summaryrefslogtreecommitdiffstats
path: root/src
diff options
context:
space:
mode:
Diffstat (limited to 'src')
-rw-r--r--src/main.c52
-rw-r--r--src/opk.c7
-rw-r--r--src/opk.h24
-rw-r--r--src/opk/local.mk3
-rw-r--r--src/opk/opk.h1
-rw-r--r--src/opk/write.c119
6 files changed, 197 insertions, 9 deletions
diff --git a/src/main.c b/src/main.c
index 08be875..4a672b2 100644
--- a/src/main.c
+++ b/src/main.c
@@ -36,16 +36,28 @@
extern const char *PACKAGE_VERSION_GIT;
-const char *_optstring = "c:f:F:lLhV";
+const char *_optstring = "bc:d:f:F:lLhV";
#ifdef HAVE_GETOPT_LONG
struct option _longopts[] = {
{
+ .name = "build",
+ .has_arg = 0,
+ .flag = NULL,
+ .val = 'b',
+ },
+ {
.name = "control-dir",
.has_arg = 1,
.flag = NULL,
.val = 'c',
},
{
+ .name = "data-dir",
+ .has_arg = 1,
+ .flag = NULL,
+ .val = 'd',
+ },
+ {
.name = "control-file",
.has_arg = 1,
.flag = NULL,
@@ -89,9 +101,17 @@ _help(const char *program_name)
{
printf(_("Usage: %s [-c CONTROL-DIR] [-f CONTROL-FILE] [-F DATA-FILE] "
"[-l] [-L] PACKAGE\n"), program_name);
+ printf(_(" or: %s -b -c CONTROL-DIR -d DATA-DIR PACKAGE\n"),
+ program_name);
#ifdef HAVE_GETOPT_LONG
puts(_("Options:\n"
-" -c, --control-dir=CONTROL-DIR Extract control files into CONTROL-DIR.\n"
+" -b, --build Create a package from the specified\n"
+" CONTROL-DIR and DATA-DIR.\n"
+" -c, --control-dir=CONTROL-DIR In build mode, read control files from\n"
+" CONTROL-DIR. Otherwise, extract control\n"
+" files into CONTROL-DIR.\n"
+" -d, --data-dir=DATA-DIR In build mode, read data files from "
+ "DATA-DIR\n"
" -f, --control-file=CONTROL-FILE Print the contents of the named control "
"file.\n"
" If this option is given multiple times, the"
@@ -121,6 +141,11 @@ _help(const char *program_name)
" -V, --version Show version information and exit."));
#else
puts(_("Options:\n"
+" -b Create a package from the specified CONTROL-DIR and DATA-DIR.\n"
+" -c In build mode, read control files from CONTROL-DIR. Otherwise, extract"
+ "\n"
+" control files into CONTROL-DIR.\n"
+" -d In build mode, read data files from DATA-DIR\n"
" -f Print the contents of the named control file. If this option is given\n"
" multiple times, the named control files will be printed in the order "
"they\n"
@@ -182,6 +207,7 @@ main(int argc, char *argv[])
{
const char *program_name;
struct opkg_opk_opk *opk;
+ int build;
int opt_f;
int opt_F;
int opt_l;
@@ -206,6 +232,7 @@ main(int argc, char *argv[])
}
opterr = 0;
+ build = 0;
opt_f = 0;
opt_F = 0;
opt_l = 0;
@@ -217,9 +244,15 @@ main(int argc, char *argv[])
while ((opt = getopt(argc, argv, _optstring)) != -1) {
#endif
switch(opt) {
+ case 'b':
+ build = 1;
+ break;
case 'c':
opkg_opk_opk_control_dir(opk, optarg);
break;
+ case 'd':
+ opkg_opk_opk_data_dir(opk, optarg);
+ break;
case 'f':
if (opt_l > 0) {
_opt_mutex(program_name, 'f', 'l');
@@ -298,10 +331,17 @@ main(int argc, char *argv[])
return EXIT_FAILURE;
}
- /* Read package. */
