diff options
Diffstat (limited to 'gg.c')
| -rw-r--r-- | gg.c | 200 |
1 files changed, 0 insertions, 200 deletions
@@ -1,200 +0,0 @@ -/* - * Copyright (c) 2021 Omar Polo <op@omarpolo.com> - * - * Permission to use, copy, modify, and distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR - * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN - * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF - * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - -#include "gmid.h" - -#include <string.h> - -int flag2, flag3, bflag, cflag, hflag, Nflag, Vflag, vflag; -const char *cert, *key; - -int -main(int argc, char **argv) -{ - struct iri iri; - struct tls_config *conf; - struct tls *ctx; - char iribuf[GEMINI_URL_LEN], buf[GEMINI_URL_LEN]; - const char *parse_err = "unknown error", *port = "1965"; - const char *hostname; - char *t; - int ch; - int handshake; - ssize_t len; - - hostname = NULL; - while ((ch = getopt(argc, argv, "23C:cbH:hK:NVv")) != -1) { - switch (ch) { - case '2': - flag2 = 1; - break; - case '3': - flag3 = 1; - break; - case 'b': - bflag = 1; - break; - case 'C': - cert = optarg; - break; - case 'c': - cflag = 1; - break; - case 'H': - hostname = optarg; - break; - case 'h': - hflag = 1; - break; - case 'K': - key = optarg; - break; - case 'N': - Nflag = 1; - break; - case 'V': - Vflag = 1; - break; - case 'v': - vflag = 1; - break; - default: - fprintf(stderr, "USAGE: %s [-23cbhNVv] [-H hostname]\n", - *argv); - return 1; - } - } - argc -= optind; - argv += optind; - - if ((bflag + cflag + hflag + Vflag) > 1) - errx(1, "only one of bchr flags can be used."); - - if (flag2 + flag3 > 1) - errx(1, "only -2 or -3 can be specified at the same time."); - - if ((cert != NULL && key == NULL) || (cert == NULL && key != NULL)) - errx(1, "missing certificate or key"); - - if (argc != 1) - errx(1, "missing IRI"); - - if (strlcpy(iribuf, argv[0], sizeof(iribuf)) >= sizeof(iribuf)) - errx(1, "request too long: %s", argv[0]); - if (strlcpy(buf, argv[0], sizeof(buf)) >= sizeof(iribuf)) - errx(1, "request too long: %s", argv[0]); - if (strlcat(buf, "\r\n", sizeof(buf)) >= sizeof(buf)) - errx(1, "request too long: %s", argv[0]); - - if (!parse_iri(iribuf, &iri, &parse_err)) - errx(1, "invalid IRI: %s", parse_err); - - if (Vflag) - errx(0, "IRI: OK"); - - if ((conf = tls_config_new()) == NULL) - errx(1, "tls_config_new"); - - tls_config_insecure_noverifycert(conf); - if (Nflag) - tls_config_insecure_noverifyname(conf); - - if (flag2 && tls_config_set_protocols(conf, TLS_PROTOCOL_TLSv1_2) == -1) - errx(1, "cannot set TLSv1.2"); - if (flag3 && tls_config_set_protocols(conf, TLS_PROTOCOL_TLSv1_3) == -1) - errx(1, "cannot set TLSv1.3"); - - if (cert != NULL && tls_config_set_keypair_file(conf, cert, key)) - errx(1, "couldn't load cert: %s", cert); - - if ((ctx = tls_client()) == NULL) - errx(1, "tls_client creation failed"); - - if (tls_configure(ctx, conf) == -1) - errx(1, "tls_configure: %s", tls_error(ctx)); - - if (*iri.port != '\0') - port = iri.port; - - if (hostname == NULL) - hostname = iri.host; - - if (tls_connect_servername(ctx, iri.host, port, hostname) == -1) - errx(1, "tls_connect: %s", tls_error(ctx)); - - for (handshake = 0; !handshake;) { - switch (tls_handshake(ctx)) { - case 0: - case -1: - handshake = 1; - break; - } - } - - if (vflag) - printf("%s", buf); - if (tls_write(ctx, buf, strlen(buf)) == -1) - errx(1, "tls_write: %s", tls_error(ctx)); - - for (;;) { - switch (len = tls_read(ctx, buf, sizeof(buf))) { - case 0: - case -1: - goto end; - case TLS_WANT_POLLIN: - case TLS_WANT_POLLOUT: - continue; - } - - if (bflag) { - bflag = 0; - if ((t = strchr(buf, '\r')) != NULL) - t += 2; - else if ((t = strchr(buf, '\n')) != NULL) - t += 1; - else - continue; - len -= t - buf; - write(1, t, len); - continue; - } - - if (cflag) { - write(1, buf, 2); - write(1, "\n", 1); - break; - } - - if (hflag) { - t = strchr(buf, '\r'); - if (t == NULL) - t = strchr(buf, '\n'); - if (t == NULL) - t = &buf[len]; - write(1, buf, t - buf); - write(1, "\n", 1); - break; - } - - write(1, buf, len); - } -end: - - tls_close(ctx); - tls_free(ctx); - - return 0; -} |