diff options
| -rw-r--r-- | makefile | 2 | ||||
| -rw-r--r-- | musicopy.c | 41 |
2 files changed, 23 insertions, 20 deletions
@@ -1,7 +1,7 @@ CC = gcc LD = gcc RM = rm -f -CFLAGS = -lcwalk -linih +CFLAGS = -lcwalk -linih -lcrypto OBJECTS := $(patsubst %.c,%.o, *.c) @@ -8,6 +8,7 @@ #include <fnmatch.h> #include <wordexp.h> #include <sys/stat.h> +#include <openssl/sha.h> char* music_dir; char* playlist_dir; @@ -128,6 +129,23 @@ void fix_include_exclude(char*** listv, int listc) { } } +void sha1_file(char* path, unsigned char (*hash)[SHA_DIGEST_LENGTH]) { + SHA_CTX ctx; + SHA1_Init(&ctx); + + FILE *file; + file = fopen(path, "rb"); + + char buffer[buffer_size]; + size_t size; + + while ((size = fread(buffer, 1, buffer_size, file))) + SHA1_Update(&ctx, buffer, size); + + fclose(file); + SHA1_Final(*hash, &ctx); +} + bool duplicate(char* source, char* dest) { if (strcmp(existing, "none") == 0) return true; else if (strcmp(existing, "lazy") == 0) return false; @@ -138,7 +156,10 @@ bool duplicate(char* source, char* dest) { return src_st.st_size != dst_st.st_size; } else if (strcmp(existing, "hash") == 0) { - printf("compare hash\n"); + unsigned char src_hash[SHA_DIGEST_LENGTH], dst_hash[SHA_DIGEST_LENGTH]; + sha1_file(source, &src_hash); + sha1_file(dest, &dst_hash); + return memcmp(src_hash, dst_hash, SHA_DIGEST_LENGTH) != 0; } return false; @@ -188,24 +209,6 @@ int dir_callback(const char* path, const struct stat *sb, int tflag) { return 0; } -void print_opts() { - printf("{\n"); - printf(" \"music_dir\": \"%s\",\n", music_dir); - printf(" \"playlist_dir\": \"%s\",\n", playlist_dir); - printf(" \"target_music_dir\": \"%s\",\n", target_music_dir); - printf(" \"target_playlist_dir\": \"%s\",\n", target_playlist_dir); - printf(" \"existing\": \"%s\",\n", existing); - printf(" \"include\": [\n"); - for(int i = 0; i < include_length; i++) - printf(" \"%s\"%c\n", include[i], i+1 == include_length ? ' ' : ','); - printf(" ],\n"); - printf(" \"exclude\": [\n"); - for(int i = 0; i < exclude_length; i++) - printf(" \"%s\"%c\n", exclude[i], i+1 == exclude_length ? ' ' : ','); - printf(" ]\n"); - printf("}\n"); -} - int main() { load_config(); |