#include <time.h>
#include <stdlib.h>
#include <string.h>
+#include <sys/stat.h>
#define TAG "gen_sec_bin"
-void printStruct(const char * device, OCDtlsPskCredsBlob* s)
+//scratch buffer
+const int WORK_BUF_LEN = 512;
+
+const char SERVER_CRED_FILE[] = "server_cred.bin";
+const char CLIENT_CRED_FILE[] = "client_cred.bin";
+
+static void printStruct(const char * device, OCSecConfigData* s)
{
- OC_LOG(INFO, TAG, device);
- OC_LOG_V(INFO, TAG, "Version - %d", s->blobVer);
- OC_LOG(INFO, TAG, "My Identity :");
- OC_LOG_BUFFER(INFO, TAG, s->identity, DTLS_PSK_ID_LEN);
-
- OC_LOG_V(INFO, TAG, "Number of trusted Peers - %d", s->num);
- OC_LOG(INFO, TAG, "Peer Identity :");
- OC_LOG_BUFFER(INFO, TAG, s->creds[0].id, DTLS_PSK_ID_LEN);
- OC_LOG(INFO, TAG, "Peer Psk :");
- OC_LOG_BUFFER(INFO, TAG, s->creds[0].psk, DTLS_PSK_PSK_LEN);
+ if (device && s)
+ {
+ OC_LOG(INFO, TAG, device);
+ OC_LOG_V(INFO, TAG, "Version - %d", s->version);
+ OC_LOG_V(INFO, TAG, "Number of blobs - %d", s->numBlob);
+
+ OCSecBlob* osb = (OCSecBlob*)(s->blob);
+ OC_LOG_V(INFO, TAG, "Blob Type - %d", osb->type);
+ OC_LOG_V(INFO, TAG, "Blob Data Length - %d", osb->len);
+
+ OCDtlsPskCredsBlob* odpcb = (OCDtlsPskCredsBlob*)(osb->val);
+ OC_LOG(INFO, TAG, "My Identity :");
+ OC_LOG_BUFFER(INFO, TAG, odpcb->identity, DTLS_PSK_ID_LEN);
+
+ OC_LOG_V(INFO, TAG, "Number of trusted Peers - %d", odpcb->num);
+ OC_LOG(INFO, TAG, "Peer Identity :");
+ OC_LOG_BUFFER(INFO, TAG, odpcb->creds[0].id, DTLS_PSK_ID_LEN);
+ OC_LOG(INFO, TAG, "Peer Psk :");
+ OC_LOG_BUFFER(INFO, TAG, odpcb->creds[0].psk, DTLS_PSK_PSK_LEN);
+ }
}
-int main()
+static int SizeOfOCConfigData (OCSecConfigData *oscd)
{
- OCDtlsPskCredsBlob * s = NULL;
- OCDtlsPskCredsBlob * c = NULL;
- FILE* fps, *fpc;
+ int len = 0;
+ if(oscd)
+ {
+ int i = 0;
+ OCSecBlob * osb;
+ len = len + sizeof(OCSecConfigData) - sizeof(uint8_t);
- int i;
+ //go to first blob
+ osb = (OCSecBlob*)(oscd->blob);
+ for( i =0; i < oscd->numBlob; i++)
+ {
+ len += (sizeof(OCSecBlob) - sizeof(uint8_t) + osb->len);
+ osb = config_data_next_blob(osb);
+ }
+ }
+ return len;
+}
+
+int main()
+{
+ unsigned char buf_s[WORK_BUF_LEN];
+ unsigned char buf_c[WORK_BUF_LEN];
srand(time(NULL));
- s = (OCDtlsPskCredsBlob*) malloc(sizeof(OCDtlsPskCredsBlob));
- c = (OCDtlsPskCredsBlob*) malloc(sizeof(OCDtlsPskCredsBlob));
+ OCSecConfigData * oscd_s = (OCSecConfigData*)buf_s;
+ OCSecConfigData * oscd_c = (OCSecConfigData*)buf_c;
+ oscd_s->version = oscd_c->version = OCSecConfigVer_CurrentVersion;
+
+ //Only storing 1 blob of type 'OC_BLOB_TYPE_PSK'
+ oscd_s->numBlob = oscd_c->numBlob = 1;
- memset(s, 0, sizeof(OCDtlsPskCredsBlob));
- memset(c, 0, sizeof(OCDtlsPskCredsBlob));
+ OCSecBlob * osb_s = (OCSecBlob*)oscd_s->blob;
+ OCSecBlob * osb_c = (OCSecBlob*)oscd_c->blob;
+ osb_s->type = osb_c->type = OC_BLOB_TYPE_PSK;
