1 a596b957 2022-07-14 tracey /*
   2 a596b957 2022-07-14 tracey  * Copyright (c) 2016, 2019, 2020-2022 Tracey Emery <tracey@traceyemery.net>
   3 a596b957 2022-07-14 tracey  * Copyright (c) 2015 Mike Larkin <mlarkin@openbsd.org>
   4 58381f70 2022-09-03 op  * Copyright (c) 2014 Reyk Floeter <reyk@openbsd.org>
   5 a596b957 2022-07-14 tracey  * Copyright (c) 2013 David Gwynne <dlg@openbsd.org>
   6 a596b957 2022-07-14 tracey  * Copyright (c) 2013 Florian Obser <florian@openbsd.org>
   7 a596b957 2022-07-14 tracey  *
   8 a596b957 2022-07-14 tracey  * Permission to use, copy, modify, and distribute this software for any
   9 a596b957 2022-07-14 tracey  * purpose with or without fee is hereby granted, provided that the above
  10 a596b957 2022-07-14 tracey  * copyright notice and this permission notice appear in all copies.
  11 a596b957 2022-07-14 tracey  *
  12 a596b957 2022-07-14 tracey  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  13 a596b957 2022-07-14 tracey  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  14 a596b957 2022-07-14 tracey  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  15 a596b957 2022-07-14 tracey  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  16 a596b957 2022-07-14 tracey  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  17 a596b957 2022-07-14 tracey  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  18 a596b957 2022-07-14 tracey  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  19 a596b957 2022-07-14 tracey  */
  20 a596b957 2022-07-14 tracey 
  21 a596b957 2022-07-14 tracey #include <net/if.h>
  22 a596b957 2022-07-14 tracey #include <netinet/in.h>
  23 b4c20a19 2022-07-15 naddy #include <sys/queue.h>
  24 a596b957 2022-07-14 tracey #include <sys/stat.h>
  25 a596b957 2022-07-14 tracey #include <sys/types.h>
  26 a596b957 2022-07-14 tracey 
  27 58381f70 2022-09-03 op #include <ctype.h>
  28 a596b957 2022-07-14 tracey #include <dirent.h>
  29 a596b957 2022-07-14 tracey #include <errno.h>
  30 a596b957 2022-07-14 tracey #include <event.h>
  31 3b81530f 2022-11-22 op #include <fcntl.h>
  32 a596b957 2022-07-14 tracey #include <imsg.h>
  33 a596b957 2022-07-14 tracey #include <sha1.h>
  34 69c6accf 2023-02-04 op #include <sha2.h>
  35 a596b957 2022-07-14 tracey #include <stdio.h>
  36 a596b957 2022-07-14 tracey #include <stdlib.h>
  37 a596b957 2022-07-14 tracey #include <string.h>
  38 a596b957 2022-07-14 tracey #include <unistd.h>
  39 a596b957 2022-07-14 tracey 
  40 a596b957 2022-07-14 tracey #include "got_error.h"
  41 a596b957 2022-07-14 tracey #include "got_object.h"
  42 a596b957 2022-07-14 tracey #include "got_reference.h"
  43 a596b957 2022-07-14 tracey #include "got_repository.h"
  44 a596b957 2022-07-14 tracey #include "got_path.h"
  45 a596b957 2022-07-14 tracey #include "got_cancel.h"
  46 a596b957 2022-07-14 tracey #include "got_worktree.h"
  47 a596b957 2022-07-14 tracey #include "got_diff.h"
  48 a596b957 2022-07-14 tracey #include "got_commit_graph.h"
  49 a596b957 2022-07-14 tracey #include "got_blame.h"
  50 a596b957 2022-07-14 tracey #include "got_privsep.h"
  51 a596b957 2022-07-14 tracey 
  52 a596b957 2022-07-14 tracey #include "proc.h"
  53 a596b957 2022-07-14 tracey #include "gotwebd.h"
  54 1abb18e1 2022-12-20 op #include "tmpl.h"
  55 a596b957 2022-07-14 tracey 
  56 a596b957 2022-07-14 tracey static const struct querystring_keys querystring_keys[] = {
  57 a596b957 2022-07-14 tracey 	{ "action",		ACTION },
  58 a596b957 2022-07-14 tracey 	{ "commit",		COMMIT },
  59 a596b957 2022-07-14 tracey 	{ "file",		RFILE },
  60 a596b957 2022-07-14 tracey 	{ "folder",		FOLDER },
  61 a596b957 2022-07-14 tracey 	{ "headref",		HEADREF },
  62 a596b957 2022-07-14 tracey 	{ "index_page",		INDEX_PAGE },
  63 a596b957 2022-07-14 tracey 	{ "path",		PATH },
  64 a596b957 2022-07-14 tracey 	{ "page",		PAGE },
  65 a596b957 2022-07-14 tracey };
  66 a596b957 2022-07-14 tracey 
  67 a596b957 2022-07-14 tracey static const struct action_keys action_keys[] = {
  68 a596b957 2022-07-14 tracey 	{ "blame",	BLAME },
  69 a596b957 2022-07-14 tracey 	{ "blob",	BLOB },
  70 298f95fb 2023-01-05 op 	{ "blobraw",	BLOBRAW },
  71 a596b957 2022-07-14 tracey 	{ "briefs",	BRIEFS },
  72 a596b957 2022-07-14 tracey 	{ "commits",	COMMITS },
  73 a596b957 2022-07-14 tracey 	{ "diff",	DIFF },
  74 a596b957 2022-07-14 tracey 	{ "error",	ERR },
  75 a596b957 2022-07-14 tracey 	{ "index",	INDEX },
  76 a596b957 2022-07-14 tracey 	{ "summary",	SUMMARY },
  77 a596b957 2022-07-14 tracey 	{ "tag",	TAG },
  78 a596b957 2022-07-14 tracey 	{ "tags",	TAGS },
  79 a596b957 2022-07-14 tracey 	{ "tree",	TREE },
  80 1abb18e1 2022-12-20 op 	{ "rss",	RSS },
  81 a596b957 2022-07-14 tracey };
  82 a596b957 2022-07-14 tracey 
  83 a596b957 2022-07-14 tracey static const struct got_error *gotweb_init_querystring(struct querystring **);
  84 a596b957 2022-07-14 tracey static const struct got_error *gotweb_parse_querystring(struct querystring **,
  85 a596b957 2022-07-14 tracey     char *);
  86 a596b957 2022-07-14 tracey static const struct got_error *gotweb_assign_querystring(struct querystring **,
  87 a596b957 2022-07-14 tracey     char *, char *);
  88 a596b957 2022-07-14 tracey static const struct got_error *gotweb_render_index(struct request *);
  89 a596b957 2022-07-14 tracey static const struct got_error *gotweb_init_repo_dir(struct repo_dir **,
  90 a596b957 2022-07-14 tracey     const char *);
  91 a596b957 2022-07-14 tracey static const struct got_error *gotweb_load_got_path(struct request *c,
  92 a596b957 2022-07-14 tracey     struct repo_dir *);
  93 a596b957 2022-07-14 tracey static const struct got_error *gotweb_get_repo_description(char **,
  94 3b81530f 2022-11-22 op     struct server *, const char *, int);
  95 a596b957 2022-07-14 tracey static const struct got_error *gotweb_get_clone_url(char **, struct server *,
  96 3b81530f 2022-11-22 op     const char *, int);
  97 ed619ca0 2022-12-14 op 
  98 a596b957 2022-07-14 tracey static void gotweb_free_querystring(struct querystring *);
  99 a596b957 2022-07-14 tracey static void gotweb_free_repo_dir(struct repo_dir *);
 100 a596b957 2022-07-14 tracey 
 101 95a4a5a1 2022-08-30 op struct server *gotweb_get_server(uint8_t *, uint8_t *);
 102 a596b957 2022-07-14 tracey 
 103 6cdf29f9 2023-01-21 op static int
 104 6cdf29f9 2023-01-21 op gotweb_reply(struct request *c, int status, const char *ctype,
 105 6cdf29f9 2023-01-21 op     struct gotweb_url *location)
 106 6cdf29f9 2023-01-21 op {
 107 6cdf29f9 2023-01-21 op 	const char	*csp;
 108 6cdf29f9 2023-01-21 op 
 109 6cdf29f9 2023-01-21 op 	if (status != 200 && fcgi_printf(c, "Status: %d\r\n", status) == -1)
 110 6cdf29f9 2023-01-21 op 		return -1;
 111 6cdf29f9 2023-01-21 op 
 112 6cdf29f9 2023-01-21 op 	if (location) {
 113 6cdf29f9 2023-01-21 op 		if (fcgi_puts(c->tp, "Location: ") == -1 ||
 114 6cdf29f9 2023-01-21 op 		    gotweb_render_url(c, location) == -1 ||
 115 6cdf29f9 2023-01-21 op 		    fcgi_puts(c->tp, "\r\n") == -1)
 116 6cdf29f9 2023-01-21 op 			return -1;
 117 6cdf29f9 2023-01-21 op 	}
 118 6cdf29f9 2023-01-21 op 
 119 6cdf29f9 2023-01-21 op 	csp = "Content-Security-Policy: default-src 'self'; "
 120 6cdf29f9 2023-01-21 op 	    "script-src 'none'; object-src 'none';\r\n";
 121 6cdf29f9 2023-01-21 op 	if (fcgi_puts(c->tp, csp) == -1)
 122 6cdf29f9 2023-01-21 op 		return -1;
 123 6cdf29f9 2023-01-21 op 
 124 6cdf29f9 2023-01-21 op 	if (ctype && fcgi_printf(c, "Content-Type: %s\r\n", ctype) == -1)
 125 6cdf29f9 2023-01-21 op 		return -1;
 126 6cdf29f9 2023-01-21 op 
 127 6cdf29f9 2023-01-21 op 	return fcgi_puts(c->tp, "\r\n");
 128 6cdf29f9 2023-01-21 op }
 129 6cdf29f9 2023-01-21 op 
 130 6cdf29f9 2023-01-21 op static int
 131 6cdf29f9 2023-01-21 op gotweb_reply_file(struct request *c, const char *ctype, const char *file,
 132 6cdf29f9 2023-01-21 op     const char *suffix)
 133 6cdf29f9 2023-01-21 op {
 134 6cdf29f9 2023-01-21 op 	int r;
 135 6cdf29f9 2023-01-21 op 
 136 6cdf29f9 2023-01-21 op 	r = fcgi_printf(c, "Content-Disposition: attachment; "
 137 6cdf29f9 2023-01-21 op 	    "filename=%s%s\r\n", file, suffix ? suffix : "");
 138 6cdf29f9 2023-01-21 op 	if (r == -1)
 139 6cdf29f9 2023-01-21 op 		return -1;
 140 6cdf29f9 2023-01-21 op 	return gotweb_reply(c, 200, ctype, NULL);
 141 6cdf29f9 2023-01-21 op }
 142 6cdf29f9 2023-01-21 op 
 143 a596b957 2022-07-14 tracey void
 144 a596b957 2022-07-14 tracey gotweb_process_request(struct request *c)
 145 a596b957 2022-07-14 tracey {
 146 a596b957 2022-07-14 tracey 	const struct got_error *error = NULL, *error2 = NULL;
 147 298f95fb 2023-01-05 op 	struct got_blob_object *blob = NULL;
 148 a596b957 2022-07-14 tracey 	struct server *srv = NULL;
 149 a596b957 2022-07-14 tracey 	struct querystring *qs = NULL;
 150 a596b957 2022-07-14 tracey 	struct repo_dir *repo_dir = NULL;
 151 69525b4e 2023-01-13 op 	struct got_reflist_head refs;
 152 587550a5 2023-01-10 op 	FILE *fp = NULL;
 153 a596b957 2022-07-14 tracey 	uint8_t err[] = "gotwebd experienced an error: ";
 154 298f95fb 2023-01-05 op 	int r, html = 0, fd = -1;
 155 69525b4e 2023-01-13 op 
 156 69525b4e 2023-01-13 op 	TAILQ_INIT(&refs);
 157 a596b957 2022-07-14 tracey 
 158 a596b957 2022-07-14 tracey 	/* init the transport */
 159 a596b957 2022-07-14 tracey 	error = gotweb_init_transport(&c->t);
 160 a596b957 2022-07-14 tracey 	if (error) {
 161 a596b957 2022-07-14 tracey 		log_warnx("%s: %s", __func__, error->msg);
 162 f0680473 2022-08-25 op 		return;
 163 a596b957 2022-07-14 tracey 	}
 164 a596b957 2022-07-14 tracey 	/* don't process any further if client disconnected */
 165 a596b957 2022-07-14 tracey 	if (c->sock->client_status == CLIENT_DISCONNECT)
 166 a596b957 2022-07-14 tracey 		return;
 167 a596b957 2022-07-14 tracey 	/* get the gotwebd server */
 168 95a4a5a1 2022-08-30 op 	srv = gotweb_get_server(c->server_name, c->http_host);
 169 a596b957 2022-07-14 tracey 	if (srv == NULL) {
 170 a596b957 2022-07-14 tracey 		log_warnx("%s: error server is NULL", __func__);
 171 a596b957 2022-07-14 tracey 		goto err;
 172 a596b957 2022-07-14 tracey 	}
 173 a596b957 2022-07-14 tracey 	c->srv = srv;
 174 a596b957 2022-07-14 tracey 	/* parse our querystring */
 175 a596b957 2022-07-14 tracey 	error = gotweb_init_querystring(&qs);
 176 a596b957 2022-07-14 tracey 	if (error) {
 177 a596b957 2022-07-14 tracey 		log_warnx("%s: %s", __func__, error->msg);
 178 a596b957 2022-07-14 tracey 		goto err;
 179 a596b957 2022-07-14 tracey 	}
 180 a596b957 2022-07-14 tracey 	c->t->qs = qs;
 181 a596b957 2022-07-14 tracey 	error = gotweb_parse_querystring(&qs, c->querystring);
 182 a596b957 2022-07-14 tracey 	if (error) {
 183 a596b957 2022-07-14 tracey 		log_warnx("%s: %s", __func__, error->msg);
 184 a596b957 2022-07-14 tracey 		goto err;
 185 a596b957 2022-07-14 tracey 	}
 186 a596b957 2022-07-14 tracey 
 187 a596b957 2022-07-14 tracey 	/*
 188 a596b957 2022-07-14 tracey 	 * certain actions require a commit id in the querystring. this stops
 189 a596b957 2022-07-14 tracey 	 * bad actors from exploiting this by manually manipulating the
 190 a596b957 2022-07-14 tracey 	 * querystring.
