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00024 #ifndef OSCAP_UTIL_H_
00025 #define OSCAP_UTIL_H_
00026
00027 #include <stdbool.h>
00028 #include <assert.h>
00029 #include "public/oscap.h"
00030 #include "alloc.h"
00031 #include <stdarg.h>
00032 #include <string.h>
00033
00034 #ifndef __attribute__nonnull__
00035 #define __attribute__nonnull__(x) assert((x) != NULL)
00036 #endif
00037
00038
00039
00040
00041
00042 #ifndef OSCAP_HIDDEN_START
00043 #define OSCAP_HIDDEN_START _Pragma("GCC visibility push(hidden)")
00044 #endif
00045
00046
00047
00048
00049
00050 #ifndef OSCAP_HIDDEN_END
00051 #define OSCAP_HIDDEN_END _Pragma("GCC visibility pop")
00052 #endif
00053
00054 OSCAP_HIDDEN_START
00055
00059 typedef void (*oscap_destruct_func) (void *);
00060
00064 typedef void* (*oscap_clone_func) (void *);
00065
00069 typedef void (*oscap_consumer_func) (void *, void *);
00070
00081 #define OSCAP_GENERIC_GETTER_CONV(RTYPE,CONV,SNAME,MNAME,MEXP) \
00082 RTYPE SNAME##_get_##MNAME(const struct SNAME* item) { return (CONV(item->MEXP)); }
00083
00092 #define OSCAP_GENERIC_GETTER(RTYPE,SNAME,MNAME,MEXP) \
00093 OSCAP_GENERIC_GETTER_CONV(RTYPE,,SNAME,MNAME,MEXP)
00094
00103 #define OSCAP_GENERIC_GETTER_FORCE(RTYPE,SNAME,MNAME,MEXP) \
00104 OSCAP_GENERIC_GETTER_CONV(RTYPE,(RTYPE),SNAME,MNAME,MEXP)
00105
00114 #define OSCAP_GETTER_FORCE(RTYPE,SNAME,MNAME) \
00115 OSCAP_GENERIC_GETTER_FORCE(RTYPE,SNAME,MNAME,MNAME)
00116
00125 #define OSCAP_GETTER(RTYPE,SNAME,MNAME) \
00126 OSCAP_GENERIC_GETTER(RTYPE,SNAME,MNAME,MNAME)
00127
00128 #define ITERATOR_CAST(x) ((struct oscap_iterator*)(x))
00129 #define OSCAP_ITERATOR(n) struct n##_iterator*
00130 #define OSCAP_ITERATOR_FWD(n) struct n##_iterator;
00131 #define OSCAP_ITERATOR_HAS_MORE(n) bool n##_iterator_has_more(OSCAP_ITERATOR(n) it) { return oscap_iterator_has_more(ITERATOR_CAST(it)); }
00132 #define OSCAP_ITERATOR_NEXT(t,n) t n##_iterator_next(OSCAP_ITERATOR(n) it) { return oscap_iterator_next(ITERATOR_CAST(it)); }
00133 #define OSCAP_ITERATOR_FREE(n) void n##_iterator_free(OSCAP_ITERATOR(n) it) { oscap_iterator_free(ITERATOR_CAST(it)); }
00134 #define OSCAP_ITERATOR_RESET(n) void n##_iterator_reset(OSCAP_ITERATOR(n) it) { oscap_iterator_reset(ITERATOR_CAST(it)); }
00135 #define OSCAP_ITERATOR_DETACH(t,n) t n##_iterator_detach(OSCAP_ITERATOR(n) it) { return oscap_iterator_detach(ITERATOR_CAST(it)); }
00136 #define OSCAP_ITERATOR_GEN_T(t,n) OSCAP_ITERATOR_FWD(n) OSCAP_ITERATOR_HAS_MORE(n) OSCAP_ITERATOR_RESET(n) OSCAP_ITERATOR_NEXT(t,n) OSCAP_ITERATOR_FREE(n)
00137 #define OSCAP_ITERATOR_GEN(n) OSCAP_ITERATOR_GEN_T(struct n*,n)
00138
00139 #define OSCAP_ITERATOR_REMOVE_T(t,n,destructor) \
00140 void n##_iterator_remove(OSCAP_ITERATOR(n) it) { destructor(oscap_iterator_detach(ITERATOR_CAST(it))); }
