lib/libssh2
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tidy-up: avoid exclamations, prefer single quotes, in outputs

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Closes #1079
This commit is contained in:
Viktor Szakats
2023-06-01 09:38:00 +00:00
parent c89174a78b
commit 003fb454c3
34 changed files with 208 additions and 208 deletions
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38
example/tcpip-forward.c
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@ -102,26 +102,26 @@ int main(int argc, char *argv[])
/* Connect to SSH server */
sock = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP);
if(sock == LIBSSH2_INVALID_SOCKET) {
fprintf(stderr, "failed to open socket!\n");
fprintf(stderr, "failed to open socket.\n");
goto shutdown;
}
sin.sin_family = AF_INET;
sin.sin_addr.s_addr = inet_addr(server_ip);
if(INADDR_NONE == sin.sin_addr.s_addr) {
fprintf(stderr, "inet_addr: Invalid IP address \"%s\"\n", server_ip);
fprintf(stderr, "inet_addr: Invalid IP address '%s'\n", server_ip);
goto shutdown;
}
sin.sin_port = htons(22);
if(connect(sock, (struct sockaddr*)(&sin), sizeof(struct sockaddr_in))) {
fprintf(stderr, "Failed to connect to %s!\n", inet_ntoa(sin.sin_addr));
fprintf(stderr, "Failed to connect to %s.\n", inet_ntoa(sin.sin_addr));
goto shutdown;
}
/* Create a session instance */
session = libssh2_session_init();
if(!session) {
fprintf(stderr, "Could not initialize SSH session!\n");
fprintf(stderr, "Could not initialize SSH session.\n");
goto shutdown;
}
@ -165,7 +165,7 @@ int main(int argc, char *argv[])
if(auth & AUTH_PASSWORD) {
if(libssh2_userauth_password(session, username, password)) {
fprintf(stderr, "Authentication by password failed!\n");
fprintf(stderr, "Authentication by password failed.\n");
goto shutdown;
}
}
@ -173,7 +173,7 @@ int main(int argc, char *argv[])
if(libssh2_userauth_publickey_fromfile(session, username,
pubkey, privkey,
password)) {
fprintf(stderr, "Authentication by public key failed!\n");
fprintf(stderr, "Authentication by public key failed.\n");
goto shutdown;
}
else {
@ -181,7 +181,7 @@ int main(int argc, char *argv[])
}
}
else {
fprintf(stderr, "No supported authentication methods found!\n");
fprintf(stderr, "No supported authentication methods found.\n");
goto shutdown;
}
}
@ -192,8 +192,8 @@ int main(int argc, char *argv[])
listener = libssh2_channel_forward_listen_ex(session, remote_listenhost,
remote_wantport, &remote_listenport, 1);
if(!listener) {
fprintf(stderr, "Could not start the tcpip-forward listener!\n"
"(Note that this can be a problem at the server!"
fprintf(stderr, "Could not start the tcpip-forward listener.\n"
"(Note that this can be a problem at the server."
" Please review the server logs.)\n");
goto shutdown;
}
@ -204,8 +204,8 @@ int main(int argc, char *argv[])
fprintf(stderr, "Waiting for remote connection\n");
channel = libssh2_channel_forward_accept(listener);
if(!channel) {
fprintf(stderr, "Could not accept connection!\n"
"(Note that this can be a problem at the server!"
fprintf(stderr, "Could not accept connection.\n"
"(Note that this can be a problem at the server."
" Please review the server logs.)\n");
goto shutdown;
}
@ -215,7 +215,7 @@ int main(int argc, char *argv[])
local_destip, local_destport);
forwardsock = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP);
if(forwardsock == LIBSSH2_INVALID_SOCKET) {
fprintf(stderr, "failed to open forward socket!\n");
fprintf(stderr, "failed to open forward socket.\n");
goto shutdown;
}
@ -223,11 +223,11 @@ int main(int argc, char *argv[])
sin.sin_port = htons((unsigned short)local_destport);
sin.sin_addr.s_addr = inet_addr(local_destip);
if(INADDR_NONE == sin.sin_addr.s_addr) {
fprintf(stderr, "failed in inet_addr()!\n");
fprintf(stderr, "failed in inet_addr().\n");
goto shutdown;
}
if(-1 == connect(forwardsock, (struct sockaddr *)&sin, sinlen)) {
fprintf(stderr, "failed to connect()!\n");
fprintf(stderr, "failed to connect().\n");
goto shutdown;
}
@ -244,18 +244,18 @@ int main(int argc, char *argv[])
tv.tv_usec = 100000;
rc = select((int)(forwardsock + 1), &fds, NULL, NULL, &tv);
if(-1 == rc) {
fprintf(stderr, "failed to select()!\n");
fprintf(stderr, "failed to select().\n");
goto shutdown;
}
if(rc && FD_ISSET(forwardsock, &fds)) {
ssize_t nwritten;
len = recv(forwardsock, buf, sizeof(buf), 0);
if(len < 0) {
fprintf(stderr, "failed to recv()!\n");
fprintf(stderr, "failed to recv().\n");
goto shutdown;
}
else if(len == 0) {
fprintf(stderr, "The local server at %s:%d disconnected!\n",
fprintf(stderr, "The local server at %s:%d disconnected.\n",
local_destip, local_destport);
goto shutdown;
}
@ -284,13 +284,13 @@ int main(int argc, char *argv[])
while(wr < len) {
nsent = send(forwardsock, buf + wr, len - wr, 0);
if(nsent <= 0) {
fprintf(stderr, "failed to send()!\n");
fprintf(stderr, "failed to send().\n");
goto shutdown;
}
wr += nsent;
}
if(libssh2_channel_eof(channel)) {
fprintf(stderr, "The remote client at %s:%d disconnected!\n",
fprintf(stderr, "The remote client at %s:%d disconnected.\n",
remote_listenhost, remote_listenport);
goto shutdown;
}