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annotate rvinterf/etmsync/cleandir.c @ 926:6a0aa8d36d06

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rvinterf backslash escape: introduce libprint The new helper function library named libprint is meant to replace the badly misnamed libg23, and will soon contain functions for printing all of the same kinds of GPF TST packets that are now handled in libg23. However, we are also moving safe_print_trace() from libasync to this new library, and changing it to emit our new backslash escape format.
author Mychaela Falconia <falcon@freecalypso.org>
date Tue, 23 May 2023 03:47:46 +0000
parents e6fe9d25377a
children
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rev   line source
594
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1 /*
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2 * The implementation of cleandir and rm-subtree commands lives here.
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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 char *pathname_for_ffs_child();
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20
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21 cleandir_level(ffspath_dir)
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22 char *ffspath_dir;
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23 {
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24 u_char rdstate[4];
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25 char rdbuf[MAX_FN_COMPONENT+1], ffspath_child[MAX_FULL_PATHNAME+1];
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26 char *childp;
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27 int nument, i, rc;
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28 struct stat_info stat;
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29
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30 rc = do_opendir(ffspath_dir, rdstate, &nument);
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31 if (rc)
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32 return(rc);
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33 if (!nument)
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34 return(0);
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35 childp = pathname_for_ffs_child(ffspath_dir, ffspath_child);
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36 if (!childp) {
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37 printf("error: non-empty dir at the limit of pathname depth\n");
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38 return(ERROR_TARGET);
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39 }
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40 for (i = 0; i < nument; i++) {
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41 rc = do_readdir(rdstate, rdbuf, MAX_FN_COMPONENT+1);
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42 if (rc)
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43 return(rc);
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44 if (index(rdbuf, '/')) {
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45 printf("error: readdir result contains a slash\n");
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46 return(ERROR_TARGET);
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47 }
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48 strcpy(childp, rdbuf);
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49 rc = do_xlstat(ffspath_child, &stat);
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50 if (rc) {
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51 printf("xlstat failed on %s\n", ffspath_child);
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52 return(rc);
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53 }
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54 if (stat.type == OT_DIR) {
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55 rc = cleandir_level(ffspath_child);
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56 if (rc)
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57 return(rc);
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58 }
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59 rc = do_ffs_remove(ffspath_child, 0);
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60 if (rc)
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61 return(rc);
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62 }
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63 return(0);
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64 }
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65
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66 cmd_cleandir(argc, argv)
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67 char **argv;
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68 {
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69 int rc;
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70
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71 rc = validate_ffs_pathname(argv[1]);
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72 if (rc < 0)
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73 return(ERROR_USAGE); /* err msg already printed */
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74 if (rc == 0) {
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75 fprintf(stderr, "error: cleandir / is not allowed\n");
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76 return(ERROR_USAGE);
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77 }
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78 return cleandir_level(argv[1]);
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79 }
595
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80
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81 cmd_rm_subtree(argc, argv)
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82 char **argv;
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83 {
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84 char *pathname;
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85 int rc, minusf_mode, found;
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86 struct stat_info stat;
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87
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88 if (argc == 2) {
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89 pathname = argv[1];
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90 minusf_mode = 0;
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91 } else {
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92 if (strcmp(argv[1], "-f")) {
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93 fprintf(stderr,
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94 "usage: rm-subtree [-f] ffs_pathname\n");
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95 return(ERROR_USAGE);
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96 }
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97 pathname = argv[2];
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98 minusf_mode = 1;
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99 }
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100 rc = validate_ffs_pathname(pathname);
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101 if (rc < 0)
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102 return(ERROR_USAGE); /* err msg already printed */
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103 if (rc == 0) {
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104 fprintf(stderr, "error: rm-subtree / is not allowed\n");
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105 return(ERROR_USAGE);
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106 }
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107 if (minusf_mode) {
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108 rc = do_xlstat_notfoundok(pathname, &found, &stat);
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109 if (rc)
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110 return(rc);
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111 if (!found)
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112 return(0);
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113 } else {
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114 rc = do_xlstat(pathname, &stat);
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115 if (rc)
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116 return(rc);
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117 }
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118 if (stat.type != OT_DIR) {
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119 printf("error: %s exists and is not a directory\n", pathname);
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120 return(ERROR_TARGET);
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121 }
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122 rc = cleandir_level(pathname);
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123 if (rc)
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124 return(rc);
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125 return do_ffs_remove(pathname, 0);
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126 }