00141 #define OSCAP_ITERATOR_REMOVE(n,destructor) OSCAP_ITERATOR_REMOVE_T(struct n*,n,destructor)
00142 #define OSCAP_ITERATOR_REMOVE_F(n) OSCAP_ITERATOR_REMOVE(n, n##_free)
00143
00144
00154 #define OSCAP_IGETTER_CONV(ITYPE,SNAME,MNAME,CONV) \
00155 struct ITYPE##_iterator* SNAME##_get_##MNAME(const struct SNAME* item) \
00156 { return oscap_iterator_new((CONV(item))->MNAME); }
00157
00166 #define OSCAP_IGETTER(ITYPE,SNAME,MNAME) OSCAP_IGETTER_CONV(ITYPE,SNAME,MNAME,)
00167
00173 #define OSCAP_IGETTER_GEN(ITYPE,SNAME,MNAME) OSCAP_IGETTER(ITYPE,SNAME,MNAME) OSCAP_ITERATOR_GEN(ITYPE)
00174
00184 #define OSCAP_HGETTER_EXP(RTYPE,SNAME,MNAME,MEXP) \
00185 RTYPE SNAME##_get_##MNAME(const struct SNAME* item, const char* key) \
00186 { return oscap_htable_get(item->MEXP, key); }
00187
00196 #define OSCAP_HGETTER(RTYPE,SNAME,MNAME) OSCAP_HGETTER_EXP(RTYPE,SNAME,MNAME,MNAME)
00197
00206 #define OSCAP_HGETTER_STRUCT(RTYPE,SNAME,MNAME) OSCAP_HGETTER_EXP(struct RTYPE*,SNAME,MNAME,MNAME)
00207
00208 #define OSCAP_SETTER_HEADER(SNAME, MTYPE, MNAME) bool SNAME##_set_##MNAME(struct SNAME *obj, MTYPE newval)
00209
00221 #define OSCAP_SETTER_GENERIC_CHECK(SNAME, MTYPE, MNAME, CHECK, DELETER, ASSIGNER) \
00222 OSCAP_SETTER_HEADER(SNAME, MTYPE, MNAME) \
00223 { if (!(CHECK)) return false; DELETER(obj->MNAME); obj->MNAME = ASSIGNER(newval); return true; }
00224
00229 #define OSCAP_SETTER_GENERIC(SNAME, MTYPE, MNAME, DELETER, ASSIGNER) \
00230 OSCAP_SETTER_HEADER(SNAME, MTYPE, MNAME) \
00231 { DELETER(obj->MNAME); obj->MNAME = ASSIGNER(newval); return true; }
00232
00237 #define OSCAP_SETTER_GENERIC_NODELETE(SNAME, MTYPE, MNAME, ASSIGNER) \
00238 OSCAP_SETTER_HEADER(SNAME, MTYPE, MNAME) \
00239 { obj->MNAME = ASSIGNER(newval); return true; }
00240
00245 #define OSCAP_SETTER_SIMPLE(SNAME, MTYPE, MNAME) \
00246 OSCAP_SETTER_GENERIC_NODELETE(SNAME, MTYPE, MNAME, )
00247
00253 #define OSCAP_SETTER_STRING(SNAME, MNAME) \
00254 OSCAP_SETTER_GENERIC(SNAME, const char *, MNAME, free, oscap_strdup)
00255
00259 #define OSCAP_ACCESSOR_STRING(SNAME, MNAME) \
00260 OSCAP_GETTER(const char*, SNAME, MNAME) OSCAP_SETTER_STRING(SNAME, MNAME)
00261
00265 #define OSCAP_ACCESSOR_TEXT(SNAME, MNAME) \
00266 OSCAP_GETTER(struct oscap_text *, SNAME, MNAME) \
00267 OSCAP_SETTER_GENERIC(SNAME, struct oscap_text*, MNAME, oscap_text_free, )
00268
00272 #define OSCAP_ACCESSOR_SIMPLE(MTYPE, SNAME, MNAME) \
00273 OSCAP_GETTER(MTYPE, SNAME, MNAME) OSCAP_SETTER_SIMPLE(SNAME, MTYPE, MNAME)
00274
00279 #define OSCAP_ACCESSOR_EXP(MTYPE, SNAME, MNAME, MEXP) \
00280 OSCAP_GENERIC_GETTER(MTYPE, SNAME, MNAME, MEXP) \
00281 OSCAP_SETTER_HEADER(SNAME, MTYPE, MNAME) { obj->MEXP = newval; return true; }
00282