- if (opkg_opk_opk_read(opk, argv[0]) != OPKG_OPK_OK) {
- opkg_opk_opk_free(opk);
- return EXIT_FAILURE;
+ /* Read or build package. */
+ if (build == 1) {
+ if (opkg_opk_opk_write(opk, argv[0]) != OPKG_OPK_OK) {
+ opkg_opk_opk_free(opk);
+ return EXIT_FAILURE;
+ }
+ } else {
+ if (opkg_opk_opk_read(opk, argv[0]) != OPKG_OPK_OK) {
+ opkg_opk_opk_free(opk);
+ return EXIT_FAILURE;
+ }
}
opkg_opk_opk_free(opk);
diff --git a/src/opk.c b/src/opk.c
index 4dbefcf..5619bc5 100644
--- a/src/opk.c
+++ b/src/opk.c
@@ -110,6 +110,13 @@ opkg_opk_opk_control_dir(struct opkg_opk_opk *opk, const char *dir)
return OPKG_OPK_OK;
}
+int
+opkg_opk_opk_data_dir(struct opkg_opk_opk *opk, const char *dir)
+{
+ opk->data_dir = dir;
+ return OPKG_OPK_OK;
+}
+
void
opkg_opk_opk_free(struct opkg_opk_opk *opk)
{
diff --git a/src/opk.h b/src/opk.h
index 049953f..8148dc8 100644
--- a/src/opk.h
+++ b/src/opk.h
@@ -80,8 +80,9 @@ int
opkg_opk_opk_list_data(struct opkg_opk_opk *opk);
/*
- * Sets the directory into which to extract control files. The directory (but
- * not its ancestors) will be created if it doesn't exist.
+ * Sets the directory into which to extract control files when reading or in
+ * which to find control files when writing. When extracting, the directory
+ * (but not its ancestors) will be created if it doesn't exist.
* Parameters:
* - opk: Package structure.
* - dir: Directory.
@@ -92,6 +93,17 @@ int
opkg_opk_opk_control_dir(struct opkg_opk_opk *opk, const char *dir);
/*
+ * Sets the directory in which to find data files when writing.
+ * Parameters:
+ * - opk: Package structure.
+ * - dir: Directory.
+ * Returns:
+ * - OPKG_OPK_OK.
+ */
+int
+opkg_opk_opk_data_dir(struct opkg_opk_opk *opk, const char *dir);
+
+/*
* Performs the configured read actions.
* Parameters:
* - file_name: Package's file name.
@@ -100,6 +112,14 @@ int
opkg_opk_opk_read(struct opkg_opk_opk *opk, const char *file_name);
/*
+ * Performs the configured write actions.
+ * Parameters:
+ * - file_name: Package's file name.
+ */
+int
+opkg_opk_opk_write(struct opkg_opk_opk *opk, const char *file_name);
+
+/*
* Frees a package structure.
* Parameters:
* - opk: Package structure.
diff --git a/src/opk/local.mk b/src/opk/local.mk
index a535a4f..a4722ba 100644
--- a/src/opk/local.mk
+++ b/src/opk/local.mk
@@ -1,3 +1,4 @@
opkg_opk_SOURCES += \
%reldir%/opk.h \
- %reldir%/read.c
+ %reldir%/read.c \
+ %reldir%/write.c
diff --git a/src/opk/opk.h b/src/opk/opk.h
index e5fc4d2..afd39b6 100644
--- a/src/opk/opk.h
+++ b/src/opk/opk.h
@@ -39,6 +39,7 @@ struct opkg_opk_opk {
int list_control;
int list_data;
const char *control_dir;
+ const char *data_dir;
FILE *file;
char file_buffer[8192];
struct opkg_opk_gzip *outer_gzip;
diff --git a/src/opk/write.c b/src/opk/write.c
new file mode 100644
index 0000000..12a36c6
--- /dev/null
+++ b/src/opk/write.c
@@ -0,0 +1,119 @@
+/*
+ * Copyright (C) 2023 Patrick McDermott
+ *
+ * This file is part of opkg-opkg.
