1 /* Copyright (C) 2005 Red Hat, Inc. */ 2 3 struct semanage_seuser; 4 struct semanage_seuser_key; 5 typedef struct semanage_seuser record_t; 6 typedef struct semanage_seuser_key record_key_t; 7 #define DBASE_RECORD_DEFINED 8 9 struct dbase_file; 10 typedef struct dbase_file dbase_t; 11 #define DBASE_DEFINED 12 13 #include <stdlib.h> 14 #include <stdio.h> 15 16 #include "seuser_internal.h" 17 #include "database_file.h" 18 #include "parse_utils.h" 19 #include "debug.h" 20 #include "handle.h" 21 22 static int seuser_print(semanage_handle_t * handle, 23 semanage_seuser_t * seuser, FILE * str) 24 { 25 26 const char *name = semanage_seuser_get_name(seuser); 27 const char *sename = semanage_seuser_get_sename(seuser); 28 const char *mls = semanage_seuser_get_mlsrange(seuser); 29 30 if (fprintf(str, "%s:%s", name, sename) < 0) 31 goto err; 32 33 if (mls != NULL && fprintf(str, ":%s", mls) < 0) 34 goto err; 35 36 fprintf(str, "\n"); 37 return STATUS_SUCCESS; 38 39 err: 40 ERR(handle, "could not print seuser %s to stream", name); 41 return STATUS_ERR; 42 } 43 44 static int seuser_parse(semanage_handle_t * handle, 45 parse_info_t * info, semanage_seuser_t * seuser) 46 { 47 48 char *str = NULL; 49 50 if (parse_skip_space(handle, info) < 0) 51 goto err; 52 if (!info->ptr) 53 goto last; 54 55 /* Extract name */ 56 if (parse_fetch_string(handle, info, &str, ':') < 0) 57 goto err; 58 if (semanage_seuser_set_name(handle, seuser, str) < 0) 59 goto err; 60 free(str); 61 str = NULL; 62 63 if (parse_skip_space(handle, info) < 0) 64 goto err; 65 if (parse_assert_ch(handle, info, ':') < 0) 66 goto err; 67 if (parse_skip_space(handle, info) < 0) 68 goto err; 69 70 /* Extract sename */ 71 if (parse_fetch_string(handle, info, &str, ':') < 0) 72 goto err; 73 if (semanage_seuser_set_sename(handle, seuser, str) < 0) 74 goto err; 75 free(str); 76 str = NULL; 77 78 if (parse_skip_space(handle, info) < 0) 79 goto err; 80 if (parse_optional_ch(info, ':') == STATUS_NODATA) 81 goto out; 82 if (parse_skip_space(handle, info) < 0) 83 goto err; 84 85 /* NOTE: does not allow spaces/multiline */ 86 if (parse_fetch_string(handle, info, &str, ' ') < 0) 87 goto err; 88 89 if (semanage_seuser_set_mlsrange(handle, seuser, str) < 0) 90 goto err; 91 free(str); 92 str = NULL; 93 94 if (parse_assert_space(handle, info) < 0) 95 goto err; 96 97 out: 98 return STATUS_SUCCESS; 99 100 last: 101 parse_dispose_line(info); 102 return STATUS_NODATA; 103 104 err: 105 ERR(handle, "could not parse seuser record"); 106 free(str); 107 parse_dispose_line(info); 108 return STATUS_ERR; 109 } 110 111 /* SEUSER RECORD: FILE extension: method table */ 112 record_file_table_t SEMANAGE_SEUSER_FILE_RTABLE = { 113 .parse = seuser_parse, 114 .print = seuser_print, 115 }; 116 117 int seuser_file_dbase_init(semanage_handle_t * handle, 118 const char *path_ro, 119 const char *path_rw, 120 dbase_config_t * dconfig) 121 { 122 123 if (dbase_file_init(handle, 124 path_ro, 125 path_rw, 126 &SEMANAGE_SEUSER_RTABLE, 127 &SEMANAGE_SEUSER_FILE_RTABLE, &dconfig->dbase) < 0) 128 return STATUS_ERR; 129 130 dconfig->dtable = &SEMANAGE_FILE_DTABLE; 131 return STATUS_SUCCESS; 132 } 133 134 void seuser_file_dbase_release(dbase_config_t * dconfig) 135 { 136 137 dbase_file_release(dconfig->dbase); 138 } 139
