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-rw-r--r--old/xenolinux-2.4.16-sparse/arch/xeno/drivers/dom0/vfr.c306
1 files changed, 0 insertions, 306 deletions
diff --git a/old/xenolinux-2.4.16-sparse/arch/xeno/drivers/dom0/vfr.c b/old/xenolinux-2.4.16-sparse/arch/xeno/drivers/dom0/vfr.c
deleted file mode 100644
index 13fe25ec9c..0000000000
--- a/old/xenolinux-2.4.16-sparse/arch/xeno/drivers/dom0/vfr.c
+++ /dev/null
@@ -1,306 +0,0 @@
-/******************************************************************************
- * vfr.c
- *
- * Interface to the virtual firewall/router.
- *
- */
-
-#include <linux/config.h>
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/sched.h>
-#include <linux/slab.h>
-#include <linux/string.h>
-#include <linux/errno.h>
-#include <linux/proc_fs.h>
-
-#include <asm/hypervisor-ifs/network.h>
-
-static struct proc_dir_entry *proc_vfr;
-
-static unsigned char readbuf[1024];
-
-/* Helpers, implemented at the bottom. */
-u32 getipaddr(const char *buff, unsigned int len);
-u16 antous(const char *buff, int len);
-int anton(const char *buff, int len);
-
-static int vfr_read_proc(char *page, char **start, off_t off,
- int count, int *eof, void *data)
-{
- strcpy(page, readbuf);
- *readbuf = '\0';
- *eof = 1;
- *start = page;
- return strlen(page);
-}
-
-/* The format for the vfr interface is as follows:
- *
- * COMMAND <field>=<val> [<field>=<val> [...]]
- *
- * where:
- *
- * COMMAND = { ACCEPT | COUNT }
- *
- * field=val pairs are as follows:
- *
- * field = { srcaddr | dstaddr }
- * val is a dot seperated, numeric IP address.
- *
- * field = { srcport | dstport }
- * val is a (16-bit) unsigned int
- *
- * field = { proto }
- * val = { IP | TCP | UDP | ARP }
- *
- */
-
-#define isspace(_x) ( ((_x)==' ') || ((_x)=='\t') || ((_x)=='\v') || \
- ((_x)=='\f') || ((_x)=='\r') || ((_x)=='\n') )
-
-static int vfr_write_proc(struct file *file, const char *buffer,
- u_long count, void *data)
-{
- network_op_t op;
- int ret, len;
- int ts, te, tl; // token start, end, and length
- int fs, fe, fl; // field.
-
- len = count;
- ts = te = 0;
-
- memset(&op, 0, sizeof(network_op_t));
-
- // get the command:
- while ( count && isspace(buffer[ts]) ) { ts++; count--; } // skip spaces.
- te = ts;
- while ( count && !isspace(buffer[te]) ) { te++; count--; } // command end
- if ( te <= ts ) goto bad;
- tl = te - ts;
-
- if ( strncmp(&buffer[ts], "ADD", tl) == 0 )
- {
- op.cmd = NETWORK_OP_ADDRULE;
- }
- else if ( strncmp(&buffer[ts], "DELETE", tl) == 0 )
- {
- op.cmd = NETWORK_OP_DELETERULE;
- }
- else if ( strncmp(&buffer[ts], "PRINT", tl) == 0 )
- {
- op.cmd = NETWORK_OP_GETRULELIST;
- goto doneparsing;
- }
-
- ts = te;
-
- // get the action
- while ( count && (buffer[ts] == ' ') ) { ts++; count--; } // skip spaces.
- te = ts;
- while ( count && (buffer[te] != ' ') ) { te++; count--; } // command end
- if ( te <= ts ) goto bad;
- tl = te - ts;
-
- if ( strncmp(&buffer[ts], "ACCEPT", tl) == 0 )
- {
- op.u.net_rule.action = NETWORK_ACTION_ACCEPT;
- goto keyval;
- }
- if ( strncmp(&buffer[ts], "COUNT", tl) == 0 )
- {
- op.u.net_rule.action = NETWORK_ACTION_COUNT;
- goto keyval;
- }
-
- // default case;
- return (len);
-
-
- // get the key=val pairs.
- keyval:
- while (count)
- {
- //get field
- ts = te; while ( count && isspace(buffer[ts]) ) { ts++; count--; }
- te = ts;
- while ( count && !isspace(buffer[te]) && (buffer[te] != '=') )
- { te++; count--; }
- if ( te <= ts )
- goto doneparsing;
- tl = te - ts;
- fs = ts; fe = te; fl = tl; // save the field markers.
- // skip " = " (ignores extra equals.)
