mirror of
https://github.com/DragonOS-Community/DragonOS.git
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新增http server (#265)
* 1.修复了当传入ahci驱动的缓冲区地址为用户缓冲区时,产生的内存越界问题.(采用分配内核缓冲区的方式临时解决) 2.新增http server * 把libssl-dev添加到bootstrap.sh * http_server增加对父级相对路径的安全检查，防止访问系统内的其他文件 * 检查空指针情况 * 解决由于链接时，crt*.o未按照升序排列导致init段链接错误的问题
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27
user/apps/http_server/Makefile
Normal file
27
user/apps/http_server/Makefile
Normal file
@ -0,0 +1,27 @@
|
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CC=$(DragonOS_GCC)/x86_64-elf-gcc
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LD=ld
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OBJCOPY=objcopy
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# 修改这里，把它改为你的relibc的sysroot路径
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||||
RELIBC_OPT=$(DADK_BUILD_CACHE_DIR_RELIBC_0_1_0)
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CFLAGS=-I $(RELIBC_OPT)/include
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tmp_output_dir=$(ROOT_PATH)/bin/tmp/user
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output_dir=$(DADK_BUILD_CACHE_DIR_HTTP_SERVER_0_1_0)
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LIBC_OBJS:=$(shell find $(RELIBC_OPT)/lib -name "*.o" | sort )
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LIBC_OBJS+=$(RELIBC_OPT)/lib/libc.a
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all: main.o
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mkdir -p $(tmp_output_dir)
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$(LD) -b elf64-x86-64 -z muldefs -o $(tmp_output_dir)/http_server $(shell find . -name "*.o") $(LIBC_OBJS) -T link.lds
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$(OBJCOPY) -I elf64-x86-64 -R ".eh_frame" -R ".comment" -O elf64-x86-64 $(tmp_output_dir)/http_server $(output_dir)/http_server.elf
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mv $(output_dir)/http_server.elf $(output_dir)/http_server
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main.o: main.c
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$(CC) $(CFLAGS) -c main.c -o main.o
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clean:
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rm -f *.o
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239
user/apps/http_server/link.lds
Normal file
239
user/apps/http_server/link.lds
Normal file
@ -0,0 +1,239 @@
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/* Script for -z combreloc */
|
||||
/* Copyright (C) 2014-2020 Free Software Foundation, Inc.
|
||||
Copying and distribution of this script, with or without modification,
|
||||
are permitted in any medium without royalty provided the copyright
|
||||
notice and this notice are preserved. */
|
||||
OUTPUT_FORMAT("elf64-x86-64", "elf64-x86-64",
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"elf64-x86-64")
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OUTPUT_ARCH(i386:x86-64)
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ENTRY(_start)
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SECTIONS
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{
|
||||
/* Read-only sections, merged into text segment: */
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||||
PROVIDE (__executable_start = SEGMENT_START("text-segment", 0x400000)); . = SEGMENT_START("text-segment", 0x20000000) + SIZEOF_HEADERS;
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||||
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|
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|
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|
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|
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|
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|
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. = ALIGN(CONSTANT (MAXPAGESIZE));
|
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.init :
|
||||
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||||
KEEP (*(SORT_NONE(.init)))
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
.text :
|
||||
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|
||||
*(.text.unlikely .text.*_unlikely .text.unlikely.*)
|
||||
*(.text.exit .text.exit.*)
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
KEEP (*(SORT_NONE(.fini)))
|
||||
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|
||||
