summaryrefslogtreecommitdiffstats
path: root/src/gnutls-cli-options.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/gnutls-cli-options.c')
-rw-r--r--src/gnutls-cli-options.c813
1 files changed, 813 insertions, 0 deletions
diff --git a/src/gnutls-cli-options.c b/src/gnutls-cli-options.c
new file mode 100644
index 0000000..9e697bc
--- /dev/null
+++ b/src/gnutls-cli-options.c
@@ -0,0 +1,813 @@
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "gnutls-cli-options.h"
+#include <errno.h>
+#include <error.h>
+#include <getopt.h>
+#include <limits.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+#ifndef _WIN32
+#include <unistd.h>
+#endif /* !_WIN32 */
+#include <limits.h>
+
+struct gnutls_cli_options gnutls_cli_options;
+
+/* Copied from xsize.h in Gnulib */
+
+/* Sum of two sizes, with overflow check. */
+static inline size_t
+xsum (size_t size1, size_t size2)
+{
+ size_t sum = size1 + size2;
+ return (sum >= size1 ? sum : SIZE_MAX);
+}
+
+/* Check for overflow. */
+#define size_overflow_p(SIZE) ((SIZE) == SIZE_MAX)
+
+static void
+append_to_list (struct gnutls_cli_list *list,
+ const char *name, const char *arg)
+{
+ const char **tmp;
+ size_t new_count = xsum (list->count, 1);
+
+ if (size_overflow_p (new_count))
+ error (EXIT_FAILURE, 0, "too many arguments for %s",
+ name);
+
+ tmp = reallocarray (list->args, new_count, sizeof (char *));
+ if (!tmp)
+ error (EXIT_FAILURE, 0, "unable to allocate memory for %s",
+ name);
+
+ list->args = tmp;
+ list->args[list->count] = optarg;
+ list->count = new_count;
+}
+
+static long
+parse_number (const char *arg)
+{
+ char *endptr = NULL;
+ errno = 0;
+ long result;
+
+ if (strncmp (arg, "0x", 2) == 0)
+ result = strtol (arg + 2, &endptr, 16);
+ else if (strncmp (arg, "0", 1) == 0
+ && strspn (arg, "012345678") == strlen (optarg))
+ result = strtol (arg + 1, &endptr, 8);
+ else
+ result = strtol (arg, &endptr, 10);
+
+ if (errno != 0 || (endptr && *endptr != '\0'))
+ error (EXIT_FAILURE, errno, "'%s' is not a recognizable number.",
+ arg);
+
+ return result;
+}
+
+/* Long options. */
+static const struct option long_options[] =
+{
+ { "debug", required_argument, 0, 'd' },
+ { "verbose", no_argument, 0, 'V' },
+ { "tofu", no_argument, 0, CHAR_MAX + 1 },
+ { "no-tofu", no_argument, 0, CHAR_MAX + 2 },
+ { "strict-tofu", no_argument, 0, CHAR_MAX + 3 },
+ { "no-strict-tofu", no_argument, 0, CHAR_MAX + 4 },
+ { "dane", no_argument, 0, CHAR_MAX + 5 },
+ { "no-dane", no_argument, 0, CHAR_MAX + 6 },
+ { "local-dns", no_argument, 0, CHAR_MAX + 7 },
+ { "no-local-dns", no_argument, 0, CHAR_MAX + 8 },
+ { "ca-verification", no_argument, 0, CHAR_MAX + 9 },
+ { "no-ca-verification", no_argument, 0, CHAR_MAX + 10 },
+ { "ocsp", no_argument, 0, CHAR_MAX + 11 },
+ { "no-ocsp", no_argument, 0, CHAR_MAX + 12 },
+ { "resume", no_argument, 0, 'r' },
+ { "earlydata", required_argument, 0, CHAR_MAX + 13 },
+ { "rehandshake", no_argument, 0, 'e' },
+ { "sni-hostname", required_argument, 0, CHAR_MAX + 14 },
+ { "verify-hostname", required_argument, 0, CHAR_MAX + 15 },
+ { "starttls", no_argument, 0, 's' },
+ { "starttls-proto", required_argument, 0, CHAR_MAX + 17 },
+ { "app-proto", required_argument, 0, CHAR_MAX + 16 },
+ { "udp", no_argument, 0, 'u' },
+ { "mtu", required_argument, 0, CHAR_MAX + 18 },
+ { "crlf", no_argument, 0, CHAR_MAX + 19 },
+ { "fastopen", no_argument, 0, CHAR_MAX + 20 },
+ { "x509fmtder", no_argument, 0, CHAR_MAX + 21 },
