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#include <stdlib.h>
#include <stdio.h>
#include <wordexp.h>
#include <string.h>
#include <unistd.h>
#include "config.h"
config_t config = { .SMS_INBOX = "",
.SMS_SENTBOX = "",
.SMS_OUTBOX = "",
.MMS_DIR = "",
.CONTACT_FILENAME = ""};
const char* search_key[]= {"SMS_INBOX", "SMS_SENTBOX", "SMS_OUTBOX", "MMS_DIR", "CONTACT_FILENAME"};
int searchConfigFile(char* configFile) {
// Search a config file.
// First then in the home, then in /etc and finaly in /var.
// In debug mode, this function search in ./fixtures
const char* paths[] = {"/etc/mesmsrc", "/var/spool/sms/mesmsrc"};
FILE* f_canRead = NULL;
char path[256] = "";
#ifdef DEBUG
// If debug, local dir first
getcwd(path, 256);
strcat(path, "/mesmsrc");
f_canRead = fopen(path, "r");
if( f_canRead ) {
fclose(f_canRead);
strcpy(configFile, path);
return 0;
}
getcwd(path, 256);
strcat(path, "/.mesmsrc");
f_canRead = fopen(path, "r");
if( f_canRead ) {
fclose(f_canRead);
strcpy(configFile, path);
return 0;
}
#endif
// Home first
char* home;
struct passwd* pw = getpwuid(getuid());
home = pw->pw_dir;
if( !*home )
home = getenv("HOME");
sprintf(path, "%s/.mesmsrc", home);
f_canRead = fopen(path, "r");
if( f_canRead ) {
fclose(f_canRead);
strcpy(configFile, path);
return 0;
}
for( int i = 0 ; i < sizeof paths / sizeof *paths ; i++) {
f_canRead = fopen(paths[i], "r");
if( f_canRead ) {
fclose(f_canRead);
strcpy(configFile, paths[i]);
return 0;
}
}
#ifdef DEBUG
fprintf(stderr, "No config file found\n");
#endif
return 1;
}
int readConfigFile(void) {
char fileName[256] = "";
if( searchConfigFile(fileName) > 0 ) {
return 1;
}
FILE* file = fopen(fileName, "r");
char line[300] = "";
if( file ) {
while(fgets(line, 300, file) != NULL) {
char* tmp = strrchr(line, '\n');
if( tmp ) *tmp = 0;
int elem = -1;
for( int i = 0 ; i < sizeof search_key / sizeof *search_key ; i++) {
if( strncmp(line, search_key[i], strlen(search_key[i])) == 0 ) {
elem = i;
break;
}
}
if(elem >= 0) {
char* res = NULL;
if(strchr(line, '\"')) {
strtok(line, "\"");
res = strtok(NULL, "\"");
} else if(strchr(line, '=')) {
strtok(line, "=");
res = strtok(NULL, "=");
} else {
continue;
}
char* configProperty = ((char*[]){config.SMS_INBOX, config.SMS_SENTBOX,
config.SMS_OUTBOX, config.MMS_DIR, config.CONTACT_FILENAME})[elem];
int r = 0;
if( !res ) res = "";
if( strlen(res) > 255 ) continue;
wordexp_t p;
r = wordexp(res, &p, 0);
if( r == 0) {
if( p.we_wordc > 0 )
strncpy( configProperty, p.we_wordv[0], 255);
wordfree(&p);
} else {
strncpy( configProperty, res, 255);
}
#ifdef DEBUG
fprintf(stderr, "%s is \"%s\"\n", search_key[elem], configProperty );
#endif
}
}
}
#ifdef DEBUG
else {
fprintf(stderr, "Error reading config file [%s]\n", fileName);
}
#endif
}
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