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the library. If this is what you want to do, use the GNU Lesser General
Public License instead of this License. But first, please read
<https://www.gnu.org/licenses/why-not-lgpl.html>.

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# note that this file does not properly handle options
SRC := api.c irc.c main.c parse.c unity.c
HDR := api.h error.h irc.h irccolors.h parse.h stmt.h
DEBUG := 1
probotic: $(SRC) $(HDR)
DEBUG=$(DEBUG) ./build.sh
# do nothing but update them...
$(SRC) $(HDR):

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* Probotic
Healthy for your coding ability, take once weekly, excessive doses
may result in arthritis, ass pain, and death.
Only for real chads, goto irc.rizon.net/#/g/chad for first-hand
enjoyment of the one and only probotic and to yell at the developers.
* Description
This bot will let you be delagated with challenges at dates within
it's database, this can all be done via the IRC interface.
See doc/api.md for detailed information about this interface.
* Building and Installation
First, you'll want specify your server and channel as well as bot username
and a password. This can be done either with command-line options or in a
specified credentials file. See docs/cli.txt for more information on that.
This'll require a few libraries:
libircclient-dev libsqlite3-dev build-essentials
You may then install the successful build, this'll naturally construct
a user, a database and a installation within this user's profile. You
may enact this by running ./install.sh under root, please view this
script and it's subscript ./bootstrap/boostrap.sh before running either.
* License
Copyright 2023 anon, fa11_1eaf, Emil
Probotic is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License version 3 only as
published by the Free Software Foundation.
Probotic 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 version 3 for more details.
You should have received a copy of the GNU General Public License
version 3 along with Probotic.

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#!/bin/sh
DBFILE=probotic_data.sqlite
rm -f "$DBFILE"
sqlite3 "$DBFILE" -init bootstrap.sql -line '.quit'

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.read init.sql
.read defaults.sql
.read project_list.sql

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INSERT INTO difficulty VALUES('Easy');
INSERT INTO difficulty VALUES('Medium');
INSERT INTO difficulty VALUES('Hard');
INSERT INTO difficulty VALUES('Fuck You');
INSERT INTO tag VALUES('AI');
INSERT INTO tag VALUES('Algorithms');
INSERT INTO tag VALUES('Games');
INSERT INTO tag VALUES('Math');
INSERT INTO tag VALUES('Networking');
INSERT INTO tag VALUES('Rendering');
INSERT INTO tag VALUES('Simulation');
INSERT INTO tag VALUES('Tools');
-- I believe the list of links might be better suited as a detacted part of this
-- I also have no idea how this would format this internally
-- Does SQL would support 'a' 'b' concat syntax? as in C's puts("abc" "def")?
INSERT INTO project (title, body) VALUES (
'IRC Bot',
'Build an IRC Bot using SQLite3 and libircclient\nhttps://www.sqlite.org/index.html\n
http://www.ulduzsoft.com/libircclient/'
);
INSERT INTO assignment (who, project) VALUES (
'#/g/chad',
1
);

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DROP TABLE IF EXISTS project;
CREATE TABLE project (
title VARCHAR(64) NOT NULL,
body TEXT DEFAULT NULL,
difficulty INT NOT NULL DEFAULT 1 REFERENCES difficulty(diff),
trigger_date DATE DEFAULT NULL,
started DATE NOT NULL DEFAULT CURRENT_DATE,
span INT NOT NULL DEFAULT 7 -- time to last for in days
);
DROP TABLE IF EXISTS difficulty;
CREATE TABLE difficulty (
diff VARCHAR(16)
);
DROP TABLE IF EXISTS tag;
CREATE TABLE tag (
t VARCHAR(16)
);
DROP TABLE IF EXISTS project_tag;
CREATE TABLE project_tag (
project INT REFERENCES project(rowid),
tag INT REFERENCES tag(rowid)
);
DROP TABLE IF EXISTS assignment;
CREATE TABLE assignment (
who VARCHAR(32) NOT NULL,
repo_link VARCHAR(128) DEFAULT NULL,
project INT NOT NULL REFERENCES project(rowid)
);

