C++ (Cpp) krbhst_get_default_proto示例

示例#1

文件： krbhst.c 项目： 2asoft/freebsd

static krb5_error_code
kpasswd_get_next(krb5_context context,
		 struct krb5_krbhst_data *kd,
		 krb5_krbhst_info **host)
{
    krb5_error_code ret;

    if ((kd->flags & KD_PLUGIN) == 0) {
	plugin_get_hosts(context, kd, locate_service_kpasswd);
	kd->flags |= KD_PLUGIN;
	if(get_next(kd, host))
	    return 0;
    }

    if((kd->flags & KD_CONFIG) == 0) {
	config_get_hosts(context, kd, "kpasswd_server");
	kd->flags |= KD_CONFIG;
	if(get_next(kd, host))
	    return 0;
    }

    if (kd->flags & KD_CONFIG_EXISTS) {
	_krb5_debug(context, 1,
		    "Configuration exists for realm %s, wont go to DNS",
		    kd->realm);
	return KRB5_KDC_UNREACH;
    }

    if(context->srv_lookup) {
	if((kd->flags & KD_SRV_UDP) == 0) {
	    srv_get_hosts(context, kd, "udp", "kpasswd");
	    kd->flags |= KD_SRV_UDP;
	    if(get_next(kd, host))
		return 0;
	}
	if((kd->flags & KD_SRV_TCP) == 0) {
	    srv_get_hosts(context, kd, "tcp", "kpasswd");
	    kd->flags |= KD_SRV_TCP;
	    if(get_next(kd, host))
		return 0;
	}
    }

    /* no matches -> try admin */

    if (krbhst_empty(kd)) {
	kd->flags = 0;
	kd->port  = kd->def_port;
	kd->get_next = admin_get_next;
	ret = (*kd->get_next)(context, kd, host);
	if (ret == 0)
	    (*host)->proto = krbhst_get_default_proto(kd);
	return ret;
    }

    _krb5_debug(context, 0, "No kpasswd entries found for realm %s", kd->realm);

    return KRB5_KDC_UNREACH;
}

示例#2

文件： krbhst.c 项目： Kendra123/heimdal

static struct krb5_krbhst_info*
parse_hostspec(krb5_context context, struct krb5_krbhst_data *kd,
	       const char *spec, int def_port, int port)
{
    const char *p = spec, *q;
    struct krb5_krbhst_info *hi;

    hi = calloc(1, sizeof(*hi) + strlen(spec));
    if(hi == NULL)
	return NULL;

    hi->proto = krbhst_get_default_proto(kd);

    if(strncmp(p, "http://", 7) == 0){
	hi->proto = KRB5_KRBHST_HTTP;
	p += 7;
    } else if(strncmp(p, "http/", 5) == 0) {
	hi->proto = KRB5_KRBHST_HTTP;
	p += 5;
	def_port = ntohs(krb5_getportbyname (context, "http", "tcp", 80));
    }else if(strncmp(p, "tcp/", 4) == 0){
	hi->proto = KRB5_KRBHST_TCP;
	p += 4;
    } else if(strncmp(p, "udp/", 4) == 0) {
	hi->proto = KRB5_KRBHST_UDP;
	p += 4;
    }

    if (p[0] == '[' && (q = strchr(p, ']')) != NULL) {
	/* if address looks like [foo:bar] or [foo:bar]: its a ipv6
	   adress, strip of [] */
	memcpy(hi->hostname, &p[1], q - p - 1);
	hi->hostname[q - p - 1] = '\0';
	p = q + 1;
	/* get trailing : */
	if (p[0] == ':')
	    p++;
    } else if(strsep_copy(&p, ":", hi->hostname, strlen(spec) + 1) < 0) {
	/* copy everything before : */
	free(hi);
	return NULL;
    }
    /* get rid of trailing /, and convert to lower case */
    hi->hostname[strcspn(hi->hostname, "/")] = '\0';
    strlwr(hi->hostname);

    hi->port = hi->def_port = def_port;
    if(p != NULL && p[0]) {
	char *end;
	hi->port = strtol(p, &end, 0);
	if(end == p) {
	    free(hi);
	    return NULL;
	}
    }
    if (port)
	hi->port = port;
    return hi;
}

