diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/Makefile | 37 | ||||
| -rw-r--r-- | src/btasktd.c | 189 | ||||
| -rw-r--r-- | src/cliflags.c | 94 | ||||
| -rw-r--r-- | src/cliflags.h | 75 | ||||
| -rw-r--r-- | src/db.c | 198 | ||||
| -rw-r--r-- | src/db.h | 59 |
6 files changed, 0 insertions, 652 deletions
diff --git a/src/Makefile b/src/Makefile deleted file mode 100644 index c09b5a5..0000000 --- a/src/Makefile +++ /dev/null @@ -1,37 +0,0 @@ -# Copyright (c) 2026, Mr. Goblin -# -# SPDX-License-Identifier: BSD-2-Clause - -# CC = cc -fno-caret-diagnostics -fno-color-diagnostics -CC = gcc -fno-diagnostics-show-caret -fdiagnostics-color=never -# CC = gcc -CFLAGS = -Wall -Wextra -pedantic -std=c99 - -# DEBUG = -g -# DEBUG = -ggdb -DEBUG = - -# STATIC = -static -STATIC = -static -s -# STATIC = - -MAINBINARIES = btasktd - -.SUFFIXES: -.SUFFIXES: .c .o - -all: $(MAINBINARIES) - -clean: - rm -f $(MAINBINARIES) *.o *.test - -.c.o: - $(CC) $(DEBUG) $(CFLAGS) -c $< -o $@ - - -BTASKTD_OBJECTS = btasktd.o cliflags.o -BTASKTD_LIBS = -lc - -btasktd: $(BTASKTD_OBJECTS) - $(CC) $(DEBUG) $(CFLAGS) $(STATIC) $(BTASKTD_OBJECTS) -o $@ \ - $(BTASKTD_LIBS) diff --git a/src/btasktd.c b/src/btasktd.c deleted file mode 100644 index 9878a3d..0000000 --- a/src/btasktd.c +++ /dev/null @@ -1,189 +0,0 @@ -/*- - * Copyright (c) 2026, Mr. Goblin - * - * SPDX-License-Identifier: BSD-2-Clause - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above - * copyright notice, this list of conditions and the following - * disclaimer in the documentation and/or other materials provided - * with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT - * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND - * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL - * THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT - * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - */ - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <sys/types.h> -#include <sys/time.h> -#include <sys/socket.h> -#include <sys/select.h> -#include <netinet/in.h> -#include <fcntl.h> -#include <unistd.h> -#include <errno.h> -#include "cliflags.h" - -#define BTASKTD_HELP_STR \ - "btasktd - task tracking TCP-server\n" \ - "flags:\n" \ - " -p PORT\n" \ - " sets the port server should listen to\n" \ - " -h\n" \ - " prints the help message (the server won't start!)\n" \ - " -V\n" \ - " prints version (the server won't start!)\n" - -#define BTASKTD_VERSION_STR \ - "0.0.0" - -#ifndef BTASKTD_QUEUE_LEN -# define BTASKTD_QUEUE_LEN 16 -#endif - -static void -fprint_help(FILE *f) -{ - fputs(BTASKTD_HELP_STR, f); -} - -static void -set_nonblock(int fd) -{ - int fflags = fcntl(fd, F_GETFL); - fcntl(fd, F_SETFL, fflags|O_NONBLOCK); -} - -int -main(int argc, char **argv) -{ - int server_fd, opt = 1, res, port, passed_flags = 1, users_cnt; - int *users = NULL; - struct sockaddr_in addr = {0}; - struct int_flag_val int_res; - struct bool_flag_val show_ver, show_help; - - show_ver = extract_bool_flag('V', argc, argv); - if (fvr_ok == show_ver.code && show_ver.data) { - printf("btasktd version %s\n", BTASKTD_VERSION_STR); - return 0; - } - - show_help = extract_bool_flag('h', argc, argv); - if (show_help.code == fvr_ok && show_help.data) { - fprint_help(stdout); - return 0; - } - - int_res = extract_int_flag('p', argc, argv); - switch (int_res.code) { - case fvr_not_found: -# ifdef BTASKTD_DEFAULT_PORT - port = BTASKTD_DEFAULT_PORT; -# else - fputs("No port specified!\n", stderr); - passed_flags = 0; -# endif - break; - case fvr_ok: - port = int_res.data; - if (port > 0) - break; - /* fallthrough */ - case fvr_invalid: - fputs("Invalid port!\n", stderr); - return 1; - break; - } - - int_res = extract_int_flag('u', argc, argv); - switch (int_res.code) { - case fvr_not_found: -# ifdef BTASKTD_DEFAULT_USERS_CNT - users_cnt = BTASKTD_DEFAULT_USERS_CNT; -# else - fputs("No users count specified!\n", stderr); - passed_flags = 0; -# endif - break; - case fvr_ok: - users = int_res.data; - if (users > 0) - break; - /* fallthrough */ - case fvr_invalid: - fputs("Invalid users count!\n", stderr); - return 1; - break; - } - - if (!passed_flags) { - fprint_help(stderr); - return 1; - } - - users = (int*)malloc(users_cnt * sizeof(int)); - if (NULL == users) { - fputs("No memory!