X-Git-Url: https://git.cameronkatri.com/cgit.git/blobdiff_plain/9a8d39c668b98464bac97d4e5442966de63f97b2..0255821e22678d4c58c809efe17bf2798835d5b9:/cgit.c

diff --git a/cgit.c b/cgit.c
index 53ab68d..afafcce 100644
--- a/cgit.c
+++ b/cgit.c
@@ -1,7 +1,7 @@
 /* cgit.c: cgi for the git scm
  *
  * Copyright (C) 2006 Lars Hjemli
- * Copyright (C) 2010 Jason A. Donenfeld <Jason@zx2c4.com>
+ * Copyright (C) 2010, 2012 Jason A. Donenfeld <Jason@zx2c4.com>
  *
  * Licensed under GNU General Public License v2
  *   (see COPYING for full license text)
@@ -18,7 +18,7 @@
 
 const char *cgit_version = CGIT_VERSION;
 
-void add_mimetype(const char *name, const char *value)
+static void add_mimetype(const char *name, const char *value)
 {
 	struct string_list_item *item;
 
@@ -26,25 +26,42 @@ void add_mimetype(const char *name, const char *value)
 	item->util = xstrdup(value);
 }
 
-struct cgit_filter *new_filter(const char *cmd, int extra_args)
+static struct cgit_filter *new_filter(const char *cmd, filter_type filtertype)
 {
 	struct cgit_filter *f;
+	int args_size = 0;
+	int extra_args;
 
 	if (!cmd || !cmd[0])
 		return NULL;
 
+	switch (filtertype) {
+		case SOURCE:
+			extra_args = 1;
+			break;
+
+		case ABOUT:
+		case COMMIT:
+		default:
+			extra_args = 0;
+			break;
+	}
+
 	f = xmalloc(sizeof(struct cgit_filter));
 	f->cmd = xstrdup(cmd);
-	f->argv = xmalloc((2 + extra_args) * sizeof(char *));
+	args_size = (2 + extra_args) * sizeof(char *);
+	f->argv = xmalloc(args_size);
+	memset(f->argv, 0, args_size);
 	f->argv[0] = f->cmd;
-	f->argv[1] = NULL;
 	return f;
 }
 
 static void process_cached_repolist(const char *path);
 
-void repo_config(struct cgit_repo *repo, const char *name, const char *value)
+static void repo_config(struct cgit_repo *repo, const char *name, const char *value)
 {
+	struct string_list_item *item;
+
 	if (!strcmp(name, "name"))
 		repo->name = xstrdup(value);
 	else if (!strcmp(name, "clone-url"))
@@ -58,34 +75,46 @@ void repo_config(struct cgit_repo *repo, const char *name, const char *value)
 	else if (!strcmp(name, "snapshots"))
 		repo->snapshots = ctx.cfg.snapshots & cgit_parse_snapshots_mask(value);
 	else if (!strcmp(name, "enable-commit-graph"))
-		repo->enable_commit_graph = ctx.cfg.enable_commit_graph * atoi(value);
+		repo->enable_commit_graph = atoi(value);
 	else if (!strcmp(name, "enable-log-filecount"))
-		repo->enable_log_filecount = ctx.cfg.enable_log_filecount * atoi(value);
+		repo->enable_log_filecount = atoi(value);
 	else if (!strcmp(name, "enable-log-linecount"))
-		repo->enable_log_linecount = ctx.cfg.enable_log_linecount * atoi(value);
+		repo->enable_log_linecount = atoi(value);
 	else if (!strcmp(name, "enable-remote-branches"))
 		repo->enable_remote_branches = atoi(value);
 	else if (!strcmp(name, "enable-subject-links"))
 		repo->enable_subject_links = atoi(value);
-	else if (!strcmp(name, "max-stats"))
+	else if (!strcmp(name, "commit-sort")) {
+		if (!strcmp(value, "date"))
+			repo->commit_sort = 1;
+		if (!strcmp(value, "topo"))
+			repo->commit_sort = 2;
+	} else if (!strcmp(name, "max-stats"))
 		repo->max_stats = cgit_find_stats_period(value, NULL);
 	else if (!strcmp(name, "module-link"))
 		repo->module_link= xstrdup(value);
-	else if (!strcmp(name, "section"))
+	else if (!prefixcmp(name, "module-link.")) {
+		item = string_list_append(&repo->submodules, name + 12);
+		item->util = xstrdup(value);
+	} else if (!strcmp(name, "section"))
 		repo->section = xstrdup(value);
-	else if (!strcmp(name, "readme") && value != NULL) {
+	else if (!strcmp(name, "readme") && value != NULL)
 		repo->readme = xstrdup(value);
-	} else if (ctx.cfg.enable_filter_overrides) {
+	else if (!strcmp(name, "logo") && value != NULL)
+		repo->logo = xstrdup(value);
+	else if (!strcmp(name, "logo-link") && value != NULL)
+		repo->logo_link = xstrdup(value);
+	else if (ctx.cfg.enable_filter_overrides) {
 		if (!strcmp(name, "about-filter"))
-			repo->about_filter = new_filter(value, 0);
+			repo->about_filter = new_filter(value, ABOUT);
 		else if (!strcmp(name, "commit-filter"))
-			repo->commit_filter = new_filter(value, 0);
+			repo->commit_filter = new_filter(value, COMMIT);
 		else if (!strcmp(name, "source-filter"))
-			repo->source_filter = new_filter(value, 1);
+			repo->source_filter = new_filter(value, SOURCE);
 	}
 }
 
