diff options
Diffstat (limited to 'openssl/crypto/objects/o_names.c')
-rw-r--r-- | openssl/crypto/objects/o_names.c | 579 |
1 files changed, 285 insertions, 294 deletions
diff --git a/openssl/crypto/objects/o_names.c b/openssl/crypto/objects/o_names.c index 4a548c2ed..e1e13a613 100644 --- a/openssl/crypto/objects/o_names.c +++ b/openssl/crypto/objects/o_names.c @@ -8,7 +8,8 @@ #include <openssl/safestack.h> #include <openssl/e_os2.h> -/* Later versions of DEC C has started to add lnkage information to certain +/* + * Later versions of DEC C has started to add lnkage information to certain * functions, which makes it tricky to use them as values to regular function * pointers. One way is to define a macro that takes care of casting them * correctly. @@ -19,354 +20,344 @@ # define OPENSSL_strcmp strcmp #endif -/* I use the ex_data stuff to manage the identifiers for the obj_name_types +/* + * I use the ex_data stuff to manage the identifiers for the obj_name_types * that applications may define. I only really use the free function field. */ DECLARE_LHASH_OF(OBJ_NAME); -static LHASH_OF(OBJ_NAME) *names_lh=NULL; -static int names_type_num=OBJ_NAME_TYPE_NUM; +static LHASH_OF(OBJ_NAME) *names_lh = NULL; +static int names_type_num = OBJ_NAME_TYPE_NUM; -typedef struct name_funcs_st - { - unsigned long (*hash_func)(const char *name); - int (*cmp_func)(const char *a,const char *b); - void (*free_func)(const char *, int, const char *); - } NAME_FUNCS; +typedef struct name_funcs_st { + unsigned long (*hash_func) (const char *name); + int (*cmp_func) (const char *a, const char *b); + void (*free_func) (const char *, int, const char *); +} NAME_FUNCS; DECLARE_STACK_OF(NAME_FUNCS) IMPLEMENT_STACK_OF(NAME_FUNCS) static STACK_OF(NAME_FUNCS) *name_funcs_stack; -/* The LHASH callbacks now use the raw "void *" prototypes and do per-variable - * casting in the functions. This prevents function pointer casting without the - * need for macro-generated wrapper functions. */ +/* + * The LHASH callbacks now use the raw "void *" prototypes and do + * per-variable casting in the functions. This prevents function pointer + * casting without the need for macro-generated wrapper functions. + */ /* static unsigned long obj_name_hash(OBJ_NAME *a); */ static unsigned long obj_name_hash(const void *a_void); /* static int obj_name_cmp(OBJ_NAME *a,OBJ_NAME *b); */ -static int obj_name_cmp(const void *a_void,const void *b_void); +static int obj_name_cmp(const void *a_void, const void *b_void); static IMPLEMENT_LHASH_HASH_FN(obj_name, OBJ_NAME) static IMPLEMENT_LHASH_COMP_FN(obj_name, OBJ_NAME) int OBJ_NAME_init(void) - { - if (names_lh != NULL) return(1); - MemCheck_off(); - names_lh=lh_OBJ_NAME_new(); - MemCheck_on(); - return(names_lh != NULL); - } - -int OBJ_NAME_new_index(unsigned long (*hash_func)(const char *), - int (*cmp_func)(const char *, const char *), - void (*free_func)(const char *, int, const char *)) - { - int ret; - int i; - NAME_FUNCS *name_funcs; - - if (name_funcs_stack == NULL) - { - MemCheck_off(); - name_funcs_stack=sk_NAME_FUNCS_new_null(); - MemCheck_on(); - } - if (name_funcs_stack == NULL) - { - /* ERROR */ - return(0); - } - ret=names_type_num; - names_type_num++; - for (i=sk_NAME_FUNCS_num(name_funcs_stack); i<names_type_num; i++) - { - MemCheck_off(); - name_funcs = OPENSSL_malloc(sizeof(NAME_FUNCS)); - MemCheck_on(); - if (!name_funcs) - { - OBJerr(OBJ_F_OBJ_NAME_NEW_INDEX,ERR_R_MALLOC_FAILURE); - return(0); - } - name_funcs->hash_func = lh_strhash; - name_funcs->cmp_func = OPENSSL_strcmp; - name_funcs->free_func = 0; /* NULL is often declared to - * ((void *)0), which according - * to Compaq C is not really - * compatible with a function - * pointer. -- Richard Levitte*/ - MemCheck_off(); - sk_NAME_FUNCS_push(name_funcs_stack,name_funcs); - MemCheck_on(); - } - name_funcs = sk_NAME_FUNCS_value(name_funcs_stack, ret); - if (hash_func != NULL) - name_funcs->hash_func = hash_func; - if (cmp_func != NULL) - name_funcs->cmp_func = cmp_func; - if (free_func != NULL) - name_funcs->free_func = free_func; - return(ret); - } +{ + if (names_lh != NULL) + return (1); + MemCheck_off(); + names_lh = lh_OBJ_NAME_new(); + MemCheck_on(); + return (names_lh != NULL); +} + +int OBJ_NAME_new_index(unsigned long (*hash_func) (const char *), + int (*cmp_func) (const char *, const char *), + void (*free_func) (const char *, int, const char *)) +{ + int ret; + int i; + NAME_FUNCS *name_funcs; + + if (name_funcs_stack == NULL) { + MemCheck_off(); + name_funcs_stack = sk_NAME_FUNCS_new_null(); + MemCheck_on(); + } + if (name_funcs_stack == NULL) { + /* ERROR */ + return (0); + } + ret = names_type_num; + names_type_num++; + for (i = sk_NAME_FUNCS_num(name_funcs_stack); i < names_type_num; i++) { + MemCheck_off(); + name_funcs = OPENSSL_malloc(sizeof(NAME_FUNCS)); + MemCheck_on(); + if (!name_funcs) { + OBJerr(OBJ_F_OBJ_NAME_NEW_INDEX, ERR_R_MALLOC_FAILURE); + return (0); + } + name_funcs->hash_func = lh_strhash; + name_funcs->cmp_func = OPENSSL_strcmp; + name_funcs->free_func = 0; /* NULL is often declared to * ((void + * *)0), which according * to Compaq C is + * not really * compatible with a function + * * pointer. -- Richard Levitte */ + MemCheck_off(); + sk_NAME_FUNCS_push(name_funcs_stack, name_funcs); + MemCheck_on(); + } + name_funcs = sk_NAME_FUNCS_value(name_funcs_stack, ret); + if (hash_func != NULL) + name_funcs->hash_func = hash_func; + if (cmp_func != NULL) + name_funcs->cmp_func = cmp_func; + if (free_func != NULL) + name_funcs->free_func = free_func; + return (ret); +} /* static int obj_name_cmp(OBJ_NAME *a, OBJ_NAME *b) */ static int obj_name_cmp(const void *a_void, const void *b_void) - { - int ret; - const OBJ_NAME *a = (const OBJ_NAME *)a_void; - const OBJ_NAME *b = (const OBJ_NAME *)b_void; - - ret=a->type-b->type; - if (ret == 0) - { - if ((name_funcs_stack != NULL) - && (sk_NAME_FUNCS_num(name_funcs_stack) > a->type)) - { - ret=sk_NAME_FUNCS_value(name_funcs_stack, - a->type)->cmp_func(a->name,b->name); - } - else - ret=strcmp(a->name,b->name); - } - return(ret); - } +{ + int ret; + const OBJ_NAME *a = (const OBJ_NAME *)a_void; + const