| -rw-r--r-- | cgit.c | 37 |
1 files changed, 27 insertions, 10 deletions
@@ -1,538 +1,555 @@ /* cgit.c: cgi for the git scm * * Copyright (C) 2006 Lars Hjemli * * Licensed under GNU General Public License v2 * (see COPYING for full license text) */ #include "cgit.h" #include "cache.h" #include "cmd.h" #include "configfile.h" #include "html.h" #include "ui-shared.h" #include "ui-stats.h" #include "scan-tree.h" const char *cgit_version = CGIT_VERSION; void add_mimetype(const char *name, const char *value) { struct string_list_item *item; item = string_list_insert(xstrdup(name), &ctx.cfg.mimetypes); item->util = xstrdup(value); } struct cgit_filter *new_filter(const char *cmd, int extra_args) { struct cgit_filter *f; if (!cmd || !cmd[0]) return NULL; f = xmalloc(sizeof(struct cgit_filter)); f->cmd = xstrdup(cmd); f->argv = xmalloc((2 + extra_args) * sizeof(char *)); f->argv[0] = f->cmd; f->argv[1] = NULL; return f; } void config_cb(const char *name, const char *value) { if (!strcmp(name, "root-title")) ctx.cfg.root_title = xstrdup(value); else if (!strcmp(name, "root-desc")) ctx.cfg.root_desc = xstrdup(value); else if (!strcmp(name, "root-readme")) ctx.cfg.root_readme = xstrdup(value); else if (!strcmp(name, "css")) ctx.cfg.css = xstrdup(value); else if (!strcmp(name, "favicon")) ctx.cfg.favicon = xstrdup(value); else if (!strcmp(name, "footer")) ctx.cfg.footer = xstrdup(value); else if (!strcmp(name, "head-include")) ctx.cfg.head_include = xstrdup(value); else if (!strcmp(name, "header")) ctx.cfg.header = xstrdup(value); else if (!strcmp(name, "logo")) ctx.cfg.logo = xstrdup(value); else if (!strcmp(name, "index-header")) ctx.cfg.index_header = xstrdup(value); else if (!strcmp(name, "index-info")) ctx.cfg.index_info = xstrdup(value); else if (!strcmp(name, "logo-link")) ctx.cfg.logo_link = xstrdup(value); else if (!strcmp(name, "module-link")) ctx.cfg.module_link = xstrdup(value); else if (!strcmp(name, "virtual-root")) { ctx.cfg.virtual_root = trim_end(value, '/'); if (!ctx.cfg.virtual_root && (!strcmp(value, "/"))) ctx.cfg.virtual_root = ""; } else if (!strcmp(name, "nocache")) ctx.cfg.nocache = atoi(value); else if (!strcmp(name, "noplainemail")) ctx.cfg.noplainemail = atoi(value); else if (!strcmp(name, "noheader")) ctx.cfg.noheader = atoi(value); else if (!strcmp(name, "snapshots")) ctx.cfg.snapshots = cgit_parse_snapshots_mask(value); else if (!strcmp(name, "enable-index-links")) ctx.cfg.enable_index_links = atoi(value); else if (!strcmp(name, "enable-log-filecount")) ctx.cfg.enable_log_filecount = atoi(value); else if (!strcmp(name, "enable-log-linecount")) ctx.cfg.enable_log_linecount = atoi(value); else if (!strcmp(name, "max-stats")) ctx.cfg.max_stats = cgit_find_stats_period(value, NULL); else if (!strcmp(name, "cache-size")) ctx.cfg.cache_size = atoi(value); else if (!strcmp(name, "cache-root")) ctx.cfg.cache_root = xstrdup(value); else if (!strcmp(name, "cache-root-ttl")) ctx.cfg.cache_root_ttl = atoi(value); else if (!strcmp(name, "cache-repo-ttl")) ctx.cfg.cache_repo_ttl = atoi(value); else if (!strcmp(name, "cache-static-ttl")) 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, "about-filter")) ctx.cfg.about_filter = new_filter(value, 0); else if (!strcmp(name, "commit-filter")) ctx.cfg.commit_filter = new_filter(value, 0); else if (!strcmp(name, "embedded")) ctx.cfg.embedded = atoi(value); else if (!strcmp(name, "max-message-length")) ctx.cfg.max_msg_len = atoi(value); else if (!strcmp(name, "max-repodesc-length")) ctx.cfg.max_repodesc_len = atoi(value); else if (!strcmp(name, "max-repo-count")) ctx.cfg.max_repo_count = atoi(value); else if (!strcmp(name, "max-commit-count")) ctx.cfg.max_commit_count = atoi(value); else if (!strcmp(name, "source-filter")) ctx.cfg.source_filter = new_filter(value, 1); else if (!strcmp(name, "summary-log")) ctx.cfg.summary_log = atoi(value); else if (!strcmp(name, "summary-branches")) ctx.cfg.summary_branches = atoi(value); else if (!strcmp(name, "summary-tags")) ctx.cfg.summary_tags = atoi(value); else if (!strcmp(name, "agefile")) ctx.cfg.agefile = xstrdup(value); else if (!strcmp(name, "renamelimit")) ctx.cfg.renamelimit = atoi(value); else if (!strcmp(name, "robots")) ctx.cfg.robots = xstrdup(value); else if (!strcmp(name, "clone-prefix")) ctx.cfg.clone_prefix = xstrdup(value); else if (!strcmp(name, "local-time")) ctx.cfg.local_time = atoi(value); else if (!prefixcmp(name, "mimetype.")) add_mimetype(name + 9, value); else if (!strcmp(name, "repo.group")) ctx.cfg.repo_group = xstrdup(value); else if (!strcmp(name, "repo.url")) ctx.repo = cgit_add_repo(value); else if (!strcmp(name, "repo.name")) ctx.repo->name = xstrdup(value); else if (ctx.repo && !strcmp(name, "repo.path")) ctx.repo->path = trim_end(value, '/'); else if (ctx.repo && !strcmp(name, "repo.clone-url")) ctx.repo->clone_url = xstrdup(value); else if (ctx.repo && !strcmp(name, "repo.desc")) ctx.repo->desc = xstrdup(value); else if (ctx.repo && !strcmp(name, "repo.owner")) ctx.repo->owner = xstrdup(value); else if (ctx.repo && !strcmp(name, "repo.defbranch")) ctx.repo->defbranch = xstrdup(value); else if (ctx.repo && !strcmp(name, "repo.snapshots")) ctx.repo->snapshots = ctx.cfg.snapshots & cgit_parse_snapshots_mask(value); /* XXX: &? */ else if (ctx.repo && !strcmp(name, "repo.enable-log-filecount")) ctx.repo->enable_log_filecount = ctx.cfg.enable_log_filecount * atoi(value); else if (ctx.repo && !strcmp(name, "repo.enable-log-linecount")) ctx.repo->enable_log_linecount = ctx.cfg.enable_log_linecount * atoi(value); else if (ctx.repo && !strcmp(name, "repo.max-stats")) ctx.repo->max_stats = cgit_find_stats_period(value, NULL); else if (ctx.repo && !strcmp(name, "repo.module-link")) ctx.repo->module_link= xstrdup(value); else if (ctx.repo && !strcmp(name, "repo.about-filter")) ctx.repo->about_filter = new_filter(value, 0); else if (ctx.repo && !strcmp(name, "repo.commit-filter")) ctx.repo->commit_filter = new_filter(value, 0); else if (ctx.repo && !strcmp(name, "repo.source-filter")) ctx.repo->source_filter = new_filter(value, 1); else if (ctx.repo && !strcmp(name, "repo.readme") && value != NULL) { if (*value == '/') ctx.repo->readme = xstrdup(value); else ctx.repo->readme = xstrdup(fmt("%s/%s", ctx.repo->path, value)); } else if (!strcmp(name, "include")) parse_configfile(value, config_cb); } static void querystring_cb(const char *name, const char *value) { if (!strcmp(name,"r")) { ctx.qry.repo = xstrdup(value); ctx.repo = cgit_get_repoinfo(value); } else if (!strcmp(name, "p")) { ctx.qry.page = xstrdup(value); } else if (!strcmp(name, "url")) { ctx.qry.url = xstrdup(value); cgit_parse_url(value); } else if (!strcmp(name, "qt")) { ctx.qry.grep = xstrdup(value); } else if (!strcmp(name, "q")) { ctx.qry.search = xstrdup(value); } else if (!strcmp(name, "h")) { ctx.qry.head = xstrdup(value); ctx.qry.has_symref = 1; } else if (!strcmp(name, "id")) { ctx.qry.sha1 = xstrdup(value); ctx.qry.has_sha1 = 1; } else if (!strcmp(name, "id2")) { ctx.qry.sha2 = xstrdup(value); ctx.qry.has_sha1 = 1; } else if (!strcmp(name, "ofs")) { ctx.qry.ofs = atoi(value); } else if (!strcmp(name, "path")) { ctx.qry.path = trim_end(value, '/'); } else if (!strcmp(name, "name")) { ctx.qry.name = xstrdup(value); } else if (!strcmp(name, "mimetype")) { ctx.qry.mimetype = xstrdup(value); } else if (!strcmp(name, "s")){ ctx.qry.sort = xstrdup(value); } else if (!strcmp(name, "showmsg")) { ctx.qry.showmsg = atoi(value); } else if (!strcmp(name, "period")) { ctx.qry.period = xstrdup(value); } } +char *xstrdupn(const char *str) +{ + return (str ? xstrdup(str) : NULL); +} + static void prepare_context(struct cgit_context *ctx) { memset(ctx, 0, sizeof(ctx)); ctx->cfg.agefile = "info/web/last-modified"; ctx->cfg.nocache = 0; ctx->cfg.cache_size = 0; ctx->cfg.cache_dynamic_ttl = 5; ctx->cfg.cache_max_create_time = 5; ctx->cfg.cache_repo_ttl = 5; ctx->cfg.cache_root = CGIT_CACHE_ROOT; ctx->cfg.cache_root_ttl = 5; ctx->cfg.cache_static_ttl = -1; ctx->cfg.css = "/cgit.css"; ctx->cfg.logo = "/cgit.png"; ctx->cfg.local_time = 0; ctx->cfg.max_repo_count = 50; ctx->cfg.max_commit_count = 50; ctx->cfg.max_lock_attempts = 5; ctx->cfg.max_msg_len = 80; ctx->cfg.max_repodesc_len = 80; ctx->cfg.max_stats = 0; ctx->cfg.module_link = "./?repo=%s&page=commit&id=%s"; ctx->cfg.renamelimit = -1; 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.script_name = CGIT_SCRIPT_NAME; ctx->cfg.summary_branches = 10; ctx->cfg.summary_log = 10; ctx->cfg.summary_tags = 10; + ctx->env.cgit_config = xstrdupn(getenv("CGIT_CONFIG")); + ctx->env.http_host = xstrdupn(getenv("HTTP_HOST")); + ctx->env.https = xstrdupn(getenv("HTTPS")); + ctx->env.no_http = xstrdupn(getenv("NO_HTTP")); + ctx->env.path_info = xstrdupn(getenv("PATH_INFO")); + ctx->env.query_string = xstrdupn(getenv("QUERY_STRING")); + ctx->env.request_method = xstrdupn(getenv("REQUEST_METHOD")); + ctx->env.script_name = xstrdupn(getenv("SCRIPT_NAME")); + ctx->env.server_name = xstrdupn(getenv("SERVER_NAME")); + ctx->env.server_port = xstrdupn(getenv("SERVER_PORT")); ctx->page.mimetype = "text/html"; ctx->page.charset = PAGE_ENCODING; ctx->page.filename = NULL; ctx->page.size = 0; ctx->page.modified = time(NULL); ctx->page.expires = ctx->page.modified; ctx->page.etag = NULL; memset(&ctx->cfg.mimetypes, 0, sizeof(struct string_list)); + if (ctx->env.script_name) + ctx->cfg.script_name = ctx->env.script_name; + if (ctx->env.query_string) + ctx->qry.raw = ctx->env.query_string; + if (!ctx->env.cgit_config) + ctx->env.cgit_config = CGIT_CONFIG; } struct refmatch { char *req_ref; char *first_ref; int match; }; int find_current_ref(const char *refname, const unsigned char *sha1, int flags, void *cb_data) { struct refmatch *info; info = (struct refmatch *)cb_data; if (!strcmp(refname, info->req_ref)) info->match = 1; if (!info->first_ref) info->first_ref = xstrdup(refname); return info->match; } char *find_default_branch(struct cgit_repo *repo) { struct refmatch info; char *ref; info.req_ref = repo->defbranch; info.first_ref = NULL; info.match = 0; for_each_branch_ref(find_current_ref, &info); if (info.match) ref = info.req_ref; else ref = info.first_ref; if (ref) ref = xstrdup(ref); return ref; } static int prepare_repo_cmd(struct cgit_context *ctx) { char *tmp; unsigned char sha1[20]; int nongit = 0; setenv("GIT_DIR", ctx->repo->path, 1); setup_git_directory_gently(&nongit); if (nongit) { ctx->page.title = fmt("%s - %s", ctx->cfg.root_title, "config error"); tmp = fmt("Not a git repository: '%s'", ctx->repo->path); ctx->repo = NULL; cgit_print_http_headers(ctx); cgit_print_docstart(ctx); cgit_print_pageheader(ctx); cgit_print_error(tmp); cgit_print_docend(); return 1; } ctx->page.title = fmt("%s - %s", ctx->repo->name, ctx->repo->desc); 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) { cgit_print_http_headers(ctx); cgit_print_docstart(ctx); cgit_print_pageheader(ctx); cgit_print_error("Repository seems to be empty"); cgit_print_docend(); return 1; } if (get_sha1(ctx->qry.head, sha1)) { tmp = xstrdup(ctx->qry.head); ctx->qry.head = ctx->repo->defbranch; ctx->page.status = 404; ctx->page.statusmsg = "not found"; cgit_print_http_headers(ctx); cgit_print_docstart(ctx); cgit_print_pageheader(ctx); cgit_print_error(fmt("Invalid branch: %s", tmp)); cgit_print_docend(); return 1; } return 0; } static void process_request(void *cbdata) { struct cgit_context *ctx = cbdata; struct cgit_cmd *cmd; cmd = cgit_get_cmd(ctx); if (!cmd) { ctx->page.title = "cgit error"; cgit_print_http_headers(ctx); cgit_print_docstart(ctx); cgit_print_pageheader(ctx); cgit_print_error("Invalid request"); cgit_print_docend(); return; } if (cmd->want_repo && !ctx->repo) { cgit_print_http_headers(ctx); cgit_print_docstart(ctx); cgit_print_pageheader(ctx); cgit_print_error(fmt("No repository selected")); cgit_print_docend(); return; } if (ctx->repo && prepare_repo_cmd(ctx)) return; if (cmd->want_layout) { cgit_print_http_headers(ctx); cgit_print_docstart(ctx); cgit_print_pageheader(ctx); } cmd->fn(ctx); if (cmd->want_layout) cgit_print_docend(); } int cmp_repos(const void *a, const void *b) { const struct cgit_repo *ra = a, *rb = b; return strcmp(ra->url, rb->url); } void print_repo(struct cgit_repo *repo) { printf("repo.url=%s\n", repo->url); printf("repo.name=%s\n", repo->name); printf("repo.path=%s\n", repo->path); if (repo->owner) printf("repo.owner=%s\n", repo->owner); if (repo->desc) printf("repo.desc=%s\n", repo->desc); 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 *cgit_config_env = getenv("CGIT_CONFIG"); - const char *method = getenv("REQUEST_METHOD"); const char *path; char *qry; int err, ttl; prepare_context(&ctx); cgit_repolist.length = 0; cgit_repolist.count = 0; cgit_repolist.repos = NULL; - if (getenv("SCRIPT_NAME")) - ctx.cfg.script_name = xstrdup(getenv("SCRIPT_NAME")); - if (getenv("QUERY_STRING")) - ctx.qry.raw = xstrdup(getenv("QUERY_STRING")); cgit_parse_args(argc, argv); - parse_configfile(cgit_config_env ? cgit_config_env : CGIT_CONFIG, - config_cb); + 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 = getenv("PATH_INFO"); + 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 = ctx.qry.url; cgit_parse_url(ctx.qry.url); } ttl = calc_ttl(); ctx.page.expires += ttl*60; - if (method && !strcmp(method, "HEAD")) + 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; } |