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-- Starting off:
INSERT INTO project (title, difficulty, span) VALUES ('Hello world', 1, 1);
INSERT INTO project (title, difficulty, span) VALUES ('Fizz Buzz', 1, 1);
INSERT INTO project (title, difficulty, span) VALUES ('Data Structures (Stacks, Heaps, Binary Trees, etc)', 2, 7);
-- AI:
INSERT INTO project (title, difficulty, span) VALUES ('Neural Network', 2, 7);
INSERT INTO project (title, difficulty, span) VALUES ('Tensorflow Clone', 3, 30);
-- Algorithms:
INSERT INTO project (title, difficulty, span) VALUES ('Custom Allocator', 2, 1);
INSERT INTO project (title, difficulty, span) VALUES ('Custom Compression Library', 2, 1);
INSERT INTO project (title, difficulty, span) VALUES ('ROT 13, ROT 47, ROT with any series', 1, 1);
INSERT INTO project (title, difficulty, span) VALUES ('Vectorized SIMD Matrix Multiplier', 3, 7);
INSERT INTO project (title, difficulty, span) VALUES ('Printf Suite Implementation', 2, 7);
INSERT INTO project (title, difficulty, span) VALUES ('String Manipulation Library', 1, 1);
INSERT INTO project (title, difficulty, span) VALUES ('Pathfinding: Dijkstra''s Algorithm', 2, 1);
INSERT INTO project (title, difficulty, span) VALUES ('Pathfinding: A* Search Algorithm', 2, 1);
-- Applied Math and Problems:
INSERT INTO project (title, difficulty, span) VALUES ('General Lambert''s-Problem Solver', 0, 7);
INSERT INTO project (title, difficulty, span) VALUES ('Solution to the 8 Queens Problem', 3, 7);
-- Calculators:
INSERT INTO project (title, difficulty, span) VALUES ('Graphing Calculator', 3, 30);
INSERT INTO project (title, difficulty, span) VALUES ('Normal Calculator', 1, 7);
INSERT INTO project (title, difficulty, span) VALUES ('Reverse Polish Notation Calculator (Look into dc(1))', 1, 7);
INSERT INTO project (title, difficulty, span) VALUES ('Spreadsheet (CSV Read/write) (With Excel features)', 2, 7);
-- Compiler (Or Interpreter) Theory:
INSERT INTO project (title, difficulty, span) VALUES ('C Compiler', 3, 30);
INSERT INTO project (title, difficulty, span) VALUES ('Holy C Compiler', 3, 21);
INSERT INTO project (title, difficulty, span) VALUES ('Scheme/Lisp Compiler', 3, 7);
INSERT INTO project (title, difficulty, span) VALUES ('Language Virtual Machine', 4, 365);
INSERT INTO project (title, difficulty, span) VALUES ('Custom LLVM Language', 1, 7);
INSERT INTO project (title, difficulty, span) VALUES ('YACC Implementation', 2, 30);
-- Networking:
INSERT INTO project (title, difficulty, span, body) VALUES ('E2EE PSK Messenger (either GUI or CLI, preferably detached from servers)', 5, 7, 'E2EE PSK Messenger (either GUI or CLI, preferably detached from servers)');
INSERT INTO project (title, difficulty, span) VALUES ('HTTP Web Server', 5, 7);
INSERT INTO project (title, difficulty, span) VALUES ('IRC Client', 2, 30);
INSERT INTO project (title, difficulty, span) VALUES ('Matrix Client', 2, 30);
INSERT INTO project (title, difficulty, span) VALUES ('BitTorrent Client', 2, 30);
-- OS:
INSERT INTO project (title, difficulty, span, body) VALUES ('Your own Operating system', 4, 30, 'wiki.osdev.org');
-- Rendering:
INSERT INTO project (title, difficulty, span) VALUES ('3D CAD Software', 4, 7);
INSERT INTO project (title, difficulty, span) VALUES ('3D Vertex Editor', 3, 30);
INSERT INTO project (title, difficulty, span) VALUES ('Bitmap Raytracer', 3, 7);
INSERT INTO project (title, difficulty, span) VALUES ('Media Player (Think MPV & VLC)', 3, 30);
INSERT INTO project (title, difficulty, span) VALUES ('Music Player Daemon Implementation', 2, 7);
INSERT INTO project (title, difficulty, span) VALUES ('Image to ASCII (BONUS: Use Unicode or Color)', 2, 7);
-- Simulation:
INSERT INTO project (title, difficulty, span) VALUES ('Hydrodynamics', 2, 7);
INSERT INTO project (title, difficulty, span) VALUES ('Aerodynamics', 2, 7);
INSERT INTO project (title, difficulty, span) VALUES ('Rigid Body Physics', 2, 7);
INSERT INTO project (title, difficulty, span) VALUES ('Voronoi Diagram (HARDMODE: hardware rendering)', 1, 7);
-- Tools (Usable and Applied Algorithms):
INSERT INTO project (title, difficulty, span) VALUES ('Terminal Emulator', 3, 7);
INSERT INTO project (title, difficulty, span) VALUES ('Text Editor', 3, 7);
INSERT INTO project (title, difficulty, span) VALUES ('Syntax Highlighter (preferably for your own editor)', 2, 30);
INSERT INTO project (title, difficulty, span) VALUES ('General Compression Library (Think zlib)', 2, 30);
INSERT INTO project (title, difficulty, span) VALUES ('Multi-Threaded GREP Implementation (BONUS: Highlighting and line numbers)(Hint: use pThread and AIO)', 2, 30);
INSERT INTO project (title, difficulty, span) VALUES ('Vector/Bitmap Image Manipulation Program', 2, 30);

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#!/bin/bash
# Script handling unity builds and options.
DIR=$(dirname $(readlink -f "$0"))
cd $DIR
PROGN=${PROGN:-probotic}
PREFIX=${PREFIX:-$DIR}
CC=${CC-cc}
CFLAGS='-std=c99 -Wall -Wextra -Wpedantic -Wno-unused-function'
CPPFLAGS="-I/usr/include/libircclient/ -Iinclude -D_GNU_SOURCE -DPROGN=\"$PROGN\""
LDFLAGS='-lircclient -lsqlite3'
mkdir -p $PREFIX && echo "Made directory: $PREFIX"
# Bourne shell is evil
if [ ${DEBUG-0} -eq 1 ]
then
CFLAGS=`echo "${CFLAGS} -O0 -ggdb"`
else
CPPFLAGS="${CPPFLAGS} -DNDEBUG"
CFLAGS=`echo "${CFLAGS} -O2 -flto=auto -fomit-frame-pointer -s"`
fi
[ ! -z ${SAN} ] && CFLAGS=`echo "$CFLAGS -fsanitize=$SAN"`
echo "$CC $CFLAGS -pipe $DIR/src/unity.c -o $PREFIX/$PROGN $CPPFLAGS $LDFLAGS"
time $CC $CFLAGS -pipe $DIR/src/unity.c -o $PREFIX/$PROGN $CPPFLAGS $LDFLAGS
echo -e "\nStatus: $?"

