1 a596b957 2022-07-14 tracey /*
   2 a596b957 2022-07-14 tracey  * Copyright (c) 2020-2022 Tracey Emery <tracey@traceyemery.net>
   3 a596b957 2022-07-14 tracey  * Copyright (c) 2018, 2019 Stefan Sperling <stsp@openbsd.org>
   4 a596b957 2022-07-14 tracey  *
   5 a596b957 2022-07-14 tracey  * Permission to use, copy, modify, and distribute this software for any
   6 a596b957 2022-07-14 tracey  * purpose with or without fee is hereby granted, provided that the above
   7 a596b957 2022-07-14 tracey  * copyright notice and this permission notice appear in all copies.
   8 a596b957 2022-07-14 tracey  *
   9 a596b957 2022-07-14 tracey  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  10 a596b957 2022-07-14 tracey  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  11 a596b957 2022-07-14 tracey  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  12 a596b957 2022-07-14 tracey  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  13 a596b957 2022-07-14 tracey  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  14 a596b957 2022-07-14 tracey  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  15 a596b957 2022-07-14 tracey  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  16 a596b957 2022-07-14 tracey  */
  17 a596b957 2022-07-14 tracey 
  18 b4c20a19 2022-07-15 naddy #include <sys/queue.h>
  19 a596b957 2022-07-14 tracey #include <sys/socket.h>
  20 a596b957 2022-07-14 tracey #include <sys/stat.h>
  21 a596b957 2022-07-14 tracey 
  22 a596b957 2022-07-14 tracey #include <event.h>
  23 a596b957 2022-07-14 tracey #include <imsg.h>
  24 a596b957 2022-07-14 tracey #include <sha1.h>
  25 a596b957 2022-07-14 tracey #include <stdlib.h>
  26 a596b957 2022-07-14 tracey #include <stdio.h>
  27 a596b957 2022-07-14 tracey #include <string.h>
  28 a596b957 2022-07-14 tracey #include <unistd.h>
  29 a596b957 2022-07-14 tracey 
  30 a596b957 2022-07-14 tracey #include "got_error.h"
  31 a596b957 2022-07-14 tracey #include "got_object.h"
  32 a596b957 2022-07-14 tracey #include "got_reference.h"
  33 a596b957 2022-07-14 tracey #include "got_repository.h"
  34 a596b957 2022-07-14 tracey #include "got_path.h"
  35 a596b957 2022-07-14 tracey #include "got_cancel.h"
  36 a596b957 2022-07-14 tracey #include "got_diff.h"
  37 a596b957 2022-07-14 tracey #include "got_commit_graph.h"
  38 a596b957 2022-07-14 tracey #include "got_blame.h"
  39 a596b957 2022-07-14 tracey #include "got_privsep.h"
  40 a596b957 2022-07-14 tracey 
  41 a596b957 2022-07-14 tracey #include "proc.h"
  42 a596b957 2022-07-14 tracey #include "gotwebd.h"
  43 a596b957 2022-07-14 tracey 
  44 a596b957 2022-07-14 tracey static const struct got_error *got_init_repo_commit(struct repo_commit **);
  45 a596b957 2022-07-14 tracey static const struct got_error *got_init_repo_tag(struct repo_tag **);
  46 a596b957 2022-07-14 tracey static const struct got_error *got_get_repo_commit(struct request *,
  47 a596b957 2022-07-14 tracey     struct repo_commit *, struct got_commit_object *, struct got_reflist_head *,
  48 a596b957 2022-07-14 tracey     struct got_object_id *);
  49 a596b957 2022-07-14 tracey static const struct got_error *got_gotweb_dupfd(int *, int *);
  50 a596b957 2022-07-14 tracey static const struct got_error *got_gotweb_openfile(FILE **, int *, int *);
  51 a596b957 2022-07-14 tracey static const struct got_error *got_gotweb_flushfile(FILE *, int);
  52 a596b957 2022-07-14 tracey static const struct got_error *got_gotweb_blame_cb(void *, int, int,
  53 a596b957 2022-07-14 tracey     struct got_commit_object *,struct got_object_id *);
  54 a596b957 2022-07-14 tracey 
  55 a596b957 2022-07-14 tracey static const struct got_error *
  56 a596b957 2022-07-14 tracey got_gotweb_flushfile(FILE *f, int fd)
  57 a596b957 2022-07-14 tracey {
  58 a596b957 2022-07-14 tracey 	if (fseek(f, 0, SEEK_SET) == -1)
  59 a596b957 2022-07-14 tracey 		return got_error_from_errno("fseek");
  60 a596b957 2022-07-14 tracey 
  61 a596b957 2022-07-14 tracey 	if (ftruncate(fd, 0) == -1)
  62 a596b957 2022-07-14 tracey 		return got_error_from_errno("ftruncate");
  63 a596b957 2022-07-14 tracey 
  64 a596b957 2022-07-14 tracey 	if (fsync(fd) == -1)
  65 a596b957 2022-07-14 tracey 		return got_error_from_errno("fsync");
  66 a596b957 2022-07-14 tracey 
  67 a596b957 2022-07-14 tracey 	if (f && fclose(f) == EOF)
  68 a596b957 2022-07-14 tracey 		return got_error_from_errno("fclose");
  69 a596b957 2022-07-14 tracey 
  70 a596b957 2022-07-14 tracey 	if (fd != -1 && close(fd) != -1)
  71 a596b957 2022-07-14 tracey 		return got_error_from_errno("close");
  72 a596b957 2022-07-14 tracey 
  73 a596b957 2022-07-14 tracey 	return NULL;
  74 a596b957 2022-07-14 tracey }
  75 a596b957 2022-07-14 tracey 
  76 a596b957 2022-07-14 tracey static const struct got_error *
  77 a596b957 2022-07-14 tracey got_gotweb_openfile(FILE **f, int *priv_fd, int *fd)
  78 a596b957 2022-07-14 tracey {
  79 a596b957 2022-07-14 tracey 	*fd = dup(*priv_fd);
  80 e9d3ad59 2022-08-31 stsp 	if (*fd == -1)
  81 e9d3ad59 2022-08-31 stsp 		return got_error_from_errno("dup");
  82 a596b957 2022-07-14 tracey 
  83 a596b957 2022-07-14 tracey 	*f = fdopen(*fd, "w+");
  84 a596b957 2022-07-14 tracey 	if (*f == NULL) {
  85 a596b957 2022-07-14 tracey 		close(*fd);
  86 dd84f505 2022-08-31 stsp 		return got_error(GOT_ERR_PRIVSEP_NO_FD);
  87 a596b957 2022-07-14 tracey 	}
  88 a596b957 2022-07-14 tracey 
  89 dd84f505 2022-08-31 stsp 	return NULL;
  90 a596b957 2022-07-14 tracey }
  91 a596b957 2022-07-14 tracey 
  92 a596b957 2022-07-14 tracey static const struct got_error *
  93 a596b957 2022-07-14 tracey got_gotweb_dupfd(int *priv_fd, int *fd)
  94 a596b957 2022-07-14 tracey {
  95 a596b957 2022-07-14 tracey 	*fd = dup(*priv_fd);
  96 a596b957 2022-07-14 tracey 
  97 a596b957 2022-07-14 tracey 	if (*fd < 0)
  98 a596b957 2022-07-14 tracey 		return NULL;
  99 a596b957 2022-07-14 tracey 
 100 dd84f505 2022-08-31 stsp 	return NULL;
 101 a596b957 2022-07-14 tracey }
 102 a596b957 2022-07-14 tracey 
 103 a596b957 2022-07-14 tracey const struct got_error *
 104 c127fc49 2022-11-22 op got_get_repo_owner(char **owner, struct request *c)
 105 a596b957 2022-07-14 tracey {
 106 a596b957 2022-07-14 tracey 	struct server *srv = c->srv;
 107 a596b957 2022-07-14 tracey 	struct transport *t = c->t;
 108 a596b957 2022-07-14 tracey 	struct got_repository *repo = t->repo;
 109 a596b957 2022-07-14 tracey 	const char *gitconfig_owner;
 110 a596b957 2022-07-14 tracey 
 111 a596b957 2022-07-14 tracey 	*owner = NULL;
 112 a596b957 2022-07-14 tracey 
 113 a596b957 2022-07-14 tracey 	if (srv->show_repo_owner == 0)
 114 a596b957 2022-07-14 tracey 		return NULL;
 115 a596b957 2022-07-14 tracey 
 116 a596b957 2022-07-14 tracey 	gitconfig_owner = got_repo_get_gitconfig_owner(repo);
 117 a596b957 2022-07-14 tracey 	if (gitconfig_owner) {
 118 a596b957 2022-07-14 tracey 		*owner = strdup(gitconfig_owner);
 119 1999985f 2022-08-30 tracey 		if (*owner == NULL)
 120 1999985f 2022-08-30 tracey 			return got_error_from_errno("strdup");
 121 1999985f 2022-08-30 tracey 	} else {
 122 1999985f 2022-08-30 tracey 		*owner = strdup("");
 123 a596b957 2022-07-14 tracey 		if (*owner == NULL)
 124 a596b957 2022-07-14 tracey 			return got_error_from_errno("strdup");
 125 a596b957 2022-07-14 tracey 	}
 126 dd84f505 2022-08-31 stsp 	return NULL;
 127 a596b957 2022-07-14 tracey }
 128 a596b957 2022-07-14 tracey 
 129 a596b957 2022-07-14 tracey const struct got_error *
 130 c127fc49 2022-11-22 op got_get_repo_age(char **repo_age, struct request *c,
 131 a596b957 2022-07-14 tracey     const char *refname, int ref_tm)
 132 a596b957 2022-07-14 tracey {
 133 a596b957 2022-07-14 tracey 	const struct got_error *error = NULL;
 134 a596b957 2022-07-14 tracey 	struct server *srv = c->srv;
 135 a596b957 2022-07-14 tracey 	struct transport *t = c->t;
 136 a596b957 2022-07-14 tracey 	struct got_repository *repo = t->repo;
 137 a596b957 2022-07-14 tracey 	struct got_commit_object *commit = NULL;
 138 a596b957 2022-07-14 tracey 	struct got_reflist_head refs;
 139 a596b957 2022-07-14 tracey 	struct got_reflist_entry *re;
 140 a596b957 2022-07-14 tracey 	time_t committer_time = 0, cmp_time = 0;
 141 a596b957 2022-07-14 tracey 
 142 a596b957 2022-07-14 tracey 	*repo_age = NULL;
 143 a596b957 2022-07-14 tracey 	TAILQ_INIT(&refs);
 144 a596b957 2022-07-14 tracey 
 145 a596b957 2022-07-14 tracey 	if (srv->show_repo_age == 0)
 146 a596b957 2022-07-14 tracey 		return NULL;
 147 a596b957 2022-07-14 tracey 
 148 a596b957 2022-07-14 tracey 	error = got_ref_list(&refs, repo, "refs/heads",
 149 a596b957 2022-07-14 tracey 	    got_ref_cmp_by_name, NULL);
 150 a596b957 2022-07-14 tracey 	if (error)
 151 a596b957 2022-07-14 tracey 		goto done;
 152 a596b957 2022-07-14 tracey 
 153 a596b957 2022-07-14 tracey 	/*
 154 a596b957 2022-07-14 tracey 	 * Find the youngest branch tip in the repository, or the age of
 155 a596b957 2022-07-14 tracey 	 * the a specific branch tip if a name was provided by the caller.
 156 a596b957 2022-07-14 tracey 	 */
 157 a596b957 2022-07-14 tracey 	TAILQ_FOREACH(re, &refs, entry) {
 158 a596b957 2022-07-14 tracey 		struct got_object_id *id = NULL;
 159 a596b957 2022-07-14 tracey 
 160 a596b957 2022-07-14 tracey 		if (refname && strcmp(got_ref_get_name(re->ref), refname) != 0)
 161 a596b957 2022-07-14 tracey 			continue;
 162 a596b957 2022-07-14 tracey 
 163 a596b957 2022-07-14 tracey 		error = got_ref_resolve(&id, repo, re->ref);
 164 a596b957 2022-07-14 tracey 		if (error)
 165 a596b957 2022-07-14 tracey 			goto done;
 166 a596b957 2022-07-14 tracey 
 167 a596b957 2022-07-14 tracey 		error = got_object_open_as_commit(&commit, repo, id);
 168 a596b957 2022-07-14 tracey 		free(id);
 169 a596b957 2022-07-14 tracey 		if (error)
 170 a596b957 2022-07-14 tracey 			goto done;
 171 a596b957 2022-07-14 tracey 
 172 a596b957 2022-07-14 tracey 		committer_time =
 173 a596b957 2022-07-14 tracey 		    got_object_commit_get_committer_time(commit);
 174 a596b957 2022-07-14 tracey 		got_object_commit_close(commit);
 175 a596b957 2022-07-14 tracey 		if (cmp_time < committer_time)
 176 a596b957 2022-07-14 tracey 			cmp_time = committer_time;
 177 a596b957 2022-07-14 tracey 
 178 a596b957 2022-07-14 tracey 		if (refname)
 179 a596b957 2022-07-14 tracey 			break;
 180 a596b957 2022-07-14 tracey 	}
 181 a596b957 2022-07-14 tracey 
 182 a596b957 2022-07-14 tracey 	if (cmp_time != 0) {
 183 a596b957 2022-07-14 tracey 		committer_time = cmp_time;
 184 a596b957 2022-07-14 tracey 		error = gotweb_get_time_str(repo_age, committer_time, ref_tm);
 185 a596b957 2022-07-14 tracey 	}
 186 a596b957 2022-07-14 tracey done:
 187 a596b957 2022-07-14 tracey 	got_ref_list_free(&refs);
 188 a596b957 2022-07-14 tracey 	return error;
 189 a596b957 2022-07-14 tracey }
 190 a596b957 2022-07-14 tracey 
 191 a596b957 2022-07-14 tracey static const struct got_error *
 192 a596b957 2022-07-14 tracey got_get_repo_commit(struct request *c, struct repo_commit *repo_commit,
 193 a596b957 2022-07-14 tracey     struct got_commit_object *commit, struct got_reflist_head *refs,
 194 a596b957 2022-07-14 tracey     struct got_object_id *id)
 195 a596b957 2022-07-14 tracey {
 196 a596b957 2022-07-14 tracey 	const struct got_error *error = NULL;
 197 a596b957 2022-07-14 tracey 	struct got_reflist_entry *re;
 198 a596b957 2022-07-14 tracey 	struct got_object_id *id2 = NULL;
 199 a596b957 2022-07-14 tracey 	struct got_object_qid *parent_id;
 200 a596b957 2022-07-14 tracey 	struct transport *t = c->t;
 201 a596b957 2022-07-14 tracey 	struct querystring *qs = c->t->qs;
 202 a596b957 2022-07-14 tracey 	char *commit_msg = NULL, *commit_msg0;
 203 a596b957 2022-07-14 tracey 
 204 a596b957 2022-07-14 tracey 	TAILQ_FOREACH(re, refs, entry) {
 205 a596b957 2022-07-14 tracey 		char *s;
 206 a596b957 2022-07-14 tracey 		const char *name;
 207 a596b957 2022-07-14 tracey 		struct got_tag_object *tag = NULL;
 208 a596b957 2022-07-14 tracey 		struct got_object_id *ref_id;
 209 a596b957 2022-07-14 tracey 		int cmp;
 210 a596b957 2022-07-14 tracey 
 211 a596b957 2022-07-14 tracey 		if (got_ref_is_symbolic(re->ref))
 212 a596b957 2022-07-14 tracey 			continue;
 213 a596b957 2022-07-14 tracey 
 214 a596b957 2022-07-14 tracey 		name = got_ref_get_name(re->ref);
 215 a596b957 2022-07-14 tracey 		if (strncmp(name, "refs/", 5) == 0)
 216 a596b957 2022-07-14 tracey 			name += 5;
 217 a596b957 2022-07-14 tracey 		if (strncmp(name, "got/", 4) == 0)
 218 a596b957 2022-07-14 tracey 			continue;
 219 a596b957 2022-07-14 tracey 		if (strncmp(name, "heads/", 6) == 0)
 220 a596b957 2022-07-14 tracey 			name += 6;
 221 a596b957 2022-07-14 tracey 		if (strncmp(name, "remotes/", 8) == 0) {
 222 a596b957 2022-07-14 tracey 			name += 8;
 223 341fa7ca 2022-09-01 op 			if (strstr(name, "/" GOT_REF_HEAD) != NULL)
 224 a596b957 2022-07-14 tracey 				continue;
 225 a596b957 2022-07-14 tracey 		}
 226 a596b957 2022-07-14 tracey 		error = got_ref_resolve(&ref_id, t->repo, re->ref);
 227 a596b957 2022-07-14 tracey 		if (error)
 228 a596b957 2022-07-14 tracey 			return error;
 229 a596b957 2022-07-14 tracey 		if (strncmp(name, "tags/", 5) == 0) {
 230 a596b957 2022-07-14 tracey 			error = got_object_open_as_tag(&tag, t->repo, ref_id);
 231 a596b957 2022-07-14 tracey 			if (error) {
 232 a596b957 2022-07-14 tracey 				if (error->code != GOT_ERR_OBJ_TYPE) {
 233 a596b957 2022-07-14 tracey 					free(ref_id);
 234 a596b957 2022-07-14 tracey 					continue;
 235 a596b957 2022-07-14 tracey 				}
 236 a596b957 2022-07-14 tracey 				/*
 237 a596b957 2022-07-14 tracey 				 * Ref points at something other
 238 a596b957 2022-07-14 tracey 				 * than a tag.
