X-Git-Url: https://git.cameronkatri.com/cgit.git/blobdiff_plain/3eae406934b98ce78eff3a92cb410475d71095a3..55ebd5e97ccd0da9424d68f1e0f301551cf4b47a:/cgit.c diff --git a/cgit.c b/cgit.c index 0be41b8..2f07e6d 100644 --- a/cgit.c +++ b/cgit.c @@ -23,7 +23,7 @@ static void add_mimetype(const char *name, const char *value) { struct string_list_item *item; - item = string_list_insert(&ctx.cfg.mimetypes, xstrdup(name)); + item = string_list_insert(&ctx.cfg.mimetypes, name); item->util = xstrdup(value); } @@ -31,6 +31,7 @@ static void process_cached_repolist(const char *path); static void repo_config(struct cgit_repo *repo, const char *name, const char *value) { + const char *path; struct string_list_item *item; if (!strcmp(name, "name")) @@ -41,8 +42,12 @@ static void repo_config(struct cgit_repo *repo, const char *name, const char *va repo->desc = xstrdup(value); else if (!strcmp(name, "owner")) repo->owner = xstrdup(value); + else if (!strcmp(name, "homepage")) + repo->homepage = xstrdup(value); else if (!strcmp(name, "defbranch")) repo->defbranch = xstrdup(value); + else if (!strcmp(name, "extra-head-content")) + repo->extra_head_content = xstrdup(value); else if (!strcmp(name, "snapshots")) repo->snapshots = ctx.cfg.snapshots & cgit_parse_snapshots_mask(value); else if (!strcmp(name, "enable-commit-graph")) @@ -55,6 +60,8 @@ static void repo_config(struct cgit_repo *repo, const char *name, const char *va repo->enable_remote_branches = atoi(value); else if (!strcmp(name, "enable-subject-links")) repo->enable_subject_links = atoi(value); + else if (!strcmp(name, "enable-html-serving")) + repo->enable_html_serving = atoi(value); else if (!strcmp(name, "branch-sort")) { if (!strcmp(value, "age")) repo->branch_sort = 1; @@ -69,11 +76,13 @@ static void repo_config(struct cgit_repo *repo, const char *name, const char *va repo->max_stats = cgit_find_stats_period(value, NULL); else if (!strcmp(name, "module-link")) repo->module_link= xstrdup(value); - else if (!prefixcmp(name, "module-link.")) { - item = string_list_append(&repo->submodules, xstrdup(name + 12)); + else if (skip_prefix(name, "module-link.", &path)) { + item = string_list_append(&repo->submodules, xstrdup(path)); item->util = xstrdup(value); } else if (!strcmp(name, "section")) repo->section = xstrdup(value); + else if (!strcmp(name, "snapshot-prefix")) + repo->snapshot_prefix = xstrdup(value); else if (!strcmp(name, "readme") && value != NULL) { if (repo->readme.items == ctx.cfg.readme.items) memset(&repo->readme, 0, sizeof(repo->readme)); @@ -82,6 +91,10 @@ static void repo_config(struct cgit_repo *repo, const char *name, const char *va repo->logo = xstrdup(value); else if (!strcmp(name, "logo-link") && value != NULL) repo->logo_link = xstrdup(value); + else if (!strcmp(name, "hide")) + repo->hide = atoi(value); + else if (!strcmp(name, "ignore")) + repo->ignore = atoi(value); else if (ctx.cfg.enable_filter_overrides) { if (!strcmp(name, "about-filter")) repo->about_filter = cgit_new_filter(value, ABOUT); @@ -89,20 +102,26 @@ static void repo_config(struct cgit_repo *repo, const char *name, const char *va repo->commit_filter = cgit_new_filter(value, COMMIT); else if (!strcmp(name, "source-filter")) repo->source_filter = cgit_new_filter(value, SOURCE); + else if (!strcmp(name, "email-filter")) + repo->email_filter = cgit_new_filter(value, EMAIL); + else if (!strcmp(name, "owner-filter")) + repo->owner_filter = cgit_new_filter(value, OWNER); } } static