feat(landerctl): started custom cli tool; wrote config parser
parent
13b20715bf
commit
49c4c78242
GPG Key ID:
B75D4F293C7052DB
53
landerctl
53
landerctl
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@ -1,53 +0,0 @@
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#!/usr/bin/env sh
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API_KEY=test
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URL=http://localhost:18080
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if [[ "$2" != '-' ]]; then
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filename="$2"
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content_type="$(file --mime-type --brief $2)"
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fi
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if [ "$1" = g ]; then
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exec curl -is "$URL/$2" |
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sed -En 's/^[lL]ocation: (.*)/\1/p'
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elif [ "$1" = s ] || [ "$1" = sl ]; then
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exec curl \
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--fail \
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-w "${URL}%header{location}" \
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-XPOST \
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-d "$2" \
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-H "X-Api-Key: $API_KEY" \
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"$URL/$1/$3"
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elif [ "$1" = p ] || [ "$1" = pl ]; then
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exec curl \
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--fail \
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-w "${URL}%header{location}" \
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-XPOST \
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-H "X-Api-Key: $API_KEY" \
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-H "X-Lander-Filename: ${filename}" \
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--data-binary @"$2" \
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"$URL/$1/$3"
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elif [ "$1" = f ] || [ "$1" = fl ]; then
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exec curl \
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--fail \
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-v \
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-w "${URL}%header{location}" \
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-XPOST \
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-H "X-Api-Key: $API_KEY" \
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-H "X-Lander-Content-Type: ${content_type}" \
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-H "X-Lander-Filename: ${filename}" \
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-T "$2" \
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"$URL/$1/$3"
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elif [ "$1" = d ]; then
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exec curl \
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--fail \
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-XDELETE \
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-H "X-Api-Key: $API_KEY" \
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"$URL/$2"
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fi
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@ -0,0 +1 @@
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api_key = test
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@ -0,0 +1,120 @@
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# https://spin.atomicobject.com/2016/08/26/makefile-c-projects/ was a great
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# base for this Makefile
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-include config.mk
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export CFLAGS
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export LDFLAGS
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BIN := $(BUILD_DIR)/$(BIN_FILENAME)
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SRCS != find '$(SRC_DIR)' -iname '*.c'
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SRCS_H != find include -iname '*.h'
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OBJS := $(SRCS:%=$(BUILD_DIR)/%.o) $(SRCS_THIRDPARTY:%=$(BUILD_DIR)/%.o)
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DEPS := $(SRCS:%=$(BUILD_DIR)/%.d)
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_CFLAGS := $(addprefix -I,$(INC_DIRS)) $(CFLAGS) -Wall -Wextra -DLANDER_VERSION=\"$(VERSION)\"
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_LDFLAGS := $(addprefix -L,$(LIB_DIRS)) $(addprefix -l,$(LIBS)) $(LDFLAGS)
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.PHONY: all
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all: $(BIN)
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# =====COMPILATION=====
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# Utility used by the CI to lint
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.PHONY: objs
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objs: $(OBJS)
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$(BIN): $(OBJS)
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$(CC) -o $@ $(OBJS) $(_LDFLAGS)
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$(BUILD_DIR)/$(SRC_DIR)/%.c.o: $(SRC_DIR)/%.c
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mkdir -p $(dir $@)
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$(CC) $(_CFLAGS) -c $< -o $@
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$(BUILD_DIR)/$(THIRDPARTY_DIR)/%.c.o: $(THIRDPARTY_DIR)/%.c
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mkdir -p $(dir $@)
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$(CC) $(_CFLAGS) -c $< -o $@
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# =====TESTING=====
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.PHONY: run
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run: $(BIN)
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LANDER_API_KEY=test \
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LANDER_DATA_DIR=data \
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'$(BUILD_DIR)/$(BIN_FILENAME)'
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.PHONY: valgrind
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valgrind: $(BIN)
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LANDER_API_KEY=test \
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LANDER_DATA_DIR=data \
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valgrind '$(BUILD_DIR)/$(BIN_FILENAME)'
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.PHONY: test
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test: $(TARGETS_TEST)
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.PHONY: test-mem
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test-mem: $(TARGETS_MEM_TEST)
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.PHONY: $(TARGETS_TEST)
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$(TARGETS_TEST): test-%: %
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./$^
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.PHONY: $(TARGETS_MEM_TEST)
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$(TARGETS_MEM_TEST): test-mem-%: %
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valgrind --tool=memcheck --error-exitcode=1 --track-origins=yes --leak-check=full ./$^
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.PHONY: build-test
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build-test: $(BINS_TEST)
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$(BINS_TEST): %: %.c.o
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$(CC) \
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$^ -o $@
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# Along with the include directory, each test includes $(TEST_DIR) (which
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# contains the acutest.h header file), and the src directory of the module it's
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# testing. This allows tests to access internal methods, which aren't publicly
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# exposed.
