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| Rev 2994 | Rev 2995 | ||
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| 13 | ;; GNU GENERAL PUBLIC LICENSE ;; |
13 | ;; GNU GENERAL PUBLIC LICENSE ;; |
| 14 | ;; Version 2, June 1991 ;; |
14 | ;; Version 2, June 1991 ;; |
| 15 | ;; ;; |
15 | ;; ;; |
| 16 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
16 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
| Line 17... | Line 17... | ||
| 17 | 17 | ||
| Line 18... | Line 18... | ||
| 18 | $Revision: 2994 $ |
18 | $Revision: 2995 $ |
| Line 19... | Line 19... | ||
| 19 | 19 | ||
| Line 42... | Line 42... | ||
| 42 | 42 | ||
| Line 43... | Line 43... | ||
| 43 | ends |
43 | ends |
| Line 44... | Line 44... | ||
| 44 | 44 | ||
| 45 | struct IP_SOCKET SOCKET |
45 | struct IP_SOCKET SOCKET |
| Line 46... | Line 46... | ||
| 46 | 46 | ||
| Line 47... | Line 47... | ||
| 47 | LocalIP rd 4 |
47 | LocalIP rd 4 ; network byte order |
| Line 48... | Line 48... | ||
| 48 | RemoteIP rd 4 |
48 | RemoteIP rd 4 ; network byte order |
| 49 | 49 | ||
| Line 50... | Line 50... | ||
| 50 | ends |
50 | ends |
| 51 | 51 | ||
| 52 | struct TCP_SOCKET IP_SOCKET |
52 | struct TCP_SOCKET IP_SOCKET |
| 53 | 53 | ||
| Line 139... | Line 139... | ||
| 139 | 139 | ||
| Line 140... | Line 140... | ||
| 140 | ends |
140 | ends |
| Line 141... | Line 141... | ||
| 141 | 141 | ||
| 142 | struct UDP_SOCKET IP_SOCKET |
142 | struct UDP_SOCKET IP_SOCKET |
| 143 | 143 | ||
| Line 144... | Line 144... | ||
| 144 | LocalPort dw ? |
144 | LocalPort dw ? ; network byte order |
| Line 211... | Line 211... | ||
| 211 | pseudo_random eax |
211 | pseudo_random eax |
| 212 | cmp ax, MIN_EPHEMERAL_PORT |
212 | cmp ax, MIN_EPHEMERAL_PORT |
| 213 | jb @r |
213 | jb @r |
| 214 | cmp ax, MAX_EPHEMERAL_PORT |
214 | cmp ax, MAX_EPHEMERAL_PORT |
| 215 | ja @r |
215 | ja @r |
| - | 216 | xchg al, ah |
|
| 216 | mov [last_UDP_port], ax |
217 | mov [last_UDP_port], ax |
| Line 217... | Line 218... | ||
| 217 | 218 | ||
| 218 | @@: |
219 | @@: |
| 219 | pseudo_random eax |
220 | pseudo_random eax |
| 220 | cmp ax, MIN_EPHEMERAL_PORT |
221 | cmp ax, MIN_EPHEMERAL_PORT |
| 221 | jb @r |
222 | jb @r |
| 222 | cmp ax, MAX_EPHEMERAL_PORT |
223 | cmp ax, MAX_EPHEMERAL_PORT |
| - | 224 | ja @r |
|
| 223 | ja @r |
225 | xchg al, ah |
| Line 224... | Line 226... | ||
| 224 | mov [last_TCP_port], ax |
226 | mov [last_TCP_port], ax |
| Line 444... | Line 446... | ||
| 444 | mov ebx, [NET_DEFAULT] |
446 | mov ebx, [NET_DEFAULT] |
| 445 | mov ebx, [IP_LIST + 4*ebx] |
447 | mov ebx, [IP_LIST + 4*ebx] |
| 446 | @@: |
448 | @@: |
| 447 | mov [eax + IP_SOCKET.LocalIP], ebx |
449 | mov [eax + IP_SOCKET.LocalIP], ebx |
| Line 448... | Line 450... | ||
| 448 | 450 | ||
| 449 | mov bx, [edx + 2] ; Now fill in the port if it's still available |
451 | mov bx, [edx + 2] ; Now fill in the local port if it's still available |
| 450 | call SOCKET_check_port |
452 | call SOCKET_check_port |
| Line 451... | Line 453... | ||
| 451 | jz s_error ; ZF is set by socket_check_port, on error |
453 | jz s_error ; ZF is set by socket_check_port, on error |
| 452 | 454 | ||
| Line 1104... | Line 1106... | ||
| 1104 | je .udp |
1106 | je .udp |
| Line 1105... | Line 1107... | ||
