X-Git-Url: https://git.distorted.org.uk/~mdw/secnet/blobdiff_plain/f1393100aa5412f0df5ee363c6bdd42b2465fa59..94a1d5fce6a68fce8216d4b45ef6148d353c2c3a:/secnet.h diff --git a/secnet.h b/secnet.h index 54d84a5..76db603 100644 --- a/secnet.h +++ b/secnet.h @@ -14,8 +14,10 @@ #include #include #include +#include #include #include +#include #include #include #include @@ -58,6 +60,10 @@ extern struct log_if *system_log; /* from process.c */ extern void start_signal_handling(void); +void afterfork(void); +/* Must be called before exec in every child made after + start_signal_handling. Safe to call in earlier children too. */ + /***** CONFIGURATION support *****/ extern bool_t just_check_config; /* If True then we're going to exit after @@ -169,6 +175,7 @@ extern void *safe_realloc_ary(void *p, size_t size, size_t count, const char *message); void setcloexec(int fd); /* cannot fail */ +void setnonblock(int fd); /* cannot fail */ void pipe_cloexec(int fd[2]); /* pipe(), setcloexec() twice; cannot fail */ extern int sys_cmd(const char *file, const char *argc, ...); @@ -262,12 +269,20 @@ bool_t remove_hook(uint32_t phase, hook_fn *f, void *state); extern uint32_t current_phase; extern void enter_phase(uint32_t new_phase); +void phase_hooks_init(void); /* for main() only */ +void clear_phase_hooks(uint32_t phase); /* for afterfork() */ + /* Some features (like netlink 'soft' routes) require that secnet retain root privileges. They should indicate that here when appropriate. */ extern bool_t require_root_privileges; extern cstring_t require_root_privileges_explanation; +/* Some modules may want to know whether secnet is going to drop + privilege, so that they know whether to do privsep. Call only + in phases SETUP and later. */ +bool_t will_droppriv(void); + /***** END of program lifetime support *****/ /***** MODULE support *****/ @@ -282,6 +297,7 @@ extern void init_builtin_modules(dict_t *dict); extern init_module resolver_module; extern init_module random_module; extern init_module udp_module; +extern init_module polypath_module; extern init_module util_module; extern init_module site_module; extern init_module transform_eax_module; @@ -378,7 +394,7 @@ struct comm_addr { }; /* Return True if the packet was processed, and shouldn't be passed to - any other potential receivers. */ + any other potential receivers. (buf is freed iff True returned.) */ typedef bool_t comm_notify_fn(void *state, struct buffer_if *buf, const struct comm_addr *source); typedef void comm_request_notify_fn(void *commst, void *nst, @@ -597,6 +613,8 @@ void lg_vperror(struct log_if *lg, const char *desc, struct cloc *loc, void lg_perror(struct log_if *lg, const char *desc, struct cloc *loc, int class, int errnoval, const char *fmt, ...) FORMAT(printf,6,7); +void lg_exitstatus(struct log_if *lg, const char *desc, struct cloc *loc, + int class, int status, const char *progname); /* The cfgfatal() family of functions require messages that end in '\n' */ extern NORETURN(cfgfatal(struct cloc loc, cstring_t facility,