version 1.1, 2012/02/21 23:16:02
|
version 1.1.1.2, 2013/07/22 00:32:35
|
Line 1
|
Line 1
|
/* $Id$ */ |
/* $Id$ */ |
/* MiniUPnP project |
/* MiniUPnP project |
* http://miniupnp.free.fr/ or http://miniupnp.tuxfamily.org/ |
* http://miniupnp.free.fr/ or http://miniupnp.tuxfamily.org/ |
* (c) 2006 Thomas Bernard | * (c) 2006-2012 Thomas Bernard |
* This software is subject to the conditions detailed |
* This software is subject to the conditions detailed |
* in the LICENCE file provided within the distribution */ |
* in the LICENCE file provided within the distribution */ |
|
|
Line 10
|
Line 10
|
#include <stdlib.h> |
#include <stdlib.h> |
#include <stdio.h> |
#include <stdio.h> |
#include <syslog.h> |
#include <syslog.h> |
|
#include <netinet/in.h> |
#include <arpa/inet.h> |
#include <arpa/inet.h> |
#include <unistd.h> |
#include <unistd.h> |
#include "config.h" |
#include "config.h" |
#include "upnppermissions.h" |
#include "upnppermissions.h" |
|
|
|
/* read_permission_line() |
|
* parse the a permission line which format is : |
|
* (deny|allow) [0-9]+(-[0-9]+) ip/mask [0-9]+(-[0-9]+) |
|
* ip/mask is either 192.168.1.1/24 or 192.168.1.1/255.255.255.0 |
|
*/ |
int |
int |
read_permission_line(struct upnpperm * perm, |
read_permission_line(struct upnpperm * perm, |
char * p) |
char * p) |
{ |
{ |
char * q; |
char * q; |
int n_bits; |
int n_bits; |
|
int i; |
|
|
/* first token: (allow|deny) */ |
/* first token: (allow|deny) */ |
while(isspace(*p)) |
while(isspace(*p)) |
Line 39 read_permission_line(struct upnpperm * perm,
|
Line 46 read_permission_line(struct upnpperm * perm,
|
{ |
{ |
return -1; |
return -1; |
} |
} |
|
|
/* second token: eport or eport_min-eport_max */ |
|
while(isspace(*p)) |
while(isspace(*p)) |
p++; |
p++; |
|
|
|
/* second token: eport or eport_min-eport_max */ |
if(!isdigit(*p)) |
if(!isdigit(*p)) |
return -1; |
return -1; |
for(q = p; isdigit(*q); q++); |
for(q = p; isdigit(*q); q++); |
if(*q=='-') |
if(*q=='-') |
{ |
{ |
*q = '\0'; |
*q = '\0'; |
perm->eport_min = (u_short)atoi(p); | i = atoi(p); |
| if(i > 65535) |
| return -1; |
| perm->eport_min = (u_short)i; |
q++; |
q++; |
p = q; |
p = q; |
while(isdigit(*q)) |
while(isdigit(*q)) |
q++; |
q++; |
*q = '\0'; |
*q = '\0'; |
perm->eport_max = (u_short)atoi(p); | i = atoi(p); |
| if(i > 65535) |
| return -1; |
| perm->eport_max = (u_short)i; |
| if(perm->eport_min > perm->eport_max) |
| return -1; |
} |
} |
else | else if(isspace(*q)) |
{ |
{ |
*q = '\0'; |
*q = '\0'; |
perm->eport_min = perm->eport_max = (u_short)atoi(p); | i = atoi(p); |
| if(i > 65535) |
| return -1; |
| perm->eport_min = perm->eport_max = (u_short)i; |
} |
} |
|
else |
|
{ |
|
return -1; |
|
} |
p = q + 1; |
p = q + 1; |
while(isspace(*p)) |
while(isspace(*p)) |
p++; |
p++; |
Line 79 read_permission_line(struct upnpperm * perm,
|
Line 101 read_permission_line(struct upnpperm * perm,
|
p = q; |
p = q; |
while(isdigit(*q)) |
while(isdigit(*q)) |
q++; |
q++; |
*q = '\0'; | if(*q == '.') |
n_bits = atoi(p); | { |
perm->mask.s_addr = htonl(n_bits ? (0xffffffff << (32 - n_bits)) : 0); | while(*q == '.' || isdigit(*q)) |
| q++; |
| if(!isspace(*q)) |
| return -1; |
| *q = '\0'; |
| if(!inet_aton(p, &perm->mask)) |
| return -1; |
| } |
| else if(!isspace(*q)) |
| return -1; |
| else |
| { |
| *q = '\0'; |
| n_bits = atoi(p); |
| if(n_bits > 32) |
| return -1; |
| perm->mask.s_addr = htonl(n_bits ? (0xffffffffu << (32 - n_bits)) : 0); |
| } |
} |
} |
else | else if(isspace(*q)) |
{ |
{ |
*q = '\0'; |
*q = '\0'; |
if(!inet_aton(p, &perm->address)) |
if(!inet_aton(p, &perm->address)) |
return -1; |
return -1; |
perm->mask.s_addr = 0xffffffff; | perm->mask.s_addr = 0xffffffffu; |
} |
} |
|
else |
|
{ |
|
return -1; |
|
} |
p = q + 1; |
p = q + 1; |
|
|
/* fourth token: iport or iport_min-iport_max */ |
/* fourth token: iport or iport_min-iport_max */ |
Line 101 read_permission_line(struct upnpperm * perm,
|
Line 144 read_permission_line(struct upnpperm * perm,
|
if(*q=='-') |
if(*q=='-') |
{ |
{ |
*q = '\0'; |
*q = '\0'; |
perm->iport_min = (u_short)atoi(p); | i = atoi(p); |
| if(i > 65535) |
| return -1; |
| perm->iport_min = (u_short)i; |
q++; |
q++; |
p = q; |
p = q; |
while(isdigit(*q)) |
while(isdigit(*q)) |
q++; |
q++; |
*q = '\0'; |
*q = '\0'; |
perm->iport_max = (u_short)atoi(p); | i = atoi(p); |
| if(i > 65535) |
| return -1; |
| perm->iport_max = (u_short)i; |
| if(perm->iport_min > perm->iport_max) |
| return -1; |
} |
} |
else | else if(isspace(*q) || *q == '\0') |
{ |
{ |
*q = '\0'; |
*q = '\0'; |
perm->iport_min = perm->iport_max = (u_short)atoi(p); | i = atoi(p); |
| if(i > 65535) |
| return -1; |
| perm->iport_min = perm->iport_max = (u_short)i; |
| } |
| else |
| { |
| return -1; |
} |
} |
#ifdef DEBUG |
#ifdef DEBUG |
printf("perm rule added : %s %hu-%hu %08x/%08x %hu-%hu\n", |
printf("perm rule added : %s %hu-%hu %08x/%08x %hu-%hu\n", |