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Bug #7471 fsockopen() fails to open a connection using a hostname
Submitted: 2000-10-25 22:42 UTC Modified: 2000-10-28 21:59 UTC
From: tom at minnesota dot com Assigned:
Status: Closed Package: Sockets related
PHP Version: 4.0.3pl1 OS: NetBSD/Alpha 1.5_BETA
Private report: No CVE-ID: None
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From: tom at minnesota dot com
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 [2000-10-25 22:42 UTC] tom at minnesota dot com
Demonstration that fsockopen() DOESN'T works using FQDN.
First I'll verify that my DNS works. This should eliminate
the blame on DNS:

# ping -c 5 www.php.net
PING www.php.net (208.247.106.187): 48 data bytes
64 bytes from 208.247.106.187: icmp_seq=0 ttl=244 time=78.557 ms
64 bytes from 208.247.106.187: icmp_seq=1 ttl=244 time=69.776 ms
64 bytes from 208.247.106.187: icmp_seq=2 ttl=244 time=71.729 ms
64 bytes from 208.247.106.187: icmp_seq=3 ttl=244 time=67.823 ms
64 bytes from 208.247.106.187: icmp_seq=4 ttl=244 time=68.800 ms

----www.php.net PING Statistics----
5 packets transmitted, 5 packets received, 0.0% packet loss
round-trip min/avg/max/stddev = 67.823/71.337/78.557/4.287 ms

---cut---
<?php
$fp = fsockopen ("www.php.net", 80, &$errno, &$errstr, 30);
if (!$fp) {
    echo "Unable to open a socket using fsockopen<br>\n";
    echo "$errstr ($errno)<br>\n";
} else {
    fputs ($fp, "GET / HTTP/1.0\r\n\r\n");
    while (!feof($fp)) {
        echo fgets ($fp,128);
    }
    fclose ($fp);
}
?>
---cut---

Demonstration that fopen() works using FQDN.

---cut---
<?php
$fp = fopen ("http://www.php.net/", "r");

if (!$fp) {
    echo "Unable to open a socket using fopen()<br>\n";
    echo "$errstr ($errno)<br>\n";
} else {
    while (!feof($fp)) {
        echo fgets ($fp,128);
    }
    fclose ($fp);
}
?>
---cut---

Demonstration that fsockopen() does works using IP address.

---cut---
<?php
$fp = fsockopen ("208.247.106.187", 80, &$errno, &$errstr, 30);
if (!$fp) {
    echo "Unable to open a socket using fsockopen<br>\n";
    echo "$errstr ($errno)<br>\n";
} else {
    fputs ($fp, "GET / HTTP/1.0\r\n\r\n");
    while (!feof($fp)) {
        echo fgets ($fp,128);
    }
    fclose ($fp);
}
?>
---cut---

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 [2000-10-28 20:42 UTC] tom at minnesota dot com
that was on NetBSD/Alpha 1.5_BETA. Perhaps these lines from config.log may help:

/usr/include/sys/socket.h:186: syntax error before `u_char'
/usr/include/sys/socket.h:214: syntax error before `u_char'
/usr/include/sys/socket.h:216: `int64_t' undeclared here (not in a function)
/usr/include/sys/socket.h:216: `u_char' undeclared here (not in a function)
/usr/include/sys/socket.h:216: size of array `__ss_pad1' is negative
/usr/include/sys/socket.h:217: syntax error before `int64_t'
/usr/include/sys/socket.h:218: `u_char' undeclared here (not in a function)
/usr/include/sys/socket.h:218: `int64_t' undeclared here (not in a function)
/usr/include/sys/socket.h:218: `u_char' undeclared here (not in a function)
/usr/include/sys/socket.h:218: `int64_t' undeclared here (not in a function)
/usr/include/sys/socket.h:273: syntax error before `uid_t'
/usr/include/sys/socket.h:278: syntax error before `gid_t'
/usr/include/sys/socket.h:452: syntax error before `u_short'
/usr/include/sys/socket.h:460: syntax error before `caddr_t'
/usr/include/sys/socket.h:464: syntax error before `caddr_t'
/usr/include/sys/socket.h:485: syntax error before `recv'
/usr/include/sys/socket.h:485: syntax error before `size_t'
/usr/include/sys/socket.h:485: warning: data definition has no type or storage class
/usr/include/sys/socket.h:486: syntax error before `recvfrom'
/usr/include/sys/socket.h:486: syntax error before `size_t'
/usr/include/sys/socket.h:487: warning: data definition has no type or storage class
/usr/include/sys/socket.h:488: syntax error before `recvmsg'
/usr/include/sys/socket.h:488: warning: data definition has no type or storage class
/usr/include/sys/socket.h:489: syntax error before `send'
/usr/include/sys/socket.h:489: syntax error before `size_t'
/usr/include/sys/socket.h:489: warning: data definition has no type or storage class
/usr/include/sys/socket.h:490: syntax error before `sendto'
/usr/include/sys/socket.h:491: syntax error before `size_t'
/usr/include/sys/socket.h:491: warning: data definition has no type or storage class
/usr/include/sys/socket.h:492: syntax error before `sendmsg'
/usr/include/sys/socket.h:492: warning: data definition has no type or storage class
In file included from configure:6052:
/usr/include/netinet/in.h:124: syntax error before `u_int32_t'
/usr/include/netinet/in.h:196: syntax error before `u_int8_t'
/usr/include/netinet/in.h:200: syntax error before `int8_t'
/usr/include/netinet/in.h:214: syntax error before `int8_t'
In file included from /usr/include/netinet/in.h:376,
                 from configure:6052:
/usr/include/netinet6/in6.h:120: syntax error before `u_int8_t'
/usr/include/netinet6/in6.h:142: syntax error before `u_int8_t'
/usr/include/netinet6/in6.h:147: syntax error before `u_int32_t'
/usr/include/netinet6/in6.h:594: syntax error before `*'
/usr/include/netinet6/in6.h:596: syntax error before `*'
/usr/include/netinet6/in6.h:596: warning: data definition has no type or storage class
/usr/include/netinet6/in6.h:597: syntax error before `u_int8_t'
/usr/include/netinet6/in6.h:598: syntax error before `u_int8_t'
/usr/include/netinet6/in6.h:600: syntax error before `inet6_rthdr_space'
/usr/include/netinet6/in6.h:600: warning: data definition has no type or storage class
configure: failed program was:
#line 6050 "configure"
#include "confdefs.h"
#include <sys/socket.h>
#include <netinet/in.h>
int main() {
struct sockaddr_in6 s; s;
; return 0; }
 [2000-10-28 21:59 UTC] tom at minnesota dot com
I just recompiled it with explicit environment variable LIBS=-lc set, apachectl stop, apachectl start and everything is working again.
 
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