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scp-client.c
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// HDS OPE file Editor
// scp-client.c : scp client for Gen2 sumda
// imported from example codes of libssh2 1.4.3
// 2018.2.27 A.Tajitsu
#include "main.h"
#include "config.h"
#include "libssh2_config.h"
#include <libssh2.h>
#ifdef HAVE_SYS_SOCKET_H
# include <sys/socket.h>
#endif
#ifdef HAVE_NETINET_IN_H
# include <netinet/in.h>
#endif
# ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_ARPA_INET_H
# include <arpa/inet.h>
#endif
#ifdef HAVE_SYS_TIME_H
# include <sys/time.h>
#endif
#include <sys/param.h>
#include <ctype.h>
#include <sys/types.h>
#include <fcntl.h>
#include <errno.h>
#include <stdio.h>
#include <ctype.h>
#ifndef USE_WIN32
#include <netdb.h>
#endif
#ifdef USE_WIN32
#define BUF_LEN 65535 /* バッファのサイズ */
#else
#define BUF_LEN 1023 /* バッファのサイズ */
#endif
int scp_w_main();
int scp_w_spec();
int scp_write_remote(typHLOG *hl, gchar *result_file){
int ret;
FILE *fp;
gchar *sftp_log;
GtkWidget *dialog, *label, *button, *pixmap, *vbox0, *vbox, *hbox,
*text, *scr;
GtkTextBuffer *text_buffer;
gchar *msg;
gchar buf[BUF_LEN];
gint i;
gchar *loclfile;
loclfile=g_strdup(result_file);
ret=scp_w_spec(hl, loclfile, FALSE);
g_free(loclfile);
if(ret>=0){
loclfile=g_strdup_printf("%s%s%s%shdslog-%04d%02d%02d.txt",
g_get_home_dir(), G_DIR_SEPARATOR_S,
HDSLOG_DIR, G_DIR_SEPARATOR_S,
hl->fr_year,hl->fr_month,hl->fr_day);
if((fp=fopen(loclfile,"w"))==NULL){
fprintf(stderr," File Write Error \"%s\" \n", loclfile);
return;
}
WriteLog(hl, fp);
fclose(fp);
ret=scp_w_spec(hl, loclfile, TRUE);
g_free(loclfile);
}
sftp_log=g_strconcat("/tmp",
G_DIR_SEPARATOR_S,
SFTP_LOG,
NULL);
if(ret<0){
if((fp=fopen(sftp_log,"r"))==NULL){
popup_message(hl->w_top,
#ifdef USE_GTK3
"dialog-warning",
#else
GTK_STOCK_DIALOG_WARNING,
#endif
-1,
"<b>Error</b>: cannot read a temporary_file for scp log.",
" ",
sftp_log,
NULL);
g_free(sftp_log);
return(-1);
}
dialog = gtk_dialog_new_with_buttons("HDS Log Editor : Sftp failed",
GTK_WINDOW(hl->w_top),
GTK_DIALOG_MODAL,
#ifdef USE_GTK3
"_OK",GTK_RESPONSE_OK,
#else
GTK_STOCK_OK,GTK_RESPONSE_OK,
#endif
NULL);
vbox0 = gtkut_vbox_new(FALSE,2);
gtk_container_set_border_width (GTK_CONTAINER (vbox0), 0);
gtk_box_pack_start(GTK_BOX(gtk_dialog_get_content_area(GTK_DIALOG(dialog))),
vbox0,FALSE, FALSE, 0);
hbox = gtkut_hbox_new(FALSE,2);
gtk_container_set_border_width (GTK_CONTAINER (hbox), 0);
gtk_box_pack_start(GTK_BOX(vbox0),
hbox,FALSE, FALSE, 0);
#ifdef USE_GTK3
pixmap=gtk_image_new_from_icon_name ("dialog-warning",
GTK_ICON_SIZE_DIALOG);
#else
pixmap=gtk_image_new_from_stock (GTK_STOCK_DIALOG_WARNING,
GTK_ICON_SIZE_DIALOG);
#endif
gtk_box_pack_start(GTK_BOX(hbox), pixmap,FALSE, FALSE, 0);
vbox = gtkut_vbox_new(FALSE,2);
gtk_container_set_border_width (GTK_CONTAINER (vbox), 0);
gtk_box_pack_start(GTK_BOX(hbox),vbox,FALSE, FALSE, 0);
label = gtk_label_new ("Failed to upload via sftp!!");
#ifdef USE_GTK3
gtk_widget_set_halign (label, GTK_ALIGN_START);
gtk_widget_set_valign (label, GTK_ALIGN_CENTER);