void config_cb(const char *name, const char *value) { - if (!strcmp(name, "section") || !strcmp(name, "repo.group")) + const char *arg; + + if (!strcmp(name, "section")) ctx.cfg.section = xstrdup(value); else if (!strcmp(name, "repo.url")) ctx.repo = cgit_add_repo(value); else if (ctx.repo && !strcmp(name, "repo.path")) ctx.repo->path = trim_end(value, '/'); - else if (ctx.repo && !prefixcmp(name, "repo.")) - repo_config(ctx.repo, name + 5, value); - else if (!strcmp(name, "readme") && value != NULL) + else if (ctx.repo && skip_prefix(name, "repo.", &arg)) + repo_config(ctx.repo, arg, value); + else if (!strcmp(name, "readme")) string_list_append(&ctx.cfg.readme, xstrdup(value)); else if (!strcmp(name, "root-title")) ctx.cfg.root_title = xstrdup(value); @@ -122,20 +141,14 @@ static void config_cb(const char *name, const char *value) 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, "strict-export")) ctx.cfg.strict_export = xstrdup(value); - else if (!strcmp(name, "virtual-root")) { + else if (!strcmp(name, "virtual-root")) ctx.cfg.virtual_root = ensure_end(value, '/'); - } 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")) @@ -144,12 +157,16 @@ static 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-follow-links")) + ctx.cfg.enable_follow_links = 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-blame")) + ctx.cfg.enable_blame = atoi(value); else if (!strcmp(name, "enable-commit-graph")) ctx.cfg.enable_commit_graph = atoi(value); else if (!strcmp(name, "enable-log-filecount")) @@ -160,6 +177,8 @@ static void config_cb(const char *name, const char *value) ctx.cfg.enable_remote_branches = atoi(value); else if (!strcmp(name, "enable-subject-links")) ctx.cfg.enable_subject_links = atoi(value); + else if (!strcmp(name, "enable-html-serving")) + ctx.cfg.enable_html_serving = atoi(value); else if (!strcmp(name, "enable-tree-linenumbers")) ctx.cfg.enable_tree_linenumbers = atoi(value); else if (!strcmp(name, "enable-git-config")) @@ -182,12 +201,20 @@ static void config_cb(const char *name, const char *value) ctx.cfg.cache_dynamic_ttl = atoi(value); else if (!strcmp(name, "cache-about-ttl")) ctx.cfg.cache_about_ttl = atoi(value); + else if (!strcmp(name, "cache-snapshot-ttl")) + ctx.cfg.cache_snapshot_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 = cgit_new_filter(value, ABOUT); else if (!strcmp(name, "commit-filter")) ctx.cfg.commit_filter = cgit_new_filter(value, COMMIT); + else if (!strcmp(name, "email-filter")) + ctx.cfg.email_filter = cgit_new_filter(value, EMAIL); + else if (!strcmp(name, "owner-filter")) + ctx.cfg.owner_filter = cgit_new_filter(value, OWNER); + else if (!strcmp(name, "auth-filter")) + ctx.cfg.auth_filter = cgit_new_filter(value, AUTH); else if (!strcmp(name, "embedded")) ctx.cfg.embedded = atoi(value); else if (!strcmp(name, "max-atom-items")) @@ -205,7 +232,7 @@ static void config_cb(const char *name, const char *value) else if (!strcmp(name, "project-list")) ctx.cfg.project_list = xstrdup(expand_macros(value)); else if (!strcmp(name, "scan-path")) - if (!ctx.cfg.nocache && ctx.cfg.cache_size) + if (ctx.cfg.cache_size) process_cached_repolist(expand_macros(value)); else if (ctx.cfg.project_list) scan_projects(expand_macros(value), @@ -229,7 +256,7 @@ static void config_cb(const char *name, const char *value) else if (!strcmp(name, "summary-tags")) ctx.cfg.summary_tags = atoi(value); else if (!strcmp(name, "side-by-side-diffs")) - ctx.cfg.ssdiff = atoi(value); + ctx.cfg.difftype = atoi(value) ? DIFF_SSDIFF : DIFF_UNIFIED; else if (!strcmp(name, "agefile")) ctx.cfg.agefile = xstrdup(value); else if (!strcmp(name, "mimetype-file")) @@ -256,8 +283,8 @@ static void config_cb(const char *name, const char *value) ctx.cfg.branch_sort = 1; if (!strcmp(value, "name")) ctx.cfg.branch_sort = 0; - } else if (!prefixcmp(name, "mimetype.")) - add_mimetype(name + 9, value); + } else if (skip_prefix(name, "mimetype.", &arg)) + add_mimetype(arg, value); else if (!strcmp(name, "include")) parse_configfile(expand_macros(value), config_cb); } @@ -296,98 +323,106 @@ static void querystring_cb(const char *name, const char *value) 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); + } else if (!strcmp(name, "dt")) { + ctx.qry.difftype = atoi(value); + ctx.qry.has_difftype = 1; } else if (!strcmp(name, "ss")) { - ctx.qry.ssdiff = atoi(value); - ctx.qry.has_ssdiff = 1; + /* No longer generated, but there may be links out there. */ + ctx.qry.difftype = atoi(value) ? DIFF_SSDIFF : DIFF_UNIFIED; + ctx.qry.has_difftype = 1; } else if (!strcmp(name, "all")) { ctx.qry.show_all = atoi(value); } else if (!strcmp(name, "context")) { ctx.qry.context = atoi(value); } else if (!strcmp(name, "ignorews")) { ctx.qry.ignorews = atoi(value); + } else if (!strcmp(name, "follow")) { + ctx.qry.follow = atoi(value); } } -static void prepare_context(struct cgit_context *ctx) +static void prepare_context(void) { - memset(ctx, 0, sizeof(*ctx)); - ctx->cfg.agefile = "info/web/last-modified"; - ctx->cfg.nocache = 0; - ctx->cfg.cache_size = 0; - ctx->cfg.cache_max_create_time = 5; - ctx->cfg.cache_root = CGIT_CACHE_ROOT; - ctx->cfg.cache_about_ttl = 15; - ctx->cfg.cache_repo_ttl = 5; - ctx->cfg.cache_root_ttl = 5; - ctx->cfg.cache_scanrc_ttl = 15; - ctx->cfg.cache_dynamic_ttl = 5; - ctx->cfg.cache_static_ttl = -1; - ctx->cfg.case_sensitive_sort = 1; - ctx->cfg.branch_sort = 0; - ctx->cfg.commit_sort = 0; - ctx->cfg.css = "/cgit.css"; - ctx->cfg.logo = "/cgit.png"; - ctx->cfg.favicon = "/favicon.ico"; - ctx->cfg.local_time = 0; - 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; - ctx->cfg.max_msg_len = 80; - ctx->cfg.max_repodesc_len = 80; - ctx->cfg.max_blob_size = 0; - ctx->cfg.max_stats = 0; - 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; - ctx->cfg.max_atom_items = 10; - ctx->cfg.ssdiff = 0; - ctx->env.cgit_config = getenv("CGIT_CONFIG"); - ctx->env.http_host = getenv("HTTP_HOST"); - ctx->env.https = getenv("HTTPS"); - ctx->env.no_http = getenv("NO_HTTP"); - ctx->env.path_info = getenv("PATH_INFO"); - ctx->env.query_string = getenv("QUERY_STRING"); - ctx->env.request_method = getenv("REQUEST_METHOD"); - ctx->env.script_name = getenv("SCRIPT_NAME"); - ctx->env.server_name = getenv("SERVER_NAME"); - ctx->env.server_port = 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 = xstrdup(ctx->env.script_name); - if (ctx->env.query_string) - ctx->qry.raw = xstrdup(ctx->env.query_string); - if (!ctx->env.cgit_config) - ctx->env.cgit_config = CGIT_CONFIG; + memset(&ctx, 0, sizeof(ctx)); + ctx.cfg.agefile = "info/web/last-modified"; + ctx.cfg.cache_size = 0; + ctx.cfg.cache_max_create_time = 5; + ctx.cfg.cache_root = CGIT_CACHE_ROOT; + ctx.cfg.cache_about_ttl = 15; + ctx.cfg.cache_snapshot_ttl = 5; + ctx.cfg.cache_repo_ttl = 5; + ctx.cfg.cache_root_ttl = 5; + ctx.cfg.cache_scanrc_ttl = 15; + ctx.cfg.cache_dynamic_ttl = 5; + ctx.cfg.cache_static_ttl = -1; + ctx.cfg.case_sensitive_sort = 1; + ctx.cfg.branch_sort = 0; + ctx.cfg.commit_sort = 0; + ctx.cfg.css = "/cgit.css"; + ctx.cfg.logo = "/cgit.png"; + ctx.cfg.favicon = "/favicon.ico"; + ctx.cfg.local_time = 0; + 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; + ctx.cfg.max_msg_len = 80; + ctx.cfg.max_repodesc_len = 80; + ctx.cfg.max_blob_size = 0; + ctx.cfg.max_stats = 0; + 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; + ctx.cfg.max_atom_items = 10; + ctx.cfg.difftype = DIFF_UNIFIED; + ctx.env.cgit_config = getenv("CGIT_CONFIG"); + ctx.env.http_host = getenv("HTTP_HOST"); + ctx.env.https = getenv("HTTPS"); + ctx.env.no_http = getenv("NO_HTTP"); + ctx.env.path_info = getenv("PATH_INFO"); + ctx.env.query_string = getenv("QUERY_STRING"); + ctx.env.request_method = getenv("REQUEST_METHOD"); + ctx.env.script_name = getenv("SCRIPT_NAME"); + ctx.env.server_name = getenv("SERVER_NAME"); + ctx.env.server_port = getenv("SERVER_PORT"); + ctx.env.http_cookie = getenv("HTTP_COOKIE"); + ctx.env.http_referer = getenv("HTTP_REFERER"); + ctx.env.content_length = getenv("CONTENT_LENGTH") ? strtoul(getenv("CONTENT_LENGTH"), NULL, 10) : 0; + ctx.env.authenticated = 0; + 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; + string_list_init(&ctx.cfg.mimetypes, 1); + if (ctx.env.script_name) + ctx.cfg.script_name = xstrdup(ctx.env.script_name); + if (ctx.env.query_string) + ctx.qry.raw = xstrdup(ctx.env.query_string); + if (!ctx.env.cgit_config) + ctx.env.cgit_config = CGIT_CONFIG; } struct refmatch { @@ -396,7 +431,7 @@ struct refmatch { int match; }; -static int find_current_ref(const char *refname, const unsigned char *sha1, +static int find_current_ref(const char *refname, const struct object_id *oid, int flags, void *cb_data) { struct refmatch *info; @@ -437,14 +472,15 @@ static char *find_default_branch(struct cgit_repo *repo) static char *guess_defbranch(void) { - const char *ref; - unsigned char sha1[20]; + const char *ref, *refname; + struct object_id oid; - ref = resolve_ref_unsafe("HEAD", sha1, 0, NULL); - if (!ref || prefixcmp(ref, "refs/heads/")) + ref = resolve_ref_unsafe("HEAD", 0, &oid, NULL); + if (!ref || !skip_prefix(ref, "refs/heads/", &refname)) return "master"; - return xstrdup(ref + 11); + return xstrdup(refname); } + /* The caller must free filename and ref after calling this. */ static inline void parse_readme(const char *readme, char **filename, char **ref, struct cgit_repo *repo) { @@ -491,12 +527,6 @@ static void choose_readme(struct cgit_repo *repo) free(ref); continue; } - /* If there's only one item, we skip the possibly expensive - * selection process. */ - if (repo->readme.nr == 1) { - found = 1; - break; - } if (ref) { if (cgit_ref_path_exists(filename, ref, 1)) { found = 1; @@ -517,14 +547,21 @@ static void choose_readme(struct cgit_repo *repo) string_list_append(&repo->readme, filename)->util = ref; } -static int prepare_repo_cmd(struct cgit_context *ctx) +static void print_no_repo_clone_urls(const char *url) { - unsigned char sha1[20]; - int nongit = 0; - int rc; + html(""); + html_txt(url); + html("\n"); +} +static void prepare_repo_env(int *nongit) +{ /* The path to the git repository. */ - setenv("GIT_DIR", ctx->repo->path, 1); + setenv("GIT_DIR", ctx.repo->path, 1); /* Do not look in /etc/ for gitconfig and gitattributes. */ setenv("GIT_CONFIG_NOSYSTEM", "1", 1); @@ -535,111 +572,180 @@ static int prepare_repo_cmd(struct cgit_context *ctx) /* Setup the git directory and initialize the notes system. Both of these * load