid[3] = (char)(ts.tv_nsec); - - newuuid[4] = (char)(pid >> 8); - newuuid[5] = (char)(pid); - - random_r(&rdata, &x); - newuuid[6] = (char)(((x >> 16) & 0x0f) | 0x40); /* pseudo-random version */ - newuuid[7] = (char)(x >> 8); - - random_r(&rdata, &x); - newuuid[8] = (char)(((x >> 16) & 0x3f) | 0x80); /* variant RFC4122 */ - newuuid[9] = (char)(x >> 8); - - random_r(&rdata, &x); - newuuid[10] = (char)(x >> 16); - newuuid[11] = (char)(x >> 8); - - random_r(&rdata, &x); - newuuid[12] = (char)(x >> 16); - newuuid[13] = (char)(x >> 8); - - newuuid[14] = (char)(counter >> 8); - newuuid[15] = (char)(counter); -#endif - uuid_unparse_lower(newuuid, uuid); -} - /* lock the set of sessions for exclusive access */ static inline void sessionset_lock() { @@ -205,12 +145,12 @@ static int sessionset_add(struct afb_session *session, uint8_t hashidx) } /* make a new uuid not used in the set of sessions */ -static uint8_t sessionset_make_uuid (char uuid[SIZEUUID]) +static uint8_t sessionset_make_uuid (uuid_stringz_t uuid) { uint8_t hashidx; do { - new_uuid(uuid); + uuid_new_stringz(uuid); hashidx = pearson4(uuid); } while(sessionset_search(uuid, hashidx)); return hashidx; @@ -239,8 +179,10 @@ static void session_close(struct afb_session *session) /* close it now */ session->closed = 1; +#if WITH_AFB_HOOK /* emit the hook */ afb_hook_session_close(session); +#endif /* release cookies */ for (idx = 0 ; idx < COOKIECOUNT ; idx++) { @@ -257,8 +199,11 @@ static void session_close(struct afb_session *session) /* destroy the 'session' */ static void session_destroy (struct afb_session *session) { +#if WITH_AFB_HOOK afb_hook_session_destroy(session); +#endif pthread_mutex_destroy(&session->mutex); + free(session->lang); free(session); } @@ -314,7 +259,9 @@ static struct afb_session *session_add(const char *uuid, int timeout, time_t now return NULL; } +#if WITH_AFB_HOOK afb_hook_session_create(session); +#endif return session; } @@ -376,7 +323,7 @@ int afb_session_init (int max_session_count, int timeout, const char *initok) sessions.max = max_session_count; sessions.timeout = timeout; if (initok == NULL) - new_uuid(sessions.initok); + uuid_new_stringz(sessions.initok); else strcpy(sessions.initok, initok); sessionset_unlock(); @@ -472,7 +419,7 @@ int afb_session_what_remains(struct afb_session *session) /* This function will return exiting session or newly created session */ struct afb_session *afb_session_get (const char *uuid, int timeout, int *created) { - char _uuid_[SIZEUUID]; + uuid_stringz_t _uuid_; uint8_t hashidx; struct afb_session *session; time_t now; @@ -511,7 +458,9 @@ end: struct afb_session *afb_session_addref(struct afb_session *session) { if (session != NULL) { +#if WITH_AFB_HOOK afb_hook_session_addref(session); +#endif session_lock(session); session->refcount++; session_unlock(session); @@ -525,7 +474,9 @@ void afb_session_unref(struct afb_session *session) if (session == NULL) return; +#if WITH_AFB_HOOK afb_hook_session_unref(session); +#endif session_lock(session); if (!--session->refcount) { if (session->autoclose) @@ -574,7 +525,7 @@ int afb_session_check_token (struct afb_session *session, const char *token) { int r; - session_unlock(session); + session_lock(session); r = !session->closed && session->expiration >= NOW && !(session->token[0] && strcmp (token, session->token)); @@ -585,10 +536,12 @@ int afb_session_check_token (struct afb_session *session, const char *token) /* generate a new token and update client context */ void afb_session_new_token (struct afb_session *session) { - session_unlock(session); - new_uuid(session->token); + session_lock(session); + uuid_new_stringz(session->token); session_update_expiration(session, NOW); +#if WITH_AFB_HOOK afb_hook_session_renew(session); +#endif session_unlock(session); } @@ -626,7 +579,7 @@ static int cookeyidx(const void *key) * @param makecb the creation function or NULL * @param freecb the release function or NULL * @param closure an argument for makecb or the value if makecb==NULL - * @param replace a boolean enforcing replecement of the previous value + * @param replace a boolean enforcing replacement of the previous value * * @return the value of the cookie * @@ -738,3 +691,37 @@ int afb_session_set_cookie(struct afb_session *session, const void *key, void *v return -(value != afb_session_cookie(session, key, NULL, freecb, value, 1)); } +/** + * Set the language attached to the session + * + * @param session the session to set + * @param lang the language specifiction to set to session + * + * @return 0 in case of success or -1 in case of error + */ +int afb_session_set_language(struct afb_session *session, const char *lang) +{ + char *oldl, *newl; + + newl = strdup(lang); + if (newl == NULL) + return -1; + + oldl = session->lang; + session->lang = newl; + free(oldl); + return 0; +} + +/** + * Get the language attached to the session + * + * @param session the session to query + * @param lang a default language specifiction + * + * @return the langauage specification to use for session + */ +const char *afb_session_get_language(struct afb_session *session, const char *lang) +{ + return session->lang ?: lang; +}