/* * Composes "<host> login: "******"login: "******"login: "******"%s %s", host, dflt_prompt); return prompt; }
/*
* This is called for the -h option, initializes cxt->{hostname,hostaddress}.
*/
static void init_remote_info(struct login_context *cxt, char *remotehost)
{
const char *domain;
char *p;
struct addrinfo hints, *info = NULL;
cxt->remote = 1;
get_thishost(cxt, &domain);
if (domain && (p = strchr(remotehost, '.')) &&
strcasecmp(p + 1, domain) == 0)
*p = '\0';
cxt->hostname = xstrdup(remotehost);
memset(&hints, 0, sizeof(hints));
hints.ai_flags = AI_ADDRCONFIG;
cxt->hostaddress[0] = 0;
if (getaddrinfo(cxt->hostname, NULL, &hints, &info) == 0 && info) {
if (info->ai_family == AF_INET) {
struct sockaddr_in *sa =
(struct sockaddr_in *) info->ai_addr;
memcpy(cxt->hostaddress, &(sa->sin_addr), sizeof(sa->sin_addr));
} else if (info->ai_family == AF_INET6) {
struct sockaddr_in6 *sa =
(struct sockaddr_in6 *) info->ai_addr;
#ifdef IN6_IS_ADDR_V4MAPPED
if (IN6_IS_ADDR_V4MAPPED(&sa->sin6_addr)) {
const uint8_t *bytes = sa->sin6_addr.s6_addr;
struct in_addr addr = { *(const in_addr_t *) (bytes + 12) };
memcpy(cxt->hostaddress, &addr, sizeof(struct in_addr));
} else
#endif
memcpy(cxt->hostaddress, &(sa->sin6_addr), sizeof(sa->sin6_addr));
}
freeaddrinfo(info);
}
}
/* * Composes "<host> login: "******"login: "******"login: "******"LOGIN_PLAIN_PROMPT", 0) == 1) return dflt_prompt; if (!(host = get_thishost(cxt, NULL))) return dflt_prompt; sz = strlen(host) + 1 + strlen(dflt_prompt) + 1; prompt = xmalloc(sz); snprintf(prompt, sz, "%s %s", host, dflt_prompt); return prompt; }