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Bug #32374 Compilation fails with net-snmp 5.2.1
Submitted: 2005-03-19 18:54 UTC Modified: 2005-03-20 01:12 UTC
From: phdokc at cox dot net Assigned:
Status: Not a bug Package: SNMP related
PHP Version: 4.3.10 OS: HP-UX 11.11
Private report: No CVE-ID: None
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From: phdokc at cox dot net
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 [2005-03-19 18:54 UTC] phdokc at cox dot net
Description:
------------
After Net-SNMP team supplied patch to net-snmp 5.2 to correct a coredump under certain situations, php 4.3.8 would no longer compile.  4.3.9 had exact problem as 4.3.8.  4.3.10 had an error similar to bug #31121 (way too much error detail to attach but I have it if you want it).  Following #31121 I downloaded CVS snapshot for 200503181930 and 200503191330 and both had a ld error while ld sapi/cli/php.  DSO appeared to ld correctly.  Details of all in Actual Results Section of this bug report (including net-snmp patch - dif.proto).  

ENV is HP-UX 11.11i, GMAKE 3.80, GCC 3.3.3, Apache 2.0.53, MySQL 3.23.58, Net-SNMP 5.2(patched).  Any other questions, please email.  Thanks.

Expected result:
----------------
Successful compile.

Actual result:
--------------
Failure on 4.3.8 and 4.3.9 compile after applying net-snmp 5.2 patch

/bin/sh /backup1/php/php-4.3.8/libtool --silent --preserve-dup-deps --mode=compile /backup1/php/php-4.3.8/meta_ccld  -Iext/snmp/ -I/backup1/php/php-4.3.8/ext/snmp/ -DPHP_ATOM_INC -I/backup1/php/php-4.3.8/include -I/backup1/php/php-4.3.8/main -I/backup1/php/php-4.3.8 -I/backup1/php/php-4.3.8/Zend -I/usr/local/include -I/backup1/php/php-4.3.8/ext/xml/expat  -D_REENTRANT -I/backup1/php/php-4.3.8/TSRM -DTHREAD=1  -g -O2 -pthread -DZTS  -prefer-pic -c /backup1/php/php-4.3.8/ext/snmp/snmp.c -o ext/snmp/snmp.lo
/backup1/php/php-4.3.8/ext/snmp/snmp.c: In function `php_snmp_internal':
/backup1/php/php-4.3.8/ext/snmp/snmp.c:349: warning: passing arg 3 of `snmp_parse_oid' from incompatible pointer type
/backup1/php/php-4.3.8/ext/snmp/snmp.c:389: warning: passing arg 3 of `snmp_parse_oid' from incompatible pointer type
/backup1/php/php-4.3.8/ext/snmp/snmp.c: In function `netsnmp_session_set_sec_protocol':
/backup1/php/php-4.3.8/ext/snmp/snmp.c:777: error: `usmAES192PrivProtocol' undeclared (first use in this function)
/backup1/php/php-4.3.8/ext/snmp/snmp.c:777: error: (Each undeclared identifier is reported only once
/backup1/php/php-4.3.8/ext/snmp/snmp.c:777: error: for each function it appears in.)
/backup1/php/php-4.3.8/ext/snmp/snmp.c:781: error: `usmAES256PrivProtocol' undeclared (first use in this function)
/backup1/php/php-4.3.8/ext/snmp/snmp.c: In function `netsnmp_session_gen_auth_key':
/backup1/php/php-4.3.8/ext/snmp/snmp.c:804: warning: initialization discards qualifiers from pointer target type
/backup1/php/php-4.3.8/ext/snmp/snmp.c: In function `netsnmp_session_gen_sec_key':
/backup1/php/php-4.3.8/ext/snmp/snmp.c:833: warning: initialization discards qualifiers from pointer target type
gmake: *** [ext/snmp/snmp.lo] Error 1