+ //length of this blob will be the length to contain PSK credentials
+ // for '1' peer device
+ osb_s->len = osb_c->len = sizeof(OCDtlsPskCredsBlob);
- s->blobVer = DtlsPskCredsBlobVer_CurrentVersion;
- c->blobVer = DtlsPskCredsBlobVer_CurrentVersion;
+ OCDtlsPskCredsBlob * odpcb_s = (OCDtlsPskCredsBlob*)(osb_s->val);
+ OCDtlsPskCredsBlob * odpcb_c = (OCDtlsPskCredsBlob*)(osb_c->val);
- s->num = c->num = 1;
+ odpcb_s->num = odpcb_c->num = 1;
- for(i = 0; i < DTLS_PSK_ID_LEN; i++)
+ for(int i = 0; i < DTLS_PSK_ID_LEN; i++)
{
- c->creds[0].id[i] = s->identity[i] = rand() % (2^8);
+ odpcb_c->creds[0].id[i] = odpcb_s->identity[i] = rand() % (2^8);
- s->creds[0].id[i] = c->identity[i] = rand() % (2^8);
+ odpcb_s->creds[0].id[i] = odpcb_c->identity[i] = rand() % (2^8);
- c->creds[0].psk[i] = s->creds[0].psk[i] = rand() % (2^8);
+ odpcb_c->creds[0].psk[i] = odpcb_s->creds[0].psk[i] = rand() % (2^8);
}
// Print Credentials
- printStruct("Server", s);
- printStruct("Client", c);
+ printStruct("Server", oscd_s);
+ printStruct("Client", oscd_c);
// Write to files
+ FILE* fps, *fpc;
if ((fps = (FILE*) fopen("server_cred.bin", "wb")) != NULL)
{
- fwrite(s, sizeof(OCDtlsPskCredsBlob), 1, fps);
+ fwrite(oscd_s, SizeOfOCConfigData(oscd_s), 1, fps);
fclose(fps);
}
if ((fpc = (FILE*) fopen("client_cred.bin", "wb")) != NULL)
{
- fwrite(c, sizeof(OCDtlsPskCredsBlob), 1, fpc);
+ fwrite(oscd_c, SizeOfOCConfigData(oscd_c), 1, fpc);
fclose(fpc);
}
- memset(s, 0, sizeof(OCDtlsPskCredsBlob));
- memset(c, 0, sizeof(OCDtlsPskCredsBlob));
+ struct stat st;
+ memset(buf_s, 0, sizeof(buf_s));
+ memset(buf_c, 0, sizeof(buf_c));
// Read from files; print and verify manually
- if ((fps = (FILE*) fopen("server_cred.bin", "rb")) != NULL)
+ if ((fps = (FILE*) fopen(SERVER_CRED_FILE, "rb")) != NULL)
{
- if (sizeof(OCDtlsPskCredsBlob) != fread(s, 1, sizeof(OCDtlsPskCredsBlob), fps))
+ stat(SERVER_CRED_FILE, &st);
+ if ((sizeof(buf_s) < (unsigned int)st.st_size) ||
+ (fread(buf_s, 1, st.st_size, fps) != (unsigned int)st.st_size))
{
OC_LOG(INFO, TAG, PCF("Reading from the file failed."));
}
}
- if ((fpc = (FILE*) fopen("client_cred.bin", "rb")) != NULL)
+ if ((fpc = (FILE*) fopen(CLIENT_CRED_FILE, "rb")) != NULL)
{
- if (sizeof(OCDtlsPskCredsBlob) != fread(c, 1, sizeof(OCDtlsPskCredsBlob), fpc))
+ stat(CLIENT_CRED_FILE, &st);
+ if ((sizeof(buf_c) < (unsigned int)st.st_size) ||
+ (fread(buf_c, 1, st.st_size, fpc) != (unsigned int)st.st_size))
{
OC_LOG(INFO, TAG, PCF("Reading from the file failed."));
}
printf("\n\n");
OC_LOG(INFO, TAG, PCF("Reading from file and printing again to verify manually"));
- printStruct("Server", s);
- printStruct("Client", c);
+ printStruct("Server", (OCSecConfigData*)buf_s);
+ printStruct("Client", (OCSecConfigData*)buf_c);
- free(s);
- free(c);
+ return 1;
}
+
projects / platform / upstream / iotivity.git / blobdiff