示例#3

文件： krbhst.c 项目： aidenlai/ZenPacks.zenoss.PySamba

static krb5_error_code
kdc_get_next(krb5_context context,
	     struct krb5_krbhst_data *kd,
	     krb5_krbhst_info **host)
{
    krb5_error_code ret;

    if ((kd->flags & KD_PLUGIN) == 0) {
	plugin_get_hosts(context, kd, locate_service_kdc);
	kd->flags |= KD_PLUGIN;
	if(get_next(kd, host))
	    return 0;
    }

    if((kd->flags & KD_CONFIG) == 0) {
	config_get_hosts(context, kd, "kdc");
	kd->flags |= KD_CONFIG;
	if(get_next(kd, host))
	    return 0;
    }

    if (kd->flags & KD_CONFIG_EXISTS)
	return KRB5_KDC_UNREACH; /* XXX */

    if(context->srv_lookup) {
	if((kd->flags & KD_SRV_UDP) == 0 && (kd->flags & KD_LARGE_MSG) == 0) {
	    srv_get_hosts(context, kd, "udp", "kerberos");
	    kd->flags |= KD_SRV_UDP;
	    if(get_next(kd, host))
		return 0;
	}

	if((kd->flags & KD_SRV_TCP) == 0) {
	    srv_get_hosts(context, kd, "tcp", "kerberos");
	    kd->flags |= KD_SRV_TCP;
	    if(get_next(kd, host))
		return 0;
	}
	if((kd->flags & KD_SRV_HTTP) == 0) {
	    srv_get_hosts(context, kd, "http", "kerberos");
	    kd->flags |= KD_SRV_HTTP;
	    if(get_next(kd, host))
		return 0;
	}
    }

    while((kd->flags & KD_FALLBACK) == 0) {
	ret = fallback_get_hosts(context, kd, "kerberos",
				 kd->def_port, 
				 krbhst_get_default_proto(kd));
	if(ret)
	    return ret;
	if(get_next(kd, host))
	    return 0;
    }

    return KRB5_KDC_UNREACH; /* XXX */
}

示例#4

文件： krbhst.c 项目： 2asoft/freebsd

static krb5_error_code
admin_get_next(krb5_context context,
	       struct krb5_krbhst_data *kd,
	       krb5_krbhst_info **host)
{
    krb5_error_code ret;

    if ((kd->flags & KD_PLUGIN) == 0) {
	plugin_get_hosts(context, kd, locate_service_kadmin);
	kd->flags |= KD_PLUGIN;
	if(get_next(kd, host))
	    return 0;
    }

    if((kd->flags & KD_CONFIG) == 0) {
	config_get_hosts(context, kd, "admin_server");
	kd->flags |= KD_CONFIG;
	if(get_next(kd, host))
	    return 0;
    }

    if (kd->flags & KD_CONFIG_EXISTS) {
	_krb5_debug(context, 1,
		    "Configuration exists for realm %s, wont go to DNS",
		    kd->realm);
	return KRB5_KDC_UNREACH;
    }

    if(context->srv_lookup) {
	if((kd->flags & KD_SRV_TCP) == 0) {
	    srv_get_hosts(context, kd, "tcp", "kerberos-adm");
	    kd->flags |= KD_SRV_TCP;
	    if(get_next(kd, host))
		return 0;
	}
    }

    if (krbhst_empty(kd)
	&& (kd->flags & KD_FALLBACK) == 0) {
	ret = fallback_get_hosts(context, kd, "kerberos",
				 kd->def_port,
				 krbhst_get_default_proto(kd));
	if(ret)
	    return ret;
	kd->flags |= KD_FALLBACK;
	if(get_next(kd, host))
	    return 0;
    }

    _krb5_debug(context, 0, "No admin entries found for realm %s", kd->realm);

    return KRB5_KDC_UNREACH;	/* XXX */
}

示例#5

文件： krbhst.c 项目： 2014-class/freerouter

static krb5_error_code 
add_locate(void *ctx, int type, struct sockaddr *addr)
{
    struct krb5_krbhst_info *hi;
    struct krb5_krbhst_data *kd = ctx;
    char host[NI_MAXHOST], port[NI_MAXSERV];
    struct addrinfo hints, *ai;
    socklen_t socklen;
    size_t hostlen;
    int ret;

    socklen = socket_sockaddr_size(addr);

    ret = getnameinfo(addr, socklen, host, sizeof(host), port, sizeof(port),
		      NI_NUMERICHOST|NI_NUMERICSERV);
    if (ret != 0)
	return 0;

    make_hints(&hints, krbhst_get_default_proto(kd));
    ret = getaddrinfo(host, port, &hints, &ai);
    if (ret)
	return 0;

    hostlen = strlen(host);

