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radsecproxy/tlv11.c
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/* Copyright (c) 2008-2009, UNINETT AS | |
* Copyright (c) 2010, NORDUnet A/S */ | |
/* See LICENSE for licensing information. */ | |
#ifdef SYS_SOLARIS9 | |
#include <sys/inttypes.h> | |
#else | |
#include <stdint.h> | |
#endif | |
#include "list.h" | |
#include "tlv11.h" | |
#include <stdlib.h> | |
#include <string.h> | |
#include <arpa/inet.h> | |
struct tlv *maketlv(uint8_t t, uint8_t l, void *v) { | |
struct tlv *tlv; | |
tlv = malloc(sizeof(struct tlv)); | |
if (!tlv) | |
return NULL; | |
tlv->t = t; | |
tlv->l = l; | |
if (l && v) { | |
tlv->v = malloc(l); | |
if (!tlv->v) { | |
free(tlv); | |
return NULL; | |
} | |
memcpy(tlv->v, v, l); | |
} else | |
tlv->v = NULL; | |
return tlv; | |
} | |
struct tlv *copytlv(struct tlv *in) { | |
return in ? maketlv(in->t, in->l, in->v) : NULL; | |
} | |
void freetlv(struct tlv *tlv) { | |
if (tlv) { | |
free(tlv->v); | |
free(tlv); | |
} | |
} | |
int eqtlv(struct tlv *t1, struct tlv *t2) { | |
if (!t1 || !t2) | |
return t1 == t2; | |
if (t1->t != t2->t || t1->l != t2->l) | |
return 0; | |
return memcmp(t1->v, t2->v, t1->l) == 0; | |
} | |
struct list *copytlvlist(struct list *tlvs) { | |
struct list *out; | |
struct list_node *node; | |
if (!tlvs) | |
return NULL; | |
out = list_create(); | |
if (!out) | |
return NULL; | |
for (node = list_first(tlvs); node; node = list_next(node)) { | |
if (!list_push(out, copytlv((struct tlv *)node->data))) { | |
freetlvlist(out); | |
return NULL; | |
} | |
} | |
return out; | |
} | |
void freetlvlist(struct list *tlvs) { | |
struct tlv *tlv; | |
while ((tlv = (struct tlv *)list_shift(tlvs))) | |
freetlv(tlv); | |
list_destroy(tlvs); | |
} | |
void rmtlv(struct list *tlvs, uint8_t t) { | |
struct list_node *n, *p; | |
struct tlv *tlv; | |
p = NULL; | |
n = list_first(tlvs); | |
while (n) { | |
tlv = (struct tlv *)n->data; | |
if (tlv->t == t) { | |
list_removedata(tlvs, tlv); | |
freetlv(tlv); | |
n = p ? list_next(p) : list_first(tlvs); | |
} else { | |
p = n; | |
n = list_next(n); | |
} | |
} | |
} | |
uint8_t *tlv2str(struct tlv *tlv) { | |
uint8_t *s = malloc(tlv->l + 1); | |
if (s) { | |
memcpy(s, tlv->v, tlv->l); | |
s[tlv->l] = '\0'; | |
} | |
return s; | |
} | |
struct tlv *resizetlv(struct tlv *tlv, uint8_t newlen) { | |
uint8_t *newv; | |
if (newlen != tlv->l) { | |
newv = realloc(tlv->v, newlen); | |
if (newlen && !newv) | |
return NULL; | |
tlv->v = newv; | |
tlv->l = newlen; | |
} | |
return tlv; | |
} | |
/* Local Variables: */ | |
/* c-file-style: "stroustrup" */ | |
/* End: */ |