+ { "print-cert", no_argument, 0, CHAR_MAX + 22 },
+ { "save-cert", required_argument, 0, CHAR_MAX + 23 },
+ { "save-ocsp", required_argument, 0, CHAR_MAX + 24 },
+ { "save-ocsp-multi", required_argument, 0, CHAR_MAX + 25 },
+ { "save-server-trace", required_argument, 0, CHAR_MAX + 26 },
+ { "save-client-trace", required_argument, 0, CHAR_MAX + 27 },
+ { "dh-bits", required_argument, 0, CHAR_MAX + 28 },
+ { "priority", required_argument, 0, CHAR_MAX + 29 },
+ { "x509cafile", required_argument, 0, CHAR_MAX + 30 },
+ { "x509crlfile", required_argument, 0, CHAR_MAX + 31 },
+ { "x509keyfile", required_argument, 0, CHAR_MAX + 32 },
+ { "x509certfile", required_argument, 0, CHAR_MAX + 33 },
+ { "rawpkkeyfile", required_argument, 0, CHAR_MAX + 34 },
+ { "rawpkfile", required_argument, 0, CHAR_MAX + 35 },
+ { "srpusername", required_argument, 0, CHAR_MAX + 36 },
+ { "srppasswd", required_argument, 0, CHAR_MAX + 37 },
+ { "pskusername", required_argument, 0, CHAR_MAX + 38 },
+ { "pskkey", required_argument, 0, CHAR_MAX + 39 },
+ { "port", required_argument, 0, 'p' },
+ { "insecure", no_argument, 0, CHAR_MAX + 40 },
+ { "verify-allow-broken", no_argument, 0, CHAR_MAX + 41 },
+ { "ranges", no_argument, 0, CHAR_MAX + 42 },
+ { "benchmark-ciphers", no_argument, 0, CHAR_MAX + 43 },
+ { "benchmark-tls-kx", no_argument, 0, CHAR_MAX + 44 },
+ { "benchmark-tls-ciphers", no_argument, 0, CHAR_MAX + 45 },
+ { "list", no_argument, 0, 'l' },
+ { "priority-list", no_argument, 0, CHAR_MAX + 46 },
+ { "noticket", no_argument, 0, CHAR_MAX + 47 },
+ { "srtp-profiles", required_argument, 0, CHAR_MAX + 48 },
+ { "alpn", required_argument, 0, CHAR_MAX + 49 },
+ { "compress-cert", required_argument, 0, CHAR_MAX + 50 },
+ { "heartbeat", no_argument, 0, 'b' },
+ { "recordsize", required_argument, 0, CHAR_MAX + 51 },
+ { "disable-sni", no_argument, 0, CHAR_MAX + 52 },
+ { "disable-extensions", no_argument, 0, CHAR_MAX + 53 },
+ { "single-key-share", no_argument, 0, CHAR_MAX + 54 },
+ { "post-handshake-auth", no_argument, 0, CHAR_MAX + 55 },
+ { "inline-commands", no_argument, 0, CHAR_MAX + 56 },
+ { "inline-commands-prefix", required_argument, 0, CHAR_MAX + 57 },
+ { "provider", required_argument, 0, CHAR_MAX + 58 },
+ { "fips140-mode", no_argument, 0, CHAR_MAX + 59 },
+ { "list-config", no_argument, 0, CHAR_MAX + 60 },
+ { "logfile", required_argument, 0, CHAR_MAX + 61 },
+ { "keymatexport", required_argument, 0, CHAR_MAX + 62 },
+ { "keymatexportsize", required_argument, 0, CHAR_MAX + 63 },
+ { "waitresumption", no_argument, 0, CHAR_MAX + 64 },
+ { "ca-auto-retrieve", no_argument, 0, CHAR_MAX + 65 },
+ { "no-ca-auto-retrieve", no_argument, 0, CHAR_MAX + 66 },
+ { "version", optional_argument, 0, 'v' },
+ { "help", no_argument, 0, 'h' },
+ { "more-help", no_argument, 0, '!' },
+ { 0, 0, 0, 0 }
+
+};
+
+int
+process_options (int argc, char **argv)
+{
+ struct gnutls_cli_options *opts = &gnutls_cli_options;
+ int opt;
+
+ opts->enabled.ca_verification = true;
+ while ((opt = getopt_long (argc, argv, "!Vbd:ehlp:rsuv:",
+ long_options, NULL)) != EOF)
+ switch (opt)
+ {
+ case '\0': /* Long option. */
+ break;
+ case 'd':
+ opts->present.debug = true;
+ opts->arg.debug = optarg;
+ opts->value.debug = parse_number(optarg);
+ opts->enabled.debug = true;
+ break;
+ case 'V':
+ opts->present.verbose = true;
+ opts->enabled.verbose = true;
+ break;
+ case CHAR_MAX + 1: /* --tofu */
+ opts->present.tofu = true;
+ opts->enabled.tofu = true;