 191 a596b957 2022-07-14 tracey 	 */
 192 a596b957 2022-07-14 tracey 
 193 298f95fb 2023-01-05 op 	if (qs->action == BLAME || qs->action == BLOB ||
 194 298f95fb 2023-01-05 op 	    qs->action == BLOBRAW || qs->action == DIFF) {
 195 298f95fb 2023-01-05 op 		if (qs->commit == NULL) {
 196 298f95fb 2023-01-05 op 			error2 = got_error(GOT_ERR_QUERYSTRING);
 197 298f95fb 2023-01-05 op 			goto render;
 198 298f95fb 2023-01-05 op 		}
 199 a596b957 2022-07-14 tracey 	}
 200 a596b957 2022-07-14 tracey 
 201 a596b957 2022-07-14 tracey 	if (qs->action != INDEX) {
 202 a596b957 2022-07-14 tracey 		error = gotweb_init_repo_dir(&repo_dir, qs->path);
 203 a596b957 2022-07-14 tracey 		if (error)
 204 a596b957 2022-07-14 tracey 			goto done;
 205 a596b957 2022-07-14 tracey 		error = gotweb_load_got_path(c, repo_dir);
 206 a596b957 2022-07-14 tracey 		c->t->repo_dir = repo_dir;
 207 a596b957 2022-07-14 tracey 		if (error && error->code != GOT_ERR_LONELY_PACKIDX)
 208 a596b957 2022-07-14 tracey 			goto err;
 209 a596b957 2022-07-14 tracey 	}
 210 a596b957 2022-07-14 tracey 
 211 298f95fb 2023-01-05 op 	if (qs->action == BLOBRAW) {
 212 76007998 2023-01-15 op 		const uint8_t *buf;
 213 76007998 2023-01-15 op 		size_t len;
 214 6cdf29f9 2023-01-21 op 		int binary, r;
 215 76007998 2023-01-15 op 
 216 a596b957 2022-07-14 tracey 		error = got_get_repo_commits(c, 1);
 217 a596b957 2022-07-14 tracey 		if (error)
 218 a596b957 2022-07-14 tracey 			goto done;
 219 76007998 2023-01-15 op 
 220 76007998 2023-01-15 op 		error2 = got_open_blob_for_output(&blob, &fd, &binary, c);
 221 76007998 2023-01-15 op 		if (error2)
 222 76007998 2023-01-15 op 			goto render;
 223 76007998 2023-01-15 op 
 224 76007998 2023-01-15 op 		if (binary)
 225 6cdf29f9 2023-01-21 op 			r = gotweb_reply_file(c, "application/octet-stream",
 226 6cdf29f9 2023-01-21 op 			    qs->file, NULL);
 227 76007998 2023-01-15 op 		else
 228 6cdf29f9 2023-01-21 op 			r = gotweb_reply(c, 200, "text/plain", NULL);
 229 6cdf29f9 2023-01-21 op 		if (r == -1)
 230 76007998 2023-01-15 op 			goto done;
 231 76007998 2023-01-15 op 
 232 76007998 2023-01-15 op 		for (;;) {
 233 76007998 2023-01-15 op 			error = got_object_blob_read_block(&len, blob);
 234 76007998 2023-01-15 op 			if (error)
 235 76007998 2023-01-15 op 				goto done;
 236 76007998 2023-01-15 op 			if (len == 0)
 237 76007998 2023-01-15 op 				break;
 238 76007998 2023-01-15 op 			buf = got_object_blob_get_read_buf(blob);
 239 76007998 2023-01-15 op 			if (fcgi_gen_binary_response(c, buf, len) == -1)
 240 76007998 2023-01-15 op 				goto done;
 241 1abb18e1 2022-12-20 op 		}
 242 76007998 2023-01-15 op 
 243 1abb18e1 2022-12-20 op 		goto done;
 244 298f95fb 2023-01-05 op 	}
 245 298f95fb 2023-01-05 op 
 246 298f95fb 2023-01-05 op 	if (qs->action == BLOB) {
 247 298f95fb 2023-01-05 op 		int binary;
 248 298f95fb 2023-01-05 op 		struct gotweb_url url = {
 249 298f95fb 2023-01-05 op 			.index_page = -1,
 250 298f95fb 2023-01-05 op 			.page = -1,
 251 298f95fb 2023-01-05 op 			.action = BLOBRAW,
 252 298f95fb 2023-01-05 op 			.path = qs->path,
 253 298f95fb 2023-01-05 op 			.commit = qs->commit,
 254 298f95fb 2023-01-05 op 			.folder = qs->folder,
 255 298f95fb 2023-01-05 op 			.file = qs->file,
 256 298f95fb 2023-01-05 op 		};
 257 298f95fb 2023-01-05 op 
 258 298f95fb 2023-01-05 op 		error = got_get_repo_commits(c, 1);
 259 298f95fb 2023-01-05 op 		if (error)
 260 298f95fb 2023-01-05 op 			goto done;
 261 298f95fb 2023-01-05 op 
 262 298f95fb 2023-01-05 op 		error2 = got_open_blob_for_output(&blob, &fd, &binary, c);
 263 298f95fb 2023-01-05 op 		if (error2)
 264 298f95fb 2023-01-05 op 			goto render;
 265 298f95fb 2023-01-05 op 		if (binary) {
 266 6cdf29f9 2023-01-21 op 			gotweb_reply(c, 302, NULL, &url);
 267 298f95fb 2023-01-05 op 			goto done;
 268 298f95fb 2023-01-05 op 		}
 269 1abb18e1 2022-12-20 op 	}
 270 1abb18e1 2022-12-20 op 
 271 1abb18e1 2022-12-20 op 	if (qs->action == RSS) {
 272 6cdf29f9 2023-01-21 op 		const char *ctype = "application/rss+xml;charset=utf-8";
 273 1abb18e1 2022-12-20 op 
 274 6cdf29f9 2023-01-21 op 		if (gotweb_reply_file(c, ctype, repo_dir->name, ".rss") == -1)
 275 6cdf29f9 2023-01-21 op 			goto done;
 276 6cdf29f9 2023-01-21 op 
 277 1abb18e1 2022-12-20 op 		error = got_get_repo_tags(c, D_MAXSLCOMMDISP);
 278 a596b957 2022-07-14 tracey 		if (error) {
 279 a596b957 2022-07-14 tracey 			log_warnx("%s: %s", __func__, error->msg);
 280 a596b957 2022-07-14 tracey 			goto err;
 281 a596b957 2022-07-14 tracey 		}
 282 1abb18e1 2022-12-20 op 		if (gotweb_render_rss(c->tp) == -1)
 283 1abb18e1 2022-12-20 op 			goto err;
 284 a596b957 2022-07-14 tracey 		goto done;
 285 6970304f 2022-12-04 op 	}
 286 6970304f 2022-12-04 op 
 287 6970304f 2022-12-04 op render:
 288 6cdf29f9 2023-01-21 op 	if (gotweb_reply(c, 200, "text/html", NULL) == -1)
 289 6cdf29f9 2023-01-21 op 		goto done;
 290 6970304f 2022-12-04 op 	html = 1;
 291 a596b957 2022-07-14 tracey 
 292 ed619ca0 2022-12-14 op 	if (gotweb_render_header(c->tp) == -1)
 293 a596b957 2022-07-14 tracey 		goto err;
 294 a596b957 2022-07-14 tracey 
 295 a596b957 2022-07-14 tracey 	if (error2) {
 296 a596b957 2022-07-14 tracey 		error = error2;
 297 a596b957 2022-07-14 tracey 		goto err;
 298 a596b957 2022-07-14 tracey 	}
 299 a596b957 2022-07-14 tracey 
 300 a596b957 2022-07-14 tracey 	switch(qs->action) {
 301 a596b957 2022-07-14 tracey 	case BLAME:
 302 8319855f 2023-01-15 op 		error = got_get_repo_commits(c, 1);
 303 a596b957 2022-07-14 tracey 		if (error) {
 304 a596b957 2022-07-14 tracey 			log_warnx("%s: %s", __func__, error->msg);
 305 a596b957 2022-07-14 tracey 			goto err;
 306 a596b957 2022-07-14 tracey 		}
 307 8319855f 2023-01-15 op 		if (gotweb_render_blame(c->tp) == -1)
 308 8319855f 2023-01-15 op 			goto done;
 309 298f95fb 2023-01-05 op 		break;
 310 298f95fb 2023-01-05 op 	case BLOB:
 311 298f95fb 2023-01-05 op 		if (gotweb_render_blob(c->tp, blob) == -1)
 312 298f95fb 2023-01-05 op 			goto err;
 313 a596b957 2022-07-14 tracey 		break;
 314 a596b957 2022-07-14 tracey 	case BRIEFS:
 315 ed619ca0 2022-12-14 op 		if (gotweb_render_briefs(c->tp) == -1)
 316 a596b957 2022-07-14 tracey 			goto err;
 317 a596b957 2022-07-14 tracey 		break;
 318 a596b957 2022-07-14 tracey 	case COMMITS:
 319 156a1144 2022-12-17 op 		error = got_get_repo_commits(c, srv->max_commits_display);
 320 a596b957 2022-07-14 tracey 		if (error) {
 321 a596b957 2022-07-14 tracey 			log_warnx("%s: %s", __func__, error->msg);
 322 a596b957 2022-07-14 tracey 			goto err;
 323 a596b957 2022-07-14 tracey 		}
 324 156a1144 2022-12-17 op 		if (gotweb_render_commits(c->tp) == -1)
 325 156a1144 2022-12-17 op 			goto err;
 326 a596b957 2022-07-14 tracey 		break;
 327 a596b957 2022-07-14 tracey 	case DIFF:
 328 587550a5 2023-01-10 op 		error = got_get_repo_commits(c, 1);
 329 169b1631 2023-01-06 op 		if (error) {
 330 169b1631 2023-01-06 op 			log_warnx("%s: %s", __func__, error->msg);
 331 169b1631 2023-01-06 op 			goto err;
 332 169b1631 2023-01-06 op 		}
 333 587550a5 2023-01-10 op 		error = got_open_diff_for_output(&fp, &fd, c);
 334 587550a5 2023-01-10 op 		if (error) {
 335 587550a5 2023-01-10 op 			log_warnx("%s: %s", __func__, error->msg);
 336 587550a5 2023-01-10 op 			goto err;
 337 587550a5 2023-01-10 op 		}
 338 587550a5 2023-01-10 op 		if (gotweb_render_diff(c->tp, fp) == -1)
 339 587550a5 2023-01-10 op 			goto err;
 340 a596b957 2022-07-14 tracey 		break;
 341 a596b957 2022-07-14 tracey 	case INDEX:
 342 a596b957 2022-07-14 tracey 		error = gotweb_render_index(c);
 343 a596b957 2022-07-14 tracey 		if (error) {
 344 a596b957 2022-07-14 tracey 			log_warnx("%s: %s", __func__, error->msg);
 345 a596b957 2022-07-14 tracey 			goto err;
 346 a596b957 2022-07-14 tracey 		}
 347 a596b957 2022-07-14 tracey 		break;
 348 a596b957 2022-07-14 tracey 	case SUMMARY:
 349 69525b4e 2023-01-13 op 		error = got_ref_list(&refs, c->t->repo, "refs/heads",
 350 69525b4e 2023-01-13 op 		    got_ref_cmp_by_name, NULL);
 351 a596b957 2022-07-14 tracey 		if (error) {
 352 69525b4e 2023-01-13 op 			log_warnx("%s: got_ref_list: %s", __func__,
 353 69525b4e 2023-01-13 op 			    error->msg);
 354 a596b957 2022-07-14 tracey 			goto err;
 355 a596b957 2022-07-14 tracey 		}
 356 69525b4e 2023-01-13 op 		qs->action = TAGS;
 357 69525b4e 2023-01-13 op 		error = got_get_repo_tags(c, D_MAXSLCOMMDISP);
 358 69525b4e 2023-01-13 op 		if (error) {
 359 69525b4e 2023-01-13 op 			log_warnx("%s: got_get_repo_tags: %s", __func__,
 360 69525b4e 2023-01-13 op 			    error->msg);
 361 69525b4e 2023-01-13 op 			goto err;
 362 69525b4e 2023-01-13 op 		}
 363 69525b4e 2023-01-13 op 		qs->action = SUMMARY;
 364 69525b4e 2023-01-13 op 		if (gotweb_render_summary(c->tp, &refs) == -1)
 365 69525b4e 2023-01-13 op 			goto done;
 366 a596b957 2022-07-14 tracey 		break;
 367 a596b957 2022-07-14 tracey 	case TAG:
 368 dc07f76c 2023-01-09 op 		error = got_get_repo_tags(c, 1);
 369 a596b957 2022-07-14 tracey 		if (error) {
 370 a596b957 2022-07-14 tracey 			log_warnx("%s: %s", __func__, error->msg);
 371 dc07f76c 2023-01-09 op 			goto err;
 372 dc07f76c 2023-01-09 op 		}
 373 dc07f76c 2023-01-09 op 		if (c->t->tag_count == 0) {
 374 dc07f76c 2023-01-09 op 			error = got_error_msg(GOT_ERR_BAD_OBJ_ID,
 375 dc07f76c 2023-01-09 op 			    "bad commit id");
 376 a596b957 2022-07-14 tracey 			goto err;
 377 a596b957 2022-07-14 tracey 		}
 378 dc07f76c 2023-01-09 op 		if (gotweb_render_tag(c->tp) == -1)
 379 dc07f76c 2023-01-09 op 			goto done;
 380 a596b957 2022-07-14 tracey 		break;
 381 a596b957 2022-07-14 tracey 	case TAGS:
