1 /* $OpenBSD: main.c,v 1.2 2005/09/16 23:30:25 kurt Exp $ */ 2 3 /* 4 * Copyright (c) 2005 Kurt Miller <kurt@openbsd.org> 5 * 6 * Permission to use, copy, modify, and distribute this software for any 7 * purpose with or without fee is hereby granted, provided that the above 8 * copyright notice and this permission notice appear in all copies. 9 * 10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17 */ 18 19 #include <dlfcn.h> 20 #include <stdio.h> 21 #include "aa.h" 22 23 /* 24 * Verifies dlsym works as expected when called from the main executable. 25 * libaa and libc are in the main object group, so their symbols are visable. 26 */ 27 int 28 main() 29 { 30 int ret = 0; 31 void *exe_handle = dlopen(NULL, RTLD_LAZY); 32 33 if (dlsym(RTLD_DEFAULT, "aaSymbol") == NULL) { 34 printf("dlsym(RTLD_DEFAULT, \"aaSymbol\") FAILED\n"); 35 ret = 1; 36 } 37 38 if (dlsym(RTLD_SELF, "aaSymbol") == NULL) { 39 printf("dlsym(RTLD_SELF, \"aaSymbol\") FAILED\n"); 40 ret = 1; 41 } 42 43 if (dlsym(RTLD_NEXT, "aaSymbol") == NULL) { 44 printf("dlsym(RTLD_NEXT, \"aaSymbol\") FAILED\n"); 45 ret = 1; 46 } 47 48 if (dlsym(NULL, "aaSymbol") == NULL) { 49 printf("dlsym(RTLD_NEXT, \"aaSymbol\") FAILED\n"); 50 ret = 1; 51 } 52 53 if (dlsym(exe_handle, "aaSymbol") == NULL) { 54 printf("dlsym(exe_handle, \"aaSymbol\") FAILED\n"); 55 ret = 1; 56 } 57 58 dlclose(exe_handle); 59 60 return (ret); 61 } 62