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# Syntax
<bot_name>: <command>
# Commands
+ remind : dump current assignment
## Admin
+ reroll : terminate current assignment early and get a new
+ set_repo <link> : set project repository link (to be dumped on remind)
+ raw <sql> : execute raw sql, so add/delete is covered without retarded interfaces
## PM
So random users cant shit up the channel / add support for personal assignments.
+ dump : list all possible projects
+ request : request personal project
+ remind : dump the users current personal assignment

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-server SERVER - The desired server.
-port PORT - Places port number.
-username USERNAME - Specifies the username.
-password PASSW0RD - Sets a password.
-auth FILE - Uses an authorization file.
-help - A message likewise.
-version - Currently nothing.
options before are overwritten, and after take precedence.

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./probotic irc.rizon.net 6667 '#/g/chad' probotic

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[easy] [medi] [hard] [fuck you] -- I'm not entirely sure about: [netlet] [mathlet]
[-day] [-week] [-month] [-year] [-never] To completion
Starting off:
Hello world
Fizz Buzz
Data Structures (Stacks, Heaps, Binary Trees, etc)
AI:
[medi-week] Neural Network
[hard-months] Tensorflow Clone
Algorithms:
[medi-day] Custom Allocator
[medi-day] Custom Compression Library
[easy-day] ROT 13, ROT 47, ROT with any series
[hard-week] Vectorized SIMD Matrix Multiplier
[medi-week] Printf Suite Implementation
[easy-day] String Manipulation Library
[medi-day] Pathfinding: Dijkstra's Algorithm
[medi-day] Pathfinding: A* Search Algorithm
Applied Math and Problems:
[mathlet] General Lambert's-Problem Solver
[hard-week] Solution to the 8 Queens Problem
Calculators:
[hard-month] Graphing Calculator
[easy-week] Normal Calculator
[easy-week] Reverse Polish Notation Calculator (Look into dc(1))
[medi-week] Spreadsheet (CSV Read/write) (With Excel features)
Compiler (Or Interpreter) Theory:
[hard-month] C Compiler
[hard-3weeks] Holy C Compiler
[hard-week] Scheme/Lisp Compiler
[fuck you-year] Language Virtual Machine
[easy-week] Custom LLVM Language
[medi-month] YACC Implementation
Networking:
[netlet] E2EE PSK Messenger (either GUI or CLI, preferably detached from servers)
[netlet] HTTP Web Server
[medi-months] IRC Client
[medi-months] Matrix Client
[medi-months] BitTorrent Client
OS:
wiki.osdev.org
Games:
/g/gedg/
learnopengl.com
libsdl.org
raylib.com
sfml-dev.org (C++ with a C binding)
godotengine.org (C++ game engine, terrible scripting)
Rendering:
[fuck you-forever] 3D CAD Software
[hard-months] 3D Vertex Editor
[hard-weeks] Bitmap Raytracer
[hard-months] Media Player (Think MPV & VLC)
[medi-weeks] Music Player Daemon Implementation
[medi-week] Image to ASCII (BONUS: Use Unicode or Color)
Simulation:
[mathlet] Hydrodynamics
[mathlet] Aerodynamics
[medi-week] Rigid Body Physics
[easy-week] Voronoi Diagram (HARDMODE: hardware rendering)
Tools (Usable and Applied Algorithms):
[hard-week / doctoral-serveral year long] Terminal Emulator
[hard-week] Text Editor
[medi-day] Syntax Highlighter (preferably for your own editor)
[medi-month] General Compression Library (Think zlib)
[medi-weeks] Multi-Threaded GREP Implementation (BONUS: Highlighting and line numbers)(Hint: use pThread and AIO)
[medi-weeks] Vector/Bitmap Image Manipulation Program

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/*--------------------------------------------------------------------------------*/
/* Lines shouldn't be longer than 80 characters, which is this long ^ */

51
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--- Probotic
A IRC Bot that is able to recieve several commands and on a weekly
(or daily, biweekly, monthly) basis will (privately?) declare an
assignment for users to do.
--- Speculations
Internally this suggests that it must handle entries of these projects
that could be preconceived or composed exactly for a given date (what
we're doing.)
This may be done via a simplistic append-only database or a SQL-based
database.
--- Requirements
The bot should support printing at a regular interval or at a given date.
The bot should respect some commands, such as POST, for if someone wishes
to post a project challenge.
The bot should respect an administrator, such that he could POST, and
REMOVE entered items.
Command SEARCH, SINCE and LIST, for regexp searching, entries since a
date (presumably a <from> <to> relationship), and a list all.
The tooling behind the bot should be accessible to do the same sort of
interfacing to recieve a given task at the running of a command (to avoid
having to deal with unix mail, this could be done through a daily check
in a crontab file.)
--- Autism
Formatting is BSD spc2, always bracketed (unless the block is upon another
keyword), overwrap functions and combinators.
--- Example
int /* what I meant by overwrap functions */
main(int argc,
argv * argv)
{
int * somevar = 0 + 1;
if (1 || /* what I meant by overwrap combinators */
*somevar)
{ return 0; }
else /* switch, if, do/while/for, would not be nested within */
{
puts("fruakk");
return 1;
}
}