 382 d60961d2 2023-01-13 op 		error = got_get_repo_tags(c, srv->max_commits_display);
 383 a596b957 2022-07-14 tracey 		if (error) {
 384 a596b957 2022-07-14 tracey 			log_warnx("%s: %s", __func__, error->msg);
 385 a596b957 2022-07-14 tracey 			goto err;
 386 a596b957 2022-07-14 tracey 		}
 387 d60961d2 2023-01-13 op 		if (gotweb_render_tags(c->tp) == -1)
 388 d60961d2 2023-01-13 op 			goto done;
 389 a596b957 2022-07-14 tracey 		break;
 390 a596b957 2022-07-14 tracey 	case TREE:
 391 43d421de 2023-01-05 op 		error = got_get_repo_commits(c, 1);
 392 a596b957 2022-07-14 tracey 		if (error) {
 393 a596b957 2022-07-14 tracey 			log_warnx("%s: %s", __func__, error->msg);
 394 a596b957 2022-07-14 tracey 			goto err;
 395 a596b957 2022-07-14 tracey 		}
 396 43d421de 2023-01-05 op 		if (gotweb_render_tree(c->tp) == -1)
 397 43d421de 2023-01-05 op 			goto err;
 398 a596b957 2022-07-14 tracey 		break;
 399 a596b957 2022-07-14 tracey 	case ERR:
 400 a596b957 2022-07-14 tracey 	default:
 401 01498c42 2022-08-19 op 		r = fcgi_printf(c, "<div id='err_content'>%s</div>\n",
 402 01498c42 2022-08-19 op 		    "Erorr: Bad Querystring");
 403 01498c42 2022-08-19 op 		if (r == -1)
 404 a596b957 2022-07-14 tracey 			goto err;
 405 a596b957 2022-07-14 tracey 		break;
 406 a596b957 2022-07-14 tracey 	}
 407 a596b957 2022-07-14 tracey 
 408 a596b957 2022-07-14 tracey 	goto done;
 409 a596b957 2022-07-14 tracey err:
 410 01498c42 2022-08-19 op 	if (html && fcgi_printf(c, "<div id='err_content'>") == -1)
 411 a596b957 2022-07-14 tracey 		return;
 412 b2e7d31e 2022-10-31 landry 	if (fcgi_printf(c, "\n%s", err) == -1)
 413 a596b957 2022-07-14 tracey 		return;
 414 a596b957 2022-07-14 tracey 	if (error) {
 415 01498c42 2022-08-19 op 		if (fcgi_printf(c, "%s", error->msg) == -1)
 416 a596b957 2022-07-14 tracey 			return;
 417 a596b957 2022-07-14 tracey 	} else {
 418 01498c42 2022-08-19 op 		if (fcgi_printf(c, "see daemon logs for details") == -1)
 419 a596b957 2022-07-14 tracey 			return;
 420 a596b957 2022-07-14 tracey 	}
 421 01498c42 2022-08-19 op 	if (html && fcgi_printf(c, "</div>\n") == -1)
 422 a596b957 2022-07-14 tracey 		return;
 423 a596b957 2022-07-14 tracey done:
 424 298f95fb 2023-01-05 op 	if (blob)
 425 298f95fb 2023-01-05 op 		got_object_blob_close(blob);
 426 587550a5 2023-01-10 op 	if (fp) {
 427 587550a5 2023-01-10 op 		error = got_gotweb_flushfile(fp, fd);
 428 587550a5 2023-01-10 op 		if (error)
 429 587550a5 2023-01-10 op 			log_warnx("%s: got_gotweb_flushfile failure: %s",
 430 587550a5 2023-01-10 op 			    __func__, error->msg);
 431 587550a5 2023-01-10 op 		fd = -1;
 432 587550a5 2023-01-10 op 	}
 433 298f95fb 2023-01-05 op 	if (fd != -1)
 434 298f95fb 2023-01-05 op 		close(fd);
 435 a596b957 2022-07-14 tracey 	if (html && srv != NULL)
 436 ed619ca0 2022-12-14 op 		gotweb_render_footer(c->tp);
 437 69525b4e 2023-01-13 op 
 438 69525b4e 2023-01-13 op 	got_ref_list_free(&refs);
 439 a596b957 2022-07-14 tracey }
 440 a596b957 2022-07-14 tracey 
 441 a596b957 2022-07-14 tracey struct server *
 442 95a4a5a1 2022-08-30 op gotweb_get_server(uint8_t *server_name, uint8_t *subdomain)
 443 a596b957 2022-07-14 tracey {
 444 a596b957 2022-07-14 tracey 	struct server *srv = NULL;
 445 a596b957 2022-07-14 tracey 
 446 95a4a5a1 2022-08-30 op 	/* check against the server name first */
 447 a596b957 2022-07-14 tracey 	if (strlen(server_name) > 0)
 448 2ad48e9a 2022-08-16 stsp 		TAILQ_FOREACH(srv, &gotwebd_env->servers, entry)
 449 a596b957 2022-07-14 tracey 			if (strcmp(srv->name, server_name) == 0)
 450 a596b957 2022-07-14 tracey 				goto done;
 451 a596b957 2022-07-14 tracey 
 452 95a4a5a1 2022-08-30 op 	/* check against subdomain second */
 453 a596b957 2022-07-14 tracey 	if (strlen(subdomain) > 0)
 454 2ad48e9a 2022-08-16 stsp 		TAILQ_FOREACH(srv, &gotwebd_env->servers, entry)
 455 a596b957 2022-07-14 tracey 			if (strcmp(srv->name, subdomain) == 0)
 456 a596b957 2022-07-14 tracey 				goto done;
 457 a596b957 2022-07-14 tracey 
 458 a596b957 2022-07-14 tracey 	/* if those fail, send first server */
 459 2ad48e9a 2022-08-16 stsp 	TAILQ_FOREACH(srv, &gotwebd_env->servers, entry)
 460 a596b957 2022-07-14 tracey 		if (srv != NULL)
 461 a596b957 2022-07-14 tracey 			break;
 462 a596b957 2022-07-14 tracey done:
 463 a596b957 2022-07-14 tracey 	return srv;
 464 a596b957 2022-07-14 tracey };
 465 a596b957 2022-07-14 tracey 
 466 a596b957 2022-07-14 tracey const struct got_error *
 467 a596b957 2022-07-14 tracey gotweb_init_transport(struct transport **t)
 468 a596b957 2022-07-14 tracey {
 469 a596b957 2022-07-14 tracey 	const struct got_error *error = NULL;
 470 a596b957 2022-07-14 tracey 
 471 a596b957 2022-07-14 tracey 	*t = calloc(1, sizeof(**t));
 472 a596b957 2022-07-14 tracey 	if (*t == NULL)
 473 a596b957 2022-07-14 tracey 		return got_error_from_errno2("%s: calloc", __func__);
 474 a596b957 2022-07-14 tracey 
 475 a596b957 2022-07-14 tracey 	TAILQ_INIT(&(*t)->repo_commits);
 476 a596b957 2022-07-14 tracey 	TAILQ_INIT(&(*t)->repo_tags);
 477 a596b957 2022-07-14 tracey 
 478 a596b957 2022-07-14 tracey 	(*t)->repo = NULL;
 479 a596b957 2022-07-14 tracey 	(*t)->repo_dir = NULL;
 480 a596b957 2022-07-14 tracey 	(*t)->qs = NULL;
 481 a596b957 2022-07-14 tracey 	(*t)->next_id = NULL;
 482 a596b957 2022-07-14 tracey 	(*t)->prev_id = NULL;
 483 a596b957 2022-07-14 tracey 	(*t)->next_disp = 0;
 484 a596b957 2022-07-14 tracey 	(*t)->prev_disp = 0;
 485 a596b957 2022-07-14 tracey 
 486 a596b957 2022-07-14 tracey 	return error;
 487 a596b957 2022-07-14 tracey }
 488 a596b957 2022-07-14 tracey 
 489 a596b957 2022-07-14 tracey static const struct got_error *
 490 a596b957 2022-07-14 tracey gotweb_init_querystring(struct querystring **qs)
 491 a596b957 2022-07-14 tracey {
 492 a596b957 2022-07-14 tracey 	const struct got_error *error = NULL;
 493 a596b957 2022-07-14 tracey 
 494 a596b957 2022-07-14 tracey 	*qs = calloc(1, sizeof(**qs));
 495 a596b957 2022-07-14 tracey 	if (*qs == NULL)
 496 a596b957 2022-07-14 tracey 		return got_error_from_errno2("%s: calloc", __func__);
 497 a596b957 2022-07-14 tracey 
 498 a596b957 2022-07-14 tracey 	(*qs)->headref = strdup("HEAD");
 499 a596b957 2022-07-14 tracey 	if ((*qs)->headref == NULL) {
 500 6c37ad7b 2022-09-01 op 		free(*qs);
 501 6c37ad7b 2022-09-01 op 		*qs = NULL;
 502 a596b957 2022-07-14 tracey 		return got_error_from_errno2("%s: strdup", __func__);
 503 a596b957 2022-07-14 tracey 	}
 504 6c37ad7b 2022-09-01 op 
 505 6c37ad7b 2022-09-01 op 	(*qs)->action = INDEX;
 506 6c37ad7b 2022-09-01 op 	(*qs)->commit = NULL;
 507 6c37ad7b 2022-09-01 op 	(*qs)->file = NULL;
 508 6c37ad7b 2022-09-01 op 	(*qs)->folder = NULL;
 509 a596b957 2022-07-14 tracey 	(*qs)->index_page = 0;
 510 a596b957 2022-07-14 tracey 	(*qs)->path = NULL;
 511 a596b957 2022-07-14 tracey 
 512 a596b957 2022-07-14 tracey 	return error;
 513 a596b957 2022-07-14 tracey }
 514 a596b957 2022-07-14 tracey 
 515 a596b957 2022-07-14 tracey static const struct got_error *
 516 a596b957 2022-07-14 tracey gotweb_parse_querystring(struct querystring **qs, char *qst)
 517 a596b957 2022-07-14 tracey {
 518 a596b957 2022-07-14 tracey 	const struct got_error *error = NULL;
 519 a596b957 2022-07-14 tracey 	char *tok1 = NULL, *tok1_pair = NULL, *tok1_end = NULL;
 520 a596b957 2022-07-14 tracey 	char *tok2 = NULL, *tok2_pair = NULL, *tok2_end = NULL;
 521 a596b957 2022-07-14 tracey 
 522 a596b957 2022-07-14 tracey 	if (qst == NULL)
 523 a596b957 2022-07-14 tracey 		return error;
 524 a596b957 2022-07-14 tracey 
 525 a596b957 2022-07-14 tracey 	tok1 = strdup(qst);
 526 a596b957 2022-07-14 tracey 	if (tok1 == NULL)
 527 a596b957 2022-07-14 tracey 		return got_error_from_errno2("%s: strdup", __func__);
 528 a596b957 2022-07-14 tracey 
 529 a596b957 2022-07-14 tracey 	tok1_pair = tok1;
 530 a596b957 2022-07-14 tracey 	tok1_end = tok1;
 531 a596b957 2022-07-14 tracey 
 532 a596b957 2022-07-14 tracey 	while (tok1_pair != NULL) {
 533 a596b957 2022-07-14 tracey 		strsep(&tok1_end, "&");
 534 a596b957 2022-07-14 tracey 
 535 a596b957 2022-07-14 tracey 		tok2 = strdup(tok1_pair);
 536 a596b957 2022-07-14 tracey 		if (tok2 == NULL) {
 537 a596b957 2022-07-14 tracey 			free(tok1);
 538 a596b957 2022-07-14 tracey 			return got_error_from_errno2("%s: strdup", __func__);
 539 a596b957 2022-07-14 tracey 		}
 540 a596b957 2022-07-14 tracey 
 541 a596b957 2022-07-14 tracey 		tok2_pair = tok2;
 542 a596b957 2022-07-14 tracey 		tok2_end = tok2;
 543 a596b957 2022-07-14 tracey 
 544 a596b957 2022-07-14 tracey 		while (tok2_pair != NULL) {
 545 a596b957 2022-07-14 tracey 			strsep(&tok2_end, "=");
 546 a596b957 2022-07-14 tracey 			if (tok2_end) {
 547 a596b957 2022-07-14 tracey 				error = gotweb_assign_querystring(qs, tok2_pair,
 548 a596b957 2022-07-14 tracey 				    tok2_end);
 549 a596b957 2022-07-14 tracey 				if (error)
 550 a596b957 2022-07-14 tracey 					goto err;
 551 a596b957 2022-07-14 tracey 			}
 552 a596b957 2022-07-14 tracey 			tok2_pair = tok2_end;
 553 a596b957 2022-07-14 tracey 		}
 554 a596b957 2022-07-14 tracey 		free(tok2);
 555 a596b957 2022-07-14 tracey 		tok1_pair = tok1_end;
 556 a596b957 2022-07-14 tracey 	}
 557 a596b957 2022-07-14 tracey 	free(tok1);
 558 a596b957 2022-07-14 tracey 	return error;
 559 a596b957 2022-07-14 tracey err:
 560 a596b957 2022-07-14 tracey 	free(tok2);
 561 a596b957 2022-07-14 tracey 	free(tok1);
 562 a596b957 2022-07-14 tracey 	return error;
 563 a596b957 2022-07-14 tracey }
 564 a596b957 2022-07-14 tracey 
 565 58381f70 2022-09-03 op /*
 566 58381f70 2022-09-03 op  * Adapted from usr.sbin/httpd/httpd.c url_decode.