+ break;
+ case CHAR_MAX + 2: /* --no-tofu */
+ opts->present.tofu = true;
+ opts->enabled.tofu = false;
+ break;
+ case CHAR_MAX + 3: /* --strict-tofu */
+ opts->present.strict_tofu = true;
+ opts->enabled.strict_tofu = true;
+ break;
+ case CHAR_MAX + 4: /* --no-strict-tofu */
+ opts->present.strict_tofu = true;
+ opts->enabled.strict_tofu = false;
+ break;
+ case CHAR_MAX + 5: /* --dane */
+ opts->present.dane = true;
+ opts->enabled.dane = true;
+ break;
+ case CHAR_MAX + 6: /* --no-dane */
+ opts->present.dane = true;
+ opts->enabled.dane = false;
+ break;
+ case CHAR_MAX + 7: /* --local-dns */
+ opts->present.local_dns = true;
+ opts->enabled.local_dns = true;
+ break;
+ case CHAR_MAX + 8: /* --no-local-dns */
+ opts->present.local_dns = true;
+ opts->enabled.local_dns = false;
+ break;
+ case CHAR_MAX + 9: /* --ca-verification */
+ opts->present.ca_verification = true;
+ opts->enabled.ca_verification = true;
+ break;
+ case CHAR_MAX + 10: /* --no-ca-verification */
+ opts->present.ca_verification = true;
+ opts->enabled.ca_verification = false;
+ break;
+ case CHAR_MAX + 11: /* --ocsp */
+ opts->present.ocsp = true;
+ opts->enabled.ocsp = true;
+ break;
+ case CHAR_MAX + 12: /* --no-ocsp */
+ opts->present.ocsp = true;
+ opts->enabled.ocsp = false;
+ break;
+ case 'r':
+ opts->present.resume = true;
+ opts->enabled.resume = true;
+ break;
+ case CHAR_MAX + 13: /* --earlydata */
+ opts->present.earlydata = true;
+ opts->arg.earlydata = optarg;
+ opts->enabled.earlydata = true;
+ break;
+ case 'e':
+ opts->present.rehandshake = true;
+ opts->enabled.rehandshake = true;
+ break;
+ case CHAR_MAX + 14: /* --sni-hostname */
+ opts->present.sni_hostname = true;
+ opts->arg.sni_hostname = optarg;
+ opts->enabled.sni_hostname = true;
+ break;
+ case CHAR_MAX + 15: /* --verify-hostname */
+ opts->present.verify_hostname = true;
+ opts->arg.verify_hostname = optarg;
+ opts->enabled.verify_hostname = true;
+ break;
+ case 's':
+ opts->present.starttls = true;
+ opts->enabled.starttls = true;
+ break;
+ case CHAR_MAX + 17: /* --starttls-proto */
+ case CHAR_MAX + 16: /* --app-proto */
+ opts->present.starttls_proto = true;
+ opts->arg.starttls_proto = optarg;
+ opts->enabled.starttls_proto = true;
+ break;
+ case 'u':
+ opts->present.udp = true;
+ opts->enabled.udp = true;
+ break;
+ case CHAR_MAX + 18: /* --mtu */
+ opts->present.mtu = true;
+ opts->arg.mtu = optarg;
+ opts->value.mtu = parse_number(optarg);
+ opts->enabled.mtu = true;
+ break;
+ case CHAR_MAX + 19: /* --crlf */
+ opts->present.crlf = true;
+ opts->enabled.crlf = true;
+ break;
+ case CHAR_MAX + 20: /* --fastopen */
+ opts->present.fastopen = true;
+ opts->enabled.fastopen = true;
+ break;
+ case CHAR_MAX + 21: /* --x509fmtder */
+ opts->present.x509fmtder = true;
+ opts->enabled.x509fmtder = true;
+ break;
+ case CHAR_MAX + 22: /* --print-cert */
+ opts->present.print_cert = true;
+ opts->enabled.print_cert = true;
+ break;
+ case CHAR_MAX + 23: /* --save-cert */
+ opts->present.save_cert = true;
+ opts->arg.save_cert = optarg;
+ opts->enabled.save_cert = true;
+ break;
+ case CHAR_MAX + 24: /* --save-ocsp */
+ opts->present.save_ocsp = true;
+ opts->arg.save_ocsp = optarg;
+ opts->enabled.save_ocsp = true;
+ break;
+ case CHAR_MAX + 25: /* --save-ocsp-multi */
+ opts->present.save_ocsp_multi = true;
+ opts->arg.save_ocsp_multi = optarg;
+ opts->enabled.save_ocsp_multi = true;
+ break;
+ case CHAR_MAX + 26: /* --save-server-trace */
