#include <termios.h>
#include <unistd.h>
#include <fcntl.h>
+#include <sys/time.h>
+#ifndef HAVE_NO_SYS_SELECT_H
+#include <sys/select.h>
+#endif
#include "putty.h"
#include "storage.h"
fd_set rfds;
FD_ZERO(&rfds);
FD_SET(fd, &rfds);
- ret = select(fd+1, &rfds, NULL, NULL, NULL);
+ do {
+ ret = select(fd+1, &rfds, NULL, NULL, NULL);
+ } while (ret < 0 && errno == EINTR);
assert(ret != 0);
if (ret < 0)
return ret;
}
}
+int askhk(void *frontend, const char *algname, const char *betteralgs,
+ void (*callback)(void *ctx, int result), void *ctx)
+{
+ static const char msg[] =
+ "The first host key type we have stored for this server\n"
+ "is %s, which is below the configured warning threshold.\n"
+ "The server also provides the following types of host key\n"
+ "above the threshold, which we do not have stored:\n"
+ "%s\n"
+ "Continue with connection? (y/n) ";
+ static const char msg_batch[] =
+ "The first host key type we have stored for this server\n"
+ "is %s, which is below the configured warning threshold.\n"
+ "The server also provides the following types of host key\n"
+ "above the threshold, which we do not have stored:\n"
+ "%s\n"
+ "Connection abandoned.\n";
+ static const char abandoned[] = "Connection abandoned.\n";
+
+ char line[32];
+ struct termios cf;
+
+ premsg(&cf);
+ if (console_batch_mode) {
+ fprintf(stderr, msg_batch, algname, betteralgs);
+ return 0;
+ }
+
+ fprintf(stderr, msg, algname, betteralgs);
+ fflush(stderr);
+
+ {
+ struct termios oldmode, newmode;
+ tcgetattr(0, &oldmode);
+ newmode = oldmode;
+ newmode.c_lflag |= ECHO | ISIG | ICANON;
+ tcsetattr(0, TCSANOW, &newmode);
+ line[0] = '\0';
+ if (block_and_read(0, line, sizeof(line) - 1) <= 0)
+ /* handled below */;
+ tcsetattr(0, TCSANOW, &oldmode);
+ }
+
+ if (line[0] == 'y' || line[0] == 'Y') {
+ postmsg(&cf);
+ return 1;
+ } else {
+ fprintf(stderr, abandoned);
+ postmsg(&cf);
+ return 0;
+ }
+}
+
/*
* Ask whether to wipe a session log file before writing to it.
* Returns 2 for wipe, 1 for append, 0 for cancel (don't log).