X-Git-Url: https://git.cameronkatri.com/cgit.git/blobdiff_plain/652a5a18db3b0409fedfaf8c5720446d87628ba0..a6572ce1762e0d571c3e96b5f4eff7c81015a1f2:/shared.c

diff --git a/shared.c b/shared.c
index 3778a5b..a63633b 100644
--- a/shared.c
+++ b/shared.c
@@ -1,6 +1,6 @@
 /* shared.c: global vars + some callback functions
  *
- * Copyright (C) 2006 Lars Hjemli
+ * Copyright (C) 2006-2014 cgit Development Team <cgit@lists.zx2c4.com>
  *
  * Licensed under GNU General Public License v2
  *   (see COPYING for full license text)
@@ -14,24 +14,25 @@ struct cgit_context ctx;
 int chk_zero(int result, char *msg)
 {
 	if (result != 0)
-		die("%s: %s", msg, strerror(errno));
+		die_errno("%s", msg);
 	return result;
 }
 
 int chk_positive(int result, char *msg)
 {
 	if (result <= 0)
-		die("%s: %s", msg, strerror(errno));
+		die_errno("%s", msg);
 	return result;
 }
 
 int chk_non_negative(int result, char *msg)
 {
-    	if (result < 0)
-	    	die("%s: %s",msg, strerror(errno));
+	if (result < 0)
+		die_errno("%s", msg);
 	return result;
 }
 
+char *cgit_default_repo_desc = "[no description]";
 struct cgit_repo *cgit_add_repo(const char *url)
 {
 	struct cgit_repo *ret;
@@ -51,23 +52,31 @@ struct cgit_repo *cgit_add_repo(const char *url)
 	ret->url = trim_end(url, '/');
 	ret->name = ret->url;
 	ret->path = NULL;
-	ret->desc = "[no description]";
+	ret->desc = cgit_default_repo_desc;
 	ret->owner = NULL;
+	ret->homepage = NULL;
 	ret->section = ctx.cfg.section;
-	ret->defbranch = "master";
 	ret->snapshots = ctx.cfg.snapshots;
 	ret->enable_commit_graph = ctx.cfg.enable_commit_graph;
 	ret->enable_log_filecount = ctx.cfg.enable_log_filecount;
 	ret->enable_log_linecount = ctx.cfg.enable_log_linecount;
 	ret->enable_remote_branches = ctx.cfg.enable_remote_branches;
 	ret->enable_subject_links = ctx.cfg.enable_subject_links;
+	ret->enable_html_serving = ctx.cfg.enable_html_serving;
 	ret->max_stats = ctx.cfg.max_stats;
+	ret->branch_sort = ctx.cfg.branch_sort;
+	ret->commit_sort = ctx.cfg.commit_sort;
 	ret->module_link = ctx.cfg.module_link;
 	ret->readme = ctx.cfg.readme;
 	ret->mtime = -1;
 	ret->about_filter = ctx.cfg.about_filter;
 	ret->commit_filter = ctx.cfg.commit_filter;
 	ret->source_filter = ctx.cfg.source_filter;
+	ret->email_filter = ctx.cfg.email_filter;
+	ret->owner_filter = ctx.cfg.owner_filter;
+	ret->clone_url = ctx.cfg.clone_url;
+	ret->submodules.strdup_strings = 1;
+	ret->hide = ret->ignore = 0;
 	return ret;
 }
 
@@ -76,8 +85,10 @@ struct cgit_repo *cgit_get_repoinfo(const char *url)
 	int i;
 	struct cgit_repo *repo;
 
-	for (i=0; i<cgit_repolist.count; i++) {
+	for (i = 0; i < cgit_repolist.count; i++) {
 		repo = &cgit_repolist.repos[i];
+		if (repo->ignore)
+			continue;
 		if (!strcmp(repo->url, url))
 			return repo;
 	}
@@ -104,13 +115,34 @@ char *trim_end(const char *str, char c)
 	if (str == NULL)
 		return NULL;
 	len = strlen(str);
-	while(len > 0 && str[len - 1] == c)
+	while (len > 0 && str[len - 1] == c)
 		len--;
 	if (len == 0)
 		return NULL;
 	return xstrndup(str, len);
 }
 