-void config_cb(const char *name, const char *value)
+static void config_cb(const char *name, const char *value)
 {
 	if (!strcmp(name, "section") || !strcmp(name, "repo.group"))
 		ctx.cfg.section = xstrdup(value);
@@ -139,10 +168,12 @@ void config_cb(const char *name, const char *value)
 		ctx.cfg.snapshots = cgit_parse_snapshots_mask(value);
 	else if (!strcmp(name, "enable-filter-overrides"))
 		ctx.cfg.enable_filter_overrides = atoi(value);
-	else if (!strcmp(name, "enable-gitweb-owner"))
-		ctx.cfg.enable_gitweb_owner = atoi(value);
+	else if (!strcmp(name, "enable-http-clone"))
+		ctx.cfg.enable_http_clone = atoi(value);
 	else if (!strcmp(name, "enable-index-links"))
 		ctx.cfg.enable_index_links = atoi(value);
+	else if (!strcmp(name, "enable-index-owner"))
+		ctx.cfg.enable_index_owner = atoi(value);
 	else if (!strcmp(name, "enable-commit-graph"))
 		ctx.cfg.enable_commit_graph = atoi(value);
 	else if (!strcmp(name, "enable-log-filecount"))
@@ -155,6 +186,8 @@ void config_cb(const char *name, const char *value)
 		ctx.cfg.enable_subject_links = atoi(value);
 	else if (!strcmp(name, "enable-tree-linenumbers"))
 		ctx.cfg.enable_tree_linenumbers = atoi(value);
+	else if (!strcmp(name, "enable-git-config"))
+		ctx.cfg.enable_git_config = atoi(value);
 	else if (!strcmp(name, "max-stats"))
 		ctx.cfg.max_stats = cgit_find_stats_period(value, NULL);
 	else if (!strcmp(name, "cache-size"))
@@ -171,10 +204,12 @@ void config_cb(const char *name, const char *value)
 		ctx.cfg.cache_static_ttl = atoi(value);
 	else if (!strcmp(name, "cache-dynamic-ttl"))
 		ctx.cfg.cache_dynamic_ttl = atoi(value);
+	else if (!strcmp(name, "case-sensitive-sort"))
+		ctx.cfg.case_sensitive_sort = atoi(value);
 	else if (!strcmp(name, "about-filter"))
-		ctx.cfg.about_filter = new_filter(value, 0);
+		ctx.cfg.about_filter = new_filter(value, ABOUT);
 	else if (!strcmp(name, "commit-filter"))
-		ctx.cfg.commit_filter = new_filter(value, 0);
+		ctx.cfg.commit_filter = new_filter(value, COMMIT);
 	else if (!strcmp(name, "embedded"))
 		ctx.cfg.embedded = atoi(value);
 	else if (!strcmp(name, "max-atom-items"))
@@ -199,10 +234,16 @@ void config_cb(const char *name, const char *value)
 				      ctx.cfg.project_list, repo_config);
 		else
 			scan_tree(expand_macros(value), repo_config);
+	else if (!strcmp(name, "scan-hidden-path"))
+		ctx.cfg.scan_hidden_path = atoi(value);
 	else if (!strcmp(name, "section-from-path"))
 		ctx.cfg.section_from_path = atoi(value);
+	else if (!strcmp(name, "repository-sort"))
+		ctx.cfg.repository_sort = xstrdup(value);
+	else if (!strcmp(name, "section-sort"))
+		ctx.cfg.section_sort = atoi(value);
 	else if (!strcmp(name, "source-filter"))
-		ctx.cfg.source_filter = new_filter(value, 1);
+		ctx.cfg.source_filter = new_filter(value, SOURCE);
 	else if (!strcmp(name, "summary-log"))
 		ctx.cfg.summary_log = atoi(value);
 	else if (!strcmp(name, "summary-branches"))
@@ -213,6 +254,8 @@ void config_cb(const char *name, const char *value)
 		ctx.cfg.ssdiff = atoi(value);
 	else if (!strcmp(name, "agefile"))
 		ctx.cfg.agefile = xstrdup(value);
+	else if (!strcmp(name, "mimetype-file"))
+		ctx.cfg.mimetype_file = xstrdup(value);
 	else if (!strcmp(name, "renamelimit"))
 		ctx.cfg.renamelimit = atoi(value);
 	else if (!strcmp(name, "remove-suffix"))
@@ -221,9 +264,16 @@ void config_cb(const char *name, const char *value)
 		ctx.cfg.robots = xstrdup(value);
 	else if (!strcmp(name, "clone-prefix"))
 		ctx.cfg.clone_prefix = xstrdup(value);
+	else if (!strcmp(name, "clone-url"))
+		ctx.cfg.clone_url = xstrdup(value);
 	else if (!strcmp(name, "local-time"))
 		ctx.cfg.local_time = atoi(value);
-	else if (!prefixcmp(name, "mimetype."))
+	else if (!strcmp(name, "commit-sort")) {
+		if (!strcmp(value, "date"))
+			ctx.cfg.commit_sort = 1;
+		if (!strcmp(value, "topo"))
+			ctx.cfg.commit_sort = 2;
+	} else if (!prefixcmp(name, "mimetype."))
 		add_mimetype(name + 9, value);
 	else if (!strcmp(name, "include"))
 		parse_configfile(expand_macros(value), config_cb);
@@ -265,7 +315,7 @@ static void querystring_cb(const char *name, const char *value)
 		ctx.qry.name = xstrdup(value);
 	} else if (!strcmp(name, "mimetype")) {
 		ctx.qry.mimetype = xstrdup(value);
-	} else if (!strcmp(name, "s")){
+	} else if (!strcmp(name, "s")) {
 		ctx.qry.sort = xstrdup(value);
 	} else if (!strcmp(name, "showmsg")) {
 		ctx.qry.showmsg = atoi(value);
@@ -273,6 +323,7 @@ static void querystring_cb(const char *name, const char *value)
 		ctx.qry.period = xstrdup(value);
 	} else if (!strcmp(name, "ss")) {
 		ctx.qry.ssdiff = atoi(value);
+		ctx.qry.has_ssdiff = 1;
 	} else if (!strcmp(name, "all")) {
 		ctx.qry.show_all = atoi(value);
 	} else if (!strcmp(name, "context")) {
@@ -282,7 +333,7 @@ static void querystring_cb(const char *name, const char *value)
 	}
 }
 
