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more configdata

This commit is contained in:
Olaf Rempel 2007-04-30 17:43:51 +02:00
parent f88f369fa6
commit a15af2d522
3 changed files with 44 additions and 3 deletions
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5
cfgpatch.c
View File

@ -22,6 +22,11 @@ int main(int argc, char *argv[])
config_patch(config->data, CFG_DEFAULTGW, "10.10.250.250");
config_patch(config->data, CFG_NAMESERVER, "10.10.0.1");
config_patch(config->data, CFG_MACAGEING, "301");
config_patch(config->data, CFG_PORTNAME_MASK + 1, "PORT-001");
config_patch(config->data, CFG_PORTNAME_MASK + 2, "PORT-002");
put_filedata(argv[2], config);
free(config);

37
configdata.c
View File

@ -27,6 +27,16 @@ static int patch_8bit(void *config, struct cfg_patch *patch, int code, const cha
return 0;
}
static int patch_16bit(void *config, struct cfg_patch *patch, int code, const char *parameter)
{
int value = atoi(parameter);
if (value < patch->min || value > patch->max)
return -1;
*((uint16_t *)(config + patch->offset)) = htons(value);
return 0;
}
static int patch_string(void *config, struct cfg_patch *patch, int code, const char *parameter)
{
strncpy(config + patch->offset, parameter, patch->size);
@ -38,6 +48,16 @@ static int patch_ip(void *config, struct cfg_patch *patch, int code, const char
return (inet_pton(AF_INET, parameter, config + patch->offset) <= 0) ? -1 : 0;
}
static int patch_portname(void *config, struct cfg_patch *patch, int code, const char *parameter)
{
int num = code - patch->code;
if (num < patch->min || num > patch->max)
return -1;
strncpy(config + patch->offset + (num -1) * 0x70, parameter, patch->size);
return 0;
}
static struct cfg_patch patcharr[] = {{
.code = CFG_LOCATION,
.patch = patch_string,
@ -65,12 +85,23 @@ static struct cfg_patch patcharr[] = {{
.code = CFG_NETMASK,
.patch = patch_8bit,
.offset = 0x2dfe,
.min = 0x00,
.max = 0x20,
.min = 0x00, .max = 0x20,
}, {
.code = CFG_NAMESERVER,
.patch = patch_ip,
.offset = 0x32dc,
}, {
.code = CFG_MACAGEING,
.patch = patch_16bit,
.offset = 0x53e8,
.min = 0, .max = 0xFFFF,
}, {
.code = CFG_PORTNAME_MASK,
.mask = 0xFFFFFFE0,
.patch = patch_portname,
.offset = 0x336c,
.size = 8,
.min = 1, .max = 26,
}};
int config_patch(void *config, int code, const char *parameter)
@ -79,7 +110,7 @@ int config_patch(void *config, int code, const char *parameter)
for (i = 0; i < (sizeof(patcharr) / sizeof(struct cfg_patch)); i++) {
int mask = (patcharr[i].mask != 0) ? patcharr[i].mask : ~0;
if ((patcharr[i].code & mask) == code)
if ((code & mask) == patcharr[i].code)
return patcharr[i].patch(config, &patcharr[i], code, parameter);
}
return -1;

5
configdata.h
View File

@ -5,10 +5,15 @@ enum {
CFG_LOCATION = 0x0001,
CFG_SYSNAME,
CFG_CONTACT,
CFG_DEFAULTGW,
CFG_IPADDRESS,
CFG_NETMASK,
CFG_NAMESERVER,
CFG_MACAGEING,
CFG_PORTNAME_MASK = 0x0100, // next 0x0120
};
int config_patch(void *config, int code, const char *parameter);