Hi Coders,
I've uncovered an issue with our code base when using posix_spawn to create
users for snmp. The below is a snippet of our code.
sprintf_s(strIn, sizeof(strIn), "/usr/local/bin/snmpusm -n %c%c -v3 -u %s -l
authNoPriv -a MD5 -A %s localhost create %s", '"', '"',
strCloneFromUserName, strClonePassword, strUser);
printf("SNMP: execute %s\n", strCommandLine);
while (strCommandLine[i])
{
argv[nArgs] = &strCommandLine[i];
while (strCommandLine[i] && strCommandLine[i] != ' ')
{
++i;
}
if (strCommandLine[i] == ' ')
{
strCommandLine[i] = 0;
++i;
}
++nArgs;
}
argv[nArgs] = NULL;
posix_spawn(&pid, argv[0], NULL, NULL, argv, environ);
The behavior seen appears like the command is cut off when executing. Stating
that no IP(localhost) was specified. We are running on centos 7 and I'm pretty
sure this is an environment issue from when the spawn is setup. If I printf the
command being sent to the spawn it runs to perfection.
Is this the correct approach or is there a better method built into the
NET-SNMP library what we can compile into our binary?
Justin Cook
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