 567 58381f70 2022-09-03 op  */
 568 a596b957 2022-07-14 tracey static const struct got_error *
 569 58381f70 2022-09-03 op gotweb_urldecode(char *url)
 570 58381f70 2022-09-03 op {
 571 58381f70 2022-09-03 op 	char		*p, *q;
 572 58381f70 2022-09-03 op 	char		 hex[3];
 573 58381f70 2022-09-03 op 	unsigned long	 x;
 574 58381f70 2022-09-03 op 
 575 58381f70 2022-09-03 op 	hex[2] = '\0';
 576 58381f70 2022-09-03 op 	p = q = url;
 577 58381f70 2022-09-03 op 
 578 58381f70 2022-09-03 op 	while (*p != '\0') {
 579 58381f70 2022-09-03 op 		switch (*p) {
 580 58381f70 2022-09-03 op 		case '%':
 581 58381f70 2022-09-03 op 			/* Encoding character is followed by two hex chars */
 582 58381f70 2022-09-03 op 			if (!isxdigit((unsigned char)p[1]) ||
 583 58381f70 2022-09-03 op 			    !isxdigit((unsigned char)p[2]) ||
 584 58381f70 2022-09-03 op 			    (p[1] == '0' && p[2] == '0'))
 585 58381f70 2022-09-03 op 				return got_error(GOT_ERR_BAD_QUERYSTRING);
 586 58381f70 2022-09-03 op 
 587 58381f70 2022-09-03 op 			hex[0] = p[1];
 588 58381f70 2022-09-03 op 			hex[1] = p[2];
 589 58381f70 2022-09-03 op 
 590 58381f70 2022-09-03 op 			/*
 591 58381f70 2022-09-03 op 			 * We don't have to validate "hex" because it is
 592 58381f70 2022-09-03 op 			 * guaranteed to include two hex chars followed by nul.
 593 58381f70 2022-09-03 op 			 */
 594 58381f70 2022-09-03 op 			x = strtoul(hex, NULL, 16);
 595 58381f70 2022-09-03 op 			*q = (char)x;
 596 58381f70 2022-09-03 op 			p += 2;
 597 58381f70 2022-09-03 op 			break;
 598 58381f70 2022-09-03 op 		default:
 599 58381f70 2022-09-03 op 			*q = *p;
 600 58381f70 2022-09-03 op 			break;
 601 58381f70 2022-09-03 op 		}
 602 58381f70 2022-09-03 op 		p++;
 603 58381f70 2022-09-03 op 		q++;
 604 58381f70 2022-09-03 op 	}
 605 58381f70 2022-09-03 op 	*q = '\0';
 606 58381f70 2022-09-03 op 
 607 58381f70 2022-09-03 op 	return NULL;
 608 58381f70 2022-09-03 op }
 609 58381f70 2022-09-03 op 
 610 58381f70 2022-09-03 op static const struct got_error *
 611 a596b957 2022-07-14 tracey gotweb_assign_querystring(struct querystring **qs, char *key, char *value)
 612 a596b957 2022-07-14 tracey {
 613 a596b957 2022-07-14 tracey 	const struct got_error *error = NULL;
 614 a596b957 2022-07-14 tracey 	const char *errstr;
 615 a596b957 2022-07-14 tracey 	int a_cnt, el_cnt;
 616 a596b957 2022-07-14 tracey 
 617 58381f70 2022-09-03 op 	error = gotweb_urldecode(value);
 618 58381f70 2022-09-03 op 	if (error)
 619 58381f70 2022-09-03 op 		return error;
 620 58381f70 2022-09-03 op 
 621 a596b957 2022-07-14 tracey 	for (el_cnt = 0; el_cnt < QSELEM__MAX; el_cnt++) {
 622 a596b957 2022-07-14 tracey 		if (strcmp(key, querystring_keys[el_cnt].name) != 0)
 623 a596b957 2022-07-14 tracey 			continue;
 624 a596b957 2022-07-14 tracey 
 625 a596b957 2022-07-14 tracey 		switch (querystring_keys[el_cnt].element) {
 626 a596b957 2022-07-14 tracey 		case ACTION:
 627 a596b957 2022-07-14 tracey 			for (a_cnt = 0; a_cnt < ACTIONS__MAX; a_cnt++) {
 628 a596b957 2022-07-14 tracey 				if (strcmp(value, action_keys[a_cnt].name) != 0)
 629 a596b957 2022-07-14 tracey 					continue;
 630 a596b957 2022-07-14 tracey 				else if (strcmp(value,
 631 a596b957 2022-07-14 tracey 				    action_keys[a_cnt].name) == 0){
 632 a596b957 2022-07-14 tracey 					(*qs)->action =
 633 a596b957 2022-07-14 tracey 					    action_keys[a_cnt].action;
 634 a596b957 2022-07-14 tracey 					goto qa_found;
 635 a596b957 2022-07-14 tracey 				}
 636 a596b957 2022-07-14 tracey 			}
 637 a596b957 2022-07-14 tracey 			(*qs)->action = ERR;
 638 a596b957 2022-07-14 tracey qa_found:
 639 a596b957 2022-07-14 tracey 			break;
 640 a596b957 2022-07-14 tracey 		case COMMIT:
 641 a596b957 2022-07-14 tracey 			(*qs)->commit = strdup(value);
 642 a596b957 2022-07-14 tracey 			if ((*qs)->commit == NULL) {
 643 a596b957 2022-07-14 tracey 				error = got_error_from_errno2("%s: strdup",
 644 a596b957 2022-07-14 tracey 				    __func__);
 645 a596b957 2022-07-14 tracey 				goto done;
 646 a596b957 2022-07-14 tracey 			}
 647 a596b957 2022-07-14 tracey 			break;
 648 a596b957 2022-07-14 tracey 		case RFILE:
 649 a596b957 2022-07-14 tracey 			(*qs)->file = strdup(value);
 650 a596b957 2022-07-14 tracey 			if ((*qs)->file == NULL) {
 651 a596b957 2022-07-14 tracey 				error = got_error_from_errno2("%s: strdup",
 652 a596b957 2022-07-14 tracey 				    __func__);
 653 a596b957 2022-07-14 tracey 				goto done;
 654 a596b957 2022-07-14 tracey 			}
 655 a596b957 2022-07-14 tracey 			break;
 656 a596b957 2022-07-14 tracey 		case FOLDER:
 657 a596b957 2022-07-14 tracey 			(*qs)->folder = strdup(value);
 658 a596b957 2022-07-14 tracey 			if ((*qs)->folder == NULL) {
 659 a596b957 2022-07-14 tracey 				error = got_error_from_errno2("%s: strdup",
 660 a596b957 2022-07-14 tracey 				    __func__);
 661 a596b957 2022-07-14 tracey 				goto done;
 662 a596b957 2022-07-14 tracey 			}
 663 a596b957 2022-07-14 tracey 			break;
 664 a596b957 2022-07-14 tracey 		case HEADREF:
 665 f8faf9f1 2022-09-01 op 			free((*qs)->headref);
 666 a596b957 2022-07-14 tracey 			(*qs)->headref = strdup(value);
 667 a596b957 2022-07-14 tracey 			if ((*qs)->headref == NULL) {
 668 a596b957 2022-07-14 tracey 				error = got_error_from_errno2("%s: strdup",
 669 a596b957 2022-07-14 tracey 				    __func__);
 670 a596b957 2022-07-14 tracey 				goto done;
 671 a596b957 2022-07-14 tracey 			}
 672 a596b957 2022-07-14 tracey 			break;
 673 a596b957 2022-07-14 tracey 		case INDEX_PAGE:
 674 a596b957 2022-07-14 tracey 			if (strlen(value) == 0)
 675 a596b957 2022-07-14 tracey 				break;
 676 a596b957 2022-07-14 tracey 			(*qs)->index_page = strtonum(value, INT64_MIN,
 677 a596b957 2022-07-14 tracey 			    INT64_MAX, &errstr);
 678 a596b957 2022-07-14 tracey 			if (errstr) {
 679 a596b957 2022-07-14 tracey 				error = got_error_from_errno3("%s: strtonum %s",
 680 a596b957 2022-07-14 tracey 				    __func__, errstr);
 681 a596b957 2022-07-14 tracey 				goto done;
 682 a596b957 2022-07-14 tracey 			}
 683 03f6a843 2022-12-17 op 			if ((*qs)->index_page < 0)
 684 a596b957 2022-07-14 tracey 				(*qs)->index_page = 0;
 685 a596b957 2022-07-14 tracey 			break;
 686 a596b957 2022-07-14 tracey 		case PATH:
 687 a596b957 2022-07-14 tracey 			(*qs)->path = strdup(value);
 688 a596b957 2022-07-14 tracey 			if ((*qs)->path == NULL) {
 689 a596b957 2022-07-14 tracey 				error = got_error_from_errno2("%s: strdup",
 690 a596b957 2022-07-14 tracey 				    __func__);
 691 a596b957 2022-07-14 tracey 				goto done;
 692 a596b957 2022-07-14 tracey 			}
 693 a596b957 2022-07-14 tracey 			break;
 694 a596b957 2022-07-14 tracey 		case PAGE:
 695 a596b957 2022-07-14 tracey 			if (strlen(value) == 0)
 696 a596b957 2022-07-14 tracey 				break;
 697 a596b957 2022-07-14 tracey 			(*qs)->page = strtonum(value, INT64_MIN,
 698 a596b957 2022-07-14 tracey 			    INT64_MAX, &errstr);
 699 a596b957 2022-07-14 tracey 			if (errstr) {
 700 a596b957 2022-07-14 tracey 				error = got_error_from_errno3("%s: strtonum %s",
 701 a596b957 2022-07-14 tracey 				    __func__, errstr);
 702 a596b957 2022-07-14 tracey 				goto done;
 703 a596b957 2022-07-14 tracey 			}
 704 03f6a843 2022-12-17 op 			if ((*qs)->page < 0)
 705 a596b957 2022-07-14 tracey 				(*qs)->page = 0;
 706 a596b957 2022-07-14 tracey 			break;
 707 a596b957 2022-07-14 tracey 		default:
 708 a596b957 2022-07-14 tracey 			break;
 709 a596b957 2022-07-14 tracey 		}
 710 a596b957 2022-07-14 tracey 	}
 711 a596b957 2022-07-14 tracey done:
 712 a596b957 2022-07-14 tracey 	return error;
 713 a596b957 2022-07-14 tracey }
 714 a596b957 2022-07-14 tracey 
 715 a596b957 2022-07-14 tracey void
 716 a596b957 2022-07-14 tracey gotweb_free_repo_tag(struct repo_tag *rt)
 717 a596b957 2022-07-14 tracey {
 718 a596b957 2022-07-14 tracey 	if (rt != NULL) {
 719 a596b957 2022-07-14 tracey 		free(rt->commit_id);
 720 625e5896 2022-09-01 op 		free(rt->tag_name);
 721 625e5896 2022-09-01 op 		free(rt->tag_commit);
 722 625e5896 2022-09-01 op 		free(rt->commit_msg);
 723 a596b957 2022-07-14 tracey 		free(rt->tagger);
 724 a596b957 2022-07-14 tracey 	}
 725 a596b957 2022-07-14 tracey 	free(rt);
 726 a596b957 2022-07-14 tracey }
 727 a596b957 2022-07-14 tracey 
 728 a596b957 2022-07-14 tracey void
 729 a596b957 2022-07-14 tracey gotweb_free_repo_commit(struct repo_commit *rc)
 730 a596b957 2022-07-14 tracey {
 731 a596b957 2022-07-14 tracey 	if (rc != NULL) {
 732 a596b957 2022-07-14 tracey 		free(rc->path);
 733 a596b957 2022-07-14 tracey 		free(rc->refs_str);
 734 a596b957 2022-07-14 tracey 		free(rc->commit_id);
 735 a596b957 2022-07-14 tracey 		free(rc->parent_id);
 736 a596b957 2022-07-14 tracey 		free(rc->tree_id);
 737 a596b957 2022-07-14 tracey 		free(rc->author);
 738 a596b957 2022-07-14 tracey 		free(rc->committer);
 739 a596b957 2022-07-14 tracey 		free(rc->commit_msg);
 740 a596b957 2022-07-14 tracey 	}
 741 a596b957 2022-07-14 tracey 	free(rc);
 742 a596b957 2022-07-14 tracey }
 743 a596b957 2022-07-14 tracey 
 744 a596b957 2022-07-14 tracey static void
 745 a596b957 2022-07-14 tracey gotweb_free_querystring(struct querystring *qs)
 746 a596b957 2022-07-14 tracey {
 747 a596b957 2022-07-14 tracey 	if (qs != NULL) {
 748 a596b957 2022-07-14 tracey 		free(qs->commit);
 749 a596b957 2022-07-14 tracey 		free(qs->file);
 750 a596b957 2022-07-14 tracey 		free(qs->folder);
 751 a596b957 2022-07-14 tracey 		free(qs->headref);
 752 a596b957 2022-07-14 tracey 		free(qs->path);
