add kerberos
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67c33ac1ec
commit
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@ -15,14 +15,16 @@ all: $(PROGRAM)
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@echo ""
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client:sample-client.c
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$(CC) -c sample-client.c $(FINAL_FLAG)
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$(CC) -o client sample-client.o $(FINAL_FLAG)
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$(CC) -g -c sample-client.c $(FINAL_FLAG)
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$(CC) -g -o client sample-client.o $(FINAL_FLAG)
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rm *.o
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server:sample-server.c
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$(CC) -c sample-server.c $(FINAL_FLAG)
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$(CC) -o server sample-server.o $(FINAL_FLAG)
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$(CC) -g -c sample-server.c $(FINAL_FLAG)
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$(CC) -g -o server sample-server.o $(FINAL_FLAG)
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rm *.o
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clean:
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rm *.o server client
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rm server client
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@ -1,3 +1,4 @@
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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@ -13,17 +14,18 @@ char buf[SAMPLE_SEC_BUF_SIZE];
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static sasl_conn_t *conn = NULL;
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const char *realm = "DOMAIN.COM";
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const char *mech = "gssapi";
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const char *mech = "GSSAPI";
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const char *iplocal = "127.0.0.1";
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const char *ipremote = "127.0.0.1";
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char *searchpath = NULL;
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const char *service = "zeekling";
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const char *fqdn = "";
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int cfd;
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int init_sasl() {
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int result = sasl_client_init(NULL);
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if (result != SASL_OK) {
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printf("Initializing libsasl");
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printf("Initializing libsasl\n");
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return -1;
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}
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return 0;
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@ -32,28 +34,60 @@ int init_sasl() {
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int connect_server() {
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struct sockaddr_in s_add, c_add;
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unsigned short portnum = 2345;
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printf("Hello,welcome to client !\r\n");
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printf("Hello,welcome to client !\n");
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cfd = socket(AF_INET, SOCK_STREAM, 0);
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if(-1 == cfd) {
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printf("socket fail ! \r\n");
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printf("socket fail ! \n");
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return 1;
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}
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printf("socket ok !\r\n");
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bzero(&s_add,sizeof(struct sockaddr_in));
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s_add.sin_family=AF_INET;
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s_add.sin_addr.s_addr= inet_addr("127.0.0.1");
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s_add.sin_port=htons(portnum);
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printf("socket ok !\n");
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bzero(&s_add, sizeof(struct sockaddr_in));
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s_add.sin_family = AF_INET;
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s_add.sin_addr.s_addr = inet_addr("127.0.0.1");
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s_add.sin_port = htons(portnum);
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if(-1 == connect(cfd,(struct sockaddr *)(&s_add), sizeof(struct sockaddr))) {
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printf("connect fail !\r\n");
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printf("connect fail !\n");
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return 1;
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}
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printf("connect ok !\r\n");
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printf("connect ok !\n");
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return 0;
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}
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int auth_sever() {
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int result = sasl_client_new("sample", fqdn, "127.0.0.1",
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"127.0.0.1", NULL, 0, &conn);
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if (result != SASL_OK) {
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printf("client new client failed\n");
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return 1;
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}
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char *data = NULL;
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unsigned len = 0;
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result = sasl_client_start(conn, mech, NULL, &data, &len, &mech);
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if (result != SASL_OK && result != SASL_CONTINUE) {
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printf("client auth start failed error:%s\n", sasl_errdetail(conn));
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return 1;
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}
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while (1) {
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//todo 多次认证
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printf("write data %s, %d", data, len);
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if(-1 == write(cfd, data, len)) {
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printf("write failed\n");
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return 1;
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}
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int recbytes = 0;
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char *buffer = NULL;
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if (read(recbytes = read(cfd, buffer, 1024)) == -1) {
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printf("read error\n");
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return 1;
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}
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printf("receive %s %d", buffer, recbytes);
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result = sasl_client_step(conn, buffer, recbytes, NULL, &data, &len);
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if (result != SASL_OK && result != SASL_CONTINUE) {
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printf("auth failed, %s\n", sasl_errdetail(conn));
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return 1;
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}
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}
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return 0;
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}
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@ -63,7 +97,6 @@ int main() {
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const char *chosenmech;
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int serverlast = 0;
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unsigned len;
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const char *fqdn = "";
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char *userid = NULL;
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char *authid = NULL;
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@ -81,18 +114,20 @@ int main() {
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}
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if(-1 == (recbytes = read(cfd, buffer, 1024))) {
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printf("read data fail !\r\n");
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printf("read data fail !\n");
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return -1;
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}
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if (strcmp(buffer, "need_auth") == 0 && auth_sever() != 0) {
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printf("auth failed");
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printf("auth failed\n");
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return -1;
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}
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printf("auth ok\r\nREC:\r\n");
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printf("auth ok\nREC:\n");
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buffer[recbytes]='\0';
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printf("%s\r\n",buffer);
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printf("%s\n",buffer);
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auth_sever();
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getchar();
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close(cfd);
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@ -69,7 +69,7 @@ int auth_client(kClient *c) {
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int recbytes;
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char buffer[1024]={0};
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if ((recbytes = read(c->fp, buffer, 1024)) == -1) {
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printf("read failed");
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printf("read failed\n");
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close(c->fp);
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return 1;
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}
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@ -78,22 +78,23 @@ int auth_client(kClient *c) {
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unsigned len = 0;
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int result = sasl_server_start(c->conn, mech, buffer, recbytes, &out, &len);
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if (result != SASL_OK && result != SASL_CONTINUE) {
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printf("auth failed ");
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write(c->fp, "auth failed", 11);
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printf("auth failed ,%s\n", sasl_errdetail(c->conn));
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write(c->fp, "auth failed\n", 11);
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close(c->fp);
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}
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while (result == SASL_CONTINUE) {
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if (write(c->fp, out, len) == -1) {
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printf("write failed");
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printf("write failed\n");
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return 1;
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}
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if (recbytes = read(c->fp, buffer, 1024)) {
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printf("write failed");
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printf("write failed\n");
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return 1;
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}
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result = sasl_server_step(c->conn, buffer, recbytes, &out, &len);
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if (result != SASL_OK && result != SASL_CONTINUE) {
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write(c->fp, "auth failed", 11);
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printf("auth failed ,%s\n", sasl_errdetail(c->conn));
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write(c->fp, "auth failed\n", 11);
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close(c->fp);
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return 1;
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}
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