diff options
| -rw-r--r-- | .gitignore | 1 | ||||
| -rw-r--r-- | Makefile | 8 | ||||
| -rw-r--r-- | shorten.c | 37 |
3 files changed, 45 insertions, 1 deletions
@@ -4,3 +4,4 @@ uriescape urimatch uriunescape urijoin +shorten @@ -2,7 +2,10 @@ CFLAGS:=-std=c11 -pedantic -Wall PREFIX:=/usr/local CC:=gcc -all: urimatch uricut urijoin uricmp uriunescape uriescape +all: urimatch uricut urijoin uricmp uriunescape uriescape shorten + +shorten: LDFLAGS=-lcrypto +shorten: shorten.c urimatch: urimatch.c uri.h @@ -37,3 +40,6 @@ install: all install -t $(PREFIX)/bin copy_start_nevermind.sh install -t $(PREFIX)/bin choose install -t $(PREFIX)/bin query_param + install -t $(PREFIX)/bin shorten + chgrp shorten $(PREFIX)/bin/shorten + chmod g+s $(PREFIX)/bin/shorten diff --git a/shorten.c b/shorten.c new file mode 100644 index 0000000..ac76d84 --- /dev/null +++ b/shorten.c @@ -0,0 +1,37 @@ +#define _POSIX_C_SOURCE 200908 +#include <stdio.h> +#include <sys/stat.h> +#include <openssl/md5.h> +#include <string.h> +//#include <sys/types.h> +#include <sys/xattr.h> + +#define BYTES_IN_SHORT 2 +#define CACHE_DIR "/var/cache/shorten" + +int main(int argc,char *argv[]) { + int i; + if(argc < 2) return 1; + unsigned char *p=MD5((unsigned char *)argv[1],strlen(argv[1]),NULL); + char filepath[4096];//too long, oh well + char out[256]; + char tmp[3]; + strcpy(out,""); + for(i=0;i<BYTES_IN_SHORT;i++) { + snprintf(tmp,sizeof(tmp),"%02x",p[i]); + strcat(out,tmp); + } + printf("%s\n",out); + snprintf(filepath,sizeof(filepath)-1,"%s/%s",CACHE_DIR,out); + FILE *fp; + if((fp=fopen(filepath,"w")) == NULL) { + fprintf(stderr,"shorten: failed to write a file: %s\n",filepath); + return 1; + } + fprintf(fp,"%s\n",argv[1]); + //disabled for now because tmpfs can't do extended attributes + //fprintf(stderr,"fsetxattr return: %d\n",fsetxattr(fileno(fp),"user.mime-type","text/uri-list",strlen("text/uri-list"),0)); + //perror("fsetxattr"); + fchmod(fileno(fp),0664); + fclose(fp); +} |