it works, sometimes

author: fxqnlr <[email protected]> 2024-09-20 00:22:43 +0200
committer: fxqnlr <[email protected]> 2024-09-20 00:22:43 +0200
commit: 9c5783f030d7c876ccf6e05e8182d88f84a97fc3 (patch)
tree: 150f2cccd904d1ed787cc6f413a12960ef26e5d2
parent: f0b8e96b51b1a8b19365c9d010639c8d67a42506 (diff)
download: asmsite-9c5783f030d7c876ccf6e05e8182d88f84a97fc3.tar
asmsite-9c5783f030d7c876ccf6e05e8182d88f84a97fc3.tar.gz
asmsite-9c5783f030d7c876ccf6e05e8182d88f84a97fc3.zip
3 files changed, 82 insertions, 31 deletions
diff --git a/debug b/debug
new file mode 100755
index 0000000..a0634a1
--- /dev/null
+++ b/debug
Binary files differ
diff --git a/main.asm b/main.asm
index 7644482..8c19651 100644
--- a/main.asm
+++ b/main.asm
@@ -2,26 +2,53 @@ include 'sys.asm'
 format ELF64 executable
-segment writable readable
 struc db [data]
 {
  common
    . db data
    .size = $ - .
 }
+segment writable readable
+connect_header db 'HTTP/1.1 200 OK', 13, 10
+            db 'Content-Type: text/html', 13, 10
+            db 'Connection: close', 13, 10
+            db 13, 10
+            db '<!DOCTYPE html><html><head><title>asmsite</title></head><body>Hello, World!</body></html>', 10
+connect_header_len = $ - connect_header
 stat_msg db 'Get file stats', 10
 open_msg db 'Open file', 10
 read_msg db 'Read file', 10
 close_msg db 'Close file', 10
+socket_msg db 'Open socket', 10
+bind_msg db 'Bind socket', 10
+listen_msg db 'Listen', 10
+accept_msg db 'Wait for connection', 10
 msg_dn db ':', 10
 indexname db 'index.html'
-;; indexstat stat
+indexlen dq 0
-indexlen rq 1
+indexfd dd -1
+socketfd dd -1
+connfd dd -1
-indexfd dd 0
+indexbuf dd 0
-indexbuf dd ?
+indexbuf_len dq 0
-indexbuf_len rq 1
+struc servaddr_in
+{
+  .sin_family dw 0
+  .sin_port dw 0
+  .sin_addr dd 0
+  .sin_zero dq 0
+  ;; .size = $ - .sin_family
+}
+serveraddr servaddr_in
+serveraddr_len = $ - serveraddr.sin_family
+clientaddr servaddr_in
+clientaddr_len dd serveraddr_len
 segment readable executable
@@ -50,10 +77,46 @@ _main:
  cmp qword rax, 0
  jl error
+  ls_write STDOUT, socket_msg, socket_msg.size
+  ls_socket AF_INET, SOCK_STREAM, 0
+  mov qword [socketfd], rax
+  cmp [socketfd], 0
+  jl error
+  ls_write STDOUT, bind_msg, bind_msg.size
+  mov [serveraddr.sin_family], AF_INET
+  mov [serveraddr.sin_port], 0xb80b
+  mov [serveraddr.sin_addr], INADDR_ANY
+  ls_bind qword [socketfd], serveraddr, serveraddr_len
+  cmp rax, 0
+  jl error
+  ls_write STDOUT, listen_msg, listen_msg.size
+  ls_listen qword [socketfd], 5
+  cmp rax, 0
+  jl error
+listen:
+  ls_write STDOUT, accept_msg, accept_msg.size
+  ls_accept qword [socketfd], clientaddr, clientaddr_len
+  cmp rax, 0
+  jl error
+  mov qword [connfd], rax
+  ls_write qword [connfd], connect_header, connect_header_len
+  ls_close qword [connfd]
+  jmp listen
+  
+  ls_close qword [indexfd]
+  ls_close qword [socketfd]
+  ls_close qword [connfd]
  ls_exit 0
 error:
  ls_close qword [indexfd]
+  ls_close qword [socketfd]
+  ls_close qword [connfd]
  ls_exit 1
diff --git a/sys.asm b/sys.asm
index b9ab190..a237890 100644
--- a/sys.asm
+++ b/sys.asm
@@ -6,6 +6,10 @@ O_RDONLY equ 0
 O_WRONLY equ 1
 O_RDWR equ 2
+AF_INET equ 2