+ opts->present.save_server_trace = true;
+ opts->arg.save_server_trace = optarg;
+ opts->enabled.save_server_trace = true;
+ break;
+ case CHAR_MAX + 27: /* --save-client-trace */
+ opts->present.save_client_trace = true;
+ opts->arg.save_client_trace = optarg;
+ opts->enabled.save_client_trace = true;
+ break;
+ case CHAR_MAX + 28: /* --dh-bits */
+ opts->present.dh_bits = true;
+ opts->arg.dh_bits = optarg;
+ opts->value.dh_bits = parse_number(optarg);
+ opts->enabled.dh_bits = true;
+ break;
+ case CHAR_MAX + 29: /* --priority */
+ opts->present.priority = true;
+ opts->arg.priority = optarg;
+ opts->enabled.priority = true;
+ break;
+ case CHAR_MAX + 30: /* --x509cafile */
+ opts->present.x509cafile = true;
+ opts->arg.x509cafile = optarg;
+ opts->enabled.x509cafile = true;
+ break;
+ case CHAR_MAX + 31: /* --x509crlfile */
+ opts->present.x509crlfile = true;
+ opts->arg.x509crlfile = optarg;
+ opts->enabled.x509crlfile = true;
+ break;
+ case CHAR_MAX + 32: /* --x509keyfile */
+ opts->present.x509keyfile = true;
+ opts->arg.x509keyfile = optarg;
+ opts->enabled.x509keyfile = true;
+ break;
+ case CHAR_MAX + 33: /* --x509certfile */
+ opts->present.x509certfile = true;
+ opts->arg.x509certfile = optarg;
+ opts->enabled.x509certfile = true;
+ break;
+ case CHAR_MAX + 34: /* --rawpkkeyfile */
+ opts->present.rawpkkeyfile = true;
+ opts->arg.rawpkkeyfile = optarg;
+ opts->enabled.rawpkkeyfile = true;
+ break;
+ case CHAR_MAX + 35: /* --rawpkfile */
+ opts->present.rawpkfile = true;
+ opts->arg.rawpkfile = optarg;
+ opts->enabled.rawpkfile = true;
+ break;
+ case CHAR_MAX + 36: /* --srpusername */
+ opts->present.srpusername = true;
+ opts->arg.srpusername = optarg;
+ opts->enabled.srpusername = true;
+ break;
+ case CHAR_MAX + 37: /* --srppasswd */
+ opts->present.srppasswd = true;
+ opts->arg.srppasswd = optarg;
+ opts->enabled.srppasswd = true;
+ break;
+ case CHAR_MAX + 38: /* --pskusername */
+ opts->present.pskusername = true;
+ opts->arg.pskusername = optarg;
+ opts->enabled.pskusername = true;
+ break;
+ case CHAR_MAX + 39: /* --pskkey */
+ opts->present.pskkey = true;
+ opts->arg.pskkey = optarg;
+ opts->enabled.pskkey = true;
+ break;
+ case 'p':
+ opts->present.port = true;
+ opts->arg.port = optarg;
+ opts->enabled.port = true;
+ break;
+ case CHAR_MAX + 40: /* --insecure */
+ opts->present.insecure = true;
+ opts->enabled.insecure = true;
+ break;
+ case CHAR_MAX + 41: /* --verify-allow-broken */
+ opts->present.verify_allow_broken = true;
+ opts->enabled.verify_allow_broken = true;
+ break;
+ case CHAR_MAX + 42: /* --ranges */
+ opts->present.ranges = true;
+ opts->enabled.ranges = true;
+ break;
+ case CHAR_MAX + 43: /* --benchmark-ciphers */
+ opts->present.benchmark_ciphers = true;
+ opts->enabled.benchmark_ciphers = true;
+ break;
+ case CHAR_MAX + 44: /* --benchmark-tls-kx */
+ opts->present.benchmark_tls_kx = true;
+ opts->enabled.benchmark_tls_kx = true;
+ break;
+ case CHAR_MAX + 45: /* --benchmark-tls-ciphers */
+ opts->present.benchmark_tls_ciphers = true;
+ opts->enabled.benchmark_tls_ciphers = true;
+ break;
+ case 'l':
+ opts->present.list = true;
+ opts->enabled.list = true;
+ break;
+ case CHAR_MAX + 46: /* --priority-list */
+ opts->present.priority_list = true;
+ opts->enabled.priority_list = true;
+ break;
+ case CHAR_MAX + 47: /* --noticket */
+ opts->present.noticket = true;
+ opts->enabled.noticket = true;
+ break;
+ case CHAR_MAX + 48: /* --srtp-profiles */