PROVIDE (__etext = .);
|
||||
PROVIDE (_etext = .);
|
||||
PROVIDE (etext = .);
|
||||
. = ALIGN(CONSTANT (MAXPAGESIZE));
|
||||
/* Adjust the address for the rodata segment. We want to adjust up to
|
||||
the same address within the page on the next page up. */
|
||||
. = SEGMENT_START("rodata-segment", ALIGN(CONSTANT (MAXPAGESIZE)) + (. & (CONSTANT (MAXPAGESIZE) - 1)));
|
||||
.rodata : { *(.rodata .rodata.* .gnu.linkonce.r.*) }
|
||||
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|
||||
.eh_frame_hdr : { *(.eh_frame_hdr) *(.eh_frame_entry .eh_frame_entry.*) }
|
||||
.eh_frame : ONLY_IF_RO { KEEP (*(.eh_frame)) *(.eh_frame.*) }
|
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|
||||
.gnu_extab : ONLY_IF_RO { *(.gnu_extab*) }
|
||||
/* These sections are generated by the Sun/Oracle C++ compiler. */
|
||||
.exception_ranges : ONLY_IF_RO { *(.exception_ranges*) }
|
||||
/* Adjust the address for the data segment. We want to adjust up to
|
||||
the same address within the page on the next page up. */
|
||||
. = DATA_SEGMENT_ALIGN (CONSTANT (MAXPAGESIZE), CONSTANT (COMMONPAGESIZE));
|
||||
/* Exception handling */
|
||||
.eh_frame : ONLY_IF_RW { KEEP (*(.eh_frame)) *(.eh_frame.*) }
|
||||
.gnu_extab : ONLY_IF_RW { *(.gnu_extab) }
|
||||
.gcc_except_table : ONLY_IF_RW { *(.gcc_except_table .gcc_except_table.*) }
|
||||
.exception_ranges : ONLY_IF_RW { *(.exception_ranges*) }
|
||||
/* Thread Local Storage sections */
|
||||
.tdata :
|
||||
{
|
||||
PROVIDE_HIDDEN (__tdata_start = .);
|
||||
*(.tdata .tdata.* .gnu.linkonce.td.*)
|
||||
}
|
||||
.tbss : { *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) }
|
||||
.preinit_array :
|
||||
{
|
||||
PROVIDE_HIDDEN (__preinit_array_start = .);
|
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KEEP (*(.preinit_array))
|
||||
PROVIDE_HIDDEN (__preinit_array_end = .);
|
||||
}
|
||||
.init_array :
|
||||
{
|
||||
PROVIDE_HIDDEN (__init_array_start = .);
|
||||
KEEP (*(SORT_BY_INIT_PRIORITY(.init_array.*) SORT_BY_INIT_PRIORITY(.ctors.*)))
|
||||
KEEP (*(.init_array EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o ) .ctors))
|
||||
PROVIDE_HIDDEN (__init_array_end = .);
|
||||
}
|
||||
.fini_array :
|
||||
{
|
||||
PROVIDE_HIDDEN (__fini_array_start = .);
|
||||
KEEP (*(SORT_BY_INIT_PRIORITY(.fini_array.*) SORT_BY_INIT_PRIORITY(.dtors.*)))
|
||||
KEEP (*(.fini_array EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o ) .dtors))
|
||||
PROVIDE_HIDDEN (__fini_array_end = .);
|
||||
}
|
||||
.ctors :
|
||||
{
|
||||
/* gcc uses crtbegin.o to find the start of
|
||||
the constructors, so we make sure it is
|
||||
first. Because this is a wildcard, it
|
||||
doesn't matter if the user does not
|
||||
actually link against crtbegin.o; the
|
||||
linker won't look for a file to match a
|
||||
wildcard. The wildcard also means that it
|
||||
doesn't matter which directory crtbegin.o
|
||||
is in. */
|
||||
KEEP (*crtbegin.o(.ctors))
|
||||
KEEP (*crtbegin?.o(.ctors))
|
||||
/* We don't want to include the .ctor section from
|
||||
the crtend.o file until after the sorted ctors.
|
||||
The .ctor section from the crtend file contains the
|
||||
end of ctors marker and it must be last */
|
||||
KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .ctors))
|
||||
KEEP (*(SORT(.ctors.*)))
|
||||
KEEP (*(.ctors))
|
||||
}
|
||||
.dtors :
|
||||
{
|
||||
KEEP (*crtbegin.o(.dtors))
|
||||
KEEP (*crtbegin?.o(.dtors))
|
||||
KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .dtors))
|
||||
KEEP (*(SORT(.dtors.*)))
|
||||
KEEP (*(.dtors))
|
||||
}
|
||||
.jcr : { KEEP (*(.jcr)) }
|
||||
.data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro .data.rel.ro.* .gnu.linkonce.d.rel.ro.*) }
|
||||
.dynamic : { *(.dynamic) }
|
||||
.got : { *(.got) *(.igot) }
|
||||
. = DATA_SEGMENT_RELRO_END (SIZEOF (.got.plt) >= 24 ? 24 : 0, .);
|
||||
.got.plt : { *(.got.plt) *(.igot.plt) }
|
||||
.data :
|
||||
{
|
||||
*(.data .data.* .gnu.linkonce.d.*)
|
||||
SORT(CONSTRUCTORS)
|
||||
}
|
||||
.data1 : { *(.data1) }
|
||||
_edata = .; PROVIDE (edata = .);
|
||||
. = .;
|
||||
__bss_start = .;
|
||||
.bss :
|
||||
{
|
||||
*(.dynbss)
|
||||
*(.bss .bss.* .gnu.linkonce.b.*)
|
||||
*(COMMON)
|
||||
/* Align here to ensure that the .bss section occupies space up to
|
||||
_end. Align after .bss to ensure correct alignment even if the
|
||||
.bss section disappears because there are no input sections.