- while ( count && (isspace(buffer[te]) || (buffer[te] == '=')) )
- { te++; count--; }
- ts = te;
- while ( count && !isspace(buffer[te]) ) { te++; count--; }
- tl = te - ts;
-
- if ( (fl <= 0) || (tl <= 0) ) goto bad;
-
- if (strncmp(&buffer[fs], "srcaddr", fl) == 0)
- {
- op.u.net_rule.src_addr = getipaddr(&buffer[ts], tl);
- }
- else if (strncmp(&buffer[fs], "dstaddr", fl) == 0)
- {
- op.u.net_rule.dst_addr = getipaddr(&buffer[ts], tl);
- }
- else if (strncmp(&buffer[fs], "srcaddrmask", fl) == 0)
- {
- op.u.net_rule.src_addr_mask = getipaddr(&buffer[ts], tl);
- }
- else if (strncmp(&buffer[fs], "dstaddrmask", fl) == 0)
- {
- op.u.net_rule.dst_addr_mask = getipaddr(&buffer[ts], tl);
- }
- else if (strncmp(&buffer[fs], "srcport", fl) == 0)
- {
- op.u.net_rule.src_port = antous(&buffer[ts], tl);
- }
- else if (strncmp(&buffer[fs], "dstport", fl) == 0)
- {
- op.u.net_rule.dst_port = antous(&buffer[ts], tl);
- }
- else if (strncmp(&buffer[fs], "srcportmask", fl) == 0)
- {
- op.u.net_rule.src_port_mask = antous(&buffer[ts], tl);
- }
- else if (strncmp(&buffer[fs], "dstportmask", fl) == 0)
- {
- op.u.net_rule.dst_port_mask = antous(&buffer[ts], tl);
- }
- else if (strncmp(&buffer[fs], "srcint", fl) == 0)
- {
- op.u.net_rule.src_interface = anton(&buffer[ts], tl);
- }
- else if (strncmp(&buffer[fs], "dstint", fl) == 0)
- {
- op.u.net_rule.dst_interface = anton(&buffer[ts], tl);
- }
- else if ( (strncmp(&buffer[fs], "proto", fl) == 0))
- {
- if (strncmp(&buffer[ts], "any", tl) == 0)
- op.u.net_rule.proto = NETWORK_PROTO_ANY;
- if (strncmp(&buffer[ts], "ip", tl) == 0)
- op.u.net_rule.proto = NETWORK_PROTO_IP;
- if (strncmp(&buffer[ts], "tcp", tl) == 0)
- op.u.net_rule.proto = NETWORK_PROTO_TCP;
- if (strncmp(&buffer[ts], "udp", tl) == 0)
- op.u.net_rule.proto = NETWORK_PROTO_UDP;
- if (strncmp(&buffer[ts], "arp", tl) == 0)
- op.u.net_rule.proto = NETWORK_PROTO_ARP;
-
- }
- }
-
- doneparsing:
- ret = HYPERVISOR_network_op(&op);
- return(len);
-
- bad:
- return(len);
-
-
-}
-
-static int __init init_module(void)
-{
- *readbuf = '\0';
- proc_vfr = create_proc_entry ("vfr", 0600, &proc_root);
- if ( proc_vfr != NULL )
- {
- proc_vfr->owner = THIS_MODULE;
- proc_vfr->nlink = 1;
- proc_vfr->read_proc = vfr_read_proc;
- proc_vfr->write_proc = vfr_write_proc;
- printk("Successfully installed virtual firewall/router interface\n");
- }
- return 0;
-}
-
-static void __exit cleanup_module(void)
-{
- if ( proc_vfr == NULL ) return;
- remove_proc_entry("vfr", &proc_root);
- proc_vfr = NULL;
-}
-
-module_init(init_module);
-module_exit(cleanup_module);
-
-/* Helper functions start here: */
-
-int anton(const char *buff, int len)
-{
- int ret;
- char c;
- int sign = 1;
-
- ret = 0;
-
- if (len == 0) return 0;
- if (*buff == '-') { sign = -1; buff++; len--; }
-
- while ( (len) && ((c = *buff) >= '0') && (c <= '9') )
- {
- ret *= 10;
- ret += c - '0';
- buff++; len--;
- }
-
- ret *= sign;
- return ret;
-}
-
-u16 antous(const char *buff, int len)
-{
- u16 ret;
- char c;
-
- ret = 0;
-
- while ( (len) && ((c = *buff) >= '0') && (c <= '9') )
- {
- ret *= 10;
- ret += c - '0';
- buff++; len--;
- }
-
- return ret;
-}
-
-u32 getipaddr(const char *buff, unsigned int len)
-{
- int i;
- char c;
- u32 ret, val;
-
- ret = 0; val = 0;
-
- while ( len )
- {
- if (!((((c = *buff) >= '0') && ( c <= '9')) || ( c == '.' ) ) )
- {
- return(0); // malformed.
- }
-
- if ( c == '.' ) {
- if (val > 255) return (0); //malformed.
- ret = ret << 8;
- ret += val;
- val = 0;
- len--; buff++;
- continue;
- }
- val *= 10;
- val += c - '0';
- buff++; len--;
- }
- ret = ret << 8;
- ret += val;
-
- return (ret);
-}
-
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-20 12:25:10 +0000