UnknownSec Bypass 403

: /proc/self/root/usr/share/doc/sg3-utils/examples/ [ drwxr-xr-x ]
name : sg_simple16.c #include <unistd.h> #include <fcntl.h> #include <stdio.h> #include <stdlib.h> #include <stdint.h> #include <string.h> #include <errno.h> #include <sys/ioctl.h> #include <sys/types.h> #include <sys/stat.h> #include "sg_lib.h" #include "sg_io_linux.h" /* This program performs a READ_16 command as scsi mid-level support 16 byte commands from lk 2.4.15 * Copyright (C) 2001-2018 D. Gilbert * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2, or (at your option) * any later version. Invocation: sg_simple16 <scsi_device> Version 1.04 (20180218) */ #define READ16_REPLY_LEN 512 #define READ16_CMD_LEN 16 #define EBUFF_SZ 256 int main(int argc, char * argv[]) { int sg_fd, k, ok; uint8_t r16_cdb [READ16_CMD_LEN] = {0x88, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0}; sg_io_hdr_t io_hdr; char * file_name = 0; char ebuff[EBUFF_SZ]; uint8_t inBuff[READ16_REPLY_LEN]; uint8_t sense_buffer[32]; for (k = 1; k < argc; ++k) { if (*argv[k] == '-') { printf("Unrecognized switch: %s\n", argv[k]); file_name = 0; break; } else if (0 == file_name) file_name = argv[k]; else { printf("too many arguments\n"); file_name = 0; break; } } if (0 == file_name) { printf("Usage: 'sg_simple16 <sg_device>'\n"); return 1; } if ((sg_fd = open(file_name, O_RDWR)) < 0) { snprintf(ebuff, EBUFF_SZ, "sg_simple16: error opening file: %s", file_name); perror(ebuff); return 1; } /* Just to be safe, check we have a new sg device by trying an ioctl */ if ((ioctl(sg_fd, SG_GET_VERSION_NUM, &k) < 0) || (k < 30000)) { printf("sg_simple16: %s doesn't seem to be an new sg device\n", file_name); close(sg_fd); return 1; } /* Prepare READ_16 command */ memset(&io_hdr, 0, sizeof(sg_io_hdr_t)); io_hdr.interface_id = 'S'; io_hdr.cmd_len = sizeof(r16_cdb); /* io_hdr.iovec_count = 0; */ /* memset takes care of this */ io_hdr.mx_sb_len = sizeof(sense_buffer); io_hdr.dxfer_direction = SG_DXFER_FROM_DEV; io_hdr.dxfer_len = READ16_REPLY_LEN; io_hdr.dxferp = inBuff; io_hdr.cmdp = r16_cdb; io_hdr.sbp = sense_buffer; io_hdr.timeout = 20000; /* 20000 millisecs == 20 seconds */ /* io_hdr.flags = 0; */ /* take defaults: indirect IO, etc */ /* io_hdr.pack_id = 0; */ /* io_hdr.usr_ptr = NULL; */ if (ioctl(sg_fd, SG_IO, &io_hdr) < 0) { perror("sg_simple16: Inquiry SG_IO ioctl error"); close(sg_fd); return 1; } /* now for the error processing */ ok = 0; switch (sg_err_category3(&io_hdr)) { case SG_LIB_CAT_CLEAN: ok = 1; break; case SG_LIB_CAT_RECOVERED: printf("Recovered error on READ_16, continuing\n"); ok = 1; break; default: /* won't bother decoding other categories */ sg_chk_n_print3("READ_16 command error", &io_hdr, 1); break; } if (ok) { /* output result if it is available */ printf("READ_16 duration=%u millisecs, resid=%d, msg_status=%d\n", io_hdr.duration, io_hdr.resid, (int)io_hdr.msg_status); } close(sg_fd); return 0; }