+ *
+ * opkg-opkg is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * opkg-opkg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with opkg-opkg. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <grp.h>
+#include <pwd.h>
+#include <stdio.h>
+#include <string.h>
+#include "../defs.h"
+#include "../dirent.h"
+#include "../gzip.h"
+#include "../i18n.h"
+#include "../opk.h"
+#include "../ustar.h"
+#include "opk.h"
+
+static int
+_opkg_opk_opk_write_file(void *user_data, size_t size)
+{
+ struct opkg_opk_opk *opk = user_data;
+
+ if (fwrite(opk->file_buffer, 1, sizeof(opk->file_buffer), opk->file) ==
+ size) {
+ return OPKG_OPK_OK;
+ } else {
+ return OPKG_OPK_ERROR;
+ }
+}
+
+int
+opkg_opk_opk_write(struct opkg_opk_opk *opk, const char *file_name)
+{
+ int ret;
+ struct opkg_opk_dirent dirent;
+ char *buffer;
+ size_t size;
+
+ ret = OPKG_OPK_OK;
+
+ /* Open outer archive. */
+ opk->file = fopen(file_name, "wb");
+ if (opk->file == NULL) {
+ fprintf(stderr, _("Error: Failed to open file \"%s\"\n"),
+ file_name);
+ ret = OPKG_OPK_ERROR;
+ goto out0;
+ }
+
+ /* Initialize outer gzip decompressor. */
+ opk->outer_gzip = opkg_opk_gzip_init_write(&_opkg_opk_opk_write_file,
+ opk);
+ if (opk->outer_gzip == NULL) {
+ fputs(_("Error: Failed to initialize\n"), stderr);
+ ret = OPKG_OPK_ERROR;
+ goto out1;
+ }
+ opkg_opk_gzip_set_write_buffer(opk->outer_gzip, opk->file_buffer,
+ sizeof(opk->file_buffer));
+
+ /* Initialize outer ustar unarchiver. */
+ opk->outer_ustar = opkg_opk_ustar_init(opk->outer_gzip);
+ if (opk->outer_ustar == NULL) {
+ fputs(_("Error: Failed to initialize\n"), stderr);
+ ret = OPKG_OPK_ERROR;
+ goto out2;
+ }
+
+ /* Write version file. */
+ dirent.name = "debian-binary";
+ dirent.parent = NULL;
+ if (opkg_opk_ustar_write_header(opk->outer_ustar, &dirent, 0644,
+ 0, getpwuid(0)->pw_name,
+ 0, getgrgid(0)->gr_name,
+ 4, '-', NULL) != OPKG_OPK_OK) {
+ fputs(_("Error: Failed to write header\n"), stderr);
+ ret = OPKG_OPK_ERROR;
+ goto out3;
+ }
+ opkg_opk_ustar_get_buffer(opk->outer_ustar, &buffer, &size);
+ memcpy(buffer, "2.0\n", 4);
+ if (opkg_opk_ustar_write_data(opk->outer_ustar, 4) != OPKG_OPK_OK) {
+ fputs(_("Error: Failed to write data\n"), stderr);
+ ret = OPKG_OPK_ERROR;
+ goto out3;
+ }
+
+ /* TODO: control.tar.gz and data.tar.gz */
+
+ /* Write trailer. */
+ if (opkg_opk_ustar_write_trailer(opk->outer_ustar) != OPKG_OPK_OK) {
+ fputs(_("Error: Failed to write trailer\n"), stderr);
+ ret = OPKG_OPK_ERROR;
+ goto out3;
+ }
+
+ out3:
+ opkg_opk_ustar_free(opk->outer_ustar);
+ out2:
+ opkg_opk_gzip_free(opk->outer_gzip);
+ out1:
+ fclose(opk->file);
+ out0:
+ return ret;
+}