+ opts->present.srtp_profiles = true;
+ opts->arg.srtp_profiles = optarg;
+ opts->enabled.srtp_profiles = true;
+ break;
+ case CHAR_MAX + 49: /* --alpn */
+ opts->present.alpn = true;
+ append_to_list (&opts->list.alpn, "alpn", optarg);
+ opts->enabled.alpn = true;
+ break;
+ case CHAR_MAX + 50: /* --compress-cert */
+ opts->present.compress_cert = true;
+ append_to_list (&opts->list.compress_cert, "compress-cert", optarg);
+ opts->enabled.compress_cert = true;
+ break;
+ case 'b':
+ opts->present.heartbeat = true;
+ opts->enabled.heartbeat = true;
+ break;
+ case CHAR_MAX + 51: /* --recordsize */
+ opts->present.recordsize = true;
+ opts->arg.recordsize = optarg;
+ opts->value.recordsize = parse_number(optarg);
+ opts->enabled.recordsize = true;
+ break;
+ case CHAR_MAX + 52: /* --disable-sni */
+ opts->present.disable_sni = true;
+ opts->enabled.disable_sni = true;
+ break;
+ case CHAR_MAX + 53: /* --disable-extensions */
+ opts->present.disable_extensions = true;
+ opts->enabled.disable_extensions = true;
+ break;
+ case CHAR_MAX + 54: /* --single-key-share */
+ opts->present.single_key_share = true;
+ opts->enabled.single_key_share = true;
+ break;
+ case CHAR_MAX + 55: /* --post-handshake-auth */
+ opts->present.post_handshake_auth = true;
+ opts->enabled.post_handshake_auth = true;
+ break;
+ case CHAR_MAX + 56: /* --inline-commands */
+ opts->present.inline_commands = true;
+ opts->enabled.inline_commands = true;
+ break;
+ case CHAR_MAX + 57: /* --inline-commands-prefix */
+ opts->present.inline_commands_prefix = true;
+ opts->arg.inline_commands_prefix = optarg;
+ opts->enabled.inline_commands_prefix = true;
+ break;
+ case CHAR_MAX + 58: /* --provider */
+ opts->present.provider = true;
+ opts->arg.provider = optarg;
+ opts->enabled.provider = true;
+ break;
+ case CHAR_MAX + 59: /* --fips140-mode */
+ opts->present.fips140_mode = true;
+ opts->enabled.fips140_mode = true;
+ break;
+ case CHAR_MAX + 60: /* --list-config */
+ opts->present.list_config = true;
+ opts->enabled.list_config = true;
+ break;
+ case CHAR_MAX + 61: /* --logfile */
+ opts->present.logfile = true;
+ opts->arg.logfile = optarg;
+ opts->enabled.logfile = true;
+ break;
+ case CHAR_MAX + 62: /* --keymatexport */
+ opts->present.keymatexport = true;
+ opts->arg.keymatexport = optarg;
+ opts->enabled.keymatexport = true;
+ break;
+ case CHAR_MAX + 63: /* --keymatexportsize */
+ opts->present.keymatexportsize = true;
+ opts->arg.keymatexportsize = optarg;
+ opts->value.keymatexportsize = parse_number(optarg);
+ opts->enabled.keymatexportsize = true;
+ break;
+ case CHAR_MAX + 64: /* --waitresumption */
+ opts->present.waitresumption = true;
+ opts->enabled.waitresumption = true;
+ break;
+ case CHAR_MAX + 65: /* --ca-auto-retrieve */
+ opts->present.ca_auto_retrieve = true;
+ opts->enabled.ca_auto_retrieve = true;
+ break;
+ case CHAR_MAX + 66: /* --no-ca-auto-retrieve */
+ opts->present.ca_auto_retrieve = true;
+ opts->enabled.ca_auto_retrieve = false;
+ break;
+ case 'v':
+ opts->present.version = true;
+ opts->arg.version = optarg;
+ opts->enabled.version = true;
+ break;
+ case 'h':
+ opts->present.help = true;
+ opts->enabled.help = true;
+ break;
+ case '!':
+ opts->present.more_help = true;
+ opts->enabled.more_help = true;
+ break;
+ default:
+ usage (stderr, EXIT_FAILURE);
+ break;
+ }
+
+ if (HAVE_OPT(DEBUG) && OPT_VALUE_DEBUG < 0)
+ {
+ error (EXIT_FAILURE, 0, "%s option value %d is out of range.",
