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style: make includes and examples code style strict

Browse Source 
make travis and the makefile rule verify them too

Closes #334
This commit is contained in:
Daniel Stenberg
2019-03-21 09:19:48 +01:00
parent 4186a04cfd
commit 452517d96c
28 changed files with 1060 additions and 958 deletions
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108
example/direct_tcpip.c
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@@ -72,8 +72,8 @@ int main(int argc, char *argv[])
WSADATA wsadata;
int err;
err = WSAStartup(MAKEWORD(2,0), &wsadata);
if (err != 0) {
err = WSAStartup(MAKEWORD(2, 0), &wsadata);
if(err != 0) {
fprintf(stderr, "WSAStartup failed with error: %d\n", err);
return 1;
}
@@ -82,49 +82,50 @@ int main(int argc, char *argv[])
int listensock = -1, forwardsock = -1;
#endif
if (argc > 1)
if(argc > 1)
server_ip = argv[1];
if (argc > 2)
if(argc > 2)
username = argv[2];
if (argc > 3)
if(argc > 3)
password = argv[3];
if (argc > 4)
if(argc > 4)
local_listenip = argv[4];
if (argc > 5)
if(argc > 5)
local_listenport = atoi(argv[5]);
if (argc > 6)
if(argc > 6)
remote_desthost = argv[6];
if (argc > 7)
if(argc > 7)
remote_destport = atoi(argv[7]);
rc = libssh2_init (0);
if (rc != 0) {
fprintf (stderr, "libssh2 initialization failed (%d)\n", rc);
rc = libssh2_init(0);
if(rc) {
fprintf(stderr, "libssh2 initialization failed (%d)\n", rc);
return 1;
}
/* Connect to SSH server */
sock = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP);
#ifdef WIN32
if (sock == INVALID_SOCKET) {
if(sock == INVALID_SOCKET) {
fprintf(stderr, "failed to open socket!\n");
return -1;
}
#else
if (sock == -1) {
if(sock == -1) {
perror("socket");
return -1;
}
#endif
sin.sin_family = AF_INET;
if (INADDR_NONE == (sin.sin_addr.s_addr = inet_addr(server_ip))) {
sin.sin_addr.s_addr = inet_addr(server_ip);
if(INADDR_NONE == sin.sin_addr.s_addr) {
perror("inet_addr");
return -1;
}
sin.sin_port = htons(22);
if (connect(sock, (struct sockaddr*)(&sin),
sizeof(struct sockaddr_in)) != 0) {
if(connect(sock, (struct sockaddr*)(&sin),
sizeof(struct sockaddr_in)) != 0) {
fprintf(stderr, "failed to connect!\n");
return -1;
}
@@ -159,44 +160,46 @@ int main(int argc, char *argv[])
/* check what authentication methods are available */
userauthlist = libssh2_userauth_list(session, username, strlen(username));
fprintf(stderr, "Authentication methods: %s\n", userauthlist);
if (strstr(userauthlist, "password"))
if(strstr(userauthlist, "password"))
auth |= AUTH_PASSWORD;
if (strstr(userauthlist, "publickey"))
if(strstr(userauthlist, "publickey"))
auth |= AUTH_PUBLICKEY;
/* check for options */
if(argc > 8) {
if ((auth & AUTH_PASSWORD) && !strcasecmp(argv[8], "-p"))
if((auth & AUTH_PASSWORD) && !strcasecmp(argv[8], "-p"))
auth = AUTH_PASSWORD;
if ((auth & AUTH_PUBLICKEY) && !strcasecmp(argv[8], "-k"))
if((auth & AUTH_PUBLICKEY) && !strcasecmp(argv[8], "-k"))
auth = AUTH_PUBLICKEY;
}
if (auth & AUTH_PASSWORD) {
if (libssh2_userauth_password(session, username, password)) {
if(auth & AUTH_PASSWORD) {
if(libssh2_userauth_password(session, username, password)) {
fprintf(stderr, "Authentication by password failed.\n");
goto shutdown;
}
} else if (auth & AUTH_PUBLICKEY) {
if (libssh2_userauth_publickey_fromfile(session, username, keyfile1,
keyfile2, password)) {
}
else if(auth & AUTH_PUBLICKEY) {
if(libssh2_userauth_publickey_fromfile(session, username, keyfile1,
keyfile2, password)) {
fprintf(stderr, "\tAuthentication by public key failed!\n");
goto shutdown;
}
fprintf(stderr, "\tAuthentication by public key succeeded.\n");
} else {
}
else {
fprintf(stderr, "No supported authentication methods found!\n");