+SOCK_STREAM equ 1
+INADDR_ANY equ 0
 macro scall1 v_rax, v_rdi
 {
  mov rax, v_rax
@@ -38,31 +42,15 @@ macro ls_open filename, flags, mode { scall3 2, filename, flags, mode }
 macro ls_close fd { scall1 3, fd }
-;; kernel: arch/x86/include/uapi/asm/stat.h
+;; macro ls_stat filename, statbuf { scall2 4, filename, statbuf }
-;; struc stat
-;; {
+macro ls_socket family, type, protocol { scall3 41, family, type, protocol }
-;;   .st_dev rd 1
-;;   .st_ino rd 1
+macro ls_accept fd, upeer_sockaddr, upeer_addrlen { scall3 43, fd, upeer_sockaddr, upeer_addrlen }
-;;   .st_mode rw 1
-;;   .st_nlink rw 1
+macro ls_bind fd, umyaddr, addrlen { scall3 49, fd, umyaddr, addrlen }
-;;   .st_uid rw 1
-;;   .st_gid rw 1
+macro ls_listen fd, backlog { scall2 50, fd, backlog }
-;;   .st_rdev rd 1
-;;   .st_size rd 1
-;;   .st_blksize rd 1
-;;   .st_blocks rd 1
-;; 
-;;   .st_atime rd 1
-;;   .st_atime_nsec rd 1
-;;   .st_mtime rd 1
-;;   .st_mtime_nsec rd 1
-;;   .st_ctime rd 1
-;;   .st_ctime_nsec rd 1
-;; 
-;;   .__unused4 rd 1
-;;   .__unused5 rd 1
-;; }
-macro ls_stat filename, statbuf { scall2 4, filename, statbuf }
 macro ls_exit status { scall1 60, status }
author	fxqnlr <[email protected]>	2024-09-20 00:22:43 +0200
committer	fxqnlr <[email protected]>	2024-09-20 00:22:43 +0200
commit	9c5783f030d7c876ccf6e05e8182d88f84a97fc3 (patch)
tree	150f2cccd904d1ed787cc6f413a12960ef26e5d2
parent	f0b8e96b51b1a8b19365c9d010639c8d67a42506 (diff)
download	asmsite-9c5783f030d7c876ccf6e05e8182d88f84a97fc3.tar asmsite-9c5783f030d7c876ccf6e05e8182d88f84a97fc3.tar.gz asmsite-9c5783f030d7c876ccf6e05e8182d88f84a97fc3.zip

diff --git a/debug b/debug new file mode 100755 index 0000000..a0634a1 --- /dev/null +++ b/debug
Binary files differ


diff --git a/main.asm b/main.asm index 7644482..8c19651 100644 --- a/main.asm +++ b/main.asm
@@ -2,26 +2,53 @@ include 'sys.asm'
2		2
3	format ELF64 executable	3	format ELF64 executable
4		4
5	segment writable readable
6	struc db [data]	5	struc db [data]
7	{	6	{
8	common	7	common
9	. db data	8	. db data
10	.size = $ - .	9	.size = $ - .
11	}	10	}
		11
		12	segment writable readable
		13	connect_header db 'HTTP/1.1 200 OK', 13, 10
		14	db 'Content-Type: text/html', 13, 10
		15	db 'Connection: close', 13, 10
		16	db 13, 10
		17	db '<!DOCTYPE html><html><head><title>asmsite</title></head><body>Hello, World!</body></html>', 10
		18	connect_header_len = $ - connect_header
		19
12	stat_msg db 'Get file stats', 10	20	stat_msg db 'Get file stats', 10
13	open_msg db 'Open file', 10	21	open_msg db 'Open file', 10
14	read_msg db 'Read file', 10	22	read_msg db 'Read file', 10
15	close_msg db 'Close file', 10	23	close_msg db 'Close file', 10
		24	socket_msg db 'Open socket', 10
		25	bind_msg db 'Bind socket', 10
		26	listen_msg db 'Listen', 10
		27	accept_msg db 'Wait for connection', 10
16	msg_dn db ':', 10	28	msg_dn db ':', 10
17		29
18	indexname db 'index.html'	30	indexname db 'index.html'
19	;; indexstat stat	31	indexlen dq 0
20	indexlen rq 1	32
		33	indexfd dd -1
		34	socketfd dd -1
		35	connfd dd -1
21		36
22	indexfd dd 0	37	indexbuf dd 0
23	indexbuf dd ?	38	indexbuf_len dq 0
24	indexbuf_len rq 1	39
		40	struc servaddr_in
		41	{
		42	.sin_family dw 0
