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If fails to download, it will reuse the local copy

stable
Justin Reichardt 2021-08-26 19:07:45 -05:00
parent bba9693138
commit f2a4447bd3
1 changed files with 51 additions and 1 deletions
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52
src/rhosts.c
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@ -259,7 +259,9 @@ int download_libcurl(char *e){
// Download the file
res = curl_easy_perform(curl);
if(res != CURLE_OK){
printf("Failed to download the file %d", res);
printf("Failed to download the file: %d\n", res);
fflush(stdin);
copy_old_download(e);
return 1;
}
curl_easy_cleanup(curl);
@ -283,3 +285,51 @@ int parse_download(char *buff, size_t size, size_t nmemb){
fclose(tmpf);
return nmemb;
}
// Checks the hosts file for a download section matching the url
// then copies it to the tmp file
int copy_old_download(char *url){
FILE *hostsf;
FILE *tmpf;
hostsf = fopen(HOSTSLOCATION, "r");
if (hostsf == NULL){return 1;}
tmpf = fopen(TMPLOCATION,"a");
if (tmpf == NULL){
fclose(hostsf);
return 1;
}
char buff[MAXSTRSIZE] = "";
char search[MAXSTRSIZE] = "# rhosts download - ";
strncat(search,url,MAXSTRSIZE - 21);
char c = '\0';
do{
c = fgetc(hostsf);
while(c != '\n' && c != EOF && strlen(buff) < MAXSTRSIZE){
strncat(buff, &c, 1);
c = fgetc(hostsf);
}
strncat(buff, &c, 1);
if(strncmp(buff,search, strlen(search)) == 0){
printf("Found a local match for %s\n",url);
c = EOF;
}
buff[0] = '\0';
}while(c !=EOF);
do{
do{
c = fgetc(hostsf);
if (c != EOF)
strncat(buff, &c, 1);
} while(c != '\n' && c != EOF && strlen(buff) < MAXSTRSIZE);
if(strncmp(buff,"# rhosts", 8) != 0){
fputs(buff, tmpf);
}
else
c = EOF;
buff[0] = '\0';
}while(c !=EOF);
fclose(hostsf);
fclose(tmpf);
return 0;
}