From: John Tsiombikas <nuclear@member.fsf.org>
Date: Fri, 31 Jul 2020 11:10:34 +0000 (+0300)
Subject: started test client
X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?p=reposerve;a=commitdiff_plain;h=9aae937f30532ce26191c0380706b9250e0819ca

started test client
---

diff --git a/client/Makefile b/client/Makefile
new file mode 100644
index 0000000..bfe1853
--- /dev/null
+++ b/client/Makefile
@@ -0,0 +1,30 @@
+PREFIX ?= /usr/local
+
+src = $(wildcard src/*.c) $(wildcard ../src/*.c)
+obj = $(src:.c=.o)
+dep = $(src:.c=.d)
+bin = repo
+
+CFLAGS = -pedantic -Wall -g -Isrc -I../src
+
+$(bin): $(obj)
+	$(CC) -o $@ $(obj) $(LDFLAGS)
+
+-include $(dep)
+
+.PHONY: clean
+clean:
+	rm -f $(obj) $(bin)
+
+.PHONY: cleandep
+cleandep:
+	rm -f $(dep)
+
+.PHONY: install
+install: $(bin)
+	mkdir -p $(DESTDIR)$(PREFIX)/bin
+	cp $(bin) $(DESTDIR)$(PREFIX)/bin/$(bin)
+
+.PHONY: uninstall
+uninstall:
+	rm -f $(DESTDIR)$(PREFIX)/bin/$(bin)
diff --git a/client/src/main.c b/client/src/main.c
new file mode 100644
index 0000000..a4c3cf5
--- /dev/null
+++ b/client/src/main.c
@@ -0,0 +1,39 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <unistd.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <netdb.h>
+
+int main(int argc, char **argv)
+{
+	int s;
+	struct sockaddr_in addr;
+	struct hostent *host;
+
+	if((s = socket(PF_INET, SOCK_STREAM, 0)) == -1) {
+		perror("failed to create socket");
+		return 1;
+	}
+
+	if(!(host = gethostbyname(argv[1]))) {
+		fprintf(stderr, "Can't find %s: %s\n", argv[1], hstrerror(h_errno));
+		return 1;
+	}
+
+	memset(&addr, 0, sizeof addr);
+	addr.sin_family = AF_INET;
+	addr.sin_port = htons(64357);
+	addr.sin_addr.s_addr = inet_addr(host->h_addr);
+
+	if(connect(s, (struct sockaddr*)&addr, sizeof addr) == -1) {
+		fprintf(stderr, "Failed to connect to %s: %s\n", argv[1], strerror(errno));
+		return 1;
+	}
+
+	close(s);
+	return 0;
+}
diff --git a/server/src/md5.c b/server/src/md5.c
deleted file mode 100644
index 6b45070..0000000
--- a/server/src/md5.c
+++ /dev/null
@@ -1,156 +0,0 @@
-/* MD5 message digest
- * Author: John Tsiombikas <nuclear@member.fsf.org>
- *
- * This software is public domain. Feel free to use it any way you like.
