mirror of
https://git.zx2c4.com/cgit
synced 2024-11-08 09:38:41 +00:00
b0f946bcc7
This makes the name of the cgitrc option more descriptive and at the same time changes the default from "0" to "1" in an attempt to stay backwards compatible - prior to the introduction of "source-filter" and "linenumbers", cgit always generated linenumber links in the tree view, but now this feature can be turned off (one might want to do this if the source-filter performs line-wrapping etc). While at it, the documentation is updated to match the surrounding descriptions. Signed-off-by: Lars Hjemli <hjemli@gmail.com>
562 lines
16 KiB
C
562 lines
16 KiB
C
/* cgit.c: cgi for the git scm
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*
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* Copyright (C) 2006 Lars Hjemli
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*
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* Licensed under GNU General Public License v2
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* (see COPYING for full license text)
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*/
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#include "cgit.h"
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#include "cache.h"
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#include "cmd.h"
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#include "configfile.h"
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#include "html.h"
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#include "ui-shared.h"
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#include "ui-stats.h"
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#include "scan-tree.h"
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const char *cgit_version = CGIT_VERSION;
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void add_mimetype(const char *name, const char *value)
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{
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struct string_list_item *item;
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item = string_list_insert(xstrdup(name), &ctx.cfg.mimetypes);
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item->util = xstrdup(value);
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}
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struct cgit_filter *new_filter(const char *cmd, int extra_args)
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{
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struct cgit_filter *f;
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if (!cmd || !cmd[0])
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return NULL;
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f = xmalloc(sizeof(struct cgit_filter));
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f->cmd = xstrdup(cmd);
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f->argv = xmalloc((2 + extra_args) * sizeof(char *));
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f->argv[0] = f->cmd;
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f->argv[1] = NULL;
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return f;
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}
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void config_cb(const char *name, const char *value)
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{
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if (!strcmp(name, "root-title"))
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ctx.cfg.root_title = xstrdup(value);
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else if (!strcmp(name, "root-desc"))
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ctx.cfg.root_desc = xstrdup(value);
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else if (!strcmp(name, "root-readme"))
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ctx.cfg.root_readme = xstrdup(value);
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else if (!strcmp(name, "css"))
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ctx.cfg.css = xstrdup(value);
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else if (!strcmp(name, "favicon"))
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ctx.cfg.favicon = xstrdup(value);
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else if (!strcmp(name, "footer"))
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ctx.cfg.footer = xstrdup(value);
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else if (!strcmp(name, "head-include"))
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ctx.cfg.head_include = xstrdup(value);
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else if (!strcmp(name, "header"))
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ctx.cfg.header = xstrdup(value);
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else if (!strcmp(name, "logo"))
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ctx.cfg.logo = xstrdup(value);
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else if (!strcmp(name, "index-header"))
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ctx.cfg.index_header = xstrdup(value);
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else if (!strcmp(name, "index-info"))
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ctx.cfg.index_info = xstrdup(value);
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else if (!strcmp(name, "logo-link"))
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ctx.cfg.logo_link = xstrdup(value);
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else if (!strcmp(name, "module-link"))
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ctx.cfg.module_link = xstrdup(value);
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else if (!strcmp(name, "virtual-root")) {
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ctx.cfg.virtual_root = trim_end(value, '/');
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if (!ctx.cfg.virtual_root && (!strcmp(value, "/")))