#else
gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
#endif
gtk_box_pack_start(GTK_BOX(vbox),label,FALSE, FALSE, 0);
msg=g_strconcat(" Host : ",hl->remote_host, NULL);
label = gtk_label_new (msg);
#ifdef USE_GTK3
gtk_widget_set_halign (label, GTK_ALIGN_START);
gtk_widget_set_valign (label, GTK_ALIGN_CENTER);
#else
gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
#endif
gtk_box_pack_start(GTK_BOX(vbox),label,FALSE, FALSE, 0);
g_free(msg);
msg=g_strconcat(" User : ", hl->remote_user, NULL);
label = gtk_label_new (msg);
#ifdef USE_GTK3
gtk_widget_set_halign (label, GTK_ALIGN_START);
gtk_widget_set_valign (label, GTK_ALIGN_CENTER);
#else
gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
#endif
gtk_box_pack_start(GTK_BOX(vbox),label,FALSE, FALSE, 0);
g_free(msg);
msg=g_strconcat(" Password : ", hl->remote_pass, NULL);
label = gtk_label_new (msg);
#ifdef USE_GTK3
gtk_widget_set_halign (label, GTK_ALIGN_START);
gtk_widget_set_valign (label, GTK_ALIGN_CENTER);
#else
gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
#endif
gtk_box_pack_start(GTK_BOX(vbox),label,FALSE, FALSE, 0);
g_free(msg);
label = gtk_label_new (" =================== <error message> =================== ");
#ifdef USE_GTK3
gtk_widget_set_halign (label, GTK_ALIGN_CENTER);
gtk_widget_set_valign (label, GTK_ALIGN_CENTER);
#else
gtk_misc_set_alignment (GTK_MISC (label), 0.5, 0.5);
#endif
gtk_box_pack_start(GTK_BOX(vbox0),label,FALSE, FALSE, 0);
scr = gtk_scrolled_window_new(NULL, NULL);
gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scr),
GTK_POLICY_AUTOMATIC,
GTK_POLICY_AUTOMATIC);
text_buffer = gtk_text_buffer_new(NULL);
text = gtk_text_view_new_with_buffer (text_buffer);
gtk_text_view_set_editable (GTK_TEXT_VIEW (text), FALSE);
gtk_text_view_set_cursor_visible (GTK_TEXT_VIEW (text), FALSE);
gtk_container_add(GTK_CONTAINER(scr), text);
gtk_box_pack_start(GTK_BOX(vbox0),scr,TRUE, TRUE, 0);
while(fgets(buf,BUF_LEN-1,fp)!=NULL){
gtk_text_buffer_insert_at_cursor(text_buffer,
buf,
strlen(buf));
}
gtk_widget_set_size_request(scr,480,200);
gtk_widget_show_all(dialog);
if (gtk_dialog_run(GTK_DIALOG(dialog)) == GTK_RESPONSE_OK) {
gtk_widget_destroy(dialog);
}
fclose(fp);
unlink(sftp_log);
if(sftp_log) g_free(sftp_log);
return(-1);
}
else{
popup_message(hl->w_top,
#ifdef USE_GTK3
"network-transmit",
#else
GTK_STOCK_OK,
#endif
POPUP_TIMEOUT,
"The reduced spectrum has been successfully uploaded.",
NULL);
unlink(sftp_log);
if(sftp_log) g_free(sftp_log);
return(0);
}
}
int scp_write_cal(typHLOG *hl){
int ret;
FILE *fp;
gchar *sftp_log;
GtkWidget *dialog, *label, *button, *pixmap, *vbox0, *vbox, *hbox,
*text, *scr;
GtkTextBuffer *text_buffer;
gchar *msg;
gchar buf[BUF_LEN];
gint i;
gchar *loclfile;
for(i=0;i<NUM_SET;i++){
// Ap Red
if(hl->flag_ap_red[i]){
loclfile=g_strconcat(hl->wdir,
G_DIR_SEPARATOR_S,
hl->ap_red[i],
".fits",
NULL);
ret=scp_w_main(hl, loclfile, FALSE);
g_free(loclfile);
if(ret<0) break;
loclfile=g_strconcat(hl->wdir,
G_DIR_SEPARATOR_S,
"database",
G_DIR_SEPARATOR_S,
"ap",
hl->ap_red[i],