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$(BUILD_DIR)/$(TEST_DIR)/%.c.o: $(TEST_DIR)/%.c
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mkdir -p $(dir $@)
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$(CC) $(_CFLAGS) -I$(TEST_DIR) \
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-I$(dir $(@:$(BUILD_DIR)/$(TEST_DIR)/%=$(SRC_DIR)/%)) \
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-c $< -o $@
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# =====MAINTENANCE=====
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.PHONY: lint
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lint:
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clang-format -n --Werror $(SRCS) $(SRCS_H) $(SRCS_H_INTERNAL)
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.PHONY: fmt
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fmt:
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clang-format -i $(SRCS) $(SRCS_H) $(SRCS_H_INTERNAL)
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.PHONY: check
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check:
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mkdir -p $(BUILD_DIR)/cppcheck
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cppcheck \
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$(addprefix -I,$(INC_DIRS)) \
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--cppcheck-build-dir=$(BUILD_DIR)/cppcheck \
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--project=compile_commands.json \
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--error-exitcode=1 \
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--enable=warning,style \
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--inline-suppr \
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--check-level=exhaustive \
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--quiet \
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-j$(shell nproc)
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.PHONY: clean
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clean:
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rm -rf $(BUILD_DIR)
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.PHONY: bear
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bear: clean
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bear -- make
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bear --append -- make build-test
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# Make make aware of the .d files
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-include $(DEPS)
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@ -0,0 +1,22 @@
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VERSION := 0.2.0
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BIN_FILENAME = landerctl
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BUILD_DIR = build
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SRC_DIR = src
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TEST_DIR = test
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INC_DIRS = include
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LIBS = magic curl
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LIB_DIRS =
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# -MMD: generate a .d file for every source file. This file can be imported by
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# make and makes make aware that a header file has been changed, ensuring an
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# object file is also recompiled if only a header is changed.
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# -MP: generate a dummy target for every header file (according to the docs it
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# prevents some errors when removing header files)
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CFLAGS = -MMD -MP -g
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# When compiling release builds, these flags are better
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# CLAGS = -O3
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# LDFLAGS = -flto
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#ifndef LANDERCTL
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#define LANDERCTL
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typedef struct landerctl_cfg {
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const char *api_key;
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} landerctl_cfg;
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typedef enum landerctl_cfg_err {
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landerctl_cfg_err_ok = 0,
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landerctl_cfg_err_not_found,
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landerctl_cfg_err_invalid,
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landerctl_cfg_err_incomplete,
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} landerctl_cfg_err;
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/**
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* Try to parse the required config arguments from the config file
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*
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* @param out config to write values to. Existing values are overwritten
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* @param path path to config file
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*/
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landerctl_cfg_err landerctl_cfg_parse(landerctl_cfg *out, const char *path);
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#endif
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#include <regex.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "landerctl.h"
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static const char cfg_line_regex_expr[] = "^([^ ]+) *= *([^ ]+)$";
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landerctl_cfg_err landerctl_cfg_parse(landerctl_cfg *out, const char *path) {
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FILE *f = fopen(path, "r");
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if (f == NULL) {
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return landerctl_cfg_err_not_found;
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}
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regex_t cfg_line_regex;
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regcomp(&cfg_line_regex, cfg_line_regex_expr, REG_EXTENDED);
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// Accept lines of at most 256 lines
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char line[256];
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landerctl_cfg_err res = landerctl_cfg_err_incomplete;
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while (fgets(line, sizeof(line), f) != NULL) {
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// Last character might be a newline
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size_t len = strlen(line);
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if (line[len - 1] == '\n') {
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line[len - 1] = '\0';