local configuration from the git repository, so we do them both while * the HOME variables are unset. */ - setup_git_directory_gently(&nongit); + setup_git_directory_gently(nongit); init_display_notes(NULL); +} +static int prepare_repo_cmd(int nongit) +{ + struct object_id oid; + int rc; if (nongit) { - const char *name = ctx->repo->name; + const char *name = ctx.repo->name; rc = errno; - ctx->page.title = fmtalloc("%s - %s", ctx->cfg.root_title, + ctx.page.title = fmtalloc("%s - %s", ctx.cfg.root_title, "config error"); - ctx->repo = NULL; - cgit_print_http_headers(ctx); - cgit_print_docstart(ctx); - cgit_print_pageheader(ctx); + ctx.repo = NULL; + cgit_print_http_headers(); + cgit_print_docstart(); + cgit_print_pageheader(); cgit_print_error("Failed to open %s: %s", name, rc ? strerror(rc) : "Not a valid git repository"); cgit_print_docend(); return 1; } - ctx->page.title = fmtalloc("%s - %s", ctx->repo->name, ctx->repo->desc); + ctx.page.title = fmtalloc("%s - %s", ctx.repo->name, ctx.repo->desc); - if (!ctx->repo->defbranch) - ctx->repo->defbranch = guess_defbranch(); + 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); + if (!ctx.qry.head) { + ctx.qry.nohead = 1; + ctx.qry.head = find_default_branch(ctx.repo); } - if (!ctx->qry.head) { - cgit_print_http_headers(ctx); - cgit_print_docstart(ctx); - cgit_print_pageheader(ctx); + if (!ctx.qry.head) { + cgit_print_http_headers(); + cgit_print_docstart(); + cgit_print_pageheader(); cgit_print_error("Repository seems to be empty"); + if (!strcmp(ctx.qry.page, "summary")) { + html("\n"); + cgit_prepare_repo_env(ctx.repo); + cgit_add_clone_urls(print_no_repo_clone_urls); + html("
 
Clone
\n"); + } cgit_print_docend(); return 1; } - if (get_sha1(ctx->qry.head, sha1)) { - char *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("Invalid branch: %s", tmp); - cgit_print_docend(); + if (get_oid(ctx.qry.head, &oid)) { + char *old_head = ctx.qry.head; + ctx.qry.head = xstrdup(ctx.repo->defbranch); + cgit_print_error_page(404, "Not found", + "Invalid branch: %s", old_head); + free(old_head); return 1; } - sort_string_list(&ctx->repo->submodules); - cgit_prepare_repo_env(ctx->repo); - choose_readme(ctx->repo); + string_list_sort(&ctx.repo->submodules); + cgit_prepare_repo_env(ctx.repo); + choose_readme(ctx.repo); return 0; } -static void process_request(void *cbdata) +static inline void open_auth_filter(const char *function) { - struct cgit_context *ctx = cbdata; - struct cgit_cmd *cmd; + cgit_open_filter(ctx.cfg.auth_filter, function, + ctx.env.http_cookie ? ctx.env.http_cookie : "", + ctx.env.request_method ? ctx.env.request_method : "", + ctx.env.query_string ? ctx.env.query_string : "", + ctx.env.http_referer ? ctx.env.http_referer : "", + ctx.env.path_info ? ctx.env.path_info : "", + ctx.env.http_host ? ctx.env.http_host : "", + ctx.env.https ? ctx.env.https : "", + ctx.qry.repo ? ctx.qry.repo : "", + ctx.qry.page ? ctx.qry.page : "", + cgit_currentfullurl(), + cgit_loginurl()); +} - 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); - cgit_print_error("Invalid request"); - cgit_print_docend(); +/* We intentionally keep this rather small, instead of looping and + * feeding it to the filter a couple bytes at a time. This way, the + * filter itself does not need to handle any denial of service or + * buffer bloat issues. If this winds up being too small, people + * will complain on the mailing list, and we'll increase it as needed. */ +#define