X-Git-Url: http://git.ozo.com/?a=blobdiff_plain;f=package%2Fuhttpd%2Fsrc%2Fuhttpd-file.c;h=816a69124ed47d1e214152aedfff5ac05a777fb5;hb=HEAD;hp=ef9a77b6cce4f4f5ed21bbe23842a03880758341;hpb=d323f5c87032ffa69c847eaf2c7eb39999ec9d36;p=openwrt-10.03%2F.git diff --git a/package/uhttpd/src/uhttpd-file.c b/package/uhttpd/src/uhttpd-file.c index ef9a77b6c..816a69124 100644 --- a/package/uhttpd/src/uhttpd-file.c +++ b/package/uhttpd/src/uhttpd-file.c @@ -1,7 +1,7 @@ /* * uhttpd - Tiny single-threaded httpd - Static file handler * - * Copyright (C) 2010 Jo-Philipp Wich + * Copyright (C) 2010-2011 Jo-Philipp Wich * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -37,7 +37,7 @@ static const char * uh_file_mime_lookup(const char *path) while( e >= path ) { - if( (*e == '.') && !strcasecmp(&e[1], m->extn) ) + if( (*e == '.' || *e == '/') && !strcasecmp(&e[1], m->extn) ) return m->mime; e--; @@ -97,10 +97,8 @@ static char * uh_file_header_lookup(struct http_request *req, const char *name) return NULL; } -#define ensure_ret(x) \ - do { if( x < 0 ) return; } while(0) -static void uh_file_response_ok_hdrs(struct client *cl, struct http_request *req, struct stat *s) +static int uh_file_response_ok_hdrs(struct client *cl, struct http_request *req, struct stat *s) { ensure_ret(uh_http_sendf(cl, NULL, "Connection: close\r\n")); @@ -110,29 +108,29 @@ static void uh_file_response_ok_hdrs(struct client *cl, struct http_request *req ensure_ret(uh_http_sendf(cl, NULL, "Last-Modified: %s\r\n", uh_file_unix2date(s->st_mtime))); } - ensure_ret(uh_http_sendf(cl, NULL, "Date: %s\r\n", uh_file_unix2date(time(NULL)))); + return uh_http_sendf(cl, NULL, "Date: %s\r\n", uh_file_unix2date(time(NULL))); } -static void uh_file_response_200(struct client *cl, struct http_request *req, struct stat *s) +static int uh_file_response_200(struct client *cl, struct http_request *req, struct stat *s) { ensure_ret(uh_http_sendf(cl, NULL, "HTTP/%.1f 200 OK\r\n", req->version)); - uh_file_response_ok_hdrs(cl, req, s); + return uh_file_response_ok_hdrs(cl, req, s); } -static void uh_file_response_304(struct client *cl, struct http_request *req, struct stat *s) +static int uh_file_response_304(struct client *cl, struct http_request *req, struct stat *s) { ensure_ret(uh_http_sendf(cl, NULL, "HTTP/%.1f 304 Not Modified\r\n", req->version)); - uh_file_response_ok_hdrs(cl, req, s); + return uh_file_response_ok_hdrs(cl, req, s); } -static void uh_file_response_412(struct client *cl, struct http_request *req) +static int uh_file_response_412(struct client *cl, struct http_request *req) { - ensure_ret(uh_http_sendf(cl, NULL, + return uh_http_sendf(cl, NULL, "HTTP/%.1f 412 Precondition Failed\r\n" - "Connection: close\r\n", req->version)); + "Connection: close\r\n", req->version); } -static int uh_file_if_match(struct client *cl, struct http_request *req, struct stat *s) +static int uh_file_if_match(struct client *cl, struct http_request *req, struct stat *s, int *ok) { const char *tag = uh_file_mktag(s); char *hdr = uh_file_header_lookup(req, "If-Match"); @@ -152,43 +150,44 @@ static int uh_file_if_match(struct client *cl, struct http_request *req, struct } else if( !strcmp(p, "*") || !strcmp(p, tag) ) { - return 1; + *ok = 1; + return *ok; } } - uh_file_response_412(cl, req); - return 0; + *ok = 0; + ensure_ret(uh_file_response_412(cl, req)); + return *ok; } - return 1; + *ok = 1; + return *ok; } -static int uh_file_if_modified_since(struct client *cl, struct http_request *req, struct stat *s) +static int uh_file_if_modified_since(struct client *cl, struct http_request *req, struct stat *s, int *ok) { char *hdr = uh_file_header_lookup(req, "If-Modified-Since"); + *ok = 1; if( hdr ) { - if( uh_file_date2unix(hdr) < s->st_mtime ) + if( uh_file_date2unix(hdr) >= s->st_mtime ) { - return 1; - } - else - { - uh_file_response_304(cl, req, s); - return 0; + *ok = 0; + ensure_ret(uh_file_response_304(cl, req, s)); } } - return 1; + return *ok; } -static int uh_file_if_none_match(struct client *cl, struct http_request *req, struct stat *s) +static int uh_file_if_none_match(struct client *cl, struct http_request *req, struct stat *s, int *ok) { const char *tag = uh_file_mktag(s); char *hdr = uh_file_header_lookup(req, "If-None-Match"); char *p; int i; + *ok = 1; if( hdr ) { @@ -203,53 +202,54 @@ static int uh_file_if_none_match(struct client *cl, struct http_request *req, st } else if( !strcmp(p, "*") || !strcmp(p, tag) ) { + *ok = 0; + if( (req->method == UH_HTTP_MSG_GET) || (req->method == UH_HTTP_MSG_HEAD) ) - uh_file_response_304(cl, req, s); + ensure_ret(uh_file_response_304(cl, req, s)); else - uh_file_response_412(cl, req); + ensure_ret(uh_file_response_412(cl, req)); - return 0; + break; } } } - return 1; + return *ok; } -static int uh_file_if_range(struct client *cl, struct http_request *req, struct stat *s) +static int uh_file_if_range(struct client *cl, struct http_request *req, struct stat *s, int *ok) { char *hdr = uh_file_header_lookup(req, "If-Range"); + *ok = 1; if( hdr ) { - uh_file_response_412(cl, req); - return 0; + *ok = 0; + ensure_ret(uh_file_response_412(cl, req)); } - return 1; + return *ok; } -static int uh_file_if_unmodified_since(struct client *cl, struct http_request *req, struct stat *s) +static int uh_file_if_unmodified_since(struct client *cl, struct http_request *req, struct stat *s, int *ok) { char *hdr = uh_file_header_lookup(req, "If-Unmodified-Since"); + *ok = 1; if( hdr ) { if( uh_file_date2unix(hdr) <= s->st_mtime ) { - uh_file_response_412(cl, req); - return 0; + *ok = 0; + ensure_ret(uh_file_response_412(cl, req)); } } - return 1; + return *ok; } -#define ensure_out(x) \ - do { if( x < 0 ) goto out; } while(0) - static int uh_file_scandir_filter_dir(const struct dirent *e) { return strcmp(e->d_name, ".") ? 1 : 0; @@ -335,6 +335,7 @@ out: void uh_file_request(struct client *cl, struct http_request *req, struct path_info *pi) { int rlen; + int ok = 1; int fd = -1; char buf[UH_LIMIT_MSGHEAD]; @@ -342,15 +343,16 @@ void uh_file_request(struct client *cl, struct http_request *req, struct path_in if( (pi->stat.st_mode & S_IFREG) && ((fd = open(pi->phys, O_RDONLY)) > 0) ) { /* test preconditions */ - if( - uh_file_if_modified_since(cl, req, &pi->stat) && - uh_file_if_match(cl, req, &pi->stat) && - uh_file_if_range(cl, req, &pi->stat) && - uh_file_if_unmodified_since(cl, req, &pi->stat) && - uh_file_if_none_match(cl, req, &pi->stat) - ) { + if(ok) ensure_out(uh_file_if_modified_since(cl, req, &pi->stat, &ok)); + if(ok) ensure_out(uh_file_if_match(cl, req, &pi->stat, &ok)); + if(ok) ensure_out(uh_file_if_range(cl, req, &pi->stat, &ok)); + if(ok) ensure_out(uh_file_if_unmodified_since(cl, req, &pi->stat, &ok)); + if(ok) ensure_out(uh_file_if_none_match(cl, req, &pi->stat, &ok)); + + if( ok > 0 ) + { /* write status */ - uh_file_response_200(cl, req, &pi->stat); + ensure_out(uh_file_response_200(cl, req, &pi->stat)); ensure_out(uh_http_sendf(cl, NULL, "Content-Type: %s\r\n", uh_file_mime_lookup(pi->name))); ensure_out(uh_http_sendf(cl, NULL, "Content-Length: %i\r\n", pi->stat.st_size)); @@ -385,7 +387,7 @@ void uh_file_request(struct client *cl, struct http_request *req, struct path_in else if( (pi->stat.st_mode & S_IFDIR) && !cl->server->conf->no_dirlists ) { /* write status */ - uh_file_response_200(cl, req, NULL); + ensure_out(uh_file_response_200(cl, req, NULL)); if( req->version > 1.0 ) ensure_out(uh_http_send(cl, NULL, "Transfer-Encoding: chunked\r\n", -1));