From 405e21d16731b2764ab82aaaadcf36a813b105f7 Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Wed, 10 Oct 2012 12:32:29 +0000 Subject: packages: sort network related packages into package/network/ SVN-Revision: 33688 --- package/uhttpd/src/uhttpd-file.c | 438 --------------------------------------- 1 file changed, 438 deletions(-) delete mode 100644 package/uhttpd/src/uhttpd-file.c (limited to 'package/uhttpd/src/uhttpd-file.c') diff --git a/package/uhttpd/src/uhttpd-file.c b/package/uhttpd/src/uhttpd-file.c deleted file mode 100644 index 0bafc2b38c..0000000000 --- a/package/uhttpd/src/uhttpd-file.c +++ /dev/null @@ -1,438 +0,0 @@ -/* - * uhttpd - Tiny single-threaded httpd - Static file handler - * - * Copyright (C) 2010-2012 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. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#define _XOPEN_SOURCE 500 /* strptime() */ -#define _BSD_SOURCE /* scandir(), timegm() */ - -#include "uhttpd.h" -#include "uhttpd-utils.h" -#include "uhttpd-file.h" - -#include "uhttpd-mimetypes.h" - - -static const char * uh_file_mime_lookup(const char *path) -{ - struct mimetype *m = &uh_mime_types[0]; - const char *e; - - while (m->extn) - { - e = &path[strlen(path)-1]; - - while (e >= path) - { - if ((*e == '.' || *e == '/') && !strcasecmp(&e[1], m->extn)) - return m->mime; - - e--; - } - - m++; - } - - return "application/octet-stream"; -} - -static const char * uh_file_mktag(struct stat *s) -{ - static char tag[128]; - - snprintf(tag, sizeof(tag), "\"%x-%x-%x\"", - (unsigned int) s->st_ino, - (unsigned int) s->st_size, - (unsigned int) s->st_mtime); - - return tag; -} - -static time_t uh_file_date2unix(const char *date) -{ - struct tm t; - - memset(&t, 0, sizeof(t)); - - if (strptime(date, "%a, %d %b %Y %H:%M:%S %Z", &t) != NULL) - return timegm(&t); - - return 0; -} - -static char * uh_file_unix2date(time_t ts) -{ - static char str[128]; - struct tm *t = gmtime(&ts); - - strftime(str, sizeof(str), "%a, %d %b %Y %H:%M:%S GMT", t); - - return str; -} - -static char * uh_file_header_lookup(struct client *cl, const char *name) -{ - int i; - - foreach_header(i, cl->request.headers) - { - if (!strcasecmp(cl->request.headers[i], name)) - return cl->request.headers[i+1]; - } - - return NULL; -} - - -static int uh_file_response_ok_hdrs(struct client *cl, struct stat *s) -{ - ensure_ret(uh_http_sendf(cl, NULL, "Connection: close\r\n")); - - if (s) - { - ensure_ret(uh_http_sendf(cl, NULL, "ETag: %s\r\n", uh_file_mktag(s))); - ensure_ret(uh_http_sendf(cl, NULL, "Last-Modified: %s\r\n", - uh_file_unix2date(s->st_mtime))); - } - - return uh_http_sendf(cl, NULL, "Date: %s\r\n", uh_file_unix2date(time(NULL))); -} - -static int uh_file_response_200(struct client *cl, struct stat *s) -{ - ensure_ret(uh_http_sendf(cl, NULL, "%s 200 OK\r\n", - http_versions[cl->request.version])); - - return uh_file_response_ok_hdrs(cl, s); -} - -static int uh_file_response_304(struct client *cl, struct stat *s) -{ - ensure_ret(uh_http_sendf(cl, NULL, "%s 304 Not Modified\r\n", - http_versions[cl->request.version])); - - return