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}
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regmatch_t reg_groups[3];
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if (regexec(&cfg_line_regex, line, 3, reg_groups, 0) != 0) {
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res = landerctl_cfg_err_not_found;
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break;
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}
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// api_key is currently the only value we parse
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int key_len = reg_groups[1].rm_eo - reg_groups[1].rm_so;
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if ((strlen("api_key") == key_len) &&
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(strncmp("api_key", &line[reg_groups[1].rm_so], key_len) == 0)) {
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int val_len = reg_groups[2].rm_eo - reg_groups[2].rm_so;
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char *buf = malloc(val_len + 1);
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strncpy(buf, &line[reg_groups[2].rm_so], val_len);
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out->api_key = buf;
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res = landerctl_cfg_err_ok;
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break;
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}
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}
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fclose(f);
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return res;
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}
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@ -0,0 +1,87 @@
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#include <stdlib.h>
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#include <string.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include <curl/curl.h>
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#include <magic.h>
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#include "landerctl.h"
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const char default_cfg_path[] = ".landerrc";
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int main(int argc, char **argv) {
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landerctl_cfg cfg;
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char *err_msg = NULL;
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switch (landerctl_cfg_parse(&cfg, default_cfg_path)) {
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case landerctl_cfg_err_ok:
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break;
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case landerctl_cfg_err_not_found:
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err_msg = "Config file not found";
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break;
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case landerctl_cfg_err_invalid:
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err_msg = "Invalid config file";
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break;
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case landerctl_cfg_err_incomplete:
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err_msg = "Incomplete config file";
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break;
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}
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if (err_msg != NULL) {
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fprintf(stderr, "%s\n", err_msg);
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exit(1);
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}
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/* struct stat sb; */
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/* stat(argv[1], &sb); */
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/* printf("file size: %lu\n", sb.st_size); */
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/* FILE *f = fopen(argv[1], "rb"); */
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/* if (f == NULL) { */
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/* printf("Couldn't open file.\n"); */
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/* exit(1); */
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/* } */
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/* curl_global_init(CURL_GLOBAL_ALL); */
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/* CURL *curl = curl_easy_init(); */
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/* if (curl == NULL) { */
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/* exit(1); */
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/* } */
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/* curl_easy_setopt(curl, CURLOPT_URL, "http://localhost:18080/f/"); */
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/* curl_easy_setopt(curl, CURLOPT_UPLOAD, 1L); */
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/* curl_easy_setopt(curl, CURLOPT_READDATA, f); */
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/* curl_off_t file_size = sb.st_size; */
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/* /1* curl_easy_setopt(curl, CURLOPT_INFILESIZE_LARGE, file_size); *1/ */
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/* curl_easy_setopt(curl, CURLOPT_POST, 1L); */
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/* curl_easy_setopt(curl, CURLOPT_POSTFIELDSIZE_LARGE, file_size); */
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/* magic_t cookie = magic_open(MAGIC_MIME_TYPE); */
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/* magic_load(cookie, NULL); */
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/* const char *mime_type = magic_file(cookie, argv[1]); */
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/* char content_type_header[strlen(mime_type) + 24]; */
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/* sprintf(content_type_header, "X-Lander-Content-Type: %s", mime_type); */
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/* char content_length_header[32]; */
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/* sprintf(content_length_header, "Content-Length: %lu", sb.st_size); */
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/* struct curl_slist *list = NULL; */
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/* list = curl_slist_append(list, content_type_header); */
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/* list = curl_slist_append(list, content_length_header); */
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/* list = curl_slist_append(list, "X-Api-Key: test"); */
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/* curl_easy_setopt(curl, CURLOPT_HTTPHEADER, list); */
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/* curl_easy_setopt(curl, CURLOPT_VERBOSE, 1); */
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/* curl_easy_perform(curl); */
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/* curl_slist_free_all(list); */
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}
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