 753 a596b957 2022-07-14 tracey 	}
 754 a596b957 2022-07-14 tracey 	free(qs);
 755 a596b957 2022-07-14 tracey }
 756 a596b957 2022-07-14 tracey 
 757 a596b957 2022-07-14 tracey static void
 758 a596b957 2022-07-14 tracey gotweb_free_repo_dir(struct repo_dir *repo_dir)
 759 a596b957 2022-07-14 tracey {
 760 a596b957 2022-07-14 tracey 	if (repo_dir != NULL) {
 761 a596b957 2022-07-14 tracey 		free(repo_dir->name);
 762 a596b957 2022-07-14 tracey 		free(repo_dir->owner);
 763 a596b957 2022-07-14 tracey 		free(repo_dir->description);
 764 a596b957 2022-07-14 tracey 		free(repo_dir->url);
 765 a596b957 2022-07-14 tracey 		free(repo_dir->path);
 766 a596b957 2022-07-14 tracey 	}
 767 a596b957 2022-07-14 tracey 	free(repo_dir);
 768 a596b957 2022-07-14 tracey }
 769 a596b957 2022-07-14 tracey 
 770 a596b957 2022-07-14 tracey void
 771 a596b957 2022-07-14 tracey gotweb_free_transport(struct transport *t)
 772 a596b957 2022-07-14 tracey {
 773 a596b957 2022-07-14 tracey 	struct repo_commit *rc = NULL, *trc = NULL;
 774 a596b957 2022-07-14 tracey 	struct repo_tag *rt = NULL, *trt = NULL;
 775 a596b957 2022-07-14 tracey 
 776 a596b957 2022-07-14 tracey 	TAILQ_FOREACH_SAFE(rc, &t->repo_commits, entry, trc) {
 777 a596b957 2022-07-14 tracey 		TAILQ_REMOVE(&t->repo_commits, rc, entry);
 778 a596b957 2022-07-14 tracey 		gotweb_free_repo_commit(rc);
 779 a596b957 2022-07-14 tracey 	}
 780 a596b957 2022-07-14 tracey 	TAILQ_FOREACH_SAFE(rt, &t->repo_tags, entry, trt) {
 781 a596b957 2022-07-14 tracey 		TAILQ_REMOVE(&t->repo_tags, rt, entry);
 782 a596b957 2022-07-14 tracey 		gotweb_free_repo_tag(rt);
 783 a596b957 2022-07-14 tracey 	}
 784 a596b957 2022-07-14 tracey 	gotweb_free_repo_dir(t->repo_dir);
 785 a596b957 2022-07-14 tracey 	gotweb_free_querystring(t->qs);
 786 e3662697 2023-02-03 op 	free(t->more_id);
 787 341fa7ca 2022-09-01 op 	free(t->next_id);
 788 341fa7ca 2022-09-01 op 	free(t->prev_id);
 789 a596b957 2022-07-14 tracey 	free(t);
 790 a596b957 2022-07-14 tracey }
 791 a596b957 2022-07-14 tracey 
 792 b4c0bd72 2022-12-17 op void
 793 b4c0bd72 2022-12-17 op gotweb_get_navs(struct request *c, struct gotweb_url *prev, int *have_prev,
 794 b4c0bd72 2022-12-17 op     struct gotweb_url *next, int *have_next)
 795 a596b957 2022-07-14 tracey {
 796 a596b957 2022-07-14 tracey 	struct transport *t = c->t;
 797 a596b957 2022-07-14 tracey 	struct querystring *qs = t->qs;
 798 a596b957 2022-07-14 tracey 	struct server *srv = c->srv;
 799 a596b957 2022-07-14 tracey 
 800 b4c0bd72 2022-12-17 op 	*have_prev = *have_next = 0;
 801 a596b957 2022-07-14 tracey 
 802 a596b957 2022-07-14 tracey 	switch(qs->action) {
 803 a596b957 2022-07-14 tracey 	case INDEX:
 804 a596b957 2022-07-14 tracey 		if (qs->index_page > 0) {
 805 b4c0bd72 2022-12-17 op 			*have_prev = 1;
 806 b4c0bd72 2022-12-17 op 			*prev = (struct gotweb_url){
 807 8d02314f 2022-09-07 op 				.action = -1,
 808 8d02314f 2022-09-07 op 				.index_page = qs->index_page - 1,
 809 8d02314f 2022-09-07 op 				.page = -1,
 810 8d02314f 2022-09-07 op 			};
 811 a596b957 2022-07-14 tracey 		}
 812 b4c0bd72 2022-12-17 op 		if (t->next_disp == srv->max_repos_display &&
 813 b4c0bd72 2022-12-17 op 		    t->repos_total != (qs->index_page + 1) *
 814 b4c0bd72 2022-12-17 op 		    srv->max_repos_display) {
 815 b4c0bd72 2022-12-17 op 			*have_next = 1;
 816 b4c0bd72 2022-12-17 op 			*next = (struct gotweb_url){
 817 b4c0bd72 2022-12-17 op 				.action = -1,
 818 b4c0bd72 2022-12-17 op 				.index_page = qs->index_page + 1,
 819 b4c0bd72 2022-12-17 op 				.page = -1,
 820 b4c0bd72 2022-12-17 op 			};
 821 b4c0bd72 2022-12-17 op 		}
 822 a596b957 2022-07-14 tracey 		break;
 823 a596b957 2022-07-14 tracey 	case TAGS:
 824 b4c0bd72 2022-12-17 op 		if (t->prev_id && qs->commit != NULL &&
 825 b4c0bd72 2022-12-17 op 		    strcmp(qs->commit, t->prev_id) != 0) {
 826 b4c0bd72 2022-12-17 op 			*have_prev = 1;
 827 b4c0bd72 2022-12-17 op 			*prev = (struct gotweb_url){
 828 b4c0bd72 2022-12-17 op 				.action = TAGS,
 829 b4c0bd72 2022-12-17 op 				.index_page = -1,
 830 b4c0bd72 2022-12-17 op 				.page = qs->page - 1,
 831 b4c0bd72 2022-12-17 op 				.path = qs->path,
 832 b4c0bd72 2022-12-17 op 				.commit = t->prev_id,
 833 b4c0bd72 2022-12-17 op 				.headref = qs->headref,
 834 b4c0bd72 2022-12-17 op 			};
 835 b4c0bd72 2022-12-17 op 		}
 836 a596b957 2022-07-14 tracey 		if (t->next_id) {
 837 b4c0bd72 2022-12-17 op 			*have_next = 1;
 838 b4c0bd72 2022-12-17 op 			*next = (struct gotweb_url){
 839 8d02314f 2022-09-07 op 				.action = TAGS,
 840 8d02314f 2022-09-07 op 				.index_page = -1,
 841 8d02314f 2022-09-07 op 				.page = qs->page + 1,
 842 8d02314f 2022-09-07 op 				.path = qs->path,
 843 8d02314f 2022-09-07 op 				.commit = t->next_id,
 844 8d02314f 2022-09-07 op 				.headref = qs->headref,
 845 8d02314f 2022-09-07 op 			};
 846 a596b957 2022-07-14 tracey 		}
 847 a596b957 2022-07-14 tracey 		break;
 848 a596b957 2022-07-14 tracey 	}
 849 a596b957 2022-07-14 tracey }
 850 a596b957 2022-07-14 tracey 
 851 a596b957 2022-07-14 tracey static const struct got_error *
 852 a596b957 2022-07-14 tracey gotweb_render_index(struct request *c)
 853 a596b957 2022-07-14 tracey {
 854 a596b957 2022-07-14 tracey 	const struct got_error *error = NULL;
 855 a596b957 2022-07-14 tracey 	struct server *srv = c->srv;
 856 a596b957 2022-07-14 tracey 	struct transport *t = c->t;
 857 a596b957 2022-07-14 tracey 	struct querystring *qs = t->qs;
 858 a596b957 2022-07-14 tracey 	struct repo_dir *repo_dir = NULL;
 859 a596b957 2022-07-14 tracey 	DIR *d;
 860 2db401bd 2022-09-01 op 	struct dirent **sd_dent = NULL;
 861 a596b957 2022-07-14 tracey 	unsigned int d_cnt, d_i, d_disp = 0;
 862 525dfdf4 2022-11-22 op 	unsigned int d_skipped = 0;
 863 ed619ca0 2022-12-14 op 	int type;
 864 a596b957 2022-07-14 tracey 
 865 a596b957 2022-07-14 tracey 	d = opendir(srv->repos_path);
 866 a596b957 2022-07-14 tracey 	if (d == NULL) {
 867 a596b957 2022-07-14 tracey 		error = got_error_from_errno2("opendir", srv->repos_path);
 868 a596b957 2022-07-14 tracey 		return error;
 869 a596b957 2022-07-14 tracey 	}
 870 a596b957 2022-07-14 tracey 
 871 a596b957 2022-07-14 tracey 	d_cnt = scandir(srv->repos_path, &sd_dent, NULL, alphasort);
 872 a596b957 2022-07-14 tracey 	if (d_cnt == -1) {
 873 2db401bd 2022-09-01 op 		sd_dent = NULL;
 874 a596b957 2022-07-14 tracey 		error = got_error_from_errno2("scandir", srv->repos_path);
 875 a596b957 2022-07-14 tracey 		goto done;
 876 a596b957 2022-07-14 tracey 	}
 877 a596b957 2022-07-14 tracey 
 878 ed619ca0 2022-12-14 op 	if (gotweb_render_repo_table_hdr(c->tp) == -1)
 879 a596b957 2022-07-14 tracey 		goto done;
 880 01498c42 2022-08-19 op 
 881 a596b957 2022-07-14 tracey 	for (d_i = 0; d_i < d_cnt; d_i++) {
 882 659fa237 2022-11-22 op 		if (srv->max_repos > 0 && t->prev_disp == srv->max_repos)
 883 659fa237 2022-11-22 op 			break;
 884 a596b957 2022-07-14 tracey 
 885 a596b957 2022-07-14 tracey 		if (strcmp(sd_dent[d_i]->d_name, ".") == 0 ||
 886 525dfdf4 2022-11-22 op 		    strcmp(sd_dent[d_i]->d_name, "..") == 0) {
 887 525dfdf4 2022-11-22 op 			d_skipped++;
 888 525dfdf4 2022-11-22 op 			continue;
 889 525dfdf4 2022-11-22 op 		}
 890 525dfdf4 2022-11-22 op 
 891 525dfdf4 2022-11-22 op 		error = got_path_dirent_type(&type, srv->repos_path,
 892 525dfdf4 2022-11-22 op 		    sd_dent[d_i]);
 893 525dfdf4 2022-11-22 op 		if (error)
 894 525dfdf4 2022-11-22 op 			goto done;
 895 525dfdf4 2022-11-22 op 		if (type != DT_DIR) {
 896 525dfdf4 2022-11-22 op 			d_skipped++;
 897 a596b957 2022-07-14 tracey 			continue;
 898 525dfdf4 2022-11-22 op 		}
 899 a596b957 2022-07-14 tracey 
 900 a596b957 2022-07-14 tracey 		if (qs->index_page > 0 && (qs->index_page *
 901 a596b957 2022-07-14 tracey 		    srv->max_repos_display) > t->prev_disp) {
 902 a596b957 2022-07-14 tracey 			t->prev_disp++;
 903 a596b957 2022-07-14 tracey 			continue;
 904 a596b957 2022-07-14 tracey 		}
 905 a596b957 2022-07-14 tracey 
 906 a596b957 2022-07-14 tracey 		error = gotweb_init_repo_dir(&repo_dir, sd_dent[d_i]->d_name);
 907 a596b957 2022-07-14 tracey 		if (error)
 908 a596b957 2022-07-14 tracey 			goto done;
 909 a596b957 2022-07-14 tracey 
 910 a596b957 2022-07-14 tracey 		error = gotweb_load_got_path(c, repo_dir);
 911 a596b957 2022-07-14 tracey 		if (error && error->code == GOT_ERR_NOT_GIT_REPO) {
 912 a596b957 2022-07-14 tracey 			error = NULL;
 913 a596b957 2022-07-14 tracey 			gotweb_free_repo_dir(repo_dir);
 914 a596b957 2022-07-14 tracey 			repo_dir = NULL;
 915 525dfdf4 2022-11-22 op 			d_skipped++;
 916 a596b957 2022-07-14 tracey 			continue;
 917 a596b957 2022-07-14 tracey 		}
 918 525dfdf4 2022-11-22 op 		if (error && error->code != GOT_ERR_LONELY_PACKIDX)
 919 525dfdf4 2022-11-22 op 			goto done;
 920 525dfdf4 2022-11-22 op 
 921 a596b957 2022-07-14 tracey 		d_disp++;
 922 a596b957 2022-07-14 tracey 		t->prev_disp++;
 923 a596b957 2022-07-14 tracey 
 924 ed619ca0 2022-12-14 op 		if (gotweb_render_repo_fragment(c->tp, repo_dir) == -1)
 925 8d02314f 2022-09-07 op 			goto done;
 926 8d02314f 2022-09-07 op 
 927 a596b957 2022-07-14 tracey 		gotweb_free_repo_dir(repo_dir);
 928 a596b957 2022-07-14 tracey 		repo_dir = NULL;
 929 a596b957 2022-07-14 tracey 		t->next_disp++;
 930 a596b957 2022-07-14 tracey 		if (d_disp == srv->max_repos_display)
 931 a596b957 2022-07-14 tracey 			break;
 932 a596b957 2022-07-14 tracey 	}
 933 525dfdf4 2022-11-22 op 	t->repos_total = d_cnt - d_skipped;
