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-rw-r--r--www/git.causal.agency/cgit/filter.c222
1 files changed, 0 insertions, 222 deletions
diff --git a/www/git.causal.agency/cgit/filter.c b/www/git.causal.agency/cgit/filter.c
deleted file mode 100644
index 2b6c838e..00000000
--- a/www/git.causal.agency/cgit/filter.c
+++ /dev/null
@@ -1,222 +0,0 @@
-/* filter.c: filter framework functions
- *
- * Copyright (C) 2006-2014 cgit Development Team <cgit@lists.zx2c4.com>
- *
- * Licensed under GNU General Public License v2
- *   (see COPYING for full license text)
- */
-
-#include "cgit.h"
-#include "html.h"
-
-static inline void reap_filter(struct cgit_filter *filter)
-{
-	if (filter && filter->cleanup)
-		filter->cleanup(filter);
-}
-
-void cgit_cleanup_filters(void)
-{
-	int i;
-	reap_filter(ctx.cfg.about_filter);
-	reap_filter(ctx.cfg.commit_filter);
-	reap_filter(ctx.cfg.source_filter);
-	reap_filter(ctx.cfg.email_filter);
-	reap_filter(ctx.cfg.owner_filter);
-	reap_filter(ctx.cfg.auth_filter);
-	for (i = 0; i < cgit_repolist.count; ++i) {
-		reap_filter(cgit_repolist.repos[i].about_filter);
-		reap_filter(cgit_repolist.repos[i].commit_filter);
-		reap_filter(cgit_repolist.repos[i].source_filter);
-		reap_filter(cgit_repolist.repos[i].email_filter);
-		reap_filter(cgit_repolist.repos[i].owner_filter);
-	}
-}
-
-static int open_exec_filter(struct cgit_filter *base, va_list ap)
-{
-	struct cgit_exec_filter *filter = (struct cgit_exec_filter *)base;
-	int pipe_fh[2];
-	int i;
-
-	for (i = 0; i < filter->base.argument_count; i++)
-		filter->argv[i + 1] = va_arg(ap, char *);
-
-	chk_zero(fflush(stdout), "unable to flush STDOUT");
-	filter->old_stdout = chk_positive(dup(STDOUT_FILENO),
-		"Unable to duplicate STDOUT");
-	chk_zero(pipe(pipe_fh), "Unable to create pipe to subprocess");
-	filter->pid = chk_non_negative(fork(), "Unable to create subprocess");
-	if (filter->pid == 0) {
-		close(pipe_fh[1]);
-		chk_non_negative(dup2(pipe_fh[0], STDIN_FILENO),
-			"Unable to use pipe as STDIN");
-		execvp(filter->cmd, filter->argv);
-		die_errno("Unable to exec subprocess %s", filter->cmd);
-	}
-	close(pipe_fh[0]);
-	chk_non_negative(dup2(pipe_fh[1], STDOUT_FILENO),
-		"Unable to use pipe as STDOUT");
-	close(pipe_fh[1]);
-	return 0;
-}
-
-static int close_exec_filter(struct cgit_filter *base)
-{
-	struct cgit_exec_filter *filter = (struct cgit_exec_filter *)base;
-	int i, exit_status = 0;
-
-	chk_zero(fflush(stdout), "unable to flush STDOUT");
-	chk_non_negative(dup2(filter->old_stdout, STDOUT_FILENO),
-		"Unable to restore STDOUT");
-	close(filter->old_stdout);
-	if (filter->pid < 0)
-		goto done;
-	waitpid(filter->pid, &exit_status, 0);
-	if (WIFEXITED(exit_status))
-		goto done;
-	die("Subprocess %s exited abnormally", filter->cmd);
-
-done:
-	for (i = 0; i < filter->base.argument_count; i++)
-		filter->argv[i + 1] = NULL;
-	return WEXITSTATUS(exit_status);
-
-}
-
-static void fprintf_exec_filter(struct cgit_filter *base, FILE *f, const char *prefix)
-{
