+++ /dev/null
-/*
- * $Id$
- */
-
-/*
- * Uncomment this to log all communications with the Citadel server
-#define SERV_TRACE 1
- */
-
-
-#include "webcit.h"
-#include "webserver.h"
-
-/*
- * register the timeout
- * signum signalhandler number
- * \return signals
- */
-RETSIGTYPE timeout(int signum)
-{
- lprintf(1, "Connection timed out; unable to reach citserver\n");
- /* no exit here, since we need to server the connection unreachable thing. exit(3); */
-}
-
-
-/*
- * Connect a unix domain socket
- * sockpath where to open a unix domain socket
- */
-int uds_connectsock(char *sockpath)
-{
- struct sockaddr_un addr;
- int s;
-
- memset(&addr, 0, sizeof(addr));
- addr.sun_family = AF_UNIX;
- strncpy(addr.sun_path, sockpath, sizeof addr.sun_path);
-
- s = socket(AF_UNIX, SOCK_STREAM, 0);
- if (s < 0) {
- lprintf(1, "Can't create socket[%s]: %s\n",
- sockpath,
- strerror(errno));
- return(-1);
- }
-
- if (connect(s, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
- lprintf(1, "Can't connect [%s]: %s\n",
- sockpath,
- strerror(errno));
- close(s);
- return(-1);
- }
-
- return s;
-}
-
-
-/*
- * Connect a TCP/IP socket
- * host the host to connect to
- * service the service on the host to call
- */
-int tcp_connectsock(char *host, char *service)
-{
- int fdflags;
- struct hostent *phe;
- struct servent *pse;
- struct protoent *ppe;
- struct sockaddr_in sin;
- int s;
-
- memset(&sin, 0, sizeof(sin));
- sin.sin_family = AF_INET;
-
- pse = getservbyname(service, "tcp");
- if (pse) {
- sin.sin_port = pse->s_port;
- } else if ((sin.sin_port = htons((u_short) atoi(service))) == 0) {
- lprintf(1, "Can't get %s service entry\n", service);
- return (-1);
- }
- phe = gethostbyname(host);
- if (phe) {
- memcpy(&sin.sin_addr, phe->h_addr, phe->h_length);
- } else if ((sin.sin_addr.s_addr = inet_addr(host)) == INADDR_NONE) {
- lprintf(1, "Can't get %s host entry: %s\n",
- host, strerror(errno));
- return (-1);
- }
- if ((ppe = getprotobyname("tcp")) == 0) {
- lprintf(1, "Can't get TCP protocol entry: %s\n",
- strerror(errno));
- return (-1);
- }
-
- s = socket(PF_INET, SOCK_STREAM, ppe->p_proto);
- if (s < 0) {
- lprintf(1, "Can't create socket: %s\n", strerror(errno));
- return (-1);
- }
- signal(SIGALRM, timeout);
- alarm(30);
-
- if (connect(s, (struct sockaddr *) &sin, sizeof(sin)) < 0) {
- lprintf(1, "Can't connect to %s.%s: %s\n",
- host, service, strerror(errno));
- close(s);
- return (-1);
- }
- alarm(0);
- signal(SIGALRM, SIG_IGN);
-
- fdflags = fcntl(s, F_GETFL);
- fdflags = fdflags | O_NONBLOCK;
- fcntl(s, F_SETFD, fdflags);
- return (s);
-}
-
-
-
-/*
- * input string from pipe
- */
-int serv_getln(char *strbuf, int bufsize)
-{
- wcsession *WCC = WC;
- int len;
-
- *strbuf = '\0';
- StrBuf_ServGetln(WCC->MigrateReadLineBuf);
- len = StrLength(WCC->MigrateReadLineBuf);
- if (len > bufsize)
- len = bufsize - 1;
- memcpy(strbuf, ChrPtr(WCC->MigrateReadLineBuf), len);
- FlushStrBuf(WCC->MigrateReadLineBuf);
- strbuf[len] = '\0';
-#ifdef SERV_TRACE
- lprintf(9, "%3d>%s\n", WC->serv_sock, strbuf);
-#endif
- return len;
-}
