diff options
| author | Dina K Nimeh <Dina.Nimeh@Sun.Com> | 2008-12-08 16:24:12 -0800 |
|---|---|---|
| committer | Dina K Nimeh <Dina.Nimeh@Sun.Com> | 2008-12-08 16:24:12 -0800 |
| commit | 7d82f0f819f2fde1c321b8ac4ff15e494c5eb4b1 (patch) | |
| tree | b85f9a1b9e0465449f9183491c944bf63ba3e8fa /usr/src/cmd/lofiadm | |
| parent | 14cd9973e77e9bfa1eca7f8e24ff5786853576c5 (diff) | |
| download | illumos-joyent-7d82f0f819f2fde1c321b8ac4ff15e494c5eb4b1.tar.gz | |
PSARC 2007/001 lofi(7d) crypto support
4926125 lofi(7d) should support encrypted block devices
6236948 need userland interface to list crypto algorithms available to kernel consumers
Diffstat (limited to 'usr/src/cmd/lofiadm')
| -rw-r--r-- | usr/src/cmd/lofiadm/Makefile | 7 | ||||
| -rw-r--r-- | usr/src/cmd/lofiadm/main.c | 1212 | ||||
| -rw-r--r-- | usr/src/cmd/lofiadm/utils.c | 7 | ||||
| -rw-r--r-- | usr/src/cmd/lofiadm/utils.h | 7 |
4 files changed, 1056 insertions, 177 deletions
diff --git a/usr/src/cmd/lofiadm/Makefile b/usr/src/cmd/lofiadm/Makefile index a8a4a2b4a1..1899f85fb3 100644 --- a/usr/src/cmd/lofiadm/Makefile +++ b/usr/src/cmd/lofiadm/Makefile @@ -20,11 +20,9 @@ # # # -# Copyright 2007 Sun Microsystems, Inc. All rights reserved. +# Copyright 2008 Sun Microsystems, Inc. All rights reserved. # Use is subject to license terms. # -#pragma ident "%Z%%M% %I% %E% SMI" -# PROG= lofiadm OBJS= main.o utils.o @@ -33,7 +31,8 @@ POFILES= $(OBJS:%.o=%.po) include ../Makefile.cmd -LDLIBS += -ldevinfo +CPPFLAGS += -I $(SRC)/common/crypto +LDLIBS += -ldevinfo -lpkcs11 -lcryptoutil .KEEP_STATE: diff --git a/usr/src/cmd/lofiadm/main.c b/usr/src/cmd/lofiadm/main.c index a73d123221..b01ef37706 100644 --- a/usr/src/cmd/lofiadm/main.c +++ b/usr/src/cmd/lofiadm/main.c @@ -48,21 +48,75 @@ #include <libgen.h> #include <ctype.h> #include <dlfcn.h> +#include <limits.h> +#include <security/cryptoki.h> +#include <cryptoutil.h> +#include <sys/crypto/ioctl.h> +#include <sys/crypto/ioctladmin.h> #include "utils.h" +/* Only need the IV len #defines out of these files, nothing else. */ +#include <aes/aes_impl.h> +#include <des/des_impl.h> +#include <blowfish/blowfish_impl.h> + static const char USAGE[] = - "Usage: %s -a file [ device ]\n" + "Usage: %s -a file [ device ] " + " [-c aes-128-cbc|aes-192-cbc|aes-256-cbc|des3-cbc|blowfish-cbc]" + " [-e] [-k keyfile] [-T [token]:[manuf]:[serial]:key]\n" " %s -d file | device\n" " %s -C [algorithm] [-s segment_size] file\n" " %s -U file\n" " %s [ file | device ]\n"; -static const char *pname; -static int addflag = 0; -static int deleteflag = 0; -static int errflag = 0; -static int compressflag = 0; -static int uncompressflag = 0; +typedef struct token_spec { + char *name; + char *mfr; + char *serno; + char *key; +} token_spec_t; + +typedef struct mech_alias { + char *alias; + CK_MECHANISM_TYPE type; + char *name; /* for ioctl */ + char *iv_name; /* for ioctl */ + size_t iv_len; /* for ioctl */ + iv_method_t iv_type; /* for ioctl */ + size_t min_keysize; /* in bytes */ + size_t max_keysize; /* in bytes */ + token_spec_t *token; + CK_SLOT_ID slot; +} mech_alias_t; + +static mech_alias_t mech_aliases[] = { + /* Preferred one should always be listed first. */ + { "aes-256-cbc", CKM_AES_CBC, "CKM_AES_CBC", "CKM_AES_ECB", AES_IV_LEN, + IVM_ENC_BLKNO, ULONG_MAX, 0L, NULL, (CK_SLOT_ID) -1 }, + { "aes-192-cbc", CKM_AES_CBC, "CKM_AES_CBC", "CKM_AES_ECB", AES_IV_LEN, + IVM_ENC_BLKNO, ULONG_MAX, 