		43	.sin_port dw 0
		44	.sin_addr dd 0
		45	.sin_zero dq 0
		46	;; .size = $ - .sin_family
		47	}
		48	serveraddr servaddr_in
		49	serveraddr_len = $ - serveraddr.sin_family
		50	clientaddr servaddr_in
		51	clientaddr_len dd serveraddr_len
25		52
26	segment readable executable	53	segment readable executable
27		54
@@ -50,10 +77,46 @@ _main:
50	cmp qword rax, 0	77	cmp qword rax, 0
51	jl error	78	jl error
52		79
		80	ls_write STDOUT, socket_msg, socket_msg.size
		81	ls_socket AF_INET, SOCK_STREAM, 0
		82	mov qword [socketfd], rax
		83	cmp [socketfd], 0
		84	jl error
		85
		86	ls_write STDOUT, bind_msg, bind_msg.size
		87	mov [serveraddr.sin_family], AF_INET
		88	mov [serveraddr.sin_port], 0xb80b
		89	mov [serveraddr.sin_addr], INADDR_ANY
		90	ls_bind qword [socketfd], serveraddr, serveraddr_len
		91	cmp rax, 0
		92	jl error
53		93
		94	ls_write STDOUT, listen_msg, listen_msg.size
		95	ls_listen qword [socketfd], 5
		96	cmp rax, 0
		97	jl error
		98
		99	listen:
		100	ls_write STDOUT, accept_msg, accept_msg.size
		101	ls_accept qword [socketfd], clientaddr, clientaddr_len
		102	cmp rax, 0
		103	jl error
54		104
		105	mov qword [connfd], rax
		106
		107	ls_write qword [connfd], connect_header, connect_header_len
		108
		109	ls_close qword [connfd]
		110
		111	jmp listen
		112
		113	ls_close qword [indexfd]
		114	ls_close qword [socketfd]
		115	ls_close qword [connfd]
55	ls_exit 0	116	ls_exit 0
56		117
57	error:	118	error:
58	ls_close qword [indexfd]	119	ls_close qword [indexfd]
		120	ls_close qword [socketfd]
		121	ls_close qword [connfd]
59	ls_exit 1	122	ls_exit 1


diff --git a/sys.asm b/sys.asm index b9ab190..a237890 100644 --- a/sys.asm +++ b/sys.asm
@@ -6,6 +6,10 @@ O_RDONLY equ 0
6	O_WRONLY equ 1	6	O_WRONLY equ 1
7	O_RDWR equ 2	7	O_RDWR equ 2
8		8
		9	AF_INET equ 2
		10	SOCK_STREAM equ 1
		11	INADDR_ANY equ 0
		12
9	macro scall1 v_rax, v_rdi	13	macro scall1 v_rax, v_rdi
10	{	14	{
11	mov rax, v_rax	15	mov rax, v_rax
@@ -38,31 +42,15 @@ macro ls_open filename, flags, mode { scall3 2, filename, flags, mode }
38		42
39	macro ls_close fd { scall1 3, fd }	43	macro ls_close fd { scall1 3, fd }
40		44
41	;; kernel: arch/x86/include/uapi/asm/stat.h	45	;; macro ls_stat filename, statbuf { scall2 4, filename, statbuf }
42	;; struc stat	46
43	;; {	47	macro ls_socket family, type, protocol { scall3 41, family, type, protocol }
44	;; .st_dev rd 1	48
45	;; .st_ino rd 1	49	macro ls_accept fd, upeer_sockaddr, upeer_addrlen { scall3 43, fd, upeer_sockaddr, upeer_addrlen }
46	;; .st_mode rw 1	50
47	;; .st_nlink rw 1	51	macro ls_bind fd, umyaddr, addrlen { scall3 49, fd, umyaddr, addrlen }
48	;; .st_uid rw 1	52
49	;; .st_gid rw 1	53	macro ls_listen fd, backlog { scall2 50, fd, backlog }
50	;; .st_rdev rd 1
51	;; .st_size rd 1
52	;; .st_blksize rd 1
53	;; .st_blocks rd 1
54	;;
55	;; .st_atime rd 1
56	;; .st_atime_nsec rd 1
57	;; .st_mtime rd 1
58	;; .st_mtime_nsec rd 1
59	;; .st_ctime rd 1
60	;; .st_ctime_nsec rd 1
61	;;
62	;; .__unused4 rd 1
63	;; .__unused5 rd 1
64	;; }
65	macro ls_stat filename, statbuf { scall2 4, filename, statbuf }
66		54
67	macro ls_exit status { scall1 60, status }	55	macro ls_exit status { scall1 60, status }
68		56