|
||||
FIXME: Why do we need it? When there is no .bss section, we do not
|
||||
pad the .data section. */
|
||||
. = ALIGN(. != 0 ? 64 / 8 : 1);
|
||||
}
|
||||
.lbss :
|
||||
{
|
||||
*(.dynlbss)
|
||||
*(.lbss .lbss.* .gnu.linkonce.lb.*)
|
||||
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|
||||
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|
||||
. = ALIGN(64 / 8);
|
||||
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|
||||
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|
||||
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|
||||
*(.lrodata .lrodata.* .gnu.linkonce.lr.*)
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
. = DATA_SEGMENT_END (.);
|
||||
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|
||||
.stab 0 : { *(.stab) }
|
||||
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|
||||
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|
||||
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|
||||
.stab.index 0 : { *(.stab.index) }
|
||||
.stab.indexstr 0 : { *(.stab.indexstr) }
|
||||
.comment 0 : { *(.comment) }
|
||||
.gnu.build.attributes : { *(.gnu.build.attributes .gnu.build.attributes.*) }
|
||||
/* DWARF debug sections.
|
||||
Symbols in the DWARF debugging sections are relative to the beginning
|
||||
of the section so we begin them at 0. */
|
||||
/* DWARF 1 */
|
||||
.debug 0 : { *(.debug) }
|
||||
.line 0 : { *(.line) }
|
||||
/* GNU DWARF 1 extensions */
|
||||
.debug_srcinfo 0 : { *(.debug_srcinfo) }
|
||||
.debug_sfnames 0 : { *(.debug_sfnames) }
|
||||
/* DWARF 1.1 and DWARF 2 */
|
||||
.debug_aranges 0 : { *(.debug_aranges) }
|
||||
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|
||||
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|
||||
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|
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
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|
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|
||||
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|
||||
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|
||||
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|
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|
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|
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|
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|
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.debug_addr 0 : { *(.debug_addr) }
|
||||
.gnu.attributes 0 : { KEEP (*(.gnu.attributes)) }
|
||||
/DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) }
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}
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238
user/apps/http_server/main.c
Normal file
238
user/apps/http_server/main.c
Normal file
@ -0,0 +1,238 @@
|
||||
#include <arpa/inet.h>
|
||||
#include <fcntl.h>
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <sys/socket.h>
|
||||
#include <sys/stat.h>
|
||||
#include <unistd.h>
|
||||
|
||||
#define PORT 12580
|
||||
#define MAX_REQUEST_SIZE 1500
|
||||
#define MAX_RESPONSE_SIZE 1500
|
||||
// 网页根目录
|
||||
#define WEB_ROOT "/wwwroot/First-WebPage-On-DragonOS"
|
||||
#define EXIT_CODE 1
|
||||
#define min(a, b) ((a) < (b) ? (a) : (b))
|
||||
|
||||
#define DEFAULT_PAGE "/index.html"
|
||||
|
||||
int security_check(char *path)
|
||||
{
|
||||
// 检查路径是否包含 ..
|
||||
if (strstr(path, ".."))
