X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/ba5120a469a78ca316916e7be98c5fcb0ddd0d33..afd5e75ffc8f64f0ebed1df9dce64793011c14a6:/src/src/functions.h diff --git a/src/src/functions.h b/src/src/functions.h index 7677a3cd9..042006f95 100644 --- a/src/src/functions.h +++ b/src/src/functions.h @@ -189,6 +189,7 @@ extern void deliver_succeeded(address_item *); extern uschar *deliver_get_sender_address (uschar *id); extern void delivery_re_exec(int); +extern void die_tainted(const uschar *, const uschar *, int); extern BOOL directory_make(const uschar *, const uschar *, int, BOOL); #ifndef DISABLE_DKIM extern uschar *dkim_exim_query_dns_txt(const uschar *); @@ -224,7 +225,7 @@ extern const uschar * exim_errstr(int); extern void exim_exit(int, const uschar *) NORETURN; extern void exim_nullstd(void); extern void exim_setugid(uid_t, gid_t, BOOL, uschar *); -extern void exim_underbar_exit(int); +extern void exim_underbar_exit(int, const uschar *); extern void exim_wait_tick(struct timeval *, int); extern int exp_bool(address_item *addr, uschar *mtype, uschar *mname, unsigned dgb_opt, uschar *oname, BOOL bvalue, @@ -286,9 +287,9 @@ extern void ip_keepalive(int, const uschar *, BOOL); extern int ip_recv(client_conn_ctx *, uschar *, int, time_t); extern int ip_socket(int, int); -extern int ip_tcpsocket(const uschar *, uschar **, int); +extern int ip_tcpsocket(const uschar *, uschar **, int, host_item *); extern int ip_unixsocket(const uschar *, uschar **); -extern int ip_streamsocket(const uschar *, uschar **, int); +extern int ip_streamsocket(const uschar *, uschar **, int, host_item *); extern int ipv6_nmtoa(int *, uschar *); @@ -362,8 +363,12 @@ extern int vaguely_random_number_fallback(int); extern BOOL queue_action(uschar *, int, uschar **, int, int); extern void queue_check_only(void); +extern unsigned queue_count(void); +extern unsigned queue_count_cached(void); extern void queue_list(int, uschar **, int); -extern void queue_count(void); +#ifdef EXPERIMENTAL_QUEUE_RAMP +extern void queue_notify_daemon(const uschar * hostname); +#endif extern void queue_run(uschar *, uschar *, BOOL); extern int random_number(int); @@ -416,8 +421,8 @@ extern uschar *rfc2047_decode2(uschar *, BOOL, uschar *, int, int *, int *, uschar **); extern int route_address(address_item *, address_item **, address_item **, address_item **, address_item **, int); -extern int route_check_prefix(const uschar *, const uschar *); -extern int route_check_suffix(const uschar *, const uschar *); +extern int route_check_prefix(const uschar *, const uschar *, unsigned *); +extern int route_check_suffix(const uschar *, const uschar *, unsigned *); extern BOOL route_findgroup(uschar *, gid_t *); extern BOOL route_finduser(const uschar *, struct passwd **, uid_t *); extern BOOL route_find_expanded_group(uschar *, uschar *, uschar *, gid_t *, @@ -606,6 +611,58 @@ extern BOOL write_chunk(transport_ctx *, uschar *, int); extern ssize_t write_to_fd_buf(int, const uschar *, size_t); +/******************************************************************************/ +/* Predicate: if an address is in a tainted pool. +By extension, a variable pointing to this address is tainted. +*/ + +static inline BOOL +is_tainted(const void * p) +{ +#if defined(COMPILE_UTILITY) || defined(MACRO_PREDEF) || defined(EM_VERSION_C) +return FALSE; + +#else +extern BOOL is_tainted_fn(const void *); +return is_tainted_fn(p); +#endif +} + +/******************************************************************************/ +/* String functions */ +static inline uschar * __Ustrcat(uschar * dst, const uschar * src, const char * func, int line) +{ +#if !defined(COMPILE_UTILITY) && !defined(MACRO_PREDEF) +if (!is_tainted(dst) && is_tainted(src)) die_tainted(US"Ustrcat", CUS func, line); +#endif +return US strcat(CS dst, CCS src); +} +static inline uschar * __Ustrcpy(uschar * dst, const uschar * src, const char * func, int line) +{ +#if !defined(COMPILE_UTILITY) && !defined(MACRO_PREDEF) +if (!is_tainted(dst) && is_tainted(src)) die_tainted(US"Ustrcpy", CUS func, line); +#endif +return US strcpy(CS dst, CCS src); +} +static inline uschar * __Ustrncat(uschar * dst, const uschar * src, size_t n, const char * func, int line) +{ +#if !defined(COMPILE_UTILITY) && !defined(MACRO_PREDEF) +if (!is_tainted(dst) && is_tainted(src)) die_tainted(US"Ustrncat", CUS func, line); +#endif +return US strncat(CS dst, CCS src, n); +} +static inline uschar * __Ustrncpy(uschar * dst, const uschar * src, size_t n, const char * func, int line) +{ +#if !defined(COMPILE_UTILITY) && !defined(MACRO_PREDEF) +if (!is_tainted(dst) && is_tainted(src)) die_tainted(US"Ustrncpy", CUS func, line); +#endif +return US strncpy(CS dst, CCS src, n); +} +/*XXX will likely need unchecked copy also */ + + +/******************************************************************************/ + #if !defined(MACRO_PREDEF) && !defined(COMPILE_UTILITY) /* exim_chown - in some NFSv4 setups *seemes* to be an issue with chown(, ). @@ -638,8 +695,8 @@ exim_chown(const uschar *name, uid_t owner, gid_t group) return chown(CCS name, owner, group) ? exim_chown_failure(-1, name, owner, group) : 0; } - #endif /* !MACRO_PREDEF && !COMPILE_UTILITY */ + /******************************************************************************/ /* String functions */ @@ -664,11 +721,14 @@ return ss; string_copy_taint_trc((s), tainted, __FUNCTION__, __LINE__) static inline uschar * -string_copy(const uschar * s) +string_copy_trc(const uschar * s, const char * func, int line) { -return string_copy_taint((s), is_tainted(s)); +return string_copy_taint_trc((s), is_tainted(s), func, line); } +#define string_copy(s) \ + string_copy_trc((s), __FUNCTION__, __LINE__) + /************************************************* * Copy, lowercase and save string * @@ -859,6 +919,18 @@ va_end(ap); return g; } + +/* Copy the content of a string to tainted memory */ + +static inline void +gstring_rebuffer(gstring * g) +{ +uschar * s = store_get(g->size, TRUE); +memcpy(s, g->s, g->ptr); +g->s = s; +} + + /******************************************************************************/ #define store_get_dns_answer() store_get_dns_answer_trc(CUS __FUNCTION__, __LINE__) @@ -987,7 +1059,7 @@ static inline void testharness_pause_ms(int millisec) { #ifndef MEASURE_TIMING -if (f.running_in_test_harness) millisleep(millisec); +if (f.running_in_test_harness && f.testsuite_delays) millisleep(millisec); #endif }