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Started utils test. cChanged IP format

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This commit is contained in:
Santiago Alessandri
2011-09-22 22:53:09 -03:00
parent 88172a9f07
commit 9e98e2e454
10 changed files with 306 additions and 127 deletions
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25
src/utils.cpp
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@@ -103,10 +103,10 @@ void skip_line(istream &input) {
/** \endcond */
uint32_t Tins::Utils::ip_to_int(const string &ip) {
uint32_t Tins::Utils::ip_to_int(const string &ip) throw (std::runtime_error) {
uint32_t result(0), i(0), end, bytes_found(0);
while(i < ip.size() && bytes_found < 4) {
uint8_t this_byte(0);
uint16_t this_byte(0);
end = i + 3;
while(i < ip.size() && i < end && ip[i] != '.') {
if(ip[i] < '0' || ip[i] > '9')
@@ -114,20 +114,22 @@ uint32_t Tins::Utils::ip_to_int(const string &ip) {
this_byte = (this_byte * 10) + (ip[i] - '0');
i++;
}
result = (result << 8) | this_byte;
if (this_byte > 0xFF) {
throw std::runtime_error("Byte greater than 255");
}
result = (result << 8) | (this_byte & 0xFF);
bytes_found++;
if(bytes_found < 4 && i < ip.size() && ip[i] == '.')
i++;
}
if(bytes_found < 4 || (i < ip.size() && bytes_found == 4))
throw std::runtime_error("Invalid ip address");
return net_to_host_l(result);
return result;
}
string Tins::Utils::ip_to_string(uint32_t ip) {
ostringstream oss;
int mask(24);
ip = net_to_host_l(ip);
while(mask >=0) {
oss << ((ip >> mask) & 0xff);
if(mask)
@@ -178,11 +180,11 @@ string Tins::Utils::hwaddr_to_string(const uint8_t *array) {
return oss.str();
}
uint32_t Tins::Utils::resolve_ip(const string &to_resolve) {
uint32_t Tins::Utils::resolve_ip(const string &to_resolve) throw (std::runtime_error) {
struct hostent *data = gethostbyname(to_resolve.c_str());
if(!data)
return 0;
return ((struct in_addr**)data->h_addr_list)[0]->s_addr;
throw std::runtime_error("Could not resolve IP");
return Utils::net_to_host_l(((struct in_addr**)data->h_addr_list)[0]->s_addr);
}
bool Tins::Utils::resolve_hwaddr(const string &iface, uint32_t ip, uint8_t *buffer, PacketSender *sender) {
@@ -210,6 +212,7 @@ string Tins::Utils::interface_from_ip(uint32_t ip) {
string iface;
string destination, mask;
uint32_t destination_int, mask_int;
ip = Utils::net_to_host_l(ip);
skip_line(input);
while(!match) {
input >> iface >> destination;
@@ -233,7 +236,7 @@ set<string> Tins::Utils::network_interfaces() {
bool Tins::Utils::interface_ip(const string &iface, uint32_t &ip) {
IPv4Collector collector(iface.c_str());
generic_iface_loop(collector);
ip = collector.ip;
ip = Utils::net_to_host_l(collector.ip);
return collector.found;
}
@@ -252,7 +255,7 @@ uint16_t Tins::Utils::channel_to_mhz(uint16_t channel) {
return 2407 + (channel * 5);
}
uint32_t Tins::Utils::do_checksum(uint8_t *start, uint8_t *end) {
uint32_t Tins::Utils::do_checksum(const uint8_t *start, const uint8_t *end) {
uint32_t checksum(0);
uint16_t *ptr = (uint16_t*)start, *last = (uint16_t*)end, padding(0);
if(((end - start) & 1) == 1) {
@@ -277,7 +280,7 @@ uint32_t Tins::Utils::pseudoheader_checksum(uint32_t source_ip, uint32_t dest_ip
return checksum;
}
uint32_t Tins::Utils::crc32(uint8_t* data, uint32_t data_size) {
uint32_t Tins::Utils::crc32(const uint8_t* data, uint32_t data_size) {
uint32_t i, crc = 0;
static uint32_t crc_table[] = {
0x4DBDF21C, 0x500AE278, 0x76D3D2D4, 0x6B64C2B0,