OBJ_NAME *b = (const OBJ_NAME *)b_void; + + ret = a->type - b->type; + if (ret == 0) { + if ((name_funcs_stack != NULL) + && (sk_NAME_FUNCS_num(name_funcs_stack) > a->type)) { + ret = sk_NAME_FUNCS_value(name_funcs_stack, + a->type)->cmp_func(a->name, b->name); + } else + ret = strcmp(a->name, b->name); + } + return (ret); +} /* static unsigned long obj_name_hash(OBJ_NAME *a) */ static unsigned long obj_name_hash(const void *a_void) - { - unsigned long ret; - const OBJ_NAME *a = (const OBJ_NAME *)a_void; - - if ((name_funcs_stack != NULL) && (sk_NAME_FUNCS_num(name_funcs_stack) > a->type)) - { - ret=sk_NAME_FUNCS_value(name_funcs_stack, - a->type)->hash_func(a->name); - } - else - { - ret=lh_strhash(a->name); - } - ret^=a->type; - return(ret); - } +{ + unsigned long ret; + const OBJ_NAME *a = (const OBJ_NAME *)a_void; + + if ((name_funcs_stack != NULL) + && (sk_NAME_FUNCS_num(name_funcs_stack) > a->type)) { + ret = + sk_NAME_FUNCS_value(name_funcs_stack, + a->type)->hash_func(a->name); + } else { + ret = lh_strhash(a->name); + } + ret ^= a->type; + return (ret); +} const char *OBJ_NAME_get(const char *name, int type) - { - OBJ_NAME on,*ret; - int num=0,alias; - - if (name == NULL) return(NULL); - if ((names_lh == NULL) && !OBJ_NAME_init()) return(NULL); - - alias=type&OBJ_NAME_ALIAS; - type&= ~OBJ_NAME_ALIAS; - - on.name=name; - on.type=type; - - for (;;) - { - ret=lh_OBJ_NAME_retrieve(names_lh,&on); - if (ret == NULL) return(NULL); - if ((ret->alias) && !alias) - { - if (++num > 10) return(NULL); - on.name=ret->data; - } - else - { - return(ret->data); - } - } - } +{ + OBJ_NAME on, *ret; + int num = 0, alias; + + if (name == NULL) + return (NULL); + if ((names_lh == NULL) && !OBJ_NAME_init()) + return (NULL); + + alias = type & OBJ_NAME_ALIAS; + type &= ~OBJ_NAME_ALIAS; + + on.name = name; + on.type = type; + + for (;;) { + ret = lh_OBJ_NAME_retrieve(names_lh, &on); + if (ret == NULL) + return (NULL); + if ((ret->alias) && !alias) { + if (++num > 10) + return (NULL); + on.name = ret->data; + } else { + return (ret->data); + } + } +} int OBJ_NAME_add(const char *name, int type, const char *data) - { - OBJ_NAME *onp,*ret; - int alias; - - if ((names_lh == NULL) && !OBJ_NAME_init()) return(0); - - alias=type&OBJ_NAME_ALIAS; - type&= ~OBJ_NAME_ALIAS; - - onp=(OBJ_NAME *)OPENSSL_malloc(sizeof(OBJ_NAME)); - if (onp == NULL) - { - /* ERROR */ - return(0); - } - - onp->name=name; - onp->alias=alias; - onp->type=type; - onp->data=data; - - ret=lh_OBJ_NAME_insert(names_lh,onp); - if (ret != NULL) - { - /* free things */ - if ((name_funcs_stack != NULL) && (sk_NAME_FUNCS_num(name_funcs_stack) > ret->type)) - { - /* XXX: I'm not sure I understand why the free - * function should get three arguments... - * -- Richard Levitte - */ - sk_NAME_FUNCS_value(name_funcs_stack, - ret->type)->free_func(ret->name,ret->type,ret->data); - } - OPENSSL_free(ret); - } - else - { - if (lh_OBJ_NAME_error(names_lh)) - { - /* ERROR */ - return(0); - } - } - return(1); - } +{ + OBJ_NAME *onp, *ret; + int alias; + + if ((names_lh == NULL) && !OBJ_NAME_init()) + return (0); + + alias = type & OBJ_NAME_ALIAS; + type &= ~OBJ_NAME_ALIAS; + + onp = (OBJ_NAME *)OPENSSL_malloc(sizeof(OBJ_NAME)); + if (onp == NULL) { + /* ERROR */ + return (0); + } + + onp->name = name; + onp->alias = alias; + onp->type = type; + onp->data = data; + + ret = lh_OBJ_NAME_insert(names_lh, onp); + if (ret != NULL) { + /* free things */ + if ((name_funcs_stack != NULL) + && (sk_NAME_FUNCS_num(name_funcs_stack) > ret->type)) { + /* + * XXX: I'm not sure I understand why the free function should + * get three arguments... -- Richard Levitte + */ + sk_NAME_FUNCS_value(name_funcs_stack, + ret->type)->free_func(ret->name, ret->type, + ret->data); + } + OPENSSL_free(ret); + } else { + if (lh_OBJ_NAME_error(names_lh)) { + /* ERROR */ + return (0); + } + } + return (1); +} int OBJ_NAME_remove(const char *name, int type) - { - OBJ_NAME on,*ret; - - if (names_lh == NULL) return(0); - - type&= ~OBJ_NAME_ALIAS; - on.name=name; - on.type=type; - ret=lh_OBJ_NAME_delete(names_lh,&on); - if (ret != NULL) - { - /* free things */ - if ((name_funcs_stack != NULL) && (sk_NAME_FUNCS_num(name_funcs_stack) > ret->type)) - { - /* XXX: I'm not sure I understand why the free - * function should get three arguments... - * -- Richard Levitte - */ - sk_NAME_FUNCS_value(name_funcs_stack, - ret->type)->free_func(ret->name,ret->type,ret->data); - } - OPENSSL_free(ret); - return(1); - } - else - return(0); - } - -struct doall - { - int type; - void (*fn)(const OBJ_NAME *,void *arg); - void *arg; - }; - -static void do_all_fn_doall_arg(const OBJ_NAME *name,struct doall *d) - { - if(name->type == d->type) - d->fn(name,d->arg); - } +{ + OBJ_NAME on, *ret; + + if (names_lh == NULL) + return (0); + + type &= ~OBJ_NAME_ALIAS; + on.name = name; + on.type = type; + ret = lh_OBJ_NAME_delete(names_lh, &on); + if (ret != NULL) { + /* free things */ + if ((name_funcs_stack != NULL) + && (sk_NAME_FUNCS_num(name_funcs_stack) > ret->type)) { + /* + * XXX: I'm not sure I understand why the free function should + * get three arguments... -- Richard Levitte + */ + sk_NAME_FUNCS_value(name_funcs_stack, + ret->type)->free_func(ret->name, ret->type, + ret->data); + } + OPENSSL_free(ret); + return (1); + } else + return (0); +} + +struct doall { + int type; + void (*fn) (const OBJ_NAME *, void *arg); + void *arg; +}; + +static void do_all_fn_doall_arg(const OBJ_NAME *name, struct doall *d) +{ + if (name->type == d->type) + d->fn(name, d->arg); +} static IMPLEMENT_LHASH_DOALL_ARG_FN(do_all_fn, const OBJ_NAME, struct doall) -void OBJ_NAME_do_all(int type,void (*fn)(const OBJ_NAME *,void *arg),void *arg) - { - struct doall d; +void OBJ_NAME_do_all(int type, void (*fn) (const OBJ_NAME *, void *arg), + void *arg) +{ + struct doall d; - d.type=type; - d.fn=fn; - d.arg=arg; + d.type = type; + d.fn = fn; + d.arg = arg; - lh_OBJ_NAME_doall_arg(names_lh, LHASH_DOALL_ARG_FN(do_all_fn), - struct doall, &d); - } + lh_OBJ_NAME_doall_arg(names_lh, LHASH_DOALL_ARG_FN(do_all_fn), + struct doall, &d); +} -struct doall_sorted - { - int type; - int