Emeric Vigier | 2f62582 | 2012-08-06 11:09:52 -0400 | [diff] [blame] | 1 | #include <cc++/common.h> |
| 2 | |
| 3 | // This was a test base64 stuff |
| 4 | |
| 5 | #ifdef CCXX_NAMESPACES |
| 6 | using namespace std; |
| 7 | using namespace ost; |
| 8 | #endif |
| 9 | |
| 10 | #define BUFLEN 512 |
| 11 | char buf1[BUFLEN]; |
| 12 | char buf2[BUFLEN]; |
| 13 | |
| 14 | bool errorOccurred = false; |
| 15 | char status[256] = ""; |
| 16 | |
| 17 | void printBug(const char*msg) |
| 18 | { |
| 19 | errorOccurred = true; |
| 20 | printf("status = %s\n%s!\n",status,msg); |
| 21 | } |
| 22 | |
| 23 | const char fillChar='&'; |
| 24 | |
| 25 | void initBuf(char* buf) |
| 26 | { |
| 27 | memset(buf,fillChar,BUFLEN); |
| 28 | } |
| 29 | |
| 30 | void checkBuf(char* buf,int prev,int size) |
| 31 | { |
| 32 | int i; |
| 33 | for(i=0;i<prev;++i) |
| 34 | if (buf[i] != fillChar) { |
| 35 | printBug("buffer overflow founded"); |
| 36 | return; |
| 37 | } |
| 38 | for(i=prev+size;i<BUFLEN;++i) |
| 39 | if (buf[i] != fillChar) { |
| 40 | printBug("buffer overflow founded"); |
| 41 | return; |
| 42 | } |
| 43 | } |
| 44 | |
| 45 | // check with binary functions |
| 46 | void check1(unsigned char* s,size_t len,size_t buflen1,size_t buflen2,bool checkEqual=false) |
| 47 | { |
| 48 | initBuf(buf1); |
| 49 | b64Encode(s,len,buf1+16,buflen1); |
| 50 | checkBuf(buf1,16,buflen1); |
| 51 | initBuf(buf2); |
| 52 | b64Decode(buf1+16,(unsigned char*)buf2+16,buflen2); |
| 53 | checkBuf(buf2,16,buflen2); |
| 54 | if (checkEqual && memcmp(s,buf2+16,len) != 0) |
| 55 | printBug ("buffer different"); |
| 56 | } |
| 57 | |
| 58 | // check with old string |
| 59 | void check2(const char* s,size_t buflen,bool checkEqual=false) |
| 60 | { |
| 61 | if (!buflen) return; |
| 62 | initBuf(buf1); |
| 63 | b64Encode(s,buf1+16,buflen); |
| 64 | checkBuf(buf1,16,buflen); |
| 65 | initBuf(buf2); |
| 66 | size_t buflen2 = strlen(buf1+16)+1; |
| 67 | b64Decode(buf1+16,buf2+16); |
| 68 | checkBuf(buf2,16,buflen2); |
| 69 | if (checkEqual && strcmp(s,buf2+16) != 0) { |
| 70 | printBug ("buffer different"); |
| 71 | printf("'%s' != '%s'\n'%s'\n",s,buf2+16,buf1+16); |
| 72 | } |
| 73 | } |
| 74 | |
| 75 | // check buffer overflow on string |
| 76 | void checkStringOverflow(char* s,unsigned int len) |
| 77 | { |
| 78 | bool execCheck2 = (strlen(s) == len); |
| 79 | for(unsigned int l1=0;l1<32;++l1) { |
| 80 | sprintf(status,"%s %d",s,l1); |
| 81 | if (execCheck2) |
| 82 | check2(s,l1,l1 >= (len+2)/3*4+1); |
| 83 | for(unsigned int l2=0;l2<32;++l2) |
| 84 | check1((unsigned char*)s,len,l1,l2, |
| 85 | (l1 >= (len+2)/3*4+1) |
| 86 | && (l2 >= len) ); |
| 87 | } |
| 88 | } |
| 89 | |
| 90 | int main() |
| 91 | { |
| 92 | checkStringOverflow((char *)"",0); |
| 93 | checkStringOverflow((char *)"aaa",3); |
| 94 | if (!errorOccurred) |
| 95 | printf("All seem ok\n"); |
| 96 | return 0; |
| 97 | } |
| 98 | |
| 99 | |