コード例 #1
0
ファイル: net_backend_rfkill.c プロジェクト: AmVPN/badvpn
static void func_new (void *vo, NCDModuleInst *i, const struct NCDModuleInst_new_params *params)
{
    struct instance *o = vo;
    o->i = i;
    
    // check arguments
    NCDValRef type_arg;
    NCDValRef name_arg;
    if (!NCDVal_ListRead(params->args, 2, &type_arg, &name_arg)) {
        ModuleLog(o->i, BLOG_ERROR, "wrong arity");
        goto fail0;
    }
    if (!NCDVal_IsString(type_arg) || !NCDVal_IsStringNoNulls(name_arg)) {
        ModuleLog(o->i, BLOG_ERROR, "wrong type");
        goto fail0;
    }
    
    // null terminate name
    NCDValNullTermString name_nts;
    if (!NCDVal_StringNullTerminate(name_arg, &name_nts)) {
        ModuleLog(o->i, BLOG_ERROR, "NCDVal_StringNullTerminate failed");
        goto fail0;
    }
    
    if (NCDVal_StringEquals(type_arg, "index")) {
        if (sscanf(name_nts.data, "%"SCNu32, &o->index) != 1) {
            ModuleLog(o->i, BLOG_ERROR, "wrong index argument");
            goto fail1;
        }
    }
    else if (NCDVal_StringEquals(type_arg, "wlan")) {
        if (!find_wlan_rfill(name_nts.data, &o->index)) {
            ModuleLog(o->i, BLOG_ERROR, "failed to find rfkill for wlan interface");
            goto fail1;
        }
    }
    else {
        ModuleLog(o->i, BLOG_ERROR, "unknown type argument");
        goto fail1;
    }
    
    // init monitor
    if (!NCDRfkillMonitor_Init(&o->monitor, o->i->params->iparams->reactor, (NCDRfkillMonitor_handler)monitor_handler, o)) {
        ModuleLog(o->i, BLOG_ERROR, "monitor failed");
        goto fail1;
    }
    
    // set not up
    o->up = 0;
    
    // free name nts
    NCDValNullTermString_Free(&name_nts);
    return;
    
fail1:
    NCDValNullTermString_Free(&name_nts);
fail0:
    NCDModuleInst_Backend_DeadError(i);
}
コード例 #2
0
ファイル: NCDBProcessOpts.c プロジェクト: 0wsqqsw/lantern
int NCDBProcessOpts_Init2 (NCDBProcessOpts *o, NCDValRef opts_arg, NCDBProcessOpts_func_unknown func_unknown, void *func_unknown_user, NCDModuleInst *i, int blog_channel,
                           int *out_keep_stdout, int *out_keep_stderr)
{
    if (!NCDVal_IsInvalid(opts_arg) && !NCDVal_IsMap(opts_arg)) {
        NCDModuleInst_Backend_Log(i, blog_channel, BLOG_ERROR, "options must be a map");
        goto fail0;
    }
    
    o->username = NULL;
    o->do_setsid = 0;
    
    int keep_stdout = 0;
    int keep_stderr = 0;
    
    if (!NCDVal_IsInvalid(opts_arg)) {
        for (NCDValMapElem me = NCDVal_MapFirst(opts_arg); !NCDVal_MapElemInvalid(me); me = NCDVal_MapNext(opts_arg, me)) {
            NCDValRef key = NCDVal_MapElemKey(opts_arg, me);
            NCDValRef val = NCDVal_MapElemVal(opts_arg, me);
            
            if (NCDVal_IsString(key) && NCDVal_StringEquals(key, "keep_stdout")) {
                keep_stdout = ncd_read_boolean(val);
            }
            else if (NCDVal_IsString(key) && NCDVal_StringEquals(key, "keep_stderr")) {
                keep_stderr = ncd_read_boolean(val);
            }
            else if (NCDVal_IsString(key) && NCDVal_StringEquals(key, "do_setsid")) {
                o->do_setsid = ncd_read_boolean(val);
            }
            else if (NCDVal_IsString(key) && NCDVal_StringEquals(key, "username")) {
                if (!NCDVal_IsStringNoNulls(val)) {
                    NCDModuleInst_Backend_Log(i, blog_channel, BLOG_ERROR, "username must be a string without nulls");
                    goto fail1;
                }
                b_cstring cstr = NCDVal_StringCstring(val);
                o->username = b_cstring_strdup(cstr, 0, cstr.length);
                if (!o->username) {
                    NCDModuleInst_Backend_Log(i, blog_channel, BLOG_ERROR, "b_cstring_strdup failed");
                    goto fail1;
                }
            }
            else {
                if (!func_unknown || !func_unknown(func_unknown_user, key, val)) {
                    NCDModuleInst_Backend_Log(i, blog_channel, BLOG_ERROR, "unknown option");
                    goto fail1;
                }
            }
        }
    }
    
