4 * TCP socket module for WebCit
16 #include <sys/types.h>
18 #include <sys/socket.h>
21 #include <netinet/in.h>
22 #include <arpa/inet.h>
32 #include "webserver.h"
36 #define INADDR_NONE 0xffffffff
39 RETSIGTYPE timeout(int signum)
41 lprintf(1, "Connection timed out.\n");
48 * Connect a unix domain socket
50 int uds_connectsock(char *sockpath)
52 struct sockaddr_un addr;
55 memset(&addr, 0, sizeof(addr));
56 addr.sun_family = AF_UNIX;
57 strncpy(addr.sun_path, sockpath, sizeof addr.sun_path);
59 s = socket(AF_UNIX, SOCK_STREAM, 0);
61 lprintf(1, "Can't create socket: %s\n",
66 if (connect(s, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
67 lprintf(1, "Can't connect: %s\n",
77 * Connect a TCP/IP socket
79 int tcp_connectsock(char *host, char *service)
84 struct sockaddr_in sin;
87 memset(&sin, 0, sizeof(sin));
88 sin.sin_family = AF_INET;
90 pse = getservbyname(service, "tcp");
92 sin.sin_port = pse->s_port;
93 } else if ((sin.sin_port = htons((u_short) atoi(service))) == 0) {
94 lprintf(1, "Can't get %s service entry\n", service);
97 phe = gethostbyname(host);
99 memcpy(&sin.sin_addr, phe->h_addr, phe->h_length);
100 } else if ((sin.sin_addr.s_addr = inet_addr(host)) == INADDR_NONE) {
101 lprintf(1, "Can't get %s host entry: %s\n",
102 host, strerror(errno));
105 if ((ppe = getprotobyname("tcp")) == 0) {
106 lprintf(1, "Can't get TCP protocol entry: %s\n",
111 s = socket(PF_INET, SOCK_STREAM, ppe->p_proto);
113 lprintf(1, "Can't create socket: %s\n", strerror(errno));
116 signal(SIGALRM, timeout);
119 if (connect(s, (struct sockaddr *) &sin, sizeof(sin)) < 0) {
120 lprintf(1, "Can't connect to %s.%s: %s\n",
121 host, service, strerror(errno));
125 signal(SIGALRM, SIG_IGN);
134 * Input binary data from socket
136 void serv_read(char *buf, int bytes)
141 while (len < bytes) {
142 rlen = read(WC->serv_sock, &buf[len], bytes - len);
144 lprintf(1, "Server connection broken: %s\n",
156 * input string from pipe
158 void serv_gets(char *strbuf)
166 serv_read(&buf[0], 1);
169 } while ((ch != 10) && (ch != 0) && (len < (SIZ-1)));
170 if (strbuf[len-1] == 10) strbuf[--len] = 0;
171 if (strbuf[len-1] == 13) strbuf[--len] = 0;
172 /* lprintf(9, ">%s\n", strbuf); */
178 * send binary to server
180 void serv_write(char *buf, int nbytes)
182 int bytes_written = 0;
184 while (bytes_written < nbytes) {
185 retval = write(WC->serv_sock, &buf[bytes_written],
186 nbytes - bytes_written);
188 lprintf(1, "Server connection broken: %s\n",
194 bytes_written = bytes_written + retval;
200 * send line to server
202 void serv_puts(char *string)
206 sprintf(buf, "%s\n", string);
207 serv_write(buf, strlen(buf));
212 * convenience function to send stuff to the server
214 void serv_printf(const char *format,...)
219 va_start(arg_ptr, format);
220 vsprintf(buf, format, arg_ptr);
224 serv_write(buf, strlen(buf));
225 /* lprintf(9, "<%s", buf); */