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ctx.cfg.virtual_root = "";
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} else if (!strcmp(name, "nocache"))
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ctx.cfg.nocache = atoi(value);
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else if (!strcmp(name, "noplainemail"))
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ctx.cfg.noplainemail = atoi(value);
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else if (!strcmp(name, "noheader"))
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ctx.cfg.noheader = atoi(value);
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else if (!strcmp(name, "snapshots"))
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ctx.cfg.snapshots = cgit_parse_snapshots_mask(value);
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else if (!strcmp(name, "enable-index-links"))
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ctx.cfg.enable_index_links = atoi(value);
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else if (!strcmp(name, "enable-log-filecount"))
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ctx.cfg.enable_log_filecount = atoi(value);
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else if (!strcmp(name, "enable-log-linecount"))
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ctx.cfg.enable_log_linecount = atoi(value);
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else if (!strcmp(name, "enable-tree-linenumbers"))
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ctx.cfg.enable_tree_linenumbers = atoi(value);
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else if (!strcmp(name, "max-stats"))
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ctx.cfg.max_stats = cgit_find_stats_period(value, NULL);
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else if (!strcmp(name, "cache-size"))
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ctx.cfg.cache_size = atoi(value);
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else if (!strcmp(name, "cache-root"))
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ctx.cfg.cache_root = xstrdup(value);
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else if (!strcmp(name, "cache-root-ttl"))
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ctx.cfg.cache_root_ttl = atoi(value);
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else if (!strcmp(name, "cache-repo-ttl"))
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ctx.cfg.cache_repo_ttl = atoi(value);
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else if (!strcmp(name, "cache-static-ttl"))
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ctx.cfg.cache_static_ttl = atoi(value);
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else if (!strcmp(name, "cache-dynamic-ttl"))
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ctx.cfg.cache_dynamic_ttl = atoi(value);
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else if (!strcmp(name, "about-filter"))
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ctx.cfg.about_filter = new_filter(value, 0);
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else if (!strcmp(name, "commit-filter"))
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ctx.cfg.commit_filter = new_filter(value, 0);
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else if (!strcmp(name, "embedded"))
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ctx.cfg.embedded = atoi(value);
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else if (!strcmp(name, "max-message-length"))
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ctx.cfg.max_msg_len = atoi(value);
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else if (!strcmp(name, "max-repodesc-length"))
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ctx.cfg.max_repodesc_len = atoi(value);
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else if (!strcmp(name, "max-repo-count"))
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ctx.cfg.max_repo_count = atoi(value);
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else if (!strcmp(name, "max-commit-count"))
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ctx.cfg.max_commit_count = atoi(value);
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else if (!strcmp(name, "source-filter"))
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ctx.cfg.source_filter = new_filter(value, 1);
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else if (!strcmp(name, "summary-log"))
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ctx.cfg.summary_log = atoi(value);
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else if (!strcmp(name, "summary-branches"))
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ctx.cfg.summary_branches = atoi(value);
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else if (!strcmp(name, "summary-tags"))
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ctx.cfg.summary_tags = atoi(value);
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else if (!strcmp(name, "agefile"))
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ctx.cfg.agefile = xstrdup(value);
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else if (!strcmp(name, "renamelimit"))
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ctx.cfg.renamelimit = atoi(value);
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else if (!strcmp(name, "robots"))
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ctx.cfg.robots = xstrdup(value);
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else if (!strcmp(name, "clone-prefix"))
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ctx.cfg.clone_prefix = xstrdup(value);
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else if (!strcmp(name, "local-time"))
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ctx.cfg.local_time = atoi(value);
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else if (!prefixcmp(name, "mimetype."))