MAX_AUTHENTICATION_POST_BYTES 4096 +/* The filter is expected to spit out "Status: " and all headers. */ +static inline void authenticate_post(void) +{ + char buffer[MAX_AUTHENTICATION_POST_BYTES]; + ssize_t len; + + open_auth_filter("authenticate-post"); + len = ctx.env.content_length; + if (len > MAX_AUTHENTICATION_POST_BYTES) + len = MAX_AUTHENTICATION_POST_BYTES; + if ((len = read(STDIN_FILENO, buffer, len)) < 0) + die_errno("Could not read POST from stdin"); + if (write(STDOUT_FILENO, buffer, len) < 0) + die_errno("Could not write POST to stdout"); + cgit_close_filter(ctx.cfg.auth_filter); + exit(0); +} + +static inline void authenticate_cookie(void) +{ + /* If we don't have an auth_filter, consider all cookies valid, and thus return early. */ + if (!ctx.cfg.auth_filter) { + ctx.env.authenticated = 1; return; } - if (!ctx->cfg.enable_http_clone && cmd->is_clone) { - html_status(404, "Not found", 0); + /* If we're having something POST'd to /login, we're authenticating POST, + * instead of the cookie, so call authenticate_post and bail out early. + * This pattern here should match /?p=login with POST. */ + if (ctx.env.request_method && ctx.qry.page && !ctx.repo && \ + !strcmp(ctx.env.request_method, "POST") && !strcmp(ctx.qry.page, "login")) { + authenticate_post(); 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). - */ - ctx->qry.vpath = cmd->want_vpath ? ctx->qry.path : NULL; + /* If we've made it this far, we're authenticating the cookie for real, so do that. */ + open_auth_filter("authenticate-cookie"); + ctx.env.authenticated = cgit_close_filter(ctx.cfg.auth_filter); +} - if (cmd->want_repo && !ctx->repo) { - cgit_print_http_headers(ctx); - cgit_print_docstart(ctx); - cgit_print_pageheader(ctx); - cgit_print_error("No repository selected"); +static void process_request(void) +{ + struct cgit_cmd *cmd; + int nongit = 0; + + /* If we're not yet authenticated, no matter what page we're on, + * display the authentication body from the auth_filter. This should + * never be cached. */ + if (!ctx.env.authenticated) { + ctx.page.title = "Authentication Required"; + cgit_print_http_headers(); + cgit_print_docstart(); + cgit_print_pageheader(); + open_auth_filter("body"); + cgit_close_filter(ctx.cfg.auth_filter); cgit_print_docend(); return; } - if (ctx->repo && prepare_repo_cmd(ctx)) + if (ctx.repo) + prepare_repo_env(&nongit); + + cmd = cgit_get_cmd(); + if (!cmd) { + ctx.page.title = "cgit error"; + cgit_print_error_page(404, "Not found", "Invalid request"); + return; + } + + if (!ctx.cfg.enable_http_clone && cmd->is_clone) { + ctx.page.title = "cgit error"; + cgit_print_error_page(404, "Not found", "Invalid request"); return; + } - if (cmd->want_layout) { - cgit_print_http_headers(ctx); - cgit_print_docstart(ctx); - cgit_print_pageheader(ctx); + if (cmd->want_repo && !ctx.repo) { + cgit_print_error_page(400, "Bad request", + "No repository selected"); + return; } - cmd->fn(ctx); + /* 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). + */ + ctx.qry.vpath = cmd->want_vpath ? ctx.qry.path : NULL; - if (cmd->want_layout) - cgit_print_docend(); + if (ctx.repo && prepare_repo_cmd(nongit)) + return; + + cmd->fn(); } static int cmp_repos(const void *a, const void *b) @@ -654,7 +760,7 @@ static char *build_snapshot_setting(int bitmap) struct strbuf result = STRBUF_INIT; for (f = cgit_snapshot_formats; f->suffix; f++) { - if (f->bit & bitmap) { + if (cgit_snapshot_format_bit(f) & bitmap) { if (result.len) strbuf_addch(&result, ' '); strbuf_addstr(&result, f->suffix); @@ -693,10 +799,14 @@ static void print_repo(FILE *f, struct cgit_repo *repo) } if (repo->defbranch) fprintf(f, "repo.defbranch=%s\n", repo->defbranch); + if (repo->extra_head_content) + fprintf(f, "repo.extra-head-content=%s\n", repo->extra_head_content); if (repo->module_link) fprintf(f, "repo.module-link=%s\n", repo->module_link); if (repo->section) fprintf(f, "repo.section=%s\n", repo->section); + if (repo->homepage) + fprintf(f, "repo.homepage=%s\n", repo->homepage); if (repo->clone_url) fprintf(f, "repo.clone-url=%s\n", repo->clone_url); fprintf(f, "repo.enable-commit-graph=%d\n", @@ -706,16 +816,22 @@ static void print_repo(FILE *f, struct cgit_repo *repo) fprintf(f, "repo.enable-log-linecount=%d\n", repo->enable_log_linecount); if (repo->about_filter && repo->about_filter != ctx.cfg.about_filter) - fprintf(f, "repo.about-filter=%s\n", repo->about_filter->cmd); + cgit_fprintf_filter(repo->about_filter, f, "repo.about-filter="); if (repo->commit_filter && repo->commit_filter != ctx.cfg.commit_filter) - fprintf(f, "repo.commit-filter=%s\n", repo->commit_filter->cmd); + cgit_fprintf_filter(repo->commit_filter, f, "repo.commit-filter="); if (repo->source_filter && repo->source_filter != ctx.cfg.source_filter) - fprintf(f, "repo.source-filter=%s\n", repo->source_filter->cmd); + cgit_fprintf_filter(repo->source_filter, f, "repo.source-filter="); + if (repo->email_filter && repo->email_filter != ctx.cfg.email_filter) + cgit_fprintf_filter(repo->email_filter, f, "repo.email-filter="); + if (repo->owner_filter && repo->owner_filter != ctx.cfg.owner_filter) + cgit_fprintf_filter(repo->owner_filter, f, "repo.owner-filter="); if (repo->snapshots != ctx.cfg.snapshots) { char *tmp = build_snapshot_setting(repo->snapshots); fprintf(f, "repo.snapshots=%s\n", tmp ? tmp : ""); free(tmp); } + if (repo->snapshot_prefix) + fprintf(f, "repo.snapshot-prefix=%s\n", repo->snapshot_prefix); if (repo->max_stats != ctx.cfg.max_stats) fprintf(f, "repo.max-stats=%s\n", cgit_find_stats_periodname(repo->max_stats)); @@ -725,6 +841,7 @@ static void print_repo(FILE *f, struct cgit_repo *repo) fprintf(f, "repo.logo-link=%s\n", repo->logo_link); fprintf(f, "repo.enable-remote-branches=%d\n", repo->enable_remote_branches); fprintf(f, "repo.enable-subject-links=%d\n", repo->enable_subject_links); + fprintf(f, "repo.enable-html-serving=%d\n", repo->enable_html_serving); if (repo->branch_sort == 1) fprintf(f, "repo.branch-sort=age\n"); if (repo->commit_sort) { @@ -733,6 +850,8 @@ static void print_repo(FILE *f, struct cgit_repo *repo) else if (repo->commit_sort == 2) fprintf(f, "repo.commit-sort=topo\n"); } + fprintf(f, "repo.hide=%d\n", repo->hide); + fprintf(f, "repo.ignore=%d\n", repo->ignore); fprintf(f, "\n"); } @@ -830,31 +949,47 @@ out: static void cgit_parse_args(int argc, const char **argv) { int i; + const char *arg; int scan = 0; for (i = 1; i < argc; i++) { - if (!prefixcmp(argv[i], "--cache=")) { - ctx.cfg.cache_root = xstrdup(argv[i] + 8); - } else if (!strcmp(argv[i], "--nocache")) { - ctx.cfg.nocache = 1; + if (!strcmp(argv[i], "--version")) { + printf("CGit %s | https://git.zx2c4.com/cgit/\n\nCompiled in features:\n", CGIT_VERSION); +#ifdef NO_LUA + printf("[-] "); +#else + printf("[+] "); +#endif + printf("Lua scripting\n"); +#ifndef HAVE_LINUX_SENDFILE + printf("[-] "); +#else + printf("[+] "); +#endif + printf("Linux sendfile() usage\n"); + + exit(0); + } + if (skip_prefix(argv[i], "--cache=", &arg)) { + ctx.cfg.cache_root = xstrdup(arg); } else if (!strcmp(argv[i], "--nohttp")) { ctx.env.no_http = "1"; - } else if (!prefixcmp(argv[i], "--query=")) { - ctx.qry.raw = xstrdup(argv[i] + 8); - } else if (!prefixcmp(argv[i], "--repo=")) { - ctx.qry.repo = xstrdup(argv[i] + 7); - } else if (!prefixcmp(argv[i], "--page=")) { - ctx.qry.page = xstrdup(argv[i] + 7); - } else if (!prefixcmp(argv[i], "--head=")) { - ctx.qry.head = xstrdup(argv[i] + 7); + } else if (skip_prefix(argv[i], "--query=", &arg)) { + ctx.qry.raw = xstrdup(arg); + } else if (skip_prefix(argv[i], "--repo=", &arg)) { + ctx.qry.repo = xstrdup(arg); + } else if (skip_prefix(argv[i], "--page=", &arg)) { + ctx.qry.page = xstrdup(arg); + } else if (skip_prefix(argv[i], "--head=", &arg)) { + ctx.qry.head = xstrdup(arg); ctx.qry.has_symref = 1; - } else if (!prefixcmp(argv[i], "--sha1=")) { - ctx.qry.sha1 = xstrdup(argv[i] + 7); + } else if (skip_prefix(argv[i], "--sha1=", &arg)) { + ctx.qry.sha1 = xstrdup(arg); ctx.qry.has_sha1 = 1; - } else if (!prefixcmp(argv[i], "--ofs=")) { - ctx.qry.ofs = atoi(argv[i] + 6); - } else if (!prefixcmp(argv[i], "--scan-tree=") || - !prefixcmp(argv[i], "--scan-path=")) { + } else if (skip_prefix(argv[i], "--ofs=", &arg)) { + ctx.qry.ofs = atoi(arg); + } else if (skip_prefix(argv[i], "--scan-tree=", &arg) || + skip_prefix(argv[i], "--scan-path=", &arg)) { /* * HACK: The global snapshot bit mask defines the set * of allowed snapshot formats, but the config file @@ -868,7 +1003,7 @@ static void cgit_parse_args(int argc, const char **argv) */ ctx.cfg.snapshots = 0xFF; scan++; - scan_tree(argv[i] + 12, repo_config); + scan_tree(arg, repo_config); } } if (scan) { @@ -879,7 +1014,7 @@ static void cgit_parse_args(int argc, const char **argv) } } -static int calc_ttl() +static int calc_ttl(void) { if (!ctx.repo) return ctx.cfg.cache_root_ttl; @@ -890,6 +1025,9 @@ static int calc_ttl() if (!strcmp(ctx.qry.page, "about")) return ctx.cfg.cache_about_ttl; + if (!strcmp(ctx.qry.page, "snapshot")) + return ctx.cfg.cache_snapshot_ttl; + if (ctx.qry.has_sha1) return ctx.cfg.cache_static_ttl; @@ -899,12 +1037,15 @@ static int calc_ttl() return ctx.cfg.cache_repo_ttl; } -int main(int argc, const char **argv) +int cmd_main(int argc, const char **argv) { const char *path; int err, ttl; - prepare_context(&ctx); + cgit_init_filters(); + atexit(cgit_cleanup_filters); + + prepare_context(); cgit_repolist.length = 0; cgit_repolist.count = 0; cgit_repolist.repos = NULL; @@ -940,17 +1081,21 @@ int main(int argc, const char **argv) cgit_parse_url(ctx.qry.url); } + /* Before we go any further, we set ctx.env.authenticated by checking to see + * if the supplied cookie is valid. All cookies are valid if there is no + * auth_filter. If there is an auth_filter, the filter decides. */ + authenticate_cookie(); + ttl = calc_ttl(); if (ttl < 0) ctx.page.expires += 10 * 365 * 24 * 60 * 60; /* 10 years */ else ctx.page.expires += ttl * 60; - if (ctx.env.request_method && !strcmp(ctx.env.request_method, "HEAD")) - ctx.cfg.nocache = 1; - if (ctx.cfg.nocache) + if (!ctx.env.authenticated || (ctx.env.request_method && !strcmp(ctx.env.request_method, "HEAD"))) ctx.cfg.cache_size = 0; err = cache_process(ctx.cfg.cache_size, ctx.cfg.cache_root, - ctx.qry.raw, ttl, process_request, &ctx); + ctx.qry.raw, ttl, process_request); + cgit_cleanup_filters(); if (err) cgit_print_error("Error processing page: %s (%d)", strerror(err), err);