- *
- * If public domain is not applicable in your part of the world, you may use
- * this under the terms of the Creative Commons CC-0 license:
- * http://creativecommons.org/publicdomain/zero/1.0/
- */
-#include <stdio.h>
-#include <string.h>
-#include "md5.h"
-
-#define BLOCKSZ 64
-
-static const int shifttab[] = {
-	7, 12, 17, 22, 7, 12, 17, 22, 7, 12, 17, 22, 7, 12, 17, 22,
-	5, 9, 14, 20, 5, 9, 14, 20, 5, 9, 14, 20, 5, 9, 14, 20,
-	4, 11, 16, 23, 4, 11, 16, 23, 4, 11, 16, 23, 4, 11, 16, 23,
-	6, 10, 15, 21, 6, 10, 15, 21, 6, 10, 15, 21, 6, 10, 15, 21
-};
-
-static const uint32_t sintab[] = {
-	0xd76aa478, 0xe8c7b756, 0x242070db, 0xc1bdceee,
-	0xf57c0faf, 0x4787c62a, 0xa8304613, 0xfd469501,
-	0x698098d8, 0x8b44f7af, 0xffff5bb1, 0x895cd7be,
-	0x6b901122, 0xfd987193, 0xa679438e, 0x49b40821,
-	0xf61e2562, 0xc040b340, 0x265e5a51, 0xe9b6c7aa,
-	0xd62f105d, 0x02441453, 0xd8a1e681, 0xe7d3fbc8,
-	0x21e1cde6, 0xc33707d6, 0xf4d50d87, 0x455a14ed,
-	0xa9e3e905, 0xfcefa3f8, 0x676f02d9, 0x8d2a4c8a,
-	0xfffa3942, 0x8771f681, 0x6d9d6122, 0xfde5380c,
-	0xa4beea44, 0x4bdecfa9, 0xf6bb4b60, 0xbebfbc70,
-	0x289b7ec6, 0xeaa127fa, 0xd4ef3085, 0x04881d05,
-	0xd9d4d039, 0xe6db99e5, 0x1fa27cf8, 0xc4ac5665,
-	0xf4292244, 0x432aff97, 0xab9423a7, 0xfc93a039,
-	0x655b59c3, 0x8f0ccc92, 0xffeff47d, 0x85845dd1,
-	0x6fa87e4f, 0xfe2ce6e0, 0xa3014314, 0x4e0811a1,
-	0xf7537e82, 0xbd3af235, 0x2ad7d2bb, 0xeb86d391
-};
-
-static void sum_block(uint32_t *blk, uint32_t *sum);
-static uint32_t rol(uint32_t x, int s);
-
-void md5_begin(struct md5_state *md)
-{
-	md->sum[0] = 0x67452301;
-	md->sum[1] = 0xefcdab89;
-	md->sum[2] = 0x98badcfe;
-	md->sum[3] = 0x10325476;
-	md->len = 0;
-	md->bblen = 0;
-}
-
-void md5_msg(struct md5_state *md, void *msg, int msg_size)
-{
-	int pending, sz;
-
-	while(msg_size) {
-		pending = BLOCKSZ - md->bblen;
-		sz = msg_size > pending ? pending : msg_size;
-
-		memcpy(md->blockbuf + md->bblen, msg, sz);
-		msg = (char*)msg + sz;
-		md->bblen += sz;
-		msg_size -= sz;
-
-		if(md->bblen >= BLOCKSZ) {
-			sum_block((uint32_t*)md->blockbuf, md->sum);
-			md->bblen = 0;
-			md->len += BLOCKSZ * 8;
-		}
-	}
-}
-
-static void sum_block(uint32_t *blk, uint32_t *sum)
-{
-	int i, f, g;
-	int a = sum[0];
-	int b = sum[1];
-	int c = sum[2];
-	int d = sum[3];
-
-	for(i=0; i<64; i++) {
-		switch(i >> 4) {
-		case 0:
-			f = d ^ (b & (c ^ d));
-			g = i;
-			break;
-
-		case 1:
-			f = c ^ (d & (b ^ c));
-			g = (i * 5 + 1) & 0xf;
-			break;
-
-		case 2:
-			f = b ^ c ^ d;
-			g = (i * 3 + 5) & 0xf;
-			break;
-
-		case 3:
-			f = c ^ (b | ~d);
-			g = (i * 7) & 0xf;
-		}
-
-		f += a + sintab[i] + blk[g];
-		a = d;
-		d = c;
-		c = b;
-		b += rol(f, shifttab[i]);
-	}
-
-	sum[0] += a;
-	sum[1] += b;
-	sum[2] += c;
-	sum[3] += d;
-}
-
-static uint32_t rol(uint32_t x, int s)
-{
-	return (x << s) | (x >> (32 - s));
-}
-
