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-rw-r--r--src/src/functions.h136
1 files changed, 120 insertions, 16 deletions
diff --git a/src/src/functions.h b/src/src/functions.h
index 806ba755d..bcf04c2d2 100644
--- a/src/src/functions.h
+++ b/src/src/functions.h
@@ -218,6 +218,7 @@ 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_wait_tick(struct timeval *, int);
extern int exp_bool(address_item *addr,
uschar *mtype, uschar *mname, unsigned dgb_opt, uschar *oname, BOOL bvalue,
@@ -458,7 +459,7 @@ extern void smtp_log_no_mail(void);
extern void smtp_message_code(uschar **, int *, uschar **, uschar **, BOOL);
extern void smtp_proxy_tls(void *, uschar *, size_t, int *, int) NORETURN;
extern BOOL smtp_read_response(void *, uschar *, int, int, int);
-extern void smtp_reset(void *);
+extern void *smtp_reset(void *);
extern void smtp_respond(uschar *, int, BOOL, uschar *);
extern void smtp_notquit_exit(uschar *, uschar *, uschar *, ...);
extern void smtp_port_for_connect(host_item *, int);
@@ -485,6 +486,8 @@ extern int stdin_getc(unsigned);
extern int stdin_feof(void);
extern int stdin_ferror(void);
extern int stdin_ungetc(int);
+
+extern void store_exit(void);
extern gstring *string_append(gstring *, int, ...) WARN_UNUSED_RESULT;
extern gstring *string_append_listele(gstring *, uschar, const uschar *) WARN_UNUSED_RESULT;
extern gstring *string_append_listele_n(gstring *, uschar, const uschar *, unsigned) WARN_UNUSED_RESULT;
@@ -496,8 +499,6 @@ extern int string_compare_by_pointer(const void *, const void *);
extern uschar *string_copy_dnsdomain(uschar *);
extern uschar *string_copy_malloc(const uschar *);
extern uschar *string_dequote(const uschar **);
-extern gstring *string_fmt_append(gstring *, const char *, ...) ALMOST_PRINTF(2,3);
-extern BOOL string_format(uschar *, int, const char *, ...) ALMOST_PRINTF(3,4);
extern uschar *string_format_size(int, uschar *);
extern int string_interpret_escape(const uschar **);
extern int string_is_ip_address(const uschar *, int *);
@@ -505,7 +506,6 @@ extern int string_is_ip_address(const uschar *, int *);
extern BOOL string_is_utf8(const uschar *);
#endif
extern uschar *string_nextinlist(const uschar **, int *, uschar *, int);
-extern uschar *string_open_failed(int, const char *, ...) PRINTF_FUNCTION(2,3);
extern const uschar *string_printing2(const uschar *, BOOL);
extern uschar *string_split_message(uschar *);
extern uschar *string_timediff(struct timeval *);
@@ -518,7 +518,23 @@ extern uschar *string_domain_utf8_to_alabel(const uschar *, uschar **);
extern uschar *string_localpart_alabel_to_utf8(const uschar *, uschar **);
extern uschar *string_localpart_utf8_to_alabel(const uschar *, uschar **);
#endif
-extern gstring *string_vformat(gstring *, BOOL, const char *, va_list);
+
+#define string_format(buf, siz, fmt, ...) \
+ string_format_trc(buf, siz, US __FUNCTION__, __LINE__, fmt, __VA_ARGS__)
+extern BOOL string_format_trc(uschar *, int, const uschar *, unsigned,
+ const char *, ...) ALMOST_PRINTF(5,6);
+
+#define string_vformat(g, flgs, fmt, ap) \
+ string_vformat_trc(g, US __FUNCTION__, __LINE__, \
+ STRING_SPRINTF_BUFFER_SIZE, flgs, fmt, ap)
+extern gstring *string_vformat_trc(gstring *, const uschar *, unsigned,
+ unsigned, unsigned, const char *, va_list);
+
+#define string_open_failed(eno, fmt, ...) \
+ string_open_failed_trc(eno, US __FUNCTION__, __LINE__, fmt, __VA_ARGS__)
+extern uschar *string_open_failed_trc(int, const uschar *, unsigned,
+ const char *, ...) PRINTF_FUNCTION(4,5);
+
extern int strcmpic(const uschar *, const uschar *);
extern int strncmpic(const uschar *, const uschar *, int);
extern uschar *strstric(uschar *, uschar *, BOOL);
@@ -623,6 +639,7 @@ return chown(CCS name, owner, group)
/******************************************************************************/
/* String functions */
+#if !defined(MACRO_PREDEF)
/*************************************************
* Copy and save string *
*************************************************/
@@ -630,16 +647,24 @@ return chown(CCS name, owner, group)
/* This function assumes that memcpy() is faster than strcpy().