+ "debug", opts->value.debug);
+ }
+ if (HAVE_OPT(DEBUG) && OPT_VALUE_DEBUG > 9999)
+ {
+ error (EXIT_FAILURE, 0, "%s option value %d is out of range",
+ "debug", opts->value.debug);
+ }
+ if (HAVE_OPT(STARTTLS_PROTO) && HAVE_OPT(STARTTLS))
+ {
+ error (EXIT_FAILURE, 0, "the '%s' and '%s' options conflict",
+ "starttls-proto", "starttls");
+ }
+ if (HAVE_OPT(MTU) && OPT_VALUE_MTU < 0)
+ {
+ error (EXIT_FAILURE, 0, "%s option value %d is out of range.",
+ "mtu", opts->value.mtu);
+ }
+ if (HAVE_OPT(MTU) && OPT_VALUE_MTU > 17000)
+ {
+ error (EXIT_FAILURE, 0, "%s option value %d is out of range",
+ "mtu", opts->value.mtu);
+ }
+ if (HAVE_OPT(SAVE_OCSP) && HAVE_OPT(SAVE_OCSP_MULTI))
+ {
+ error (EXIT_FAILURE, 0, "the '%s' and '%s' options conflict",
+ "save-ocsp", "save_ocsp_multi");
+ }
+ if (HAVE_OPT(SAVE_OCSP_MULTI) && HAVE_OPT(SAVE_OCSP))
+ {
+ error (EXIT_FAILURE, 0, "the '%s' and '%s' options conflict",
+ "save-ocsp-multi", "save_ocsp");
+ }
+ if (HAVE_OPT(X509CERTFILE) && !HAVE_OPT(X509KEYFILE))
+ {
+ error (EXIT_FAILURE, 0, "%s option requires the %s options",
+ "x509certfile", "x509keyfile");
+ }
+ if (HAVE_OPT(RAWPKFILE) && !HAVE_OPT(RAWPKKEYFILE))
+ {
+ error (EXIT_FAILURE, 0, "%s option requires the %s options",
+ "rawpkfile", "rawpkkeyfile");
+ }
+ if (HAVE_OPT(LIST) && HAVE_OPT(PORT))
+ {
+ error (EXIT_FAILURE, 0, "the '%s' and '%s' options conflict",
+ "list", "port");
+ }
+ if (HAVE_OPT(RECORDSIZE) && OPT_VALUE_RECORDSIZE < 0)
+ {
+ error (EXIT_FAILURE, 0, "%s option value %d is out of range.",
+ "recordsize", opts->value.recordsize);
+ }
+ if (HAVE_OPT(RECORDSIZE) && OPT_VALUE_RECORDSIZE > 4096)
+ {
+ error (EXIT_FAILURE, 0, "%s option value %d is out of range",
+ "recordsize", opts->value.recordsize);
+ }
+
+
+ if (HAVE_OPT(HELP))
+ {
+ USAGE(0);
+ }
+
+ if (HAVE_OPT(MORE_HELP))
+#ifdef _WIN32
+ {
+ USAGE(0);
+ }
+#else /* _WIN32 */
+ {
+ pid_t pid;
+ int pfds[2];
+
+ if (pipe (pfds) < 0)
+ error (EXIT_FAILURE, errno, "pipe");
+
+ pid = fork ();
+ if (pid < 0)
+ error (EXIT_FAILURE, errno, "fork");
+
+ if (pid == 0)
+ {
+ close (pfds[0]);
+ dup2 (pfds[1], STDOUT_FILENO);
+ close (pfds[1]);
+
+ usage (stdout, 0);
+ }
+ else
+ {
+ const char *args[2];
+ const char *envvar;
+
+ close (pfds[1]);
+ dup2 (pfds[0], STDIN_FILENO);
+ close (pfds[0]);
+
+ envvar = secure_getenv ("PAGER");
+ if (!envvar || *envvar == '\0')
+ args[0] = "more";
+ else
+ args[0] = envvar;
+
+ args[1] = NULL;
+
+ execvp (args[0], (char * const *)args);
+
+ exit (EXIT_FAILURE);
+ }
+ }
+#endif /* !_WIN32 */
+
+ if (HAVE_OPT(VERSION))
+ {
+ if (!OPT_ARG_VERSION || !strcmp (OPT_ARG_VERSION, "c"))
+ {
+ const char str[] =
+ "gnutls-cli 3.7.9\n"
+ "Copyright (C) 2000-2021 Free Software Foundation, and others\n"
+ "This is free software. It is licensed for use, modification and\n"
+ "redistribution under the terms of the GNU General Public License,\n"
+ "version 3 or later <http://gnu.org/licenses/gpl.html>\n"
+ "\n"
+ "Please send bug reports to: <bugs@gnutls.org> \n";
+ fprintf (stdout, "%s", str);
+ exit(0);
+ }
+ else if (!strcmp (OPT_ARG_VERSION, "v"))
+ {
+ const char str[] =
+ "gnutls-cli 3.7.9\n";
+ fprintf (stdout, "%s", str);
+ exit(0);
+ }
+ else if (!strcmp (OPT_ARG_VERSION, "n"))
+ {
+ const char str[] =
+ "gnutls-cli 3.7.9\n"
+ "Copyright (C) 2000-2021 Free Software Foundation, and others\n"
+ "This is free software. It is licensed for use, modification and\n"