+char *ensure_end(const char *str, char c)
+{
+	size_t len = strlen(str);
+	char *result;
+
+	if (len && str[len - 1] == c)
+		return xstrndup(str, len);
+
+	result = xmalloc(len + 2);
+	memcpy(result, str, len);
+	result[len] = '/';
+	result[len + 1] = '\0';
+	return result;
+}
+
+void strbuf_ensure_end(struct strbuf *sb, char c)
+{
+	if (!sb->len || sb->buf[sb->len - 1] != c)
+		strbuf_addch(sb, c);
+}
+
 char *strlpart(char *txt, int maxlen)
 {
 	char *result;
@@ -154,13 +186,13 @@ void cgit_add_ref(struct reflist *list, struct refinfo *ref)
 	list->refs[list->count++] = ref;
 }
 
-struct refinfo *cgit_mk_refinfo(const char *refname, const unsigned char *sha1)
+static struct refinfo *cgit_mk_refinfo(const char *refname, const struct object_id *oid)
 {
 	struct refinfo *ref;
 
 	ref = xmalloc(sizeof (struct refinfo));
 	ref->refname = xstrdup(refname);
-	ref->object = parse_object(sha1);
+	ref->object = parse_object(oid->hash);
 	switch (ref->object->type) {
 	case OBJ_TAG:
 		ref->tag = cgit_parse_tag((struct tag *)ref->object);
@@ -172,11 +204,47 @@ struct refinfo *cgit_mk_refinfo(const char *refname, const unsigned char *sha1)
 	return ref;
 }
 
-int cgit_refs_cb(const char *refname, const unsigned char *sha1, int flags,
+static void cgit_free_taginfo(struct taginfo *tag)
+{
+	if (tag->tagger)
+		free(tag->tagger);
+	if (tag->tagger_email)
+		free(tag->tagger_email);
+	if (tag->msg)
+		free(tag->msg);
+	free(tag);
+}
+
+static void cgit_free_refinfo(struct refinfo *ref)
+{
+	if (ref->refname)
+		free((char *)ref->refname);
+	switch (ref->object->type) {
+	case OBJ_TAG:
+		cgit_free_taginfo(ref->tag);
+		break;
+	case OBJ_COMMIT:
+		cgit_free_commitinfo(ref->commit);
+		break;
+	}
+	free(ref);
+}
+
+void cgit_free_reflist_inner(struct reflist *list)
+{
+	int i;
+
+	for (i = 0; i < list->count; i++) {
+		cgit_free_refinfo(list->refs[i]);
+	}
+	free(list->refs);
+}
+
+int cgit_refs_cb(const char *refname, const struct object_id *oid, int flags,
 		  void *cb_data)
 {
 	struct reflist *list = (struct reflist *)cb_data;
-	struct refinfo *info = cgit_mk_refinfo(refname, sha1);
+	struct refinfo *info = cgit_mk_refinfo(refname, oid);
 
 	if (info)
 		cgit_add_ref(list, info);
@@ -203,7 +271,7 @@ static int load_mmfile(mmfile_t *file, const unsigned char *sha1)
 		file->ptr = (char *)"";
 		file->size = 0;
 	} else {
-		file->ptr = read_sha1_file(sha1, &type, 
+		file->ptr = read_sha1_file(sha1, &type,
 		                           (unsigned long *)&file->size);
 	}
 	return 1;
@@ -217,10 +285,10 @@ static int load_mmfile(mmfile_t *file, const unsigned char *sha1)
  * ripped from git and modified to use globals instead of
  * a special callback-struct.
  */
-char *diffbuf = NULL;
-int buflen = 0;
+static char *diffbuf = NULL;
+static int buflen = 0;
 