-void md5_end(struct md5_state *md)
-{
-	md->len += md->bblen * 8;
-	md->blockbuf[md->bblen++] = 0x80;	/* append 1-bit plus 8 zeros padding */
-
-	if(md->bblen > BLOCKSZ - 8) {
-		/* pad to BLOCKSZ, sum, then continue with further padding */
-		memset(md->blockbuf + md->bblen, 0, BLOCKSZ - md->bblen);
-		sum_block((uint32_t*)md->blockbuf, md->sum);
-		md->bblen = 0;
-	}
-
-	/* pad to BLOCKSZ - 8 */
-	memset(md->blockbuf + md->bblen, 0, BLOCKSZ - 8 - md->bblen);
-
-	/* add the length */
-	*(uint64_t*)(md->blockbuf + BLOCKSZ - 8) = md->len;
-
-	/* then sum for the last time */
-	sum_block((uint32_t*)md->blockbuf, md->sum);
-}
-
-const char *md5_sumstr(struct md5_state *md)
-{
-	int i;
-	unsigned char *sum = (unsigned char*)md->sum;
-	char *s = (char*)md->blockbuf;
-
-	for(i=0; i<16; i++) {
-		s += sprintf(s, "%02x", sum[i]);
-	}
-	return (char*)md->blockbuf;
-}
diff --git a/server/src/md5.h b/server/src/md5.h
deleted file mode 100644
index 8f6ef38..0000000
--- a/server/src/md5.h
+++ /dev/null
@@ -1,55 +0,0 @@
-/* MD5 message digest
- * Author: John Tsiombikas <nuclear@member.fsf.org>
- *
- * This software is public domain. Feel free to use it any way you like.
- *
- * If public domain is not applicable in your part of the world, you may use
- * this under the terms of the Creative Commons CC-0 license:
- * http://creativecommons.org/publicdomain/zero/1.0/
- *
- *
- * usage example 1: compute the md5 sum of the string "hello world"
- *
- *    struct md5_state md;
- *    md5_begin(&md);
- *    md5_msg(&md, "hello world", 11);
- *    md5_end(&md);
- *
- * md5 sum in: md5_state.sum[0..4]
- * To print it you may use the helper function md5_sumstr:
- *    printf("%s\n", md5_sumstr(&md));
- *
- * usage example 2: comput the md5 sum of whatever comes through stdin
- *
- *     int sz;
- *     struct md5_state md;
- *     char buf[1024];
- *
- *     md5_begin(&md);
- *     while((sz = fread(buf, 1, sizeof buf, stdin)) > 0) {
- *         md5_msg(&md, buf, sz);
- *     }
- *     md5_end(&md);
- */
-#ifndef NUCLEAR_DROPCODE_MD5_H_
-#define NUCLEAR_DROPCODE_MD5_H_
-
-#include <stdint.h>
-
-struct md5_state {
-	uint32_t sum[4];
-	uint64_t len;
-	unsigned char blockbuf[64];
-	int bblen;
-};
-
-void md5_begin(struct md5_state *md);
-void md5_msg(struct md5_state *md, void *msg, int msg_size);
-void md5_end(struct md5_state *md);
-
-/* after computing the md5 sum, you may use this function to get a pointer
- * to a canonical string representation of the sum (identical to GNU md5sum)
- */
-const char *md5_sumstr(struct md5_state *md);
-
-#endif	/* NUCLEAR_DROPCODE_MD5_H_ */
diff --git a/src/md5.c b/src/md5.c
new file mode 100644
index 0000000..6b45070
--- /dev/null
+++ b/src/md5.c
@@ -0,0 +1,156 @@
+/* MD5 message digest
+ * Author: John Tsiombikas <nuclear@member.fsf.org>
+ *
+ * This software is public domain. Feel free to use it any way you like.
