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titan: parse the response code and exit accordingly 

Exit with 0 if the response code was in the 2x or 3x range, or with
2 for other codes.  It already exits with 1 upon any other error
(including parsing errors.)

Print the redirect code on 3x to stdout and the meta to stderr for
the 1x, 4x, 5x and 6x ranges.
This commit is contained in:
Omar Polo 2023-07-24 09:56:37 +00:00
parent 56d32bb51a
commit 3927336855
1 changed files with 26 additions and 4 deletions
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30
titan.c
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@ -190,6 +190,29 @@ open_input_file(int argc, char **argv)
return fp;
}
static int
parse_response(char *r)
{
int code;
if (r[0] < '0' || r[0] > '9' ||
r[1] < '0' || r[1] > '9' ||
r[2] != ' ')
errx(1, "illegal response");
code = (r[0] - '0') * 10 + (r[1] - '0');
if (code < 10 || code >= 70)
errx(1, "invalid response code: %d", code);
if (code >= 20 && code < 30)
return 0;
if (code >= 30 && code < 40) {
puts(r + 3);
return 0;
}
warnx("server error: %s", r + 3);
return 2;
}
static void __dead
usage(void)
{
@ -212,7 +235,7 @@ main(int argc, char **argv)
char iribuf[1025];
char resbuf[1025];
char *req;
int sock, ch;
int sock, ch, ret = 0;
if (pledge("stdio rpath tmppath inet dns", NULL) == -1)
err(1, "pledge");
@ -322,8 +345,7 @@ main(int argc, char **argv)
if ((m = memmem(resbuf, w, "\r\n", 2)) == NULL)
errx(1, "invalid reply");
*m = '\0';
/* XXX parse */
puts(resbuf);
ret = parse_response(resbuf);
break;
}
}
@ -347,7 +369,7 @@ main(int argc, char **argv)
/* fallthrough */
default:
tls_free(ctx);
return (0);
return (ret);
}
}
}