#include <netinet/in_systm.h>
#include <netinet/in.h>
#include <netinet/ip.h>
+#include <netinet/tcp.h>
#ifdef HAVE_NETINET_IP_VAR_H
-#include <netinet/ip_var.h>
+# include <netinet/ip_var.h>
#endif
#include <netdb.h>
#ifndef CS
# define CS (char *)
+# define CCS (const char *)
#endif
char line[1];
} line;
+typedef unsigned BOOL;
+#define FALSE 0
+#define TRUE 1
+
/*************************************************
* SIGALRM handler - crash out *
*************************************************/
+int tmo_noerror = 0;
static void
sigalrm_handler(int sig)
{
sig = sig; /* Keep picky compilers happy */
printf("\nServer timed out\n");
-exit(99);
+exit(tmo_noerror ? 0 : 99);
}
int count;
int on = 1;
int timeout = 5;
-int initial_pause = 0;
+int initial_pause = 0, tfo = 0;
int use_ipv4 = 1;
int use_ipv6 = 1;
int debug = 0;
line *s;
FILE *in, *out;
int linebuf = 1;
+char *pidfile = NULL;
char *sockname = NULL;
unsigned char buffer[10240];
/* Sort out the arguments */
+if (argc > 1 && (!strcmp(argv[1], "--help") || !strcmp(argv[1], "-h")))
+ {
+ printf("Usage: %s [options] port|socket [connection count]\n", argv[0]);
+ puts("Options"
+ "\n\t-d debug"
+ "\n\t-i n n seconds initial delay"
+ "\n\t-noipv4 disable ipv4"
+ "\n\t-noipv6 disable ipv6"
+ "\n\t-oP file write PID to file"
+ "\n\t-t n n seconds timeout"
+ "\n\t-tfo enable TCP Fast Open"
+ );
+ exit(0);
+ }
while (na < argc && argv[na][0] == '-')
{
if (strcmp(argv[na], "-d") == 0) debug = 1;
- else if (strcmp(argv[na], "-t") == 0) timeout = atoi(argv[++na]);
+ else if (strcmp(argv[na], "-tfo") == 0) tfo = 1;
+ else if (strcmp(argv[na], "-t") == 0)
+ {
+ if (tmo_noerror = ((timeout = atoi(argv[++na])) < 0)) timeout = -timeout;
+ }
else if (strcmp(argv[na], "-i") == 0) initial_pause = atoi(argv[++na]);
else if (strcmp(argv[na], "-noipv4") == 0) use_ipv4 = 0;
else if (strcmp(argv[na], "-noipv6") == 0) use_ipv6 = 0;
+ else if (strcmp(argv[na], "-oP") == 0) pidfile = argv[++na];
else
{
- printf("server: unknown option %s\n", argv[na]);
+ printf("server: unknown option %s, try -h or --help\n", argv[na]);
exit(1);
}
na++;
printf("IPv6 socket creation failed: %s\n", strerror(errno));
exit(1);
}
-
+#ifdef TCP_FASTOPEN
+ if (tfo)
+ {
+ int backlog = 5;
+ if (setsockopt(listen_socket[v6n], IPPROTO_TCP, TCP_FASTOPEN,
+ &backlog, sizeof(backlog)))
+ if (debug) printf("setsockopt TCP_FASTOPEN: %s\n", strerror(errno));
+ }
+#endif
/* If this is an IPv6 wildcard socket, set IPV6_V6ONLY if that option is
available. */
printf("IPv4 socket creation failed: %s\n", strerror(errno));
exit(1);
}
+#ifdef TCP_FASTOPEN
+ if (tfo)
+ {
+ int backlog = 5;
+ if (setsockopt(listen_socket[v4n], IPPROTO_TCP, TCP_FASTOPEN,
+ &backlog, sizeof(backlog)))
+ if (debug) printf("setsockopt TCP_FASTOPEN: %s\n", strerror(errno));
+ }
+#endif
}
}
sin6.sin6_addr = anyaddr6;
if (bind(listen_socket[i], (struct sockaddr *)&sin6, sizeof(sin6)) < 0)
{
- printf("IPv6 socket bind() failed: %s\n", strerror(errno));
+ printf("IPv6 socket bind(port %d) failed: %s\n", port, strerror(errno));
exit(1);
}
}
sin4.sin_addr.s_addr = (S_ADDR_TYPE)INADDR_ANY;
sin4.sin_port = htons(port);
if (bind(listen_socket[i], (struct sockaddr *)&sin4, sizeof(sin4)) < 0)
- {
if (listen_socket[v6n] < 0 || errno != EADDRINUSE)
{
- printf("IPv4 socket bind() failed: %s\n", strerror(errno));
+ printf("IPv4 socket bind(port %d) failed: %s\n", port, strerror(errno));
exit(1);
}
else
close(listen_socket[i]);
listen_socket[i] = -1;
}
- }
}
}
}
}
+if (pidfile)
+ {
+ FILE * p;
+ if (!(p = fopen(pidfile, "w")))
+ {
+ fprintf(stderr, "pidfile create failed: %s\n", strerror(errno));
+ exit(1);
+ }
+ fprintf(p, "%ld\n", (long)getpid());
+ fclose(p);
+ }
+
/* This program handles only a fixed number of connections, in sequence. Before
waiting for the first connection, read the standard input, which contains the
script of things to do. A line containing "++++" is treated as end of file.