00292 #define OSCAP_INSERTER(SNAME, FNAME, MTYPE, MNAME) \
00293 bool SNAME##_add_##FNAME(struct SNAME *obj, struct MTYPE *item) \
00294 { oscap_list_add(obj->MNAME, item); return true; }
00295
00296
00297 #define OSCAP_IGETINS(ITYPE, SNAME, MNAME, FNAME) \
00298 OSCAP_IGETTER(ITYPE, SNAME, MNAME) OSCAP_INSERTER(SNAME, FNAME, ITYPE, MNAME)
00299
00300 #define OSCAP_IGETINS_GEN(ITYPE, SNAME, MNAME, FNAME) \
00301 OSCAP_IGETTER_GEN(ITYPE, SNAME, MNAME) OSCAP_INSERTER(SNAME, FNAME, ITYPE, MNAME)
00302
00310 struct oscap_string_map {
00311 const int value;
00312 const char *string;
00313 };
00314
00321 int oscap_string_to_enum(const struct oscap_string_map *map, const char *str);
00322
00329 const char *oscap_enum_to_string(const struct oscap_string_map *map, int val);
00330
00335 static inline char *oscap_strdup(const char *str) {
00336 if (str == NULL)
00337 return NULL;
00338
00339 #ifdef _MSC_VER
00340 return _strdup(str);
00341 #else
00342 return strdup(str);
00343 #endif
00344 }
00345
00354 char **oscap_split(char *str, const char *delim);
00355
00356
00358 static inline int oscap_strcmp(const char *s1, const char *s2) {
00359 if (s1 == NULL) s1 = "";
00360 if (s2 == NULL) s2 = "";
00361 return strcmp(s1, s2);
00362 }
00363
00365 static inline bool oscap_streq(const char *s1, const char *s2) {
00366 return oscap_strcmp(s1, s2) == 0;
00367 }
00368
00370 static inline bool oscap_str_startswith(const char *str, const char *prefix) {
00371 return strncmp(str, prefix, strlen(prefix)) == 0;
00372 }
00373
00375 static inline bool oscap_str_endswith(const char *str, const char *suffix) {
00376 const size_t str_len = strlen(str);
00377 const size_t suffix_len = strlen(suffix);
00378 if (suffix_len > str_len)
00379 return false;
00380 return strncmp(str + str_len - suffix_len, suffix, suffix_len) == 0;
00381 }
00383 char *oscap_trim(char *str);
00385 char *oscap_vsprintf(const char *fmt, va_list ap);
00386
00387
00388 OSCAP_HIDDEN_END;
00389
00391 char *oscap_sprintf(const char *fmt, ...);
00392
00393 OSCAP_HIDDEN_START;
00394
00396 const char *oscap_strlist_find_value(char ** const kvalues, const char *key);
00398 char *oscap_rtrim(char *str, char ch);
00400 void oscap_strtoupper(char *str);
00401
00402
00403 bool oscap_ptr_cmp(void *node1, void *node2);
00404
00416 char *oscap_expand_ipv6(const char *input);
00417
00418 #ifndef OSCAP_CONCAT
00419 # define OSCAP_CONCAT1(a,b) a ## b
00420 # define OSCAP_CONCAT(a,b) OSCAP_CONCAT1(a,b)
00421 #endif
00422
00423 #define OSCAP_GSYM(s) OSCAP_CONCAT(___G_, s)
00424
00425 #define protect_errno \
00426 for (int OSCAP_CONCAT(__e,__LINE__)=errno, OSCAP_CONCAT(__s,__LINE__)=1; OSCAP_CONCAT(__s,__LINE__)--; errno=OSCAP_CONCAT(__e,__LINE__))
00427
00428 OSCAP_HIDDEN_END;
00429
00430 #endif