*/
-#if !defined(MACRO_PREDEF)
static inline uschar *
-string_copy(const uschar *s)
+string_copy_taint_trc(const uschar *s, BOOL tainted, const char * func, int line)
{
int len = Ustrlen(s) + 1;
-uschar *ss = store_get(len);
+uschar *ss = store_get_3(len, tainted, func, line);
memcpy(ss, s, len);
return ss;
}
+#define string_copy_taint(s, tainted) \
+ string_copy_taint_trc((s), tainted, __FUNCTION__, __LINE__)
+
+static inline uschar *
+string_copy(const uschar * s)
+{
+return string_copy_taint((s), is_tainted(s));
+}
+
/*************************************************
* Copy, lowercase and save string *
@@ -653,7 +678,7 @@ Returns: copy of string in new store, with letters lowercased
static inline uschar *
string_copylc(const uschar *s)
{
-uschar *ss = store_get(Ustrlen(s) + 1);
+uschar *ss = store_get(Ustrlen(s) + 1, is_tainted(s));
uschar *p = ss;
while (*s != 0) *p++ = tolower(*s++);
*p = 0;
@@ -681,7 +706,7 @@ This is an API for local_scan hence not static.
static inline uschar *
string_copyn(const uschar *s, int n)
{
-uschar *ss = store_get(n + 1);
+uschar *ss = store_get(n + 1, is_tainted(s));
Ustrncpy(ss, s, n);
ss[n] = 0;
return ss;
@@ -704,7 +729,7 @@ Returns: copy of string in new store, with letters lowercased
static inline uschar *
string_copynlc(uschar *s, int n)
{
-uschar *ss = store_get(n + 1);
+uschar *ss = store_get(n + 1, is_tainted(s));
uschar *p = ss;
while (n-- > 0) *p++ = tolower(*s++);
*p = 0;
@@ -712,21 +737,73 @@ return ss;
}
+/*************************************************
+* Copy and save string in longterm store *
+*************************************************/
+
+/* This function assumes that memcpy() is faster than strcpy().
+
+Argument: string to copy
+Returns: copy of string in new store
+*/
+
+static inline uschar *
+string_copy_perm(const uschar *s, BOOL force_taint)
+{
+int old_pool = store_pool;
+int len = Ustrlen(s) + 1;
+uschar *ss;
+
+store_pool = POOL_PERM;
+ss = store_get(len, force_taint || is_tainted(s));
+memcpy(ss, s, len);
+store_pool = old_pool;
+return ss;
+}
+
+
+
+/* sprintf into a buffer, taint-unchecked */
+
+static inline void
+string_format_nt(uschar * buf, int siz, const char * fmt, ...)
+{
+gstring gs = { .size = siz, .ptr = 0, .s = buf };
+va_list ap;
+va_start(ap, fmt);
+(void) string_vformat(&gs, SVFMT_TAINT_NOCHK, fmt, ap);
+va_end(ap);
+}
+
+
+
/******************************************************************************/
/* Growable-string functions */
-/* Create a growable-string with some preassigned space, in untainted memory */
+/* Create a growable-string with some preassigned space */
+
+#define string_get_tainted(size, tainted) \
+ string_get_tainted_trc((size), (tainted), __FUNCTION__, __LINE__)
static inline gstring *
-string_get(unsigned size)
+string_get_tainted_trc(unsigned size, BOOL tainted, const char * func, unsigned line)
{
-gstring * g = store_get(sizeof(gstring) + size);
+gstring * g = store_get_3(sizeof(gstring) + size, tainted, func, line);
g->size = size;
g->ptr = 0;
g->s = US(g + 1);
return g;
}
+#define string_get(size) \
+ string_get_trc((size), __FUNCTION__, __LINE__)
+
+static inline gstring *
+string_get_trc(unsigned size, const char * func, unsigned line)
+{
+return string_get_tainted_trc(size, FALSE, func, line);
+}
+
/* NUL-terminate the C string in the growable-string, and return it. */
static inline uschar *
@@ -737,10 +814,37 @@ g->s[g->ptr] = '\0';
return g->s;
}
+
+#define gstring_release_unused(g) \
+ gstring_release_unused_trc(g, __FUNCTION__, __LINE__)
+
static inline void
-gstring_release_unused(gstring * g)
+gstring_release_unused_trc(gstring * g, const char * file, unsigned line)
{
-if (g) store_reset(g->s + (g->size = g->ptr + 1));
+if (g) store_release_above_3(g->s + (g->size = g->ptr + 1), file, line);
+}
+
+
+/* sprintf-append to a growable-string */
+
+#define string_fmt_append(g, fmt, ...) \
+ string_fmt_append_f_trc(g, US __FUNCTION__, __LINE__, \
+ SVFMT_EXTEND|SVFMT_REBUFFER, fmt, __VA_ARGS__)
+
+#define string_fmt_append_f(g, flgs, fmt, ...) \
+ string_fmt_append_f_trc(g, US __FUNCTION__, __LINE__, \
+ flgs, fmt, __VA_ARGS__)
+
+static inline gstring *
+string_fmt_append_f_trc(gstring * g, const uschar * func, unsigned line,
+ unsigned flags, const char *format, ...)
+{
+va_list ap;
+va_start(ap, format);
+g = string_vformat_trc(g, func, line, STRING_SPRINTF_BUFFER_SIZE,
+ flags, format, ap);
+va_end(ap);
+return g;
}
/******************************************************************************/
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-17 01:27:04 +0000