zeekling/kerberosTest
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add kerberos #4

Merged
zeekling merged 1 commits from kerberos into master 2022-03-20 14:16:55 +00:00
Conversation 0 Commits 1 Files Changed 3 +73 -35
3 changed files with 73 additions and 35 deletions
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12
sample/Makefile
View File

@ -15,14 +15,16 @@ all: $(PROGRAM)
@echo ""
client:sample-client.c
$(CC) -c sample-client.c $(FINAL_FLAG)
$(CC) -o client sample-client.o $(FINAL_FLAG)
$(CC) -g -c sample-client.c $(FINAL_FLAG)
$(CC) -g -o client sample-client.o $(FINAL_FLAG)
rm *.o
server:sample-server.c
$(CC) -c sample-server.c $(FINAL_FLAG)
$(CC) -o server sample-server.o $(FINAL_FLAG)
$(CC) -g -c sample-server.c $(FINAL_FLAG)
$(CC) -g -o server sample-server.o $(FINAL_FLAG)
rm *.o
clean:
rm *.o server client
rm server client

69
sample/sample-client.c
View File

@ -1,3 +1,4 @@
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
@ -13,17 +14,18 @@ char buf[SAMPLE_SEC_BUF_SIZE];
static sasl_conn_t *conn = NULL;
const char *realm = "DOMAIN.COM";
const char *mech = "gssapi";
const char *mech = "GSSAPI";
const char *iplocal = "127.0.0.1";
const char *ipremote = "127.0.0.1";
char *searchpath = NULL;
const char *service = "zeekling";
const char *fqdn = "";
int cfd;
int init_sasl() {
int result = sasl_client_init(NULL);
if (result != SASL_OK) {
printf("Initializing libsasl");
printf("Initializing libsasl\n");
return -1;
}
return 0;
@ -32,28 +34,60 @@ int init_sasl() {
int connect_server() {
struct sockaddr_in s_add, c_add;
unsigned short portnum = 2345;
printf("Hello,welcome to client !\r\n");
printf("Hello,welcome to client !\n");
cfd = socket(AF_INET, SOCK_STREAM, 0);
if(-1 == cfd) {
printf("socket fail ! \r\n");
printf("socket fail ! \n");
return 1;
}
printf("socket ok !\r\n");
bzero(&s_add,sizeof(struct sockaddr_in));
s_add.sin_family=AF_INET;
s_add.sin_addr.s_addr= inet_addr("127.0.0.1");
s_add.sin_port=htons(portnum);
printf("socket ok !\n");
bzero(&s_add, sizeof(struct sockaddr_in));
s_add.sin_family = AF_INET;
s_add.sin_addr.s_addr = inet_addr("127.0.0.1");
s_add.sin_port = htons(portnum);
if(-1 == connect(cfd,(struct sockaddr *)(&s_add), sizeof(struct sockaddr))) {
printf("connect fail !\r\n");
printf("connect fail !\n");
return 1;
}
printf("connect ok !\r\n");
printf("connect ok !\n");
return 0;
}
int auth_sever() {
int result = sasl_client_new("sample", fqdn, "127.0.0.1",
"127.0.0.1", NULL, 0, &conn);
if (result != SASL_OK) {
printf("client new client failed\n");
return 1;
}
char *data = NULL;
unsigned len = 0;
result = sasl_client_start(conn, mech, NULL, &data, &len, &mech);
if (result != SASL_OK && result != SASL_CONTINUE) {
printf("client auth start failed error:%s\n", sasl_errdetail(conn));
return 1;
}
while (1) {
//todo 多次认证
printf("write data %s, %d", data, len);
if(-1 == write(cfd, data, len)) {
printf("write failed\n");
return 1;
}
int recbytes = 0;
char *buffer = NULL;
if (read(recbytes = read(cfd, buffer, 1024)) == -1) {
printf("read error\n");
return 1;
}
printf("receive %s %d", buffer, recbytes);
result = sasl_client_step(conn, buffer, recbytes, NULL, &data, &len);
if (result != SASL_OK && result != SASL_CONTINUE) {
printf("auth failed, %s\n", sasl_errdetail(conn));
return 1;
}
}
return 0;
}
@ -63,7 +97,6 @@ int main() {
const char *chosenmech;
int serverlast = 0;
unsigned len;
const char *fqdn = "";
char *userid = NULL;
char *authid = NULL;
@ -81,18 +114,20 @@ int main() {
}
if(-1 == (recbytes = read(cfd, buffer, 1024))) {
printf("read data fail !\r\n");
printf("read data fail !\n");
return -1;
}
if (strcmp(buffer, "need_auth") == 0 && auth_sever() != 0) {
printf("auth failed");
printf("auth failed\n");
return -1;
}
printf("auth ok\r\nREC:\r\n");
printf("auth ok\nREC:\n");
buffer[recbytes]='\0';
printf("%s\r\n",buffer);
printf("%s\n",buffer);
auth_sever();
getchar();
close(cfd);

13
sample/sample-server.c
View File

@ -69,7 +69,7 @@ int auth_client(kClient *c) {
int recbytes;
char buffer[1024]={0};
if ((recbytes = read(c->fp, buffer, 1024)) == -1) {
printf("read failed");
printf("read failed\n");
close(c->fp);
return 1;
}
@ -78,22 +78,23 @@ int auth_client(kClient *c) {
unsigned len = 0;
int result = sasl_server_start(c->conn, mech, buffer, recbytes, &out, &len);
if (result != SASL_OK && result != SASL_CONTINUE) {
printf("auth failed ");
write(c->fp, "auth failed", 11);
printf("auth failed ,%s\n", sasl_errdetail(c->conn));
write(c->fp, "auth failed\n", 11);
close(c->fp);
}
while (result == SASL_CONTINUE) {
if (write(c->fp, out, len) == -1) {
printf("write failed");
printf("write failed\n");
return 1;
}
if (recbytes = read(c->fp, buffer, 1024)) {
printf("write failed");
printf("write failed\n");
return 1;
}
result = sasl_server_step(c->conn, buffer, recbytes, &out, &len);
if (result != SASL_OK && result != SASL_CONTINUE) {
write(c->fp, "auth failed", 11);
printf("auth failed ,%s\n", sasl_errdetail(c->conn));
write(c->fp, "auth failed\n", 11);
close(c->fp);
return 1;
}