NULL);
ret=scp_w_main(hl, loclfile, TRUE);
g_free(loclfile);
if(ret<0) break;
}
// Ap Blue
if(hl->flag_ap_blue[i]){
loclfile=g_strconcat(hl->wdir,
G_DIR_SEPARATOR_S,
hl->ap_blue[i],
".fits",
NULL);
ret=scp_w_main(hl, loclfile, FALSE);
g_free(loclfile);
if(ret<0) break;
loclfile=g_strconcat(hl->wdir,
G_DIR_SEPARATOR_S,
"database",
G_DIR_SEPARATOR_S,
"ap",
hl->ap_blue[i],
NULL);
ret=scp_w_main(hl, loclfile, TRUE);
g_free(loclfile);
if(ret<0) break;
}
// ThAr Red
if(hl->flag_thar_red[i]){
loclfile=g_strconcat(hl->wdir,
G_DIR_SEPARATOR_S,
hl->thar_red[i],
".fits",
NULL);
ret=scp_w_main(hl, loclfile, FALSE);
g_free(loclfile);
if(ret<0) break;
loclfile=g_strconcat(hl->wdir,
G_DIR_SEPARATOR_S,
"database",
G_DIR_SEPARATOR_S,
"ec",
hl->thar_red[i],
NULL);
ret=scp_w_main(hl, loclfile, TRUE);
g_free(loclfile);
if(ret<0) break;
}
// ThAr Blue
if(hl->flag_thar_blue[i]){
loclfile=g_strconcat(hl->wdir,
G_DIR_SEPARATOR_S,
hl->thar_blue[i],
".fits",
NULL);
ret=scp_w_main(hl, loclfile, FALSE);
g_free(loclfile);
if(ret<0) break;
loclfile=g_strconcat(hl->wdir,
G_DIR_SEPARATOR_S,
"database",
G_DIR_SEPARATOR_S,
"ec",
hl->thar_blue[i],
NULL);
ret=scp_w_main(hl, loclfile, TRUE);
g_free(loclfile);
if(ret<0) break;
}
}
sftp_log=g_strconcat("/tmp",
G_DIR_SEPARATOR_S,
SFTP_LOG,
NULL);
if(ret<0){
if((fp=fopen(sftp_log,"r"))==NULL){
popup_message(hl->w_top,
#ifdef USE_GTK3
"dialog-warning",
#else
GTK_STOCK_DIALOG_WARNING,
#endif
-1,
"<b>Error</b>: cannot read a temporary_file for scp log.",
" ",
sftp_log,
NULL);
g_free(sftp_log);
return(-1);
}
dialog = gtk_dialog_new_with_buttons("HDS Log Editor : Sftp failed",
GTK_WINDOW(hl->w_top),
GTK_DIALOG_MODAL,
#ifdef USE_GTK3
"_OK",GTK_RESPONSE_OK,
#else
GTK_STOCK_OK,GTK_RESPONSE_OK,
#endif
NULL);
vbox0 = gtkut_vbox_new(FALSE,2);
gtk_container_set_border_width (GTK_CONTAINER (vbox0), 0);
gtk_box_pack_start(GTK_BOX(gtk_dialog_get_content_area(GTK_DIALOG(dialog))),
vbox0,FALSE, FALSE, 0);
hbox = gtkut_hbox_new(FALSE,2);
gtk_container_set_border_width (GTK_CONTAINER (hbox), 0);
gtk_box_pack_start(GTK_BOX(vbox0),
hbox,FALSE, FALSE, 0);
#ifdef USE_GTK3
pixmap=gtk_image_new_from_icon_name ("dialog-warning",
GTK_ICON_SIZE_DIALOG);
#else
pixmap=gtk_image_new_from_stock (GTK_STOCK_DIALOG_WARNING,
GTK_ICON_SIZE_DIALOG);
#endif
gtk_box_pack_start(GTK_BOX(hbox), pixmap,FALSE, FALSE, 0);
vbox = gtkut_vbox_new(FALSE,2);
gtk_container_set_border_width (GTK_CONTAINER (vbox), 0);
gtk_box_pack_start(GTK_BOX(hbox),vbox,FALSE, FALSE, 0);
label = gtk_label_new ("Failed to upload via sftp!!");
#ifdef USE_GTK3
gtk_widget_set_halign (label, GTK_ALIGN_START);
gtk_widget_set_valign (label, GTK_ALIGN_CENTER);
#else
gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
#endif
gtk_box_pack_start(GTK_BOX(vbox),label,FALSE, FALSE, 0);
msg=g_strconcat(" Host : ",SOSS_HOSTNAME, NULL);
label = gtk_label_new (msg);
#ifdef USE_GTK3
gtk_widget_set_halign (label, GTK_ALIGN_START);
gtk_widget_set_valign (label, GTK_ALIGN_CENTER);
#else
gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
#endif
