From 60a26272e0ca529407fe6b613f061f04ba585d53 Mon Sep 17 00:00:00 2001 From: Lars Hjemli Date: Mon, 10 Aug 2009 08:21:09 +0200 Subject: Cleanup handling of environment variables Signed-off-by: Lars Hjemli diff --git a/cgit.c b/cgit.c index 7b228af..a92383d 100644 --- a/cgit.c +++ b/cgit.c @@ -215,6 +215,11 @@ static void querystring_cb(const char *name, const char *value) } } +char *xstrdupn(const char *str) +{ + return (str ? xstrdup(str) : NULL); +} + static void prepare_context(struct cgit_context *ctx) { memset(ctx, 0, sizeof(ctx)); @@ -245,6 +250,15 @@ static void prepare_context(struct cgit_context *ctx) 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.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; @@ -253,6 +267,12 @@ static void prepare_context(struct cgit_context *ctx) 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 { @@ -477,8 +497,6 @@ static int calc_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; @@ -488,13 +506,8 @@ int main(int argc, const char **argv) 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); @@ -509,7 +522,7 @@ int main(int argc, const char **argv) * 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++; @@ -525,7 +538,7 @@ int main(int argc, const char **argv) 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; diff --git a/cgit.h b/cgit.h index 4c854ea..893231d 100644 --- a/cgit.h +++ b/cgit.h @@ -207,7 +207,20 @@ struct cgit_page { char *statusmsg; }; +struct cgit_environment { + char *cgit_config; + char *http_host; + char *https; + char *path_info; + char *query_string; + char *request_method; + char *script_name; + char *server_name; + char *server_port; +}; + struct cgit_context { + struct cgit_environment env; struct cgit_query qry; struct cgit_config cfg; struct cgit_repo *repo; diff --git a/ui-shared.c b/ui-shared.c index 015c52b..538ddda 100644 --- a/ui-shared.c +++ b/ui-shared.c @@ -36,10 +36,7 @@ void cgit_print_error(char *msg) char *cgit_httpscheme() { - char *https; - - https = getenv("HTTPS"); - if (https != NULL && strcmp(https, "on") == 0) + if (ctx.env.https && !strcmp(ctx.env.https, "on")) return "https://"; else return "http://"; @@ -47,22 +44,13 @@ char *cgit_httpscheme() char *cgit_hosturl() { - char *host, *port; - - host = getenv("HTTP_HOST"); - if (host) { - host = xstrdup(host); - } else { - host = getenv("SERVER_NAME"); - if (!host) - return NULL; - port = getenv("SERVER_PORT"); - if (port && atoi(port) != 80) - host = xstrdup(fmt("%s:%d", host, atoi(port))); - else - host = xstrdup(host); - } - return host; + if (ctx.env.http_host) + return ctx.env.http_host; + if (!ctx.env.server_name) + return NULL; + if (!ctx.env.server_port || atoi(ctx.env.server_port) == 80) + return ctx.env.server_name; + return xstrdup(fmt("%s:%s", ctx.env.server_name, ctx.env.server_port)); } char *cgit_rooturl() @@ -467,8 +455,6 @@ void cgit_print_age(time_t t, time_t max_relative, char *format) void cgit_print_http_headers(struct cgit_context *ctx) { - const char *method = getenv("REQUEST_METHOD"); - if (ctx->cfg.embedded) return; @@ -489,7 +475,7 @@ void cgit_print_http_headers(struct cgit_context *ctx) if (ctx->page.etag) htmlf("ETag: \"%s\"\n", ctx->page.etag); html("\n"); - if (method && !strcmp(method, "HEAD")) + if (ctx->env.request_method && !strcmp(ctx->env.request_method, "HEAD")) exit(0); } -- cgit v0.10.1 From 8b2252b0b61617e9de9d9e9ba743881ad62523af Mon Sep 17 00:00:00 2001 From: Lars Hjemli Date: Mon, 10 Aug 2009 09:20:17 +0200 Subject: ui-shared: add support for NO_HTTP=1/--nohttp cgit_print_http_headers() used to do nothing if 'embedded' was specified in cgitrc, but that was wrong - we never want to skip the headers when invoked as a CGI app. Sadly, there's no easy way to detect if we're invoked as a CGI app or if we're invoked by another CGI app, so for the latter case cgit needs to be invoked with either --nohttp on the command line or NO_HTTP=1 in the environment. Signed-off-by: Lars Hjemli diff --git a/cgit.c b/cgit.c index a92383d..36777b5 100644 --- a/cgit.c +++ b/cgit.c @@ -253,6 +253,7 @@ static void prepare_context(struct cgit_context *ctx) 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")); @@ -445,6 +446,9 @@ static void cgit_parse_args(int argc, const char **argv) 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); } diff --git a/cgit.h b/cgit.h index 893231d..d90ccdc 100644 --- a/cgit.h +++ b/cgit.h @@ -211,6 +211,7 @@ struct cgit_environment { char *cgit_config; char *http_host; char *https; + char *no_http; char *path_info; char *query_string; char *request_method; diff --git a/ui-shared.c b/ui-shared.c index 538ddda..4175bd8 100644 --- a/ui-shared.c +++ b/ui-shared.c @@ -455,7 +455,7 @@ void cgit_print_age(time_t t, time_t max_relative, char *format) void cgit_print_http_headers(struct cgit_context *ctx) { - if (ctx->cfg.embedded) + if (ctx->env.no_http && !strcmp(ctx->env.no_http, "1")) return; if (ctx->page.status) -- cgit v0.10.1 From 80550bbe028b551550395653d32a0ba50db540ef Mon Sep 17 00:00:00 2001 From: Lars Hjemli Date: Tue, 11 Aug 2009 10:12:35 +0200 Subject: ui-shared: add support for header/footer options when embedded=1 When embedded=1, cgit used to ignore the header and footer options. But honoring these options when embedded=1 makes it possible to "frame" the html fragment generated by cgit with any kind of static content, i.e. it should become easier to integrate cgit with site-specfic layouts. Original-patch-by: Mark Constable Signed-off-by: Lars Hjemli diff --git a/ui-shared.c b/ui-shared.c index 4175bd8..cf06511 100644 --- a/ui-shared.c +++ b/ui-shared.c @@ -481,8 +481,11 @@ void cgit_print_http_headers(struct cgit_context *ctx) void cgit_print_docstart(struct cgit_context *ctx) { - if (ctx->cfg.embedded) + if (ctx->cfg.embedded) { + if (ctx->cfg.header) + html_include(ctx->cfg.header); return; + } char *host = cgit_hosturl(); html(cgit_doctype); @@ -520,7 +523,13 @@ void cgit_print_docstart(struct cgit_context *ctx) void cgit_print_docend() { - html(""); + html(" \n"); + if (ctx.cfg.embedded) { + html(" \n"); + if (ctx.cfg.footer) + html_include(ctx.cfg.footer); + return; + } if (ctx.cfg.footer) html_include(ctx.cfg.footer); else { @@ -529,9 +538,7 @@ void cgit_print_docend() cgit_print_date(time(NULL), FMT_LONGDATE, ctx.cfg.local_time); html("\n"); } - html(""); - if (ctx.cfg.embedded) - return; + html(" \n"); html("\n\n"); } -- cgit v0.10.1