    o->nfds = 0;
    if (keep_stdout) {
        o->fds[o->nfds] = 1;
        o->fds_map[o->nfds++] = 1;
    }
    if (keep_stderr) {
        o->fds[o->nfds] = 2;
        o->fds_map[o->nfds++] = 2;
    }
    o->fds[o->nfds] = -1;
    
    if (out_keep_stdout) {
        *out_keep_stdout = keep_stdout;
    }
    if (out_keep_stderr) {
        *out_keep_stderr = keep_stderr;
    }
    
    return 1;
    
fail1:
    if (o->username) {
        BFree(o->username);
    }
fail0:
    return 0;
}
コード例 #3
0
ファイル: net_ipv4_dhcp.c プロジェクト: 0wsqqsw/lantern
static void func_new (void *vo, NCDModuleInst *i, const struct NCDModuleInst_new_params *params)
{
    struct instance *o = vo;
    o->i = i;
    
    // check arguments
    NCDValRef ifname_arg;
    NCDValRef opts_arg = NCDVal_NewInvalid();
    if (!NCDVal_ListRead(params->args, 1, &ifname_arg) && !NCDVal_ListRead(params->args, 2, &ifname_arg, &opts_arg)) {
        ModuleLog(o->i, BLOG_ERROR, "wrong arity");
        goto fail0;
    }
    if (!NCDVal_IsStringNoNulls(ifname_arg) || (!NCDVal_IsInvalid(opts_arg) && !NCDVal_IsList(opts_arg))) {
        ModuleLog(o->i, BLOG_ERROR, "wrong type");
        goto fail0;
    }
    
    NCDValNullTermString hostname_nts = NCDValNullTermString_NewDummy();
    NCDValNullTermString vendorclassid_nts = NCDValNullTermString_NewDummy();
    
    struct BDHCPClient_opts opts = {};
    
    // read options
    size_t count = NCDVal_IsInvalid(opts_arg) ? 0 : NCDVal_ListCount(opts_arg);
    for (size_t j = 0; j < count; j++) {
        NCDValRef opt = NCDVal_ListGet(opts_arg, j);
        
        // read name
        if (!NCDVal_IsString(opt)) {
            ModuleLog(o->i, BLOG_ERROR, "wrong option name type");
            goto fail1;
        }
        
        if (NCDVal_StringEquals(opt, "hostname") || NCDVal_StringEquals(opt, "vendorclassid")) {
            int is_hostname = NCDVal_StringEquals(opt, "hostname");
            
            // read value
            if (j == count) {
                ModuleLog(o->i, BLOG_ERROR, "option value missing");
                goto fail1;
            }
            NCDValRef val = NCDVal_ListGet(opts_arg, j + 1);
            if (!NCDVal_IsStringNoNulls(val)) {
                ModuleLog(o->i, BLOG_ERROR, "wrong option value type");
                goto fail1;
            }
            
            // null terminate
            NCDValNullTermString nts;
            if (!NCDVal_StringNullTerminate(val, &nts)) {
                ModuleLog(o->i, BLOG_ERROR, "NCDVal_StringNullTerminate failed");
                goto fail1;
            }
            NCDValNullTermString *nts_ptr = (is_hostname ? &hostname_nts : &vendorclassid_nts);
            NCDValNullTermString_Free(nts_ptr);
            *nts_ptr = nts;
            
            if (is_hostname) {
                opts.hostname = nts.data;
            } else {
                opts.vendorclassid = nts.data;
            }
            
            j++;
        }
        else if (NCDVal_StringEquals(opt, "auto_clientid")) {
            opts.auto_clientid = 1;
        }
        else {
            ModuleLog(o->i, BLOG_ERROR, "unknown option name");
            goto fail1;
        }
    }
    
    // null terminate ifname
    NCDValNullTermString ifname_nts;
    if (!NCDVal_StringNullTerminate(ifname_arg, &ifname_nts)) {
        ModuleLog(i, BLOG_ERROR, "NCDVal_StringNullTerminate failed");
        goto fail1;
    }
    
    // init DHCP
    int res = BDHCPClient_Init(&o->dhcp, ifname_nts.data, opts, o->i->params->iparams->reactor, o->i->params->iparams->random2, (BDHCPClient_handler)dhcp_handler, o);
    NCDValNullTermString_Free(&ifname_nts);
    if (!res) {
        ModuleLog(o->i, BLOG_ERROR, "BDHCPClient_Init failed");
        goto fail1;
    }
    
    // set not up
    o->up = 0;
    