n; - const OBJ_NAME **names; - }; +struct doall_sorted { + int type; + int n; + const OBJ_NAME **names; +}; -static void do_all_sorted_fn(const OBJ_NAME *name,void *d_) - { - struct doall_sorted *d=d_; +static void do_all_sorted_fn(const OBJ_NAME *name, void *d_) +{ + struct doall_sorted *d = d_; - if(name->type != d->type) - return; + if (name->type != d->type) + return; - d->names[d->n++]=name; - } + d->names[d->n++] = name; +} -static int do_all_sorted_cmp(const void *n1_,const void *n2_) - { - const OBJ_NAME * const *n1=n1_; - const OBJ_NAME * const *n2=n2_; +static int do_all_sorted_cmp(const void *n1_, const void *n2_) +{ + const OBJ_NAME *const *n1 = n1_; + const OBJ_NAME *const *n2 = n2_; - return strcmp((*n1)->name,(*n2)->name); - } + return strcmp((*n1)->name, (*n2)->name); +} -void OBJ_NAME_do_all_sorted(int type,void (*fn)(const OBJ_NAME *,void *arg), - void *arg) - { - struct doall_sorted d; - int n; +void OBJ_NAME_do_all_sorted(int type, + void (*fn) (const OBJ_NAME *, void *arg), + void *arg) +{ + struct doall_sorted d; + int n; - d.type=type; - d.names=OPENSSL_malloc(lh_OBJ_NAME_num_items(names_lh)*sizeof *d.names); - d.n=0; - OBJ_NAME_do_all(type,do_all_sorted_fn,&d); + d.type = type; + d.names = + OPENSSL_malloc(lh_OBJ_NAME_num_items(names_lh) * sizeof *d.names); + d.n = 0; + OBJ_NAME_do_all(type, do_all_sorted_fn, &d); - qsort((void *)d.names,d.n,sizeof *d.names,do_all_sorted_cmp); + qsort((void *)d.names, d.n, sizeof *d.names, do_all_sorted_cmp); - for(n=0 ; n < d.n ; ++n) - fn(d.names[n],arg); + for (n = 0; n < d.n; ++n) + fn(d.names[n], arg); - OPENSSL_free((void *)d.names); - } + OPENSSL_free((void *)d.names); +} static int free_type; static void names_lh_free_doall(OBJ_NAME *onp) - { - if (onp == NULL) - return; +{ + if (onp == NULL) + return; - if (free_type < 0 || free_type == onp->type) - OBJ_NAME_remove(onp->name,onp->type); - } + if (free_type < 0 || free_type == onp->type) + OBJ_NAME_remove(onp->name, onp->type); +} static IMPLEMENT_LHASH_DOALL_FN(names_lh_free, OBJ_NAME) static void name_funcs_free(NAME_FUNCS *ptr) - { - OPENSSL_free(ptr); - } +{ + OPENSSL_free(ptr); +} void OBJ_NAME_cleanup(int type) - { - unsigned long down_load; - - if (names_lh == NULL) return; - - free_type=type; - down_load=lh_OBJ_NAME_down_load(names_lh); - lh_OBJ_NAME_down_load(names_lh)=0; - - lh_OBJ_NAME_doall(names_lh,LHASH_DOALL_FN(names_lh_free)); - if (type < 0) - { - lh_OBJ_NAME_free(names_lh); - sk_NAME_FUNCS_pop_free(name_funcs_stack,name_funcs_free); - names_lh=NULL; - name_funcs_stack = NULL; - } - else - lh_OBJ_NAME_down_load(names_lh)=down_load; - } - +{ + unsigned long down_load; + + if (names_lh == NULL) + return; + + free_type = type; + down_load = lh_OBJ_NAME_down_load(names_lh); + lh_OBJ_NAME_down_load(names_lh) = 0; + + lh_OBJ_NAME_doall(names_lh, LHASH_DOALL_FN(names_lh_free)); + if (type < 0) { + lh_OBJ_NAME_free(names_lh); + sk_NAME_FUNCS_pop_free(name_funcs_stack, name_funcs_free); + names_lh = NULL; + name_funcs_stack = NULL; + } else + lh_OBJ_NAME_down_load(names_lh) = down_load; +} |