FTP.rar_FTP 命令通道_FreeChat-ssl_Linux下 文件传输_Linux命令_ftp implement

#include "client.h" int sock; struct hostent *hp; struct sockaddr_in addr; int result; char CMD[CMD_LEN]; char data[BUFFER_SIZE]; char safeguard = '\0'; FILE* file; void userName(char* user) { memset(CMD, 0, sizeof(CMD)); strcpy(CMD, "user "); strcat(CMD, user); strcat(CMD, "\r\n"); if ((result = write(sock, CMD, strlen(CMD))) < 0){ printf("[err] Sending USER failed!"); } memset(CMD, 0, sizeof(CMD)); result = read(sock, CMD, CMD_LEN); printf("-> "); printf("%s",CMD); } void passwd(char* passwd) { memset(CMD, 0, sizeof(CMD)); strcat(CMD, "pass "); strcat(CMD, passwd); strcat(CMD, "\r\n"); if ((result = write(sock, CMD, strlen(CMD))) < 0){ printf("[err] Recv PASSWORD failed!\n"); } memset(CMD, 0, sizeof(CMD)); result = read(sock, CMD, CMD_LEN); printf("-> "); printf("%s",CMD); } void put(char* filename) { memset(CMD, 0, sizeof(CMD)); strcat(CMD, "pasv\r\n"); if ((result = write(sock, CMD, strlen(CMD))) < 0) { printf("[err] Sending data failed!\n"); } memset(CMD, 0 , sizeof(CMD)); result = read(sock, CMD, CMD_LEN); printf("-> "); printf("%s", CMD); int ip1, ip2, ip3, ip4, port1, port2; char tmp[CMD_LEN]; char *buff = (char *)alloca(CMD_LEN); memset(buff, 0 , sizeof(buff)); memset(tmp, 0 , sizeof(tmp)); strcpy(tmp, CMD); buff = strchr(tmp, '('); sscanf(buff, "(%d,%d,%d,%d,%d,%d", &ip1, &ip2, &ip3, &ip4, &port1, &port2); int port; port = port1 * 256 + port2; int tempSock; tempSock = socket(AF_INET, SOCK_STREAM, 0); struct sockaddr_in tempAddr; bzero(&tempAddr, sizeof(struct sockaddr_in)); tempAddr.sin_family = AF_INET; tempAddr.sin_port = htons(port); bcopy(hp->h_addr, (char *)&tempAddr.sin_addr, hp->h_length); int conn; conn = connect(tempSock, (struct sockaddr*)&tempAddr, sizeof(tempAddr)); if (conn < 0){ perror("[err] Connect failed!\n"); } memset(CMD, 0, sizeof(CMD)); strcat(CMD, "type i\r\n"); result = write(sock, CMD, strlen(CMD)); if (result < 0){ printf("[err] Sending CMD failed!\n"); } memset(CMD, 0 , sizeof(CMD)); result = read(sock, CMD, CMD_LEN); printf("-> "); printf("%s", CMD); memset(CMD, 0 , sizeof(CMD)); strcpy(CMD, "stor "); strcat(CMD, filename); strcat(CMD, "\r\n"); result = write(sock, CMD, strlen(CMD)); if (result < 0){ printf("[err] Sending CMD failed!\n"); } memset(CMD, 0, sizeof(CMD)); result = read(sock, CMD, CMD_LEN); printf("-> "); printf("%s", CMD); result = 1; FILE* file = fopen(filename, "rb"); memset(data, 0, sizeof(data)); while (result = fread(data, sizeof(char), BUFFER_SIZE, file)) { write(tempSock, data, result); memset(data, 0, sizeof(data)); } fclose(file); close(tempSock); memset(CMD, 0, sizeof(CMD)); result = read(sock, CMD, CMD_LEN); printf("-> "); printf("%s", CMD); } void get(char* filename) { memset(CMD, 0, sizeof(CMD)); strcat(CMD, "pasv\r\n"); result = write(sock, CMD, strlen(CMD)); if (result < 0){ printf("[err] Sending CMD failed!\n"); } memset(CMD, 0 , sizeof(CMD)); result = read(sock, CMD, CMD_LEN); printf("-> "); printf("%s", CMD); int ip1, ip2, ip3, ip4, port1, port2; char tmp[CMD_LEN]; char *buff = (char *)alloca(CMD_LEN); memset(buff, 0 , sizeof(buff)); memset(tmp, 0 , sizeof(tmp)); strcpy(tmp, CMD); buff = strchr(tmp, '('); sscanf(buff, "(%d,%d,%d,%d,%d,%d", &ip1, &ip2, &ip3, &ip4, &port1, &port2); int port; port = port1 * 256 + port2; int tempSock; tempSock = socket(AF_INET, SOCK_STREAM, 0); struct sockaddr_in tempAddr; bzero(&tempAddr, sizeof(struct sockaddr_in)); tempAddr.sin_family = AF_INET; tempAddr.sin_port = htons(port); bcopy(hp->h_addr, (char *)&tempAddr.sin_addr, hp->h_length); int conn; conn = connect(tempSock, (struct sockaddr*)&tempAddr, sizeof(tempAddr)); if (conn < 0){ perror("[err] Connect failed!