 239 a596b957 2022-07-14 tracey 				 */
 240 a596b957 2022-07-14 tracey 				error = NULL;
 241 a596b957 2022-07-14 tracey 				tag = NULL;
 242 a596b957 2022-07-14 tracey 			}
 243 a596b957 2022-07-14 tracey 		}
 244 a596b957 2022-07-14 tracey 		cmp = got_object_id_cmp(tag ?
 245 a596b957 2022-07-14 tracey 		    got_object_tag_get_object_id(tag) : ref_id, id);
 246 a596b957 2022-07-14 tracey 		free(ref_id);
 247 a596b957 2022-07-14 tracey 		if (tag)
 248 a596b957 2022-07-14 tracey 			got_object_tag_close(tag);
 249 a596b957 2022-07-14 tracey 		if (cmp != 0)
 250 a596b957 2022-07-14 tracey 			continue;
 251 a596b957 2022-07-14 tracey 		s = repo_commit->refs_str;
 252 a596b957 2022-07-14 tracey 		if (asprintf(&repo_commit->refs_str, "%s%s%s", s ? s : "",
 253 a596b957 2022-07-14 tracey 		    s ? ", " : "", name) == -1) {
 254 a596b957 2022-07-14 tracey 			error = got_error_from_errno("asprintf");
 255 a596b957 2022-07-14 tracey 			free(s);
 256 a596b957 2022-07-14 tracey 			repo_commit->refs_str = NULL;
 257 a596b957 2022-07-14 tracey 			return error;
 258 a596b957 2022-07-14 tracey 		}
 259 a596b957 2022-07-14 tracey 		free(s);
 260 a596b957 2022-07-14 tracey 	}
 261 a596b957 2022-07-14 tracey 
 262 a596b957 2022-07-14 tracey 	error = got_object_id_str(&repo_commit->commit_id, id);
 263 a596b957 2022-07-14 tracey 	if (error)
 264 a596b957 2022-07-14 tracey 		return error;
 265 a596b957 2022-07-14 tracey 
 266 a596b957 2022-07-14 tracey 	error = got_object_id_str(&repo_commit->tree_id,
 267 a596b957 2022-07-14 tracey 	    got_object_commit_get_tree_id(commit));
 268 a596b957 2022-07-14 tracey 	if (error)
 269 a596b957 2022-07-14 tracey 		return error;
 270 a596b957 2022-07-14 tracey 
 271 a596b957 2022-07-14 tracey 	if (qs->action == DIFF) {
 272 a596b957 2022-07-14 tracey 		parent_id = STAILQ_FIRST(
 273 a596b957 2022-07-14 tracey 		    got_object_commit_get_parent_ids(commit));
 274 a596b957 2022-07-14 tracey 		if (parent_id != NULL) {
 275 a596b957 2022-07-14 tracey 			id2 = got_object_id_dup(&parent_id->id);
 276 a596b957 2022-07-14 tracey 			error = got_object_id_str(&repo_commit->parent_id, id2);
 277 a596b957 2022-07-14 tracey 			if (error)
 278 a596b957 2022-07-14 tracey 				return error;
 279 a596b957 2022-07-14 tracey 			free(id2);
 280 a596b957 2022-07-14 tracey 		} else {
 281 a596b957 2022-07-14 tracey 			repo_commit->parent_id = strdup("/dev/null");
 282 a596b957 2022-07-14 tracey 			if (repo_commit->parent_id == NULL) {
 283 a596b957 2022-07-14 tracey 				error = got_error_from_errno("strdup");
 284 a596b957 2022-07-14 tracey 				return error;
 285 a596b957 2022-07-14 tracey 			}
 286 a596b957 2022-07-14 tracey 		}
 287 a596b957 2022-07-14 tracey 	}
 288 a596b957 2022-07-14 tracey 
 289 a596b957 2022-07-14 tracey 	repo_commit->committer_time =
 290 a596b957 2022-07-14 tracey 	    got_object_commit_get_committer_time(commit);
 291 a596b957 2022-07-14 tracey 
 292 a596b957 2022-07-14 tracey 	repo_commit->author =
 293 a596b957 2022-07-14 tracey 	    strdup(got_object_commit_get_author(commit));
 294 a596b957 2022-07-14 tracey 	if (repo_commit->author == NULL) {
 295 a596b957 2022-07-14 tracey 		error = got_error_from_errno("strdup");
 296 a596b957 2022-07-14 tracey 		return error;
 297 a596b957 2022-07-14 tracey 	}
 298 a596b957 2022-07-14 tracey 	repo_commit->committer =
 299 a596b957 2022-07-14 tracey 	    strdup(got_object_commit_get_committer(commit));
 300 a596b957 2022-07-14 tracey 	if (repo_commit->committer == NULL) {
 301 a596b957 2022-07-14 tracey 		error = got_error_from_errno("strdup");
 302 a596b957 2022-07-14 tracey 		return error;
 303 a596b957 2022-07-14 tracey 	}
 304 a596b957 2022-07-14 tracey 	error = got_object_commit_get_logmsg(&commit_msg0, commit);
 305 a596b957 2022-07-14 tracey 	if (error)
 306 a596b957 2022-07-14 tracey 		return error;
 307 a596b957 2022-07-14 tracey 
 308 a596b957 2022-07-14 tracey 	commit_msg = commit_msg0;
 309 a596b957 2022-07-14 tracey 	while (*commit_msg == '\n')
 310 a596b957 2022-07-14 tracey 		commit_msg++;
 311 a596b957 2022-07-14 tracey 
 312 a596b957 2022-07-14 tracey 	repo_commit->commit_msg = strdup(commit_msg);
 313 a596b957 2022-07-14 tracey 	if (repo_commit->commit_msg == NULL)
 314 a596b957 2022-07-14 tracey 		error = got_error_from_errno("strdup");
 315 a596b957 2022-07-14 tracey 	free(commit_msg0);
 316 a596b957 2022-07-14 tracey 	return error;
 317 a596b957 2022-07-14 tracey }
 318 a596b957 2022-07-14 tracey 
 319 a596b957 2022-07-14 tracey const struct got_error *
 320 a596b957 2022-07-14 tracey got_get_repo_commits(struct request *c, int limit)
 321 a596b957 2022-07-14 tracey {
 322 a596b957 2022-07-14 tracey 	const struct got_error *error = NULL;
 323 a596b957 2022-07-14 tracey 	struct got_object_id *id = NULL;
 324 a596b957 2022-07-14 tracey 	struct got_commit_graph *graph = NULL;
 325 a596b957 2022-07-14 tracey 	struct got_commit_object *commit = NULL;
 326 a596b957 2022-07-14 tracey 	struct got_reflist_head refs;
 327 bce44e0b 2022-09-02 op 	struct got_reference *ref = NULL;
 328 a596b957 2022-07-14 tracey 	struct repo_commit *repo_commit = NULL;
 329 a596b957 2022-07-14 tracey 	struct server *srv = c->srv;
 330 a596b957 2022-07-14 tracey 	struct transport *t = c->t;
 331 a596b957 2022-07-14 tracey 	struct got_repository *repo = t->repo;
 332 a596b957 2022-07-14 tracey 	struct querystring *qs = t->qs;
 333 a596b957 2022-07-14 tracey 	struct repo_dir *repo_dir = t->repo_dir;
 334 a596b957 2022-07-14 tracey 	char *in_repo_path = NULL, *repo_path = NULL, *file_path = NULL;
 335 a596b957 2022-07-14 tracey 	int chk_next = 0, chk_multi = 0, commit_found = 0;
 336 a596b957 2022-07-14 tracey 	int obj_type, limit_chk = 0;
 337 a596b957 2022-07-14 tracey 
 338 a596b957 2022-07-14 tracey 	TAILQ_INIT(&refs);
 339 a596b957 2022-07-14 tracey 
 340 a596b957 2022-07-14 tracey 	if (qs->file != NULL && strlen(qs->file) > 0)
 341 a596b957 2022-07-14 tracey 		if (asprintf(&file_path, "%s/%s", qs->folder ? qs->folder : "",
 342 a596b957 2022-07-14 tracey 		    qs->file) == -1)
 343 a596b957 2022-07-14 tracey 			return got_error_from_errno("asprintf");
 344 a596b957 2022-07-14 tracey 
 345 a596b957 2022-07-14 tracey 	if (asprintf(&repo_path, "%s/%s", srv->repos_path,
 346 89ae185c 2022-09-01 op 	    repo_dir->name) == -1) {
 347 89ae185c 2022-09-01 op 		error = got_error_from_errno("asprintf");
 348 89ae185c 2022-09-01 op 		goto done;
 349 89ae185c 2022-09-01 op 	}
 350 a596b957 2022-07-14 tracey 
 351 a596b957 2022-07-14 tracey 	/*
 352 a596b957 2022-07-14 tracey 	 * XXX: jumping directly to a commit id via
 353 a596b957 2022-07-14 tracey 	 * got_repo_match_object_id_prefix significantly improves performance,
 354 a596b957 2022-07-14 tracey 	 * but does not allow us to create a PREVIOUS button, since commits can
 355 a596b957 2022-07-14 tracey 	 * only be itereated forward. So, we have to match as we iterate from
 356 a596b957 2022-07-14 tracey 	 * the headref.
