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APÉNDICE A. CODIGO FUENTE DE LA HERRAMIENTA DE GESTION DE REDES VIRTUALES<br />

case 'X':<br />

Xpsz = optarg;<br />

break;<br />

case '':<br />

return(-1);<br />

break;<br />

default:<br />

proc(argc, argv, arg);<br />

break;<br />

}<br />

}<br />

DEBUGMSGTL(("snmp_parse_args","finished: %d/%d\n", optind, argc));<br />

/* lee en la base de datos de MIB */<br />

init_snmp("snmpapp");<br />

if (session->version == SNMP_DEFAULT_VERSION) {<br />

session->version = ds_get_int(DS_LIBRARY_ID, DS_LIB_SNMPVERSION);<br />

}<br />

if (Apsz) {<br />

session->securityAuthKeyLen = USM_AUTH_KU_LEN;<br />

if (session->securityAuthProto == NULL) {<br />

/* get .conf set default */<br />

session->securityAuthProto =<br />

get_default_authtype(&session->securityAuthProtoLen);<br />

}<br />

if (session->securityAuthProto == NULL) {<br />

/* assume MD5 */<br />

session->securityAuthProto = usmHMACMD5AuthProtocol;<br />

session->securityAuthProtoLen = USM_AUTH_PROTO_MD5_LEN;<br />

}<br />

if (generate_Ku(session->securityAuthProto,<br />

session->securityAuthProtoLen,<br />

(u_char *)Apsz, strlen(Apsz),<br />

session->securityAuthKey,<br />

&session->securityAuthKeyLen) != SNMPERR_SUCCESS) {<br />

snmp_perror(argv[0]);<br />

fprintf(stderr,"Error generating Ku from authentication pass phrase. \n");<br />

return(-2);<br />

}<br />

}<br />

if (Xpsz) {<br />

session->securityPrivKeyLen = USM_PRIV_KU_LEN;<br />

if (session->securityPrivProto == NULL) {<br />

session->securityPrivProto =<br />

get_default_privtype(&session->securityPrivProtoLen);<br />

}<br />

if (session->securityPrivProto == NULL) {<br />

session->securityPrivProto = usmDESPrivProtocol;<br />

session->securityPrivProtoLen = USM_PRIV_PROTO_DES_LEN;<br />

}<br />

if (generate_Ku(session->securityAuthProto,<br />

149

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