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
return 1;
|
||||
}
|
||||
|
||||
ssize_t send_response(int sockfd, char *response)
|
||||
{
|
||||
return write(sockfd, response, strlen(response));
|
||||
}
|
||||
|
||||
void send_header(int sockfd, int content_length, char *path)
|
||||
{
|
||||
char buffer[MAX_RESPONSE_SIZE];
|
||||
// 获取文件类型
|
||||
char *content_type;
|
||||
if (strstr(path, ".html"))
|
||||
{
|
||||
content_type = "text/html";
|
||||
}
|
||||
else if (strstr(path, ".css"))
|
||||
{
|
||||
content_type = "text/css";
|
||||
}
|
||||
else if (strstr(path, ".js"))
|
||||
{
|
||||
content_type = "application/javascript";
|
||||
}
|
||||
else if (strstr(path, ".png"))
|
||||
{
|
||||
content_type = "image/png";
|
||||
}
|
||||
else if (strstr(path, ".jpg"))
|
||||
{
|
||||
content_type = "image/jpeg";
|
||||
}
|
||||
else if (strstr(path, ".gif"))
|
||||
{
|
||||
content_type = "image/gif";
|
||||
}
|
||||
else
|
||||
{
|
||||
content_type = "text/plain;charset=utf-8";
|
||||
}
|
||||
sprintf(buffer, "HTTP/1.1 200 OK\nContent-Type: %s\nContent-Length: %d\n\n", content_type, content_length);
|
||||
send_response(sockfd, buffer);
|
||||
}
|
||||
|
||||
void send_file(int sockfd, char *path)
|
||||
{
|
||||
printf("send_file: path: %s\n", path);
|
||||
|
||||
int fd = open(path, 0);
|
||||
if (fd == -1)
|
||||
{
|
||||
send_response(
|
||||
sockfd,
|
||||
"HTTP/1.1 404 Not Found\nContent-Type: text/html\n\n<html><body><h1>404 Not Found</h1><p>DragonOS Http Server</p></body></html>");
|
||||
return;
|
||||
}
|
||||
|
||||
int content_length = lseek(fd, 0, SEEK_END);
|
||||
int remaining = content_length;
|
||||
printf("send_file: content_length: %d\n", content_length);
|
||||
lseek(fd, 0, SEEK_SET);
|
||||
send_header(sockfd, content_length, path);
|
||||
|
||||
char buffer[1048576];
|
||||
int readSize;
|
||||
while (remaining)
|
||||
{
|
||||
// 由于磁盘IO耗时较长，所以每次读取1MB，然后再分批发送
|
||||
int to_read = min(1048576, remaining);
|
||||
readSize = read(fd, &buffer, to_read);
|
||||
|
||||
remaining -= readSize;
|
||||
void *p = buffer;
|
||||
while (readSize > 0)
|
||||
{
|
||||
int wsize = write(sockfd, p, min(readSize, MAX_RESPONSE_SIZE));
|
||||
if (wsize <= 0)
|
||||
{
|
||||
printf("send_file failed: wsize: %d\n", wsize);
|
||||
close(fd);
|
||||
return;
|
||||
}
|
||||
p += wsize;
|
||||
readSize -= wsize;
|
||||
}
|
||||
}
|
||||
|
||||
close(fd);
|
||||
}
|
||||
|
||||
void handle_request(int sockfd, char *request)
|
||||
{
|
||||
char *method, *url, *http_version;
|
||||
char path[MAX_REQUEST_SIZE];
|
||||
|
||||
method = strtok(request, " ");
|
||||
url = strtok(NULL, " ");
|
||||
http_version = strtok(NULL, "\r\n");
|
||||
|
||||
printf("handle_request: method: %s, url: %s, http_version: %s\n", method, url, http_version);
|
||||
// 检查空指针等异常情况
|
||||
if (method == NULL || url == NULL || http_version == NULL)
|
||||
{
|
||||
send_response(sockfd, "HTTP/1.1 400 Bad Request\nContent-Type: text/html\n\n<html><body><h1>400 Bad "
|
||||
"Request</h1><p>DragonOS Http Server</p></body></html>");
|
||||
return;
|
||||
}
|
||||
// 检查url是否为空
|
||||
if (strlen(url) == 0)
|
||||
{
|
||||
send_response(sockfd, "HTTP/1.1 400 Bad Request\nContent-Type: text/html\n\n<html><body><h1>400 Bad "
|
||||
"Request</h1><p>DragonOS Http Server</p></body></html>");
|
||||
return;
|
||||
}
|
||||
int default_page = 0;
|
||||
if (url[strlen(url) - 1] == '/')
|
||||
{
|
||||
default_page = 1;
|
||||
}
|
||||
|
||||