3
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server=irc.rizon.net
username=probotic
port=6667

9
docs/save_format_idea.txt Normal file
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2023-08-02 - Week 1 - The Challenge Bot
Contribute to the bot!
END
2023-08-09 - Week 2 - dunno...
\END or EOF

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#ifndef API_H_
VARDECL char const * db;
DECL int api_init(void);
DECL void api_rope(void);
DECL void rope(void);
DECL char * remind(char * who);
DECL char * raw(char const * const sql);
DECL int is_no_assignment(char const * const who);
#define API_H_
#endif

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#ifndef ERROR_H_
#include <stdio.h>
#define ERR(ret,msg) \
do { fputs(PROGN ": " msg "\n", stderr); return (ret); } while (0)
#define ERRFMT(ret,fmt,...) \
do { fprintf(stderr, PROGN ": " fmt "\n", __VA_ARGS__); return (ret); } while (0)
#define PERROR(ret) \
do { perror(PROGN); return (ret); } while (0)
#define ERRMSG(msg) \
fputs(msg "\n", stderr)
#define DB_ERROR 100
#define IRC_ERROR 200
#define CREDS_ERROR 300
#define ERROR_H_
#endif

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#ifndef FREE_H_
#define FREE(obj) \
do \
{ \
free(obj); \
(obj) = NULL; \
} while (0)
#define FULL_FREE(obj) \
do \
{ \
if ((obj)) \
{ \
memset((obj), '\0', strlen((obj))); \
FREE((obj)); \
} \
} while (0)
#define FREE_H_
#endif

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#ifndef HELP_H_
/* (((git))) */
VARDECL char const * help_msg;
VARDECL char const * fmsg;
#define HELP_H_
#endif

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#ifndef IRC_H_
#include <libircclient.h>
#include "parse.h"
VARDECL irc_session_t * session;
VARDECL irc_callbacks_t callbacks;
VARDECL char * current_username;
DECL int init(void);
#define IRC_H_
#endif

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#ifndef IRCCOLOR_H_
// Formatting macros
#define IRC_BOLD "[B]"
#define IRC_ITALIC "[I]"
#define IRC_UNDERLINE "[U]"
// Color macros
#define IRC_BLACK "[COLOR=BLACK]"
#define IRC_DARKBLUE "[COLOR=DARKBLUE]"
#define IRC_DARKGREEN "[COLOR=DARKGREEN]"
#define IRC_RED "[COLOR=RED]"
#define IRC_BROWN "[COLOR=BROWN]"
#define IRC_PURPLE "[COLOR=PURPLE]"
#define IRC_OLIVE "[COLOR=OLIVE]"
#define IRC_YELLOW "[COLOR=YELLOW]"
#define IRC_GREEN "[COLOR=GREEN]"
#define IRC_TEAL "[COLOR=TEAL]"
#define IRC_CYAN "[COLOR=CYAN]"
#define IRC_BLUE "[COLOR=BLUE]"
#define IRC_MAGENTA "[COLOR=MAGENTA]"
#define IRC_DARKGRAY "[COLOR=DARKGRAY]"
#define IRC_LIGHTGRAY "[COLOR=LIGHTGRAY]"
#define IRC_STOP "[/COLOR]"
#define IRCCOLOR_H_
#endif

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#ifndef CREDS_PARSER_H
typedef struct
{
size_t admin_count;
char * username;
char * password;
char * channel;
char * server;
char ** admins;
int port;
} creds_t;
VARDECL creds_t creds;
DECL char ** str_split(char const * s, char c);
DECL void split_clean(char ** split);
DECL char * dump(void);
DECL char * raw(char const * const sql);
DECL char * remind(char * who);
DECL char * slurp(char const * fn);
DECL int is_admin(char const * user);
DECL int parse_pair(char const * buf, size_t const len);
DECL void creds_free_password(void);
DECL void creds_free_rest(void);
DECL void parse_command(char const * const cmd);
DECL void purge_assignments(char const * const who);
DECL void random_assign(char const * const sql);
DECL void set_repo(char const * const who, char const * const link);
#define CREDS_PARSER_H
#endif

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#!/bin/sh
DIR=$(dirname $(readlink -f "$0"))
cd $DIR
[ ! -e $DIR/probotic ] && echo "You should run './build.sh' before this script." \
&& return 1
# run bootstrapper
[ ! -e $DIR/bootstrap/ ] && $DIR/bootstrap/bootstrap.sh || return 1
# generate directories and install
TARGET=${TARGET-/opt/probotic}
useradd probotic -r -s /sbin/nologin -d $TARGET
mkdir -p $TARGET
install -g probotic -o probotic -m 744 \
$DIR/bootstrap/probotic_data.sqlite probotic -v $TARGET
chown probotic:probotic $TARGET -R

