diff options
Diffstat (limited to 'tty-keys.c')
| -rw-r--r-- | tty-keys.c | 103 |
1 files changed, 103 insertions, 0 deletions
@@ -19,7 +19,10 @@ #include <sys/types.h> #include <sys/time.h> +#include <netinet/in.h> + #include <limits.h> +#include <resolv.h> #include <stdlib.h> #include <string.h> #include <termios.h> @@ -44,6 +47,8 @@ static int tty_keys_next1(struct tty *, const char *, size_t, key_code *, size_t *, int); static void tty_keys_callback(int, short, void *); static int tty_keys_mouse(struct tty *, const char *, size_t, size_t *); +static int tty_keys_clipboard(struct tty *, const char *, size_t, + size_t *); static int tty_keys_device_attributes(struct tty *, const char *, size_t, size_t *); @@ -571,6 +576,17 @@ tty_keys_next(struct tty *tty) return (0); log_debug("%s: keys are %zu (%.*s)", c->name, len, (int)len, buf); + /* Is this a clipboard response? */ + switch (tty_keys_clipboard(tty, buf, len, &size)) { + case 0: /* yes */ + key = KEYC_UNKNOWN; + goto complete_key; + case -1: /* no, or not valid */ + break; + case 1: /* partial */ + goto partial_key; + } + /* Is this a device attributes response? */ switch (tty_keys_device_attributes(tty, buf, len, &size)) { case 0: /* yes */ @@ -872,6 +888,93 @@ tty_keys_mouse(struct tty *tty, const char *buf, size_t len, size_t *size) } /* + * Handle OSC 52 clipboard input. Returns 0 for success, -1 for failure, 1 for + * partial. + */ +static int +tty_keys_clipboard(__unused struct tty *tty, const char *buf, size_t len, + size_t *size) +{ + size_t end, terminator, needed; + char *copy, *out; + int outlen; + + *size = 0; + + /* First three bytes are always \033]52;. */ + if (buf[0] != '\033') + return (-1); + if (len == 1) + return (1); + if (buf[1] != ']') + return (-1); + if (len == 2) + return (1); + if (buf[2] != '5') + return (-1); + if (len == 3) + return (1); + if (buf[3] != '2') + return (-1); + if (len == 4) + return (1); + if (buf[4] != ';') + return (-1); + if (len == 5) + return (1); + + /* Find the terminator if any. */ + for (end = 5; end < len; end++) { + if (buf[end] == '\007') { + terminator = 1; + break; + } + if (end > 5 && buf[end - 1] == '\033' && buf[end] == '\\') { + terminator = 2; + break; + } + } + if (end == len) + return (1); + *size = end + terminator; + + /* Skip the initial part. */ + buf += 5; + end -= 5; + + /* Get the second argument. */ + while (end != 0 && *buf != ';') { + buf++; + end--; + } + if (end == 0 || end == 1) + return (0); + buf++; + end--; + + /* It has to be a string so copy it. */ + copy = xmalloc(end + 1); + memcpy(copy, buf, end); + copy[end] = '\0'; + + /* Convert from base64. */ + needed = (end / 4) * 3; + out = xmalloc(needed); + if ((outlen = b64_pton(copy, out, len)) == -1) { + free(out); + free(copy); + return (0); + } + free(copy); + + /* Create a new paste buffer. */ + log_debug("%s: %.*s", __func__, outlen, out); + paste_add(out, outlen); + + return (0); +} + +/* * Handle device attributes input. Returns 0 for success, -1 for failure, 1 for * partial. */ |