uh_file_response_ok_hdrs(cl, s); -} - -static int uh_file_response_412(struct client *cl) -{ - return uh_http_sendf(cl, NULL, - "%s 412 Precondition Failed\r\n" - "Connection: close\r\n", - http_versions[cl->request.version]); -} - -static int uh_file_if_match(struct client *cl, struct stat *s, int *ok) -{ - const char *tag = uh_file_mktag(s); - char *hdr = uh_file_header_lookup(cl, "If-Match"); - char *p; - int i; - - if (hdr) - { - p = &hdr[0]; - - for (i = 0; i < strlen(hdr); i++) - { - if ((hdr[i] == ' ') || (hdr[i] == ',')) - { - hdr[i++] = 0; - p = &hdr[i]; - } - else if (!strcmp(p, "*") || !strcmp(p, tag)) - { - *ok = 1; - return *ok; - } - } - - *ok = 0; - ensure_ret(uh_file_response_412(cl)); - return *ok; - } - - *ok = 1; - return *ok; -} - -static int uh_file_if_modified_since(struct client *cl, struct stat *s, int *ok) -{ - char *hdr = uh_file_header_lookup(cl, "If-Modified-Since"); - *ok = 1; - - if (hdr) - { - if (uh_file_date2unix(hdr) >= s->st_mtime) - { - *ok = 0; - ensure_ret(uh_file_response_304(cl, s)); - } - } - - return *ok; -} - -static int uh_file_if_none_match(struct client *cl, struct stat *s, int *ok) -{ - const char *tag = uh_file_mktag(s); - char *hdr = uh_file_header_lookup(cl, "If-None-Match"); - char *p; - int i; - *ok = 1; - - if (hdr) - { - p = &hdr[0]; - - for (i = 0; i < strlen(hdr); i++) - { - if ((hdr[i] == ' ') || (hdr[i] == ',')) - { - hdr[i++] = 0; - p = &hdr[i]; - } - else if (!strcmp(p, "*") || !strcmp(p, tag)) - { - *ok = 0; - - if ((cl->request.method == UH_HTTP_MSG_GET) || - (cl->request.method == UH_HTTP_MSG_HEAD)) - { - ensure_ret(uh_file_response_304(cl, s)); - } - else - { - ensure_ret(uh_file_response_412(cl)); - } - - break; - } - } - } - - return *ok; -} - -static int uh_file_if_range(struct client *cl, struct stat *s, int *ok) -{ - char *hdr = uh_file_header_lookup(cl, "If-Range"); - *ok = 1; - - if (hdr) - { - *ok = 0; - ensure_ret(uh_file_response_412(cl)); - } - - return *ok; -} - -static int uh_file_if_unmodified_since(struct client *cl, struct stat *s, - int *ok) -{ - char *hdr = uh_file_header_lookup(cl, "If-Unmodified-Since"); - *ok = 1; - - if (hdr) - { - if (uh_file_date2unix(hdr) <= s->st_mtime) - { - *ok = 0; - ensure_ret(uh_file_response_412(cl)); - } - } - - return *ok; -} - - -static int uh_file_scandir_filter_dir(const struct dirent *e) -{ - return strcmp(e->d_name, ".") ? 1 : 0; -} - -static void uh_file_dirlist(struct client *cl, struct path_info *pi) -{ - int i; - int count = 0; - char filename[PATH_MAX]; - char *pathptr; - struct dirent **files = NULL; - struct stat s; - - ensure_out(uh_http_sendf(cl, &cl->request, - "Index of %s" - "

Index of %s

    ", - pi->name, pi->name)); - - if ((count = scandir(pi->phys, &files, uh_file_scandir_filter_dir, - alphasort)) > 0) - { - memset(filename, 0, sizeof(filename)); - memcpy(filename, pi->phys, sizeof(filename)); - pathptr = &filename[strlen(filename)]; - - /* list subdirs */ - for (i = 0; i < count; i++) - { - strncat(filename, files[i]->d_name, - sizeof(filename) - strlen(files[i]->d_name)); - - if (!stat(filename, &s) && - (s.st_mode & S_IFDIR) && (s.st_mode & S_IXOTH)) - { - ensure_out(uh_http_sendf(cl, &cl->request, - "