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#define DBFILE "probotic_data.sqlite"
#define stmt_prepare(stmt) \
sqlite3_prepare_v2(connection, stmt ## _template, -1, &stmt, NULL)
VARDECL char const * db = DBFILE;
VARDECL sqlite3 * connection = NULL;
DECL void DBERR(const int l){
if(l != SQLITE_OK && l != SQLITE_ROW && l != SQLITE_DONE)
{
fprintf(stderr,
"sqlite (%d): %s\n",
sqlite3_errcode(connection), sqlite3_errmsg(connection));
exit(DB_ERROR);
}
}
DECL int
api_init(void)
{
DBERR(sqlite3_open_v2(db, &connection, SQLITE_OPEN_READWRITE, NULL));
// dont you fucking dare to remove this spacing
DBERR(stmt_prepare(remind_stmt));
DBERR(stmt_prepare(set_repo_stmt));
DBERR(stmt_prepare(get_nth_id_stmt));
DBERR(stmt_prepare(new_assignment_stmt));
DBERR(stmt_prepare(purge_assignments_stmt));
DBERR(stmt_prepare(is_no_assignment_stmt));
return 0;
}
DECL void
api_rope(void)
{
DBERR(sqlite3_finalize(remind_stmt));
DBERR(sqlite3_finalize(set_repo_stmt));
DBERR(sqlite3_finalize(get_nth_id_stmt));
DBERR(sqlite3_finalize(new_assignment_stmt));
DBERR(sqlite3_finalize(purge_assignments_stmt));
DBERR(sqlite3_finalize(is_no_assignment_stmt));
sqlite3_close(connection);
}
DECL void
rope(void)
{
if (session)
{ irc_destroy_session(session); }
api_rope();
}
DECL char *
remind(char * who)
{
char * r;
char * title;
char * desc;
char * repo;
DBERR(sqlite3_reset(remind_stmt));
DBERR(sqlite3_bind_text(remind_stmt, 1, who, -1, SQLITE_STATIC));
const int i = sqlite3_step(remind_stmt);
DBERR(i);
if (i == SQLITE_ROW)
{
title = (char *) sqlite3_column_text(remind_stmt, 0);
title = strdup(title);
desc = (char *) sqlite3_column_text(remind_stmt, 1);
if (desc) { desc = strdup(desc); } else { desc = ""; }
repo = (char *) sqlite3_column_text(remind_stmt, 3);
if (repo) { repo = strdup(repo); } else { repo = "<no link available>"; }
asprintf(&r,
IRC_RED "%s: " IRC_YELLOW "%s" IRC_GREEN
" (@" IRC_BLUE "%s" IRC_GREEN ")" IRC_STOP,
title, desc, repo);
}
else
{
r = strdup(IRC_RED "No current assignment." IRC_STOP);
}
return r;
}
DECL void
set_repo(char const * const who,
char const * const link)
{
DBERR(sqlite3_reset(set_repo_stmt));
DBERR(sqlite3_bind_text(set_repo_stmt, 1, link, -1, SQLITE_STATIC));
DBERR(sqlite3_bind_text(set_repo_stmt, 2, who, -1, SQLITE_STATIC));
DBERR(sqlite3_step(set_repo_stmt));
}
DECL int
rtos(void * data,
int argc,
char** argv,
char** colname
){
(void) colname;
char ** r = (char**)data;
size_t data_len = 0;
for(int i = 0; i < argc; i++)
{
if(argv[i])
{
data_len += strlen(argv[i]);
}
else
{
/* strlen("NULL") == 4 */
data_len += 4;
}
/* strlen("|") * 2 == 2 */
data_len += 2;
}
++data_len;
*r = (char *)calloc(data_len, sizeof(char));
for(int i = 0; i < argc; i++){
strcat(*r, "|");
if(argv[i]){
strcat(*r, argv[i]);
}
else
{
strcat(*r, "NULL");
}
}
strcat(*r, "|\n");
return 0;
}
DECL char *
dump()
{
char* errmsg;
char* r = NULL;
DBERR(sqlite3_exec(connection, dump_stmt, rtos, &r, &errmsg));
return r;
}
DECL char *
raw(char const * const sql)
{
char* errmsg;
char *r = NULL;
sqlite3_exec(connection, sql, rtos, &r, &errmsg);
if (errmsg){
free(r);
r = errmsg;
} else { strcat(r, "\00"); }
return r;
}
DECL int
get_project_count_callback(void* data, int argc, char** argv, char** colname)
{
(void)argc;
(void)colname;
int* count = (int*)data;
*count = atoi(argv[0]);
return 0;
}
DECL int
get_project_count()
{
int r = 0;
char const * sql = "SELECT COUNT(*) FROM project;";
DBERR(sqlite3_exec(connection, sql, get_project_count_callback, &r, NULL));
return r;
}
DECL int
get_nth_id(const int i)
{
int r;
DBERR(sqlite3_reset(get_nth_id_stmt));
DBERR(sqlite3_bind_int(get_nth_id_stmt, 1, i));
DBERR(sqlite3_step(get_nth_id_stmt));
r = sqlite3_column_int(get_nth_id_stmt, 0);
return r;
}
DECL void
new_assignment(char const * const who, const int project)
{
DBERR(sqlite3_reset(new_assignment_stmt));
DBERR(sqlite3_bind_text(new_assignment_stmt, 1, who, -1, SQLITE_STATIC));
DBERR(sqlite3_bind_int(new_assignment_stmt, 2, project));
DBERR(sqlite3_step(new_assignment_stmt));
}
DECL void
random_assign(char const * const who)
{
int i = rand() % get_project_count();
i = get_nth_id(i);
new_assignment(who, i);
}
DECL void
purge_assignments(char const * const who)
{
DBERR(sqlite3_reset(purge_assignments_stmt));
DBERR(sqlite3_bind_text(purge_assignments_stmt, 1, who, -1, SQLITE_STATIC));
DBERR(sqlite3_step(purge_assignments_stmt));
}
DECL int
is_no_assignment(char const * const who){
DBERR(sqlite3_reset(is_no_assignment_stmt));
DBERR(sqlite3_bind_text(is_no_assignment_stmt, 1, who, -1, SQLITE_STATIC));
const int e = sqlite3_step(is_no_assignment_stmt);
DBERR(e);
return (e == SQLITE_DONE);
}

