initial commit

4 files changed, 84 insertions, 0 deletions

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..aca991b
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+deonebook
+*.o
diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..bee0ceb
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2020 Jakob Kaivo <jakob@kaivo.net>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..bf7a297
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,26 @@
+.POSIX:
+
+# This Makefile was generated by maje
+# See https://gitlab.com/jkaivo/maje/ for more information
+# Do not edit this Makefile by hand
+
+CC=c99
+LD=$(CC)
+CFLAGS=-Wall -Wextra -Wpedantic -Werror -g
+LDFLAGS=
+LDLIBS=
+SRCDIR=.
+OBJDIR=.
+BINDIR=$(OBJDIR)
+
+all: $(BINDIR)/deonebook
+
+clean:
+	rm -f $(BINDIR)/deonebook $(OBJDIR)/*.o
+
+$(BINDIR)/deonebook: $(OBJDIR)/deonebook.o
+$(OBJDIR)/deonebook.o: $(SRCDIR)/deonebook.c
+	$(CC) $(CFLAGS) -o $@ -c $(SRCDIR)/deonebook.c
+
+$(BINDIR)/deonebook:
+	$(LD) $(LDFLAGS) -o $@ $(OBJDIR)/*.o $(LDLIBS)
diff --git a/deonebook.c b/deonebook.c
new file mode 100644
index 0000000..cd8bb75
--- /dev/null
+++ b/deonebook.c
@@ -0,0 +1,35 @@
+#define _XOPEN_SOURCE 700
+#include <stdio.h>
+#include <unistd.h>
+
+int main(int argc, char *argv[])
+{
+	char *serial = NULL;
+
+	int c;
+	while ((c = getopt(argc, argv, "s:")) != -1) {
+		switch (c) {
+		case 's':
+			serial = optarg;
+			break;
+
+		default:
+			return 1;
+		}
+	}
+
+	if (serial == NULL) {
+		fprintf(stderr, "%s: missing serial number (provide via -s)\n",
+			argv[0]);
+		return 1;
+	}
+
+	if (optind >= argc) {
+		fprintf(stderr, "%s: missing operands\n", argv[0]);
+		return 1;
+	}
+
+	do {
+		printf("decrypting %s [%s]\n", argv[optind], serial);
+	} while (++optind < argc);
+}