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Use SHA-1 to generate comet mailbox IDs

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This commit is contained in:
Andreas Öman 2010-06-23 21:59:06 +00:00
parent 07002e15da
commit 0a6bc7653a
1 changed files with 11 additions and 15 deletions
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26
src/webui/comet.c
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@ -24,9 +24,6 @@
#include <string.h>
#include <arpa/inet.h>
#include <libavutil/md5.h>
#include "htsmsg.h"
#include "htsmsg_json.h"
@ -34,6 +31,7 @@
#include "http.h"
#include "webui/webui.h"
#include "access.h"
#include "sha1.h"
static pthread_mutex_t comet_mutex = PTHREAD_MUTEX_INITIALIZER;
static pthread_cond_t comet_cond = PTHREAD_COND_INITIALIZER;
@ -50,7 +48,7 @@ static LIST_HEAD(, comet_mailbox) mailboxes;
int mailbox_tally;
typedef struct comet_mailbox {
char *cmb_boxid; /* an md5hash */
char *cmb_boxid; /* SHA-1 hash */
htsmsg_t *cmb_messages; /* A vector */
time_t cmb_last_used;
LIST_ENTRY(comet_mailbox) cmb_link;
@ -105,25 +103,23 @@ comet_mailbox_create(void)
comet_mailbox_t *cmb = calloc(1, sizeof(comet_mailbox_t));
struct timeval tv;
uint8_t sum[16];
char id[33];
uint8_t sum[20];
char id[20 * 2 + 1];
int i;
struct AVMD5 *ctx;
ctx = alloca(av_md5_size);
struct SHA1Context sha1;
gettimeofday(&tv, NULL);
av_md5_init(ctx);
av_md5_update(ctx, (void *)&tv, sizeof(tv));
av_md5_update(ctx, (void *)&mailbox_tally, sizeof(uint32_t));
av_md5_final(ctx, sum);
SHA1Reset(&sha1);
SHA1Input(&sha1, (void *)&tv, sizeof(tv));
SHA1Input(&sha1, (void *)&mailbox_tally, sizeof(uint32_t));
SHA1Result(&sha1, sum);
for(i = 0; i < 16; i++) {
for(i = 0; i < sizeof(sum); i++) {
id[i * 2 + 0] = "0123456789abcdef"[sum[i] >> 4];
id[i * 2 + 1] = "0123456789abcdef"[sum[i] & 15];
}
id[32] = 0;
id[40] = 0;
cmb->cmb_boxid = strdup(id);
time(&cmb->cmb_last_used);