    hi = calloc(1, sizeof(*hi) + hostlen);
    if(hi == NULL)
	return ENOMEM;
    
    hi->proto = krbhst_get_default_proto(kd);
    hi->port  = hi->def_port = socket_get_port(addr);
    hi->ai    = ai;
    memmove(hi->hostname, host, hostlen);
    hi->hostname[hostlen] = '\0';
    append_host_hostinfo(kd, hi);

    return 0;
}

示例#6

文件： krbhst.c 项目： aidenlai/ZenPacks.zenoss.PySamba

static struct krb5_krbhst_info*
parse_hostspec(krb5_context context, struct krb5_krbhst_data *kd,
	       const char *spec, int def_port, int port)
{
    const char *p = spec;
    struct krb5_krbhst_info *hi;
    
    hi = calloc(1, sizeof(*hi) + strlen(spec));
    if(hi == NULL)
	return NULL;
       
    hi->proto = krbhst_get_default_proto(kd);

    if(strncmp(p, "http://", 7) == 0){
	hi->proto = KRB5_KRBHST_HTTP;
	p += 7;
    } else if(strncmp(p, "http/", 5) == 0) {
	hi->proto = KRB5_KRBHST_HTTP;
	p += 5;
	def_port = ntohs(krb5_getportbyname (context, "http", "tcp", 80));
    }else if(strncmp(p, "tcp/", 4) == 0){
	hi->proto = KRB5_KRBHST_TCP;
	p += 4;
    } else if(strncmp(p, "udp/", 4) == 0) {
	p += 4;
    }

    if(strsep_copy(&p, ":", hi->hostname, strlen(spec) + 1) < 0) {
	free(hi);
	return NULL;
    }
    /* get rid of trailing /, and convert to lower case */
    hi->hostname[strcspn(hi->hostname, "/")] = '\0';
    strlwr(hi->hostname);

    hi->port = hi->def_port = def_port;
    if(p != NULL) {
	char *end;
	hi->port = strtol(p, &end, 0);
	if(end == p) {
	    free(hi);
	    return NULL;
	}
    }
    if (port)
	hi->port = port;
    return hi;
}

示例#7

文件： krbhst.c 项目： aidenlai/ZenPacks.zenoss.PySamba

static krb5_error_code
kpasswd_get_next(krb5_context context,
		 struct krb5_krbhst_data *kd,
		 krb5_krbhst_info **host)
{
    krb5_error_code ret;

    if((kd->flags & KD_CONFIG) == 0) {
	config_get_hosts(context, kd, "kpasswd_server");
	kd->flags |= KD_CONFIG;
	if(get_next(kd, host))
	    return 0;
    }

    if (kd->flags & KD_CONFIG_EXISTS)
	return KRB5_KDC_UNREACH; /* XXX */

    if(context->srv_lookup) {
	if((kd->flags & KD_SRV_UDP) == 0) {
	    srv_get_hosts(context, kd, "udp", "kpasswd");
	    kd->flags |= KD_SRV_UDP;
	    if(get_next(kd, host))
		return 0;
	}
	if((kd->flags & KD_SRV_TCP) == 0) {
	    srv_get_hosts(context, kd, "tcp", "kpasswd");
	    kd->flags |= KD_SRV_TCP;
	    if(get_next(kd, host))
		return 0;
	}
    }

    /* no matches -> try admin */

    if (krbhst_empty(kd)) {
	kd->flags = 0;
	kd->port  = kd->def_port;
	kd->get_next = admin_get_next;
	ret = (*kd->get_next)(context, kd, host);
	if (ret == 0)
	    (*host)->proto = krbhst_get_default_proto(kd);
	return ret;
    }

    return KRB5_KDC_UNREACH; /* XXX */
}

示例#8

文件： krbhst.c 项目： Kendra123/heimdal

static krb5_error_code
add_locate(void *ctx, int type, struct sockaddr *addr)
{
    struct krb5_krbhst_data *kd = ctx;
    char host[NI_MAXHOST], port[NI_MAXSERV];
    socklen_t socklen;
    krb5_error_code ret;
    int proto, portnum;

    socklen = socket_sockaddr_size(addr);
    portnum = socket_get_port(addr);

    ret = getnameinfo(addr, socklen, host, sizeof(host), port, sizeof(port),
		      NI_NUMERICHOST|NI_NUMERICSERV);
    if (ret != 0)
	return 0;

    if (kd->port)
	snprintf(port, sizeof(port), "%d", kd->port);
    else if (atoi(port) == 0)
	snprintf(port, sizeof(port), "%d", krbhst_get_default_port(kd));

    proto = krbhst_get_default_proto(kd);

    ret = add_plugin_host(kd, host, port, portnum, proto);
    if (ret)
	return ret;