-
-
-int StrBuf_ServGetln(StrBuf *buf)
-{
- wcsession *WCC = WC;
- const char *ErrStr;
- int rc;
-
- rc = StrBufTCP_read_buffered_line_fast(buf,
- WCC->ReadBuf,
- &WCC->ReadPos,
- &WCC->serv_sock,
- 5, 1,
- &ErrStr);
- if (rc < 0)
- {
- lprintf(1, "Server connection broken: %s\n",
- ErrStr);
- wc_backtrace();
- WCC->serv_sock = (-1);
- WCC->connected = 0;
- WCC->logged_in = 0;
- }
- return rc;
-}
-
-int StrBuf_ServGetBLOBBuffered(StrBuf *buf, long BlobSize)
-{
- wcsession *WCC = WC;
- const char *Err;
- int rc;
-
- rc = StrBufReadBLOBBuffered(buf,
- WCC->ReadBuf,
- &WCC->ReadPos,
- &WCC->serv_sock,
- 1,
- BlobSize,
- NNN_TERM,
- &Err);
- if (rc < 0)
- {
- lprintf(1, "Server connection broken: %s\n",
- Err);
- wc_backtrace();
- WCC->serv_sock = (-1);
- WCC->connected = 0;
- WCC->logged_in = 0;
- }
- return rc;
-}
-
-int StrBuf_ServGetBLOB(StrBuf *buf, long BlobSize)
-{
- wcsession *WCC = WC;
- const char *Err;
- int rc;
-
- WCC->ReadPos = NULL;
- rc = StrBufReadBLOB(buf, &WCC->serv_sock, 1, BlobSize, &Err);
- if (rc < 0)
- {
- lprintf(1, "Server connection broken: %s\n",
- Err);
- wc_backtrace();
- WCC->serv_sock = (-1);
- WCC->connected = 0;
- WCC->logged_in = 0;
- }
- return rc;
-}
-
-/*
- * send binary to server
- * buf the buffer to write to citadel server
- * nbytes how many bytes to send to citadel server
- */
-void serv_write(const char *buf, int nbytes)
-{
- int bytes_written = 0;
- int retval;
- while (bytes_written < nbytes) {
- retval = write(WC->serv_sock, &buf[bytes_written],
- nbytes - bytes_written);
- if (retval < 1) {
- lprintf(1, "Server connection broken: %s\n",
- strerror(errno));
- close(WC->serv_sock);
- WC->serv_sock = (-1);
- WC->connected = 0;
- WC->logged_in = 0;
- return;
- }
- bytes_written = bytes_written + retval;
- }
-}
-
-
-/*
- * send line to server
- * string the line to send to the citadel server
- */
-void serv_puts(const char *string)
-{
- wcsession *WCC = WC;
-#ifdef SERV_TRACE
- lprintf(9, "%3d<%s\n", WC->serv_sock, string);
-#endif
- FlushStrBuf(WCC->ReadBuf);
- WCC->ReadPos = NULL;
-
- serv_write(string, strlen(string));
- serv_write("\n", 1);
-}
-
-/*
- * send line to server
- * string the line to send to the citadel server
- */
-void serv_putbuf(const StrBuf *string)
-{
- wcsession *WCC = WC;
-#ifdef SERV_TRACE
- lprintf(9, "%3d<%s\n", WC->serv_sock, ChrPtr(string));
-#endif
- FlushStrBuf(WCC->ReadBuf);
- WCC->ReadPos = NULL;
-
- serv_write(ChrPtr(string), StrLength(string));
- serv_write("\n", 1);
-}
-
-
-/*
- * convenience function to send stuff to the server
- * format the formatstring
- * ... the entities to insert into format
- */
-void serv_printf(const char *format,...)
-{
- wcsession *WCC = WC;
- va_list arg_ptr;
- char buf[SIZ];
- size_t len;
-
- FlushStrBuf(WCC->ReadBuf);
- WCC->ReadPos = NULL;
-
- va_start(arg_ptr, format);
- vsnprintf(buf, sizeof buf, format, arg_ptr);
- va_end(arg_ptr);
-
- len = strlen(buf);
- buf[len++] = '\n';
- buf[len] = '\0';
- serv_write(buf, len);
-#ifdef SERV_TRACE
- lprintf(9, "<%s", buf);
-#endif
-}
-
projects / citadel.git / blobdiff