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probably fixed deallocateOutput segfault

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I thought the key returned as outputFlags (decrypter) was pointer to completely new address, but it often tried to deallocate unallocated key
This commit is contained in:
Václav Šmejkal 2022-05-26 19:35:22 +02:00
parent 903bcc63bf
commit e94c273bd9
2 changed files with 8 additions and 4 deletions
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2
include/decrypter.h
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@ -3,6 +3,6 @@
#include <why2/flags.h> #include <why2/flags.h>
outputFlags decryptText(char *text, char *key, inputFlags flags); //TEXT from WILL BE DECRYPTED WITH KEY AND RETURNED outputFlags decryptText(char *text, char *keyNew, inputFlags flags); //TEXT from WILL BE DECRYPTED WITH KEY AND RETURNED
#endif #endif

10
src/lib/decrypter.c
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@ -7,13 +7,13 @@
#include <why2/flags.h> #include <why2/flags.h>
#include <why2/misc.h> #include <why2/misc.h>
outputFlags decryptText(char *text, char *key, inputFlags flags) outputFlags decryptText(char *text, char *keyNew, inputFlags flags)
{ {
//CHECK FOR INVALID key //CHECK FOR INVALID key
checkKey(key, flags); checkKey(keyNew, flags);
//REDEFINE keyLength //REDEFINE keyLength
setKeyLength(strlen(key)); setKeyLength(strlen(keyNew));
//VARIABLES //VARIABLES
char *returningText; char *returningText;
@ -21,6 +21,10 @@ outputFlags decryptText(char *text, char *key, inputFlags flags)
char *textBuffer; char *textBuffer;
int textKeyChainLength; int textKeyChainLength;
int *textKeyChain; int *textKeyChain;
char *key = malloc(strlen(keyNew));
//COPY keyNew TO key
strcpy(key, keyNew);
//GET LENGTH OF returningText AND textKeyChain //GET LENGTH OF returningText AND textKeyChain
for (int i = 0; i < strlen(text); i++) for (int i = 0; i < strlen(text); i++)