0L, NULL, (CK_SLOT_ID) -1 }, + { "aes-128-cbc", CKM_AES_CBC, "CKM_AES_CBC", "CKM_AES_ECB", AES_IV_LEN, + IVM_ENC_BLKNO, ULONG_MAX, 0L, NULL, (CK_SLOT_ID) -1 }, + { "des3-cbc", CKM_DES3_CBC, "CKM_DES3_CBC", "CKM_DES3_ECB", DES_IV_LEN, + IVM_ENC_BLKNO, ULONG_MAX, 0L, NULL, (CK_SLOT_ID)-1 }, + { "blowfish-cbc", CKM_BLOWFISH_CBC, "CKM_BLOWFISH_CBC", + "CKM_BLOWFISH_ECB", BLOWFISH_IV_LEN, IVM_ENC_BLKNO, ULONG_MAX, + 0L, NULL, (CK_SLOT_ID)-1 } + /* + * A cipher without an iv requirement would look like this: + * { "aes-xex", CKM_AES_XEX, "CKM_AES_XEX", NULL, 0, + * IVM_NONE, ULONG_MAX, 0L, NULL, (CK_SLOT_ID)-1 } + */ +}; + +int mech_aliases_count = (sizeof (mech_aliases) / sizeof (mech_alias_t)); + +/* Preferred cipher, if one isn't specified on command line. */ +#define DEFAULT_CIPHER (&mech_aliases[0]) + +#define DEFAULT_CIPHER_NUM 64 /* guess # kernel ciphers available */ +#define DEFAULT_MECHINFO_NUM 16 /* guess # kernel mechs available */ +#define MIN_PASSLEN 8 /* min acceptable passphrase size */ static int gzip_compress(void *src, size_t srclen, void *dst, size_t *destlen, int level); @@ -73,9 +127,9 @@ lofi_compress_info_t lofi_compress_table[LOFI_COMPRESS_FUNCTIONS] = { {NULL, gzip_compress, 9, "gzip-9"} }; +/* For displaying lofi mappings */ #define FORMAT "%-20s %-30s %s\n" -#define NONE "-" -#define COMPRESS "Compressed" + #define COMPRESS_ALGORITHM "gzip" #define COMPRESS_THRESHOLD 2048 #define SEGSIZE 131072 @@ -115,52 +169,11 @@ static int gzip_compress(void *src, size_t srclen, void *dst, return (0); } -/* - * Print the list of all the mappings. Including a header. - */ -static void -print_mappings(int fd) -{ - struct lofi_ioctl li; - int minor; - int maxminor; - char path[MAXPATHLEN]; - char options[MAXPATHLEN]; - - li.li_minor = 0; - if (ioctl(fd, LOFI_GET_MAXMINOR, &li) == -1) { - perror("ioctl"); - exit(E_ERROR); - } - - maxminor = li.li_minor; - - (void) printf(FORMAT, "Block Device", "File", "Options"); - for (minor = 1; minor <= maxminor; minor++) { - li.li_minor = minor; - if (ioctl(fd, LOFI_GET_FILENAME, &li) == -1) { - if (errno == ENXIO) - continue; - perror("ioctl"); - break; - } - (void) snprintf(path, sizeof (path), "/dev/%s/%d", - LOFI_BLOCK_NAME, minor); - if (li.li_algorithm[0] == '\0') - (void) snprintf(options, sizeof (options), "%s", NONE); - else - (void) snprintf(options, sizeof (options), - COMPRESS "(%s)", li.li_algorithm); - - (void) printf(FORMAT, path, li.li_filename, options); - } -} - static void -usage(void) +usage(const char *pname) { - (void) fprintf(stderr, gettext(USAGE), pname, pname, - pname, pname, pname); + (void) fprintf(stderr, gettext(USAGE), pname, pname, pname, + pname, pname); exit(E_USAGE); } @@ -203,7 +216,6 @@ wait_until_dev_complete(int minor) char charpath[MAXPATHLEN]; di_devlink_handle_t hdl; - (void) snprintf(blkpath, sizeof (blkpath), "/dev/%s/%d", LOFI_BLOCK_NAME, minor); (void) snprintf(charpath, sizeof (charpath), "/dev/%s/%d", @@ -224,19 +236,13 @@ wait_until_dev_complete(int minor) * only fail if the caller is non-root. In that case, wait for * link creation via sysevents. */ - cursleep = 0; - while (cursleep < maxsleep) { - if ((stat64(blkpath, &buf) == -1) || - (stat64(charpath, &buf) == -1)) { - (void) sleep(sleeptime); - cursleep += sleeptime; - continue; - } - return; + for (cursleep = 0; cursleep < maxsleep; cursleep += sleeptime) { + if (stat64(blkpath, &buf) == 0 && stat64(charpath, &buf) == 0) + return; + (void) sleep(sleeptime); } /* one last try */ - out: if (stat64(blkpath, &buf) == -1) { die(gettext("%s was not created"), blkpath); @@ -247,48 +253,89 @@ out: } /* + * Map the file and return the minor number the driver picked for the file + * DO NOT use this function if the filename is actually the device name. + */ +static int +lofi_map_file(int lfd, struct lofi_ioctl li, const char *filename) +{ + int minor; + + li.li_minor = 0; + (void) strlcpy(li.li_filename, filename, sizeof (li.li_filename)); + minor = ioctl(lfd, LOFI_MAP_FILE, &li); + if (minor == -1) { + if (errno == ENOTSUP) + warn(gettext("encrypting compressed files is " + "unsupported")); + die(gettext("could not map file %s"), filename); + } + wait_until_dev_complete(minor); + return (minor); +} + +/* * Add a device association. If devicename is NULL, let the driver * pick a device. */ static void add_mapping(int lfd, const char *devicename, const char *filename, - int *minor_created, int suppress) + mech_alias_t *cipher, const char *rkey, size_t rksz) { struct lofi_ioctl li; - int minor; - if (devicename == NULL) { - /* pick one */ - li.li_minor = 0; - (void) strlcpy(li.li_filename, filename, - sizeof (li.li_filename)); - minor = ioctl(lfd, LOFI_MAP_FILE, &li); - if (minor == -1) { - die(gettext("could not map file %s"), filename); + li.li_crypto_enabled = B_FALSE; + if (cipher != NULL) { + /* set up encryption for mapped file */ + li.li_crypto_enabled = B_TRUE; + (void) strlcpy(li.li_cipher, cipher->name, + sizeof (li.li_cipher)); + if (rksz > sizeof (li.li_key)) { + die(gettext("key too large")); } - wait_until_dev_complete(minor); - /* print one picked */ - if (!suppress) - (void) printf("/dev/%s/%d\n", LOFI_BLOCK_NAME, minor); - - /* fill in the minor if needed */ - if (minor_created != NULL) { - *minor_created = minor; + bcopy(rkey, li.li_key, rksz); + li.li_key_len = rksz << 3; /* convert to bits */ + + li.li_iv_type = cipher->iv_type; + li.li_iv_len = cipher->iv_len; /* 0 when no iv needed */ + switch (cipher->iv_type) { + case IVM_ENC_BLKNO: + (void) strlcpy(li.li_iv_cipher, cipher->iv_name, + sizeof (li.li_iv_cipher)); + break; + case IVM_NONE: + /* FALLTHROUGH */ + default: + break; } + } + + if (devicename == NULL) { + int minor; + + /* pick one via the driver */ + minor = lofi_map_file(lfd, li, filename); + /* if mapping succeeds, print the one picked */ + (void) printf("/dev/%s/%d\n", LOFI_BLOCK_NAME, minor); return; } + /* use device we were given */ - minor = name_to_minor(devicename); - if (minor == 0) { + li.li_minor = name_to_minor(devicename); + if (li.li_minor == 0) { die(gettext("malformed device name %s\n"), devicename); } (void) strlcpy(li.li_filename, filename, sizeof (li.li_filename)); - li.li_minor = minor; + + /* if device is already in use li.li_minor won't change */ if (ioctl(lfd, LOFI_MAP_FILE_MINOR, &li) == -1) { + if (errno == ENOTSUP) + warn(gettext("encrypting compressed files is " + "unsupported")); die(gettext("could not map file %s to %s"), filename, devicename); } - wait_until_dev_complete(minor); + wait_until_dev_complete(li.li_minor); } /* @@ -325,6 +372,9 @@ delete_mapping(int lfd, const char *devicename, const char *filename, } } +/* + * Show filename given devicename, or devicename given filename. + */ static void print_one_mapping(int lfd, const char *devicename, const char *filename) { @@ -354,6 +404,762 @@ print_one_mapping(int lfd, const char *devicename, const char *filename) } /* + * Print the list of all the mappings, including a header. + */ +static void +print_mappings(int fd) +{ + struct lofi_ioctl li; + int minor; + int maxminor; + char path[MAXPATHLEN]; + char options[MAXPATHLEN]; + + li.li_minor = 0; + if (ioctl(fd, LOFI_GET_MAXMINOR, &li) == -1) { + die("ioctl"); + } + maxminor = li.li_minor; + + (void) printf(FORMAT, gettext("Block Device"), gettext("File"), + gettext("Options")); + for (minor = 1; minor <= maxminor; minor++) { + li.li_minor = minor; + if (ioctl(fd, LOFI_GET_FILENAME, &li) == -1) { + if (errno == ENXIO) + continue; + warn("ioctl"); + break; + } + (void) snprintf(path, sizeof (path), "/dev/%s/%d", + LOFI_BLOCK_NAME, minor); + /* + * Encrypted lofi and compressed lofi are mutually exclusive. + */ + if (li.li_crypto_enabled) + (void) snprintf(options, sizeof (options), + gettext("Encrypted")); + else if (li.li_algorithm[0] != '\0') + (void) snprintf(options, sizeof (options), + gettext("Compressed(%s)"), li.li_algorithm); + else + (void) snprintf(options, sizeof (options), "-"); + + (void) printf(FORMAT, path, li.li_filename, options); + } +} + +/* + * Verify the cipher selected by user. + */ +static mech_alias_t * +ciph2mech(const char *alias) +{ + int i; + + for (i = 0; i < mech_aliases_count; i++) { + if (strcasecmp(alias, mech_aliases[i].alias) == 0) + return (&mech_aliases[i]); + } + return (NULL); +} + +/* + * Verify user selected cipher is also available in kernel. + * + * While traversing kernel list of mechs, if the cipher is supported in the + * kernel for both encryption and decryption, it also picks up the min/max + * key size. + */ +static boolean_t +kernel_cipher_check(mech_alias_t *cipher) +{ + boolean_t ciph_ok = B_FALSE; + boolean_t iv_ok = B_FALSE; + int i; + int count; + crypto_get_mechanism_list_t *kciphers = NULL; + crypto_get_all_mechanism_info_t *kinfo = NULL; + int fd = -1; + size_t keymin; + size_t keymax; + + /* if cipher doesn't need iv generating mech, bypass that check now */ + if (cipher->iv_name == NULL) + iv_ok = B_TRUE; + + /* allocate some space for the list of kernel ciphers */ + count = DEFAULT_CIPHER_NUM; + kciphers = malloc(sizeof (crypto_get_mechanism_list_t) + + sizeof (crypto_mech_name_t) * (count - 1)); + if (kciphers == NULL) + die(gettext("failed to allocate memory for list of " + "kernel mechanisms")); + kciphers->ml_count = count; + + /* query crypto device to get list of kernel ciphers */ + if ((fd = open("/dev/crypto", O_RDWR)) == -1) { + warn(gettext("failed to open %s"), "/dev/crypto"); + goto kcc_out; + } + + if (ioctl(fd, CRYPTO_GET_MECHANISM_LIST, kciphers) == -1) { + warn(gettext("CRYPTO_GET_MECHANISM_LIST ioctl failed")); + goto kcc_out; + } + + if (kciphers->ml_return_value == CRYPTO_BUFFER_TOO_SMALL) { + count = kciphers->ml_count; + free(kciphers); + kciphers = malloc(sizeof (crypto_get_mechanism_list_t) + + sizeof (crypto_mech_name_t) * (count - 1)); + if (kciphers == NULL) { + warn(gettext("failed to allocate memory for list of " + "kernel mechanisms")); + goto kcc_out; + } + kciphers->ml_count = count; + + if (ioctl(fd, CRYPTO_GET_MECHANISM_LIST, kciphers) == -1) { + warn(gettext("CRYPTO_GET_MECHANISM_LIST ioctl failed")); + goto kcc_out; + } + } + + if (kciphers->ml_return_value != CRYPTO_SUCCESS) { + warn(gettext( + "CRYPTO_GET_MECHANISM_LIST ioctl return value = %d\n"), + kciphers->ml_return_value); + goto kcc_out; + } + + /* + * scan list of kernel ciphers looking for the selected one and if + * it needs an iv generated using another cipher, also look for that + * additional cipher to be used for generating the iv + */ + count = kciphers->ml_count; + for (i = 0; i < count && !