for (count = 0; count < connection_count; count++)
{
+ struct {
+ int left;
+ BOOL in_use;
+ } content_length = { 0, FALSE };
+
alarm(timeout);
if (port <= 0)
{
if (listen_socket[i] > max_socket) max_socket = listen_socket[i];
}
- lcount = select(max_socket + 1, &select_listen, NULL, NULL, NULL);
- if (lcount < 0)
+ if ((lcount = select(max_socket + 1, &select_listen, NULL, NULL, NULL)) < 0)
{
printf("Select failed\n");
fflush(stdout);
accept_socket = -1;
for (i = 0; i < skn; i++)
- {
if (listen_socket[i] > 0 && FD_ISSET(listen_socket[i], &select_listen))
{
accept_socket = accept(listen_socket[i],
FD_CLR(listen_socket[i], &select_listen);
break;
}
- }
}
alarm(0);
cr.pid, cr.uid, cr.gid);
--------------*****************/
}
+ fflush(stdout);
if (dup_accept_socket < 0)
{
doesn't work for other tests (e.g. ident tests) so we have explicit '<' and
'>' flags for input and output as well as the defaults. */
- for (; s != NULL; s = s->next)
+ for (; s; s = s->next)
{
char *ss = s->line;
sleep(sleepfor);
}
+ /* If the script line starts with "*data " we expect a numeric argument,
+ and we expect to read (and discard) that many data bytes from the input. */
+
+ else if (strncmp(ss, "*data ", 6) == 0)
+ {
+ int dlen = atoi(ss+6);
+ int n;
+
+ alarm(timeout);
+
+ if (!linebuf)
+ while (dlen > 0)
+ {
+ n = dlen < sizeof(buffer) ? dlen : sizeof(buffer);
+ if ((n = read(dup_accept_socket, CS buffer, n)) == 0)
+ {
+ printf("Unexpected EOF read from client\n");
+ s = s->next;
+ goto END_OFF;
+ }
+ dlen -= n;
+ }
+ else
+ while (dlen-- > 0)
+ if (fgetc(in) == EOF)
+ {
+ printf("Unexpected EOF read from client\n");
+ s = s->next;
+ goto END_OFF;
+ }
+ }
+
/* Otherwise the script line is the start of an input line we are expecting
from the client, or "*eof" indicating we expect the client to close the
connection. Read command line or data lines; the latter are indicated
alarm(timeout);
n = read(dup_accept_socket, CS buffer+offset, s->len - offset);
+ if (content_length.in_use) content_length.left -= n;
if (n == 0)
{
printf("%sxpected EOF read from client\n",
alarm(0);
n += offset;
- printit(buffer, n);
+ printit(CS buffer, n);
if (data) do
{
n = (read(dup_accept_socket, &c, 1) == 1 && c == '.');
+ if (content_length.in_use) content_length.left--;
while (c != '\n' && read(dup_accept_socket, &c, 1) == 1)
- ;
+ if (content_length.in_use) content_length.left--;
} while (!n);
else if (memcmp(ss, buffer, n) != 0)
{
goto END_OFF;
}
alarm(0);
- n = (int)strlen(CS buffer);
+ n = strlen(CS buffer);
+ if (content_length.in_use) content_length.left -= (n - offset);
while (n > 0 && isspace(buffer[n-1])) n--;
buffer[n] = 0;
printf("%s\n", buffer);
break;
}
}
+
+ if (sscanf(CCS buffer, "<Content-length: %d", &content_length.left))
+ content_length.in_use = TRUE;
+ if (content_length.in_use && content_length.left <= 0)
+ shutdown(dup_accept_socket, SHUT_RD);
}
}
if (s == NULL) printf("End of script\n");
-if (sockname != NULL) unlink(sockname);
+if (sockname) unlink(sockname);
exit(0);
}
git://git.exim.org / users / jgh / exim.git / blobdiff