    /*
     * This is really kind of broken and should be solved a different
     * way, some sites block UDP, and we don't, in the general case,
     * fall back to TCP, that should also be done. But since that
     * should require us to invert the whole "find kdc" stack, let put
     * this in for now. 
     */

    if (proto == KRB5_KRBHST_UDP) {
	ret = add_plugin_host(kd, host, port, portnum, KRB5_KRBHST_TCP);
	if (ret)
	    return ret;
    }

    return 0;
}

示例#9

文件： krbhst.c 项目： aidenlai/ZenPacks.zenoss.PySamba

static krb5_error_code
admin_get_next(krb5_context context,
	       struct krb5_krbhst_data *kd,
	       krb5_krbhst_info **host)
{
    krb5_error_code ret;

    if((kd->flags & KD_CONFIG) == 0) {
	config_get_hosts(context, kd, "admin_server");
	kd->flags |= KD_CONFIG;
	if(get_next(kd, host))
	    return 0;
    }

    if (kd->flags & KD_CONFIG_EXISTS)
	return KRB5_KDC_UNREACH; /* XXX */

    if(context->srv_lookup) {
	if((kd->flags & KD_SRV_TCP) == 0) {
	    srv_get_hosts(context, kd, "tcp", "kerberos-adm");
	    kd->flags |= KD_SRV_TCP;
	    if(get_next(kd, host))
		return 0;
	}
    }

    if (krbhst_empty(kd)
	&& (kd->flags & KD_FALLBACK) == 0) {
	ret = fallback_get_hosts(context, kd, "kerberos",
				 kd->def_port,
				 krbhst_get_default_proto(kd));
	if(ret)
	    return ret;
	kd->flags |= KD_FALLBACK;
	if(get_next(kd, host))
	    return 0;
    }

    return KRB5_KDC_UNREACH;	/* XXX */
}

示例#10

文件： krbhst.c 项目： Kendra123/heimdal

static krb5_error_code
kdc_get_next(krb5_context context,
	     struct krb5_krbhst_data *kd,
	     krb5_krbhst_info **host)
{
    krb5_error_code ret;

    if ((kd->flags & KD_HOSTNAMES) == 0) {
	hostnames_get_hosts(context, kd, "kdc");
	if(get_next(kd, host))
	    return 0;
    }

    if ((kd->flags & KD_PLUGIN) == 0) {
	plugin_get_hosts(context, kd, locate_service_kdc);
	kd->flags |= KD_PLUGIN;
	if(get_next(kd, host))
	    return 0;
    }

    if((kd->flags & KD_CONFIG) == 0) {
	config_get_hosts(context, kd, "kdc");
	kd->flags |= KD_CONFIG;
	if(get_next(kd, host))
	    return 0;
    }

    if (kd->flags & KD_CONFIG_EXISTS) {
	_krb5_debug(context, 1,
		    "Configuration exists for realm %s, wont go to DNS",
		    kd->realm);
	return KRB5_KDC_UNREACH;
    }

    if(context->srv_lookup) {
	if((kd->flags & KD_SRV_UDP) == 0 && (kd->flags & KD_LARGE_MSG) == 0) {
	    srv_get_hosts(context, kd, "udp", "kerberos");
	    kd->flags |= KD_SRV_UDP;
	    if(get_next(kd, host))
		return 0;
	}

	if((kd->flags & KD_SRV_TCP) == 0) {
	    srv_get_hosts(context, kd, "tcp", "kerberos");
	    kd->flags |= KD_SRV_TCP;
	    if(get_next(kd, host))
		return 0;
	}
	if((kd->flags & KD_SRV_HTTP) == 0) {
	    srv_get_hosts(context, kd, "http", "kerberos");
	    kd->flags |= KD_SRV_HTTP;
	    if(get_next(kd, host))
		return 0;
	}
    }

    while((kd->flags & KD_FALLBACK) == 0) {
	ret = fallback_get_hosts(context, kd, "kerberos",
				 kd->def_port,
				 krbhst_get_default_proto(kd));
	if(ret)
	    return ret;
	if(get_next(kd, host))
	    return 0;
    }

    _krb5_debug(context, 0, "No KDC entries found for %s", kd->realm);

    return KRB5_KDC_UNREACH; /* XXX */
}