AmendHub

--- session.c Fri Nov 17 12:27:44 2023 +++ session.c Fri Nov 17 14:04:55 2023 @@ -38,6 +38,11 @@ #include "console.h" +#define OBUF_CANARY 0xaaaaaaaa +#define IBUF_CANARY 0xe38e38e3 +#define OBUFLEN_CANARY 0x1c71c71c +#define IBUFLEN_CANARY 0x55555555 + struct session *sessions[MAX_SESSIONS] = { 0 }; short nsessions = 0; @@ -104,10 +109,10 @@ session_create(char *node, char *via, struct node_func sizeof(session->log.location)); session->last_input_at = session->established_at = Time; - session->obuf_canary = 0xffffffff; - session->ibuf_canary = 0xffffffff; - session->obuflen_canary = 0xffffffff; - session->ibuflen_canary = 0xffffffff; + session->obuf_canary = OBUF_CANARY; + session->ibuf_canary = IBUF_CANARY; + session->obuflen_canary = OBUFLEN_CANARY; + session->ibuflen_canary = IBUFLEN_CANARY; for (n = 0; n < MAX_SESSIONS; n++) { if (sessions[n] != NULL) @@ -535,13 +540,13 @@ session_close(struct session *session) void session_check_buf_canaries(struct session *session) { - if (session->obuf_canary != 0xffffffff) + if (session->obuf_canary != OBUF_CANARY) warn("obuf canary dead"); - if (session->ibuf_canary != 0xffffffff) + if (session->ibuf_canary != IBUF_CANARY) warn("ibuf canary dead"); - if (session->obuflen_canary != 0xffffffff) + if (session->obuflen_canary != OBUFLEN_CANARY) warn("obuflen canary dead"); - if (session->ibuflen_canary != 0xffffffff) + if (session->ibuflen_canary != IBUFLEN_CANARY) warn("ibuflen canary dead"); }