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dns.mitm: allow nullptr for port string (closes #1352)

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This commit is contained in:
Michael Scire 2021-02-03 12:41:23 -08:00
parent 26d8db74f8
commit c0e3cee657
1 changed files with 12 additions and 8 deletions
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20
stratosphere/ams_mitm/source/dns_mitm/dnsmitm_resolver_impl.cpp
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@ -111,10 +111,12 @@ namespace ams::mitm::socket::resolver {
R_UNLESS(GetRedirectedHostByName(std::addressof(redirect_addr), hostname), sm::mitm::ResultShouldForwardToSession());
u16 port = 0;
for (const char *cur = reinterpret_cast<const char *>(srv.GetPointer()); *cur != 0; ++cur) {
AMS_ABORT_UNLESS(std::isdigit(static_cast<unsigned char>(*cur)));
port *= 10;
port += *cur - '0';
if (srv.GetPointer() != nullptr) {
for (const char *cur = reinterpret_cast<const char *>(srv.GetPointer()); *cur != 0; ++cur) {
AMS_ABORT_UNLESS(std::isdigit(static_cast<unsigned char>(*cur)));
port *= 10;
port += *cur - '0';
}
}
LogDebug("[%016lx]: Redirecting %s:%u to %u.%u.%u.%u\n", this->client_info.program_id.value, hostname, port, (redirect_addr >> 0) & 0xFF, (redirect_addr >> 8) & 0xFF, (redirect_addr >> 16) & 0xFF, (redirect_addr >> 24) & 0xFF);
@ -162,10 +164,12 @@ namespace ams::mitm::socket::resolver {
R_UNLESS(GetRedirectedHostByName(std::addressof(redirect_addr), hostname), sm::mitm::ResultShouldForwardToSession());
u16 port = 0;
for (const char *cur = reinterpret_cast<const char *>(srv.GetPointer()); *cur != 0; ++cur) {
AMS_ABORT_UNLESS(std::isdigit(static_cast<unsigned char>(*cur)));
port *= 10;
port += *cur - '0';
if (srv.GetPointer() != nullptr) {
for (const char *cur = reinterpret_cast<const char *>(srv.GetPointer()); *cur != 0; ++cur) {
AMS_ABORT_UNLESS(std::isdigit(static_cast<unsigned char>(*cur)));
port *= 10;
port += *cur - '0';
}
}
LogDebug("[%016lx]: Redirecting %s:%u to %u.%u.%u.%u\n", this->client_info.program_id.value, hostname, port, (redirect_addr >> 0) & 0xFF, (redirect_addr >> 8) & 0xFF, (redirect_addr >> 16) & 0xFF, (redirect_addr >> 24) & 0xFF);