-char *xstrdupn(const char *str)
+static char *xstrdupn(const char *str)
 {
 	return (str ? xstrdup(str) : NULL);
 }
@@ -300,11 +351,14 @@ static void prepare_context(struct cgit_context *ctx)
 	ctx->cfg.cache_root_ttl = 5;
 	ctx->cfg.cache_scanrc_ttl = 15;
 	ctx->cfg.cache_static_ttl = -1;
+	ctx->cfg.case_sensitive_sort = 1;
 	ctx->cfg.css = "/cgit.css";
 	ctx->cfg.logo = "/cgit.png";
 	ctx->cfg.local_time = 0;
-	ctx->cfg.enable_gitweb_owner = 1;
+	ctx->cfg.enable_http_clone = 1;
+	ctx->cfg.enable_index_owner = 1;
 	ctx->cfg.enable_tree_linenumbers = 1;
+	ctx->cfg.enable_git_config = 0;
 	ctx->cfg.max_repo_count = 50;
 	ctx->cfg.max_commit_count = 50;
 	ctx->cfg.max_lock_attempts = 5;
@@ -312,15 +366,17 @@ static void prepare_context(struct cgit_context *ctx)
 	ctx->cfg.max_repodesc_len = 80;
 	ctx->cfg.max_blob_size = 0;
 	ctx->cfg.max_stats = 0;
-	ctx->cfg.module_link = "./?repo=%s&page=commit&id=%s";
 	ctx->cfg.project_list = NULL;
 	ctx->cfg.renamelimit = -1;
 	ctx->cfg.remove_suffix = 0;
 	ctx->cfg.robots = "index, nofollow";
 	ctx->cfg.root_title = "Git repository browser";
 	ctx->cfg.root_desc = "a fast webinterface for the git dscm";
+	ctx->cfg.scan_hidden_path = 0;
 	ctx->cfg.script_name = CGIT_SCRIPT_NAME;
 	ctx->cfg.section = "";
+	ctx->cfg.repository_sort = "name";
+	ctx->cfg.section_sort = 1;
 	ctx->cfg.summary_branches = 10;
 	ctx->cfg.summary_log = 10;
 	ctx->cfg.summary_tags = 10;
@@ -358,8 +414,8 @@ struct refmatch {
 	int match;
 };
 