gtk_box_pack_start(GTK_BOX(vbox),label,FALSE, FALSE, 0);
g_free(msg);
msg=g_strconcat(" User : ", HDS01_UNAME, NULL);
label = gtk_label_new (msg);
#ifdef USE_GTK3
gtk_widget_set_halign (label, GTK_ALIGN_START);
gtk_widget_set_valign (label, GTK_ALIGN_CENTER);
#else
gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
#endif
gtk_box_pack_start(GTK_BOX(vbox),label,FALSE, FALSE, 0);
g_free(msg);
msg=g_strconcat(" Password : ", hl->spass, NULL);
label = gtk_label_new (msg);
#ifdef USE_GTK3
gtk_widget_set_halign (label, GTK_ALIGN_START);
gtk_widget_set_valign (label, GTK_ALIGN_CENTER);
#else
gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
#endif
gtk_box_pack_start(GTK_BOX(vbox),label,FALSE, FALSE, 0);
g_free(msg);
label = gtk_label_new (" =================== <error message> =================== ");
#ifdef USE_GTK3
gtk_widget_set_halign (label, GTK_ALIGN_CENTER);
gtk_widget_set_valign (label, GTK_ALIGN_CENTER);
#else
gtk_misc_set_alignment (GTK_MISC (label), 0.5, 0.5);
#endif
gtk_box_pack_start(GTK_BOX(vbox0),label,FALSE, FALSE, 0);
scr = gtk_scrolled_window_new(NULL, NULL);
gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scr),
GTK_POLICY_AUTOMATIC,
GTK_POLICY_AUTOMATIC);
text_buffer = gtk_text_buffer_new(NULL);
text = gtk_text_view_new_with_buffer (text_buffer);
gtk_text_view_set_editable (GTK_TEXT_VIEW (text), FALSE);
gtk_text_view_set_cursor_visible (GTK_TEXT_VIEW (text), FALSE);
gtk_container_add(GTK_CONTAINER(scr), text);
gtk_box_pack_start(GTK_BOX(vbox0),scr,TRUE, TRUE, 0);
while(fgets(buf,BUF_LEN-1,fp)!=NULL){
gtk_text_buffer_insert_at_cursor(text_buffer,
buf,
strlen(buf));
}
gtk_widget_set_size_request(scr,480,200);
gtk_widget_show_all(dialog);
if (gtk_dialog_run(GTK_DIALOG(dialog)) == GTK_RESPONSE_OK) {
gtk_widget_destroy(dialog);
}
fclose(fp);
unlink(sftp_log);
if(sftp_log) g_free(sftp_log);
return(-1);
}
else{
popup_message(hl->w_top,
#ifdef USE_GTK3
"network-transmit",
#else
GTK_STOCK_OK,
#endif
-1,
"The CAL files have been successfully uploaded.",
NULL);
unlink(sftp_log);
if(sftp_log) g_free(sftp_log);
return(0);
}
}
int scp_w_main(typHLOG *hl, gchar *loclfile, gboolean db_flag)
{
struct hostent *servhost; /* ホスト名とIPアドレスを扱うための構造体 */
int sock, i, auth_pw = 1;
struct sockaddr_in sin;
const char *fingerprint;
LIBSSH2_SESSION *session = NULL;
LIBSSH2_CHANNEL *channel;
gchar *username=g_strdup(HDS01_UNAME);
gchar *password=g_strdup(hl->spass);
gchar *scppath;
FILE *local;
int rc;
char mem[1024];
size_t nread;
char *ptr;
struct stat fileinfo;
gboolean err_flag=FALSE;
#ifdef USE_WIN32
WSADATA wsadata;
int err;
#endif
FILE *fp;
gchar *sftp_log;
gchar *fname;
sftp_log=g_strconcat("/tmp",
G_DIR_SEPARATOR_S,
SFTP_LOG,
NULL);
fname=g_path_get_basename(loclfile);
if(db_flag){
scppath=g_strconcat(hl->sdir,
G_DIR_SEPARATOR_S,
"database",
G_DIR_SEPARATOR_S,
fname,
NULL);
}
else{
scppath=g_strconcat(hl->sdir,
G_DIR_SEPARATOR_S,
fname,
NULL);
}
g_free(fname);
if((fp=fopen(sftp_log,"w"))==NULL){
popup_message(hl->w_top,
#ifdef USE_GTK3
"dialog-warning",
#else
GTK_STOCK_DIALOG_WARNING,
#endif
-1,