Failure on 4.3.9 compile after applying net-snmp 5.2 patch

/bin/sh /backup1/php/php-4.3.9/libtool --silent --preserve-dup-deps --mode=compile gcc  -Iext/snmp/ -I/backup1/php/php-4.3.9/ext/snmp/ -DPHP_ATOM_INC -I/backup1/php/php-4.3.9/include -I/backup1/php/php-4.3.9/main -I/backup1/php/php-4.3.9 -I/backup1/php/php-4.3.9/Zend -I/usr/local/include -I/backup1/php/php-4.3.9/ext/xml/expat  -I/backup1/php/php-4.3.9/TSRM  -g -O2  -prefer-pic -c /backup1/php/php-4.3.9/ext/snmp/snmp.c -o ext/snmp/snmp.lo 
/backup1/php/php-4.3.9/ext/snmp/snmp.c: In function `php_snmp_internal':
/backup1/php/php-4.3.9/ext/snmp/snmp.c:349: warning: passing arg 3 of `snmp_parse_oid' from incompatible pointer type
/backup1/php/php-4.3.9/ext/snmp/snmp.c:389: warning: passing arg 3 of `snmp_parse_oid' from incompatible pointer type
/backup1/php/php-4.3.9/ext/snmp/snmp.c: In function `netsnmp_session_set_sec_protocol':
/backup1/php/php-4.3.9/ext/snmp/snmp.c:777: error: `usmAES192PrivProtocol' undeclared (first use in this function)
/backup1/php/php-4.3.9/ext/snmp/snmp.c:777: error: (Each undeclared identifier is reported only once
/backup1/php/php-4.3.9/ext/snmp/snmp.c:777: error: for each function it appears in.)
/backup1/php/php-4.3.9/ext/snmp/snmp.c:781: error: `usmAES256PrivProtocol' undeclared (first use in this function)
/backup1/php/php-4.3.9/ext/snmp/snmp.c: In function `netsnmp_session_gen_auth_key':
/backup1/php/php-4.3.9/ext/snmp/snmp.c:804: warning: initialization discards qualifiers from pointer target type
/backup1/php/php-4.3.9/ext/snmp/snmp.c: In function `netsnmp_session_gen_sec_key':
/backup1/php/php-4.3.9/ext/snmp/snmp.c:833: warning: initialization discards qualifiers from pointer target type
gmake: *** [ext/snmp/snmp.lo] Error 1


Last line of failure on 4.3.10 compile after applying net-snmp 5.2 patch


/backup/php/php-4.3.10/Zend/zend_strtod.c:1571: error: dereferencing pointer to incomplete type
gmake: *** [Zend/zend_strtod.lo] Error 1



Failure on CVS Snapshot's php4-STABLE-200503191330 and php4-STABLE-200503181930 (exact same error).

/usr/ccs/bin/ld: Unsatisfied symbols:
   ntohs (code)
collect2: ld returned 1 exit status
gmake: *** [sapi/cli/php] Error 1



net-snmp 5.2 patch dif.proto

Index: include/net-snmp/library/snmp_api.h
===================================================================
RCS file: /cvsroot/net-snmp/net-snmp/include/net-snmp/library/snmp_api.h,v
retrieving revision 5.11
diff -u -r5.11 snmp_api.h
--- include/net-snmp/library/snmp_api.h 8 Jul 2004 15:36:01 -0000       5.11
+++ include/net-snmp/library/snmp_api.h 14 Mar 2005 23:09:25 -0000
@@ -484,8 +484,9 @@
 #define SNMPERR_VAR_TYPE               (-61)
 #define SNMPERR_MALLOC                 (-62)
 #define SNMPERR_KRB5                   (-63)
+#define SNMPERR_PROTOCOL               (-64)

-#define SNMPERR_MAX                    (-63)
+#define SNMPERR_MAX                    (-64)

 #define non_repeaters  errstat
 #define max_repetitions errindex
Index: snmplib/snmp_api.c
===================================================================
RCS file: /cvsroot/net-snmp/net-snmp/snmplib/snmp_api.c,v
retrieving revision 5.68
diff -u -r5.68 snmp_api.c
--- snmplib/snmp_api.c  15 Oct 2004 18:52:29 -0000      5.68
+++ snmplib/snmp_api.c  14 Mar 2005 23:09:28 -0000
@@ -295,6 +295,7 @@
     "Bad variable type",        /* SNMPERR_VAR_TYPE */
     "Out of memory (malloc failure)",   /* SNMPERR_MALLOC */
     "Kerberos related error",   /* SNMPERR_KRB5 */
+    "Protocol error",          /* SNMPERR_PROTOCOL */
 };

 static const char *secLevelName[] = {
@@ -496,19 +497,21 @@
 snmp_api_errstring(int snmp_errnumber)
 {
     const char     *msg = "";
-    static char     msg_buf[256];
+    static char     msg_buf[SPRINT_MAX_LEN];
     if (snmp_errnumber >= SNMPERR_MAX && snmp_errnumber <= SNMPERR_GENERR) {
         msg = api_errors[-snmp_errnumber];
     } else if (snmp_errnumber != SNMPERR_SUCCESS) {
-        msg = "Unknown Error";
+        msg = NULL;
     }
-    if (snmp_detail_f) {
-        snprintf(msg_buf, 256, "%s (%s)", msg, snmp_detail);
+    if (!msg)
+       snprintf(msg_buf, sizeof(msg_buf), "Unknown error: %d", snmp_errnumber);
+    else if (snmp_detail_f) {
+        snprintf(msg_buf, sizeof(msg_buf), "%s (%s)", msg, snmp_detail);
         snmp_detail_f = 0;
     } else {
-        strncpy(msg_buf, msg, 256);
+        strncpy(msg_buf, msg, sizeof(msg_buf));
     }
-    msg_buf[255] = '\0';
+    msg_buf[sizeof(msg_buf)-1] = '\0';

