1 /* Placed in the public domain. */ 2 3 /* 4 * _FORTIFY_SOURCE includes a misguided check for FD_SET(n)/FD_ISSET(b) 5 * where n > FD_SETSIZE. This breaks OpenSSH and other programs that 6 * explicitly allocate fd_sets. To avoid this, we wrap FD_SET in a 7 * function compiled without _FORTIFY_SOURCE. 8 */ 9 10 #include "config.h" 11 12 #if defined(HAVE_FEATURES_H) && defined(_FORTIFY_SOURCE) 13 # include <features.h> 14 # if defined(__GNU_LIBRARY__) && defined(__GLIBC_PREREQ) 15 # if __GLIBC_PREREQ(2, 15) && (_FORTIFY_SOURCE > 0) 16 # undef _FORTIFY_SOURCE 17 # undef __USE_FORTIFY_LEVEL 18 # include <sys/socket.h> 19 void kludge_FD_SET(int n, fd_set *set) { 20 FD_SET(n, set); 21 } 22 int kludge_FD_ISSET(int n, fd_set *set) { 23 return FD_ISSET(n, set); 24 } 25 # endif /* __GLIBC_PREREQ(2, 15) && (_FORTIFY_SOURCE > 0) */ 26 # endif /* __GNU_LIBRARY__ && __GLIBC_PREREQ */ 27 #endif /* HAVE_FEATURES_H && _FORTIFY_SOURCE */ 28 29
