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Bug #9401 Unable to set remote SNMP port
Submitted: 2001-02-22 08:39 UTC Modified: 2001-07-13 01:04 UTC
From: nbougues at axialys dot net Assigned:
Status: Closed Package: SNMP related
PHP Version: 4.0.2 OS: Linux
Private report: No CVE-ID: None
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From: nbougues at axialys dot net
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 [2001-02-22 08:39 UTC] nbougues at axialys dot net 
According to the source in snmp.c, it looks like it's impossible to use an snmp* function on a non standard remote port (other that 161).

For that, the session structure passed to snmp_open needs to have its remote_port field filled.

Maybe it could be possible to add a new argument to the snmp functions, or handle something like "hostname:port" in the hostname field ?

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 [2001-02-22 11:06 UTC] nbougues at axialys dot net 
Here is a small patch that will enable "host:port" in snmp connections :

*** snmp.c.old  Thu Sep 14 22:22:02 2000
--- snmp.c      Thu Feb 22 17:02:06 2001
***************
*** 148,153 ****
--- 148,156 ----
        int myargc = ZEND_NUM_ARGS();
      char type = (char) 0;
      char *value = (char *) 0;
+       char hostname[MAX_NAME_LEN];
+       int remote_port = 161;
+       char *pptr;
        
        if (myargc < 3 || myargc > 7 ||
                zend_get_parameters_ex(myargc, &a1, &a2, &a3, &a4, &a5, &a6, &a7) == FAILURE) {
***************
*** 210,216 ****
        
        memset(&session, 0, sizeof(struct snmp_session));
  
!       session.peername = (*a1)->value.str.val;
        session.version = SNMP_VERSION_1;
        /*
        * FIXME: potential memory leak
--- 213,226 ----
        
        memset(&session, 0, sizeof(struct snmp_session));
  
!       strcpy (hostname, (*a1)->value.str.val);
!       if ((pptr = strchr (hostname, ':'))) {
!               remote_port = strtol (pptr + 1, NULL, 0);
!               *pptr = 0;
!       }
! 
!       session.peername = hostname;
!       session.remote_port = remote_port;
        session.version = SNMP_VERSION_1;
        /*
        * FIXME: potential memory leak
 [2001-07-13 01:04 UTC] rasmus@php.net 
Looks ok, implemented.
 
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