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annotate pirollback/checknames.c @ 44:074237879eca

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pirollback: name check implemented
author Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
date Sat, 06 Jul 2013 21:31:55 +0000
parents
children 78ac405716db
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44
074237879eca pirollback: name check implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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1 #include <sys/types.h>
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2 #include <stdio.h>
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3 #include <stdlib.h>
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4 #include "types.h"
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5 #include "struct.h"
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6 #include "pathname.h"
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7
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8 extern struct inode_info inode[];
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9 extern int last_inode;
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10
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11 static void
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12 check_inode(ino)
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13 {
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14 struct inode_info *in;
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15 u8 *cp;
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16 int cnt;
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17
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18 in = inode + ino;
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19 switch (in->type) {
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20 case 0xE1:
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21 case 0xF1:
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22 case 0xF2:
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23 break;
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24 default:
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25 return;
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26 }
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27 for (cp = in->dataptr, cnt = 0; ; cp++, cnt++) {
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28 if (cnt >= in->len) {
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29 fprintf(stderr,
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30 "inode #%x: name expected at %x: length overrun\n",
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31 ino, in->offset);
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32 exit(1);
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33 }
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34 if (!*cp)
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35 break;
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36 if (cnt >= MAX_FN_COMPONENT) {
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37 fprintf(stderr,
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38 "inode #%x: name exceeds program limit of %d chars\n",
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39 ino, MAX_FN_COMPONENT);
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40 exit(1);
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41 }
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42 if (*cp < '!' || *cp > '~') {
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43 fprintf(stderr,
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44 "inode #%x: name expected at %x: bad character\n",
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45 ino, in->offset);
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46 exit(1);
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47 }
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48 }
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49 if (!cnt) {
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50 fprintf(stderr, "inode #%x: name expected at %x: null string\n",
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51 ino, in->offset);
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52 exit(1);
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53 }
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54 in->byte_after_name = cp + 1;
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55 }
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56
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57 check_object_names()
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58 {
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59 int ino;
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60
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61 for (ino = 1; ino <= last_inode; ino++)
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62 check_inode(ino);
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63 }