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annotate rvinterf/etmsync/symlink.c @ 302:cd5068cf0551

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fc-fsio: symlink command implemented
author Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
date Sun, 02 Mar 2014 04:34:49 +0000
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children 61c68a55f2a2
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302
cd5068cf0551 fc-fsio: symlink command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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1 /*
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2 * Commands for experimenting with FFS symlinks
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3 */
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4
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5 #include <sys/types.h>
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6 #include <stdio.h>
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7 #include <stdlib.h>
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8 #include <string.h>
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9 #include <strings.h>
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10 #include "etm.h"
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11 #include "ffs.h"
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12 #include "tmffs2.h"
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13 #include "limits.h"
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14 #include "ffslimits.h"
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15 #include "localtypes.h"
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16 #include "localstruct.h"
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17 #include "exitcodes.h"
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18
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19 extern u_char rvi_msg[];
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20 extern int rvi_msg_len;
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21
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22 do_symlink(target, realobj)
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23 char *target, *realobj;
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24 {
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25 u_char cmdpkt[MAX_PKT_TO_TARGET], *dp;
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26 int rc, targlen, reallen;
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27
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28 reallen = strlen(realobj);
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29 if (reallen >= TMFFS_STRING_SIZE) {
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30 printf("error: pathname arg exceeds string length limit\n");
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31 return(ERROR_USAGE);
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32 }
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33 targlen = strlen(target);
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34 if (3 + (reallen+2) + (targlen+2) + 1 > MAX_PKT_TO_TARGET) {
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35 printf("error: symlink request fails to fit into packet\n");
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36 return(ERROR_USAGE);
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37 }
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38 dp = cmdpkt + 1;
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39 *dp++ = ETM_FFS2;
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40 *dp++ = TMFFS_SYMLINK;
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41 *dp++ = reallen + 1;
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42 strcpy(dp, realobj);
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43 dp += reallen + 1;
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44 *dp++ = targlen + 1;
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45 strcpy(dp, target);
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46 dp += targlen + 1;
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47 rc = etm_pkt_exch(cmdpkt, dp - cmdpkt - 1);
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48 if (rc)
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49 return(rc);
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50 if (rvi_msg_len != 5) {
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51 printf("error: TMFFS_SYMLINK response has wrong length\n");
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52 return(ERROR_TARGET);
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53 }
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54 if (rvi_msg[3]) {
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55 report_ffs_err("symlink", rvi_msg[3]);
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56 return(ERROR_TARGET);
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57 }
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58 return(0);
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59 }
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60
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61 cmd_symlink(argc, argv)
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62 char **argv;
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63 {
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64 return do_symlink(argv[1], argv[2]);
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65 }