 357 a596b957 2022-07-14 tracey 	 */
 358 a596b957 2022-07-14 tracey 	if (qs->action == BRIEFS || qs->action == COMMITS ||
 359 a596b957 2022-07-14 tracey 	    (qs->action == TREE && qs->commit == NULL)) {
 360 a596b957 2022-07-14 tracey 		error = got_ref_open(&ref, repo, qs->headref, 0);
 361 a596b957 2022-07-14 tracey 		if (error)
 362 a596b957 2022-07-14 tracey 			goto done;
 363 a596b957 2022-07-14 tracey 
 364 a596b957 2022-07-14 tracey 		error = got_ref_resolve(&id, repo, ref);
 365 a596b957 2022-07-14 tracey 		if (error)
 366 a596b957 2022-07-14 tracey 			goto done;
 367 a596b957 2022-07-14 tracey 	} else if (qs->commit != NULL) {
 368 a596b957 2022-07-14 tracey 		error = got_ref_open(&ref, repo, qs->commit, 0);
 369 a596b957 2022-07-14 tracey 		if (error == NULL) {
 370 a596b957 2022-07-14 tracey 			error = got_ref_resolve(&id, repo, ref);
 371 a596b957 2022-07-14 tracey 			if (error)
 372 a596b957 2022-07-14 tracey 				goto done;
 373 a596b957 2022-07-14 tracey 			error = got_object_get_type(&obj_type, repo, id);
 374 a596b957 2022-07-14 tracey 			if (error)
 375 a596b957 2022-07-14 tracey 				goto done;
 376 a596b957 2022-07-14 tracey 			if (obj_type == GOT_OBJ_TYPE_TAG) {
 377 a596b957 2022-07-14 tracey 				struct got_tag_object *tag;
 378 a596b957 2022-07-14 tracey 				error = got_object_open_as_tag(&tag, repo, id);
 379 a596b957 2022-07-14 tracey 				if (error)
 380 a596b957 2022-07-14 tracey 					goto done;
 381 a596b957 2022-07-14 tracey 				if (got_object_tag_get_object_type(tag) !=
 382 a596b957 2022-07-14 tracey 				    GOT_OBJ_TYPE_COMMIT) {
 383 a596b957 2022-07-14 tracey 					got_object_tag_close(tag);
 384 a596b957 2022-07-14 tracey 					error = got_error(GOT_ERR_OBJ_TYPE);
 385 a596b957 2022-07-14 tracey 					goto done;
 386 a596b957 2022-07-14 tracey 				}
 387 a596b957 2022-07-14 tracey 				free(id);
 388 a596b957 2022-07-14 tracey 				id = got_object_id_dup(
 389 a596b957 2022-07-14 tracey 				    got_object_tag_get_object_id(tag));
 390 a596b957 2022-07-14 tracey 				if (id == NULL)
 391 a596b957 2022-07-14 tracey 					error = got_error_from_errno(
 392 a596b957 2022-07-14 tracey 					    "got_object_id_dup");
 393 a596b957 2022-07-14 tracey 				got_object_tag_close(tag);
 394 a596b957 2022-07-14 tracey 				if (error)
 395 a596b957 2022-07-14 tracey 					goto done;
 396 a596b957 2022-07-14 tracey 			} else if (obj_type != GOT_OBJ_TYPE_COMMIT) {
 397 a596b957 2022-07-14 tracey 				error = got_error(GOT_ERR_OBJ_TYPE);
 398 a596b957 2022-07-14 tracey 				goto done;
 399 a596b957 2022-07-14 tracey 			}
 400 a596b957 2022-07-14 tracey 		}
 401 a596b957 2022-07-14 tracey 		error = got_repo_match_object_id_prefix(&id, qs->commit,
 402 a596b957 2022-07-14 tracey 		    GOT_OBJ_TYPE_COMMIT, repo);
 403 a596b957 2022-07-14 tracey 		if (error)
 404 a596b957 2022-07-14 tracey 			goto done;
 405 a596b957 2022-07-14 tracey 	}
 406 a596b957 2022-07-14 tracey 
 407 a596b957 2022-07-14 tracey 	error = got_repo_map_path(&in_repo_path, repo, repo_path);
 408 a596b957 2022-07-14 tracey 	if (error)
 409 a596b957 2022-07-14 tracey 		goto done;
 410 a596b957 2022-07-14 tracey 
 411 a596b957 2022-07-14 tracey 	error = got_ref_list(&refs, repo, NULL, got_ref_cmp_by_name, NULL);
 412 a596b957 2022-07-14 tracey 	if (error)
 413 a596b957 2022-07-14 tracey 		goto done;
 414 a596b957 2022-07-14 tracey 
 415 a596b957 2022-07-14 tracey 	if (qs->file != NULL && strlen(qs->file) > 0) {
 416 a596b957 2022-07-14 tracey 		error = got_commit_graph_open(&graph, file_path, 0);
 417 a596b957 2022-07-14 tracey 		if (error)
 418 a596b957 2022-07-14 tracey 			goto done;
 419 a596b957 2022-07-14 tracey 	} else {
 420 a596b957 2022-07-14 tracey 		error = got_commit_graph_open(&graph, in_repo_path, 0);
 421 a596b957 2022-07-14 tracey 		if (error)
 422 a596b957 2022-07-14 tracey 			goto done;
 423 a596b957 2022-07-14 tracey 	}
 424 a596b957 2022-07-14 tracey 
 425 a596b957 2022-07-14 tracey 	error = got_commit_graph_iter_start(graph, id, repo, NULL, NULL);
 426 a596b957 2022-07-14 tracey 	if (error)
 427 a596b957 2022-07-14 tracey 		goto done;
 428 a596b957 2022-07-14 tracey 
 429 a596b957 2022-07-14 tracey 	for (;;) {
 430 d9787ed8 2022-09-10 op 		struct got_object_id next_id;
 431 6227cf0e 2022-09-05 op 
 432 6227cf0e 2022-09-05 op 		error = got_commit_graph_iter_next(&next_id, graph, repo, NULL,
 433 a596b957 2022-07-14 tracey 		    NULL);
 434 a596b957 2022-07-14 tracey 		if (error) {
 435 a596b957 2022-07-14 tracey 			if (error->code == GOT_ERR_ITER_COMPLETED)
 436 a596b957 2022-07-14 tracey 				error = NULL;
 437 a596b957 2022-07-14 tracey 			goto done;
 438 6227cf0e 2022-09-05 op 		}
 439 a596b957 2022-07-14 tracey 
 440 d9787ed8 2022-09-10 op 		error = got_object_open_as_commit(&commit, repo, &next_id);
 441 a596b957 2022-07-14 tracey 		if (error)
 442 a596b957 2022-07-14 tracey 			goto done;
 443 a596b957 2022-07-14 tracey 
 444 a596b957 2022-07-14 tracey 		error = got_ref_list(&refs, repo, NULL, got_ref_cmp_by_name,
 445 a596b957 2022-07-14 tracey 		    NULL);
 446 a596b957 2022-07-14 tracey 		if (error)
 447 a596b957 2022-07-14 tracey 			goto done;
 448 a596b957 2022-07-14 tracey 
 449 4a962942 2022-09-02 op 		error = got_init_repo_commit(&repo_commit);
 450 4a962942 2022-09-02 op 		if (error)
 451 4a962942 2022-09-02 op 			goto done;
 452 4a962942 2022-09-02 op 
 453 a596b957 2022-07-14 tracey 		error = got_get_repo_commit(c, repo_commit, commit,
 454 d9787ed8 2022-09-10 op 		    &refs, &next_id);
 455 4f0a80ed 2022-09-07 op 		if (error) {
 456 4f0a80ed 2022-09-07 op 			gotweb_free_repo_commit(repo_commit);
 457 a596b957 2022-07-14 tracey 			goto done;
 458 4f0a80ed 2022-09-07 op 		}
 459 4f0a80ed 2022-09-07 op 
 460 4f0a80ed 2022-09-07 op 		if (limit_chk == ((limit * qs->page) - limit) &&
 461 4f0a80ed 2022-09-07 op 		    commit_found == 0 && repo_commit->commit_id != NULL) {
 462 4f0a80ed 2022-09-07 op 			t->prev_id = strdup(repo_commit->commit_id);
 463 4f0a80ed 2022-09-07 op 			if (t->prev_id == NULL) {
 464 4f0a80ed 2022-09-07 op 				error = got_error_from_errno("strdup");
 465 4f0a80ed 2022-09-07 op 				gotweb_free_repo_commit(repo_commit);
 466 4f0a80ed 2022-09-07 op 				goto done;
 467 4f0a80ed 2022-09-07 op 			}
 468 4f0a80ed 2022-09-07 op 		}
 469 a596b957 2022-07-14 tracey 
 470 a596b957 2022-07-14 tracey 		if (qs->commit != NULL && commit_found == 0 && limit != 1) {
 471 a596b957 2022-07-14 tracey 			if (strcmp(qs->commit, repo_commit->commit_id) == 0)
 472 a596b957 2022-07-14 tracey 				commit_found = 1;
 473 a596b957 2022-07-14 tracey 			else if (qs->file != NULL && strlen(qs->file) > 0 &&
 474 a596b957 2022-07-14 tracey 			    qs->page == 0)
 475 a596b957 2022-07-14 tracey 				commit_found = 1;
 476 a596b957 2022-07-14 tracey 			else {
 477 4f0a80ed 2022-09-07 op 				gotweb_free_repo_commit(repo_commit);
 478 a596b957 2022-07-14 tracey 				limit_chk++;
 479 a596b957 2022-07-14 tracey 				continue;
 480 a596b957 2022-07-14 tracey 			}
 481 a596b957 2022-07-14 tracey 		}
 482 a596b957 2022-07-14 tracey 
 483 4f0a80ed 2022-09-07 op 		TAILQ_INSERT_TAIL(&t->repo_commits, repo_commit, entry);
 484 4f0a80ed 2022-09-07 op 
 485 a596b957 2022-07-14 tracey 		if (limit == 1 && chk_multi == 0 &&
 486 a596b957 2022-07-14 tracey 		    srv->max_commits_display != 1)
 487 a596b957 2022-07-14 tracey 			commit_found = 1;
 488 a596b957 2022-07-14 tracey 		else {
 489 a596b957 2022-07-14 tracey 			chk_multi = 1;
 490 a596b957 2022-07-14 tracey 
 491 a596b957 2022-07-14 tracey 			/*
 492 a596b957 2022-07-14 tracey 			 * check for one more commit before breaking,
 493 a596b957 2022-07-14 tracey 			 * so we know whether to navigate through briefs
 494 a596b957 2022-07-14 tracey 			 * commits and summary
 495 a596b957 2022-07-14 tracey 			 */
 496 a596b957 2022-07-14 tracey 			if (chk_next && (qs->action == BRIEFS ||
 497 a596b957 2022-07-14 tracey 			    qs->action == COMMITS || qs->action == SUMMARY)) {
 498 4a962942 2022-09-02 op 				t->next_id = strdup(repo_commit->commit_id);
 499 a596b957 2022-07-14 tracey 				if (t->next_id == NULL) {
 500 a596b957 2022-07-14 tracey 					error = got_error_from_errno("strdup");
 501 a596b957 2022-07-14 tracey 					goto done;
 502 a596b957 2022-07-14 tracey 				}
 503 a596b957 2022-07-14 tracey 				if (commit) {
 504 a596b957 2022-07-14 tracey 					got_object_commit_close(commit);
 505 a596b957 2022-07-14 tracey 					commit = NULL;
 506 a596b957 2022-07-14 tracey 				}
 507 4a962942 2022-09-02 op 				TAILQ_REMOVE(&t->repo_commits, repo_commit,
 508 a596b957 2022-07-14 tracey 				    entry);
 509 4a962942 2022-09-02 op 				gotweb_free_repo_commit(repo_commit);
 510 a596b957 2022-07-14 tracey 				goto done;
 511 a596b957 2022-07-14 tracey 			}
 512 a596b957 2022-07-14 tracey 		}
 513 a596b957 2022-07-14 tracey 		got_ref_list_free(&refs);
 514 a596b957 2022-07-14 tracey 		if (error || (limit && --limit == 0)) {
 515 a596b957 2022-07-14 tracey 			if (commit_found || (qs->file != NULL &&
 516 a596b957 2022-07-14 tracey 			    strlen(qs->file) > 0))
 517 a596b957 2022-07-14 tracey 				if (chk_multi == 0)
 518 a596b957 2022-07-14 tracey 					break;
 519 a596b957 2022-07-14 tracey 			chk_next = 1;
 520 a596b957 2022-07-14 tracey 		}
 521 a596b957 2022-07-14 tracey 		if (commit) {
 522 a596b957 2022-07-14 tracey 			got_object_commit_close(commit);
 523 a596b957 2022-07-14 tracey 			commit = NULL;
 524 a596b957 2022-07-14 tracey 		}
 525 a596b957 2022-07-14 tracey 	}
 526 a596b957 2022-07-14 tracey done:
 527 bce44e0b 2022-09-02 op 	if (ref)
 528 bce44e0b 2022-09-02 op 		got_ref_close(ref);
 529 a596b957 2022-07-14 tracey 	if (commit)
 530 a596b957 2022-07-14 tracey 		got_object_commit_close(commit);
 531 a596b957 2022-07-14 tracey 	if (graph)
 532 a596b957 2022-07-14 tracey 		got_commit_graph_close(graph);
 533 a596b957 2022-07-14 tracey 	got_ref_list_free(&refs);
 534 dfa5768d 2022-09-02 op 	free(in_repo_path);
 535 a596b957 2022-07-14 tracey 	free(file_path);
 536 a596b957 2022-07-14 tracey 	free(repo_path);
 537 a596b957 2022-07-14 tracey 	free(id);
 538 a596b957 2022-07-14 tracey 	return error;
 539 a596b957 2022-07-14 tracey }
 540 a596b957 2022-07-14 tracey 
 541 a596b957 2022-07-14 tracey const struct got_error *
 542 a596b957 2022-07-14 tracey got_get_repo_tags(struct request *c, int limit)
 543 a596b957 2022-07-14 tracey {
 544 a596b957 2022-07-14 tracey 	const struct got_error *error = NULL;
 545 a596b957 2022-07-14 tracey 	struct got_object_id *id = NULL;
 546 a596b957 2022-07-14 tracey 	struct got_commit_object *commit = NULL;
 547 a596b957 2022-07-14 tracey 	struct got_reflist_head refs;
 548 a596b957 2022-07-14 tracey 	struct got_reference *ref;
 549 a596b957 2022-07-14 tracey 	struct got_reflist_entry *re;
 550 a596b957 2022-07-14 tracey 	struct server *srv = c->srv;
 551 a596b957 2022-07-14 tracey 	struct transport *t = c->t;
 552 a596b957 2022-07-14 tracey 	struct got_repository *repo = t->repo;
 553 a596b957 2022-07-14 tracey 	struct querystring *qs = t->qs;
 554 a596b957 2022-07-14 tracey 	struct repo_dir *repo_dir = t->repo_dir;
 555 a596b957 2022-07-14 tracey 	struct got_tag_object *tag = NULL;
 556 a596b957 2022-07-14 tracey 	struct repo_tag *rt = NULL, *trt = NULL;
 557 a596b957 2022-07-14 tracey 	char *in_repo_path = NULL, *repo_path = NULL, *id_str = NULL;
 558 625e5896 2022-09-01 op 	char *tag_commit = NULL, *tag_commit0 = NULL;
 559 a596b957 2022-07-14 tracey 	char *commit_msg = NULL, *commit_msg0 = NULL;
 560 a596b957 2022-07-14 tracey 	int chk_next = 0, chk_multi = 1, commit_found = 0, c_cnt = 0;
 561 a596b957 2022-07-14 tracey 
 562 a596b957 2022-07-14 tracey 	TAILQ_INIT(&refs);
 563 a596b957 2022-07-14 tracey 