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/* irc.c - IRC interface
Probotic is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License version 3 only as
published by the Free Software Foundation.
Probotic 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 version 3 for more details.
You should have received a copy of the GNU General Public License
version 3 along with Probotic.
*/
VARDECL char const * help_msg =
IRC_GREEN "!help " IRC_STOP " : This message\n"
IRC_GREEN "!remind " IRC_STOP " : Dump current assignment\n"
IRC_GREEN "!reroll " IRC_STOP " : Rerolls assignment\n"
IRC_GREEN "!set_repo <link>" IRC_STOP " : Sets project repository link\n"
IRC_GREEN "!raw <sql> " IRC_STOP " : Execute raw SQL\n"
IRC_GREEN "!dump " IRC_STOP " : List all possible projects\n"
IRC_GREEN "!request " IRC_STOP " : Request personal project\n"
IRC_GREEN "!remind " IRC_STOP " : Prints your assignment\n";
VARDECL char const * fmsg =
"%s\x2C\x20\x79\x6F\x75\x20\x61\x72\x65\x20\x66\x61\x67\x67"
"\x6F\x74\x20\x66\x6F\x72\x20\x74\x68\x61\x74\x20\x6F\x70"
"\x69\x6E\x69\x6F\x6E\x2E";
#define PREFIX_COMMAND_CHAR '!'
#define PREFIX_CHANNEL_COMMAND_CHAR '%'
VARDECL irc_session_t * session;
VARDECL irc_callbacks_t callbacks;
VARDECL char * current_username = NULL;
/* Do you have any idea how many things this breaks? */
int stupid_shit = -1;
#define IRCMSG(msg) irc_cmd_msg(session, creds.channel, msg)
DECL char *
get_username(const char * origin)
{
const char USERNAME_TERMINATOR = '!';
int i = 0;
char * r;
while (origin[i] != USERNAME_TERMINATOR)
{ i++; }
r = (char *) malloc(i + 1);
strncpy(r, origin, i);
r[i] = '\00';
return r;
}
DECL void
ircmsg(const char* fmt,
...)
{
if(!strcmp(fmt, "") || fmt == NULL){ return; }
va_list args;
char * fmtdmsg;
char * swp;
va_start(args, fmt);
if(vasprintf(&fmtdmsg, fmt, args) == -1)
{ exit(1); }
puts(fmtdmsg);
const char* delim = "\n";
char* data = strtok(fmtdmsg, delim);
do{
swp = irc_color_convert_to_mirc(data);
IRCMSG(swp);
free(swp);
}while((data = strtok(NULL, delim), data));
free(fmtdmsg);
va_end(args);
}
DECL void
event_connect(irc_session_t * session,
const char * event,
const char * origin,
const char ** params,
unsigned int count)
{
(void) event;
(void) origin;
(void) params;
(void) count;
/* msg ChanServ IDENTIFY? */
irc_cmd_join(session, creds.channel, 0);
if(is_no_assignment(creds.channel)){
ircmsg(IRC_RED "No assignment for this channel. Finding a new..." IRC_STOP);
random_assign(creds.channel);
}
ircmsg(remind(creds.channel));
}
DECL void
event_channel(irc_session_t * session,
char const * event,
char const * origin,
char const ** params,
unsigned int count)
{
/* char const * channel = params[0]; */
char const * message = params[1];
(void) session;
(void) event;
(void) origin;
/* (void) channel; */
(void) message;
(void) count;
/* parses the command */
switch(*message){
case PREFIX_CHANNEL_COMMAND_CHAR:
current_username = strdup(creds.channel);
break;
case PREFIX_COMMAND_CHAR:
current_username = get_username(origin);
break;
}
if(!current_username || *(message+1) == '\00'){ return; }
--stupid_shit;
if(stupid_shit == 0)
{ ircmsg(fmsg, current_username); }
parse_command(message+1);
free(current_username);
current_username = NULL;
}
DECL int
init(void)
{
srand(time(NULL));
if(api_init())
{ ERR(DB_ERROR, "Error initializing database."); }
memset(&callbacks, 0, sizeof(callbacks));
callbacks.event_connect = event_connect;
callbacks.event_channel = event_channel;
session = irc_create_session(&callbacks);
if (!session)
{
ERRMSG("Error creating IRC session");
goto fail;
}
assert(creds.username != NULL);
assert(creds.server != NULL);
irc_connect(session,
creds.server, creds.port, creds.password,
creds.username, creds.username, creds.username);
creds_free_password();
atexit(rope);
return 0;
fail:
creds_free_password();
return 1;
}
DECL int
loop(void)
{
/* We should figure out how the failure happens so we can tell the user that. */
if (irc_run(session) != 0)
{ ERR(1, "Error running IRC session\nPossible issue: bad URL,"
" no network connection, bad port, refused connection."); }
return 0;
}