if (strcmp(method, "GET") == 0)
|
||||
{
|
||||
if (default_page)
|
||||
{
|
||||
sprintf(path, "%s%s%s", WEB_ROOT, url, DEFAULT_PAGE);
|
||||
}
|
||||
else
|
||||
{
|
||||
sprintf(path, "%s%s", WEB_ROOT, url);
|
||||
}
|
||||
if (!security_check(path))
|
||||
{
|
||||
send_response(
|
||||
sockfd,
|
||||
"HTTP/1.1 403 Forbidden\nContent-Type: text/html\n\n<html><body><h1>403 Forbidden</h1><p>DragonOS Http Server</p></body></html>");
|
||||
return;
|
||||
}
|
||||
send_file(sockfd, path);
|
||||
}
|
||||
else
|
||||
{
|
||||
send_response(sockfd, "HTTP/1.1 501 Not Implemented\nContent-Type: text/html\n\n<html><body><h1>501 Not "
|
||||
"Implemented</h1><p>DragonOS Http Server</p></body></html>");
|
||||
}
|
||||
}
|
||||
|
||||
int main(int argc, char const *argv[])
|
||||
{
|
||||
int server_fd, new_socket, valread;
|
||||
struct sockaddr_in address;
|
||||
int addrlen = sizeof(address);
|
||||
char buffer[MAX_REQUEST_SIZE] = {0};
|
||||
int opt = 1;
|
||||
|
||||
// 创建socket
|
||||
if ((server_fd = socket(AF_INET, SOCK_STREAM, 0)) == 0)
|
||||
{
|
||||
perror("socket failed");
|
||||
exit(EXIT_CODE);
|
||||
}
|
||||
|
||||
// 设置socket选项，允许地址重用
|
||||
// if (setsockopt(server_fd, SOL_SOCKET, SO_REUSEADDR | SO_REUSEPORT, &opt, sizeof(opt)))
|
||||
// {
|
||||
// perror("setsockopt failed");
|
||||
// exit(EXIT_CODE);
|
||||
// }
|
||||
|
||||
// 设置地址和端口
|
||||
address.sin_family = AF_INET;
|
||||
address.sin_addr.s_addr = INADDR_ANY;
|
||||
address.sin_port = htons(PORT);
|
||||
|
||||
// 把socket绑定到地址和端口上
|
||||
if (bind(server_fd, (struct sockaddr *)&address, sizeof(address)) < 0)
|
||||
{
|
||||
perror("bind failed");
|
||||
exit(EXIT_CODE);
|
||||
}
|
||||
|
||||
// 监听socket
|
||||
if (listen(server_fd, 3) < 0)
|
||||
{
|
||||
perror("listen failed");
|
||||
exit(EXIT_CODE);
|
||||
}
|
||||
|
||||
while (1)
|
||||
{
|
||||
printf("Waiting for a client...\n");
|
||||
|
||||
// 等待并接受客户端连接
|
||||
if ((new_socket = accept(server_fd, (struct sockaddr *)&address, (socklen_t *)&addrlen)) < 0)
|
||||
{
|
||||
perror("accept failed");
|
||||
exit(EXIT_CODE);
|
||||
}
|
||||
|
||||
// 接收客户端消息
|
||||
valread = read(new_socket, buffer, MAX_REQUEST_SIZE);
|
||||
printf("%s\n", buffer);
|
||||
|
||||
// 处理请求
|
||||
handle_request(new_socket, buffer);
|
||||
|
||||
// 关闭客户端连接
|
||||
close(new_socket);
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
@ -8,7 +8,7 @@ CFLAGS=-I $(RELIBC_OPT)/include
|
||||
tmp_output_dir=$(ROOT_PATH)/bin/tmp/user
|
||||
output_dir=$(DADK_BUILD_CACHE_DIR_TEST_RELIBC_0_1_0)
|
||||
|
||||
LIBC_OBJS:=$(shell find $(RELIBC_OPT)/lib -name "*.o")
|
||||
LIBC_OBJS:=$(shell find $(RELIBC_OPT)/lib -name "*.o" | sort )
|
||||
LIBC_OBJS+=$(RELIBC_OPT)/lib/libc.a
|
||||
|
||||
all: main.o
|
||||
|
||||
28
user/dadk/config/http_server-0.1.0.dadk
Normal file
28
user/dadk/config/http_server-0.1.0.dadk
Normal file
@ -0,0 +1,28 @@
|
||||
{
|
||||
"name": "Http_Server",
|
||||
"version": "0.1.0",
|
||||
"description": "一个简单的http server",
|
||||
"task_type": {
|
||||
"BuildFromSource": {
|
||||
"Local": {
|
||||
"path": "apps/http_server"
|
||||
}
|
||||
}
|
||||
},
|
||||
"depends": [
|
||||
{
|
||||
"name": "relibc",
|
||||
"version": "0.1.0"
|
||||
}
|
||||
],
|
||||
"build": {
|
||||
"build_command": "make"
|
||||
},
|
||||
"install": {
|
||||
"in_dragonos_path": "/bin"
|
||||
},
|
||||
"clean": {
|
||||
"clean_command": "make clean"
|
||||
},
|
||||
"envs": []
|
||||
}
|
||||
Reference in New Issue
Block a user