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examples: Reformat scp_download.c

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Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
This commit is contained in:
Jakub Jelen
2025-04-24 14:52:38 +02:00
committed by Andreas Schneider
parent 986e0c593f
commit 320e5154b2
1 changed files with 152 additions and 140 deletions
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40
examples/scp_download.c
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@@ -32,19 +32,21 @@ static const char *createcommand =
"cd /tmp/libssh_tests && date > a && date > b && mkdir c && date > d";
static char *host = NULL;
static void usage(const char *argv0){
fprintf(stderr,"Usage : %s [options] host\n"
static void usage(const char *argv0)
{
fprintf(stderr,
"Usage : %s [options] host\n"
"sample tiny scp downloader client - libssh-%s\n"
"This program will create files in /tmp and try to fetch them\n",
// "Options :\n",
// " -r : use RSA to verify host public key\n",
argv0,
ssh_version(0));
exit(0);
}
static int opts(int argc, char **argv){
static int opts(int argc, char **argv)
{
int i;
while ((i = getopt(argc, argv, "v")) != -1) {
switch (i) {
case 'v':
@@ -62,7 +64,8 @@ static int opts(int argc, char **argv){
return 0;
}
static void create_files(ssh_session session){
static void create_files(ssh_session session)
{
ssh_channel channel = ssh_channel_new(session);
char buffer[1];
int rc;
@@ -77,7 +80,9 @@ static void create_files(ssh_session session){
exit(EXIT_FAILURE);
}
if (ssh_channel_request_exec(channel, createcommand) != SSH_OK) {
fprintf(stderr,"Error executing command: %s\n",ssh_get_error(session));
fprintf(stderr,
"Error executing command: %s\n",
ssh_get_error(session));
ssh_channel_close(channel);
ssh_channel_free(channel);
exit(EXIT_FAILURE);
@@ -103,14 +108,16 @@ static void create_files(ssh_session session){
ssh_channel_free(channel);
}
static int fetch_files(ssh_session session){
static int fetch_files(ssh_session session)
{
int size;
char buffer[BUF_SIZE];
int mode;
char *filename;
int r;
ssh_scp scp=ssh_scp_new(session, SSH_SCP_READ | SSH_SCP_RECURSIVE, "/tmp/libssh_tests/*");
ssh_scp scp = ssh_scp_new(session,
SSH_SCP_READ | SSH_SCP_RECURSIVE,
"/tmp/libssh_tests/*");
if (ssh_scp_init(scp) != SSH_OK) {
fprintf(stderr, "error initializing scp: %s\n", ssh_get_error(session));
ssh_scp_free(scp);
@@ -118,19 +125,23 @@ static int fetch_files(ssh_session session){
}
printf("Trying to download 3 files (a,b,d) and 1 directory (c)\n");
do {
r = ssh_scp_pull_request(scp);
switch (r) {
case SSH_SCP_REQUEST_NEWFILE:
size = ssh_scp_request_get_size(scp);
filename = strdup(ssh_scp_request_get_filename(scp));
mode = ssh_scp_request_get_permissions(scp);
printf("downloading file %s, size %d, perms 0%o\n",filename,size,mode);
printf("downloading file %s, size %d, perms 0%o\n",
filename,
size,
mode);
free(filename);
ssh_scp_accept_request(scp);
r = ssh_scp_read(scp, buffer, sizeof(buffer));
if (r == SSH_ERROR) {
fprintf(stderr,"Error reading scp: %s\n",ssh_get_error(session));
fprintf(stderr,
"Error reading scp: %s\n",
ssh_get_error(session));
ssh_scp_close(scp);
ssh_scp_free(scp);
return -1;
@@ -166,7 +177,8 @@ static int fetch_files(ssh_session session){
return 0;
}
int main(int argc, char **argv){
int main(int argc, char **argv)
{
ssh_session session;
if (opts(argc, argv) < 0)
return EXIT_FAILURE;