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annotate common/listutil.h @ 1124:fd2194295218

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(issue54) Start application after update in tray mode
author Andre Heinecke <andre.heinecke@intevation.de>
date Wed, 17 Sep 2014 12:11:57 +0200
parents edbf5e5e88f4
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1 /* Copyright (C) 2014 by Bundesamt für Sicherheit in der Informationstechnik
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2 * Software engineering by Intevation GmbH
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3 *
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4 * This file is Free Software under the GNU GPL (v>=2)
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5 * and comes with ABSOLUTELY NO WARRANTY!
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6 * See LICENSE.txt for details.
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7 */
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8 #ifndef LISTUTIL_H
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9 #define LISTUTIL_H
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10
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11 #ifdef __cplusplus
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12 extern "C" {
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13 #endif
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14
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15 #include <stddef.h>
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16 #include <stdio.h>
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17
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18 /**
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19 * @file listutil.h
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20 * @brief Functions to work with the certificate list.
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21 */
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22
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23 /**
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24 * @brief Status of the List Operations
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25 */
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26 typedef enum {
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27 Valid = 100, /*! Could be read and signature matched */
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28 UnknownError = 1, /*! The expected unexpected */
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29 TooLarge = 2, /*! Failed because the file exeeds the limit */
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30 InvalidFormat = 3, /*! File does not appear to be in list format */
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31 InvalidSignature = 4, /*! Signature was invalid */
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32 SeekFailed = 5, /*! Could not seek in the file */
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33 ReadFailed = 6, /*! File exists but could not read the file */
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34 IncompatibleVersion = 7, /*! The Format Version does not match */
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35 NoList = 8 /*! No list parsed */
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36 } list_status_t;
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37
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38 /* Definitions based on the format */
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39 #define MAX_LINE_LENGTH 9999
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40 #define MAX_LINES 1000
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41
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42 /**
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43 * @brief Obtain the complete and verified Certificate list.
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44 *
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45 * This checks if the file fileName is a valid certificate
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46 * list signed by the key specified in pubkey.h
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47 *
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48 * The caller has to free data.
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49 *
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50 * @param[in] fileName Name of the file (UTF-8 encoded).
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51 * @param[out] data Newly allocated pointer to the file content.
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52 * @param[out] size Size in Bytes of the file content.
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53 *
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54 * @return status of the operation.
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55 */
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56 list_status_t read_and_verify_list(const char *fileName, char **data, size_t *size);
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57
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58 /** @brief verify the certificate list
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59 *
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60 * The public key to verify against is the static publicKeyPEM data defined
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61 * in the pubkey header.
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62 *
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63 * @param [in] data the list data
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64 * @param [in] size the size of the data
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65 *
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66 * @returns 0 if the list is valid a polarssl error or -1 otherwise
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67 */
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68 int verify_list(const char *data, const size_t size);
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69
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70 /** @brief get a list of the certificates marked with I: or R:
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71 *
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72 * Get a list of certificates that are contained in the
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73 * certificatelist pointed to by data.
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74 * On Success this function makes a copy of the certificates
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75 * and the certificates need to be freed by the caller.
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76 *
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77 * @param [in] data the certificatelist to parse
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78 * @param [in] size the size of the certificatelist
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79 *
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80 * @returns a newly allocated array of strings containing the encoded
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81 * certificates or NULL on error.
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82 * */
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83 char **get_certs_from_list (char *data, const size_t size);
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84
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85 /**
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86 * @brief Read a file into memory.
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87 *
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88 * The caller needs to free data. If fptr is not NULL it will
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89 * recieve the pointer to the read file structure. The caller
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90 * is responsible for closing this.
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91 * fptr only needs to be closed and is only valid if the
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92 * return value is 0.
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93 *
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94 * @param[in] file_name Name of the file.
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95 * @param[out] data the file content
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96 * @param[out] size size in bytes of the file content.
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97 * @param[in] max_size the maximum amount of bytes to read.
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98 * @param[out] fptr pointer to recieve the FILE ptr or NULL
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99 *
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100 * @return 0 on success an error code otherwise.
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101 */
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102 int read_file(const char *file_name, char **data, size_t *size,
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103 const size_t max_size, FILE **fptr);
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104 #ifdef __cplusplus
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105 }
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106 #endif
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107 #endif
http://wald.intevation.org/projects/trustbridge/