/* Note that caller frees the returned buffer if necessary */
static char * parse_server(char ** punc_name)
{
char * unc_name = *punc_name;
int length = strnlen(unc_name,1024);
char * share;
char * ipaddress_string = NULL;
struct hostent * host_entry = NULL;
struct in_addr server_ipaddr;
if(length > 1023) {
printf("mount error: UNC name too long");
return NULL;
}
if (strncasecmp("cifs://",unc_name,7) == 0)
return parse_cifs_url(unc_name+7);
if (strncasecmp("smb://",unc_name,6) == 0) {
return parse_cifs_url(unc_name+6);
}
if(length < 3) {
/* BB add code to find DFS root here */
printf("\nMounting the DFS root for domain not implemented yet\n");
return NULL;
} else {
if(strncmp(unc_name,"//",2) && strncmp(unc_name,"\\\\",2)) {
/* check for nfs syntax ie server:share */
share = strchr(unc_name,':');
if(share) {
free_share_name = 1;
*punc_name = malloc(length+3);
if(*punc_name == NULL) {
/* put the original string back if
no memory left */
*punc_name = unc_name;
return NULL;
}
*share = '/';
strncpy((*punc_name)+2,unc_name,length);
unc_name = *punc_name;
unc_name[length+2] = 0;
goto continue_unc_parsing;
} else {
printf("mount error: improperly formatted UNC name.");
printf(" %s does not begin with \\\\ or //\n",unc_name);
return NULL;
}
} else {
continue_unc_parsing:
unc_name[0] = '/';
unc_name[1] = '/';
unc_name += 2;
if ((share = strchr(unc_name, '/')) ||
(share = strchr(unc_name,'\\'))) {
*share = 0; /* temporarily terminate the string */
share += 1;
if(got_ip == 0) {
host_entry = gethostbyname(unc_name);
}
*(share - 1) = '/'; /* put the slash back */
if(got_ip) {
if(verboseflag)
printf("ip address specified explicitly\n");
return NULL;
}
if(host_entry == NULL) {
printf("mount error: could not find target server. TCP name %s not found\n", unc_name);
return NULL;
} else {
/* BB should we pass an alternate version of the share name as Unicode */
/* BB what about ipv6? BB */
/* BB add retries with alternate servers in list */
memcpy(&server_ipaddr.s_addr, host_entry->h_addr, 4);
ipaddress_string = inet_ntoa(server_ipaddr);
if(ipaddress_string == NULL) {
printf("mount error: could not get valid ip address for target server\n");
return NULL;
}
return ipaddress_string;
}
} else {
/* BB add code to find DFS root (send null path on get DFS Referral to specified server here */
printf("Mounting the DFS root for a particular server not implemented yet\n");
return NULL;
}
}
}
}
/* Note that caller frees the returned buffer if necessary */
char * parse_server(char * unc_name)
{
int length = strnlen(unc_name,1024);
char * share;
char * ipaddress_string = NULL;
struct hostent * host_entry;
struct in_addr server_ipaddr;
int rc;
if(length > 1023) {
printf("mount error: UNC name too long");
return 0;
}
if (strncasecmp("cifs://",unc_name,7) == 0)
return parse_cifs_url(unc_name+7);
if (strncasecmp("smb://",unc_name,6) == 0) {
return parse_cifs_url(unc_name+6);
}
if(length < 3) {
/* BB add code to find DFS root here */
printf("\nMounting the DFS root for domain not implemented yet");
return 0;
} else {
if(strncmp(unc_name,"//",2) && strncmp(unc_name,"\\\\",2)) {
printf("mount error: improperly formatted UNC name.");
printf(" %s does not begin with \\\\ or //\n",unc_name);
return 0;
} else {
unc_name[0] = '\\';
unc_name[0] = '/';
unc_name[1] = '/';
unc_name += 2;
if ((share = strchr(unc_name, '/')) ||
(share = strchr(unc_name,'\\'))) {
*share = 0; /* temporarily terminate the string */
share += 1;
host_entry = gethostbyname(unc_name);
*(share - 1) = '/'; /* put the slash back */
/* rc = getipnodebyname(unc_name, AF_INET, AT_ADDRCONFIG ,&rc);*/
if(host_entry == NULL) {
printf("mount error: could not find target server. TCP name %s not found ", unc_name);
printf(" rc = %d\n",rc);
return 0;
}
else {
/* BB should we pass an alternate version of the share name as Unicode */
/* BB what about ipv6? BB */
/* BB add retries with alternate servers in list */
memcpy(&server_ipaddr.s_addr, host_entry->h_addr, 4);
ipaddress_string = inet_ntoa(server_ipaddr);
if(ipaddress_string == NULL) {
printf("mount error: could not get valid ip address for target server\n");
return 0;
}
return ipaddress_string;
}
} else {
/* BB add code to find DFS root (send null path on get DFS Referral to specified server here */
printf("Mounting the DFS root for a particular server not implemented yet\n");
return 0;
}
}
}
}