 564 a596b957 2022-07-14 tracey 	if (asprintf(&repo_path, "%s/%s", srv->repos_path,
 565 a596b957 2022-07-14 tracey 	    repo_dir->name) == -1)
 566 a596b957 2022-07-14 tracey 		return got_error_from_errno("asprintf");
 567 a596b957 2022-07-14 tracey 
 568 1abb18e1 2022-12-20 op 	if (qs->commit == NULL && (qs->action == TAGS || qs->action == RSS)) {
 569 a596b957 2022-07-14 tracey 		error = got_ref_open(&ref, repo, qs->headref, 0);
 570 a596b957 2022-07-14 tracey 		if (error)
 571 a596b957 2022-07-14 tracey 			goto err;
 572 a596b957 2022-07-14 tracey 		error = got_ref_resolve(&id, repo, ref);
 573 a596b957 2022-07-14 tracey 		got_ref_close(ref);
 574 a596b957 2022-07-14 tracey 		if (error)
 575 a596b957 2022-07-14 tracey 			goto err;
 576 a596b957 2022-07-14 tracey 	} else if (qs->commit == NULL && qs->action == TAG) {
 577 a596b957 2022-07-14 tracey 		error = got_error_msg(GOT_ERR_EOF, "commit id missing");
 578 a596b957 2022-07-14 tracey 		goto err;
 579 a596b957 2022-07-14 tracey 	} else {
 580 a596b957 2022-07-14 tracey 		error = got_repo_match_object_id_prefix(&id, qs->commit,
 581 a596b957 2022-07-14 tracey 		    GOT_OBJ_TYPE_COMMIT, repo);
 582 a596b957 2022-07-14 tracey 		if (error)
 583 a596b957 2022-07-14 tracey 			goto err;
 584 a596b957 2022-07-14 tracey 	}
 585 a596b957 2022-07-14 tracey 
 586 a596b957 2022-07-14 tracey 	if (qs->action != SUMMARY && qs->action != TAGS) {
 587 a596b957 2022-07-14 tracey 		error = got_object_open_as_commit(&commit, repo, id);
 588 a596b957 2022-07-14 tracey 		if (error)
 589 a596b957 2022-07-14 tracey 			goto err;
 590 a596b957 2022-07-14 tracey 		error = got_object_commit_get_logmsg(&commit_msg0, commit);
 591 a596b957 2022-07-14 tracey 		if (error)
 592 a596b957 2022-07-14 tracey 			goto err;
 593 a596b957 2022-07-14 tracey 		if (commit) {
 594 a596b957 2022-07-14 tracey 			got_object_commit_close(commit);
 595 a596b957 2022-07-14 tracey 			commit = NULL;
 596 a596b957 2022-07-14 tracey 		}
 597 a596b957 2022-07-14 tracey 	}
 598 a596b957 2022-07-14 tracey 
 599 a596b957 2022-07-14 tracey 	error = got_repo_map_path(&in_repo_path, repo, repo_path);
 600 a596b957 2022-07-14 tracey 	if (error)
 601 a596b957 2022-07-14 tracey 		goto err;
 602 a596b957 2022-07-14 tracey 
 603 a596b957 2022-07-14 tracey 	error = got_ref_list(&refs, repo, "refs/tags", got_ref_cmp_tags,
 604 a596b957 2022-07-14 tracey 	   repo);
 605 a596b957 2022-07-14 tracey 	if (error)
 606 a596b957 2022-07-14 tracey 		goto err;
 607 a596b957 2022-07-14 tracey 
 608 a596b957 2022-07-14 tracey 	if (limit == 1)
 609 a596b957 2022-07-14 tracey 		chk_multi = 0;
 610 a596b957 2022-07-14 tracey 
 611 a596b957 2022-07-14 tracey 	/*
 612 a596b957 2022-07-14 tracey 	 * XXX: again, see previous message about caching
 613 a596b957 2022-07-14 tracey 	 */
 614 a596b957 2022-07-14 tracey 
 615 a596b957 2022-07-14 tracey 	TAILQ_FOREACH(re, &refs, entry) {
 616 a596b957 2022-07-14 tracey 		struct repo_tag *new_repo_tag = NULL;
 617 a596b957 2022-07-14 tracey 		error = got_init_repo_tag(&new_repo_tag);
 618 a596b957 2022-07-14 tracey 		if (error)
 619 a596b957 2022-07-14 tracey 			goto err;
 620 a596b957 2022-07-14 tracey 
 621 a596b957 2022-07-14 tracey 		TAILQ_INSERT_TAIL(&t->repo_tags, new_repo_tag, entry);
 622 a596b957 2022-07-14 tracey 
 623 a596b957 2022-07-14 tracey 		new_repo_tag->tag_name = strdup(got_ref_get_name(re->ref));
 624 a596b957 2022-07-14 tracey 		if (new_repo_tag->tag_name == NULL) {
 625 a596b957 2022-07-14 tracey 			error = got_error_from_errno("strdup");
 626 a596b957 2022-07-14 tracey 			goto err;
 627 a596b957 2022-07-14 tracey 		}
 628 a596b957 2022-07-14 tracey 
 629 b163541d 2022-09-02 op 		free(id);
 630 b163541d 2022-09-02 op 		id = NULL;
 631 b163541d 2022-09-02 op 
 632 b163541d 2022-09-02 op 		free(id_str);
 633 b163541d 2022-09-02 op 		id_str = NULL;
 634 b163541d 2022-09-02 op 
 635 a596b957 2022-07-14 tracey 		error = got_ref_resolve(&id, repo, re->ref);
 636 a596b957 2022-07-14 tracey 		if (error)
 637 a596b957 2022-07-14 tracey 			goto done;
 638 a596b957 2022-07-14 tracey 
 639 bc95141c 2022-09-02 op 		if (tag)
 640 bc95141c 2022-09-02 op 			got_object_tag_close(tag);
 641 a596b957 2022-07-14 tracey 		error = got_object_open_as_tag(&tag, repo, id);
 642 a596b957 2022-07-14 tracey 		if (error) {
 643 b163541d 2022-09-02 op 			if (error->code != GOT_ERR_OBJ_TYPE)
 644 a596b957 2022-07-14 tracey 				goto done;
 645 a596b957 2022-07-14 tracey 			/* "lightweight" tag */
 646 a596b957 2022-07-14 tracey 			error = got_object_open_as_commit(&commit, repo, id);
 647 b163541d 2022-09-02 op 			if (error)
 648 a596b957 2022-07-14 tracey 				goto done;
 649 a596b957 2022-07-14 tracey 			new_repo_tag->tagger =
 650 a596b957 2022-07-14 tracey 			    strdup(got_object_commit_get_committer(commit));
 651 a596b957 2022-07-14 tracey 			if (new_repo_tag->tagger == NULL) {
 652 a596b957 2022-07-14 tracey 				error = got_error_from_errno("strdup");
 653 a596b957 2022-07-14 tracey 				goto err;
 654 a596b957 2022-07-14 tracey 			}
 655 a596b957 2022-07-14 tracey 			new_repo_tag->tagger_time =
 656 a596b957 2022-07-14 tracey 			    got_object_commit_get_committer_time(commit);
 657 a596b957 2022-07-14 tracey 			error = got_object_id_str(&id_str, id);
 658 a596b957 2022-07-14 tracey 			if (error)
 659 a596b957 2022-07-14 tracey 				goto err;
 660 a596b957 2022-07-14 tracey 		} else {
 661 a596b957 2022-07-14 tracey 			new_repo_tag->tagger =
 662 a596b957 2022-07-14 tracey 			    strdup(got_object_tag_get_tagger(tag));
 663 a596b957 2022-07-14 tracey 			if (new_repo_tag->tagger == NULL) {
 664 a596b957 2022-07-14 tracey 				error = got_error_from_errno("strdup");
 665 a596b957 2022-07-14 tracey 				goto err;
 666 a596b957 2022-07-14 tracey 			}
 667 a596b957 2022-07-14 tracey 			new_repo_tag->tagger_time =
 668 a596b957 2022-07-14 tracey 			    got_object_tag_get_tagger_time(tag);
 669 a596b957 2022-07-14 tracey 			error = got_object_id_str(&id_str,
 670 a596b957 2022-07-14 tracey 			    got_object_tag_get_object_id(tag));
 671 a596b957 2022-07-14 tracey 			if (error)
 672 a596b957 2022-07-14 tracey 				goto err;
 673 a596b957 2022-07-14 tracey 		}
 674 a596b957 2022-07-14 tracey 
 675 a596b957 2022-07-14 tracey 		new_repo_tag->commit_id = strdup(id_str);
 676 a596b957 2022-07-14 tracey 		if (new_repo_tag->commit_id == NULL)
 677 a596b957 2022-07-14 tracey 			goto err;
 678 a596b957 2022-07-14 tracey 
 679 a596b957 2022-07-14 tracey 		if (commit_found == 0 && qs->commit != NULL &&
 680 a596b957 2022-07-14 tracey 		    strncmp(id_str, qs->commit, strlen(id_str)) != 0)
 681 a596b957 2022-07-14 tracey 			continue;
 682 a596b957 2022-07-14 tracey 		else
 683 a596b957 2022-07-14 tracey 			commit_found = 1;
 684 a596b957 2022-07-14 tracey 
 685 a596b957 2022-07-14 tracey 		t->tag_count++;
 686 a596b957 2022-07-14 tracey 
 687 a596b957 2022-07-14 tracey 		/*
 688 a596b957 2022-07-14 tracey 		 * check for one more commit before breaking,
 689 a596b957 2022-07-14 tracey 		 * so we know whether to navigate through briefs
 690 a596b957 2022-07-14 tracey 		 * commits and summary
 691 a596b957 2022-07-14 tracey 		 */
 692 a596b957 2022-07-14 tracey 		if (chk_next) {
 693 a596b957 2022-07-14 tracey 			t->next_id = strdup(new_repo_tag->commit_id);
 694 a596b957 2022-07-14 tracey 			if (t->next_id == NULL) {
 695 a596b957 2022-07-14 tracey 				error = got_error_from_errno("strdup");
 696 a596b957 2022-07-14 tracey 				goto err;
 697 a596b957 2022-07-14 tracey 			}
 698 a596b957 2022-07-14 tracey 			if (commit) {
 699 a596b957 2022-07-14 tracey 				got_object_commit_close(commit);
 700 a596b957 2022-07-14 tracey 				commit = NULL;
 701 a596b957 2022-07-14 tracey 			}
 702 a596b957 2022-07-14 tracey 			TAILQ_REMOVE(&t->repo_tags, new_repo_tag, entry);
 703 a596b957 2022-07-14 tracey 			gotweb_free_repo_tag(new_repo_tag);
 704 a596b957 2022-07-14 tracey 			goto done;
 705 a596b957 2022-07-14 tracey 		}
 706 a596b957 2022-07-14 tracey 
 707 a596b957 2022-07-14 tracey 		if (commit) {
 708 625e5896 2022-09-01 op 			error = got_object_commit_get_logmsg(&tag_commit0,
 709 625e5896 2022-09-01 op 			    commit);
 710 a596b957 2022-07-14 tracey 			if (error)
 711 625e5896 2022-09-01 op 				goto err;
 712 a596b957 2022-07-14 tracey 			got_object_commit_close(commit);
 713 a596b957 2022-07-14 tracey 			commit = NULL;
 714 a596b957 2022-07-14 tracey 		} else {
 715 625e5896 2022-09-01 op 			tag_commit0 = strdup(got_object_tag_get_message(tag));
 716 625e5896 2022-09-01 op 			if (tag_commit0 == NULL) {
 717 a596b957 2022-07-14 tracey 				error = got_error_from_errno("strdup");
 718 625e5896 2022-09-01 op 				goto err;
 719 a596b957 2022-07-14 tracey 			}
 720 a596b957 2022-07-14 tracey 		}
 721 a596b957 2022-07-14 tracey 
 722 625e5896 2022-09-01 op 		tag_commit = tag_commit0;
 723 625e5896 2022-09-01 op 		while (*tag_commit == '\n')
 724 625e5896 2022-09-01 op 			tag_commit++;
 725 625e5896 2022-09-01 op 		new_repo_tag->tag_commit = strdup(tag_commit);
 726 625e5896 2022-09-01 op 		if (new_repo_tag->tag_commit == NULL) {
 727 625e5896 2022-09-01 op 			error = got_error_from_errno("strdup");
 728 625e5896 2022-09-01 op 			free(tag_commit0);
 729 625e5896 2022-09-01 op 			goto err;
 730 625e5896 2022-09-01 op 		}
 731 625e5896 2022-09-01 op 		free(tag_commit0);
 732 a596b957 2022-07-14 tracey 
 733 a596b957 2022-07-14 tracey 		if (qs->action != SUMMARY && qs->action != TAGS) {
 734 a596b957 2022-07-14 tracey 			commit_msg = commit_msg0;
 735 a596b957 2022-07-14 tracey 			while (*commit_msg == '\n')
 736 a596b957 2022-07-14 tracey 				commit_msg++;
 737 a596b957 2022-07-14 tracey 
 738 a596b957 2022-07-14 tracey 			new_repo_tag->commit_msg = strdup(commit_msg);
 739 a596b957 2022-07-14 tracey 			if (new_repo_tag->commit_msg == NULL) {
 740 a596b957 2022-07-14 tracey 				error = got_error_from_errno("strdup");
 741 a596b957 2022-07-14 tracey 				goto err;
 742 a596b957 2022-07-14 tracey 			}
 743 a596b957 2022-07-14 tracey 		}
 744 a596b957 2022-07-14 tracey 
 745 a596b957 2022-07-14 tracey 		if (limit && --limit == 0) {
 746 a596b957 2022-07-14 tracey 			if (chk_multi == 0)
 747 a596b957 2022-07-14 tracey 				break;
 748 a596b957 2022-07-14 tracey 			chk_next = 1;
 749 a596b957 2022-07-14 tracey 		}
 750 a596b957 2022-07-14 tracey 	}
 751 a596b957 2022-07-14 tracey 
 752 a596b957 2022-07-14 tracey done:
 753 a596b957 2022-07-14 tracey 	/*
 754 a596b957 2022-07-14 tracey 	 * we have tailq populated, so find previous commit id
 755 a596b957 2022-07-14 tracey 	 * for navigation through briefs and commits
 756 a596b957 2022-07-14 tracey 	 */
 757 a596b957 2022-07-14 tracey 	if (t->tag_count == 0) {
 758 a596b957 2022-07-14 tracey 		TAILQ_FOREACH_SAFE(rt, &t->repo_tags, entry, trt) {
 759 a596b957 2022-07-14 tracey 			TAILQ_REMOVE(&t->repo_tags, rt, entry);
 760 a596b957 2022-07-14 tracey 			gotweb_free_repo_tag(rt);
 761 a596b957 2022-07-14 tracey 		}
 762 a596b957 2022-07-14 tracey 	}
 763 a596b957 2022-07-14 tracey 	if (t->tag_count > 0 && t->prev_id == NULL && qs->commit != NULL) {
 764 a596b957 2022-07-14 tracey 		commit_found = 0;
 765 a596b957 2022-07-14 tracey 		TAILQ_FOREACH_REVERSE(rt, &t->repo_tags, repo_tags_head,
 766 a596b957 2022-07-14 tracey 		    entry) {
 767 a596b957 2022-07-14 tracey 			if (commit_found == 0 && rt->commit_id != NULL &&
 768 a596b957 2022-07-14 tracey 			    strcmp(qs->commit, rt->commit_id) != 0) {
 769 a596b957 2022-07-14 tracey 				continue;
 770 a596b957 2022-07-14 tracey 			} else
 771 a596b957 2022-07-14 tracey 				commit_found = 1;
 772 a596b957 2022-07-14 tracey 			if (c_cnt == srv->max_commits_display ||