"<b>Error</b>: cannot create a temporary_file for scp log.",
" ",
sftp_log,
NULL);
g_free(sftp_log);
return(-1);
}
g_free(sftp_log);
#ifdef USE_WIN32
err = WSAStartup(MAKEWORD(2,0), &wsadata);
if (err != 0) {
fprintf(fp, "WSAStartup failed with error: %d\n", err);
err_flag=TRUE;
fclose(fp);
return -1;
}
#endif
servhost = gethostbyname(SOSS_HOSTNAME);
if ( servhost == NULL ){
fprintf(fp, "Bad hostname [%s]\n", SOSS_HOSTNAME);
err_flag=TRUE;
fclose(fp);
return -1;
}
memcpy(&sin.sin_addr, servhost->h_addr_list[0], servhost->h_length);
rc = libssh2_init (0);
if (rc != 0) {
fprintf (fp, "libssh2 initialization failed (%d)\n", rc);
fclose(fp);
return -1;
}
local = fopen(loclfile, "rb");
if (!local) {
fprintf(fp, "Can't open local file %s\n", loclfile);
err_flag=TRUE;
fclose(fp);
return -1;
}
stat(loclfile, &fileinfo);
/* Ultra basic "connect to port 22 on localhost"
* Your code is responsible for creating the socket establishing the
* connection
*/
sock = socket(AF_INET, SOCK_STREAM, 0);
if(-1 == sock) {
fprintf(fp, "failed to create socket!\n");
err_flag=TRUE;
fclose(fp);
return -1;
}
sin.sin_family = AF_INET;
sin.sin_port = htons(22);
//sin.sin_addr.s_addr = hostaddr;
if (connect(sock, (struct sockaddr*)(&sin),
sizeof(struct sockaddr_in)) != 0) {
fprintf(fp, "failed to connect!\n");
fclose(fp);
return -1;
}
/* Create a session instance
*/
session = libssh2_session_init();
if(!session){
fprintf(fp, "Failed to initialize SSH session.\n");
err_flag=TRUE;
fclose(fp);
return -1;
}
/* ... start it up. This will trade welcome banners, exchange keys,
* and setup crypto, compression, and MAC layers
*/
rc = libssh2_session_handshake(session, sock);
if(rc) {
fprintf(fp, "Failure establishing SSH session: %d\n", rc);
err_flag=TRUE;
fclose(fp);
return -1;
}
/* At this point we havn't yet authenticated. The first thing to do
* is check the hostkey's fingerprint against our known hosts Your app
* may have it hard coded, may go to a file, may present it to the
* user, that's your call
*/
fingerprint = libssh2_hostkey_hash(session, LIBSSH2_HOSTKEY_HASH_SHA1);
fprintf(fp, "Fingerprint: ");
for(i = 0; i < 20; i++) {
fprintf(fp, "%02X ", (unsigned char)fingerprint[i]);
}
fprintf(fp, "\n");
if (auth_pw) {
/* We could authenticate via password */
if (libssh2_userauth_password(session, username, password)) {
fprintf(fp, "Authentication by password failed.\n");
err_flag=TRUE;
goto shutdown;
}
} else {
/* Or by public key */
if (libssh2_userauth_publickey_fromfile(session, username,
"/home/username/.ssh/id_rsa.pub",
"/home/username/.ssh/id_rsa",
password)) {
fprintf(fp, "\tAuthentication by public key failed\n");
err_flag=TRUE;
goto shutdown;
}
}
/* Send a file via scp. The mode parameter must only have permissions! */
channel = libssh2_scp_send(session, scppath, fileinfo.st_mode & 0777,
(unsigned long)fileinfo.st_size);
if (!channel) {
char *errmsg;
int errlen;
int err = libssh2_session_last_error(session, &errmsg, &errlen, 0);
fprintf(fp, "Unable to open a session: (%d) %s\n", err, errmsg);
err_flag=TRUE;
goto shutdown;
}
fprintf(fp, "SCP session waiting to send file\n");