+ *
+ * If public domain is not applicable in your part of the world, you may use
+ * this under the terms of the Creative Commons CC-0 license:
+ * http://creativecommons.org/publicdomain/zero/1.0/
+ */
+#include <stdio.h>
+#include <string.h>
+#include "md5.h"
+
+#define BLOCKSZ 64
+
+static const int shifttab[] = {
+	7, 12, 17, 22, 7, 12, 17, 22, 7, 12, 17, 22, 7, 12, 17, 22,
+	5, 9, 14, 20, 5, 9, 14, 20, 5, 9, 14, 20, 5, 9, 14, 20,
+	4, 11, 16, 23, 4, 11, 16, 23, 4, 11, 16, 23, 4, 11, 16, 23,
+	6, 10, 15, 21, 6, 10, 15, 21, 6, 10, 15, 21, 6, 10, 15, 21
+};
+
+static const uint32_t sintab[] = {
+	0xd76aa478, 0xe8c7b756, 0x242070db, 0xc1bdceee,
+	0xf57c0faf, 0x4787c62a, 0xa8304613, 0xfd469501,
+	0x698098d8, 0x8b44f7af, 0xffff5bb1, 0x895cd7be,
+	0x6b901122, 0xfd987193, 0xa679438e, 0x49b40821,
+	0xf61e2562, 0xc040b340, 0x265e5a51, 0xe9b6c7aa,
+	0xd62f105d, 0x02441453, 0xd8a1e681, 0xe7d3fbc8,
+	0x21e1cde6, 0xc33707d6, 0xf4d50d87, 0x455a14ed,
+	0xa9e3e905, 0xfcefa3f8, 0x676f02d9, 0x8d2a4c8a,
+	0xfffa3942, 0x8771f681, 0x6d9d6122, 0xfde5380c,
+	0xa4beea44, 0x4bdecfa9, 0xf6bb4b60, 0xbebfbc70,
+	0x289b7ec6, 0xeaa127fa, 0xd4ef3085, 0x04881d05,
+	0xd9d4d039, 0xe6db99e5, 0x1fa27cf8, 0xc4ac5665,
+	0xf4292244, 0x432aff97, 0xab9423a7, 0xfc93a039,
+	0x655b59c3, 0x8f0ccc92, 0xffeff47d, 0x85845dd1,
+	0x6fa87e4f, 0xfe2ce6e0, 0xa3014314, 0x4e0811a1,
+	0xf7537e82, 0xbd3af235, 0x2ad7d2bb, 0xeb86d391
+};
+
+static void sum_block(uint32_t *blk, uint32_t *sum);
+static uint32_t rol(uint32_t x, int s);
+
+void md5_begin(struct md5_state *md)
+{
+	md->sum[0] = 0x67452301;
+	md->sum[1] = 0xefcdab89;
+	md->sum[2] = 0x98badcfe;
+	md->sum[3] = 0x10325476;
+	md->len = 0;
+	md->bblen = 0;
+}
+
+void md5_msg(struct md5_state *md, void *msg, int msg_size)
+{
+	int pending, sz;
+
+	while(msg_size) {
+		pending = BLOCKSZ - md->bblen;
+		sz = msg_size > pending ? pending : msg_size;
+
+		memcpy(md->blockbuf + md->bblen, msg, sz);
+		msg = (char*)msg + sz;
+		md->bblen += sz;
+		msg_size -= sz;
+
+		if(md->bblen >= BLOCKSZ) {
+			sum_block((uint32_t*)md->blockbuf, md->sum);
+			md->bblen = 0;
+			md->len += BLOCKSZ * 8;
+		}
+	}
+}
+
+static void sum_block(uint32_t *blk, uint32_t *sum)
+{
+	int i, f, g;
+	int a = sum[0];
+	int b = sum[1];
+	int c = sum[2];
+	int d = sum[3];
+
+	for(i=0; i<64; i++) {
+		switch(i >> 4) {
+		case 0:
+			f = d ^ (b & (c ^ d));
+			g = i;
+			break;
+
+		case 1:
+			f = c ^ (d & (b ^ c));
+			g = (i * 5 + 1) & 0xf;
+			break;
+
+		case 2:
+			f = b ^ c ^ d;
+			g = (i * 3 + 5) & 0xf;
+			break;
+
+		case 3:
+			f = c ^ (b | ~d);
+			g = (i * 7) & 0xf;
+		}
+
+		f += a + sintab[i] + blk[g];
+		a = d;
+		d = c;
+		c = b;
+		b += rol(f, shifttab[i]);
+	}
+
+	sum[0] += a;