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add_mimetype(name + 9, value);
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else if (!strcmp(name, "repo.group"))
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ctx.cfg.repo_group = xstrdup(value);
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else if (!strcmp(name, "repo.url"))
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ctx.repo = cgit_add_repo(value);
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else if (!strcmp(name, "repo.name"))
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ctx.repo->name = xstrdup(value);
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else if (ctx.repo && !strcmp(name, "repo.path"))
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ctx.repo->path = trim_end(value, '/');
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else if (ctx.repo && !strcmp(name, "repo.clone-url"))
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ctx.repo->clone_url = xstrdup(value);
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else if (ctx.repo && !strcmp(name, "repo.desc"))
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ctx.repo->desc = xstrdup(value);
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else if (ctx.repo && !strcmp(name, "repo.owner"))
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ctx.repo->owner = xstrdup(value);
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else if (ctx.repo && !strcmp(name, "repo.defbranch"))
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ctx.repo->defbranch = xstrdup(value);
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else if (ctx.repo && !strcmp(name, "repo.snapshots"))
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ctx.repo->snapshots = ctx.cfg.snapshots & cgit_parse_snapshots_mask(value); /* XXX: &? */
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else if (ctx.repo && !strcmp(name, "repo.enable-log-filecount"))
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ctx.repo->enable_log_filecount = ctx.cfg.enable_log_filecount * atoi(value);
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else if (ctx.repo && !strcmp(name, "repo.enable-log-linecount"))
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ctx.repo->enable_log_linecount = ctx.cfg.enable_log_linecount * atoi(value);
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else if (ctx.repo && !strcmp(name, "repo.max-stats"))
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ctx.repo->max_stats = cgit_find_stats_period(value, NULL);
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else if (ctx.repo && !strcmp(name, "repo.module-link"))
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ctx.repo->module_link= xstrdup(value);
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else if (ctx.repo && !strcmp(name, "repo.about-filter"))
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ctx.repo->about_filter = new_filter(value, 0);
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else if (ctx.repo && !strcmp(name, "repo.commit-filter"))
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ctx.repo->commit_filter = new_filter(value, 0);
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else if (ctx.repo && !strcmp(name, "repo.source-filter"))
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ctx.repo->source_filter = new_filter(value, 1);
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else if (ctx.repo && !strcmp(name, "repo.readme") && value != NULL) {
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if (*value == '/')
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ctx.repo->readme = xstrdup(value);
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else
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ctx.repo->readme = xstrdup(fmt("%s/%s", ctx.repo->path, value));
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} else if (!strcmp(name, "include"))
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parse_configfile(value, config_cb);
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}
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static void querystring_cb(const char *name, const char *value)
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{
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if (!value)
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value = "";
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if (!strcmp(name,"r")) {
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ctx.qry.repo = xstrdup(value);
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ctx.repo = cgit_get_repoinfo(value);
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} else if (!strcmp(name, "p")) {
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ctx.qry.page = xstrdup(value);
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} else if (!strcmp(name, "url")) {
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ctx.qry.url = xstrdup(value);
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cgit_parse_url(value);
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} else if (!strcmp(name, "qt")) {
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ctx.qry.grep = xstrdup(value);
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} else if (!strcmp(name, "q")) {
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ctx.qry.search = xstrdup(value);
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} else if (!strcmp(name, "h")) {
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ctx.qry.head = xstrdup(value);
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ctx.qry.has_symref = 1;
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} else if (!strcmp(name, "id")) {
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ctx.qry.sha1 = xstrdup(value);
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ctx.qry.has_sha1 = 1;
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} else if (!strcmp(name, "id2")) {
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ctx.qry.sha2 = xstrdup(value);
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ctx.qry.has_sha1 = 1;
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} else if (!strcmp(name, "ofs")) {
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ctx.qry.ofs = atoi(value);
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} else if (!strcmp(name, "path")) {
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ctx.qry.path = trim_end(value, '/');
