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- #include "ssh.h"
- #include "mpint.h"
- key_components *key_components_new(void)
- {
- key_components *kc = snew(key_components);
- kc->ncomponents = 0;
- kc->componentsize = 0;
- kc->components = NULL;
- return kc;
- }
- static void key_components_add_str(key_components *kc, const char *name,
- KeyComponentType type, ptrlen data)
- {
- sgrowarray(kc->components, kc->componentsize, kc->ncomponents);
- size_t n = kc->ncomponents++;
- kc->components[n].name = dupstr(name);
- kc->components[n].type = type;
- kc->components[n].str = strbuf_dup_nm(data);
- }
- void key_components_add_text(key_components *kc,
- const char *name, const char *value)
- {
- key_components_add_str(kc, name, KCT_TEXT, ptrlen_from_asciz(value));
- }
- void key_components_add_text_pl(key_components *kc,
- const char *name, ptrlen value)
- {
- key_components_add_str(kc, name, KCT_TEXT, value);
- }
- void key_components_add_binary(key_components *kc,
- const char *name, ptrlen value)
- {
- key_components_add_str(kc, name, KCT_BINARY, value);
- }
- void key_components_add_mp(key_components *kc,
- const char *name, mp_int *value)
- {
- sgrowarray(kc->components, kc->componentsize, kc->ncomponents);
- size_t n = kc->ncomponents++;
- kc->components[n].name = dupstr(name);
- kc->components[n].type = KCT_MPINT;
- kc->components[n].mp = mp_copy(value);
- }
- void key_components_add_uint(key_components *kc,
- const char *name, uintmax_t value)
- {
- mp_int *mpvalue = mp_from_integer(value);
- key_components_add_mp(kc, name, mpvalue);
- mp_free(mpvalue);
- }
- void key_components_add_copy(key_components *kc,
- const char *name, const key_component *value)
- {
- switch (value->type) {
- case KCT_TEXT:
- case KCT_BINARY:
- key_components_add_str(kc, name, value->type,
- ptrlen_from_strbuf(value->str));
- break;
- case KCT_MPINT:
- key_components_add_mp(kc, name, value->mp);
- break;
- }
- }
- void key_components_free(key_components *kc)
- {
- for (size_t i = 0; i < kc->ncomponents; i++) {
- key_component *comp = &kc->components[i];
- sfree(comp->name);
- switch (comp->type) {
- case KCT_MPINT:
- mp_free(comp->mp);
- break;
- case KCT_TEXT:
- case KCT_BINARY:
- strbuf_free(comp->str);
- break;
- default:
- unreachable("bad key component type");
- }
- }
- sfree(kc->components);
- sfree(kc);
- }
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