-	struct cgit_exec_filter *filter = (struct cgit_exec_filter *)base;
-	fprintf(f, "%sexec:%s\n", prefix, filter->cmd);
-}
-
-static void cleanup_exec_filter(struct cgit_filter *base)
-{
-	struct cgit_exec_filter *filter = (struct cgit_exec_filter *)base;
-	if (filter->argv) {
-		free(filter->argv);
-		filter->argv = NULL;
-	}
-	if (filter->cmd) {
-		free(filter->cmd);
-		filter->cmd = NULL;
-	}
-}
-
-static struct cgit_filter *new_exec_filter(const char *cmd, int argument_count)
-{
-	struct cgit_exec_filter *f;
-	int args_size = 0;
-
-	f = xmalloc(sizeof(*f));
-	/* We leave argv for now and assign it below. */
-	cgit_exec_filter_init(f, xstrdup(cmd), NULL);
-	f->base.argument_count = argument_count;
-	args_size = (2 + argument_count) * sizeof(char *);
-	f->argv = xmalloc(args_size);
-	memset(f->argv, 0, args_size);
-	f->argv[0] = f->cmd;
-	return &f->base;
-}
-
-void cgit_exec_filter_init(struct cgit_exec_filter *filter, char *cmd, char **argv)
-{
-	memset(filter, 0, sizeof(*filter));
-	filter->base.open = open_exec_filter;
-	filter->base.close = close_exec_filter;
-	filter->base.fprintf = fprintf_exec_filter;
-	filter->base.cleanup = cleanup_exec_filter;
-	filter->cmd = cmd;
-	filter->argv = argv;
-	/* The argument count for open_filter is zero by default, unless called from new_filter, above. */
-	filter->base.argument_count = 0;
-}
-
-int cgit_open_filter(struct cgit_filter *filter, ...)
-{
-	int result;
-	va_list ap;
-	if (!filter)
-		return 0;
-	va_start(ap, filter);
-	result = filter->open(filter, ap);
-	va_end(ap);
-	return result;
-}
-
-int cgit_close_filter(struct cgit_filter *filter)
-{
-	if (!filter)
-		return 0;
-	return filter->close(filter);
-}
-
-void cgit_fprintf_filter(struct cgit_filter *filter, FILE *f, const char *prefix)
-{
-	filter->fprintf(filter, f, prefix);
-}
-
-
-
-static const struct {
-	const char *prefix;
-	struct cgit_filter *(*ctor)(const char *cmd, int argument_count);
-} filter_specs[] = {
-	{ "exec", new_exec_filter },
-};
-
-struct cgit_filter *cgit_new_filter(const char *cmd, filter_type filtertype)
-{
-	char *colon;
-	int i;
-	size_t len;
-	int argument_count;
-
-	if (!cmd || !cmd[0])
-		return NULL;
-
-	colon = strchr(cmd, ':');
-	len = colon - cmd;
-	/*
-	 * In case we're running on Windows, don't allow a single letter before
-	 * the colon.
-	 */
-	if (len == 1)
-		colon = NULL;
-
-	switch (filtertype) {
-		case AUTH:
-			argument_count = 12;
-			break;
-
-		case EMAIL:
-			argument_count = 2;
-			break;
-
-		case OWNER:
-			argument_count = 0;
-			break;
-
-		case SOURCE:
-		case ABOUT:
-			argument_count = 1;
-			break;
-
-		case COMMIT:
-		default:
-			argument_count = 0;
-			break;
-	}
-
-	/* If no prefix is given, exec filter is the default. */
-	if (!colon)
-		return new_exec_filter(cmd, argument_count);
-
-	for (i = 0; i < ARRAY_SIZE(filter_specs); i++) {
-		if (len == strlen(filter_specs[i].prefix) &&
-		    !strncmp(filter_specs[i].prefix, cmd, len))
-			return filter_specs[i].ctor(colon + 1, argument_count);
-	}
-
-	die("Invalid filter type: %.*s", (int) len, cmd);
-}