-int find_current_ref(const char *refname, const unsigned char *sha1,
-		     int flags, void *cb_data)
+static int find_current_ref(const char *refname, const unsigned char *sha1,
+			    int flags, void *cb_data)
 {
 	struct refmatch *info;
 
@@ -371,7 +427,13 @@ int find_current_ref(const char *refname, const unsigned char *sha1,
 	return info->match;
 }
 
-char *find_default_branch(struct cgit_repo *repo)
+static void free_refmatch_inner(struct refmatch *info)
+{
+	if (info->first_ref)
+		free(info->first_ref);
+}
+
+static char *find_default_branch(struct cgit_repo *repo)
 {
 	struct refmatch info;
 	char *ref;
@@ -386,21 +448,38 @@ char *find_default_branch(struct cgit_repo *repo)
 		ref = info.first_ref;
 	if (ref)
 		ref = xstrdup(ref);
+	free_refmatch_inner(&info);
+
 	return ref;
 }
 
+static char *guess_defbranch(void)
+{
+	const char *ref;
+	unsigned char sha1[20];
+
+	ref = resolve_ref_unsafe("HEAD", sha1, 0, NULL);
+	if (!ref || prefixcmp(ref, "refs/heads/"))
+		return "master";
+	return xstrdup(ref + 11);
+}
+
 static int prepare_repo_cmd(struct cgit_context *ctx)
 {
 	char *tmp;
 	unsigned char sha1[20];
 	int nongit = 0;
+	int rc;
 
