/*
* This function establishes a connection to the specified ip and port and
* sends a command to varnishd. If varnishd returns an OK status, the result
* is printed and 0 returned. Else, an error message is printed and 1 is
* returned
*/
static int
cli_sock(struct vadmin_config_t *vadmin, struct agent_core_t *core)
{
int fd;
unsigned status;
char *answer = NULL;
char buf[CLI_AUTH_RESPONSE_LEN + 1];
n_arg_sock(core);
if (core->config->T_arg == NULL) {
logger(vadmin->logger, "No T-arg (Administration port) available. Varnishadm-commands wont work.");
return (-1);
}
vadmin->sock = VSS_open(vadmin->logger, core->config->T_arg, core->config->timeout);
if (vadmin->sock < 0) {
logger(vadmin->logger, "Connection failed (%s)", core->config->T_arg);
return (-1);
}
(void)VCLI_ReadResult(vadmin->sock, &status, &answer, core->config->timeout);
if (status == CLIS_AUTH) {
if (core->config->S_arg == NULL) {
logger(vadmin->logger, "Authentication required");
assert(close(vadmin->sock) == 0);
return(-1);
}
fd = open(core->config->S_arg, O_RDONLY);
if (fd < 0) {
logger(vadmin->logger, "Cannot open \"%s\": %s",
core->config->S_arg, strerror(errno));
assert(close(vadmin->sock) == 0);
return (-1);
}
VCLI_AuthResponse(fd, answer, buf);
assert(close(fd) == 0);
free(answer);
cli_write(vadmin->sock, "auth ");
cli_write(vadmin->sock, buf);
cli_write(vadmin->sock, "\n");
(void)VCLI_ReadResult(vadmin->sock, &status, &answer, core->config->timeout);
}
if (status != CLIS_OK) {
logger(vadmin->logger, "Rejected %u\n%s", status, answer);
assert(close(vadmin->sock) == 0);
return (-1);
}
free(answer);
cli_write(vadmin->sock, "ping\n");
(void)VCLI_ReadResult(vadmin->sock, &status, &answer, core->config->timeout);
if (status != CLIS_OK || strstr(answer, "PONG") == NULL) {
logger(vadmin->logger, "No pong received from server");
assert(close(vadmin->sock) == 0);
return(-1);
}
free(answer);
vadmin->state = 1;
return (vadmin->sock);
}
/*
* This function establishes a connection to the specified ip and port and
* sends a command to varnishd. If varnishd returns an OK status, the result
* is printed and 0 returned. Else, an error message is printed and 1 is
* returned
*/
static int
cli_sock(const char *T_arg, const char *S_arg)
{
int fd;
int sock;
unsigned status;
char *answer = NULL;
char buf[CLI_AUTH_RESPONSE_LEN + 1];
sock = VSS_open(T_arg, timeout);
if (sock < 0) {
fprintf(stderr, "Connection failed (%s)\n", T_arg);
return (-1);
}
(void)VCLI_ReadResult(sock, &status, &answer, timeout);
if (status == CLIS_AUTH) {
if (S_arg == NULL) {
fprintf(stderr, "Authentication required\n");
AZ(close(sock));
return(-1);
}
fd = open(S_arg, O_RDONLY);
if (fd < 0) {
fprintf(stderr, "Cannot open \"%s\": %s\n",
S_arg, strerror(errno));
AZ(close(sock));
return (-1);
}
VCLI_AuthResponse(fd, answer, buf);
AZ(close(fd));
free(answer);
cli_write(sock, "auth ");
cli_write(sock, buf);
cli_write(sock, "\n");
(void)VCLI_ReadResult(sock, &status, &answer, timeout);
}
if (status != CLIS_OK) {
fprintf(stderr, "Rejected %u\n%s\n", status, answer);
AZ(close(sock));
return (-1);
}
free(answer);
cli_write(sock, "ping\n");
(void)VCLI_ReadResult(sock, &status, &answer, timeout);
if (status != CLIS_OK || strstr(answer, "PONG") == NULL) {
fprintf(stderr, "No pong received from server\n");
AZ(close(sock));
return(-1);
}
free(answer);
return (sock);
}