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/* main.c
Probotic is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License version 3 only as
published by the Free Software Foundation.
Probotic 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 version 3 for more details.
You should have received a copy of the GNU General Public License
version 3 along with Probotic.
*/
#define VERSION_STRING "0.999"
void
help(void)
{
ERRMSG(PROGN ": usage\n"
"-server SERVER - Sets server\n"
"-port PORT - Sets port\n"
"-username USERNAME - Sets username\n"
"-password PASSW0RD - Sets password\n"
"-auth FILE - Use auth file");
}
void
version(void)
{
ERRMSG(PROGN ": " VERSION_STRING);
}
int
main (int argc,
char ** argv)
{
char const * authfile = NULL;
if (argc > 1)
{
char * arg;
char * buf;
while (++argv, --argc)
{
arg = *argv;
if (*arg == '-')
{
++arg;
if (strcmp(arg, "version") == 0)
{ return 0; }
else if (strcmp(arg, "help") == 0)
{ goto help; }
if (argc < 2)
{ goto nop; }
if (strcmp(arg, "db") == 0)
{ db = argv[1]; }
else if (strcmp(arg, "server") == 0)
{ free(creds.server); creds.server = strdup(argv[1]); }
else if (strcmp(arg, "port") == 0)
{ creds.port = atoi(argv[1]); }
else if (strcmp(arg, "channel") == 0)
{ free(creds.channel); creds.channel = strdup(argv[1]); }
else if (strcmp(arg, "username") == 0)
{ free(creds.username); creds.username = strdup(argv[1]); }
else if (strcmp(arg, "password") == 0)
{ free(creds.password); creds.password = strdup(argv[1]); }
else if (strcmp(arg, "auth") == 0)
{
authfile = argv[1];
buf = slurp(authfile);
if (!buf)
{
fprintf(stderr, "file: %s\n", authfile);
PERROR(1);
}
if (parse_pair(buf, strlen(buf)))
{
free(buf);
creds_free_rest();
ERR(CREDS_ERROR, "Cannot parse creds");
}
free(buf);
atexit(creds_free_rest);
}
++argv; --argc;
}
else
{ nop: ERRFMT(1, "Oprand without option '%s'", arg); }
}
}
#ifndef NDEBUG
fprintf(stderr, "-- server:'%s:%d' channel:'%s' username:'%s' pass:%s --\n",
creds.server, creds.port, creds.channel, creds.username,
creds.password);
#endif /* NDEBUG */
if (init())
{ return 1; }
return loop();
help:
help();
return 1;
}