 	setenv("GIT_DIR", ctx->repo->path, 1);
 	setup_git_directory_gently(&nongit);
 	if (nongit) {
+		rc = errno;
 		ctx->page.title = fmt("%s - %s", ctx->cfg.root_title,
 				      "config error");
-		tmp = fmt("Not a git repository: '%s'", ctx->repo->path);
+		tmp = fmt("Failed to open %s: %s",
+			  ctx->repo->name,
+			  rc ? strerror(rc) : "Not a valid git repository");
 		ctx->repo = NULL;
 		cgit_print_http_headers(ctx);
 		cgit_print_docstart(ctx);
@@ -411,10 +490,12 @@ static int prepare_repo_cmd(struct cgit_context *ctx)
 	}
 	ctx->page.title = fmt("%s - %s", ctx->repo->name, ctx->repo->desc);
 
+	if (!ctx->repo->defbranch)
+		ctx->repo->defbranch = guess_defbranch();
+
 	if (!ctx->qry.head) {
 		ctx->qry.nohead = 1;
 		ctx->qry.head = find_default_branch(ctx->repo);
-		ctx->repo->defbranch = ctx->qry.head;
 	}
 
 	if (!ctx->qry.head) {
@@ -430,7 +511,7 @@ static int prepare_repo_cmd(struct cgit_context *ctx)
 		tmp = xstrdup(ctx->qry.head);
 		ctx->qry.head = ctx->repo->defbranch;
 		ctx->page.status = 404;
-		ctx->page.statusmsg = "not found";
+		ctx->page.statusmsg = "Not found";
 		cgit_print_http_headers(ctx);
 		cgit_print_docstart(ctx);
 		cgit_print_pageheader(ctx);
@@ -438,6 +519,8 @@ static int prepare_repo_cmd(struct cgit_context *ctx)
 		cgit_print_docend();
 		return 1;
 	}
+	sort_string_list(&ctx->repo->submodules);
+	cgit_prepare_repo_env(ctx->repo);
 	return 0;
 }
 
@@ -449,6 +532,8 @@ static void process_request(void *cbdata)
 	cmd = cgit_get_cmd(ctx);
 	if (!cmd) {
 		ctx->page.title = "cgit error";
+		ctx->page.status = 404;
+		ctx->page.statusmsg = "Not found";
 		cgit_print_http_headers(ctx);
 		cgit_print_docstart(ctx);
 		cgit_print_pageheader(ctx);
@@ -457,6 +542,11 @@ static void process_request(void *cbdata)
 		return;
 	}
 
+	if (!ctx->cfg.enable_http_clone && cmd->is_clone) {
+		html_status(404, "Not found", 0);
+		return;
+	}
+
 	/* If cmd->want_vpath is set, assume ctx->qry.path contains a "virtual"
 	 * in-project path limit to be made available at ctx->qry.vpath.
 	 * Otherwise, no path limit is in effect (ctx->qry.vpath = NULL).
@@ -487,13 +577,13 @@ static void process_request(void *cbdata)
 		cgit_print_docend();
 }
 
-int cmp_repos(const void *a, const void *b)
+static int cmp_repos(const void *a, const void *b)
 {
 	const struct cgit_repo *ra = a, *rb = b;
 	return strcmp(ra->url, rb->url);
 }
 
-char *build_snapshot_setting(int bitmap)
+static char *build_snapshot_setting(int bitmap)
 {
 	const struct cgit_snapshot_format *f;
 	char *result = xstrdup("");
@@ -513,7 +603,7 @@ char *build_snapshot_setting(int bitmap)
 	return result;
 }
 
-char *get_first_line(char *txt)
+static char *get_first_line(char *txt)
 {
 	char *t = xstrdup(txt);
 	char *p = strchr(t, '\n');
@@ -522,7 +612,7 @@ char *get_first_line(char *txt)
 	return t;
 }
 
-void print_repo(FILE *f, struct cgit_repo *repo)
+static void print_repo(FILE *f, struct cgit_repo *repo)
 {
 	fprintf(f, "repo.url=%s\n", repo->url);
 	fprintf(f, "repo.name=%s\n", repo->name);
@@ -567,11 +657,11 @@ void print_repo(FILE *f, struct cgit_repo *repo)
 	fprintf(f, "\n");
 }
 
