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package main
/*
// for free and size_t
#include <stdlib.h>
#include "error.h"
typedef struct discoveryServer {
const char* authentication_url_template;
const char* base_url;
const char* country_code;
const char* display_name;
const char* keyword_list;
const char** public_key_list;
size_t total_public_keys;
const char* server_type;
const char** support_contact;
size_t total_support_contact;
} discoveryServer;
typedef struct discoveryServers {
unsigned long long int version;
discoveryServer** servers;
size_t total_servers;
} discoveryServers;
typedef struct discoveryOrganization {
const char* display_name;
const char* org_id;
const char* secure_internet_home;
const char* keyword_list;
} discoveryOrganization;
typedef struct discoveryOrganizations {
unsigned long long int version;
discoveryOrganization** organizations;
size_t total_organizations;
} discoveryOrganizations;
*/
import "C"
import (
"unsafe"
"github.com/eduvpn/eduvpn-common/client"
"github.com/eduvpn/eduvpn-common/types"
)
func getCPtrDiscoOrganization(
state *client.Client,
organization *types.DiscoveryOrganization,
) *C.discoveryOrganization {
returnedStruct := (*C.discoveryOrganization)(
C.malloc(C.size_t(unsafe.Sizeof(C.discoveryOrganization{}))),
)
returnedStruct.display_name = C.CString(state.GetTranslated(organization.DisplayName))
returnedStruct.org_id = C.CString(organization.OrgID)
returnedStruct.secure_internet_home = C.CString(organization.SecureInternetHome)
returnedStruct.keyword_list = C.CString(state.GetTranslated(organization.KeywordList))
return returnedStruct
}
func getCPtrDiscoOrganizations(
state *client.Client,
organizations *types.DiscoveryOrganizations,
) (C.size_t, **C.discoveryOrganization) {
totalOrganizations := C.size_t(len(organizations.List))
if totalOrganizations > 0 {
organizationsPtr := (**C.discoveryOrganization)(
C.malloc(totalOrganizations * C.size_t(unsafe.Sizeof(uintptr(0)))),
)
cOrganizations := unsafe.Slice(organizationsPtr, totalOrganizations)
index := 0
for _, organization := range organizations.List {
cOrganization := getCPtrDiscoOrganization(state, &organization)
cOrganizations[index] = cOrganization
index++
}
return totalOrganizations, organizationsPtr
}
return 0, nil
}
func getCPtrDiscoServer(
state *client.Client,
server *types.DiscoveryServer,
) *C.discoveryServer {
returnedStruct := (*C.discoveryServer)(
C.malloc(C.size_t(unsafe.Sizeof(C.discoveryServer{}))),
)
returnedStruct.authentication_url_template = C.CString(server.AuthenticationURLTemplate)
returnedStruct.base_url = C.CString(server.BaseURL)
returnedStruct.country_code = C.CString(server.CountryCode)
returnedStruct.display_name = C.CString(state.GetTranslated(server.DisplayName))
returnedStruct.keyword_list = C.CString(state.GetTranslated(server.KeywordList))
returnedStruct.total_public_keys, returnedStruct.public_key_list = getCPtrListStrings(
server.PublicKeyList,
)
returnedStruct.server_type = C.CString(server.Type)
returnedStruct.total_support_contact, returnedStruct.support_contact = getCPtrListStrings(
server.SupportContact,
)
return returnedStruct
}
func getCPtrDiscoServers(
state *client.Client,
servers *types.DiscoveryServers,
) (C.size_t, **C.discoveryServer) {
totalServers := C.size_t(len(servers.List))
if totalServers > 0 {
serversPtr := (**C.discoveryServer)(
C.malloc(totalServers * C.size_t(unsafe.Sizeof(uintptr(0)))),
)
cServers := unsafe.Slice(serversPtr, totalServers)
index := 0
for _, server := range servers.List {
cServer := getCPtrDiscoServer(state, &server)
cServers[index] = cServer
index++
}
return totalServers, serversPtr
}
return 0, nil
}
func freeDiscoOrganization(cOrganization *C.discoveryOrganization) {
C.free(unsafe.Pointer(cOrganization.display_name))
C.free(unsafe.Pointer(cOrganization.org_id))
C.free(unsafe.Pointer(cOrganization.secure_internet_home))
C.free(unsafe.Pointer(cOrganization.keyword_list))
C.free(unsafe.Pointer(cOrganization))
}
func freeDiscoServer(cServer *C.discoveryServer) {
C.free(unsafe.Pointer(cServer.authentication_url_template))
C.free(unsafe.Pointer(cServer.base_url))
C.free(unsafe.Pointer(cServer.country_code))
C.free(unsafe.Pointer(cServer.display_name))
C.free(unsafe.Pointer(cServer.keyword_list))
freeCListStrings(cServer.public_key_list, cServer.total_public_keys)
C.free(unsafe.Pointer(cServer.server_type))
freeCListStrings(cServer.support_contact, cServer.total_support_contact)
C.free(unsafe.Pointer(cServer))
}
//export FreeDiscoServers
func FreeDiscoServers(cServers *C.discoveryServers) {
if cServers.total_servers > 0 {
servers := unsafe.Slice(cServers.servers, cServers.total_servers)
for i := C.size_t(0); i < cServers.total_servers; i++ {
freeDiscoServer(servers[i])
}
C.free(unsafe.Pointer(cServers.servers))
}
C.free(unsafe.Pointer(cServers))
}
//export FreeDiscoOrganizations
func FreeDiscoOrganizations(cOrganizations *C.discoveryOrganizations) {
if cOrganizations.total_organizations > 0 {
organizations := unsafe.Slice(cOrganizations.organizations, cOrganizations.total_organizations)
for i := C.size_t(0); i < cOrganizations.total_organizations; i++ {
freeDiscoOrganization(organizations[i])
}
C.free(unsafe.Pointer(cOrganizations.organizations))
}
C.free(unsafe.Pointer(cOrganizations))
}
//export GetDiscoServers
func GetDiscoServers(name *C.char) (*C.discoveryServers, *C.error) {
nameStr := C.GoString(name)
state, stateErr := GetVPNState(nameStr)
if stateErr != nil {
return nil, getError(stateErr)
}
servers, serversErr := state.DiscoServers()
returnedStruct := (*C.discoveryServers)(
C.malloc(C.size_t(unsafe.Sizeof(C.discoveryServers{}))),
)
returnedStruct.version = C.ulonglong(servers.Version)
returnedStruct.total_servers, returnedStruct.servers = getCPtrDiscoServers(
state,
servers,
)
return returnedStruct, getError(serversErr)
}
//export GetDiscoOrganizations
func GetDiscoOrganizations(name *C.char) (*C.discoveryOrganizations, *C.error) {
nameStr := C.GoString(name)
state, stateErr := GetVPNState(nameStr)
if stateErr != nil {
return nil, getError(stateErr)
}
organizations, organizationsErr := state.DiscoOrganizations()
returnedStruct := (*C.discoveryOrganizations)(
C.malloc(C.size_t(unsafe.Sizeof(C.discoveryOrganizations{}))),
)
returnedStruct.version = C.ulonglong(organizations.Version)
returnedStruct.total_organizations, returnedStruct.organizations = getCPtrDiscoOrganizations(
state,
organizations,
)
return returnedStruct, getError(organizationsErr)
}
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