    // free options nts's
    NCDValNullTermString_Free(&hostname_nts);
    NCDValNullTermString_Free(&vendorclassid_nts);
    return;
    
fail1:
    NCDValNullTermString_Free(&hostname_nts);
    NCDValNullTermString_Free(&vendorclassid_nts);
fail0:
    NCDModuleInst_Backend_DeadError(i);
}
コード例 #4
0
ファイル: net_ipv6_route.c プロジェクト: mikalv/badvpn
static void func_new (void *vo, NCDModuleInst *i, const struct NCDModuleInst_new_params *params)
{
    struct instance *o = vo;
    o->i = i;
    
    // read arguments
    NCDValRef dest_arg;
    NCDValRef dest_prefix_arg = NCDVal_NewInvalid();
    NCDValRef gateway_arg;
    NCDValRef metric_arg;
    NCDValRef ifname_arg;
    if (!NCDVal_ListRead(params->args, 4, &dest_arg, &gateway_arg, &metric_arg, &ifname_arg) &&
        !NCDVal_ListRead(params->args, 5, &dest_arg, &dest_prefix_arg, &gateway_arg, &metric_arg, &ifname_arg)
    ) {
        ModuleLog(o->i, BLOG_ERROR, "wrong arity");
        goto fail0;
    }
    if (!NCDVal_IsString(dest_arg) || !NCDVal_IsString(gateway_arg) ||
        !NCDVal_IsStringNoNulls(ifname_arg) ||
        (!NCDVal_IsInvalid(dest_prefix_arg) && !NCDVal_IsString(dest_prefix_arg))
    ) {
        ModuleLog(o->i, BLOG_ERROR, "wrong type");
        goto fail0;
    }
    
    // read dest
    if (NCDVal_IsInvalid(dest_prefix_arg)) {
        if (!ipaddr6_parse_ipv6_ifaddr_bin(NCDVal_StringData(dest_arg), NCDVal_StringLength(dest_arg), &o->dest)) {
            ModuleLog(o->i, BLOG_ERROR, "wrong CIDR notation dest");
            goto fail0;
        }
    } else {
        if (!ipaddr6_parse_ipv6_addr_bin(NCDVal_StringData(dest_arg), NCDVal_StringLength(dest_arg), &o->dest.addr)) {
            ModuleLog(o->i, BLOG_ERROR, "wrong dest addr");
            goto fail0;
        }
        if (!ipaddr6_parse_ipv6_prefix_bin(NCDVal_StringData(dest_prefix_arg), NCDVal_StringLength(dest_prefix_arg), &o->dest.prefix)) {
            ModuleLog(o->i, BLOG_ERROR, "wrong dest prefix");
            goto fail0;
        }
    }
    
    // read gateway and choose type
    if (NCDVal_StringEquals(gateway_arg, "none")) {
        o->type = TYPE_IFONLY;
    }
    else if (NCDVal_StringEquals(gateway_arg, "blackhole")) {
        o->type = TYPE_BLACKHOLE;
    } else {
        if (!ipaddr6_parse_ipv6_addr_bin(NCDVal_StringData(gateway_arg), NCDVal_StringLength(gateway_arg), &o->gateway)) {
            ModuleLog(o->i, BLOG_ERROR, "wrong gateway");
            goto fail0;
        }
        o->type = TYPE_NORMAL;
    }
    
    // read metric
    uintmax_t metric;
    if (!ncd_read_uintmax(metric_arg, &metric) || metric > INT_MAX) {
        ModuleLog(i, BLOG_ERROR, "bad metric");
        goto fail0;
    }
    o->metric = metric;
    
    // null terminate ifname
    if (!NCDVal_StringNullTerminate(ifname_arg, &o->ifname_nts)) {
        ModuleLog(i, BLOG_ERROR, "NCDVal_StringNullTerminate failed");
        goto fail0;
    }
    
    // add route
    int res = 0; // to remove warning
    switch (o->type) {
        case TYPE_NORMAL:
            res = NCDIfConfig_add_ipv6_route(o->dest, &o->gateway, o->metric, o->ifname_nts.data);
            break;
        case TYPE_IFONLY:
            res = NCDIfConfig_add_ipv6_route(o->dest, NULL, o->metric, o->ifname_nts.data);
            break;
        case TYPE_BLACKHOLE:
            res = NCDIfConfig_add_ipv6_blackhole_route(o->dest, o->metric);
            break;
        default: ASSERT(0);
    }
    if (!res) {
        ModuleLog(o->i, BLOG_ERROR, "failed to add route");
        goto fail1;
    }
    
    // signal up
    NCDModuleInst_Backend_Up(o->i);
    return;
    
fail1:
    NCDValNullTermString_Free(&o->ifname_nts);
fail0:
    NCDModuleInst_Backend_DeadError(i);
}