git: 540a99289bb1 - main - Add the base64 command using b64encode and b64decode
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Date: Mon, 18 Apr 2022 11:56:28 UTC
The branch main has been updated by pstef:
URL: https://cgit.FreeBSD.org/src/commit/?id=540a99289bb142cba89891d715f6ac3e1f7c7cb1
commit 540a99289bb142cba89891d715f6ac3e1f7c7cb1
Author: Piotr Pawel Stefaniak <pstef@FreeBSD.org>
AuthorDate: 2022-04-07 12:27:45 +0000
Commit: Piotr Pawel Stefaniak <pstef@FreeBSD.org>
CommitDate: 2022-04-18 11:53:59 +0000
Add the base64 command using b64encode and b64decode
Various scripts expect the base64 command to be present. We've had the
code and it's been exposed as b64encode/b64decode, but it wasn't widely
known under these names and the syntax is much different.
Reviewed by: delphij
Differential Revision: https://reviews.freebsd.org/D32945
---
usr.bin/bintrans/Makefile | 4 ++-
usr.bin/bintrans/bintrans.1 | 31 ++++++++++++++++++
usr.bin/bintrans/bintrans.c | 77 ++++++++++++++++++++++++++++++++++++++++++---
usr.bin/bintrans/uudecode.c | 18 +++++++++++
usr.bin/bintrans/uuencode.c | 16 ++++++++++
5 files changed, 140 insertions(+), 6 deletions(-)
diff --git a/usr.bin/bintrans/Makefile b/usr.bin/bintrans/Makefile
index ef9686aa290f..49acec470d76 100644
--- a/usr.bin/bintrans/Makefile
+++ b/usr.bin/bintrans/Makefile
@@ -10,11 +10,13 @@ LINKS+= ${BINDIR}/bintrans ${BINDIR}/uuencode
LINKS+= ${BINDIR}/bintrans ${BINDIR}/b64encode
LINKS+= ${BINDIR}/bintrans ${BINDIR}/uudecode
LINKS+= ${BINDIR}/bintrans ${BINDIR}/b64decode
+LINKS+= ${BINDIR}/bintrans ${BINDIR}/base64
MLINKS= bintrans.1 uudecode.1 \
bintrans.1 uuencode.1 \
uuencode.format.5 uuencode.5 \
bintrans.1 b64encode.1 \
- b64encode.1 b64decode.1
+ b64encode.1 b64decode.1 \
+ b64encode.1 base64.1
HAS_TESTS=
SUBDIR.${MK_TESTS}+= tests
diff --git a/usr.bin/bintrans/bintrans.1 b/usr.bin/bintrans/bintrans.1
index cdc819aa7a18..f489eb6fc258 100644
--- a/usr.bin/bintrans/bintrans.1
+++ b/usr.bin/bintrans/bintrans.1
@@ -67,6 +67,10 @@
.Op Fl i
.Fl o Ar output_file
.Op Ar file
+.Nm base64
+.Op Fl d
+.Op Fl w Ar column
+.Op Ar file
.Sh DESCRIPTION
The
.Nm uuencode
@@ -92,6 +96,33 @@ with the
flag specified.
.Pp
The
+.Nm base64
+utility acts as a base64 decoder when passed the
+.Fl -decode
+.Po or
+.Fl d
+.Pc
+flag and as a base64 encoder otherwise.
+As a decoder it only accepts raw base64 input
+and as an encoder it does not produce the framing lines.
+.Nm base64
+reads standard input or
+.Ar file
+if it is provided and writes to standard output.
+Options
+.Fl -wrap
+.Po or
+.Fl w
+.Pc
+and
+.Fl -ignore-garbage
+.Po or
+.Fl i
+.Pc
+are accepted for compatibility with GNU base64,
+but the latter is unimplemented and silently ignored.