-int filediff_cb(void *priv, mmbuffer_t *mb, int nbuf)
+static int filediff_cb(void *priv, mmbuffer_t *mb, int nbuf)
 {
 	int i;
 
@@ -303,8 +371,9 @@ void cgit_diff_tree(const unsigned char *old_sha1,
 		    filepair_fn fn, const char *prefix, int ignorews)
 {
 	struct diff_options opt;
-	int prefixlen;
+	struct pathspec_item item;
 
+	memset(&item, 0, sizeof(item));
 	diff_setup(&opt);
 	opt.output_format = DIFF_FORMAT_CALLBACK;
 	opt.detect_rename = 1;
@@ -315,10 +384,10 @@ void cgit_diff_tree(const unsigned char *old_sha1,
 	opt.format_callback = cgit_diff_tree_cb;
 	opt.format_callback_data = fn;
 	if (prefix) {
-		opt.nr_paths = 1;
-		opt.paths = &prefix;
-		prefixlen = strlen(prefix);
-		opt.pathlens = &prefixlen;
+		item.match = prefix;
+		item.len = strlen(prefix);
+		opt.pathspec.nr = 1;
+		opt.pathspec.items = &item;
 	}
 	diff_setup_done(&opt);
 
@@ -335,71 +404,64 @@ void cgit_diff_commit(struct commit *commit, filepair_fn fn, const char *prefix)
 	unsigned char *old_sha1 = NULL;
 
 	if (commit->parents)
-		old_sha1 = commit->parents->item->object.sha1;
-	cgit_diff_tree(old_sha1, commit->object.sha1, fn, prefix,
+		old_sha1 = commit->parents->item->object.oid.hash;
+	cgit_diff_tree(old_sha1, commit->object.oid.hash, fn, prefix,
 		       ctx.qry.ignorews);
 }
 
 int cgit_parse_snapshots_mask(const char *str)
 {
+	struct string_list tokens = STRING_LIST_INIT_DUP;
+	struct string_list_item *item;
 	const struct cgit_snapshot_format *f;
-	static const char *delim = " \t,:/|;";
-	int tl, sl, rv = 0;
+	int rv = 0;
 
 	/* favor legacy setting */
-	if(atoi(str))
+	if (atoi(str))
 		return 1;
-	for(;;) {
-		str += strspn(str,delim);
-		tl = strcspn(str,delim);
-		if (!tl)
-			break;
+
+	string_list_split(&tokens, str, ' ', -1);
+	string_list_remove_empty_items(&tokens, 0);
+
+	for_each_string_list_item(item, &tokens) {
 		for (f = cgit_snapshot_formats; f->suffix; f++) {
-			sl = strlen(f->suffix);
-			if((tl == sl && !strncmp(f->suffix, str, tl)) ||
-			   (tl == sl-1 && !strncmp(f->suffix+1, str, tl-1))) {
+			if (!strcmp(item->string, f->suffix) ||
+			    !strcmp(item->string, f->suffix + 1)) {
 				rv |= f->bit;
 				break;
 			}
 		}
-		str += tl;
 	}
+
+	string_list_clear(&tokens, 0);
 	return rv;
 }
 
-int cgit_open_filter(struct cgit_filter *filter)
-{
-
-	filter->old_stdout = chk_positive(dup(STDOUT_FILENO),
-		"Unable to duplicate STDOUT");
-	chk_zero(pipe(filter->pipe_fh), "Unable to create pipe to subprocess");
-	filter->pid = chk_non_negative(fork(), "Unable to create subprocess");
-	if (filter->pid == 0) {
-		close(filter->pipe_fh[1]);
-		chk_non_negative(dup2(filter->pipe_fh[0], STDIN_FILENO),
-			"Unable to use pipe as STDIN");
-		execvp(filter->cmd, filter->argv);
-		die("Unable to exec subprocess %s: %s (%d)", filter->cmd,
-			strerror(errno), errno);
-	}
-	close(filter->pipe_fh[0]);
-	chk_non_negative(dup2(filter->pipe_fh[1], STDOUT_FILENO),
-		"Unable to use pipe as STDOUT");
-	close(filter->pipe_fh[1]);
-	return 0;
-}
+typedef struct {
+	char * name;
+	char * value;
+} cgit_env_var;
 
