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/*
20140302
Jan Mojzis
Public domain.
*/
#include <unistd.h>
#include <fcntl.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <string.h>
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include "fail.h"
#include "porttostr.h"
#include "iptostr.h"
#include "connectioninfo.h"
#include "byte.h"
static void connectioninfotest_empty(void) {
char localip[IPTOSTR_LEN];
char localport[PORTTOSTR_LEN];
char remoteip[IPTOSTR_LEN];
char remoteport[PORTTOSTR_LEN];
connectioninfo(localip, localport, remoteip, remoteport);
if (strcmp(localip, "unknown")) fail("connectioninfo failed");
if (strcmp(localport, "0")) fail("connectioninfo failed");
if (strcmp(remoteip, "unknown")) fail("connectioninfo failed");
if (strcmp(remoteport, "0")) fail("connectioninfo failed");
}
static void connectioninfotest_tcpserverenv(void) {
char localip[IPTOSTR_LEN];
char localport[PORTTOSTR_LEN];
char remoteip[IPTOSTR_LEN];
char remoteport[PORTTOSTR_LEN];
if (setenv("TCPLOCALIP", "aaax", 1) == -1) fail("setenv failed")
if (setenv("TCPLOCALPORT", "bbbx", 1) == -1) fail("setenv failed")
if (setenv("TCPREMOTEIP", "cccx", 1) == -1) fail("setenv failed")
if (setenv("TCPREMOTEPORT", "dddx", 1) == -1) fail("setenv failed")
connectioninfo(localip, localport, remoteip, remoteport);
if (strcmp(localip, "aaax")) fail("connectioninfo failed");
if (strcmp(localport, "bbbx")) fail("connectioninfo failed");
if (strcmp(remoteip, "cccx")) fail("connectioninfo failed");
if (strcmp(remoteport, "dddx")) fail("connectioninfo failed");
if (unsetenv("TCPLOCALIP") == -1) fail("unsetenv failed")
if (unsetenv("TCPLOCALPORT") == -1) fail("unsetenv failed")
if (unsetenv("TCPREMOTEIP") == -1) fail("unsetenv failed")
if (unsetenv("TCPREMOTEPORT") == -1) fail("unsetenv failed")
}
static void connectioninfotest_curvecpserverenv(void) {
#ifdef TODO
char localip[IPTOSTR_LEN];
char localport[PORTTOSTR_LEN];
char remoteip[IPTOSTR_LEN];
char remoteport[PORTTOSTR_LEN];
if (setenv("CURVECPLOCALIP", "aaay", 1) == -1) fail("setenv failed")
if (setenv("CURVECPLOCALPORT", "bbby", 1) == -1) fail("setenv failed")
if (setenv("CURVECPREMOTEIP", "cccy", 1) == -1) fail("setenv failed")
if (setenv("CURVECPREMOTEPORT", "dddy", 1) == -1) fail("setenv failed")
connectioninfo(localip, localport, remoteip, remoteport);
if (strcmp(localip, "aaay")) fail("connectioninfo failed");
if (strcmp(localport, "bbby")) fail("connectioninfo failed");
if (strcmp(remoteip, "cccy")) fail("connectioninfo failed");
if (strcmp(remoteport, "dddy")) fail("connectioninfo failed");
if (unsetenv("CURVECPLOCALIP") == -1) fail("unsetenv failed")
if (unsetenv("CURVECPLOCALPORT") == -1) fail("unsetenv failed")
if (unsetenv("CURVECPREMOTEIP") == -1) fail("unsetenv failed")
if (unsetenv("CURVECPREMOTEPORT") == -1) fail("unsetenv failed")
#endif
}
static struct vectors {
const char *port;
const char *portstr;
} testvectors[] = {
{ "\377\000", "65280" },
{ "\377\001", "65281" },
{ "\377\002", "65282" },
{ "\377\003", "65283" },
{ "\377\004", "65284" },
{ "\377\005", "65285" },
{ "\377\006", "65286" },
{ "\377\007", "65287" },
{ "\377\010", "65288" },
{ "\377\011", "65289" },
{ "\377\012", "65290" },
{ "\377\013", "65291" },
{ "\377\014", "65292" },
{ "\377\015", "65293" },
{ "\377\016", "65294" },
{ "\377\017", "65295" },
{ "\377\020", "65296" },
{ "\377\021", "65297" },
{ "\377\022", "65298" },
{ "\377\023", "65299" },
{ 0, 0 }
};
static void connectioninfotest_fromfd(void) {
int fd;
struct sockaddr_in sa;
long long i, j;
char localip[IPTOSTR_LEN];
char localport[PORTTOSTR_LEN];
char remoteip[IPTOSTR_LEN];
char remoteport[PORTTOSTR_LEN];
/* create socket */
fd = socket(PF_INET, SOCK_DGRAM, 0);
if (fd == -1) fail("socket failed");
/* bind */
for (i = 0; testvectors[i].port; ++i) {
byte_zero(&sa, sizeof sa);
sa.sin_family = PF_INET;
byte_copy(&sa.sin_addr, 4, "\177\0\0\1");
byte_copy(&sa.sin_port, 2, testvectors[i].port);
if (bind(fd, (struct sockaddr *)&sa, sizeof sa) == 0) goto bind;
}
fail("bind failed");
bind:
/* connect */
for (j = i; testvectors[j].port; ++j) {
byte_zero(&sa, sizeof sa);
sa.sin_family = PF_INET;
byte_copy(&sa.sin_addr, 4, "\177\0\0\1");
byte_copy(&sa.sin_port, 2, testvectors[i].port);
if (connect(fd, (struct sockaddr *)&sa, sizeof sa) == 0) goto connect;
}
fail("connect failed");
connect:
close(0);
if (dup(fd) != 0) fail("dup failed");
close(fd);
connectioninfo(localip, localport, remoteip, remoteport);
if (strcmp(localip, "127.0.0.1")) fail("connectioninfo failed");
if (strcmp(localport, testvectors[i].portstr)) fail("connectioninfo failed");
if (strcmp(remoteip, "127.0.0.1")) fail("connectioninfo failed");
if (strcmp(remoteport, testvectors[j].portstr)) fail("connectioninfo failed");
close(0);
}
int main(void) {
connectioninfotest_empty();
connectioninfotest_tcpserverenv();
connectioninfotest_empty();
connectioninfotest_curvecpserverenv();
connectioninfotest_empty();
connectioninfotest_fromfd();
connectioninfotest_empty();
_exit(0);
}
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