finger

commit fe5f2ba3501c76178f9a88090d49414deb503bba
parent 9974e6b7651fc96216e9c21c780432af7b36e5e9
Author: Naveen Narayanan <zerous@nocebo.space>
Date:   Tue, 12 Oct 2021 03:05:53 +0200

Remove sanity ;)

Diffstat:
M
finger.c
 | 
12
------------

1 file changed, 0 insertions(+), 12 deletions(-)
diff --git a/finger.c b/finger.c
@@ -29,19 +29,16 @@ cred(char *input, char *username, char *hostname)
 		fprintf(stderr, "hostname not found\n");
 		return 0;
 	}
-
 	if (a - input >= 32) {
 		fprintf(stderr, "username too long\n");
 		return 0;
 	}
 	memcpy(username, input, a - input);
-
 	if (strlen(a+1) > MAXHOSTNAMELEN) {
 		fprintf(stderr, "hostname too long\n");
 		return 0;
 	}
 	strcpy(hostname, a+1);
-
 	return 1;
 }
 
@@ -60,19 +57,15 @@ main(int argc, char **argv)
 
 	if (argc != 2)
 		usage();
-
 	if (!cred(argv[1], user, hostname))
 		usage();
-
 	hints.ai_family = AF_UNSPEC;
 	hints.ai_socktype = SOCK_STREAM;
-
 	if ((status = getaddrinfo(hostname, "finger", &hints, &res)) != 0) {
 		fprintf(stderr, "getaddrinfo failed: %s\n", gai_strerror(status));
 		err = 1;
 		goto err1;
 	}
-
 	ulen = strlen(user);
 	for (p = res; p != NULL; p = p->ai_next) {
 		sockfd = socket(res->ai_family, res->ai_socktype,
@@ -83,19 +76,16 @@ main(int argc, char **argv)
 			err = 1;
 			goto err2;
 		}
-
 		if (connect(sockfd, res->ai_addr, res->ai_addrlen) == -1) {
 			fprintf(stderr, "connect failed: %s\n",
 				strerror(errno));
 			err = 1;
 			goto err3;
 		}
-
 		memcpy(msg, user, ulen);
 		msg[ulen] = '\r';
 		msg[ulen+1] = '\n';
 		len = ulen+2;
-
 		do {
 			n = send(sockfd, msg, len, 0);
 			if (n == -1) {
@@ -106,7 +96,6 @@ main(int argc, char **argv)
 			len -= n;
 			msg += n;
 		} while (len > 0);
-
 		msg = buf;
 		printf("[%s]\n", hostname);
 		do {
@@ -122,7 +111,6 @@ main(int argc, char **argv)
 			msg = buf;
 		} while (n > 0);
 	}
-
 err3:
 	close(sockfd);
 err2: