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Reserve a few more bytes for base64 operations to prevent heap corruption

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Mike Gelfand
2015-12-13 01:29:39 +00:00
parent bfc336614e
commit 073b05bb85
1 changed files with 2 additions and 2 deletions
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4
libtransmission/crypto-utils.c
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@@ -208,7 +208,7 @@ tr_base64_encode (const void * input,
ret_length += ret_length / 72 + 1; ret_length += ret_length / 72 + 1;
#endif #endif
ret = tr_new (char, ret_length + 1); ret = tr_new (char, ret_length + 8);
base64_init_encodestate (&state); base64_init_encodestate (&state);
ret_length = base64_encode_block (input, input_length, ret, &state); ret_length = base64_encode_block (input, input_length, ret, &state);
@@ -256,7 +256,7 @@ tr_base64_decode (const void * input,
size_t ret_length = input_length / 4 * 3; size_t ret_length = input_length / 4 * 3;
base64_decodestate state; base64_decodestate state;
ret = tr_new (char, ret_length + 1); ret = tr_new (char, ret_length + 8);
base64_init_decodestate (&state); base64_init_decodestate (&state);
ret_length = base64_decode_block (input, input_length, ret, &state); ret_length = base64_decode_block (input, input_length, ret, &state);