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/* parse.c
Probotic is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License version 3 only as
published by the Free Software Foundation.
Probotic 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 version 3 for more details.
You should have received a copy of the GNU General Public License
version 3 along with Probotic.
*/
#define PARAMS_COUNT 6
enum cred_names_map
{
DATABASE,
USERNAME,
PASSWORD,
CHANNEL,
SERVER,
PORT
};
VARDECL char const * cred_names[] =
{
"database",
"username",
"password",
"channel",
"server",
"port"
};
VARDECL size_t const cred_names_len[] =
{
8,
8,
8,
7,
6,
4,
6
};
VARDECL creds_t creds = {0};
DECL char **
str_split(char const * s, char c)
{
char ** ret = NULL;
size_t i = 0;
size_t current_token_i = 0;
size_t token_start_i = 0;
size_t tokens_q = 0;
/* count tokens */
for (i = 1; s[i]; ++i)
{
/* end of a token*/
if (s[i] == c && s[i - 1] != c)
{ ++tokens_q; }
}
++tokens_q;
ret = (char **)calloc(tokens_q + 1, sizeof(char *));
if (!ret)
{ return ret; }
for (i = 1; s[i]; ++i)
{
if ((s[i + 1] == c || !s[i + 1]) && s[i] != c)
{
/* end of a token*/
ret[current_token_i] = strndup(s + token_start_i, i - token_start_i + 1);
if (!ret[current_token_i])
{
split_clean(ret);
return NULL;
}
++current_token_i;
}
else if (s[i] != c && s[i - 1] == c)
{
/* start of a token */
token_start_i = i;
}
}
/* Signal that the split array is ended (for iteration purposes) */
ret[current_token_i + 1] = NULL;
return ret;
}
DECL void
split_clean(char ** split)
{
while (*split)
{
free(*split);
}
free(split);
}
DECL char *
slurp(char const * fn)
{
size_t len;
char * b;
FILE * fp = fopen(fn, "r");
if (fp)
{
fseek(fp, 0, SEEK_END);
len = ftell(fp);
rewind(fp);
b = malloc(len+2);
if (b)
{
fread(b, 1, len, fp);
b[len+1] = '\0';
}
fclose(fp);
return b;
}
else
{ return NULL; }
}
DECL void
parse_command(char const * cmd)
{
size_t i = 0;
char* msgswp = NULL;
/* size_t len = strlen(cmd); */
/* TODO does not handle commands with leading space,
use custom implemented to-spec isspace implementation */
while (cmd[i] != '\0' &&
cmd[i] != ' ')
{ ++i; }
if (cmd[i] == '\0')
{
/* no arguments */
if (strcmp(cmd, "kill") == 0)
{ exit(1); }
if (strcmp(cmd, "remind") == 0)
{
msgswp = remind(current_username);
ircmsg("%s: %s", current_username, msgswp);
}
/* XXX: maybe no? */
/*else if (strcmp(cmd, "next") == 0) | TODO: implement */
/* { ircmsg("%s: No future assignments", current_username); } */
else if (strcmp(cmd, "help") == 0)
{ ircmsg(help_msg); }
else if (strcmp(cmd, "magic") == 0)
{ stupid_shit = 8 + (rand() % 100); }
else if (strcmp(cmd, "dump") == 0)
{
ircmsg("%s: All projects:", current_username);
msgswp = dump();
ircmsg(msgswp);
}
else if (strcmp(cmd, "reroll") == 0)
{
ircmsg("%s: Rerolling...", current_username);
purge_assignments(current_username);
random_assign(current_username);
ircmsg(remind(current_username));
}
}
else
{
/* some arguments */
char const * const arg = cmd + i + 1;
if (strncmp(cmd, "raw", i) == 0)
{
ircmsg("%s: Executing SQL `%s'.", current_username, arg);
msgswp = raw(arg);
ircmsg(msgswp);
}
else if (strncmp(cmd, "set_repo", i) == 0)
{
ircmsg("%s: Setting project repository...", current_username);
set_repo(creds.channel, arg);
msgswp = remind(creds.channel);
ircmsg("%s: %s", current_username, msgswp);
}
/* XXX: what is this suppose to do? */
else if (strncmp(cmd, "submit", i) == 0) /* TODO: implement */
{
ircmsg("%s: Submitting project link '%s' to <random janny>",
current_username, arg);
}
}
free(msgswp);
}
DECL int
parse_pair(char const * buf, size_t len)
{
size_t i, f, x;
/* fprintf(stderr, "ENT len:%ld buf:%sEOF\n", len, buf); */
for (i = 0; buf[i] &&
i < len; ++i)
{
if (buf[i] == '=')
{
++i;
for (f = 0, x = 0; f < PARAMS_COUNT; ++f)
{
/* fprintf(stderr, "x%ld, i%ld, %s\n", x, i, buf); */
/* X macro for handling this data may be better */
if (strncmp(buf, cred_names[f], cred_names_len[f]) == 0)
{
/* fprintf(stderr, "f%ld:len%ld:%s\n", f, cred_names_len[f], */
/* cred_names[f]); fflush(stderr); */
buf += i;
while (buf[x] != '\0')
{
if (buf[x] == '\n')
{
len -= i; i = 0; break;
}
++x;
}
switch (f)
{
case DATABASE: db = strndup(buf,x); break;
case USERNAME: creds.username = strndup(buf,x); break;
case PASSWORD: creds.password = strndup(buf,x); break;
case CHANNEL: creds.channel = strndup(buf,x); break;
case SERVER: creds.server = strndup(buf,x); break;
case PORT: creds.port = atoi(buf); break;
}
if (x + 2 < len)
{ buf += x + 1; }
else
{ return 1; }
goto next;
}
}
}
next:;
}
return 0;
}
DECL int
is_admin(char const * user)
{
/* No Gods or Kings, Only size_t */
return 1;
}
void
creds_free_password(void)
{
FULL_FREE(creds.password);
}
void
creds_free_rest(void)
{
FULL_FREE(creds.username);
/* FULL_FREE(creds.password); */
FULL_FREE(creds.channel);
FULL_FREE(creds.server);
FREE(creds.admins);
}

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VARDECL sqlite3_stmt * remind_stmt;
VARDECL char const remind_stmt_template[] =
"SELECT "
"title,"
"body,"
"difficulty,"
"repo_link,"
"trigger_date,"
"started DATE,"
"span"
" FROM assignment INNER JOIN project on assignment.project = project.rowid "
"WHERE who = ?;";
VARDECL sqlite3_stmt * set_repo_stmt;
VARDECL char const set_repo_stmt_template[] =
"UPDATE assignment "
"SET "
"repo_link = ? "
"WHERE who = ?;";
VARDECL char const dump_stmt[] =
"SELECT * FROM project;";
VARDECL sqlite3_stmt * get_nth_id_stmt;
VARDECL char const get_nth_id_stmt_template[] =
"SELECT rowid "
"FROM project "
"LIMIT 1 "
"OFFSET ?;";
VARDECL sqlite3_stmt * new_assignment_stmt;
VARDECL char const new_assignment_stmt_template[] =
"INSERT INTO assignment "
"(who, project)"
" VALUES "
"(?, ?);";
VARDECL sqlite3_stmt * purge_assignments_stmt;
VARDECL char const purge_assignments_stmt_template[] =
"DELETE FROM assignment "
"WHERE who = ?;";
VARDECL sqlite3_stmt* is_no_assignment_stmt;
VARDECL const char is_no_assignment_stmt_template[] =
"SELECT * FROM assignment "
"WHERE who = ?;" ;

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#define DECL static
#define VARDECL static
#include <assert.h>
#include <stdio.h>
#include <stdarg.h>
#include <string.h>
#include <time.h>
#include <stdlib.h>
#include <sqlite3.h>
#include "api.h"
#include "error.h"
#include "free.h"
#include "help.h"
#include "irc.h"
#include "irccolors.h"
#include "parse.h"
#include "sql_stmt.c"
#include "irc.c"
#include "parse.c"
#include "api.c"
#include "main.c"

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#!/bin/sh
# doubles as a cleanup script
DIR=$(dirname $(readlink -f "$0"))
cd $DIR
TARGET=${TARGET-/opt/probotic}
userdel probotic
rm -rf $TARGET