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Show tun_name in all states and fix state_send()

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This commit is contained in:
angt
2016-04-26 06:13:14 +00:00
parent c154a00358
commit fa9301da16
3 changed files with 31 additions and 27 deletions
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13
src/main.c
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@@ -53,6 +53,7 @@
static struct { static struct {
long timeout; long timeout;
int mptcp; int mptcp;
int state_fd;
} gt; } gt;
struct fdbuf { struct fdbuf {
@@ -995,7 +996,7 @@ static int gt_setup_secretkey (struct crypto_ctx *ctx, char *keyfile)
randombytes_buf(ctx->skey, size); randombytes_buf(ctx->skey, size);
gt_tohex(buf, sizeof(buf), ctx->skey, size); gt_tohex(buf, sizeof(buf), ctx->skey, size);
state("SECRETKEY", buf); state_send(gt.state_fd, "SECRETKEY", buf);
return 0; return 0;
} }
@@ -1242,7 +1243,9 @@ int main (int argc, char **argv)
if (!ai) if (!ai)
return 1; return 1;
if (state_init(statefile)) gt.state_fd = state_create(statefile);
if (statefile && gt.state_fd==-1)
return 1; return 1;
struct fdbuf tun = { .fd = -1 }; struct fdbuf tun = { .fd = -1 };
@@ -1282,7 +1285,7 @@ int main (int argc, char **argv)
long retry = 0; long retry = 0;
uint8_t *db = NULL; uint8_t *db = NULL;
state("INITIALIZED", tun_name); state_send(gt.state_fd, "INITIALIZED", tun_name);
while (!gt_close) { while (!gt_close) {
if (retry_count>=0 && retry>=retry_count+1) { if (retry_count>=0 && retry>=retry_count+1) {
@@ -1350,7 +1353,7 @@ int main (int argc, char **argv)
retry = 0; retry = 0;
state("STARTED", sockname); state_send(gt.state_fd, "STARTED", tun_name);
fd_set rfds; fd_set rfds;
FD_ZERO(&rfds); FD_ZERO(&rfds);
@@ -1523,7 +1526,7 @@ int main (int argc, char **argv)
sock.fd = -1; sock.fd = -1;
} }
state("STOPPED", sockname); state_send(gt.state_fd, "STOPPED", tun_name);
if (sockname) { if (sockname) {
free(sockname); free(sockname);

41
src/state.c
View File

@@ -7,16 +7,14 @@
#include <fcntl.h> #include <fcntl.h>
#include <sys/stat.h> #include <sys/stat.h>
static int state_fd = -1; int state_create (const char *filename)
int state_init (const char *filename)
{ {
if (str_empty(filename)) if (str_empty(filename))
return 0; return -1;
state_fd = open(filename, O_WRONLY); int fd = open(filename, O_WRONLY);
if (state_fd==-1) { if (fd==-1) {
if (errno!=EINTR) if (errno!=EINTR)
perror("open"); perror("open");
return -1; return -1;
@@ -24,38 +22,41 @@ int state_init (const char *filename)
struct stat st = {0}; struct stat st = {0};
if (fstat(state_fd, &st)==-1) { if (fstat(fd, &st)==-1) {
perror("fstat"); perror("fstat");
close(state_fd); close(fd);
state_fd = -1;
return -1; return -1;
} }
if (!S_ISFIFO(st.st_mode)) { if (!S_ISFIFO(st.st_mode)) {
gt_log("`%s' is not a fifo\n", filename); gt_log("`%s' is not a fifo\n", filename);
close(state_fd); close(fd);
state_fd = -1;
return -1; return -1;
} }
return 0; return fd;
} }
void state (const char *state, const char *info) void state_send (int fd, const char *state, const char *info)
{ {
if (str_empty(state)) if (str_empty(state))
return; return;
if (fd==-1) {
gt_print("%s %s\n", state, info);
return;
}
const char *strs[] = { state, " ", info, "\n" }; const char *strs[] = { state, " ", info, "\n" };
char *str = str_cat(strs, COUNT(strs)); char *str = str_cat(strs, COUNT(strs));
if (!str) if (!str) {
perror("str_cat");
return; return;
if (state_fd==-1) {
gt_print("%s", str);
} else {
if (write(state_fd, str, str_len(str))==-1 && errno!=EINTR)
perror("write");
} }
if (write(fd, str, str_len(str))==-1 && errno!=EINTR)
perror("write");
free(str);
} }

4
src/state.h
View File

@@ -1,4 +1,4 @@
#pragma once #pragma once
int state_init (const char *); int state_create (const char *);
void state (const char *, const char *); void state_send (int, const char *, const char *);