struct rpm_lead {
unsigned char magic[4];
- u_int8_t major, minor;
- u_int16_t type;
- u_int16_t archnum;
+ uint8_t major, minor;
+ uint16_t type;
+ uint16_t archnum;
char name[66];
- u_int16_t osnum;
- u_int16_t signature_type;
+ uint16_t osnum;
+ uint16_t signature_type;
char reserved[16];
};
struct rpm_header {
char magic[3]; /* 3 byte magic: 0x8e 0xad 0xe8 */
- u_int8_t version; /* 1 byte version number */
- u_int32_t reserved; /* 4 bytes reserved */
- u_int32_t entries; /* Number of entries in header (4 bytes) */
- u_int32_t size; /* Size of store (4 bytes) */
+ uint8_t version; /* 1 byte version number */
+ uint32_t reserved; /* 4 bytes reserved */
+ uint32_t entries; /* Number of entries in header (4 bytes) */
+ uint32_t size; /* Size of store (4 bytes) */
};
-void skip_header(int rpm_fd)
+static void skip_header(int rpm_fd)
{
struct rpm_header header;
- xread_all(rpm_fd, &header, sizeof(struct rpm_header));
+ bb_xread_all(rpm_fd, &header, sizeof(struct rpm_header));
if (strncmp((char *) &header.magic, RPM_HEADER_MAGIC, 3) != 0) {
- error_msg_and_die("Invalid RPM header magic"); /* Invalid magic */
+ bb_error_msg_and_die("Invalid RPM header magic"); /* Invalid magic */
}
if (header.version != 1) {
- error_msg_and_die("Unsupported RPM header version"); /* This program only supports v1 headers */
+ bb_error_msg_and_die("Unsupported RPM header version"); /* This program only supports v1 headers */
}
header.entries = ntohl(header.entries);
header.size = ntohl(header.size);
{
struct rpm_lead lead;
int rpm_fd;
+ unsigned char magic[2];
if (argc == 1) {
- rpm_fd = fileno(stdin);
+ rpm_fd = STDIN_FILENO;
} else {
- rpm_fd = xopen(argv[1], O_RDONLY);
+ rpm_fd = bb_xopen(argv[1], O_RDONLY);
}
- xread_all(rpm_fd, &lead, sizeof(struct rpm_lead));
+ bb_xread_all(rpm_fd, &lead, sizeof(struct rpm_lead));
if (strncmp((char *) &lead.magic, RPM_MAGIC, 4) != 0) {
- error_msg_and_die("Invalid RPM magic"); /* Just check the magic, the rest is irrelevant */
+ bb_error_msg_and_die("Invalid RPM magic"); /* Just check the magic, the rest is irrelevant */
}
/* Skip the signature header */
skip_header(rpm_fd);
- data_align(rpm_fd, lseek(rpm_fd, 0, SEEK_CUR), 8);
+ lseek(rpm_fd, (8 - (lseek(rpm_fd, 0, SEEK_CUR) % 8)) % 8, SEEK_CUR);
/* Skip the main header */
skip_header(rpm_fd);
+ bb_xread_all(rpm_fd, &magic, 2);
+ if ((magic[0] != 0x1f) || (magic[1] != 0x8b)) {
+ bb_error_msg_and_die("Invalid gzip magic");
+ }
+
check_header_gzip(rpm_fd);
- if (inflate(rpm_fd, fileno(stdout)) != 0) {
- error_msg("Error inflating");
+ if (inflate_gunzip(rpm_fd, STDOUT_FILENO) != 0) {
+ bb_error_msg("Error inflating");
}
- check_trailer_gzip(rpm_fd);
close(rpm_fd);