     return (msg_buf);
 }
@@ -535,12 +538,16 @@
     strcpy(buf, "");
     snmp_errnumber = psess->s_snmp_errno;
     if (snmp_errnumber >= SNMPERR_MAX && snmp_errnumber <= SNMPERR_GENERR) {
-        strncpy(buf, api_errors[-snmp_errnumber], 256);
+       if (snmp_detail_f)
+            snprintf(buf, sizeof(buf), "%s (%s)", api_errors[-snmp_errnumber],
+                   snmp_detail);
+       else
+           strncpy(buf, api_errors[-snmp_errnumber], sizeof(buf));
     } else {
         if (snmp_errnumber)
-            snprintf(buf, 256, "Unknown Error %d", snmp_errnumber);
+            snprintf(buf, sizeof(buf), "Unknown Error %d", snmp_errnumber);
     }
-    buf[255] = '\0';
+    buf[sizeof(buf)-1] = '\0';

     /*
      * append a useful system errno interpretation.
@@ -549,10 +556,10 @@
         const char* error = strerror(psess->s_errno);
         if(error == NULL)
             error = "Unknown Error";
-        snprintf (&buf[strlen(buf)], 256-strlen(buf),
+        snprintf (&buf[strlen(buf)], sizeof(buf)-strlen(buf),
                  " (%s)", error);
     }
-    buf[255] = '\0';
+    buf[sizeof(buf)-1] = '\0';
     *p_str = strdup(buf);
 }

@@ -4177,6 +4184,7 @@
     data = asn_parse_header(data, length, &msg_type);
     if (data == NULL)
         return -1;
+    DEBUGMSGTL(("dumpv_recv","    Command 0x%.2x\n", msg_type));
     pdu->command = msg_type;
     pdu->flags &= (~UCD_MSG_FLAG_RESPONSE_PDU);

Index: snmplib/snmp_client.c
===================================================================
RCS file: /cvsroot/net-snmp/net-snmp/snmplib/snmp_client.c,v
retrieving revision 5.6.2.1
diff -u -r5.6.2.1 snmp_client.c
--- snmplib/snmp_client.c       10 Dec 2004 02:21:38 -0000      5.6.2.1
+++ snmplib/snmp_client.c       14 Mar 2005 23:09:28 -0000
@@ -188,6 +188,16 @@
             state->status = STAT_SUCCESS;
             session->s_snmp_errno = SNMPERR_SUCCESS;
         }
+       else {
+           char msg_buf[50];
+           state->status = STAT_ERROR;
+           session->s_snmp_errno = SNMPERR_PROTOCOL;
+           SET_SNMP_ERROR(SNMPERR_PROTOCOL);
+           snprintf(msg_buf, sizeof(msg_buf), "Expected RESPONSE pdu but got 0x%.2X",
+                   pdu->command);
+           snmp_set_detail(msg_buf);
+          return 0;
+       }
     } else if (op == NETSNMP_CALLBACK_OP_TIMED_OUT) {
         state->pdu = NULL;
         state->status = STAT_TIMEOUT;

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AllCommentsChangesGit/SVN commitsRelated reports
 [2005-03-19 19:00 UTC] phdokc at cox dot net
Sorry, forgot to add config options.  Using same options on all versions to compile.

configure --prefix=/opt/hpws/apache/php --enable-snmp --enable-pcntl --enable-sockets --enable-sigchild --with-snmp --with-snmp-dir=
/usr/local/include/net-snmp --with-gd --with-gd-dir=/usr/local/include --with-mysql --with-mysql-dir=/usr/local/mysql/include --with
-jpeg --with-jpeg-dir=/usr/local/include --with-zlib --with-zlib-dir=/usr/local/include --with-apxs2=/backup1/apache/bin/apxs --with
-png --with-png-dir=/usr/local/include --with-gettext --with-gettext-dir=/usr/local/lib/gettext
 [2005-03-19 21:39 UTC] sniper@php.net
We don't support any patched external libs, we can hardly support really released ones..

 [2005-03-19 22:43 UTC] phdokc at cox dot net
Sorry, should have been clearer.  I backed out the net-snmp 5.2.1 patch and the CVS snap shot and 4.3.10 still will not compile and have the same error results.
 [2005-03-20 01:12 UTC] sniper@php.net
Sorry but this is not PHP bug. Compiles fine for me with latest CVS snapshot.

 
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