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[mod_sofia] rfc8760: reorder hash algorithms by priority (strength), no matter the order provided in the cfg

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Dragos Oancea 2021-04-13 10:30:15 +00:00 committed by Andrey Volk
parent e6b6aea6ff
commit 73569bb1f7
1 changed files with 19 additions and 4 deletions
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23
src/mod/endpoints/mod_sofia/sofia.c
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@ -6040,15 +6040,30 @@ switch_status_t config_sofia(sofia_config_t reload, char *profile_name)
} else if (!strcasecmp(var, "proxy-info-content-types")) {
profile->proxy_info_content_types = switch_core_strdup(profile->pool, val);
} else if (!strcasecmp(var, "rfc8760-auth-algorithms")) {
/* the order in which algorithms are allowed matters */
char *algs_arr[100] = { 0 };
uint8_t algs = switch_separate_string(val, ',', algs_arr, (sizeof(algs_arr) / sizeof(algs_arr[0])));
if (algs && algs < SOFIA_MAX_REG_ALGS) {
int i;
sofia_auth_algs_t temp;
int i, j = 0;
for (i = 0; i < algs && algs_arr[i]; i++) {
profile->auth_algs[i] = sofia_alg_str2id(algs_arr[i], SWITCH_TRUE);
temp = sofia_alg_str2id(algs_arr[i], SWITCH_TRUE);
if (temp != ALG_NONE) {
profile->auth_algs[j] = temp;
j++;
}
}
profile->rfc8760_algs_count = j;
for (i = 0; i < profile->rfc8760_algs_count; i++) {
for (j = i + 1; j < profile->rfc8760_algs_count; j++) {
/* when adding algs: algs must be kept in priority order in the enum */
if (profile->auth_algs[i] < profile->auth_algs[j])
{
temp = profile->auth_algs[i];
profile->auth_algs[i] = profile->auth_algs[j];
profile->auth_algs[j] = temp;
}
}
}
profile->rfc8760_algs_count = algs;
}
}
}