Taint: invert the taint-check implementation control #define

[exim.git] / src / src / mytypes.h

diff --git a/src/src/mytypes.h b/src/src/mytypes.h
index de2371c7d9200c296c90f1001ed22234f29eaa87..fd33168f717dc692c49b8c0c12135c15c3dba5d0 100644 (file)
--- a/src/src/mytypes.h
+++ b/src/src/mytypes.h
@@ -100,19 +100,19 @@ functions that are called quite often; for other calls to external libraries
 #define Uread(f,b,l)       read(f,CS(b),l)
 #define Urename(s,t)       rename(CCS(s),CCS(t))
 #define Ustat(s,t)         stat(CCS(s),t)
-#define Ustrcat(s,t)       __Ustrcat(s,t, __FUNCTION__, __LINE__)
+#define Ustrcat(s,t)       __Ustrcat(s, CUS(t), __FUNCTION__, __LINE__)
 #define Ustrchr(s,n)       US strchr(CCS(s),n)
 #define CUstrchr(s,n)      CUS strchr(CCS(s),n)
 #define CUstrerror(n)      CUS strerror(n)
 #define Ustrcmp(s,t)       strcmp(CCS(s),CCS(t))
-#define Ustrcpy(s,t)       __Ustrcpy(s,t, __FUNCTION__, __LINE__)
+#define Ustrcpy(s,t)       __Ustrcpy(s, CUS(t), __FUNCTION__, __LINE__)
 #define Ustrcpy_nt(s,t)    strcpy(CS s, CCS t)         /* no taint check */
 #define Ustrcspn(s,t)      strcspn(CCS(s),CCS(t))
 #define Ustrftime(s,m,f,t) strftime(CS(s),m,f,t)
 #define Ustrlen(s)         (int)strlen(CCS(s))
-#define Ustrncat(s,t,n)    __Ustrncat(s,t,n, __FUNCTION__, __LINE__)
+#define Ustrncat(s,t,n)    __Ustrncat(s, CUS(t),n, __FUNCTION__, __LINE__)
 #define Ustrncmp(s,t,n)    strncmp(CCS(s),CCS(t),n)
-#define Ustrncpy(s,t,n)    __Ustrncpy(s,t,n, __FUNCTION__, __LINE__)
+#define Ustrncpy(s,t,n)    __Ustrncpy(s, CUS(t),n, __FUNCTION__, __LINE__)
 #define Ustrncpy_nt(s,t,n) strncpy(CS s, CCS t, n)     /* no taint check */
 #define Ustrpbrk(s,t)      strpbrk(CCS(s),CCS(t))
 #define Ustrrchr(s,n)      US strrchr(CCS(s),n)
@@ -134,8 +134,13 @@ By extension, a variable pointing to this address is tainted.
 static inline BOOL
 is_tainted(const void * p)
 {
-#ifdef MACRO_PREDEF
+#if defined(COMPILE_UTILITY) || defined(MACRO_PREDEF)
 return FALSE;
+
+#elif !defined(TAINT_CHECK_FAST)
+extern BOOL is_tainted_fn(const void *);
+return is_tainted_fn(p);
+
 #else
 extern void * tainted_base, * tainted_top;
 return p >= tainted_base && p < tainted_top;
@@ -144,28 +149,28 @@ return p >= tainted_base && p < tainted_top;
 
 static inline uschar * __Ustrcat(uschar * dst, const uschar * src, const char * func, int line)
 {
-#ifndef COMPILE_UTILITY
+#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)
 {
-#ifndef COMPILE_UTILITY
+#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)
 {
-#ifndef COMPILE_UTILITY
+#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)
 {
-#ifndef COMPILE_UTILITY
+#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);