+ "redistribution under the terms of the GNU General Public License,\n"
+ "version 3 or later <http://gnu.org/licenses/gpl.html>\n"
+ "\n"
+ "gnutls is free software: you can redistribute it and/or\n"
+ "modify it under the terms of the GNU General Public License\n"
+ "as published by the Free Software Foundation,\n"
+ "either version 3 of the License, or (at your option) any later version.\n"
+ "\n"
+ "gnutls is distributed in the hope that it will be useful,\n"
+ "but WITHOUT ANY WARRANTY; without even the implied warranty\n"
+ "of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n"
+ "See the GNU General Public License for more details.\n"
+ "\n"
+ "You should have received a copy of the GNU General Public License\n"
+ "along with this program. If not, see <http://www.gnu.org/licenses/>.\n"
+ "\n"
+ "Please send bug reports to: <bugs@gnutls.org> \n";
+ fprintf (stdout, "%s", str);
+ exit(0);
+ }
+ else
+ {
+ error (EXIT_FAILURE, 0,
+ "version option argument 'a' invalid. Use:\n"
+ " 'v' - version only\n"
+ " 'c' - version and copyright\n"
+ " 'n' - version and full copyright notice");
+ }
+ }
+
+ return optind;
+}
+
+void
+usage (FILE *out, int status)
+{
+ const char str[] =
+ "gnutls-cli - GnuTLS client\n"
+ "Usage: gnutls-cli [ -<flag> [<val>] | --<name>[{=| }<val>] ]... [hostname]\n"
+ "\n"
+ "None:\n"
+ "\n"
+ " -d, --debug=num Enable debugging\n"
+ " - it must be in the range:\n"
+ " 0 to 9999\n"
+ " -V, --verbose More verbose output\n"
+ " --tofu Enable trust on first use authentication\n"
+ " --strict-tofu Fail to connect if a certificate is unknown or a known certificate has changed\n"
+ " --dane Enable DANE certificate verification (DNSSEC)\n"
+ " --local-dns Use the local DNS server for DNSSEC resolving\n"
+ " --ca-verification Enable CA certificate verification\n"
+ " - enabled by default\n"
+ " - disabled as '--no-ca-verification'\n"
+ " --ocsp Enable OCSP certificate verification\n"
+ " -r, --resume Establish a session and resume\n"
+ " --earlydata=str Send early data on resumption from the specified file\n"
+ " -e, --rehandshake Establish a session and rehandshake\n"
+ " --sni-hostname=str Server's hostname for server name indication extension\n"
+ " --verify-hostname=str Server's hostname to use for validation\n"
+ " -s, --starttls Connect, establish a plain session and start TLS\n"
+ " --app-proto an alias for the 'starttls-proto' option\n"
+ " --starttls-proto=str The application protocol to be used to obtain the server's certificate (https, ftp, smtp, imap, ldap, xmpp, lmtp, pop3, nntp, sieve, postgres)\n"
+ " - prohibits the option 'starttls'\n"
+ " -u, --udp Use DTLS (datagram TLS) over UDP\n"
+ " --mtu=num Set MTU for datagram TLS\n"
+ " - it must be in the range:\n"
+ " 0 to 17000\n"
+ " --crlf Send CR LF instead of LF\n"
+ " --fastopen Enable TCP Fast Open\n"
+ " --x509fmtder Use DER format for certificates to read from\n"
+ " --print-cert Print peer's certificate in PEM format\n"
+ " --save-cert=str Save the peer's certificate chain in the specified file in PEM format\n"
+ " --save-ocsp=str Save the peer's OCSP status response in the provided file\n"
+ " - prohibits the option 'save-ocsp-multi'\n"
+ " --save-ocsp-multi=str Save all OCSP responses provided by the peer in this file\n"
+ " - prohibits the option 'save-ocsp'\n"
+ " --save-server-trace=str Save the server-side TLS message trace in the provided file\n"
+ " --save-client-trace=str Save the client-side TLS message trace in the provided file\n"