(ciph_ok && iv_ok); i++) { + if (!ciph_ok && + strcasecmp(cipher->name, kciphers->ml_list[i]) == 0) + ciph_ok = B_TRUE; + if (!iv_ok && + strcasecmp(cipher->iv_name, kciphers->ml_list[i]) == 0) + iv_ok = B_TRUE; + } + free(kciphers); + kciphers = NULL; + + if (!ciph_ok) + warn(gettext("%s mechanism not supported in kernel\n"), + cipher->name); + if (!iv_ok) + warn(gettext("%s mechanism not supported in kernel\n"), + cipher->iv_name); + + if (ciph_ok) { + /* Get the details about the user selected cipher */ + count = DEFAULT_MECHINFO_NUM; + kinfo = malloc(sizeof (crypto_get_all_mechanism_info_t) + + sizeof (crypto_mechanism_info_t) * (count - 1)); + if (kinfo == NULL) { + warn(gettext("failed to allocate memory for " + "kernel mechanism info")); + goto kcc_out; + } + kinfo->mi_count = count; + (void) strlcpy(kinfo->mi_mechanism_name, cipher->name, + CRYPTO_MAX_MECH_NAME); + + if (ioctl(fd, CRYPTO_GET_ALL_MECHANISM_INFO, kinfo) == -1) { + warn(gettext( + "CRYPTO_GET_ALL_MECHANISM_INFO ioctl failed")); + goto kcc_out; + } + + if (kinfo->mi_return_value == CRYPTO_BUFFER_TOO_SMALL) { + count = kinfo->mi_count; + free(kinfo); + kinfo = malloc( + sizeof (crypto_get_all_mechanism_info_t) + + sizeof (crypto_mechanism_info_t) * (count - 1)); + if (kinfo == NULL) { + warn(gettext("failed to allocate memory for " + "kernel mechanism info")); + goto kcc_out; + } + kinfo->mi_count = count; + (void) strlcpy(kinfo->mi_mechanism_name, cipher->name, + CRYPTO_MAX_MECH_NAME); + + if (ioctl(fd, CRYPTO_GET_ALL_MECHANISM_INFO, kinfo) == + -1) { + warn(gettext("CRYPTO_GET_ALL_MECHANISM_INFO " + "ioctl failed")); + goto kcc_out; + } + } + + if (kinfo->mi_return_value != CRYPTO_SUCCESS) { + warn(gettext("CRYPTO_GET_ALL_MECHANISM_INFO ioctl " + "return value = %d\n"), kinfo->mi_return_value); + goto kcc_out; + } + + /* Set key min and max size */ + count = kinfo->mi_count; + i = 0; + if (i < count) { + keymin = kinfo->mi_list[i].mi_min_key_size; + keymax = kinfo->mi_list[i].mi_max_key_size; + if (kinfo->mi_list[i].mi_keysize_unit & + CRYPTO_KEYSIZE_UNIT_IN_BITS) { + keymin = CRYPTO_BITS2BYTES(keymin); + keymax = CRYPTO_BITS2BYTES(keymax); + + } + cipher->min_keysize = keymin; + cipher->max_keysize = keymax; + } + free(kinfo); + kinfo = NULL; + + if (i == count) { + (void) close(fd); + die(gettext( + "failed to find usable %s kernel mechanism, " + "use \"cryptoadm list -m\" to find available " + "mechanisms\n"), + cipher->name); + } + } + + /* Note: key min/max, unit size, usage for iv cipher are not checked. */ + + return (ciph_ok && iv_ok); + +kcc_out: + if (kinfo != NULL) + free(kinfo); + if (kciphers != NULL) + free(kciphers); + if (fd != -1) + (void) close(fd); + return (B_FALSE); +} + +/* + * Break up token spec into its components (non-destructive) + */ +static token_spec_t * +parsetoken(char *spec) +{ +#define FLD_NAME 0 +#define FLD_MANUF 1 +#define FLD_SERIAL 2 +#define FLD_LABEL 3 +#define NFIELDS 4 +#define nullfield(i) ((field[(i)+1] - field[(i)]) <= 1) +#define copyfield(fld, i) \ + { \ + int n; \ + (fld) = NULL; \ + if ((n = (field[(i)+1] - field[(i)])) > 