  1. %s/" - "
    modified: %s" - "
    directory - %.02f kbyte
    " - "
    2. ", - pi->name, files[i]->d_name, - files[i]->d_name, - uh_file_unix2date(s.st_mtime), - s.st_size / 1024.0)); - } - - *pathptr = 0; - } - - /* list files */ - for (i = 0; i < count; i++) - { - strncat(filename, files[i]->d_name, - sizeof(filename) - strlen(files[i]->d_name)); - - if (!stat(filename, &s) && - !(s.st_mode & S_IFDIR) && (s.st_mode & S_IROTH)) - { - ensure_out(uh_http_sendf(cl, &cl->request, - "
  2. %s" - "
    modified: %s" - "
    %s - %.02f kbyte
    " - "
    3. ", - pi->name, files[i]->d_name, - files[i]->d_name, - uh_file_unix2date(s.st_mtime), - uh_file_mime_lookup(filename), - s.st_size / 1024.0)); - } - - *pathptr = 0; - } - } - - ensure_out(uh_http_sendf(cl, &cl->request, "
")); - ensure_out(uh_http_sendf(cl, &cl->request, "")); - -out: - if (files) - { - for (i = 0; i < count; i++) - free(files[i]); - - free(files); - } -} - - -bool uh_file_request(struct client *cl, struct path_info *pi) -{ - int rlen; - int ok = 1; - int fd = -1; - char buf[UH_LIMIT_MSGHEAD]; - - /* we have a file */ - if ((pi->stat.st_mode & S_IFREG) && ((fd = open(pi->phys, O_RDONLY)) > 0)) - { - /* test preconditions */ - if (ok) ensure_out(uh_file_if_modified_since(cl, &pi->stat, &ok)); - if (ok) ensure_out(uh_file_if_match(cl, &pi->stat, &ok)); - if (ok) ensure_out(uh_file_if_range(cl, &pi->stat, &ok)); - if (ok) ensure_out(uh_file_if_unmodified_since(cl, &pi->stat, &ok)); - if (ok) ensure_out(uh_file_if_none_match(cl, &pi->stat, &ok)); - - if (ok > 0) - { - /* write status */ - ensure_out(uh_file_response_200(cl, &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)); - - /* if request was HTTP 1.1 we'll respond chunked */ - if ((cl->request.version > 1.0) && - (cl->request.method != UH_HTTP_MSG_HEAD)) - { - ensure_out(uh_http_send(cl, NULL, - "Transfer-Encoding: chunked\r\n", -1)); - } - - /* close header */ - ensure_out(uh_http_send(cl, NULL, "\r\n", -1)); - - /* send body */ - if (cl->request.method != UH_HTTP_MSG_HEAD) - { - /* pump file data */ - while ((rlen = read(fd, buf, sizeof(buf))) > 0) - ensure_out(uh_http_send(cl, &cl->request, buf, rlen)); - - /* send trailer in chunked mode */ - ensure_out(uh_http_send(cl, &cl->request, "", 0)); - } - } - - /* one of the preconditions failed, terminate opened header and exit */ - else - { - ensure_out(uh_http_send(cl, NULL, "\r\n", -1)); - } - } - - /* directory */ - else if ((pi->stat.st_mode & S_IFDIR) && !cl->server->conf->no_dirlists) - { - /* write status */ - ensure_out(uh_file_response_200(cl, NULL)); - - if (cl->request.version > 1.0) - ensure_out(uh_http_send(cl, NULL, - "Transfer-Encoding: chunked\r\n", -1)); - - ensure_out(uh_http_send(cl, NULL, - "Content-Type: text/html\r\n\r\n", -1)); - - /* content */ - uh_file_dirlist(cl, pi); - } - - /* 403 */ - else - { - ensure_out(uh_http_sendhf(cl, 403, "Forbidden", - "Access to this resource is forbidden")); - } - -out: - if (fd > -1) - close(fd); - - return false; -} -- cgit v1.2.3