int
main(int argc, char * const* argv)
{
int status = EXIT_SUCCESS;
int c;
int idx = 0;
while ((c = getopt_long(argc, argv, "", compiler_opts, &idx)) != -1) {
switch (c) {
case 'v':
options.glsl_version = strtol(optarg, NULL, 10);
break;
default:
break;
}
}
if (argc <= optind)
usage_fail(argv[0]);
struct gl_shader_program *whole_program;
whole_program = standalone_compile_shader(&options, argc - optind, &argv[optind]);
if (!whole_program)
usage_fail(argv[0]);
standalone_compiler_cleanup(whole_program);
return status;
}
static void parse_host_and_port(const char *prog, const char *name, char *inp, int wildcard_okay, const char **ip, const char **port) {
char buf[150];
char *sp;
if (strlen(inp) >= sizeof buf) {
snprintf(buf, sizeof buf, "invalid option for %s HOST,PORT\n", name);
usage_fail(prog, buf);
}
sp = strchr(inp, ',');
if (!sp) {
snprintf(buf, sizeof buf, "invalid option for %s HOST,PORT\n", name);
usage_fail(prog, buf);
}
if (!strncmp(inp, "*", sp - inp)) {
if (!wildcard_okay) {
snprintf(buf, sizeof buf, "wildcard host specification invalid for %s\n", name);
usage_fail(prog, buf);
}
*ip = NULL;
}
else {
*sp = 0;
*ip = inp;
}
*port = sp + 1;
}
/* Handle command line arguments modifying behavior */
static void parse_cli(int argc, char **argv) {
const char *prog = argv[0];
static int tls = 0, ssl = 0;
int c;
struct passwd* passwd;
static struct option long_options[] =
{
{"tls", 0, &tls, 1},
{"ssl", 0, &ssl, 1},
{"write-ip", 0, &OPTIONS.WRITE_IP_OCTET, 1},
{"write-proxy", 0, &OPTIONS.WRITE_PROXY_LINE, 1},
{0, 0, 0, 0}
};
while (1) {
int option_index = 0;
c = getopt_long(argc, argv, "hf:b:n:c:u:r:B:C:q",
long_options, &option_index);
if (c == -1)
break;
switch (c) {
case 0:
break;
case 'n':
errno = 0;
OPTIONS.NCORES = strtol(optarg, NULL, 10);
if ((errno == ERANGE &&
(OPTIONS.NCORES == LONG_MAX || OPTIONS.NCORES == LONG_MIN)) ||
OPTIONS.NCORES < 1 || OPTIONS.NCORES > 128) {
usage_fail(prog, "invalid option for -n CORES; please provide an integer between 1 and 128\n");
}
break;
case 'b':
parse_host_and_port(prog, "-b", optarg, 0, &(OPTIONS.BACK_IP), &(OPTIONS.BACK_PORT));
break;
case 'f':
parse_host_and_port(prog, "-f", optarg, 1, &(OPTIONS.FRONT_IP), &(OPTIONS.FRONT_PORT));
break;
case 'c':
OPTIONS.CIPHER_SUITE = optarg;
break;
case 'u':
passwd = getpwnam(optarg);
if (!passwd) {
if (errno)
fail("getpwnam failed");
else
ERR("user not found: %s\n", optarg);
exit(1);
}
OPTIONS.UID = passwd->pw_uid;
OPTIONS.GID = passwd->pw_gid;
break;
case 'r':
if (optarg && optarg[0] == '/')
OPTIONS.CHROOT = optarg;
else {
ERR("chroot must be absolute path: \"%s\"\n", optarg);
exit(1);
}
break;
case 'B':
OPTIONS.BACKLOG = atoi(optarg);
if ( OPTIONS.BACKLOG <= 0 ) {
ERR("listen backlog can not be set to %d\n", OPTIONS.BACKLOG);
exit(1);
}
break;
#ifdef USE_SHARED_CACHE
case 'C':
OPTIONS.SHARED_CACHE = atoi(optarg);
if ( OPTIONS.SHARED_CACHE < 0 ) {
ERR("shared cache size can not be set to %d\n", OPTIONS.SHARED_CACHE);
exit(1);
}
break;
#endif
case 'q':
OPTIONS.QUIET = 1;
break;
default:
usage_fail(prog, NULL);
}
}
/* Post-processing */
if (tls && ssl)
usage_fail(prog, "Cannot specify both --tls and --ssl");
if (ssl)
OPTIONS.ETYPE = ENC_SSL; // implied.. else, TLS
if (OPTIONS.WRITE_IP_OCTET && OPTIONS.WRITE_PROXY_LINE)
usage_fail(prog, "Cannot specify both --write-ip and --write-proxy; pick one!");
argc -= optind;
argv += optind;
if (argc != 1)
usage_fail(prog, "exactly one argument is required: path to PEM file with cert/key");
OPTIONS.CERT_FILE = argv[0];
}
/* Handle command line arguments modifying behavior */
static void parse_cli(int argc, char **argv) {
char *prog = argv[0];
OPTIONS.FRONT_IP = NULL;
OPTIONS.FRONT_PORT = "8443";
OPTIONS.BACK_IP = "127.0.0.1";
OPTIONS.BACK_PORT = "8000";
OPTIONS.ETYPE = ENC_TLS;
OPTIONS.NCORES = 1;
OPTIONS.WRITE_IP_OCTET = 0;
OPTIONS.CIPHER_SUITE = NULL;
static int tls = 0, ssl = 0, writeip = 0;
int c;
static struct option long_options[] =
{
{"tls", 0, &tls, 1},
{"ssl", 0, &ssl, 1},
{"write-ip", 0, &writeip, 1},
{0, 0, 0, 0}
};
while (1) {
int option_index = 0;
c = getopt_long(argc, argv, "hf:b:n:c:",
long_options, &option_index);
if (c == -1)
break;
switch (c) {
case 0:
break;
case 'n':
OPTIONS.NCORES = strtol(optarg, NULL, 10);
if (errno || OPTIONS.NCORES < 1 || OPTIONS.NCORES > 128)
usage_fail(prog, "invalid option for -n CORES; please provide an integer between 1 and 128\n");
break;
case 'b':
parse_host_and_port(prog, "-b", optarg, 0, &(OPTIONS.BACK_IP), &(OPTIONS.BACK_PORT));
break;
case 'f':
parse_host_and_port(prog, "-f", optarg, 1, &(OPTIONS.FRONT_IP), &(OPTIONS.FRONT_PORT));
break;
case 'c':
OPTIONS.CIPHER_SUITE = optarg;
break;
default:
usage_fail(prog, NULL);
}
}
/* Post-processing */
if (tls && ssl)
usage_fail(prog, "Cannot specify both --tls and --ssl");
if (ssl)
OPTIONS.ETYPE = ENC_SSL; // implied.. else, TLS
if (writeip)
OPTIONS.WRITE_IP_OCTET = 1;
argc -= optind;
argv += optind;
if (argc != 1)
usage_fail(prog, "exactly one argument is required: path to PEM file with cert/key");
OPTIONS.CERT_FILE = argv[0];
}