\n", stderr); - return 1; - } - - server_fd = socket(AF_INET, SOCK_STREAM, 0); - if (server_fd < 0) { - free(users); - perror("socket"); - return 1; - } - addr.sin_family = AF_INET; - addr.sin_port = htons(port); - addr.sin_addr.s_addr = htonl(INADDR_ANY); - res = bind(server_fd, (struct sockaddr*)&addr, sizeof(addr)); - if (0 != res) { - close(server_fd); - free(users); - perror("bind"); - return 1; - } - res = listen(server_fd, BTASKTD_QUEUE_LEN); - if (0 != res) { - close(server_fd); - free(users); - perror("listen"); - return 1; - } - res = setsockopt(server_fd, SOL_SOCKET, SO_REUSEADDR, - &opt, sizeof(opt)); - if (0 != res) { - close(server_fd); - free(users); - perror("setsockopt"); - return 1; - } - - set_nonblock(server_fd); - printf("btaskt server btasktd started on port %d\n", port); - - /* main loop here */ - - printf("btaskt server btasktd stopped\n"); - close(server_fd); - free(users); - return 0; -} diff --git a/src/cliflags.c b/src/cliflags.c deleted file mode 100644 index e3ff7f2..0000000 --- a/src/cliflags.c +++ /dev/null @@ -1,94 +0,0 @@ -/*- - * Copyright (c) 2026, Mr. Goblin - * - * SPDX-License-Identifier: BSD-2-Clause - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above - * copyright notice, this list of conditions and the following - * disclaimer in the documentation and/or other materials provided - * with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT - * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND - * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL - * THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT - * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - */ - -#include <stdlib.h> -#include <string.h> - -#include "cliflags.h" - -/* -f */ -struct bool_flag_val -extract_bool_flag(char flagletter, int argc, char **argv) -{ - struct bool_flag_val res = {0}; - char flagstr[3] = { '-', ' ', '\0' }; - int i; - flagstr[1] = flagletter; - res.code = fvr_not_found; - res.data = 0; - for (i = 1; i < argc; i++) { - if (0 == strcmp(flagstr, argv[i])) { - res.code = fvr_ok; - res.data = 1; - break; - } - } - return res; -} - -/* -f the_str */ -struct str_flag_val -extract_str_flag(char flagletter, int argc, char **argv) -{ - struct str_flag_val res = {0}; - char flagstr[3] = { '-', ' ', '\0' }; - int i; - flagstr[1] = flagletter; - for (i = 1; i < argc; i++) - if (0 == strcmp(flagstr, argv[i])) - break; - if (argc <= i) { - res.code = fvr_not_found; - } else if (argc-1 == i) { - res.code = fvr_invalid; - } else { - res.code = fvr_ok; - res.data = argv[i+1]; - } - return res; -} - -/* -f number */ -struct int_flag_val -extract_int_flag(char flagletter, int argc, char **argv) -{ - struct int_flag_val res; - struct str_flag_val strres = - extract_str_flag(flagletter, argc, argv); - char *endptr; - res.code = strres.code; - if (fvr_ok != res.code) { - return res; - } - res.data = strtol(strres.data, &endptr, 10); - if ('\0' != *endptr) - res.code = fvr_invalid; - return res; -} diff --git a/src/cliflags.h b/src/cliflags.h deleted file mode 100644 index 5bf251b..0000000 --- a/src/cliflags.h +++ /dev/null @@ -1,75 +0,0 @@ -/*- - * Copyright (c) 2026, Mr. Goblin - * - * SPDX-License-Identifier: BSD-2-Clause - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above - * copyright notice, this list of conditions and the following - * disclaimer in the documentation and/or other materials provided - * with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT - * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND - * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL - * THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT - * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - */ - -#ifndef BTASKTD_CLIFLAGS_H_SENTRY -#define BTASKTD_CLIFLAGS_H_SENTRY -#ifdef __cplusplus -extern "C" { -#endif - -enum flag_val_res { - fvr_ok = 0, - fvr_min = fvr_ok, - fvr_not_found, - fvr_invalid, - fvr_max = fvr_invalid -}; - -struct str_flag_val { - enum flag_val_res code; - char *data; -}; - -struct int_flag_val { - enum flag_val_res code; - int data; -}; - -struct bool_flag_val { - enum flag_val_res code; - int data; -}; - -/* -f */ -struct bool_flag_val -extract_bool_flag(char flagletter, int argc, char **argv); - -/* -f the_str */ -struct str_flag_val -extract_str_flag(char flagletter, int argc, char **argv); - -/* -f number */ -struct int_flag_val -extract_int_flag(char flagletter, int argc, char **argv); - -#ifdef __cplusplus -} -#endif -#endif /* BTASKTD_CLIFLAGS_H_SENTRY */ diff --git a/src/db.c b/src/db.c deleted file mode 100644 index c547013..0000000 --- a/src/db.c +++ /dev/null @@ -1,198 +0,0 @@ -/*- - * Copyright (c) 2026, Mr. Goblin - * - * SPDX-License-Identifier: BSD-2-Clause - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above - * copyright notice, this list of conditions and the following - * disclaimer in the documentation and/or other materials provided - * with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT - * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND - * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL - * THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT - * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - */ - -#include <sys/types.h> -#include <sys/stat.h> -#include <dirent.h> -#include <fcntl.h> -#include <unistd.h> -#include <wait.h> -#include <string.h> -#include <limits.h> -#include <errno.h> -#include "db.h" - -#ifndef PATH_MAX -# define PATH_MAX 4096 -#endif - -#ifndef NAME_MAX -# define NAME_MAX 255 -#endif - -#define DIR_NAME_BUF_SIZE (NAME_MAX+1) - - -static const char * -find_chr_or_zero(const char *s, char ch) -{ - while (*s && *s != ch) - s++; - return s; -} - -static const char * -find_chr_or_zero_n(const char *s, char ch, int n) -{ - int i = 0; - while (i < n && *s && *s != ch) { - s++; - i++; - } - return s; -} - -static struct db_value_int -does_dir_exist(const char *path) -{ - struct db_value_int res = {0}; - struct stat st = {0}; - int code; - res.code = dbe_ok; - res.data = 1; - code = stat(path, &st); - if (0 != code) { - if (ENOENT == errno) - res.data = 0; - else if (EACCES == errno) - res.code = dbe_access; - else - res.code = dbe_unknown; - } else { - res.data = S_IFDIR == (st.st_mode & S_IFMT); - } - return res; -} - -static enum db_error -make_dir_ifne(const char *path, int rights) -{ - struct db_value_int val = {0}; - int code; - val = does_dir_exist(path); - if (dbe_ok != val.code) - return val.code; - else if (val.data) - return dbe_ok; - code = mkdir(path, rights); - if (code != 0) { - if (EACCES == errno) - return dbe_access; - else if (EEXIST == errno) - return dbe_notdir; - } - return dbe_ok; -} - -static enum db_error -do_make_dir_path(const char *path, int rights) -{ - char buf[DIR_NAME_BUF_SIZE] = {0}; - const char *p = find_chr_or_zero(path, '/'); - unsigned sz = p - path + 1, code; - if (sizeof(buf) < sz) - return dbe_inval; - strncpy(buf, path, sz); - buf[sz-1] = '\0'; - code = make_dir_ifne(buf, rights); - if (dbe_ok != code) - return code; - if (*p) { - code = chdir(buf); - if (0 != code) - return dbe_access; - code = do_make_dir_path(p+1, rights); - if (dbe_ok != code) - return code; - code = chdir(".."); - if (0 != code) - return dbe_access; - } - return dbe_ok; -} - -/* mkdir -p */ -enum db_error -make_dir_path(const char *path, int rights) -{ - return do_make_dir_path(path, rights); -} - -/* ==================================================================== */ - -#ifdef BTASKTD_DB_TEST - -#include <stdio.h> - -#define TEST_CODE(code) \ - do { \ - const char *s = NULL; \ - switch (code) { \ - case dbe_ok: s = "NO_ERROR"; break; \ - case dbe_notdir: s = "NOT_DIR"; break; \ - case dbe_inval: s = "INV_INPUT"; break; \ - case dbe_access: s = "ACCESS"; break; \ - default: s = "UNKNOWN"; \ - } \ - fprintf(stderr, "%s\n", s); \ - } while (0) - - -int -main(void) -{ - int i, pid; - const char *path = "test_db/super_test/mtest"; - for (i = 0; i < 10; i++) - TEST_CODE(make_dir_path(path, 0777)); - pid = fork(); - if (-1 == pid) { - fprintf(stderr, "can't fork\n"); - return 1; - } else if (0 == pid) { - execlp("ls", "ls", "-laR", NULL); - _exit(128); - } else { - wait(NULL); - } - pid = fork(); - if (-1 == pid) { - fprintf(stderr, "can't fork\n"); - return 1; - } else if (0 == pid) { - execlp("rm", "rm", "-rf", "test_db", NULL); - _exit(127); - } else { - wait(NULL); - } - return 0; -} - -#endif diff --git a/src/db.h b/src/db.h deleted file mode 100644 index ebb42c5..0000000 --- a/src/db.h +++ /dev/null @@ -1,59 +0,0 @@ -/*- - * Copyright (c) 2026, Mr. Goblin - * - * SPDX-License-Identifier: BSD-2-Clause - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above - * copyright notice, this list of conditions and the following - * disclaimer in the documentation and/or other materials provided - * with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT - * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND - * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL - * THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT - * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - */ - -#ifndef BTASKT_DB_H_SENTRY -#define BTASKT_DB_H_SENTRY -#ifdef __cplusplus -extern "C" { -#endif - -enum db_error { - dbe_ok = 0, - dbe_min = dbe_ok, - dbe_notdir, - dbe_inval, - dbe_access, - dbe_unknown, - dbe_max = dbe_unknown -}; - -struct db_value_int { - enum db_error code; - int data; -}; - -/* mkdir -p */ -enum db_error -make_dir_path(const char *path, int rights); - -#ifdef __cplusplus -} -#endif -#endif /* BTASKT_DB_H_SENTRY */ |