| 1105 | 1107 | ||
| 1106 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
1108 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
| Line 1107... | Line -... | ||
| 1107 | je .tcp |
- | |
| 1108 | - | ||
| 1109 | jmp .error |
- | |
| 1110 | - | ||
| 1111 | .done: |
- | |
| 1112 | mov [eax + UDP_SOCKET.LocalPort], bx |
1109 | je .tcp |
| 1113 | .error: |
1110 | |
| Line 1114... | Line 1111... | ||
| 1114 | pop ecx esi ebx |
1111 | pop ecx esi ebx |
| 1115 | ret |
1112 | ret |
| 1116 | 1113 | ||
| 1117 | .udp: |
1114 | .udp: |
| - | 1115 | mov bx, [last_UDP_port] |
|
| 1118 | mov bx, [last_UDP_port] |
1116 | call .findit |
| - | 1117 | mov [last_UDP_port], bx |
|
| Line 1119... | Line 1118... | ||
| 1119 | call .findit |
1118 | |
| 1120 | mov [last_UDP_port], bx |
1119 | pop ecx esi ebx |
| 1121 | jmp .done |
1120 | ret |
| 1122 | 1121 | ||
| - | 1122 | .tcp: |
|
| 1123 | .tcp: |
1123 | mov bx, [last_TCP_port] |
| - | 1124 | call .findit |
|
| Line 1124... | Line 1125... | ||
| 1124 | mov bx, [last_TCP_port] |
1125 | mov [last_TCP_port], bx |
| 1125 | call .findit |
1126 | |
| 1126 | mov [last_TCP_port], bx |
1127 | pop ecx esi ebx |
| - | 1128 | ret |
|
| 1127 | jmp .done |
1129 | |
| Line 1128... | Line 1130... | ||
| 1128 | 1130 | ||
| 1129 | 1131 | .restart: |
|
| Line 1130... | Line 1132... | ||
| 1130 | .restart: |
1132 | mov bx, MIN_EPHEMERAL_PORT_N |
| 1131 | mov bx, MIN_EPHEMERAL_PORT |
1133 | .findit: |
| 1132 | .findit: |
- | |
| 1133 | inc bx |
1134 | cmp bx, MAX_EPHEMERAL_PORT_N |
| Line 1134... | Line 1135... | ||
| 1134 | 1135 | je .restart |
|
| Line 1148... | Line 1149... | ||
| 1148 | ; |
1149 | ; |
| 1149 | ; Checks if a local port number is unused |
1150 | ; Checks if a local port number is unused |
| 1150 | ; If the proposed port number is unused, it is filled in in the socket structure |
1151 | ; If the proposed port number is unused, it is filled in in the socket structure |
| 1151 | ; |
1152 | ; |
| 1152 | ; IN: eax = socket ptr (to find out if its a TCP/UDP socket) |
1153 | ; IN: eax = socket ptr (to find out if its a TCP/UDP socket) |
| 1153 | ; bx = proposed socket number |
1154 | ; bx = proposed socket number (network byte order) |
| 1154 | ; |
1155 | ; |
| 1155 | ; OUT: ZF = cleared on error |
1156 | ; OUT: ZF = set on error |
| 1156 | ; |
1157 | ; |
| 1157 | ;----------------------------------------------------------------- |
1158 | ;----------------------------------------------------------------- |
| 1158 | align 4 |
1159 | align 4 |
| 1159 | SOCKET_check_port: |
1160 | SOCKET_check_port: |
| Line 1180... | Line 1181... | ||
| 1180 | 1181 | ||
| 1181 | DEBUGF 1,"local port %u already in use\n", bx |
1182 | DEBUGF 1,"local port %u already in use\n", bx |
| Line 1182... | Line 1183... | ||
| 1182 | ret |
1183 | ret |
| 1183 | 1184 | ||
| 1184 | .port_ok: |
1185 | .port_ok: |
| 1185 | DEBUGF 1,"local port %u is free\n", bx |
1186 | DEBUGF 1,"local port %x is free\n", bx ; FIXME: find a way to print big endian values with debugf |
| 1186 | mov [eax + UDP_SOCKET.LocalPort], bx |
- | |
| 1187 | or bx, bx ; set the zero-flag |
1187 | mov [eax + UDP_SOCKET.LocalPort], bx |
| Line 1188... | Line 1188... | ||
| 1188 | 1188 | or bx, bx ; clear the zero-flag |
|