+ " --dh-bits=num The minimum number of bits allowed for DH\n"
+ " --priority=str Priorities string\n"
+ " --x509cafile=str Certificate file or PKCS #11 URL to use\n"
+ " --x509crlfile=file CRL file to use\n"
+ " - file must pre-exist\n"
+ " --x509keyfile=str X.509 key file or PKCS #11 URL to use\n"
+ " --x509certfile=str X.509 Certificate file or PKCS #11 URL to use\n"
+ " - requires the option 'x509keyfile'\n"
+ " --rawpkkeyfile=str Private key file (PKCS #8 or PKCS #12) or PKCS #11 URL to use\n"
+ " --rawpkfile=str Raw public-key file to use\n"
+ " - requires the option 'rawpkkeyfile'\n"
+ " --srpusername=str SRP username to use\n"
+ " --srppasswd=str SRP password to use\n"
+ " --pskusername=str PSK username to use\n"
+ " --pskkey=str PSK key (in hex) to use\n"
+ " -p, --port=str The port or service to connect to\n"
+ " --insecure Don't abort program if server certificate can't be validated\n"
+ " --verify-allow-broken Allow broken algorithms, such as MD5 for certificate verification\n"
+ " --benchmark-ciphers Benchmark individual ciphers\n"
+ " --benchmark-tls-kx Benchmark TLS key exchange methods\n"
+ " --benchmark-tls-ciphers Benchmark TLS ciphers\n"
+ " -l, --list Print a list of the supported algorithms and modes\n"
+ " - prohibits the option 'port'\n"
+ " --priority-list Print a list of the supported priority strings\n"
+ " --noticket Don't allow session tickets\n"
+ " --srtp-profiles=str Offer SRTP profiles\n"
+ " --alpn=str Application layer protocol\n"
+ " --compress-cert=str Compress certificate\n"
+ " -b, --heartbeat Activate heartbeat support\n"
+ " --recordsize=num The maximum record size to advertise\n"
+ " - it must be in the range:\n"
+ " 0 to 4096\n"
+ " --disable-sni Do not send a Server Name Indication (SNI)\n"
+ " --single-key-share Send a single key share under TLS1.3\n"
+ " --post-handshake-auth Enable post-handshake authentication under TLS1.3\n"
+ " --inline-commands Inline commands of the form ^<cmd>^\n"
+ " --inline-commands-prefix=str Change the default delimiter for inline commands\n"
+ " --provider=file Specify the PKCS #11 provider library\n"
+ " - file must pre-exist\n"
+ " --fips140-mode Reports the status of the FIPS140-2 mode in gnutls library\n"
+ " --list-config Reports the configuration of the library\n"
+ " --logfile=str Redirect informational messages to a specific file\n"
+ " --keymatexport=str Label used for exporting keying material\n"
+ " --keymatexportsize=num Size of the exported keying material\n"
+ " --waitresumption Block waiting for the resumption data under TLS1.3\n"
+ " --ca-auto-retrieve Enable automatic retrieval of missing CA certificates\n"
+ "\n"
+ "Version, usage and configuration options:\n"
+ "\n"
+ " -v, --version[=arg] output version information and exit\n"
+ " -h, --help display extended usage information and exit\n"
+ " -!, --more-help extended usage information passed thru pager\n"
+ "\n"
+ "Options are specified by doubled hyphens and their name or by a single\n"
+ "hyphen and the flag character.\n"
+ "Operands and options may be intermixed. They will be reordered.\n"
+ "\n"
+ "Simple client program to set up a TLS connection to some other computer. \n"
+ "It sets up a TLS connection and forwards data from the standard input to the secured socket and vice versa.\n"
+ "\n"
+ "Please send bug reports to: <bugs@gnutls.org>\n"
+ "\n";
+ fprintf (out, "%s", str);
+ exit (status);
+}