diff options
Diffstat (limited to 'lib/base.c')
| -rw-r--r-- | lib/base.c | 238 |
1 files changed, 0 insertions, 238 deletions
diff --git a/lib/base.c b/lib/base.c deleted file mode 100644 index 2081b1c..0000000 --- a/lib/base.c +++ /dev/null @@ -1,238 +0,0 @@ -/* See the file COPYING for licensing information. */ - -#include <sys/socket.h> -#include <errno.h> -#include <stdlib.h> -#include <string.h> -//#include <unistd.h> -#include <stdint.h> -#include "../tlv11.h" /* FIXME: .. */ -#include "libradsec-base.h" - -static int -_do_connect(int type, - const struct sockaddr *addr, - socklen_t addrlen) -{ - int s; - - s = socket(AF_INET, type, 0); /* FIXME: do AF_INET6 too */ - if (s >= 0) - if (connect(s, addr, addrlen)) { - close(s); - s = -1; - } - return s; -} - -static struct list * -_list_new(const struct rs_handle *ctx) -{ - struct list *list = rs_malloc(ctx, sizeof(struct list)); - if (list) - memset(list, 0, sizeof(struct list)); - return list; -} - -static int -_list_push(const struct rs_handle *ctx, /* FIXME: code duplicate, list.c */ - struct list *list, - void *data) -{ - struct list_node *node; - - node = rs_malloc(ctx, sizeof(struct list_node)); - if (!node) - return 0; - - node->next = NULL; - node->data = data; - - if (list->first) - list->last->next = node; - else - list->first = node; - list->last = node; - - list->count++; - return 1; -} - -static void -_list_destroy(const struct rs_handle *ctx, /* FIXME: code dup */ - struct list *list) -{ - struct list_node *node, *next; - - if (list) { - for (node = list->first; node; node = next) { - rs_free(ctx, node->data); - next = node->next; - rs_free(ctx, node); - } - free(list); - } -} - -/* ------------------------------------------------------- */ -int -rs_connect(const struct rs_handle *conf, - const struct sockaddr *addr, - socklen_t addrlen) -{ - switch (conf->conn_type) - { - case RS_CONN_TYPE_UDP: - return _do_connect(SOCK_DGRAM, addr, addrlen); - case RS_CONN_TYPE_TCP: - return _do_connect(SOCK_STREAM, addr, addrlen); - /* fall thru */ - case RS_CONN_TYPE_TLS: - /* fall thru */ - case RS_CONN_TYPE_DTLS: - /* fall thru */ - default: - errno = ENOSYS; - return -1; - } -} - -int -rs_disconnect( const struct rs_handle *conf, int fd) -{ - switch (conf->conn_type) - { - case RS_CONN_TYPE_UDP: - return close(fd); - case RS_CONN_TYPE_TCP: - shutdown(fd, SHUT_RDWR); - return close(fd); - case RS_CONN_TYPE_TLS: - /* fall thru */ - case RS_CONN_TYPE_DTLS: - /* fall thru */ - default: - errno = ENOSYS; - return -1; - } -} - -struct rs_packet * -rs_packet_new(const struct rs_handle *ctx, - const uint8_t buf[RS_HEADER_LEN], - size_t *count) -{ - struct rs_packet *p = rs_malloc(ctx, sizeof(struct rs_packet)); - if (p) { - p->attrs = _list_new(ctx); - if (p->attrs) { - p->code = buf[0]; - p->id = buf[1]; - if (count) - *count = (buf[2] << 8) + buf[3]; - } - else - rs_packet_free(ctx, &p); - } - return p; -} - -struct rs_packet * -rs_packet_parse(const struct rs_handle *ctx, - struct rs_packet **packet, - const uint8_t *buf, - size_t buflen) -{ - struct rs_packet *p = *packet; - struct tlv *tlv; - size_t i; - uint8_t atype, alen; - - if (buflen < 16) { - errno = EPROTO; - rs_packet_free(ctx, &p); - return NULL; - } - - i = 16; - while (i + 2 < buflen) { - atype = buf[i++]; - alen = buf[i++]; - if (alen < 2) { -#if DEBUG - fprintf(stderr, - "%s: DEBUG: attribute (type %d, len %d) has an invalid length\n", - __func__, atype, alen); -#endif - errno = EPROTO; - rs_packet_free(ctx, &p); - return NULL; - } - alen -= 2; - if (alen + i >= buflen) { -#if DEBUG - fprintf(stderr, - "%s: DEBUG: attribute (type %d, len %d) wouldn't fit packet\n", - __func__, atype, alen); -#endif - errno = EPROTO; - rs_packet_free(ctx, &p); - return NULL; - } - tlv = maketlv(atype, alen, (void *) (buf + i)); - if (tlv) - _list_push(ctx, p->attrs, tlv); - else { - errno = ENOMEM; - rs_packet_free(ctx, &p); - } - i += alen; - } - memcpy(p->auth, buf, 16); - return p; -} - -void -rs_packet_free(const struct rs_handle *ctx, - struct rs_packet **packet) -{ - _list_destroy(ctx, (*packet)->attrs); - rs_free(ctx, *packet); - *packet = NULL; -} - -ssize_t -rs_packet_serialize(const struct rs_packet *packet, - uint8_t *buf, - size_t buflen) -{ - struct list_node *ln; - size_t pktlen; - ssize_t i; - - for (ln = list_first(packet->attrs), pktlen = 20; ln; ln = list_next(ln)) - pktlen += ((struct rs_attribute *)(ln->data))->length; - if (pktlen > buflen) - return -(pktlen - buflen); - - buf[0] = packet->code; - buf[1] = packet->id; - buf[2] = (pktlen & 0xff00) >> 8; - buf[3] = pktlen & 0xff; - - memcpy(buf + 4, packet->auth, 16); - - for (ln = list_first(packet->attrs), i = 20; ln; ln = list_next(ln)) { - struct rs_attribute *a = (struct rs_attribute *)(ln->data); - buf[i++] = a->type; - buf[i++] = a->length; - memcpy(buf + i, a->value, a->length - 2); - i += a->length - 2; - } - - return i; -} - -/* Local Variables: */ -/* c-file-style: "stroustrup" */ -/* End: */ |