 934 525dfdf4 2022-11-22 op 
 935 a596b957 2022-07-14 tracey 	if (srv->max_repos_display == 0)
 936 01498c42 2022-08-19 op 		goto done;
 937 a596b957 2022-07-14 tracey 	if (srv->max_repos > 0 && srv->max_repos < srv->max_repos_display)
 938 01498c42 2022-08-19 op 		goto done;
 939 a596b957 2022-07-14 tracey 	if (t->repos_total <= srv->max_repos ||
 940 a596b957 2022-07-14 tracey 	    t->repos_total <= srv->max_repos_display)
 941 01498c42 2022-08-19 op 		goto done;
 942 a596b957 2022-07-14 tracey 
 943 b4c0bd72 2022-12-17 op 	if (gotweb_render_navs(c->tp) == -1)
 944 a596b957 2022-07-14 tracey 		goto done;
 945 a596b957 2022-07-14 tracey done:
 946 2db401bd 2022-09-01 op 	if (sd_dent) {
 947 2db401bd 2022-09-01 op 		for (d_i = 0; d_i < d_cnt; d_i++)
 948 2db401bd 2022-09-01 op 			free(sd_dent[d_i]);
 949 2db401bd 2022-09-01 op 		free(sd_dent);
 950 2db401bd 2022-09-01 op 	}
 951 a596b957 2022-07-14 tracey 	if (d != NULL && closedir(d) == EOF && error == NULL)
 952 a596b957 2022-07-14 tracey 		error = got_error_from_errno("closedir");
 953 a596b957 2022-07-14 tracey 	return error;
 954 a596b957 2022-07-14 tracey }
 955 a596b957 2022-07-14 tracey 
 956 8d02314f 2022-09-07 op static inline int
 957 8d02314f 2022-09-07 op should_urlencode(int c)
 958 8d02314f 2022-09-07 op {
 959 8d02314f 2022-09-07 op 	if (c <= ' ' || c >= 127)
 960 8d02314f 2022-09-07 op 		return 1;
 961 8d02314f 2022-09-07 op 
 962 8d02314f 2022-09-07 op 	switch (c) {
 963 8d02314f 2022-09-07 op 		/* gen-delim */
 964 8d02314f 2022-09-07 op 	case ':':
 965 8d02314f 2022-09-07 op 	case '/':
 966 8d02314f 2022-09-07 op 	case '?':
 967 8d02314f 2022-09-07 op 	case '#':
 968 8d02314f 2022-09-07 op 	case '[':
 969 8d02314f 2022-09-07 op 	case ']':
 970 8d02314f 2022-09-07 op 	case '@':
 971 8d02314f 2022-09-07 op 		/* sub-delims */
 972 8d02314f 2022-09-07 op 	case '!':
 973 8d02314f 2022-09-07 op 	case '$':
 974 8d02314f 2022-09-07 op 	case '&':
 975 8d02314f 2022-09-07 op 	case '\'':
 976 8d02314f 2022-09-07 op 	case '(':
 977 8d02314f 2022-09-07 op 	case ')':
 978 8d02314f 2022-09-07 op 	case '*':
 979 8d02314f 2022-09-07 op 	case '+':
 980 8d02314f 2022-09-07 op 	case ',':
 981 8d02314f 2022-09-07 op 	case ';':
 982 8d02314f 2022-09-07 op 	case '=':
 983 4a7f5bae 2023-01-05 op 		/* needed because the URLs are embedded into the HTML */
 984 4a7f5bae 2023-01-05 op 	case '\"':
 985 8d02314f 2022-09-07 op 		return 1;
 986 8d02314f 2022-09-07 op 	default:
 987 8d02314f 2022-09-07 op 		return 0;
 988 8d02314f 2022-09-07 op 	}
 989 8d02314f 2022-09-07 op }
 990 8d02314f 2022-09-07 op 
 991 8d02314f 2022-09-07 op static char *
 992 8d02314f 2022-09-07 op gotweb_urlencode(const char *str)
 993 8d02314f 2022-09-07 op {
 994 8d02314f 2022-09-07 op 	const char *s;
 995 8d02314f 2022-09-07 op 	char *escaped;
 996 8d02314f 2022-09-07 op 	size_t i, len;
 997 8d02314f 2022-09-07 op 	int a, b;
 998 8d02314f 2022-09-07 op 
 999 8d02314f 2022-09-07 op 	len = 0;
1000 8d02314f 2022-09-07 op 	for (s = str; *s; ++s) {
1001 8d02314f 2022-09-07 op 		len++;
1002 8d02314f 2022-09-07 op 		if (should_urlencode(*s))
1003 8d02314f 2022-09-07 op 			len += 2;
1004 8d02314f 2022-09-07 op 	}
1005 8d02314f 2022-09-07 op 
1006 8d02314f 2022-09-07 op 	escaped = calloc(1, len + 1);
1007 8d02314f 2022-09-07 op 	if (escaped == NULL)
1008 8d02314f 2022-09-07 op 		return NULL;
1009 8d02314f 2022-09-07 op 
1010 8d02314f 2022-09-07 op 	i = 0;
1011 8d02314f 2022-09-07 op 	for (s = str; *s; ++s) {
1012 8d02314f 2022-09-07 op 		if (should_urlencode(*s)) {
1013 8d02314f 2022-09-07 op 			a = (*s & 0xF0) >> 4;
1014 8d02314f 2022-09-07 op 			b = (*s & 0x0F);
1015 8d02314f 2022-09-07 op 
1016 8d02314f 2022-09-07 op 			escaped[i++] = '%';
1017 8d02314f 2022-09-07 op 			escaped[i++] = a <= 9 ? ('0' + a) : ('7' + a);
1018 8d02314f 2022-09-07 op 			escaped[i++] = b <= 9 ? ('0' + b) : ('7' + b);
1019 8d02314f 2022-09-07 op 		} else
1020 8d02314f 2022-09-07 op 			escaped[i++] = *s;
1021 8d02314f 2022-09-07 op 	}
1022 8d02314f 2022-09-07 op 
1023 8d02314f 2022-09-07 op 	return escaped;
1024 8d02314f 2022-09-07 op }
1025 8d02314f 2022-09-07 op 
1026 ed619ca0 2022-12-14 op const char *
1027 ed619ca0 2022-12-14 op gotweb_action_name(int action)
1028 8d02314f 2022-09-07 op {
1029 8d02314f 2022-09-07 op 	switch (action) {
1030 8d02314f 2022-09-07 op 	case BLAME:
1031 8d02314f 2022-09-07 op 		return "blame";
1032 8d02314f 2022-09-07 op 	case BLOB:
1033 8d02314f 2022-09-07 op 		return "blob";
1034 298f95fb 2023-01-05 op 	case BLOBRAW:
1035 298f95fb 2023-01-05 op 		return "blobraw";
1036 8d02314f 2022-09-07 op 	case BRIEFS:
1037 8d02314f 2022-09-07 op 		return "briefs";
1038 8d02314f 2022-09-07 op 	case COMMITS:
1039 8d02314f 2022-09-07 op 		return "commits";
1040 8d02314f 2022-09-07 op 	case DIFF:
1041 8d02314f 2022-09-07 op 		return "diff";
1042 8d02314f 2022-09-07 op 	case ERR:
1043 8d02314f 2022-09-07 op 		return "err";
1044 8d02314f 2022-09-07 op 	case INDEX:
1045 8d02314f 2022-09-07 op 		return "index";
1046 8d02314f 2022-09-07 op 	case SUMMARY:
1047 8d02314f 2022-09-07 op 		return "summary";
1048 8d02314f 2022-09-07 op 	case TAG:
1049 8d02314f 2022-09-07 op 		return "tag";
1050 8d02314f 2022-09-07 op 	case TAGS:
1051 8d02314f 2022-09-07 op 		return "tags";
1052 8d02314f 2022-09-07 op 	case TREE:
1053 8d02314f 2022-09-07 op 		return "tree";
1054 1abb18e1 2022-12-20 op 	case RSS:
1055 1abb18e1 2022-12-20 op 		return "rss";
1056 8d02314f 2022-09-07 op 	default:
1057 8d02314f 2022-09-07 op 		return NULL;
1058 8d02314f 2022-09-07 op 	}
1059 8d02314f 2022-09-07 op }
1060 8d02314f 2022-09-07 op 
1061 ed619ca0 2022-12-14 op int
1062 ed619ca0 2022-12-14 op gotweb_render_url(struct request *c, struct gotweb_url *url)
1063 8d02314f 2022-09-07 op {
1064 8d02314f 2022-09-07 op 	const char *sep = "?", *action;
1065 8d02314f 2022-09-07 op 	char *tmp;
1066 8d02314f 2022-09-07 op 	int r;
1067 8d02314f 2022-09-07 op 
1068 ed619ca0 2022-12-14 op 	action = gotweb_action_name(url->action);
1069 8d02314f 2022-09-07 op 	if (action != NULL) {
1070 8d02314f 2022-09-07 op 		if (fcgi_printf(c, "?action=%s", action) == -1)
1071 8d02314f 2022-09-07 op 			return -1;
1072 8d02314f 2022-09-07 op 		sep = "&";
1073 8d02314f 2022-09-07 op 	}
1074 8d02314f 2022-09-07 op 
1075 8d02314f 2022-09-07 op 	if (url->commit) {
1076 8d02314f 2022-09-07 op 		if (fcgi_printf(c, "%scommit=%s", sep, url->commit) == -1)
1077 8d02314f 2022-09-07 op 			return -1;
1078 8d02314f 2022-09-07 op 		sep = "&";
1079 8d02314f 2022-09-07 op 	}
1080 8d02314f 2022-09-07 op 
1081 8d02314f 2022-09-07 op 	if (url->previd) {
1082 8d02314f 2022-09-07 op 		if (fcgi_printf(c, "%sprevid=%s", sep, url->previd) == -1)
1083 8d02314f 2022-09-07 op 			return -1;
1084 8d02314f 2022-09-07 op 		sep = "&";
1085 8d02314f 2022-09-07 op 	}
1086 8d02314f 2022-09-07 op 
1087 8d02314f 2022-09-07 op 	if (url->prevset) {
1088 8d02314f 2022-09-07 op 		if (fcgi_printf(c, "%sprevset=%s", sep, url->prevset) == -1)
1089 8d02314f 2022-09-07 op 			return -1;
1090 8d02314f 2022-09-07 op 		sep = "&";
1091 8d02314f 2022-09-07 op 	}
1092 8d02314f 2022-09-07 op 
1093 8d02314f 2022-09-07 op 	if (url->file) {
1094 8d02314f 2022-09-07 op 		tmp = gotweb_urlencode(url->file);
1095 8d02314f 2022-09-07 op 		if (tmp == NULL)
1096 8d02314f 2022-09-07 op 			return -1;
1097 8d02314f 2022-09-07 op 		r = fcgi_printf(c, "%sfile=%s", sep, tmp);
1098 8d02314f 2022-09-07 op 		free(tmp);
1099 8d02314f 2022-09-07 op 		if (r == -1)
1100 8d02314f 2022-09-07 op 			return -1;
1101 8d02314f 2022-09-07 op 		sep = "&";
1102 8d02314f 2022-09-07 op 	}
1103 8d02314f 2022-09-07 op 
1104 8d02314f 2022-09-07 op 	if (url->folder) {
1105 8d02314f 2022-09-07 op 		tmp = gotweb_urlencode(url->folder);
1106 8d02314f 2022-09-07 op 		if (tmp == NULL)
1107 8d02314f 2022-09-07 op 			return -1;
1108 8d02314f 2022-09-07 op 		r = fcgi_printf(c, "%sfolder=%s", sep, tmp);
1109 8d02314f 2022-09-07 op 		free(tmp);
1110 8d02314f 2022-09-07 op 		if (r == -1)
1111 8d02314f 2022-09-07 op 			return -1;
1112 8d02314f 2022-09-07 op 		sep = "&";
1113 8d02314f 2022-09-07 op 	}
1114 8d02314f 2022-09-07 op 
1115 8d02314f 2022-09-07 op 	if (url->headref) {
1116 8d02314f 2022-09-07 op 		tmp = gotweb_urlencode(url->headref);
1117 8d02314f 2022-09-07 op 		if (tmp == NULL)
1118 8d02314f 2022-09-07 op 			return -1;
1119 8d02314f 2022-09-07 op 		r = fcgi_printf(c, "%sheadref=%s", sep, url->headref);
1120 8d02314f 2022-09-07 op 		free(tmp);
1121 8d02314f 2022-09-07 op 		if (r == -1)
1122 8d02314f 2022-09-07 op 			return -1;
1123 8d02314f 2022-09-07 op 		sep = "&";
1124 8d02314f 2022-09-07 op 	}
1125 8d02314f 2022-09-07 op 
1126 8d02314f 2022-09-07 op 	if (url->index_page != -1) {
1127 8d02314f 2022-09-07 op 		if (fcgi_printf(c, "%sindex_page=%d", sep,
1128 8d02314f 2022-09-07 op 		    url->index_page) == -1)
1129 8d02314f 2022-09-07 op 			return -1;
1130 8d02314f 2022-09-07 op 		sep = "&";
1131 8d02314f 2022-09-07 op 	}
1132 8d02314f 2022-09-07 op 
1133 8d02314f 2022-09-07 op 	if (url->path) {
1134 8d02314f 2022-09-07 op 		tmp = gotweb_urlencode(url->path);
1135 8d02314f 2022-09-07 op 		if (tmp == NULL)
1136 8d02314f 2022-09-07 op 			return -1;
1137 8d02314f 2022-09-07 op 		r = fcgi_printf(c, "%spath=%s", sep, tmp);
1138 8d02314f 2022-09-07 op 		free(tmp);
1139 8d02314f 2022-09-07 op 		if (r == -1)
1140 8d02314f 2022-09-07 op 			return -1;
1141 8d02314f 2022-09-07 op 		sep = "&";
1142 8d02314f 2022-09-07 op 	}
1143 8d02314f 2022-09-07 op 