 773 a596b957 2022-07-14 tracey 			    rt == TAILQ_FIRST(&t->repo_tags)) {
 774 a596b957 2022-07-14 tracey 				t->prev_id = strdup(rt->commit_id);
 775 a596b957 2022-07-14 tracey 				if (t->prev_id == NULL)
 776 a596b957 2022-07-14 tracey 					error = got_error_from_errno("strdup");
 777 a596b957 2022-07-14 tracey 				break;
 778 a596b957 2022-07-14 tracey 			}
 779 a596b957 2022-07-14 tracey 			c_cnt++;
 780 a596b957 2022-07-14 tracey 		}
 781 a596b957 2022-07-14 tracey 	}
 782 a596b957 2022-07-14 tracey err:
 783 a596b957 2022-07-14 tracey 	if (commit)
 784 a596b957 2022-07-14 tracey 		got_object_commit_close(commit);
 785 b163541d 2022-09-02 op 	if (tag)
 786 b163541d 2022-09-02 op 		got_object_tag_close(tag);
 787 a596b957 2022-07-14 tracey 	got_ref_list_free(&refs);
 788 5a57034b 2022-09-02 op 	free(commit_msg0);
 789 b163541d 2022-09-02 op 	free(in_repo_path);
 790 a596b957 2022-07-14 tracey 	free(repo_path);
 791 a596b957 2022-07-14 tracey 	free(id);
 792 b163541d 2022-09-02 op 	free(id_str);
 793 a596b957 2022-07-14 tracey 	return error;
 794 a596b957 2022-07-14 tracey }
 795 a596b957 2022-07-14 tracey 
 796 a596b957 2022-07-14 tracey const struct got_error *
 797 a596b957 2022-07-14 tracey got_output_repo_tree(struct request *c)
 798 a596b957 2022-07-14 tracey {
 799 a596b957 2022-07-14 tracey 	const struct got_error *error = NULL;
 800 a596b957 2022-07-14 tracey 	struct transport *t = c->t;
 801 a596b957 2022-07-14 tracey 	struct got_commit_object *commit = NULL;
 802 a596b957 2022-07-14 tracey 	struct got_repository *repo = t->repo;
 803 a596b957 2022-07-14 tracey 	struct querystring *qs = t->qs;
 804 a596b957 2022-07-14 tracey 	struct repo_commit *rc = NULL;
 805 a596b957 2022-07-14 tracey 	struct got_object_id *tree_id = NULL, *commit_id = NULL;
 806 a596b957 2022-07-14 tracey 	struct got_reflist_head refs;
 807 a596b957 2022-07-14 tracey 	struct got_tree_object *tree = NULL;
 808 a596b957 2022-07-14 tracey 	struct repo_dir *repo_dir = t->repo_dir;
 809 8d02314f 2022-09-07 op 	const char *name, *folder;
 810 e5e662e4 2022-09-02 op 	char *escaped_name = NULL, *path = NULL;
 811 01498c42 2022-08-19 op 	int nentries, i, r;
 812 a596b957 2022-07-14 tracey 
 813 a596b957 2022-07-14 tracey 	TAILQ_INIT(&refs);
 814 a596b957 2022-07-14 tracey 
 815 a596b957 2022-07-14 tracey 	rc = TAILQ_FIRST(&t->repo_commits);
 816 a596b957 2022-07-14 tracey 
 817 a596b957 2022-07-14 tracey 	if (qs->folder != NULL) {
 818 a596b957 2022-07-14 tracey 		path = strdup(qs->folder);
 819 a596b957 2022-07-14 tracey 		if (path == NULL) {
 820 a596b957 2022-07-14 tracey 			error = got_error_from_errno("strdup");
 821 a596b957 2022-07-14 tracey 			goto done;
 822 a596b957 2022-07-14 tracey 		}
 823 a596b957 2022-07-14 tracey 	} else {
 824 6977f45a 2022-09-02 op 		error = got_repo_map_path(&path, repo, repo_dir->path);
 825 a596b957 2022-07-14 tracey 		if (error)
 826 a596b957 2022-07-14 tracey 			goto done;
 827 a596b957 2022-07-14 tracey 	}
 828 a596b957 2022-07-14 tracey 
 829 a596b957 2022-07-14 tracey 	error = got_repo_match_object_id(&commit_id, NULL, rc->commit_id,
 830 a596b957 2022-07-14 tracey 	    GOT_OBJ_TYPE_COMMIT, &refs, repo);
 831 a596b957 2022-07-14 tracey 	if (error)
 832 a596b957 2022-07-14 tracey 		goto done;
 833 a596b957 2022-07-14 tracey 
 834 a596b957 2022-07-14 tracey 	error = got_object_open_as_commit(&commit, repo, commit_id);
 835 a596b957 2022-07-14 tracey 	if (error)
 836 a596b957 2022-07-14 tracey 		goto done;
 837 a596b957 2022-07-14 tracey 
 838 a596b957 2022-07-14 tracey 	error = got_object_id_by_path(&tree_id, repo, commit, path);
 839 a596b957 2022-07-14 tracey 	if (error)
 840 a596b957 2022-07-14 tracey 		goto done;
 841 a596b957 2022-07-14 tracey 
 842 a596b957 2022-07-14 tracey 	error = got_object_open_as_tree(&tree, repo, tree_id);
 843 a596b957 2022-07-14 tracey 	if (error)
 844 a596b957 2022-07-14 tracey 		goto done;
 845 a596b957 2022-07-14 tracey 
 846 a596b957 2022-07-14 tracey 	nentries = got_object_tree_get_nentries(tree);
 847 a596b957 2022-07-14 tracey 
 848 01498c42 2022-08-19 op 	folder = qs->folder ? qs->folder : "";
 849 01498c42 2022-08-19 op 
 850 a596b957 2022-07-14 tracey 	for (i = 0; i < nentries; i++) {
 851 2c6b5972 2022-09-02 op 		const char *modestr;
 852 a596b957 2022-07-14 tracey 		struct got_tree_entry *te;
 853 a596b957 2022-07-14 tracey 		mode_t mode;
 854 a596b957 2022-07-14 tracey 
 855 a596b957 2022-07-14 tracey 		te = got_object_tree_get_entry(tree, i);
 856 a596b957 2022-07-14 tracey 
 857 a596b957 2022-07-14 tracey 		mode = got_tree_entry_get_mode(te);
 858 2c6b5972 2022-09-02 op 		if (got_object_tree_entry_is_submodule(te))
 859 2c6b5972 2022-09-02 op 			modestr = "$";
 860 2c6b5972 2022-09-02 op 		else if (S_ISLNK(mode))
 861 2c6b5972 2022-09-02 op 			modestr = "@";
 862 2c6b5972 2022-09-02 op 		else if (S_ISDIR(mode))
 863 2c6b5972 2022-09-02 op 			modestr = "/";
 864 2c6b5972 2022-09-02 op 		else if (mode & S_IXUSR)
 865 2c6b5972 2022-09-02 op 			modestr = "*";
 866 2c6b5972 2022-09-02 op 		else
 867 2c6b5972 2022-09-02 op 			modestr = "";
 868 a596b957 2022-07-14 tracey 
 869 d927f8c8 2022-08-20 op 		name = got_tree_entry_get_name(te);
 870 d927f8c8 2022-08-20 op 		error = gotweb_escape_html(&escaped_name, name);
 871 d927f8c8 2022-08-20 op 		if (error)
 872 d927f8c8 2022-08-20 op 			goto done;
 873 d927f8c8 2022-08-20 op 
 874 a596b957 2022-07-14 tracey 		if (S_ISDIR(mode)) {
 875 8d02314f 2022-09-07 op 			struct gotweb_url url = {
 876 8d02314f 2022-09-07 op 				.index_page = -1,
 877 8d02314f 2022-09-07 op 				.page = -1,
 878 8d02314f 2022-09-07 op 				.action = TREE,
 879 8d02314f 2022-09-07 op 				.commit = rc->commit_id,
 880 8d02314f 2022-09-07 op 				.path = qs->path,
 881 8d02314f 2022-09-07 op 				/* `folder' is filled later */
 882 8d02314f 2022-09-07 op 			};
 883 8d02314f 2022-09-07 op 			char *path = NULL;
 884 8d02314f 2022-09-07 op 
 885 8d02314f 2022-09-07 op 			if (fcgi_printf(c,"<div class='tree_wrapper'>\n"
 886 8d02314f 2022-09-07 op 			    "<div class='tree_line'>") == -1)
 887 8d02314f 2022-09-07 op 				goto done;
 888 8d02314f 2022-09-07 op 
 889 8d02314f 2022-09-07 op 			if (asprintf(&path, "%s/%s", folder, name) == -1) {
 890 8d02314f 2022-09-07 op 				error = got_error_from_errno("asprintf");
 891 8d02314f 2022-09-07 op 				goto done;
 892 8d02314f 2022-09-07 op 			}
 893 8d02314f 2022-09-07 op 			url.folder = path;
 894 8d02314f 2022-09-07 op 			r = gotweb_link(c, &url, "%s%s", escaped_name,
 895 8d02314f 2022-09-07 op 			    modestr);
 896 8d02314f 2022-09-07 op 			free(path);
 897 01498c42 2022-08-19 op 			if (r == -1)
 898 a596b957 2022-07-14 tracey 				goto done;
 899 8d02314f 2022-09-07 op 
 900 8d02314f 2022-09-07 op 			if (fcgi_printf(c, "</div>\n" /* .tree_line */
 901 8d02314f 2022-09-07 op 			    "<div class='tree_line_blank'>&nbsp;</div>\n"
 902 8d02314f 2022-09-07 op 			    "</div>\n") == -1)
 903 8d02314f 2022-09-07 op 				goto done;
 904 a596b957 2022-07-14 tracey 		} else {
 905 8d02314f 2022-09-07 op 			struct gotweb_url url = {
 906 8d02314f 2022-09-07 op 				.index_page = -1,
 907 8d02314f 2022-09-07 op 				.page = -1,
 908 8d02314f 2022-09-07 op 				.path = qs->path,
 909 8d02314f 2022-09-07 op 				.commit = rc->commit_id,
 910 8d02314f 2022-09-07 op 				.folder = folder,
 911 8d02314f 2022-09-07 op 				.file = name,
 912 8d02314f 2022-09-07 op 			};
 913 8d02314f 2022-09-07 op 
 914 8d02314f 2022-09-07 op 			if (fcgi_printf(c, "<div class='tree_wrapper'>\n"
 915 8d02314f 2022-09-07 op 			    "<div class='tree_line'>") == -1)
 916 8d02314f 2022-09-07 op 				goto done;
 917 8d02314f 2022-09-07 op 
 918 8d02314f 2022-09-07 op 			url.action = BLOB;
 919 8d02314f 2022-09-07 op 			r = gotweb_link(c, &url, "%s%s", escaped_name,
 920 8d02314f 2022-09-07 op 			    modestr);
 921 01498c42 2022-08-19 op 			if (r == -1)
 922 a596b957 2022-07-14 tracey 				goto done;
 923 8d02314f 2022-09-07 op 
 924 8d02314f 2022-09-07 op 			if (fcgi_printf(c, "</div>\n" /* .tree_line */
 925 8d02314f 2022-09-07 op 			    "<div class='tree_line_blank'>") == -1)
 926 8d02314f 2022-09-07 op 				goto done;
 927 8d02314f 2022-09-07 op 
 928 8d02314f 2022-09-07 op 			url.action = COMMITS;
 929 8d02314f 2022-09-07 op 			r = gotweb_link(c, &url, "commits");
 930 8d02314f 2022-09-07 op 			if (r == -1)
 931 8d02314f 2022-09-07 op 				goto done;
 932 8d02314f 2022-09-07 op 
 933 8d02314f 2022-09-07 op 			if (fcgi_printf(c, " | ") == -1)
 934 8d02314f 2022-09-07 op 				goto done;
 935 8d02314f 2022-09-07 op 
 936 8d02314f 2022-09-07 op 			url.action = BLAME;
 937 8d02314f 2022-09-07 op 			r = gotweb_link(c, &url, "blame");
 938 8d02314f 2022-09-07 op 			if (r == -1)
 939 8d02314f 2022-09-07 op 				goto done;
 940 8d02314f 2022-09-07 op 
 941 8d02314f 2022-09-07 op 			if (fcgi_printf(c,
 942 8d02314f 2022-09-07 op 			    "</div>\n"		/* .tree_line_blank */
 943 8d02314f 2022-09-07 op 			    "</div>\n") == -1)	/* .tree_wrapper */
 944 8d02314f 2022-09-07 op 				goto done;
 945 a596b957 2022-07-14 tracey 		}
 946 b7efc9b3 2022-08-25 op 		free(escaped_name);
 947 b7efc9b3 2022-08-25 op 		escaped_name = NULL;
 948 a596b957 2022-07-14 tracey 	}
 949 a596b957 2022-07-14 tracey done:
 950 b7efc9b3 2022-08-25 op 	free(escaped_name);
 951 a596b957 2022-07-14 tracey 	free(path);
 952 a596b957 2022-07-14 tracey 	got_ref_list_free(&refs);
 953 a596b957 2022-07-14 tracey 	if (commit)
 954 a596b957 2022-07-14 tracey 		got_object_commit_close(commit);
 955 58354f54 2022-09-06 op 	if (tree)
 956 58354f54 2022-09-06 op 		got_object_tree_close(tree);
 957 a596b957 2022-07-14 tracey 	free(commit_id);
 958 a596b957 2022-07-14 tracey 	free(tree_id);
 959 a596b957 2022-07-14 tracey 	return error;
 960 a596b957 2022-07-14 tracey }
 961 a596b957 2022-07-14 tracey 
 962 a596b957 2022-07-14 tracey const struct got_error *
 963 a596b957 2022-07-14 tracey got_output_file_blob(struct request *c)
 964 a596b957 2022-07-14 tracey {
 965 a596b957 2022-07-14 tracey 	const struct got_error *error = NULL;
 966 a596b957 2022-07-14 tracey 	struct transport *t = c->t;
 967 a596b957 2022-07-14 tracey 	struct got_repository *repo = t->repo;
 968 a596b957 2022-07-14 tracey 	struct querystring *qs = c->t->qs;
 969 a596b957 2022-07-14 tracey 	struct got_commit_object *commit = NULL;
 970 a596b957 2022-07-14 tracey 	struct got_object_id *commit_id = NULL;
 971 a596b957 2022-07-14 tracey 	struct got_reflist_head refs;
 972 a596b957 2022-07-14 tracey 	struct got_blob_object *blob = NULL;
 973 a596b957 2022-07-14 tracey 	char *path = NULL, *in_repo_path = NULL;
 974 0b287d3f 2023-01-04 op 	int bin, obj_type, fd = -1;
 975 0b287d3f 2023-01-04 op 	size_t len;
 976 a596b957 2022-07-14 tracey 	const uint8_t *buf;
 977 a596b957 2022-07-14 tracey 
 978 a596b957 2022-07-14 tracey 	TAILQ_INIT(&refs);
 979 a596b957 2022-07-14 tracey 
 980 a596b957 2022-07-14 tracey 	if (asprintf(&path, "%s%s%s", qs->folder ? qs->folder : "",
 981 a596b957 2022-07-14 tracey 	    qs->folder ? "/" : "", qs->file) == -1) {
 982 a596b957 2022-07-14 tracey 		error = got_error_from_errno("asprintf");
 983 a596b957 2022-07-14 tracey 		goto done;
 984 a596b957 2022-07-14 tracey 	}
 985 a596b957 2022-07-14 tracey 
 986 a596b957 2022-07-14 tracey 	error = got_repo_map_path(&in_repo_path, repo, path);
 987 a596b957 2022-07-14 tracey 	if (error)
 988 a596b957 2022-07-14 tracey 		goto done;
 989 a596b957 2022-07-14 tracey 
 990 a596b957 2022-07-14 tracey 	error = got_repo_match_object_id(&commit_id, NULL, qs->commit,
 991 a596b957 2022-07-14 tracey 	    GOT_OBJ_TYPE_COMMIT, &refs, repo);
 992 a596b957 2022-07-14 tracey 	if (error)
 993 a596b957 2022-07-14 tracey 		goto done;
 994 a596b957 2022-07-14 tracey 