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} else if (!strcmp(name, "name")) {
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ctx.qry.name = xstrdup(value);
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} else if (!strcmp(name, "mimetype")) {
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ctx.qry.mimetype = xstrdup(value);
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} else if (!strcmp(name, "s")){
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ctx.qry.sort = xstrdup(value);
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} else if (!strcmp(name, "showmsg")) {
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ctx.qry.showmsg = atoi(value);
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} else if (!strcmp(name, "period")) {
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ctx.qry.period = xstrdup(value);
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}
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}
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char *xstrdupn(const char *str)
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{
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return (str ? xstrdup(str) : NULL);
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}
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static void prepare_context(struct cgit_context *ctx)
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{
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memset(ctx, 0, sizeof(ctx));
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ctx->cfg.agefile = "info/web/last-modified";
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ctx->cfg.nocache = 0;
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ctx->cfg.cache_size = 0;
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ctx->cfg.cache_dynamic_ttl = 5;
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ctx->cfg.cache_max_create_time = 5;
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ctx->cfg.cache_repo_ttl = 5;
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ctx->cfg.cache_root = CGIT_CACHE_ROOT;
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ctx->cfg.cache_root_ttl = 5;
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ctx->cfg.cache_static_ttl = -1;
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ctx->cfg.css = "/cgit.css";
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ctx->cfg.logo = "/cgit.png";
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ctx->cfg.local_time = 0;
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ctx->cfg.enable_tree_linenumbers = 1;
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ctx->cfg.max_repo_count = 50;
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ctx->cfg.max_commit_count = 50;
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ctx->cfg.max_lock_attempts = 5;
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ctx->cfg.max_msg_len = 80;
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ctx->cfg.max_repodesc_len = 80;
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ctx->cfg.max_stats = 0;
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ctx->cfg.module_link = "./?repo=%s&page=commit&id=%s";
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ctx->cfg.renamelimit = -1;
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ctx->cfg.robots = "index, nofollow";
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ctx->cfg.root_title = "Git repository browser";
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ctx->cfg.root_desc = "a fast webinterface for the git dscm";
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ctx->cfg.script_name = CGIT_SCRIPT_NAME;
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ctx->cfg.summary_branches = 10;
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ctx->cfg.summary_log = 10;
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ctx->cfg.summary_tags = 10;
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ctx->env.cgit_config = xstrdupn(getenv("CGIT_CONFIG"));
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ctx->env.http_host = xstrdupn(getenv("HTTP_HOST"));
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ctx->env.https = xstrdupn(getenv("HTTPS"));
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ctx->env.no_http = xstrdupn(getenv("NO_HTTP"));
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ctx->env.path_info = xstrdupn(getenv("PATH_INFO"));
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ctx->env.query_string = xstrdupn(getenv("QUERY_STRING"));
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ctx->env.request_method = xstrdupn(getenv("REQUEST_METHOD"));
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ctx->env.script_name = xstrdupn(getenv("SCRIPT_NAME"));
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ctx->env.server_name = xstrdupn(getenv("SERVER_NAME"));
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ctx->env.server_port = xstrdupn(getenv("SERVER_PORT"));
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ctx->page.mimetype = "text/html";
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ctx->page.charset = PAGE_ENCODING;
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ctx->page.filename = NULL;
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ctx->page.size = 0;
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ctx->page.modified = time(NULL);
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ctx->page.expires = ctx->page.modified;
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ctx->page.etag = NULL;
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memset(&ctx->cfg.mimetypes, 0, sizeof(struct string_list));
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if (ctx->env.script_name)
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ctx->cfg.script_name = ctx->env.script_name;
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if (ctx->env.query_string)
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ctx->qry.raw = ctx->env.query_string;
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if (!ctx->env.cgit_config)
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ctx->env.cgit_config = CGIT_CONFIG;
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}
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struct refmatch {
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char *req_ref;