+.Pp
+The
.Nm uuencode
utility reads
.Ar file
diff --git a/usr.bin/bintrans/bintrans.c b/usr.bin/bintrans/bintrans.c
index e158dd2c1b5c..435f982ac520 100644
--- a/usr.bin/bintrans/bintrans.c
+++ b/usr.bin/bintrans/bintrans.c
@@ -26,7 +26,9 @@
*/
#include <sys/param.h>
+#include <getopt.h>
#include <libgen.h>
+#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
@@ -34,11 +36,16 @@
extern int main_decode(int, char *[]);
extern int main_encode(int, char *[]);
+extern int main_base64_decode(const char *);
+extern int main_base64_encode(const char *, const char *);
static int search(const char *const);
+static void usage_base64(bool);
+static void version_base64(void);
+static void base64_encode_or_decode(int, char *[]);
enum coders {
- uuencode, uudecode, b64encode, b64decode
+ uuencode, uudecode, b64encode, b64decode, base64
};
int
@@ -61,11 +68,15 @@ main(int argc, char *argv[])
case b64decode:
main_decode(argc, argv);
break;
+ case base64:
+ base64_encode_or_decode(argc, argv);
+ break;
default:
(void)fprintf(stderr,
- "usage: %s <uuencode | uudecode> ...\n"
- " %s <b64encode | b64decode> ...\n",
- progname, progname);
+ "usage: %1$s <uuencode | uudecode> ...\n"
+ " %1$s <b64encode | b64decode> ...\n"
+ " %1$s <base64> ...\n",
+ progname);
exit(EX_USAGE);
}
}
@@ -78,7 +89,8 @@ search(const char *const progname)
DESIGNATE(uuencode),
DESIGNATE(uudecode),
DESIGNATE(b64encode),
- DESIGNATE(b64decode)
+ DESIGNATE(b64decode),
+ DESIGNATE(base64)
};
for (size_t i = 0; i < nitems(known); i++)
@@ -86,3 +98,58 @@ search(const char *const progname)
return ((int)i);
return (-1);
}
+
+static void
+usage_base64(bool failure)
+{
+ (void)fputs("usage: base64 [-w col | --wrap=col] "
+ "[-d | --decode] [FILE]\n"
+ " base64 --help\n"
+ " base64 --version\n", stderr);
+ exit(failure ? EXIT_FAILURE : EXIT_SUCCESS);
+}
+
+static void
+version_base64(void)
+{
+ (void)fputs("FreeBSD base64\n", stderr);
+ exit(EXIT_SUCCESS);
+}
+
+static void
+base64_encode_or_decode(int argc, char *argv[])
+{
+ int ch;
+ bool decode = false;
+ const char *w = NULL;
+ enum { HELP, VERSION };
+ static const struct option opts[] =
+ {
+ {"decode", no_argument, NULL, 'd'},
+ {"ignore-garbage",no_argument, NULL, 'i'},
+ {"wrap", required_argument, NULL, 'w'},
+ {"help", no_argument, NULL, HELP},
+ {"version", no_argument, NULL, VERSION},
+ {NULL, no_argument, NULL, 0}
+ };
+
+ while ((ch = getopt_long(argc, argv, "diw:", opts, NULL)) != -1)
+ switch (ch) {
+ case 'd':
+ decode = true;
+ break;
+ case 'w':
+ w = optarg;
+ break;
+ case VERSION:
+ version_base64();
+ case HELP:
+ default:
+ usage_base64(ch == '?');
+ }
+
+ if (decode)
+ main_base64_decode(argv[optind]);
+ else
+ main_base64_encode(argv[optind], w);
+}
diff --git a/usr.bin/bintrans/uudecode.c b/usr.bin/bintrans/uudecode.c
index cd97f7406cc2..29e31d474aae 100644
--- a/usr.bin/bintrans/uudecode.c
+++ b/usr.bin/bintrans/uudecode.c
@@ -69,6 +69,7 @@ __FBSDID("$FreeBSD$");
#include <unistd.h>
extern int main_decode(int, char *[]);
+extern int main_base64_decode(const char *);
static const char *infile, *outfile;
static FILE *infp, *outfp;
@@ -80,6 +81,23 @@ static int decode2(void);
static int uu_decode(void);
static int base64_decode(void);
+int
+main_base64_decode(const char *in)
+{
+ base64 = 1;
+ rflag = 1;
+ if (in != NULL) {
+ infile = in;
+ infp = fopen(infile, "r");
+ if (infp == NULL)
+ err(1, "%s", in);
+ } else {
+ infile = "stdin";
+ infp = stdin;
+ }
+ exit(decode());
+}
+
int
main_decode(int argc, char *argv[])
{
diff --git a/usr.bin/bintrans/uuencode.c b/usr.bin/bintrans/uuencode.c
index 4837d3310578..cb3669dd55d0 100644
--- a/usr.bin/bintrans/uuencode.c
+++ b/usr.bin/bintrans/uuencode.c
@@ -65,6 +65,7 @@ __FBSDID("$FreeBSD$");
#include <unistd.h>
extern int main_encode(int, char *[]);
+extern int main_base64_encode(const char *, const char *);
static void encode(void);
static void base64_encode(void);
@@ -77,6 +78,21 @@ static bool raw;
static char **av;
static int columns = 76;
+int
+main_base64_encode(const char *in, const char *w)
+{
+ raw = 1;
+ if (in != NULL && freopen(in, "r", stdin) == NULL)
+ err(1, "%s", in);
+ output = stdout;
+ if (w != NULL)
+ columns = arg_to_col(w);
+ base64_encode();
+ if (ferror(output))
+ errx(1, "write error");
+ exit(0);
+}
+
int
main_encode(int argc, char *argv[])
{