1144 8d02314f 2022-09-07 op 	if (url->page != -1) {
1145 8d02314f 2022-09-07 op 		if (fcgi_printf(c, "%spage=%d", sep, url->page) == -1)
1146 8d02314f 2022-09-07 op 			return -1;
1147 8d02314f 2022-09-07 op 		sep = "&";
1148 8d02314f 2022-09-07 op 	}
1149 8d02314f 2022-09-07 op 
1150 8d02314f 2022-09-07 op 	return 0;
1151 8d02314f 2022-09-07 op }
1152 8d02314f 2022-09-07 op 
1153 8d02314f 2022-09-07 op int
1154 1abb18e1 2022-12-20 op gotweb_render_absolute_url(struct request *c, struct gotweb_url *url)
1155 1abb18e1 2022-12-20 op {
1156 1abb18e1 2022-12-20 op 	struct template	*tp = c->tp;
1157 1abb18e1 2022-12-20 op 	const char	*proto = c->https ? "https" : "http";
1158 1abb18e1 2022-12-20 op 
1159 1abb18e1 2022-12-20 op 	if (fcgi_puts(tp, proto) == -1 ||
1160 1abb18e1 2022-12-20 op 	    fcgi_puts(tp, "://") == -1 ||
1161 1abb18e1 2022-12-20 op 	    tp_htmlescape(tp, c->server_name) == -1 ||
1162 1abb18e1 2022-12-20 op 	    tp_htmlescape(tp, c->document_uri) == -1)
1163 1abb18e1 2022-12-20 op 		return -1;
1164 1abb18e1 2022-12-20 op 
1165 1abb18e1 2022-12-20 op 	return gotweb_render_url(c, url);
1166 8d02314f 2022-09-07 op }
1167 8d02314f 2022-09-07 op 
1168 b5c757f5 2022-09-01 stsp static struct got_repository *
1169 b5c757f5 2022-09-01 stsp find_cached_repo(struct server *srv, const char *path)
1170 b5c757f5 2022-09-01 stsp {
1171 b5c757f5 2022-09-01 stsp 	int i;
1172 b5c757f5 2022-09-01 stsp 
1173 b5c757f5 2022-09-01 stsp 	for (i = 0; i < srv->ncached_repos; i++) {
1174 b5c757f5 2022-09-01 stsp 		if (strcmp(srv->cached_repos[i].path, path) == 0)
1175 b5c757f5 2022-09-01 stsp 			return srv->cached_repos[i].repo;
1176 b5c757f5 2022-09-01 stsp 	}
1177 b5c757f5 2022-09-01 stsp 
1178 b5c757f5 2022-09-01 stsp 	return NULL;
1179 b5c757f5 2022-09-01 stsp }
1180 b5c757f5 2022-09-01 stsp 
1181 a596b957 2022-07-14 tracey static const struct got_error *
1182 b5c757f5 2022-09-01 stsp cache_repo(struct got_repository **new, struct server *srv,
1183 b5c757f5 2022-09-01 stsp     struct repo_dir *repo_dir, struct socket *sock)
1184 b5c757f5 2022-09-01 stsp {
1185 b5c757f5 2022-09-01 stsp 	const struct got_error *error = NULL;
1186 b5c757f5 2022-09-01 stsp 	struct got_repository *repo;
1187 b5c757f5 2022-09-01 stsp 	struct cached_repo *cr;
1188 b5c757f5 2022-09-01 stsp 	int evicted = 0;
1189 b5c757f5 2022-09-01 stsp 
1190 7e0ec052 2022-09-06 op 	if (srv->ncached_repos >= GOTWEBD_REPO_CACHESIZE) {
1191 b5c757f5 2022-09-01 stsp 		cr = &srv->cached_repos[srv->ncached_repos - 1];
1192 b5c757f5 2022-09-01 stsp 		error = got_repo_close(cr->repo);
1193 b5c757f5 2022-09-01 stsp 		memset(cr, 0, sizeof(*cr));
1194 b5c757f5 2022-09-01 stsp 		srv->ncached_repos--;
1195 b5c757f5 2022-09-01 stsp 		if (error)
1196 b5c757f5 2022-09-01 stsp 			return error;
1197 b5c757f5 2022-09-01 stsp 		memmove(&srv->cached_repos[1], &srv->cached_repos[0],
1198 b5c757f5 2022-09-01 stsp 		    srv->ncached_repos * sizeof(srv->cached_repos[0]));
1199 b5c757f5 2022-09-01 stsp 		cr = &srv->cached_repos[0];
1200 b5c757f5 2022-09-01 stsp 		evicted = 1;
1201 b5c757f5 2022-09-01 stsp 	} else {
1202 b5c757f5 2022-09-01 stsp 		cr = &srv->cached_repos[srv->ncached_repos];
1203 b5c757f5 2022-09-01 stsp 	}
1204 b5c757f5 2022-09-01 stsp 
1205 b5c757f5 2022-09-01 stsp 	error = got_repo_open(&repo, repo_dir->path, NULL, sock->pack_fds);
1206 b5c757f5 2022-09-01 stsp 	if (error) {
1207 b5c757f5 2022-09-01 stsp 		if (evicted) {
1208 b5c757f5 2022-09-01 stsp 			memmove(&srv->cached_repos[0], &srv->cached_repos[1],
1209 b5c757f5 2022-09-01 stsp 			    srv->ncached_repos * sizeof(srv->cached_repos[0]));
1210 b5c757f5 2022-09-01 stsp 		}
1211 b5c757f5 2022-09-01 stsp 		return error;
1212 b5c757f5 2022-09-01 stsp 	}
1213 b5c757f5 2022-09-01 stsp 
1214 b5c757f5 2022-09-01 stsp 	if (strlcpy(cr->path, repo_dir->path, sizeof(cr->path))
1215 b5c757f5 2022-09-01 stsp 	    >= sizeof(cr->path)) {
1216 b5c757f5 2022-09-01 stsp 		if (evicted) {
1217 b5c757f5 2022-09-01 stsp 			memmove(&srv->cached_repos[0], &srv->cached_repos[1],
1218 b5c757f5 2022-09-01 stsp 			    srv->ncached_repos * sizeof(srv->cached_repos[0]));
1219 b5c757f5 2022-09-01 stsp 		}
1220 b5c757f5 2022-09-01 stsp 		return got_error(GOT_ERR_NO_SPACE);
1221 b5c757f5 2022-09-01 stsp 	}
1222 b5c757f5 2022-09-01 stsp 
1223 b5c757f5 2022-09-01 stsp 	cr->repo = repo;
1224 b5c757f5 2022-09-01 stsp 	srv->ncached_repos++;
1225 b5c757f5 2022-09-01 stsp 	*new = repo;
1226 b5c757f5 2022-09-01 stsp 	return NULL;
1227 b5c757f5 2022-09-01 stsp }
1228 b5c757f5 2022-09-01 stsp 
1229 b5c757f5 2022-09-01 stsp static const struct got_error *
1230 a596b957 2022-07-14 tracey gotweb_load_got_path(struct request *c, struct repo_dir *repo_dir)
1231 a596b957 2022-07-14 tracey {
1232 a596b957 2022-07-14 tracey 	const struct got_error *error = NULL;
1233 a596b957 2022-07-14 tracey 	struct socket *sock = c->sock;
1234 a596b957 2022-07-14 tracey 	struct server *srv = c->srv;
1235 a596b957 2022-07-14 tracey 	struct transport *t = c->t;
1236 b5c757f5 2022-09-01 stsp 	struct got_repository *repo = NULL;
1237 a596b957 2022-07-14 tracey 	DIR *dt;
1238 a596b957 2022-07-14 tracey 	char *dir_test;
1239 a596b957 2022-07-14 tracey 
1240 a596b957 2022-07-14 tracey 	if (asprintf(&dir_test, "%s/%s/%s", srv->repos_path, repo_dir->name,
1241 a596b957 2022-07-14 tracey 	    GOTWEB_GIT_DIR) == -1)
1242 a596b957 2022-07-14 tracey 		return got_error_from_errno("asprintf");
1243 a596b957 2022-07-14 tracey 
1244 a596b957 2022-07-14 tracey 	dt = opendir(dir_test);
1245 a596b957 2022-07-14 tracey 	if (dt == NULL) {
1246 a596b957 2022-07-14 tracey 		free(dir_test);
1247 a596b957 2022-07-14 tracey 	} else {
1248 0fad85dd 2022-09-01 op 		repo_dir->path = dir_test;
1249 a596b957 2022-07-14 tracey 		dir_test = NULL;
1250 0fad85dd 2022-09-01 op 		goto done;
1251 a596b957 2022-07-14 tracey 	}
1252 a596b957 2022-07-14 tracey 
1253 a596b957 2022-07-14 tracey 	if (asprintf(&dir_test, "%s/%s", srv->repos_path,
1254 0fad85dd 2022-09-01 op 	    repo_dir->name) == -1)
1255 0fad85dd 2022-09-01 op 		return got_error_from_errno("asprintf");
1256 a596b957 2022-07-14 tracey 
1257 a596b957 2022-07-14 tracey 	dt = opendir(dir_test);
1258 a596b957 2022-07-14 tracey 	if (dt == NULL) {
1259 a596b957 2022-07-14 tracey 		error = got_error_path(repo_dir->name, GOT_ERR_NOT_GIT_REPO);
1260 a596b957 2022-07-14 tracey 		goto err;
1261 0fad85dd 2022-09-01 op 	} else {
1262 0fad85dd 2022-09-01 op 		repo_dir->path = dir_test;
1263 0fad85dd 2022-09-01 op 		dir_test = NULL;
1264 0fad85dd 2022-09-01 op 	}
1265 0fad85dd 2022-09-01 op 
1266 a596b957 2022-07-14 tracey done:
1267 d5996b9e 2022-10-31 landry 	if (srv->respect_exportok &&
1268 d5996b9e 2022-10-31 landry 	    faccessat(dirfd(dt), "git-daemon-export-ok", F_OK, 0) == -1) {
1269 d5996b9e 2022-10-31 landry 		error = got_error_path(repo_dir->name, GOT_ERR_NOT_GIT_REPO);
1270 d5996b9e 2022-10-31 landry 		goto err;
1271 d5996b9e 2022-10-31 landry 	}
1272 d5996b9e 2022-10-31 landry 
1273 b5c757f5 2022-09-01 stsp 	repo = find_cached_repo(srv, repo_dir->path);
1274 b5c757f5 2022-09-01 stsp 	if (repo == NULL) {
1275 b5c757f5 2022-09-01 stsp 		error = cache_repo(&repo, srv, repo_dir, sock);
1276 b5c757f5 2022-09-01 stsp 		if (error)
1277 b5c757f5 2022-09-01 stsp 			goto err;
1278 b5c757f5 2022-09-01 stsp 	}
1279 b5c757f5 2022-09-01 stsp 	t->repo = repo;
1280 a596b957 2022-07-14 tracey 	error = gotweb_get_repo_description(&repo_dir->description, srv,
1281 3b81530f 2022-11-22 op 	    repo_dir->path, dirfd(dt));
1282 a596b957 2022-07-14 tracey 	if (error)
1283 a596b957 2022-07-14 tracey 		goto err;
1284 c127fc49 2022-11-22 op 	error = got_get_repo_owner(&repo_dir->owner, c);
1285 a596b957 2022-07-14 tracey 	if (error)
1286 a596b957 2022-07-14 tracey 		goto err;
1287 cb93ab40 2023-01-22 op 	error = got_get_repo_age(&repo_dir->age, c, NULL);
1288 a596b957 2022-07-14 tracey 	if (error)
1289 a596b957 2022-07-14 tracey 		goto err;
1290 3b81530f 2022-11-22 op 	error = gotweb_get_clone_url(&repo_dir->url, srv, repo_dir->path,
1291 3b81530f 2022-11-22 op 	    dirfd(dt));
1292 a596b957 2022-07-14 tracey err:
1293 a596b957 2022-07-14 tracey 	free(dir_test);
1294 0fad85dd 2022-09-01 op 	if (dt != NULL && closedir(dt) == EOF && error == NULL)
1295 0fad85dd 2022-09-01 op 		error = got_error_from_errno("closedir");
1296 a596b957 2022-07-14 tracey 	return error;
1297 a596b957 2022-07-14 tracey }
1298 a596b957 2022-07-14 tracey 
1299 a596b957 2022-07-14 tracey static const struct got_error *
1300 a596b957 2022-07-14 tracey gotweb_init_repo_dir(struct repo_dir **repo_dir, const char *dir)
1301 a596b957 2022-07-14 tracey {
1302 a596b957 2022-07-14 tracey 	const struct got_error *error;
1303 a596b957 2022-07-14 tracey 
1304 a596b957 2022-07-14 tracey 	*repo_dir = calloc(1, sizeof(**repo_dir));
1305 a596b957 2022-07-14 tracey 	if (*repo_dir == NULL)
1306 a596b957 2022-07-14 tracey 		return got_error_from_errno("calloc");
1307 a596b957 2022-07-14 tracey 
1308 a596b957 2022-07-14 tracey 	if (asprintf(&(*repo_dir)->name, "%s", dir) == -1) {
1309 a596b957 2022-07-14 tracey 		error = got_error_from_errno("asprintf");
1310 a596b957 2022-07-14 tracey 		free(*repo_dir);
1311 a596b957 2022-07-14 tracey 		*repo_dir = NULL;
1312 a596b957 2022-07-14 tracey 		return error;
1313 a596b957 2022-07-14 tracey 	}
1314 a596b957 2022-07-14 tracey 	(*repo_dir)->owner = NULL;
1315 a596b957 2022-07-14 tracey 	(*repo_dir)->description = NULL;
1316 a596b957 2022-07-14 tracey 	(*repo_dir)->url = NULL;