 995 a596b957 2022-07-14 tracey 	error = got_object_open_as_commit(&commit, repo, commit_id);
 996 a596b957 2022-07-14 tracey 	if (error)
 997 a596b957 2022-07-14 tracey 		goto done;
 998 a596b957 2022-07-14 tracey 
 999 a596b957 2022-07-14 tracey 	error = got_object_id_by_path(&commit_id, repo, commit, in_repo_path);
1000 a596b957 2022-07-14 tracey 	if (error)
1001 a596b957 2022-07-14 tracey 		goto done;
1002 a596b957 2022-07-14 tracey 
1003 a596b957 2022-07-14 tracey 	if (commit_id == NULL) {
1004 a596b957 2022-07-14 tracey 		error = got_error(GOT_ERR_NO_OBJ);
1005 a596b957 2022-07-14 tracey 		goto done;
1006 a596b957 2022-07-14 tracey 	}
1007 a596b957 2022-07-14 tracey 
1008 a596b957 2022-07-14 tracey 	error = got_object_get_type(&obj_type, repo, commit_id);
1009 a596b957 2022-07-14 tracey 	if (error)
1010 a596b957 2022-07-14 tracey 		goto done;
1011 a596b957 2022-07-14 tracey 
1012 a596b957 2022-07-14 tracey 	if (obj_type != GOT_OBJ_TYPE_BLOB) {
1013 a596b957 2022-07-14 tracey 		error = got_error(GOT_ERR_OBJ_TYPE);
1014 a596b957 2022-07-14 tracey 		goto done;
1015 a596b957 2022-07-14 tracey 	}
1016 a596b957 2022-07-14 tracey 
1017 a596b957 2022-07-14 tracey 	error = got_gotweb_dupfd(&c->priv_fd[BLOB_FD_1], &fd);
1018 a596b957 2022-07-14 tracey 	if (error)
1019 a596b957 2022-07-14 tracey 		goto done;
1020 a596b957 2022-07-14 tracey 
1021 a596b957 2022-07-14 tracey 	error = got_object_open_as_blob(&blob, repo, commit_id, BUF, fd);
1022 a596b957 2022-07-14 tracey 	if (error)
1023 a596b957 2022-07-14 tracey 		goto done;
1024 0b287d3f 2023-01-04 op 
1025 0b287d3f 2023-01-04 op 	error = got_object_blob_is_binary(&bin, blob);
1026 0b287d3f 2023-01-04 op 	if (error)
1027 0b287d3f 2023-01-04 op 		goto done;
1028 0b287d3f 2023-01-04 op 
1029 0b287d3f 2023-01-04 op 	if (bin)
1030 0b287d3f 2023-01-04 op 		error = gotweb_render_content_type_file(c,
1031 0b287d3f 2023-01-04 op 		    "application/octet-stream", qs->file, NULL);
1032 0b287d3f 2023-01-04 op 	else
1033 0b287d3f 2023-01-04 op 		error = gotweb_render_content_type(c, "text/plain");
1034 0b287d3f 2023-01-04 op 
1035 0b287d3f 2023-01-04 op 	if (error) {
1036 0b287d3f 2023-01-04 op 		log_warnx("%s: %s", __func__, error->msg);
1037 0b287d3f 2023-01-04 op 		goto done;
1038 0b287d3f 2023-01-04 op 	}
1039 0b287d3f 2023-01-04 op 
1040 0b287d3f 2023-01-04 op 	for (;;) {
1041 a596b957 2022-07-14 tracey 		error = got_object_blob_read_block(&len, blob);
1042 a596b957 2022-07-14 tracey 		if (error)
1043 a596b957 2022-07-14 tracey 			goto done;
1044 0b287d3f 2023-01-04 op 		if (len == 0)
1045 0b287d3f 2023-01-04 op 			break;
1046 a596b957 2022-07-14 tracey 		buf = got_object_blob_get_read_buf(blob);
1047 0b287d3f 2023-01-04 op 		fcgi_gen_binary_response(c, buf, len);
1048 0b287d3f 2023-01-04 op 	}
1049 a596b957 2022-07-14 tracey done:
1050 a596b957 2022-07-14 tracey 	if (commit)
1051 a596b957 2022-07-14 tracey 		got_object_commit_close(commit);
1052 a596b957 2022-07-14 tracey 	if (fd != -1 && close(fd) == -1 && error == NULL)
1053 a596b957 2022-07-14 tracey 		error = got_error_from_errno("close");
1054 a596b957 2022-07-14 tracey 	if (blob)
1055 a596b957 2022-07-14 tracey 		got_object_blob_close(blob);
1056 a596b957 2022-07-14 tracey 	free(in_repo_path);
1057 a596b957 2022-07-14 tracey 	free(commit_id);
1058 a596b957 2022-07-14 tracey 	free(path);
1059 a596b957 2022-07-14 tracey 	return error;
1060 a596b957 2022-07-14 tracey }
1061 a596b957 2022-07-14 tracey 
1062 a596b957 2022-07-14 tracey struct blame_line {
1063 a596b957 2022-07-14 tracey 	int annotated;
1064 a596b957 2022-07-14 tracey 	char *id_str;
1065 a596b957 2022-07-14 tracey 	char *committer;
1066 a596b957 2022-07-14 tracey 	char datebuf[11]; /* YYYY-MM-DD + NUL */
1067 a596b957 2022-07-14 tracey };
1068 a596b957 2022-07-14 tracey 
1069 a596b957 2022-07-14 tracey struct blame_cb_args {
1070 a596b957 2022-07-14 tracey 	struct blame_line *lines;
1071 a596b957 2022-07-14 tracey 	int nlines;
1072 a596b957 2022-07-14 tracey 	int nlines_prec;
1073 a596b957 2022-07-14 tracey 	int lineno_cur;
1074 a596b957 2022-07-14 tracey 	off_t *line_offsets;
1075 a596b957 2022-07-14 tracey 	FILE *f;
1076 a596b957 2022-07-14 tracey 	struct got_repository *repo;
1077 a596b957 2022-07-14 tracey 	struct request *c;
1078 a596b957 2022-07-14 tracey };
1079 a596b957 2022-07-14 tracey 
1080 a596b957 2022-07-14 tracey static const struct got_error *
1081 a596b957 2022-07-14 tracey got_gotweb_blame_cb(void *arg, int nlines, int lineno,
1082 a596b957 2022-07-14 tracey     struct got_commit_object *commit, struct got_object_id *id)
1083 a596b957 2022-07-14 tracey {
1084 a596b957 2022-07-14 tracey 	const struct got_error *err = NULL;
1085 a596b957 2022-07-14 tracey 	struct blame_cb_args *a = arg;
1086 a596b957 2022-07-14 tracey 	struct blame_line *bline;
1087 a596b957 2022-07-14 tracey 	struct request *c = a->c;
1088 a596b957 2022-07-14 tracey 	struct transport *t = c->t;
1089 a596b957 2022-07-14 tracey 	struct repo_dir *repo_dir = t->repo_dir;
1090 a596b957 2022-07-14 tracey 	char *line = NULL, *eline = NULL;
1091 a596b957 2022-07-14 tracey 	size_t linesize = 0;
1092 a596b957 2022-07-14 tracey 	off_t offset;
1093 a596b957 2022-07-14 tracey 	struct tm tm;
1094 a596b957 2022-07-14 tracey 	time_t committer_time;
1095 01498c42 2022-08-19 op 	int r;
1096 a596b957 2022-07-14 tracey 
1097 a596b957 2022-07-14 tracey 	if (nlines != a->nlines ||
1098 a596b957 2022-07-14 tracey 	    (lineno != -1 && lineno < 1) || lineno > a->nlines)
1099 a596b957 2022-07-14 tracey 		return got_error(GOT_ERR_RANGE);
1100 a596b957 2022-07-14 tracey 
1101 a596b957 2022-07-14 tracey 	if (lineno == -1)
1102 a596b957 2022-07-14 tracey 		return NULL; /* no change in this commit */
1103 a596b957 2022-07-14 tracey 
1104 a596b957 2022-07-14 tracey 	/* Annotate this line. */
1105 a596b957 2022-07-14 tracey 	bline = &a->lines[lineno - 1];
1106 a596b957 2022-07-14 tracey 	if (bline->annotated)
1107 a596b957 2022-07-14 tracey 		return NULL;
1108 a596b957 2022-07-14 tracey 	err = got_object_id_str(&bline->id_str, id);
1109 a596b957 2022-07-14 tracey 	if (err)
1110 a596b957 2022-07-14 tracey 		return err;
1111 a596b957 2022-07-14 tracey 
1112 a596b957 2022-07-14 tracey 	bline->committer = strdup(got_object_commit_get_committer(commit));
1113 a596b957 2022-07-14 tracey 	if (bline->committer == NULL) {
1114 a596b957 2022-07-14 tracey 		err = got_error_from_errno("strdup");
1115 a596b957 2022-07-14 tracey 		goto done;
1116 a596b957 2022-07-14 tracey 	}
1117 a596b957 2022-07-14 tracey 
1118 a596b957 2022-07-14 tracey 	committer_time = got_object_commit_get_committer_time(commit);
1119 a596b957 2022-07-14 tracey 	if (gmtime_r(&committer_time, &tm) == NULL)
1120 a596b957 2022-07-14 tracey 		return got_error_from_errno("gmtime_r");
1121 a596b957 2022-07-14 tracey 	if (strftime(bline->datebuf, sizeof(bline->datebuf), "%G-%m-%d",
1122 a596b957 2022-07-14 tracey 	    &tm) == 0) {
1123 a596b957 2022-07-14 tracey 		err = got_error(GOT_ERR_NO_SPACE);
1124 a596b957 2022-07-14 tracey 		goto done;
1125 a596b957 2022-07-14 tracey 	}
1126 a596b957 2022-07-14 tracey 	bline->annotated = 1;
1127 a596b957 2022-07-14 tracey 
1128 a596b957 2022-07-14 tracey 	/* Print lines annotated so far. */
1129 a596b957 2022-07-14 tracey 	bline = &a->lines[a->lineno_cur - 1];
1130 a596b957 2022-07-14 tracey 	if (!bline->annotated)
1131 a596b957 2022-07-14 tracey 		goto done;
1132 a596b957 2022-07-14 tracey 
1133 a596b957 2022-07-14 tracey 	offset = a->line_offsets[a->lineno_cur - 1];
1134 a596b957 2022-07-14 tracey 	if (fseeko(a->f, offset, SEEK_SET) == -1) {
1135 a596b957 2022-07-14 tracey 		err = got_error_from_errno("fseeko");
1136 a596b957 2022-07-14 tracey 		goto done;
1137 a596b957 2022-07-14 tracey 	}
1138 a596b957 2022-07-14 tracey 
1139 85f2c2e0 2022-08-18 op 	while (a->lineno_cur <= a->nlines && bline->annotated) {
1140 a596b957 2022-07-14 tracey 		char *smallerthan, *at, *nl, *committer;
1141 a596b957 2022-07-14 tracey 		size_t len;
1142 a596b957 2022-07-14 tracey 
1143 a596b957 2022-07-14 tracey 		if (getline(&line, &linesize, a->f) == -1) {
1144 a596b957 2022-07-14 tracey 			if (ferror(a->f))
1145 a596b957 2022-07-14 tracey 				err = got_error_from_errno("getline");
1146 a596b957 2022-07-14 tracey 			break;
1147 a596b957 2022-07-14 tracey 		}
1148 a596b957 2022-07-14 tracey 
1149 a596b957 2022-07-14 tracey 		committer = bline->committer;
1150 a596b957 2022-07-14 tracey 		smallerthan = strchr(committer, '<');
1151 a596b957 2022-07-14 tracey 		if (smallerthan && smallerthan[1] != '\0')
1152 a596b957 2022-07-14 tracey 			committer = smallerthan + 1;
1153 a596b957 2022-07-14 tracey 		at = strchr(committer, '@');
1154 a596b957 2022-07-14 tracey 		if (at)
1155 a596b957 2022-07-14 tracey 			*at = '\0';
1156 a596b957 2022-07-14 tracey 		len = strlen(committer);
1157 a596b957 2022-07-14 tracey 		if (len >= 9)
1158 a596b957 2022-07-14 tracey 			committer[8] = '\0';
1159 a596b957 2022-07-14 tracey 
1160 a596b957 2022-07-14 tracey 		nl = strchr(line, '\n');
1161 a596b957 2022-07-14 tracey 		if (nl)
1162 a596b957 2022-07-14 tracey 			*nl = '\0';
1163 a596b957 2022-07-14 tracey 
1164 a596b957 2022-07-14 tracey 		err = gotweb_escape_html(&eline, line);
1165 a596b957 2022-07-14 tracey 		if (err)
1166 a596b957 2022-07-14 tracey 			goto done;
1167 a596b957 2022-07-14 tracey 
1168 8d02314f 2022-09-07 op 		if (fcgi_printf(c, "<div class='blame_wrapper'>"
1169 01498c42 2022-08-19 op 		    "<div class='blame_number'>%.*d</div>"
1170 8d02314f 2022-09-07 op 		    "<div class='blame_hash'>",
1171 8d02314f 2022-09-07 op 		    a->nlines_prec, a->lineno_cur) == -1)
1172 8d02314f 2022-09-07 op 			goto done;
1173 8d02314f 2022-09-07 op 
1174 8d02314f 2022-09-07 op 		r = gotweb_link(c, &(struct gotweb_url){
1175 8d02314f 2022-09-07 op 			.action = DIFF,
1176 8d02314f 2022-09-07 op 			.index_page = -1,
1177 8d02314f 2022-09-07 op 			.page = -1,
1178 8d02314f 2022-09-07 op 			.path = repo_dir->name,
1179 8d02314f 2022-09-07 op 			.commit = bline->id_str,
1180 8d02314f 2022-09-07 op 		    }, "%.8s", bline->id_str);
1181 8d02314f 2022-09-07 op 		if (r == -1)
1182 8d02314f 2022-09-07 op 			goto done;
1183 8d02314f 2022-09-07 op 
1184 8d02314f 2022-09-07 op 		r = fcgi_printf(c,
1185 01498c42 2022-08-19 op 		    "</div>"
1186 01498c42 2022-08-19 op 		    "<div class='blame_date'>%s</div>"
1187 01498c42 2022-08-19 op 		    "<div class='blame_author'>%s</div>"
1188 01498c42 2022-08-19 op 		    "<div class='blame_code'>%s</div>"
1189 01498c42 2022-08-19 op 		    "</div>",	/* .blame_wrapper */
1190 01498c42 2022-08-19 op 		    bline->datebuf,
1191 01498c42 2022-08-19 op 		    committer,
1192 01498c42 2022-08-19 op 		    eline);
1193 01498c42 2022-08-19 op 		if (r == -1)
1194 a596b957 2022-07-14 tracey 			goto done;
1195 01498c42 2022-08-19 op 
1196 a596b957 2022-07-14 tracey 		a->lineno_cur++;
1197 a596b957 2022-07-14 tracey 		bline = &a->lines[a->lineno_cur - 1];
1198 8a4f92ca 2022-09-03 op 
1199 8a4f92ca 2022-09-03 op 		free(eline);
1200 8a4f92ca 2022-09-03 op 		eline = NULL;
1201 a596b957 2022-07-14 tracey 	}
1202 a596b957 2022-07-14 tracey done:
1203 a596b957 2022-07-14 tracey 	free(line);
1204 a596b957 2022-07-14 tracey 	free(eline);
1205 a596b957 2022-07-14 tracey 	return err;
1206 a596b957 2022-07-14 tracey }
1207 a596b957 2022-07-14 tracey 
1208 a596b957 2022-07-14 tracey const struct got_error *
1209 a596b957 2022-07-14 tracey got_output_file_blame(struct request *c)
1210 a596b957 2022-07-14 tracey {
1211 a596b957 2022-07-14 tracey 	const struct got_error *error = NULL;
1212 a596b957 2022-07-14 tracey 	struct transport *t = c->t;
1213 a596b957 2022-07-14 tracey 	struct got_repository *repo = t->repo;