goto shutdown;
}
listensock = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP);
#ifdef WIN32
if (listensock == INVALID_SOCKET) {
if(listensock == INVALID_SOCKET) {
fprintf(stderr, "failed to open listen socket!\n");
return -1;
}
#else
if (listensock == -1) {
if(listensock == -1) {
perror("socket");
return -1;
}
@@ -204,18 +207,20 @@ int main(int argc, char *argv[])
sin.sin_family = AF_INET;
sin.sin_port = htons(local_listenport);
if (INADDR_NONE == (sin.sin_addr.s_addr = inet_addr(local_listenip))) {
sin.sin_addr.s_addr = inet_addr(local_listenip);
if(INADDR_NONE == sin.sin_addr.s_addr) {
perror("inet_addr");
goto shutdown;
}
sockopt = 1;
setsockopt(listensock, SOL_SOCKET, SO_REUSEADDR, &sockopt, sizeof(sockopt));
sinlen=sizeof(sin);
if (-1 == bind(listensock, (struct sockaddr *)&sin, sinlen)) {
setsockopt(listensock, SOL_SOCKET, SO_REUSEADDR, &sockopt,
sizeof(sockopt));
sinlen = sizeof(sin);
if(-1 == bind(listensock, (struct sockaddr *)&sin, sinlen)) {
perror("bind");
goto shutdown;
}
if (-1 == listen(listensock, 2)) {
if(-1 == listen(listensock, 2)) {
perror("listen");
goto shutdown;
}
@@ -225,12 +230,12 @@ int main(int argc, char *argv[])
forwardsock = accept(listensock, (struct sockaddr *)&sin, &sinlen);
#ifdef WIN32
if (forwardsock == INVALID_SOCKET) {
if(forwardsock == INVALID_SOCKET) {
fprintf(stderr, "failed to accept forward socket!\n");
goto shutdown;
}
#else
if (forwardsock == -1) {
if(forwardsock == -1) {
perror("accept");
goto shutdown;
}
@@ -244,7 +249,7 @@ int main(int argc, char *argv[])
channel = libssh2_channel_direct_tcpip_ex(session, remote_desthost,
remote_destport, shost, sport);
if (!channel) {
if(!channel) {
fprintf(stderr, "Could not open the direct-tcpip channel!\n"
"(Note that this can be a problem at the server!"
" Please review the server logs.)\n");
@@ -254,22 +259,23 @@ int main(int argc, char *argv[])
/* Must use non-blocking IO hereafter due to the current libssh2 API */
libssh2_session_set_blocking(session, 0);
while (1) {
while(1) {
FD_ZERO(&fds);
FD_SET(forwardsock, &fds);
tv.tv_sec = 0;
tv.tv_usec = 100000;
rc = select(forwardsock + 1, &fds, NULL, NULL, &tv);
if (-1 == rc) {
if(-1 == rc) {
perror("select");
goto shutdown;
}
if (rc && FD_ISSET(forwardsock, &fds)) {
if(rc && FD_ISSET(forwardsock, &fds)) {
len = recv(forwardsock, buf, sizeof(buf), 0);
if (len < 0) {
if(len < 0) {
perror("read");
goto shutdown;
} else if (0 == len) {
}
else if(0 == len) {
fprintf(stderr, "The client at %s:%d disconnected!\n", shost,
sport);
goto shutdown;
@@ -277,34 +283,34 @@ int main(int argc, char *argv[])
wr = 0;
while(wr < len) {
i = libssh2_channel_write(channel, buf + wr, len - wr);
if (LIBSSH2_ERROR_EAGAIN == i) {
if(LIBSSH2_ERROR_EAGAIN == i) {
continue;
}
if (i < 0) {
if(i < 0) {
fprintf(stderr, "libssh2_channel_write: %d\n", i);
goto shutdown;
}
wr += i;
}
}
while (1) {
while(1) {
len = libssh2_channel_read(channel, buf, sizeof(buf));
if (LIBSSH2_ERROR_EAGAIN == len)
if(LIBSSH2_ERROR_EAGAIN == len)
break;
else if (len < 0) {
else if(len < 0) {
fprintf(stderr, "libssh2_channel_read: %d", (int)len);
goto shutdown;
}
wr = 0;
while (wr < len) {
while(wr < len) {
i = send(forwardsock, buf + wr, len - wr, 0);
if (i <= 0) {
if(i <= 0) {
perror("write");
goto shutdown;
}
wr += i;
}
if (libssh2_channel_eof(channel)) {
if(libssh2_channel_eof(channel)) {
fprintf(stderr, "The server at %s:%d disconnected!\n",
remote_desthost, remote_destport);
goto shutdown;
@@ -320,7 +326,7 @@ shutdown:
close(forwardsock);
close(listensock);
#endif
if (channel)
if(channel)
libssh2_channel_free(channel);
libssh2_session_disconnect(session, "Client disconnecting normally");
libssh2_session_free(session);