1 #include "inihelper.h"

     2 #include "logging.h"

     3 #include "util.h"

     4 

     5 #include <string.h>

     6 #include <stdlib.h>

     7 #include <ctype.h>

     8 #include <limits.h>

     9 #include <errno.h>

    10 #include <stdarg.h>

    11 

    12 static bool keychar_needs_urlencoding(char c) {

    13 	return !isalnum(c);

    14 }

    15 

    16 char *inihelper_urlencode(const char *inbuf) {

    17 	if(!inbuf) {

    18 		return NULL;

    19 	}

    20 	size_t insize = strlen(inbuf);

    21 	if(insize > SIZE_MAX/4) {

    22 		return NULL;

    23 	}

    24 

    25 	char *outbuf = malloc(insize*3+1);

    26 	if(!outbuf) {

    27 		return NULL;

    28 	}

    29 

    30     size_t inpos = 0, outpos = 0;

    31     while(inbuf[inpos]) {

    32         if(!keychar_needs_urlencoding(inbuf[inpos])) {

    33         	outbuf[outpos++] = inbuf[inpos++];

    34         } else {

    35             if(snprintf(outbuf+outpos, 4, "%%%02X", (unsigned)((uint8_t*)inbuf)[inpos])<0) {

    36             	free(outbuf);

    37             	return NULL;

    38             }

    39             inpos++;

    40             outpos += 3;

    41         }

    42     }

    43     outbuf[outpos] = 0;

    44     return outbuf;

    45 }

    46 

    47 char *inihelper_urldecode(const char *inbuf) {

    48 	char *outbuf = malloc(strlen(inbuf)+1);

    49 	if(!outbuf) {

    50 		return NULL;

    51 	}

    52 

    53     size_t inpos = 0, outpos = 0;

    54     while(inbuf[inpos]) {

    55         if(inbuf[inpos] == '%' && isxdigit(inbuf[inpos+1]) && isxdigit(inbuf[inpos+2])) {

    56             char temp[3] = {inbuf[inpos+1],inbuf[inpos+2],0};

    57             outbuf[outpos++] = strtol(temp, NULL, 16);

    58             inpos += 3;

    59         } else {

    60         	outbuf[outpos++] = inbuf[inpos++];

    61         }

    62     }

    63     outbuf[outpos] = 0;

    64     return outbuf;

    65 }

    66 

    67 char *inihelper_createDictKey(const char *sectionName, const char *keyName) {

    68 	if(!sectionName || !keyName) {

    69 		return NULL;

    70 	}

    71 	return flib_asprintf("%s:%s", sectionName, keyName);

    72 }

    73 

    74 char *inihelper_getstring(dictionary *inifile, bool *error, const char *sectionName, const char *keyName) {

    75 	if(!inifile || !sectionName || !keyName) {

    76 		*error = true;

    77 		return NULL;

    78 	}

    79 	char *extendedkey = inihelper_createDictKey(sectionName, keyName);

    80 	if(!extendedkey) {

    81 		*error = true;

    82 		return NULL;

    83 	}

    84 	char *result = iniparser_getstring(inifile, extendedkey, NULL);

    85 	free(extendedkey);

    86 	if(!result) {

    87 		flib_log_i("Missing ini setting: %s/%s", sectionName, keyName);

    88 		*error = true;

    89 	}

    90 	return result;

    91 }

    92 

    93 char *inihelper_getstringdup(dictionary *inifile, bool *error, const char *sectionName, const char *keyName) {

    94 	return flib_strdupnull(inihelper_getstring(inifile, error, sectionName, keyName));

    95 }

    96 

    97 int inihelper_getint(dictionary *inifile, bool *error, const char *sectionName, const char *keyName) {

    98 	char *value = inihelper_getstring(inifile, error, sectionName, keyName);

    99 	if(!value) {

   100 		return 0;

   101 	} else {

   102 		errno = 0;

   103 		long val = strtol(value, NULL, 10);

   104 		if(errno!=0) {

   105 			*error = true;

   106 			return 0;

   107 		}

   108 		if(val<INT_MIN || val>INT_MAX) {

   109 			*error = true;

   110 			return 0;

   111 		}

   112 		return (int)val;

   113 	}

   114 }

   115 

   116 bool inihelper_getbool(dictionary *inifile, bool *error, const char *sectionName, const char *keyName) {

   117 	char *value = inihelper_getstring(inifile, error, sectionName, keyName);

   118 	if(!value) {

   119 		return false;

   120 	} else {

   121 		bool trueval = strchr("1tTyY", value[0]);

   122 		bool falseval = strchr("0fFnN", value[0]);

   123 		if(!trueval && !falseval) {

   124 			*error = true;

   125 			return false;

   126 		} else {

   127 			return trueval;

   128 		}

   129 	}

   130 }

   131 

   132 int inihelper_setstr(dictionary *dict, const char *sectionName, const char *keyName, const char *value) {

   133 	int result = -1;

   134 	if(!dict || !sectionName || !keyName || !value) {

   135 		flib_log_e("inihelper_setstr called with bad parameters");

   136 	} else {

   137 		char *extendedkey = inihelper_createDictKey(sectionName, keyName);

   138 		if(extendedkey) {

   139 			result = iniparser_set(dict, extendedkey, value);

   140 			free(extendedkey);

   141 		}

   142 	}

   143 	return result;

   144 }

   145 

   146 int inihelper_setint(dictionary *dict, const char *sectionName, const char *keyName, int value) {

   147 	int result = -1;

   148 	if(!dict || !sectionName || !keyName) {

   149 		flib_log_e("inihelper_setint called with bad parameters");

   150 	} else {

   151 		char *strvalue = flib_asprintf("%i", value);

   152 		if(strvalue) {

   153 			result = inihelper_setstr(dict, sectionName, keyName, strvalue);

   154 			free(strvalue);

   155 		}

   156 	}

   157 	return result;

   158 }

   159 

   160 int inihelper_setbool(dictionary *dict, const char *sectionName, const char *keyName, bool value) {

   161 	int result = -1;

   162 	if(!dict || !sectionName || !keyName) {

   163 		flib_log_e("inihelper_setint called with bad parameters");

   164 	} else {

   165 		result = inihelper_setstr(dict, sectionName, keyName, value ? "true" : "false");

   166 	}

   167 	return result;

   168 }