/* verifier
return value: -438: You should send a 438-reply.
-437: You should send a 437-reply.
-436: You should send a 436-reply.
-428: You should send a 428-reply.
-3: Error verifying Date header field.
-2: Authentication service is not authoritative.
-1: An error occured.
1: verification OK
*/
static int verifier_(struct sip_msg* msg, char* str1, char* str2)
{
char identityHF[MAX_IDENTITY] = "\0";
X509 * cert = NULL;
int retval = -1;
STACK_OF(X509) * certchain = NULL;
/* parse all headers */
if (parse_headers(msg, HDR_EOH_F, 0)!=0) {
LM_ERR("failed to parse headers\n");
return -1;
}
retval = getIdentityHF(identityHF, msg);
switch(retval)
{
case 0:
/* Identity header field does not exist */
return -428;
case -1:
LM_ERR("getIdentityHF failed\n");
return -1;
}
if(!getCert(&cert, &certchain, msg))
{
return -436;
}
if(!validateCert(cert, certchain))
{
X509_free(cert);
sk_X509_pop_free(certchain, X509_free);
return -437;
}
sk_X509_pop_free(certchain, X509_free);
if(!checkAuthority(cert, msg))
{
X509_free(cert);
return -2;
}
if(!checkSign(cert, identityHF, msg))
{
X509_free(cert);
return -438;
}
if(!checkDate(cert, msg))
{
X509_free(cert);
return -3;
}
X509_free(cert);
return 1;
}
void removeFile(int index, char next[BUFFER_SIZE], int num,
Client clients[CLIENT_SIZE], char* line) {
index = nextToken(line, next, index);
if (checkAuthority(next, num) == 1) {
char fileName[BUFFER_SIZE] = ""; //;"__shared__";
strcpy(fileName, MY_PATH);
strcat(fileName, next);
unlink(fileName);
removeFileFromClient(next, num);
do_send("Deletion was successful!", clients[num].fd);
} else {
println("Unauthorized access or file not found");
do_send("Unauthorized access or file not found", clients[num].fd);
}
}
void renameFile(int index, char next[BUFFER_SIZE], int num,
char recv_buf[BUFFER_SIZE], Client clients[CLIENT_SIZE], char* line) {
index = nextToken(line, next, index);
if (checkAuthority(next, num) == 1) {
char fileName[BUFFER_SIZE] = ""; //"__shared__";
strcpy(fileName, MY_PATH);
char newFileName[BUFFER_SIZE] = ""; //"__shared__";
strcpy(newFileName, MY_PATH);
index = nextToken(line, recv_buf, index);
strcat(fileName, next);
strcat(newFileName, recv_buf);
rename(fileName, newFileName);
renameFileFromClient(next, recv_buf, num);
do_send("Rename was successful!", clients[num].fd);
} else {
println("Unauthorized access or file not found");
do_send("Unauthorized access or file not found", clients[num].fd);
}
}
