Sat, 12 Nov 2022 17:28:32 +0100
improve error handling in send_file if the file is a directory
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1 | /* |
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2 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. |
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3 | * |
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4 | * Copyright 2013 Olaf Wintermann. All rights reserved. |
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5 | * |
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6 | * Redistribution and use in source and binary forms, with or without |
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7 | * modification, are permitted provided that the following conditions are met: |
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8 | * |
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9 | * 1. Redistributions of source code must retain the above copyright |
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10 | * notice, this list of conditions and the following disclaimer. |
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11 | * |
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12 | * 2. Redistributions in binary form must reproduce the above copyright |
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13 | * notice, this list of conditions and the following disclaimer in the |
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14 | * documentation and/or other materials provided with the distribution. |
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15 | * |
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16 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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17 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
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20 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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21 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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22 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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23 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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24 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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25 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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26 | * POSSIBILITY OF SUCH DAMAGE. |
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27 | */ |
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28 | |
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29 | #include <stdio.h> |
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30 | #include <stdlib.h> |
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31 | #include <string.h> |
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32 | |
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33 | #include <cx/mempool.h> |
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34 | #include "mimeconf.h" |
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35 | |
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36 | #define MIMECONFIG_MAX_TOKENS 4096 |
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37 | |
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38 | MimeConfig *load_mime_config(const char *file) { |
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39 | FILE *in = fopen(file, "r"); |
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40 | if(in == NULL) { |
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41 | log_ereport(LOG_FAILURE, "Cannot load mime config file %s: %s", file, strerror(errno)); |
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42 | return NULL; |
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43 | } |
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44 | |
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45 | MimeConfig *conf = malloc(sizeof(MimeConfig)); |
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46 | conf->parser.parse = mimeconf_parse; |
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47 | conf->directives_begin = NULL; |
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48 | conf->directives_end = NULL; |
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49 | conf->ntypes = 0; |
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50 | int r = cfg_parse_basic_file((ConfigParser*)conf, in); |
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51 | if(r != 0) { |
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52 | log_ereport(LOG_FAILURE, "Cannot parse mime config file %s", file); |
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53 | fclose(in); |
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54 | free(conf); |
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55 | // TODO: free |
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56 | return NULL; |
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57 | } |
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58 | |
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59 | fclose(in); |
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60 | |
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61 | return conf; |
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62 | } |
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63 | |
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64 | void free_mime_config(MimeConfig *conf) { |
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65 | //ucx_mempool_destroy(conf->parser.mp->pool); |
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66 | free(conf); |
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67 | } |
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68 | |
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69 | int mimeconf_parse(void *p, ConfigLine *begin, ConfigLine *end, cxmutstr line) { |
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70 | MimeConfig *conf = p; |
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71 | CxAllocator *mp = conf->parser.mp; |
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72 | |
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73 | // parse mime directive |
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75 | |
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76 | ConfigParam *params = cfg_param_list(line, mp); |
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77 | for(ConfigParam *param=params;param;param=param->next) { |
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78 | if(!cx_strcmp(cx_strcast(param->name), cx_str("type"))) { |
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79 | dir->type = param->value; |
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80 | } else if(!cx_strcmp(cx_strcast(param->name), cx_str("exts"))) { |
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81 | // comma-separated file extensions |
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82 | dir->nextensions = cx_strsplit_a(mp, cx_strcast(param->value), cx_strn(",", 1), MIMECONFIG_MAX_TOKENS, &dir->extensions); |
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83 | } |
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84 | } |
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85 | |
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86 | CFG_MIME_ADD(&conf->directives_begin, &conf->directives_end, dir); |
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87 | |
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88 | conf->ntypes++; |
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89 | |
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90 | return 0; |
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91 | } |