diff options
Diffstat (limited to 'archive-tar.c')
| -rw-r--r-- | archive-tar.c | 30 |
1 files changed, 15 insertions, 15 deletions
diff --git a/archive-tar.c b/archive-tar.c index 0d1e6bd754..cb99df2814 100644 --- a/archive-tar.c +++ b/archive-tar.c @@ -167,21 +167,21 @@ static void prepare_header(struct archiver_args *args, struct ustar_header *header, unsigned int mode, unsigned long size) { - sprintf(header->mode, "%07o", mode & 07777); - sprintf(header->size, "%011lo", S_ISREG(mode) ? size : 0); - sprintf(header->mtime, "%011lo", (unsigned long) args->time); + xsnprintf(header->mode, sizeof(header->mode), "%07o", mode & 07777); + xsnprintf(header->size, sizeof(header->size), "%011lo", S_ISREG(mode) ? size : 0); + xsnprintf(header->mtime, sizeof(header->mtime), "%011lo", (unsigned long) args->time); - sprintf(header->uid, "%07o", 0); - sprintf(header->gid, "%07o", 0); + xsnprintf(header->uid, sizeof(header->uid), "%07o", 0); + xsnprintf(header->gid, sizeof(header->gid), "%07o", 0); strlcpy(header->uname, "root", sizeof(header->uname)); strlcpy(header->gname, "root", sizeof(header->gname)); - sprintf(header->devmajor, "%07o", 0); - sprintf(header->devminor, "%07o", 0); + xsnprintf(header->devmajor, sizeof(header->devmajor), "%07o", 0); + xsnprintf(header->devminor, sizeof(header->devminor), "%07o", 0); memcpy(header->magic, "ustar", 6); memcpy(header->version, "00", 2); - sprintf(header->chksum, "%07o", ustar_header_chksum(header)); + xsnprintf(header->chksum, sizeof(header->chksum), "%07o", ustar_header_chksum(header)); } static int write_extended_header(struct archiver_args *args, @@ -193,7 +193,7 @@ static int write_extended_header(struct archiver_args *args, memset(&header, 0, sizeof(header)); *header.typeflag = TYPEFLAG_EXT_HEADER; mode = 0100666; - sprintf(header.name, "%s.paxheader", sha1_to_hex(sha1)); + xsnprintf(header.name, sizeof(header.name), "%s.paxheader", sha1_to_hex(sha1)); prepare_header(args, &header, mode, size); write_blocked(&header, sizeof(header)); write_blocked(buffer, size); @@ -233,10 +233,10 @@ static int write_tar_entry(struct archiver_args *args, size_t rest = pathlen - plen - 1; if (plen > 0 && rest <= sizeof(header.name)) { memcpy(header.prefix, path, plen); - memcpy(header.name, path + plen + 1, rest); + memcpy(header.name, path + plen + 1, rest); } else { - sprintf(header.name, "%s.data", - sha1_to_hex(sha1)); + xsnprintf(header.name, sizeof(header.name), "%s.data", + sha1_to_hex(sha1)); strbuf_append_ext_header(&ext_header, "path", path, pathlen); } @@ -259,8 +259,8 @@ static int write_tar_entry(struct archiver_args *args, if (S_ISLNK(mode)) { if (size > sizeof(header.linkname)) { - sprintf(header.linkname, "see %s.paxheader", - sha1_to_hex(sha1)); + xsnprintf(header.linkname, sizeof(header.linkname), + "see %s.paxheader", sha1_to_hex(sha1)); strbuf_append_ext_header(&ext_header, "linkpath", buffer, size); } else @@ -301,7 +301,7 @@ static int write_global_extended_header(struct archiver_args *args) memset(&header, 0, sizeof(header)); *header.typeflag = TYPEFLAG_GLOBAL_HEADER; mode = 0100666; - strcpy(header.name, "pax_global_header"); + xsnprintf(header.name, sizeof(header.name), "pax_global_header"); prepare_header(args, &header, mode, ext_header.len); write_blocked(&header, sizeof(header)); write_blocked(ext_header.buf, ext_header.len); |