-int cgit_close_filter(struct cgit_filter *filter)
+void cgit_prepare_repo_env(struct cgit_repo * repo)
 {
-	chk_non_negative(dup2(filter->old_stdout, STDOUT_FILENO),
-		"Unable to restore STDOUT");
-	close(filter->old_stdout);
-	if (filter->pid < 0)
-		return 0;
-	waitpid(filter->pid, &filter->exitstatus, 0);
-	if (WIFEXITED(filter->exitstatus) && !WEXITSTATUS(filter->exitstatus))
-		return 0;
-	die("Subprocess %s exited abnormally", filter->cmd);
+	cgit_env_var env_vars[] = {
+		{ .name = "CGIT_REPO_URL", .value = repo->url },
+		{ .name = "CGIT_REPO_NAME", .value = repo->name },
+		{ .name = "CGIT_REPO_PATH", .value = repo->path },
+		{ .name = "CGIT_REPO_OWNER", .value = repo->owner },
+		{ .name = "CGIT_REPO_DEFBRANCH", .value = repo->defbranch },
+		{ .name = "CGIT_REPO_SECTION", .value = repo->section },
+		{ .name = "CGIT_REPO_CLONE_URL", .value = repo->clone_url }
+	};
+	int env_var_count = ARRAY_SIZE(env_vars);
+	cgit_env_var *p, *q;
+	static char *warn = "cgit warning: failed to set env: %s=%s\n";
+
+	p = env_vars;
+	q = p + env_var_count;
+	for (; p < q; p++)
+		if (p->value && setenv(p->name, p->value, 1))
+			fprintf(stderr, warn, p->name, p->value);
 }
 
 /* Read the content of the specified file into a newly allocated buffer,
@@ -430,14 +492,14 @@ int readfile(const char *path, char **buf, size_t *size)
 	return (*size == st.st_size ? 0 : e);
 }
 
-int is_token_char(char c)
+static int is_token_char(char c)
 {
 	return isalnum(c) || c == '_';
 }
 
 /* Replace name with getenv(name), return pointer to zero-terminating char
  */
-char *expand_macro(char *name, int maxlength)
+static char *expand_macro(char *name, int maxlength)
 {
 	char *value;
 	int len;
@@ -500,3 +562,42 @@ char *expand_macros(const char *txt)
 	}
 	return result;
 }
+
+char *get_mimetype_for_filename(const char *filename)
+{
+	char *ext, *mimetype, *token, line[1024], *saveptr;
+	FILE *file;
+	struct string_list_item *mime;
+
+	if (!filename)
+		return NULL;
+
+	ext = strrchr(filename, '.');
+	if (!ext)
+		return NULL;
+	++ext;
+	if (!ext[0])
+		return NULL;
+	mime = string_list_lookup(&ctx.cfg.mimetypes, ext);
+	if (mime)
+		return xstrdup(mime->util);
+
+	if (!ctx.cfg.mimetype_file)
+		return NULL;
+	file = fopen(ctx.cfg.mimetype_file, "r");
+	if (!file)
+		return NULL;
+	while (fgets(line, sizeof(line), file)) {
+		if (!line[0] || line[0] == '#')
+			continue;
+		mimetype = strtok_r(line, " \t\r\n", &saveptr);
+		while ((token = strtok_r(NULL, " \t\r\n", &saveptr))) {
+			if (!strcasecmp(ext, token)) {
+				fclose(file);
+				return xstrdup(mimetype);
+			}
+		}
+	}
+	fclose(file);
+	return NULL;
+}