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char *first_ref;
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int match;
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};
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int find_current_ref(const char *refname, const unsigned char *sha1,
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int flags, void *cb_data)
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{
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struct refmatch *info;
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info = (struct refmatch *)cb_data;
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if (!strcmp(refname, info->req_ref))
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info->match = 1;
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if (!info->first_ref)
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info->first_ref = xstrdup(refname);
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return info->match;
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}
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char *find_default_branch(struct cgit_repo *repo)
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{
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struct refmatch info;
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char *ref;
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info.req_ref = repo->defbranch;
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info.first_ref = NULL;
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info.match = 0;
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for_each_branch_ref(find_current_ref, &info);
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if (info.match)
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ref = info.req_ref;
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else
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ref = info.first_ref;
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if (ref)
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ref = xstrdup(ref);
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return ref;
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}
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static int prepare_repo_cmd(struct cgit_context *ctx)
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{
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char *tmp;
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unsigned char sha1[20];
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int nongit = 0;
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setenv("GIT_DIR", ctx->repo->path, 1);
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setup_git_directory_gently(&nongit);
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if (nongit) {
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ctx->page.title = fmt("%s - %s", ctx->cfg.root_title,
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"config error");
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tmp = fmt("Not a git repository: '%s'", ctx->repo->path);
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ctx->repo = NULL;
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cgit_print_http_headers(ctx);
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cgit_print_docstart(ctx);
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cgit_print_pageheader(ctx);
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cgit_print_error(tmp);
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cgit_print_docend();
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return 1;
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}
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ctx->page.title = fmt("%s - %s", ctx->repo->name, ctx->repo->desc);
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if (!ctx->qry.head) {
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ctx->qry.nohead = 1;
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ctx->qry.head = find_default_branch(ctx->repo);
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ctx->repo->defbranch = ctx->qry.head;
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}
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if (!ctx->qry.head) {
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cgit_print_http_headers(ctx);
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cgit_print_docstart(ctx);
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cgit_print_pageheader(ctx);
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cgit_print_error("Repository seems to be empty");
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cgit_print_docend();
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return 1;
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}
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if (get_sha1(ctx->qry.head, sha1)) {
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tmp = xstrdup(ctx->qry.head);
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ctx->qry.head = ctx->repo->defbranch;
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ctx->page.status = 404;
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ctx->page.statusmsg = "not found";
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cgit_print_http_headers(ctx);
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cgit_print_docstart(ctx);
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cgit_print_pageheader(ctx);
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cgit_print_error(fmt("Invalid branch: %s", tmp));
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cgit_print_docend();
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return 1;
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}
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return 0;
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}
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static void process_request(void *cbdata)
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{
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struct cgit_context *ctx = cbdata;
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struct cgit_cmd *cmd;
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cmd = cgit_get_cmd(ctx);
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if (!cmd) {
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ctx->page.title = "cgit error";