1214 a596b957 2022-07-14 tracey 	struct querystring *qs = c->t->qs;
1215 a596b957 2022-07-14 tracey 	struct got_object_id *obj_id = NULL, *commit_id = NULL;
1216 a596b957 2022-07-14 tracey 	struct got_commit_object *commit = NULL;
1217 a596b957 2022-07-14 tracey 	struct got_reflist_head refs;
1218 a596b957 2022-07-14 tracey 	struct got_blob_object *blob = NULL;
1219 a596b957 2022-07-14 tracey 	char *path = NULL, *in_repo_path = NULL;
1220 a596b957 2022-07-14 tracey 	struct blame_cb_args bca;
1221 a596b957 2022-07-14 tracey 	int i, obj_type, fd1 = -1, fd2 = -1, fd3 = -1, fd4 = -1, fd5 = -1;
1222 a596b957 2022-07-14 tracey 	int fd6 = -1;
1223 a596b957 2022-07-14 tracey 	off_t filesize;
1224 a596b957 2022-07-14 tracey 	FILE *f1 = NULL, *f2 = NULL;
1225 a596b957 2022-07-14 tracey 
1226 a596b957 2022-07-14 tracey 	TAILQ_INIT(&refs);
1227 a596b957 2022-07-14 tracey 	bca.f = NULL;
1228 a596b957 2022-07-14 tracey 	bca.lines = NULL;
1229 a596b957 2022-07-14 tracey 
1230 a596b957 2022-07-14 tracey 	if (asprintf(&path, "%s%s%s", qs->folder ? qs->folder : "",
1231 a596b957 2022-07-14 tracey 	    qs->folder ? "/" : "", qs->file) == -1) {
1232 a596b957 2022-07-14 tracey 		error = got_error_from_errno("asprintf");
1233 a596b957 2022-07-14 tracey 		goto done;
1234 a596b957 2022-07-14 tracey 	}
1235 a596b957 2022-07-14 tracey 
1236 a596b957 2022-07-14 tracey 	error = got_repo_map_path(&in_repo_path, repo, path);
1237 a596b957 2022-07-14 tracey 	if (error)
1238 a596b957 2022-07-14 tracey 		goto done;
1239 a596b957 2022-07-14 tracey 
1240 a596b957 2022-07-14 tracey 	error = got_repo_match_object_id(&commit_id, NULL, qs->commit,
1241 a596b957 2022-07-14 tracey 	    GOT_OBJ_TYPE_COMMIT, &refs, repo);
1242 a596b957 2022-07-14 tracey 	if (error)
1243 a596b957 2022-07-14 tracey 		goto done;
1244 a596b957 2022-07-14 tracey 
1245 a596b957 2022-07-14 tracey 	error = got_object_open_as_commit(&commit, repo, commit_id);
1246 a596b957 2022-07-14 tracey 	if (error)
1247 a596b957 2022-07-14 tracey 		goto done;
1248 a596b957 2022-07-14 tracey 
1249 a596b957 2022-07-14 tracey 	error = got_object_id_by_path(&obj_id, repo, commit, in_repo_path);
1250 a596b957 2022-07-14 tracey 	if (error)
1251 a596b957 2022-07-14 tracey 		goto done;
1252 a596b957 2022-07-14 tracey 
1253 a596b957 2022-07-14 tracey 	error = got_object_get_type(&obj_type, repo, obj_id);
1254 a596b957 2022-07-14 tracey 	if (error)
1255 a596b957 2022-07-14 tracey 		goto done;
1256 a596b957 2022-07-14 tracey 
1257 a596b957 2022-07-14 tracey 	if (obj_type != GOT_OBJ_TYPE_BLOB) {
1258 a596b957 2022-07-14 tracey 		error = got_error(GOT_ERR_OBJ_TYPE);
1259 a596b957 2022-07-14 tracey 		goto done;
1260 a596b957 2022-07-14 tracey 	}
1261 a596b957 2022-07-14 tracey 
1262 a596b957 2022-07-14 tracey 	error = got_gotweb_openfile(&bca.f, &c->priv_fd[BLAME_FD_1], &fd1);
1263 a596b957 2022-07-14 tracey 	if (error)
1264 a596b957 2022-07-14 tracey 		goto done;
1265 a596b957 2022-07-14 tracey 
1266 a596b957 2022-07-14 tracey 	error = got_gotweb_dupfd(&c->priv_fd[BLAME_FD_2], &fd2);
1267 a596b957 2022-07-14 tracey 	if (error)
1268 a596b957 2022-07-14 tracey 		goto done;
1269 a596b957 2022-07-14 tracey 
1270 a596b957 2022-07-14 tracey 	error = got_object_open_as_blob(&blob, repo, obj_id, BUF, fd2);
1271 a596b957 2022-07-14 tracey 	if (error)
1272 a596b957 2022-07-14 tracey 		goto done;
1273 a596b957 2022-07-14 tracey 
1274 a596b957 2022-07-14 tracey 	error = got_object_blob_dump_to_file(&filesize, &bca.nlines,
1275 a596b957 2022-07-14 tracey 	    &bca.line_offsets, bca.f, blob);
1276 a596b957 2022-07-14 tracey 	if (error || bca.nlines == 0)
1277 a596b957 2022-07-14 tracey 		goto done;
1278 a596b957 2022-07-14 tracey 
1279 a596b957 2022-07-14 tracey 	/* Don't include \n at EOF in the blame line count. */
1280 a596b957 2022-07-14 tracey 	if (bca.line_offsets[bca.nlines - 1] == filesize)
1281 a596b957 2022-07-14 tracey 		bca.nlines--;
1282 a596b957 2022-07-14 tracey 
1283 a596b957 2022-07-14 tracey 	bca.lines = calloc(bca.nlines, sizeof(*bca.lines));
1284 a596b957 2022-07-14 tracey 	if (bca.lines == NULL) {
1285 a596b957 2022-07-14 tracey 		error = got_error_from_errno("calloc");
1286 a596b957 2022-07-14 tracey 		goto done;
1287 a596b957 2022-07-14 tracey 	}
1288 a596b957 2022-07-14 tracey 	bca.lineno_cur = 1;
1289 a596b957 2022-07-14 tracey 	bca.nlines_prec = 0;
1290 a596b957 2022-07-14 tracey 	i = bca.nlines;
1291 a596b957 2022-07-14 tracey 	while (i > 0) {
1292 a596b957 2022-07-14 tracey 		i /= 10;
1293 a596b957 2022-07-14 tracey 		bca.nlines_prec++;
1294 a596b957 2022-07-14 tracey 	}
1295 a596b957 2022-07-14 tracey 	bca.repo = repo;
1296 a596b957 2022-07-14 tracey 	bca.c = c;
1297 a596b957 2022-07-14 tracey 
1298 a596b957 2022-07-14 tracey 	error = got_gotweb_dupfd(&c->priv_fd[BLAME_FD_3], &fd3);
1299 a596b957 2022-07-14 tracey 	if (error)
1300 a596b957 2022-07-14 tracey 		goto done;
1301 a596b957 2022-07-14 tracey 
1302 a596b957 2022-07-14 tracey 	error = got_gotweb_dupfd(&c->priv_fd[BLAME_FD_4], &fd4);
1303 a596b957 2022-07-14 tracey 	if (error)
1304 a596b957 2022-07-14 tracey 		goto done;
1305 a596b957 2022-07-14 tracey 
1306 a596b957 2022-07-14 tracey 	error = got_gotweb_openfile(&f1, &c->priv_fd[BLAME_FD_5], &fd5);
1307 a596b957 2022-07-14 tracey 	if (error)
1308 a596b957 2022-07-14 tracey 		goto done;
1309 a596b957 2022-07-14 tracey 
1310 a596b957 2022-07-14 tracey 	error = got_gotweb_openfile(&f2, &c->priv_fd[BLAME_FD_6], &fd6);
1311 a596b957 2022-07-14 tracey 	if (error)
1312 a596b957 2022-07-14 tracey 		goto done;
1313 a596b957 2022-07-14 tracey 
1314 a596b957 2022-07-14 tracey 	error = got_blame(in_repo_path, commit_id, repo,
1315 a596b957 2022-07-14 tracey 	    GOT_DIFF_ALGORITHM_MYERS, got_gotweb_blame_cb, &bca, NULL, NULL,
1316 a596b957 2022-07-14 tracey 	    fd3, fd4, f1, f2);
1317 a596b957 2022-07-14 tracey 
1318 a33a44db 2022-09-03 op done:
1319 a33a44db 2022-09-03 op 	if (bca.lines) {
1320 a596b957 2022-07-14 tracey 		free(bca.line_offsets);
1321 a596b957 2022-07-14 tracey 		for (i = 0; i < bca.nlines; i++) {
1322 a596b957 2022-07-14 tracey 			struct blame_line *bline = &bca.lines[i];
1323 a596b957 2022-07-14 tracey 			free(bline->id_str);
1324 a596b957 2022-07-14 tracey 			free(bline->committer);
1325 a596b957 2022-07-14 tracey 		}
1326 a596b957 2022-07-14 tracey 	}
1327 a596b957 2022-07-14 tracey 	free(bca.lines);
1328 a596b957 2022-07-14 tracey 	if (fd2 != -1 && close(fd2) == -1 && error == NULL)
1329 a596b957 2022-07-14 tracey 		error = got_error_from_errno("close");
1330 a596b957 2022-07-14 tracey 	if (fd3 != -1 && close(fd3) == -1 && error == NULL)
1331 a596b957 2022-07-14 tracey 		error = got_error_from_errno("close");
1332 a596b957 2022-07-14 tracey 	if (fd4 != -1 && close(fd4) == -1 && error == NULL)
1333 a596b957 2022-07-14 tracey 		error = got_error_from_errno("close");
1334 a596b957 2022-07-14 tracey 	if (bca.f) {
1335 a596b957 2022-07-14 tracey 		const struct got_error *bca_err =
1336 a596b957 2022-07-14 tracey 		    got_gotweb_flushfile(bca.f, fd1);
1337 a596b957 2022-07-14 tracey 		if (error == NULL)
1338 a596b957 2022-07-14 tracey 			error = bca_err;
1339 a596b957 2022-07-14 tracey 	}
1340 a596b957 2022-07-14 tracey 	if (f1) {
1341 a596b957 2022-07-14 tracey 		const struct got_error *f1_err =
1342 a596b957 2022-07-14 tracey 		    got_gotweb_flushfile(f1, fd5);
1343 a596b957 2022-07-14 tracey 		if (error == NULL)
1344 a596b957 2022-07-14 tracey 			error = f1_err;
1345 a596b957 2022-07-14 tracey 	}
1346 a596b957 2022-07-14 tracey 	if (f2) {
1347 a596b957 2022-07-14 tracey 		const struct got_error *f2_err =
1348 a596b957 2022-07-14 tracey 		    got_gotweb_flushfile(f2, fd6);
1349 a596b957 2022-07-14 tracey 		if (error == NULL)
1350 a596b957 2022-07-14 tracey 			error = f2_err;
1351 a596b957 2022-07-14 tracey 	}
1352 a596b957 2022-07-14 tracey 	if (commit)
1353 a596b957 2022-07-14 tracey 		got_object_commit_close(commit);
1354 a596b957 2022-07-14 tracey 	if (blob)
1355 a596b957 2022-07-14 tracey 		got_object_blob_close(blob);
1356 a596b957 2022-07-14 tracey 	free(in_repo_path);
1357 a596b957 2022-07-14 tracey 	free(commit_id);
1358 b94206d0 2022-09-03 op 	free(obj_id);
1359 a596b957 2022-07-14 tracey 	free(path);
1360 b94206d0 2022-09-03 op 	got_ref_list_free(&refs);
1361 a596b957 2022-07-14 tracey 	return error;
1362 a596b957 2022-07-14 tracey }
1363 a596b957 2022-07-14 tracey 
1364 a596b957 2022-07-14 tracey const struct got_error *
1365 a596b957 2022-07-14 tracey got_output_repo_diff(struct request *c)
1366 a596b957 2022-07-14 tracey {
1367 a596b957 2022-07-14 tracey 	const struct got_error *error = NULL;
1368 a596b957 2022-07-14 tracey 	struct transport *t = c->t;
1369 a596b957 2022-07-14 tracey 	struct got_repository *repo = t->repo;
1370 a596b957 2022-07-14 tracey 	struct repo_commit *rc = NULL;
1371 a596b957 2022-07-14 tracey 	struct got_object_id *id1 = NULL, *id2 = NULL;
1372 a596b957 2022-07-14 tracey 	struct got_reflist_head refs;
1373 a596b957 2022-07-14 tracey 	FILE *f1 = NULL, *f2 = NULL, *f3 = NULL;
1374 a596b957 2022-07-14 tracey 	char *label1 = NULL, *label2 = NULL, *line = NULL;
1375 a596b957 2022-07-14 tracey 	char *newline, *eline = NULL, *color = NULL;
1376 a596b957 2022-07-14 tracey 	int obj_type, fd1, fd2, fd3, fd4 = -1, fd5 = -1;
1377 a596b957 2022-07-14 tracey 	size_t linesize = 0;
1378 a596b957 2022-07-14 tracey 	ssize_t linelen;
1379 a596b957 2022-07-14 tracey 	int wrlen = 0;
1380 a596b957 2022-07-14 tracey 
1381 a596b957 2022-07-14 tracey 	TAILQ_INIT(&refs);
1382 a596b957 2022-07-14 tracey 
1383 a596b957 2022-07-14 tracey 	error = got_gotweb_openfile(&f1, &c->priv_fd[DIFF_FD_1], &fd1);
1384 a596b957 2022-07-14 tracey 	if (error)
1385 a596b957 2022-07-14 tracey 		return error;
1386 a596b957 2022-07-14 tracey 
1387 a596b957 2022-07-14 tracey 	error = got_gotweb_openfile(&f2, &c->priv_fd[DIFF_FD_2], &fd2);
1388 a596b957 2022-07-14 tracey 	if (error)
1389 a596b957 2022-07-14 tracey 		return error;
1390 a596b957 2022-07-14 tracey 
1391 a596b957 2022-07-14 tracey 	error = got_gotweb_openfile(&f3, &c->priv_fd[DIFF_FD_3], &fd3);
1392 a596b957 2022-07-14 tracey 	if (error)
1393 a596b957 2022-07-14 tracey 		return error;
1394 a596b957 2022-07-14 tracey 
1395 a596b957 2022-07-14 tracey 	rc = TAILQ_FIRST(&t->repo_commits);
1396 a596b957 2022-07-14 tracey 
1397 a596b957 2022-07-14 tracey 	if (rc->parent_id != NULL &&
1398 a596b957 2022-07-14 tracey 	    strncmp(rc->parent_id, "/dev/null", 9) != 0) {
1399 a596b957 2022-07-14 tracey 		error = got_repo_match_object_id(&id1, &label1,
1400 a596b957 2022-07-14 tracey 		    rc->parent_id, GOT_OBJ_TYPE_ANY,
1401 a596b957 2022-07-14 tracey 		    &refs, repo);
1402 a596b957 2022-07-14 tracey 		if (error)
1403 a596b957 2022-07-14 tracey 			goto done;
1404 a596b957 2022-07-14 tracey 	}
1405 a596b957 2022-07-14 tracey 
1406 a596b957 2022-07-14 tracey 	error = got_repo_match_object_id(&id2, &label2, rc->commit_id,
1407 a596b957 2022-07-14 tracey 	    GOT_OBJ_TYPE_ANY, &refs, repo);
1408 a596b957 2022-07-14 tracey 	if (error)
1409 a596b957 2022-07-14 tracey 		goto done;
1410 a596b957 2022-07-14 tracey 
1411 a596b957 2022-07-14 tracey 	error = got_object_get_type(&obj_type, repo, id2);
1412 a596b957 2022-07-14 tracey 	if (error)
1413 a596b957 2022-07-14 tracey 		goto done;
1414 a596b957 2022-07-14 tracey 
1415 a596b957 2022-07-14 tracey 	error = got_gotweb_dupfd(&c->priv_fd[DIFF_FD_4], &fd4);
1416 a596b957 2022-07-14 tracey 	if (error)
1417 a596b957 2022-07-14 tracey 		goto done;
1418 a596b957 2022-07-14 tracey 
1419 a596b957 2022-07-14 tracey 	error = got_gotweb_dupfd(&c->priv_fd[DIFF_FD_5], &fd5);
1420 a596b957 2022-07-14 tracey 	if (error)
