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Allow huge content-lengths

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This commit is contained in:
Alex Hultman
2023-12-26 09:44:07 +01:00
parent e0394289b6
commit 05fe5bc249
1 changed files with 5 additions and 5 deletions
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src/HttpParser.h
+5 -5
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@@ -183,19 +183,19 @@ private:
uint64_t remainingStreamingBytes = 0; uint64_t remainingStreamingBytes = 0;
/* Returns UINT_MAX on error. Maximum 999999999 is allowed. */ /* Returns UINT_MAX on error. Maximum 999999999 is allowed. */
static unsigned int toUnsignedInteger(std::string_view str) { static uint64_t toUnsignedInteger(std::string_view str) {
/* We assume at least 32-bit integer giving us safely 999999999 (9 number of 9s) */ /* We assume at least 64-bit integer giving us safely 999999999999999999 (18 number of 9s) */
if (str.length() > 9) { if (str.length() > 18) {
return UINT_MAX; return UINT_MAX;
} }
unsigned int unsignedIntegerValue = 0; uint64_t unsignedIntegerValue = 0;
for (char c : str) { for (char c : str) {
/* As long as the letter is 0-9 we cannot overflow. */ /* As long as the letter is 0-9 we cannot overflow. */
if (c < '0' || c > '9') { if (c < '0' || c > '9') {
return UINT_MAX; return UINT_MAX;
} }
unsignedIntegerValue = unsignedIntegerValue * 10u + ((unsigned int) c - (unsigned int) '0'); unsignedIntegerValue = unsignedIntegerValue * 10ull + ((unsigned int) c - (unsigned int) '0');
} }
return unsignedIntegerValue; return unsignedIntegerValue;
} }