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cgit_print_http_headers(ctx);
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cgit_print_docstart(ctx);
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cgit_print_pageheader(ctx);
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cgit_print_error("Invalid request");
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cgit_print_docend();
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return;
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}
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if (cmd->want_repo && !ctx->repo) {
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cgit_print_http_headers(ctx);
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cgit_print_docstart(ctx);
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cgit_print_pageheader(ctx);
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cgit_print_error(fmt("No repository selected"));
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cgit_print_docend();
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return;
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}
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if (ctx->repo && prepare_repo_cmd(ctx))
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return;
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if (cmd->want_layout) {
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cgit_print_http_headers(ctx);
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cgit_print_docstart(ctx);
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cgit_print_pageheader(ctx);
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}
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cmd->fn(ctx);
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if (cmd->want_layout)
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cgit_print_docend();
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}
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int cmp_repos(const void *a, const void *b)
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{
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const struct cgit_repo *ra = a, *rb = b;
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return strcmp(ra->url, rb->url);
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}
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void print_repo(struct cgit_repo *repo)
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{
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printf("repo.url=%s\n", repo->url);
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printf("repo.name=%s\n", repo->name);
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printf("repo.path=%s\n", repo->path);
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if (repo->owner)
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printf("repo.owner=%s\n", repo->owner);
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if (repo->desc)
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printf("repo.desc=%s\n", repo->desc);
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if (repo->readme)
|
|
printf("repo.readme=%s\n", repo->readme);
|
|
printf("\n");
|
|
}
|
|
|
|
void print_repolist(struct cgit_repolist *list)
|
|
{
|
|
int i;
|
|
|
|
for(i = 0; i < list->count; i++)
|
|
print_repo(&list->repos[i]);
|
|
}
|
|
|
|
|
|
static void cgit_parse_args(int argc, const char **argv)
|
|
{
|
|
int i;
|
|
int scan = 0;
|
|
|
|
for (i = 1; i < argc; i++) {
|
|
if (!strncmp(argv[i], "--cache=", 8)) {
|
|
ctx.cfg.cache_root = xstrdup(argv[i]+8);
|
|
}
|
|
if (!strcmp(argv[i], "--nocache")) {
|
|
ctx.cfg.nocache = 1;
|
|
}
|
|
if (!strcmp(argv[i], "--nohttp")) {
|
|
ctx.env.no_http = "1";
|
|
}
|
|
if (!strncmp(argv[i], "--query=", 8)) {
|
|
ctx.qry.raw = xstrdup(argv[i]+8);
|
|
}
|
|
if (!strncmp(argv[i], "--repo=", 7)) {
|
|
ctx.qry.repo = xstrdup(argv[i]+7);
|
|
}
|
|
if (!strncmp(argv[i], "--page=", 7)) {
|
|
ctx.qry.page = xstrdup(argv[i]+7);
|
|
}
|
|
if (!strncmp(argv[i], "--head=", 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.has_sha1 = 1;
|
|
}
|
|
if (!strncmp(argv[i], "--ofs=", 6)) {
|
|
ctx.qry.ofs = atoi(argv[i]+6);
|
|
}
|
|
if (!strncmp(argv[i], "--scan-tree=", 12)) {
|
|
scan++;
|
|
scan_tree(argv[i] + 12);
|
|
}
|
|
}
|
|
if (scan) {
|
|
qsort(cgit_repolist.repos, cgit_repolist.count,
|
|
sizeof(struct cgit_repo), cmp_repos);
|
|
print_repolist(&cgit_repolist);
|
|
exit(0);
|
|
}
|
|
}
|
|
|
|
static int calc_ttl()
|
|
{
|
|
if (!ctx.repo)
|
|
return ctx.cfg.cache_root_ttl;
|
|
|
|
if (!ctx.qry.page)
|
|
return ctx.cfg.cache_repo_ttl;
|
|
|
|
if (ctx.qry.has_symref)
|
|
return ctx.cfg.cache_dynamic_ttl;
|
|
|
|
if (ctx.qry.has_sha1)
|
|
return ctx.cfg.cache_static_ttl;
|
|
|
|
return ctx.cfg.cache_repo_ttl;
|
|
}
|
|
|
|
int main(int argc, const char **argv)
|
|
{
|
|
const char *path;
|
|
char *qry;
|
|
int err, ttl;
|
|
|
|
prepare_context(&ctx);
|
|
cgit_repolist.length = 0;
|
|
cgit_repolist.count = 0;
|
|
cgit_repolist.repos = NULL;
|
|
|
|
cgit_parse_args(argc, argv);
|
|
parse_configfile(ctx.env.cgit_config, config_cb);
|
|
ctx.repo = NULL;
|
|
http_parse_querystring(ctx.qry.raw, querystring_cb);
|
|
|
|
/* If virtual-root isn't specified in cgitrc, lets pretend
|
|
* that virtual-root equals SCRIPT_NAME.
|
|
*/
|
|
if (!ctx.cfg.virtual_root)
|
|
ctx.cfg.virtual_root = ctx.cfg.script_name;
|
|
|
|
/* If no url parameter is specified on the querystring, lets
|
|
* use PATH_INFO as url. This allows cgit to work with virtual
|
|
* urls without the need for rewriterules in the webserver (as
|
|
* long as PATH_INFO is included in the cache lookup key).
|
|
*/
|
|
path = ctx.env.path_info;
|
|
if (!ctx.qry.url && path) {
|
|
if (path[0] == '/')
|
|
path++;
|
|
ctx.qry.url = xstrdup(path);
|
|
if (ctx.qry.raw) {
|
|
qry = ctx.qry.raw;
|
|
ctx.qry.raw = xstrdup(fmt("%s?%s", path, qry));
|
|
free(qry);
|
|
} else
|
|
ctx.qry.raw = xstrdup(ctx.qry.url);
|
|
cgit_parse_url(ctx.qry.url);
|
|
}
|
|
|
|
ttl = calc_ttl();
|
|
ctx.page.expires += ttl*60;
|
|
if (ctx.env.request_method && !strcmp(ctx.env.request_method, "HEAD"))
|
|
ctx.cfg.nocache = 1;
|
|
if (ctx.cfg.nocache)
|
|
ctx.cfg.cache_size = 0;
|
|
err = cache_process(ctx.cfg.cache_size, ctx.cfg.cache_root,
|
|
ctx.qry.raw, ttl, process_request, &ctx);
|
|
if (err)
|
|
cgit_print_error(fmt("Error processing page: %s (%d)",
|
|
strerror(err), err));
|
|
return err;
|
|
}
|