do {
nread = fread(mem, 1, sizeof(mem), local);
if (nread <= 0) {
/* end of file */
break;
}
ptr = mem;
do {
/* write the same data over and over, until error or completion */
rc = libssh2_channel_write(channel, ptr, nread);
if (rc < 0) {
fprintf(fp, "ERROR %d\n", rc);
break;
}
else {
/* rc indicates how many bytes were written this time */
ptr += rc;
nread -= rc;
}
} while (nread);
} while (1);
fprintf(fp, "Sending EOF\n");
libssh2_channel_send_eof(channel);
fprintf(fp, "Waiting for EOF\n");
libssh2_channel_wait_eof(channel);
fprintf(fp, "Waiting for channel to close\n");
libssh2_channel_wait_closed(channel);
libssh2_channel_free(channel);
channel = NULL;
shutdown:
if(session) {
libssh2_session_disconnect(session, "Normal Shutdown, Thank you for playing");
libssh2_session_free(session);
}
#ifdef USE_WIN32
closesocket(sock);
#else
close(sock);
#endif
if (local)
fclose(local);
fprintf(fp, "all done\n");
fclose(fp);
libssh2_exit();
if(username) g_free(username);
if(password) g_free(password);
if(scppath) g_free(scppath);
return ((err_flag)? (-2) : (0));
}
int scp_w_spec(typHLOG *hl, gchar *loclfile, gboolean log_flag)
{
struct hostent *servhost; /* ホスト名とIPアドレスを扱うための構造体 */
int sock, i, auth_pw = 1;
struct sockaddr_in sin;
const char *fingerprint;
LIBSSH2_SESSION *session = NULL;
LIBSSH2_CHANNEL *channel;
gchar *username=g_strdup(hl->remote_user);
gchar *password=g_strdup(hl->remote_pass);
gchar *scppath;
FILE *local;
int rc;
char mem[1024];
size_t nread;
char *ptr;
struct stat fileinfo;
gboolean err_flag=FALSE;
#ifdef USE_WIN32
WSADATA wsadata;
int err;
#endif
FILE *fp;
gchar *sftp_log;
gchar *fname;
sftp_log=g_strconcat("/tmp",
G_DIR_SEPARATOR_S,
SFTP_LOG,
NULL);
if(log_flag){
scppath=g_strconcat(hl->remote_dir,
G_DIR_SEPARATOR_S,
"README.txt",
NULL);
}
else{
fname=g_path_get_basename(loclfile);
scppath=g_strconcat(hl->remote_dir,
G_DIR_SEPARATOR_S,
fname,
NULL);
g_free(fname);
}
if((fp=fopen(sftp_log,"w"))==NULL){
popup_message(hl->w_top,
#ifdef USE_GTK3
"dialog-warning",
#else
GTK_STOCK_DIALOG_WARNING,
#endif
-1,
"<b>Error</b>: cannot create a temporary_file for scp log.",
" ",
sftp_log,
NULL);
g_free(sftp_log);
return(-1);
}
g_free(sftp_log);
#ifdef USE_WIN32
err = WSAStartup(MAKEWORD(2,0), &wsadata);
if (err != 0) {
fprintf(fp, "WSAStartup failed with error: %d\n", err);
err_flag=TRUE;
fclose(fp);
return -1;
}
#endif
servhost = gethostbyname(hl->remote_host);
if ( servhost == NULL ){
fprintf(fp, "Bad hostname [%s]\n", hl->remote_host);
err_flag=TRUE;
fclose(fp);
return -1;
}
memcpy(&sin.sin_addr, servhost->h_addr_list[0], servhost->h_length);
rc = libssh2_init (0);
if (rc != 0) {
fprintf (fp, "libssh2 initialization failed (%d)\n", rc);
fclose(fp);
return -1;
}
local = fopen(loclfile, "rb");
if (!local) {
fprintf(fp, "Can't open local file %s\n", loclfile);
err_flag=TRUE;
fclose(fp);
return -1;
}
stat(loclfile, &fileinfo);
/* Ultra basic "connect to port 22 on localhost"
* Your code is responsible for creating the socket establishing the
* connection
*/