1421 a596b957 2022-07-14 tracey 		goto done;
1422 a596b957 2022-07-14 tracey 
1423 a596b957 2022-07-14 tracey 	switch (obj_type) {
1424 a596b957 2022-07-14 tracey 	case GOT_OBJ_TYPE_BLOB:
1425 a596b957 2022-07-14 tracey 		error = got_diff_objects_as_blobs(NULL, NULL, f1, f2, fd4, fd5,
1426 a596b957 2022-07-14 tracey 		     id1, id2, NULL, NULL, GOT_DIFF_ALGORITHM_MYERS, 3, 0, 0,
1427 a596b957 2022-07-14 tracey 		     repo, f3);
1428 a596b957 2022-07-14 tracey 		break;
1429 a596b957 2022-07-14 tracey 	case GOT_OBJ_TYPE_TREE:
1430 a596b957 2022-07-14 tracey 		error = got_diff_objects_as_trees(NULL, NULL, f1, f2, fd4, fd5,
1431 a596b957 2022-07-14 tracey 		    id1, id2, NULL, "", "",  GOT_DIFF_ALGORITHM_MYERS, 3, 0, 0,
1432 a596b957 2022-07-14 tracey 		    repo, f3);
1433 a596b957 2022-07-14 tracey 		break;
1434 a596b957 2022-07-14 tracey 	case GOT_OBJ_TYPE_COMMIT:
1435 a596b957 2022-07-14 tracey 		error = got_diff_objects_as_commits(NULL, NULL, f1, f2, fd4,
1436 a596b957 2022-07-14 tracey 		    fd5, id1, id2, NULL,  GOT_DIFF_ALGORITHM_MYERS, 3, 0, 0,
1437 a596b957 2022-07-14 tracey 		    repo, f3);
1438 a596b957 2022-07-14 tracey 		break;
1439 a596b957 2022-07-14 tracey 	default:
1440 a596b957 2022-07-14 tracey 		error = got_error(GOT_ERR_OBJ_TYPE);
1441 a596b957 2022-07-14 tracey 	}
1442 a596b957 2022-07-14 tracey 	if (error)
1443 a596b957 2022-07-14 tracey 		goto done;
1444 a596b957 2022-07-14 tracey 
1445 a596b957 2022-07-14 tracey 	if (fseek(f1, 0, SEEK_SET) == -1) {
1446 a596b957 2022-07-14 tracey 		error = got_ferror(f1, GOT_ERR_IO);
1447 a596b957 2022-07-14 tracey 		goto done;
1448 a596b957 2022-07-14 tracey 	}
1449 a596b957 2022-07-14 tracey 
1450 a596b957 2022-07-14 tracey 	if (fseek(f2, 0, SEEK_SET) == -1) {
1451 a596b957 2022-07-14 tracey 		error = got_ferror(f2, GOT_ERR_IO);
1452 a596b957 2022-07-14 tracey 		goto done;
1453 a596b957 2022-07-14 tracey 	}
1454 a596b957 2022-07-14 tracey 
1455 a596b957 2022-07-14 tracey 	if (fseek(f3, 0, SEEK_SET) == -1) {
1456 a596b957 2022-07-14 tracey 		error = got_ferror(f3, GOT_ERR_IO);
1457 a596b957 2022-07-14 tracey 		goto done;
1458 a596b957 2022-07-14 tracey 	}
1459 a596b957 2022-07-14 tracey 
1460 a596b957 2022-07-14 tracey 	while ((linelen = getline(&line, &linesize, f3)) != -1) {
1461 a596b957 2022-07-14 tracey 		if (strncmp(line, "-", 1) == 0) {
1462 a596b957 2022-07-14 tracey 			color = strdup("diff_minus");
1463 a596b957 2022-07-14 tracey 			if (color == NULL) {
1464 a596b957 2022-07-14 tracey 				error = got_error_from_errno("strdup");
1465 a596b957 2022-07-14 tracey 				goto done;
1466 a596b957 2022-07-14 tracey 			}
1467 a596b957 2022-07-14 tracey 		} else if (strncmp(line, "+", 1) == 0) {
1468 a596b957 2022-07-14 tracey 			color = strdup("diff_plus");
1469 a596b957 2022-07-14 tracey 			if (color == NULL) {
1470 a596b957 2022-07-14 tracey 				error = got_error_from_errno("strdup");
1471 a596b957 2022-07-14 tracey 				goto done;
1472 a596b957 2022-07-14 tracey 			}
1473 a596b957 2022-07-14 tracey 		} else if (strncmp(line, "@@", 2) == 0) {
1474 a596b957 2022-07-14 tracey 			color = strdup("diff_chunk_header");
1475 a596b957 2022-07-14 tracey 			if (color == NULL) {
1476 a596b957 2022-07-14 tracey 				error = got_error_from_errno("strdup");
1477 a596b957 2022-07-14 tracey 				goto done;
1478 a596b957 2022-07-14 tracey 			}
1479 a596b957 2022-07-14 tracey 		} else if (strncmp(line, "@@", 2) == 0) {
1480 a596b957 2022-07-14 tracey 			color = strdup("diff_chunk_header");
1481 a596b957 2022-07-14 tracey 			if (color == NULL) {
1482 a596b957 2022-07-14 tracey 				error = got_error_from_errno("strdup");
1483 a596b957 2022-07-14 tracey 				goto done;
1484 a596b957 2022-07-14 tracey 			}
1485 a596b957 2022-07-14 tracey 		} else if (strncmp(line, "commit +", 8) == 0) {
1486 a596b957 2022-07-14 tracey 			color = strdup("diff_meta");
1487 a596b957 2022-07-14 tracey 			if (color == NULL) {
1488 a596b957 2022-07-14 tracey 				error = got_error_from_errno("strdup");
1489 a596b957 2022-07-14 tracey 				goto done;
1490 a596b957 2022-07-14 tracey 			}
1491 a596b957 2022-07-14 tracey 		} else if (strncmp(line, "commit -", 8) == 0) {
1492 a596b957 2022-07-14 tracey 			color = strdup("diff_meta");
1493 a596b957 2022-07-14 tracey 			if (color == NULL) {
1494 a596b957 2022-07-14 tracey 				error = got_error_from_errno("strdup");
1495 a596b957 2022-07-14 tracey 				goto done;
1496 a596b957 2022-07-14 tracey 			}
1497 a596b957 2022-07-14 tracey 		} else if (strncmp(line, "blob +", 6) == 0) {
1498 a596b957 2022-07-14 tracey 			color = strdup("diff_meta");
1499 a596b957 2022-07-14 tracey 			if (color == NULL) {
1500 a596b957 2022-07-14 tracey 				error = got_error_from_errno("strdup");
1501 a596b957 2022-07-14 tracey 				goto done;
1502 a596b957 2022-07-14 tracey 			}
1503 a596b957 2022-07-14 tracey 		} else if (strncmp(line, "blob -", 6) == 0) {
1504 a596b957 2022-07-14 tracey 			color = strdup("diff_meta");
1505 a596b957 2022-07-14 tracey 			if (color == NULL) {
1506 a596b957 2022-07-14 tracey 				error = got_error_from_errno("strdup");
1507 a596b957 2022-07-14 tracey 				goto done;
1508 a596b957 2022-07-14 tracey 			}
1509 a596b957 2022-07-14 tracey 		} else if (strncmp(line, "file +", 6) == 0) {
1510 a596b957 2022-07-14 tracey 			color = strdup("diff_meta");
1511 a596b957 2022-07-14 tracey 			if (color == NULL) {
1512 a596b957 2022-07-14 tracey 				error = got_error_from_errno("strdup");
1513 a596b957 2022-07-14 tracey 				goto done;
1514 a596b957 2022-07-14 tracey 			}
1515 a596b957 2022-07-14 tracey 		} else if (strncmp(line, "file -", 6) == 0) {
1516 a596b957 2022-07-14 tracey 			color = strdup("diff_meta");
1517 a596b957 2022-07-14 tracey 			if (color == NULL) {
1518 a596b957 2022-07-14 tracey 				error = got_error_from_errno("strdup");
1519 a596b957 2022-07-14 tracey 				goto done;
1520 a596b957 2022-07-14 tracey 			}
1521 a596b957 2022-07-14 tracey 		} else if (strncmp(line, "from:", 5) == 0) {
1522 a596b957 2022-07-14 tracey 			color = strdup("diff_author");
1523 a596b957 2022-07-14 tracey 			if (color == NULL) {
1524 a596b957 2022-07-14 tracey 				error = got_error_from_errno("strdup");
1525 a596b957 2022-07-14 tracey 				goto done;
1526 a596b957 2022-07-14 tracey 			}
1527 a596b957 2022-07-14 tracey 		} else if (strncmp(line, "via:", 4) == 0) {
1528 a596b957 2022-07-14 tracey 			color = strdup("diff_author");
1529 a596b957 2022-07-14 tracey 			if (color == NULL) {
1530 a596b957 2022-07-14 tracey 				error = got_error_from_errno("strdup");
1531 a596b957 2022-07-14 tracey 				goto done;
1532 a596b957 2022-07-14 tracey 			}
1533 a596b957 2022-07-14 tracey 		} else if (strncmp(line, "date:", 5) == 0) {
1534 a596b957 2022-07-14 tracey 			color = strdup("diff_date");
1535 a596b957 2022-07-14 tracey 			if (color == NULL) {
1536 a596b957 2022-07-14 tracey 				error = got_error_from_errno("strdup");
1537 a596b957 2022-07-14 tracey 				goto done;
1538 a596b957 2022-07-14 tracey 			}
1539 a596b957 2022-07-14 tracey 		}
1540 01498c42 2022-08-19 op 
1541 a596b957 2022-07-14 tracey 		newline = strchr(line, '\n');
1542 a596b957 2022-07-14 tracey 		if (newline)
1543 a596b957 2022-07-14 tracey 			*newline = '\0';
1544 a596b957 2022-07-14 tracey 
1545 a596b957 2022-07-14 tracey 		error = gotweb_escape_html(&eline, line);
1546 a596b957 2022-07-14 tracey 		if (error)
1547 a596b957 2022-07-14 tracey 			goto done;
1548 01498c42 2022-08-19 op 
1549 01498c42 2022-08-19 op 		fcgi_printf(c, "<div class='diff_line %s'>%s</div>\n",
1550 01498c42 2022-08-19 op 		    color ? color : "", eline);
1551 a596b957 2022-07-14 tracey 		free(eline);
1552 a596b957 2022-07-14 tracey 		eline = NULL;
1553 a596b957 2022-07-14 tracey 
1554 a596b957 2022-07-14 tracey 		if (linelen > 0)
1555 a596b957 2022-07-14 tracey 			wrlen = wrlen + linelen;
1556 a596b957 2022-07-14 tracey 		free(color);
1557 a596b957 2022-07-14 tracey 		color = NULL;
1558 a596b957 2022-07-14 tracey 	}
1559 a596b957 2022-07-14 tracey 	if (linelen == -1 && ferror(f3))
1560 a596b957 2022-07-14 tracey 		error = got_error_from_errno("getline");
1561 a596b957 2022-07-14 tracey done:
1562 a596b957 2022-07-14 tracey 	free(color);
1563 a596b957 2022-07-14 tracey 	if (fd4 != -1 && close(fd4) == -1 && error == NULL)
1564 a596b957 2022-07-14 tracey 		error = got_error_from_errno("close");
1565 a596b957 2022-07-14 tracey 	if (fd5 != -1 && close(fd5) == -1 && error == NULL)
1566 a596b957 2022-07-14 tracey 		error = got_error_from_errno("close");
1567 a596b957 2022-07-14 tracey 	if (f1) {
1568 a596b957 2022-07-14 tracey 		const struct got_error *f1_err =
1569 a596b957 2022-07-14 tracey 		    got_gotweb_flushfile(f1, fd1);
1570 a596b957 2022-07-14 tracey 		if (error == NULL)
1571 a596b957 2022-07-14 tracey 			error = f1_err;
1572 a596b957 2022-07-14 tracey 	}
1573 a596b957 2022-07-14 tracey 	if (f2) {
1574 a596b957 2022-07-14 tracey 		const struct got_error *f2_err =
1575 a596b957 2022-07-14 tracey 		    got_gotweb_flushfile(f2, fd2);
1576 a596b957 2022-07-14 tracey 		if (error == NULL)
1577 a596b957 2022-07-14 tracey 			error = f2_err;
1578 a596b957 2022-07-14 tracey 	}
1579 a596b957 2022-07-14 tracey 	if (f3) {
1580 a596b957 2022-07-14 tracey 		const struct got_error *f3_err =
1581 a596b957 2022-07-14 tracey 		    got_gotweb_flushfile(f3, fd3);
1582 a596b957 2022-07-14 tracey 		if (error == NULL)
1583 a596b957 2022-07-14 tracey 			error = f3_err;
1584 a596b957 2022-07-14 tracey 	}
1585 a596b957 2022-07-14 tracey 	got_ref_list_free(&refs);
1586 a596b957 2022-07-14 tracey 	free(line);
1587 a596b957 2022-07-14 tracey 	free(eline);
1588 a596b957 2022-07-14 tracey 	free(label1);
1589 a596b957 2022-07-14 tracey 	free(label2);
1590 a596b957 2022-07-14 tracey 	free(id1);
1591 a596b957 2022-07-14 tracey 	free(id2);
1592 a596b957 2022-07-14 tracey 	return error;
1593 a596b957 2022-07-14 tracey }
1594 a596b957 2022-07-14 tracey 
1595 a596b957 2022-07-14 tracey static const struct got_error *
1596 a596b957 2022-07-14 tracey got_init_repo_commit(struct repo_commit **rc)
1597 a596b957 2022-07-14 tracey {
1598 a596b957 2022-07-14 tracey 	*rc = calloc(1, sizeof(**rc));
1599 a596b957 2022-07-14 tracey 	if (*rc == NULL)
1600 a596b957 2022-07-14 tracey 		return got_error_from_errno2("%s: calloc", __func__);
1601 a596b957 2022-07-14 tracey 
1602 a596b957 2022-07-14 tracey 	(*rc)->path = NULL;
1603 a596b957 2022-07-14 tracey 	(*rc)->refs_str = NULL;
1604 a596b957 2022-07-14 tracey 	(*rc)->commit_id = NULL;
1605 a596b957 2022-07-14 tracey 	(*rc)->committer = NULL;
1606 a596b957 2022-07-14 tracey 	(*rc)->author = NULL;
1607 a596b957 2022-07-14 tracey 	(*rc)->parent_id = NULL;
1608 a596b957 2022-07-14 tracey 	(*rc)->tree_id = NULL;
1609 a596b957 2022-07-14 tracey 	(*rc)->commit_msg = NULL;
1610 a596b957 2022-07-14 tracey 
1611 dd84f505 2022-08-31 stsp 	return NULL;
1612 a596b957 2022-07-14 tracey }
1613 a596b957 2022-07-14 tracey 
1614 a596b957 2022-07-14 tracey static const struct got_error *
1615 a596b957 2022-07-14 tracey got_init_repo_tag(struct repo_tag **rt)
1616 a596b957 2022-07-14 tracey {
1617 a596b957 2022-07-14 tracey 	*rt = calloc(1, sizeof(**rt));
1618 a596b957 2022-07-14 tracey 	if (*rt == NULL)
1619 a596b957 2022-07-14 tracey 		return got_error_from_errno2("%s: calloc", __func__);
1620 a596b957 2022-07-14 tracey 
1621 a596b957 2022-07-14 tracey 	(*rt)->commit_id = NULL;
1622 a596b957 2022-07-14 tracey 	(*rt)->tag_name = NULL;
1623 a596b957 2022-07-14 tracey 	(*rt)->tag_commit = NULL;
1624 a596b957 2022-07-14 tracey 	(*rt)->commit_msg = NULL;
1625 a596b957 2022-07-14 tracey 	(*rt)->tagger = NULL;
1626 a596b957 2022-07-14 tracey 
1627 dd84f505 2022-08-31 stsp 	return NULL;
1628 a596b957 2022-07-14 tracey }