\n"); } memset(CMD, 0, sizeof(CMD)); strcat(CMD, "type i\r\n"); result = write(sock, CMD, strlen(CMD)); if (result < 0) { printf("[err] Sending CMD failed!\n"); } memset(CMD, 0 , sizeof(CMD)); result = read(sock, CMD, CMD_LEN); printf("-> "); printf("%s", CMD); memset(CMD, 0 , sizeof(CMD)); strcpy(CMD, "retr "); strcat(CMD, filename); strcat(CMD, "\r\n"); result = write(sock, CMD, strlen(CMD)); if (result < 0){ printf("[err] Sending CMD failed!\n"); } memset(CMD, 0, sizeof(CMD)); result = read(sock, CMD, CMD_LEN); printf("-> "); printf("%s", CMD); FILE* file = fopen(filename, "w"); while (result > 0){ memset(data, 0 , sizeof(data)); result = read(tempSock, data, BUFFER_SIZE); fwrite(data, sizeof(char), result, file); } fclose(file); close(tempSock); memset(CMD, 0, sizeof(CMD)); result = read(sock, CMD, CMD_LEN); printf("-> "); printf("%s", CMD); } void pwd() { memset(CMD, 0, sizeof(CMD)); strcat(CMD, "pwd"); strcat(CMD, "\r\n"); if ((result= write(sock, CMD, strlen(CMD))) < 0){ printf("[err] Sending CMD failed!"); } memset(CMD, 0, sizeof(CMD)); result = read(sock, CMD, CMD_LEN); printf("-> "); printf("%s",CMD); } void cd(char* cwd) { memset(CMD, 0, sizeof(CMD)); char end[CMD_LEN]; strcpy(end, cwd); strcpy(CMD, "cwd "); strcat(CMD, end); strcat(CMD, "\r\n"); result = write(sock, CMD, strlen(CMD)); if (result < 0){ printf("[err] Sending CMD failed!\n"); } memset(CMD, 0, sizeof(CMD)); result = read(sock, CMD, CMD_LEN); printf("-> "); printf("%s",CMD); } void dir(char* path) { memset(CMD, 0, sizeof(CMD)); strcat(CMD, "pasv\r\n"); result = write(sock, CMD, strlen(CMD)); if (result < 0){ printf("[err] Sending CMD failed!\n"); } memset(CMD, 0 , sizeof(CMD)); result = read(sock, CMD, CMD_LEN); printf("-> "); printf("%s", CMD); int ip1, ip2, ip3, ip4, port1, port2; char tmp[CMD_LEN]; char *buff = (char *)alloca(CMD_LEN); memset(buff, 0 , sizeof(buff)); memset(tmp, 0 , sizeof(tmp)); //init strcpy(tmp, CMD); buff = strchr(tmp, '('); sscanf(buff, "(%d,%d,%d,%d,%d,%d", &ip1, &ip2, &ip3, &ip4, &port1, &port2); int port; port = port1 * 256 + port2; int tempSock; tempSock = socket(AF_INET, SOCK_STREAM, 0); struct sockaddr_in tempAddr; bzero(&tempAddr, sizeof(struct sockaddr_in)); tempAddr.sin_family = AF_INET; tempAddr.sin_port = htons(port); bcopy(hp->h_addr, (char *)&tempAddr.sin_addr, hp->h_length); int conn; conn = connect(tempSock, (struct sockaddr*)&tempAddr, sizeof(tempAddr)); if (conn < 0){ perror("[err] Connect failed!\n"); } result = 1; memset(CMD, 0 , sizeof(CMD)); strcpy(CMD, "list "); strcat(CMD, path); strcat(CMD, "\r\n"); result = write(sock, CMD, strlen(CMD)); if (result < 0){ printf("[err] Sending CMD failed!\n"); } memset(CMD, 0, sizeof(CMD)); result = read(sock, CMD, CMD_LEN); printf("-> "); printf("%s", CMD); while (result > 0){ memset(data, 0 , sizeof(data)); result = read(tempSock, data, BUFFER_SIZE); printf("%s", data); } close(tempSock); memset(CMD, 0, sizeof(CMD)); result = read(sock, CMD, CMD_LEN)