+	sum[1] += b;
+	sum[2] += c;
+	sum[3] += d;
+}
+
+static uint32_t rol(uint32_t x, int s)
+{
+	return (x << s) | (x >> (32 - s));
+}
+
+void md5_end(struct md5_state *md)
+{
+	md->len += md->bblen * 8;
+	md->blockbuf[md->bblen++] = 0x80;	/* append 1-bit plus 8 zeros padding */
+
+	if(md->bblen > BLOCKSZ - 8) {
+		/* pad to BLOCKSZ, sum, then continue with further padding */
+		memset(md->blockbuf + md->bblen, 0, BLOCKSZ - md->bblen);
+		sum_block((uint32_t*)md->blockbuf, md->sum);
+		md->bblen = 0;
+	}
+
+	/* pad to BLOCKSZ - 8 */
+	memset(md->blockbuf + md->bblen, 0, BLOCKSZ - 8 - md->bblen);
+
+	/* add the length */
+	*(uint64_t*)(md->blockbuf + BLOCKSZ - 8) = md->len;
+
+	/* then sum for the last time */
+	sum_block((uint32_t*)md->blockbuf, md->sum);
+}
+
+const char *md5_sumstr(struct md5_state *md)
+{
+	int i;
+	unsigned char *sum = (unsigned char*)md->sum;
+	char *s = (char*)md->blockbuf;
+
+	for(i=0; i<16; i++) {
+		s += sprintf(s, "%02x", sum[i]);
+	}
+	return (char*)md->blockbuf;
+}
diff --git a/src/md5.h b/src/md5.h
new file mode 100644
index 0000000..8f6ef38
--- /dev/null
+++ b/src/md5.h
@@ -0,0 +1,55 @@
+/* MD5 message digest
+ * Author: John Tsiombikas <nuclear@member.fsf.org>
+ *
+ * This software is public domain. Feel free to use it any way you like.
+ *
+ * If public domain is not applicable in your part of the world, you may use
+ * this under the terms of the Creative Commons CC-0 license:
+ * http://creativecommons.org/publicdomain/zero/1.0/
+ *
+ *
+ * usage example 1: compute the md5 sum of the string "hello world"
+ *
+ *    struct md5_state md;
+ *    md5_begin(&md);
+ *    md5_msg(&md, "hello world", 11);
+ *    md5_end(&md);
+ *
+ * md5 sum in: md5_state.sum[0..4]
+ * To print it you may use the helper function md5_sumstr:
+ *    printf("%s\n", md5_sumstr(&md));
+ *
+ * usage example 2: comput the md5 sum of whatever comes through stdin
+ *
+ *     int sz;
+ *     struct md5_state md;
+ *     char buf[1024];
+ *
+ *     md5_begin(&md);
+ *     while((sz = fread(buf, 1, sizeof buf, stdin)) > 0) {
+ *         md5_msg(&md, buf, sz);
+ *     }
+ *     md5_end(&md);
+ */
+#ifndef NUCLEAR_DROPCODE_MD5_H_
+#define NUCLEAR_DROPCODE_MD5_H_
+
+#include <stdint.h>
+
+struct md5_state {
+	uint32_t sum[4];
+	uint64_t len;
+	unsigned char blockbuf[64];
+	int bblen;
+};
+
+void md5_begin(struct md5_state *md);
+void md5_msg(struct md5_state *md, void *msg, int msg_size);
+void md5_end(struct md5_state *md);
+
+/* after computing the md5 sum, you may use this function to get a pointer
+ * to a canonical string representation of the sum (identical to GNU md5sum)
+ */
+const char *md5_sumstr(struct md5_state *md);
+
+#endif	/* NUCLEAR_DROPCODE_MD5_H_ */