sock = socket(AF_INET, SOCK_STREAM, 0);
if(-1 == sock) {
fprintf(fp, "failed to create socket!\n");
err_flag=TRUE;
fclose(fp);
return -1;
}
sin.sin_family = AF_INET;
sin.sin_port = htons(22);
//sin.sin_addr.s_addr = hostaddr;
if (connect(sock, (struct sockaddr*)(&sin),
sizeof(struct sockaddr_in)) != 0) {
fprintf(fp, "failed to connect!\n");
fclose(fp);
return -1;
}
/* Create a session instance
*/
session = libssh2_session_init();
if(!session){
fprintf(fp, "Failed to initialize SSH session.\n");
err_flag=TRUE;
fclose(fp);
return -1;
}
/* ... start it up. This will trade welcome banners, exchange keys,
* and setup crypto, compression, and MAC layers
*/
rc = libssh2_session_handshake(session, sock);
if(rc) {
fprintf(fp, "Failure establishing SSH session: %d\n", rc);
err_flag=TRUE;
fclose(fp);
return -1;
}
/* At this point we havn't yet authenticated. The first thing to do
* is check the hostkey's fingerprint against our known hosts Your app
* may have it hard coded, may go to a file, may present it to the
* user, that's your call
*/
fingerprint = libssh2_hostkey_hash(session, LIBSSH2_HOSTKEY_HASH_SHA1);
fprintf(fp, "Fingerprint: ");
for(i = 0; i < 20; i++) {
fprintf(fp, "%02X ", (unsigned char)fingerprint[i]);
}
fprintf(fp, "\n");
if (auth_pw) {
/* We could authenticate via password */
if (libssh2_userauth_password(session, username, password)) {
fprintf(fp, "Authentication by password failed.\n");
err_flag=TRUE;
goto shutdown;
}
} else {
/* Or by public key */
if (libssh2_userauth_publickey_fromfile(session, username,
"/home/username/.ssh/id_rsa.pub",
"/home/username/.ssh/id_rsa",
password)) {
fprintf(fp, "\tAuthentication by public key failed\n");
err_flag=TRUE;
goto shutdown;
}
}
/* Send a file via scp. The mode parameter must only have permissions! */
channel = libssh2_scp_send(session, scppath, fileinfo.st_mode & 0777,
(unsigned long)fileinfo.st_size);
if (!channel) {
char *errmsg;
int errlen;
int err = libssh2_session_last_error(session, &errmsg, &errlen, 0);
fprintf(fp, "Unable to open a session: (%d) %s\n", err, errmsg);
err_flag=TRUE;
goto shutdown;
}
fprintf(fp, "SCP session waiting to send file\n");
do {
nread = fread(mem, 1, sizeof(mem), local);
if (nread <= 0) {
/* end of file */
break;
}
ptr = mem;
do {
/* write the same data over and over, until error or completion */
rc = libssh2_channel_write(channel, ptr, nread);
if (rc < 0) {
fprintf(fp, "ERROR %d\n", rc);
break;
}
else {
/* rc indicates how many bytes were written this time */
ptr += rc;
nread -= rc;
}
} while (nread);
} while (1);
fprintf(fp, "Sending EOF\n");
libssh2_channel_send_eof(channel);
fprintf(fp, "Waiting for EOF\n");
libssh2_channel_wait_eof(channel);
fprintf(fp, "Waiting for channel to close\n");
libssh2_channel_wait_closed(channel);
libssh2_channel_free(channel);
channel = NULL;
shutdown:
if(session) {
libssh2_session_disconnect(session, "Normal Shutdown, Thank you for playing");
libssh2_session_free(session);
}
#ifdef USE_WIN32
closesocket(sock);
#else
close(sock);
#endif
if (local)
fclose(local);
fprintf(fp, "all done\n");
fclose(fp);