1317 a596b957 2022-07-14 tracey 	(*repo_dir)->path = NULL;
1318 a596b957 2022-07-14 tracey 
1319 a596b957 2022-07-14 tracey 	return NULL;
1320 a596b957 2022-07-14 tracey }
1321 a596b957 2022-07-14 tracey 
1322 a596b957 2022-07-14 tracey static const struct got_error *
1323 3b81530f 2022-11-22 op gotweb_get_repo_description(char **description, struct server *srv,
1324 3b81530f 2022-11-22 op     const char *dirpath, int dir)
1325 a596b957 2022-07-14 tracey {
1326 a596b957 2022-07-14 tracey 	const struct got_error *error = NULL;
1327 3b81530f 2022-11-22 op 	struct stat sb;
1328 3b81530f 2022-11-22 op 	int fd = -1;
1329 3b81530f 2022-11-22 op 	off_t len;
1330 a596b957 2022-07-14 tracey 
1331 a596b957 2022-07-14 tracey 	*description = NULL;
1332 a596b957 2022-07-14 tracey 	if (srv->show_repo_description == 0)
1333 a596b957 2022-07-14 tracey 		return NULL;
1334 a596b957 2022-07-14 tracey 
1335 3b81530f 2022-11-22 op 	fd = openat(dir, "description", O_RDONLY);
1336 3b81530f 2022-11-22 op 	if (fd == -1) {
1337 3b81530f 2022-11-22 op 		if (errno != ENOENT && errno != EACCES) {
1338 3b81530f 2022-11-22 op 			error = got_error_from_errno_fmt("openat %s/%s",
1339 3b81530f 2022-11-22 op 			    dirpath, "description");
1340 3b81530f 2022-11-22 op 		}
1341 a596b957 2022-07-14 tracey 		goto done;
1342 a596b957 2022-07-14 tracey 	}
1343 a596b957 2022-07-14 tracey 
1344 3b81530f 2022-11-22 op 	if (fstat(fd, &sb) == -1) {
1345 3b81530f 2022-11-22 op 		error = got_error_from_errno_fmt("fstat %s/%s",
1346 3b81530f 2022-11-22 op 		    dirpath, "description");
1347 a596b957 2022-07-14 tracey 		goto done;
1348 a596b957 2022-07-14 tracey 	}
1349 a596b957 2022-07-14 tracey 
1350 3b81530f 2022-11-22 op 	len = sb.st_size;
1351 270c41a2 2022-12-01 op 	if (len > GOTWEBD_MAXDESCRSZ - 1)
1352 270c41a2 2022-12-01 op 		len = GOTWEBD_MAXDESCRSZ - 1;
1353 a596b957 2022-07-14 tracey 
1354 a596b957 2022-07-14 tracey 	*description = calloc(len + 1, sizeof(**description));
1355 a596b957 2022-07-14 tracey 	if (*description == NULL) {
1356 a596b957 2022-07-14 tracey 		error = got_error_from_errno("calloc");
1357 a596b957 2022-07-14 tracey 		goto done;
1358 a596b957 2022-07-14 tracey 	}
1359 a596b957 2022-07-14 tracey 
1360 3b81530f 2022-11-22 op 	if (read(fd, *description, len) == -1)
1361 3b81530f 2022-11-22 op 		error = got_error_from_errno("read");
1362 a596b957 2022-07-14 tracey done:
1363 3b81530f 2022-11-22 op 	if (fd != -1 && close(fd) == -1 && error == NULL)
1364 3b81530f 2022-11-22 op 		error = got_error_from_errno("close");
1365 a596b957 2022-07-14 tracey 	return error;
1366 a596b957 2022-07-14 tracey }
1367 a596b957 2022-07-14 tracey 
1368 a596b957 2022-07-14 tracey static const struct got_error *
1369 3b81530f 2022-11-22 op gotweb_get_clone_url(char **url, struct server *srv, const char *dirpath,
1370 3b81530f 2022-11-22 op     int dir)
1371 a596b957 2022-07-14 tracey {
1372 a596b957 2022-07-14 tracey 	const struct got_error *error = NULL;
1373 3b81530f 2022-11-22 op 	struct stat sb;
1374 3b81530f 2022-11-22 op 	int fd = -1;
1375 3b81530f 2022-11-22 op 	off_t len;
1376 a596b957 2022-07-14 tracey 
1377 a596b957 2022-07-14 tracey 	*url = NULL;
1378 a596b957 2022-07-14 tracey 	if (srv->show_repo_cloneurl == 0)
1379 a596b957 2022-07-14 tracey 		return NULL;
1380 a596b957 2022-07-14 tracey 
1381 3b81530f 2022-11-22 op 	fd = openat(dir, "cloneurl", O_RDONLY);
1382 3b81530f 2022-11-22 op 	if (fd == -1) {
1383 3b81530f 2022-11-22 op 		if (errno != ENOENT && errno != EACCES) {
1384 3b81530f 2022-11-22 op 			error = got_error_from_errno_fmt("openat %s/%s",
1385 3b81530f 2022-11-22 op 			    dirpath, "cloneurl");
1386 3b81530f 2022-11-22 op 		}
1387 a596b957 2022-07-14 tracey 		goto done;
1388 a596b957 2022-07-14 tracey 	}
1389 a596b957 2022-07-14 tracey 
1390 3b81530f 2022-11-22 op 	if (fstat(fd, &sb) == -1) {
1391 3b81530f 2022-11-22 op 		error = got_error_from_errno_fmt("fstat %s/%s",
1392 3b81530f 2022-11-22 op 		    dirpath, "cloneurl");
1393 a596b957 2022-07-14 tracey 		goto done;
1394 a596b957 2022-07-14 tracey 	}
1395 a596b957 2022-07-14 tracey 
1396 3b81530f 2022-11-22 op 	len = sb.st_size;
1397 270c41a2 2022-12-01 op 	if (len > GOTWEBD_MAXCLONEURLSZ - 1)
1398 270c41a2 2022-12-01 op 		len = GOTWEBD_MAXCLONEURLSZ - 1;
1399 a596b957 2022-07-14 tracey 
1400 a596b957 2022-07-14 tracey 	*url = calloc(len + 1, sizeof(**url));
1401 a596b957 2022-07-14 tracey 	if (*url == NULL) {
1402 a596b957 2022-07-14 tracey 		error = got_error_from_errno("calloc");
1403 a596b957 2022-07-14 tracey 		goto done;
1404 a596b957 2022-07-14 tracey 	}
1405 a596b957 2022-07-14 tracey 
1406 3b81530f 2022-11-22 op 	if (read(fd, *url, len) == -1)
1407 3b81530f 2022-11-22 op 		error = got_error_from_errno("read");
1408 a596b957 2022-07-14 tracey done:
1409 3b81530f 2022-11-22 op 	if (fd != -1 && close(fd) == -1 && error == NULL)
1410 3b81530f 2022-11-22 op 		error = got_error_from_errno("close");
1411 a596b957 2022-07-14 tracey 	return error;
1412 a596b957 2022-07-14 tracey }
1413 a596b957 2022-07-14 tracey 
1414 cb93ab40 2023-01-22 op int
1415 cb93ab40 2023-01-22 op gotweb_render_age(struct template *tp, time_t committer_time, int ref_tm)
1416 a596b957 2022-07-14 tracey {
1417 cb93ab40 2023-01-22 op 	struct request *c = tp->tp_arg;
1418 a596b957 2022-07-14 tracey 	struct tm tm;
1419 fced5a66 2022-07-20 naddy 	long long diff_time;
1420 a596b957 2022-07-14 tracey 	const char *years = "years ago", *months = "months ago";
1421 a596b957 2022-07-14 tracey 	const char *weeks = "weeks ago", *days = "days ago";
1422 a596b957 2022-07-14 tracey 	const char *hours = "hours ago",  *minutes = "minutes ago";
1423 a596b957 2022-07-14 tracey 	const char *seconds = "seconds ago", *now = "right now";
1424 a596b957 2022-07-14 tracey 	char *s;
1425 1abb18e1 2022-12-20 op 	char datebuf[64];
1426 1abb18e1 2022-12-20 op 	size_t r;
1427 a596b957 2022-07-14 tracey 
1428 a596b957 2022-07-14 tracey 	switch (ref_tm) {
1429 a596b957 2022-07-14 tracey 	case TM_DIFF:
1430 a596b957 2022-07-14 tracey 		diff_time = time(NULL) - committer_time;
1431 a596b957 2022-07-14 tracey 		if (diff_time > 60 * 60 * 24 * 365 * 2) {
1432 cb93ab40 2023-01-22 op 			if (fcgi_printf(c, "%lld %s",
1433 a596b957 2022-07-14 tracey 			    (diff_time / 60 / 60 / 24 / 365), years) == -1)
1434 cb93ab40 2023-01-22 op 				return -1;
1435 a596b957 2022-07-14 tracey 		} else if (diff_time > 60 * 60 * 24 * (365 / 12) * 2) {
1436 cb93ab40 2023-01-22 op 			if (fcgi_printf(c, "%lld %s",
1437 a596b957 2022-07-14 tracey 			    (diff_time / 60 / 60 / 24 / (365 / 12)),
1438 a596b957 2022-07-14 tracey 			    months) == -1)
1439 cb93ab40 2023-01-22 op 				return -1;
1440 a596b957 2022-07-14 tracey 		} else if (diff_time > 60 * 60 * 24 * 7 * 2) {
1441 cb93ab40 2023-01-22 op 			if (fcgi_printf(c, "%lld %s",
1442 a596b957 2022-07-14 tracey 			    (diff_time / 60 / 60 / 24 / 7), weeks) == -1)
1443 cb93ab40 2023-01-22 op 				return -1;
1444 a596b957 2022-07-14 tracey 		} else if (diff_time > 60 * 60 * 24 * 2) {
1445 cb93ab40 2023-01-22 op 			if (fcgi_printf(c, "%lld %s",
1446 a596b957 2022-07-14 tracey 			    (diff_time / 60 / 60 / 24), days) == -1)
1447 cb93ab40 2023-01-22 op 				return -1;
1448 a596b957 2022-07-14 tracey 		} else if (diff_time > 60 * 60 * 2) {
1449 cb93ab40 2023-01-22 op 			if (fcgi_printf(c, "%lld %s",
1450 a596b957 2022-07-14 tracey 			    (diff_time / 60 / 60), hours) == -1)
1451 cb93ab40 2023-01-22 op 				return -1;
1452 a596b957 2022-07-14 tracey 		} else if (diff_time > 60 * 2) {
1453 cb93ab40 2023-01-22 op 			if (fcgi_printf(c, "%lld %s", (diff_time / 60),
1454 a596b957 2022-07-14 tracey 			    minutes) == -1)
1455 cb93ab40 2023-01-22 op 				return -1;
1456 cb93ab40 2023-01-22 op 		} else if (diff_time > 2) {
1457 cb93ab40 2023-01-22 op 			if (fcgi_printf(c, "%lld %s", diff_time,
1458 a596b957 2022-07-14 tracey 			    seconds) == -1)
1459 cb93ab40 2023-01-22 op 				return -1;
1460 a596b957 2022-07-14 tracey 		} else {
1461 cb93ab40 2023-01-22 op 			if (fcgi_puts(tp, now) == -1)
1462 cb93ab40 2023-01-22 op 				return -1;
1463 a596b957 2022-07-14 tracey 		}
1464 a596b957 2022-07-14 tracey 		break;
1465 a596b957 2022-07-14 tracey 	case TM_LONG:
1466 a596b957 2022-07-14 tracey 		if (gmtime_r(&committer_time, &tm) == NULL)
1467 cb93ab40 2023-01-22 op 			return -1;
1468 a596b957 2022-07-14 tracey 
1469 a596b957 2022-07-14 tracey 		s = asctime_r(&tm, datebuf);
1470 a596b957 2022-07-14 tracey 		if (s == NULL)
1471 cb93ab40 2023-01-22 op 			return -1;
1472 a596b957 2022-07-14 tracey 
1473 cb93ab40 2023-01-22 op 		if (fcgi_puts(tp, datebuf) == -1 ||
1474 cb93ab40 2023-01-22 op 		    fcgi_puts(tp, " UTC") == -1)
1475 cb93ab40 2023-01-22 op 			return -1;
1476 a596b957 2022-07-14 tracey 		break;
1477 1abb18e1 2022-12-20 op 	case TM_RFC822:
1478 1abb18e1 2022-12-20 op 		if (gmtime_r(&committer_time, &tm) == NULL)
1479 cb93ab40 2023-01-22 op 			return -1;
1480 1abb18e1 2022-12-20 op 
1481 1abb18e1 2022-12-20 op 		r = strftime(datebuf, sizeof(datebuf),
1482 1abb18e1 2022-12-20 op 		    "%a, %d %b %Y %H:%M:%S GMT", &tm);
1483 1abb18e1 2022-12-20 op 		if (r == 0)
1484 cb93ab40 2023-01-22 op 			return -1;
1485 1abb18e1 2022-12-20 op 
1486 cb93ab40 2023-01-22 op 		if (fcgi_puts(tp, datebuf) == -1)
1487 cb93ab40 2023-01-22 op 			return -1;
1488 1abb18e1 2022-12-20 op 		break;
1489 a596b957 2022-07-14 tracey 	}
1490 cb93ab40 2023-01-22 op 	return 0;
1491 b4c20a19 2022-07-15 naddy }