-void print_repolist(FILE *f, struct cgit_repolist *list, int start)
+static void print_repolist(FILE *f, struct cgit_repolist *list, int start)
 {
 	int i;
 
-	for(i = start; i < list->count; i++)
+	for (i = start; i < list->count; i++)
 		print_repo(f, &list->repos[i]);
 }
 
@@ -659,7 +749,7 @@ static void cgit_parse_args(int argc, const char **argv)
 
 	for (i = 1; i < argc; i++) {
 		if (!strncmp(argv[i], "--cache=", 8)) {
-			ctx.cfg.cache_root = xstrdup(argv[i]+8);
+			ctx.cfg.cache_root = xstrdup(argv[i] + 8);
 		}
 		if (!strcmp(argv[i], "--nocache")) {
 			ctx.cfg.nocache = 1;
@@ -668,24 +758,24 @@ static void cgit_parse_args(int argc, const char **argv)
 			ctx.env.no_http = "1";
 		}
 		if (!strncmp(argv[i], "--query=", 8)) {
-			ctx.qry.raw = xstrdup(argv[i]+8);
+			ctx.qry.raw = xstrdup(argv[i] + 8);
 		}
 		if (!strncmp(argv[i], "--repo=", 7)) {
-			ctx.qry.repo = xstrdup(argv[i]+7);
+			ctx.qry.repo = xstrdup(argv[i] + 7);
 		}
 		if (!strncmp(argv[i], "--page=", 7)) {
-			ctx.qry.page = xstrdup(argv[i]+7);
+			ctx.qry.page = xstrdup(argv[i] + 7);
 		}
 		if (!strncmp(argv[i], "--head=", 7)) {
-			ctx.qry.head = xstrdup(argv[i]+7);
+			ctx.qry.head = xstrdup(argv[i] + 7);
 			ctx.qry.has_symref = 1;
 		}
 		if (!strncmp(argv[i], "--sha1=", 7)) {
-			ctx.qry.sha1 = xstrdup(argv[i]+7);
+			ctx.qry.sha1 = xstrdup(argv[i] + 7);
 			ctx.qry.has_sha1 = 1;
 		}
 		if (!strncmp(argv[i], "--ofs=", 6)) {
-			ctx.qry.ofs = atoi(argv[i]+6);
+			ctx.qry.ofs = atoi(argv[i] + 6);
 		}
 		if (!strncmp(argv[i], "--scan-tree=", 12) ||
 		    !strncmp(argv[i], "--scan-path=", 12)) {
@@ -745,10 +835,14 @@ int main(int argc, const char **argv)
 	http_parse_querystring(ctx.qry.raw, querystring_cb);
 
 	/* If virtual-root isn't specified in cgitrc, lets pretend
-	 * that virtual-root equals SCRIPT_NAME.
+	 * that virtual-root equals SCRIPT_NAME, minus any possibly
+	 * trailing slashes.
 	 */
-	if (!ctx.cfg.virtual_root)
-		ctx.cfg.virtual_root = ctx.cfg.script_name;
+	if (!ctx.cfg.virtual_root && ctx.cfg.script_name) {
+		ctx.cfg.virtual_root = trim_end(ctx.cfg.script_name, '/');
+		if (!ctx.cfg.virtual_root)
+			ctx.cfg.virtual_root = "";
+	}
 
 	/* If no url parameter is specified on the querystring, lets
 	 * use PATH_INFO as url. This allows cgit to work with virtual
@@ -770,7 +864,7 @@ int main(int argc, const char **argv)
 	}
 
 	ttl = calc_ttl();
-	ctx.page.expires += ttl*60;
+	ctx.page.expires += ttl * 60;
 	if (ctx.env.request_method && !strcmp(ctx.env.request_method, "HEAD"))
 		ctx.cfg.nocache = 1;
 	if (ctx.cfg.nocache)