From dd3dc684e44cb68d6252c828a7244baf00a6d28b Mon Sep 17 00:00:00 2001 From: lxsang Date: Mon, 29 Feb 2016 22:48:22 +0100 Subject: [PATCH] Add ini support to plugins --- plugins/ini.c | 185 +++++++++++++++++++++++++++++++++++++++++++++++ plugins/ini.h | 77 ++++++++++++++++++++ plugins/plugin.c | 2 +- plugins/plugin.h | 3 +- 4 files changed, 265 insertions(+), 2 deletions(-) create mode 100755 plugins/ini.c create mode 100755 plugins/ini.h diff --git a/plugins/ini.c b/plugins/ini.c new file mode 100755 index 0000000..d29fde4 --- /dev/null +++ b/plugins/ini.c @@ -0,0 +1,185 @@ +/* inih -- simple .INI file parser + +inih is released under the New BSD license (see LICENSE.txt). Go to the project +home page for more info: + +https://github.com/benhoyt/inih + +*/ + +#ifdef _MSC_VER +#define _CRT_SECURE_NO_WARNINGS +#endif + +#include +#include +#include + +#include "ini.h" + +#if !INI_USE_STACK +#include +#endif + +#define MAX_SECTION 50 +#define MAX_NAME 50 + +/* Strip whitespace chars off end of given string, in place. Return s. */ +static char* rstrip(char* s) +{ + char* p = s + strlen(s); + while (p > s && isspace((unsigned char)(*--p))) + *p = '\0'; + return s; +} + +/* Return pointer to first non-whitespace char in given string. */ +static char* lskip(const char* s) +{ + while (*s && isspace((unsigned char)(*s))) + s++; + return (char*)s; +} + +/* Return pointer to first char c or ';' comment in given string, or pointer to + null at end of string if neither found. ';' must be prefixed by a whitespace + character to register as a comment. */ +static char* find_char_or_comment(const char* s, char c) +{ + int was_whitespace = 0; + while (*s && *s != c && !(was_whitespace && *s == ';')) { + was_whitespace = isspace((unsigned char)(*s)); + s++; + } + return (char*)s; +} + +/* Version of strncpy that ensures dest (size bytes) is null-terminated. */ +static char* strncpy0(char* dest, const char* src, size_t size) +{ + strncpy(dest, src, size); + dest[size - 1] = '\0'; + return dest; +} + +/* See documentation in header file. */ +int ini_parse_file(FILE* file, + int (*handler)(void*, const char*, const char*, + const char*), + void* user) +{ + /* Uses a fair bit of stack (use heap instead if you need to) */ +#if INI_USE_STACK + char line[INI_MAX_LINE]; +#else + char* line; +#endif + char section[MAX_SECTION] = ""; + char prev_name[MAX_NAME] = ""; + + char* start; + char* end; + char* name; + char* value; + int lineno = 0; + int error = 0; + +#if !INI_USE_STACK + line = (char*)malloc(INI_MAX_LINE); + if (!line) { + return -2; + } +#endif + + /* Scan through file line by line */ + while (fgets(line, INI_MAX_LINE, file) != NULL) { + lineno++; + + start = line; +#if INI_ALLOW_BOM + if (lineno == 1 && (unsigned char)start[0] == 0xEF && + (unsigned char)start[1] == 0xBB && + (unsigned char)start[2] == 0xBF) { + start += 3; + } +#endif + start = lskip(rstrip(start)); + + if (*start == ';' || *start == '#') { + /* Per Python ConfigParser, allow '#' comments at start of line */ + } +#if INI_ALLOW_MULTILINE + else if (*prev_name && *start && start > line) { + /* Non-black line with leading whitespace, treat as continuation + of previous name's value (as per Python ConfigParser). */ + if (!handler(user, section, prev_name, start) && !error) + error = lineno; + } +#endif + else if (*start == '[') { + /* A "[section]" line */ + end = find_char_or_comment(start + 1, ']'); + if (*end == ']') { + *end = '\0'; + strncpy0(section, start + 1, sizeof(section)); + *prev_name = '\0'; + } + else if (!error) { + /* No ']' found on section line */ + error = lineno; + } + } + else if (*start && *start != ';') { + /* Not a comment, must be a name[=:]value pair */ + end = find_char_or_comment(start, '='); + if (*end != '=') { + end = find_char_or_comment(start, ':'); + } + if (*end == '=' || *end == ':') { + *end = '\0'; + name = rstrip(start); + value = lskip(end + 1); + end = find_char_or_comment(value, '\0'); + if (*end == ';') + *end = '\0'; + rstrip(value); + + /* Valid name[=:]value pair found, call handler */ + strncpy0(prev_name, name, sizeof(prev_name)); + if (!handler(user, section, name, value) && !error) + error = lineno; + } + else if (!error) { + /* No '=' or ':' found on name[=:]value line */ + error = lineno; + } + } + +#if INI_STOP_ON_FIRST_ERROR + if (error) + break; +#endif + } + +#if !INI_USE_STACK + free(line); +#endif + + return error; +} + +/* See documentation in header file. */ +int ini_parse(const char* filename, + int (*handler)(void*, const char*, const char*, const char*), + void* user) +{ + FILE* file; + int error; + + file = fopen(filename, "r"); + if (!file) + return -1; + error = ini_parse_file(file, handler, user); + fclose(file); + return error; +} diff --git a/plugins/ini.h b/plugins/ini.h new file mode 100755 index 0000000..9442bec --- /dev/null +++ b/plugins/ini.h @@ -0,0 +1,77 @@ +/* inih -- simple .INI file parser + +inih is released under the New BSD license (see LICENSE.txt). Go to the project +home page for more info: + +https://github.com/benhoyt/inih + +*/ + +#ifndef __INI_H__ +#define __INI_H__ + +/* Make this header file easier to include in C++ code */ +#ifdef __cplusplus +extern "C" { +#endif + +#include + +/* Parse given INI-style file. May have [section]s, name=value pairs + (whitespace stripped), and comments starting with ';' (semicolon). Section + is "" if name=value pair parsed before any section heading. name:value + pairs are also supported as a concession to Python's ConfigParser. + + For each name=value pair parsed, call handler function with given user + pointer as well as section, name, and value (data only valid for duration + of handler call). Handler should return nonzero on success, zero on error. + + Returns 0 on success, line number of first error on parse error (doesn't + stop on first error), -1 on file open error, or -2 on memory allocation + error (only when INI_USE_STACK is zero). +*/ +int ini_parse(const char* filename, + int (*handler)(void* user, const char* section, + const char* name, const char* value), + void* user); + +/* Same as ini_parse(), but takes a FILE* instead of filename. This doesn't + close the file when it's finished -- the caller must do that. */ +int ini_parse_file(FILE* file, + int (*handler)(void* user, const char* section, + const char* name, const char* value), + void* user); + +/* Nonzero to allow multi-line value parsing, in the style of Python's + ConfigParser. If allowed, ini_parse() will call the handler with the same + name for each subsequent line parsed. */ +#ifndef INI_ALLOW_MULTILINE +#define INI_ALLOW_MULTILINE 1 +#endif + +/* Nonzero to allow a UTF-8 BOM sequence (0xEF 0xBB 0xBF) at the start of + the file. See http://code.google.com/p/inih/issues/detail?id=21 */ +#ifndef INI_ALLOW_BOM +#define INI_ALLOW_BOM 1 +#endif + +/* Nonzero to use stack, zero to use heap (malloc/free). */ +#ifndef INI_USE_STACK +#define INI_USE_STACK 1 +#endif + +/* Stop parsing on first error (default is to keep parsing). */ +#ifndef INI_STOP_ON_FIRST_ERROR +#define INI_STOP_ON_FIRST_ERROR 0 +#endif + +/* Maximum line length for any line in INI file. */ +#ifndef INI_MAX_LINE +#define INI_MAX_LINE 200 +#endif + +#ifdef __cplusplus +} +#endif + +#endif /* __INI_H__ */ diff --git a/plugins/plugin.c b/plugins/plugin.c index f57fd0a..8939d4b 100644 --- a/plugins/plugin.c +++ b/plugins/plugin.c @@ -28,7 +28,7 @@ void header_base(int client) { response(client, "HTTP/1.0 200 OK"); - response(client, "RPI CAR SERVER "); + response(client, __s("Server: %s ", SERVER_NAME)); } void redirect(int client,const char*path) diff --git a/plugins/plugin.h b/plugins/plugin.h index 0f02c5d..c27ab89 100644 --- a/plugins/plugin.h +++ b/plugins/plugin.h @@ -6,8 +6,9 @@ #endif #include "dictionary.h" #include "list.h" +#include "ini.h" - +#define SERVER_NAME "antd" #define IS_POST(method) (strcmp(method,"POST")== 0) #define IS_GET(method) (strcmp(method,"GET")== 0) #define R_STR(d,k) ((char*)dvalue(d,k))