1) { \ + if (((fld) = malloc(n)) != NULL) { \ + (void) strncpy((fld), field[(i)], n); \ + ((fld))[n - 1] = '\0'; \ + } \ + } \ + } + + int i; + char *field[NFIELDS + 1]; /* +1 to catch extra delimiters */ + token_spec_t *ti = NULL; + + if (spec == NULL) + return (NULL); + + /* + * Correct format is "[name]:[manuf]:[serial]:key". Can't use + * strtok because it treats ":::key" and "key:::" and "key" all + * as the same thing, and we can't have the :s compressed away. + */ + field[0] = spec; + for (i = 1; i < NFIELDS + 1; i++) { + field[i] = strchr(field[i-1], ':'); + if (field[i] == NULL) + break; + field[i]++; + } + if (i < NFIELDS) /* not enough fields */ + return (NULL); + if (field[NFIELDS] != NULL) /* too many fields */ + return (NULL); + field[NFIELDS] = strchr(field[NFIELDS-1], '\0') + 1; + + /* key label can't be empty */ + if (nullfield(FLD_LABEL)) + return (NULL); + + ti = malloc(sizeof (token_spec_t)); + if (ti == NULL) + return (NULL); + + copyfield(ti->name, FLD_NAME); + copyfield(ti->mfr, FLD_MANUF); + copyfield(ti->serno, FLD_SERIAL); + copyfield(ti->key, FLD_LABEL); + + /* + * If token specified and it only contains a key label, then + * search all tokens for the key, otherwise only those with + * matching name, mfr, and serno are used. + */ + /* + * That's how we'd like it to be, however, if only the key label + * is specified, default to using softtoken. It's easier. + */ + if (ti->name == NULL && ti->mfr == NULL && ti->serno == NULL) + ti->name = strdup(pkcs11_default_token()); + return (ti); +} + +/* + * PBE the passphrase into a raw key + */ +static void +getkeyfromuser(mech_alias_t *cipher, char **raw_key, size_t *raw_key_sz) +{ + CK_SESSION_HANDLE sess; + CK_RV rv; + char *pass = NULL; + size_t passlen = 0; + void *salt = NULL; /* don't use NULL, see note on salt below */ + size_t saltlen = 0; + CK_KEY_TYPE ktype; + void *kvalue; + size_t klen; + + /* did init_crypto find a slot that supports this cipher? */ + if (cipher->slot == (CK_SLOT_ID)-1 || cipher->max_keysize == 0) { + rv = CKR_MECHANISM_INVALID; + goto cleanup; + } + + rv = pkcs11_mech2keytype(cipher->type, &ktype); + if (rv != CKR_OK) + goto cleanup; + + /* + * use the passphrase to generate a PBE PKCS#5 secret key and + * retrieve the raw key data to eventually pass it to the kernel; + */ + rv = C_OpenSession(cipher->slot, CKF_SERIAL_SESSION, NULL, NULL, &sess); + if (rv != CKR_OK) + goto cleanup; + + /* get user passphrase with 8 byte minimum */ + if (pkcs11_get_pass(NULL, &pass, &passlen, MIN_PASSLEN, B_TRUE) < 0) { + die(gettext("passphrases do not match\n")); + } + + /* + * salt should not be NULL, or else pkcs11_PasswdToKey() will + * complain about CKR_MECHANISM_PARAM_INVALID; the following is + * to make up for not having a salt until a proper one is used + */ + salt = pass; + saltlen = passlen; + + klen = cipher->max_keysize; + rv = pkcs11_PasswdToKey(sess, pass, passlen, salt, saltlen, ktype, + cipher->max_keysize, &kvalue, &klen); + + (void) C_CloseSession(sess); + + if (rv != CKR_OK) { + goto cleanup; + } + + /* assert(klen == cipher->max_keysize); */ + *raw_key_sz = klen; + *raw_key = (char *)kvalue; + return; + +cleanup: + die(gettext("failed to generate %s key from passphrase: %s"), + cipher->alias, pkcs11_strerror(rv)); +} + +/* + * Read raw key from file; also handles ephemeral keys. + */ +void +getkeyfromfile(const char *pathname, mech_alias_t *cipher, char **key, + size_t *ksz) +{ + int fd; + struct stat sbuf; + boolean_t notplain = B_FALSE; + ssize_t cursz; + ssize_t nread; + + /* ephemeral keys are just random data */ + if (pathname == NULL) { + *ksz = cipher->max_keysize; + *key = malloc(*ksz); + if (*key == NULL) + die(gettext("failed to allocate memory for" + " ephemeral key")); + if (pkcs11_random_data(*key, *ksz) < 0) { + free(*key); + die(gettext("failed to get enough random data")); + } + return; + } + + /* + * If the remaining section of code didn't also check for secure keyfile + * permissions and whether the key is within cipher min and max lengths, + * (or, if those things moved out of this block), we could have had: + * if (pkcs11_read_data(pathname, key, ksz) < 0) + * handle_error(); + */ + + if ((fd = open(pathname, O_RDONLY, 0)) == -1) + die(gettext("open of keyfile (%s) failed"), pathname); + + if (fstat(fd, &sbuf) == -1) + die(gettext("fstat of keyfile (%s) failed"), pathname); + + if (S_ISREG(sbuf.st_mode)) { + if ((sbuf.st_mode & (S_IWGRP | S_IWOTH)) != 0) + die(gettext("insecure permissions on keyfile %s\n"), + pathname); + + *ksz = sbuf.st_size; + if (*ksz < cipher->min_keysize || cipher->max_keysize < *ksz) { + warn(gettext("%s: invalid keysize: %d\n"), + pathname, (int)*ksz); + die(gettext("\t%d <= keysize <= %d\n"), + cipher->min_keysize, cipher->max_keysize); + } + } else { + *ksz = cipher->max_keysize; + notplain = B_TRUE; + } + + *key = malloc(*ksz); + if (*key == NULL) + die(gettext("failed to allocate memory for key from file")); + + for (cursz = 0, nread = 0; cursz < *ksz; cursz += nread) { + nread = read(fd, *key, *ksz); + if (nread > 0) + continue; + /* + * nread == 0. If it's not a regular file we were trying to + * get the maximum keysize of data possible for this cipher. + * But if we've got at least the minimum keysize of data, + * round down to the nearest keysize unit and call it good. + * If we haven't met the minimum keysize, that's an error. + * If it's a regular file, nread = 0 is also an error. + */ + if (nread == 0 && notplain && cursz >= cipher->min_keysize) { + *ksz = (cursz / cipher->min_keysize) * + cipher->min_keysize; + break; + } + die(gettext("%s: can't read all keybytes"), pathname); + } + (void) close(fd); +} + +/* + * Read the raw key from token, or from a file that was wrapped with a + * key from token + */ +void +getkeyfromtoken(CK_SESSION_HANDLE sess, + token_spec_t *token, const char *keyfile, mech_alias_t *cipher, + char **raw_key, size_t *raw_key_sz) +{ + CK_RV rv = CKR_OK; + CK_BBOOL trueval = B_TRUE; + CK_OBJECT_CLASS kclass; /* secret key or RSA private key */ + CK_KEY_TYPE ktype; /* from selected cipher or CKK_RSA */ + CK_KEY_TYPE raw_ktype; /* from selected cipher */ + CK_ATTRIBUTE key_tmpl[] = { + { CKA_CLASS, NULL, 0 }, /* re-used for token key and unwrap */ + { CKA_KEY_TYPE, NULL, 0 }, /* ditto */ + { CKA_LABEL, NULL, 0 }, + { CKA_TOKEN, NULL, 0 }, + { CKA_PRIVATE, NULL, 0 } + }; + CK_ULONG attrs = sizeof (key_tmpl) / sizeof (CK_ATTRIBUTE); + int i; + char *pass = NULL; + size_t passlen = 0; + CK_OBJECT_HANDLE obj, rawobj; + CK_ULONG num_objs = 1; /* just want to find 1 token key */ + CK_MECHANISM unwrap = { CKM_RSA_PKCS, NULL, 0 }; + char *rkey; + size_t rksz; + + if (token == NULL || token->key == NULL) + return; + + /* did init_crypto find a slot that supports this cipher? */ + if (cipher->slot == (CK_SLOT_ID)-1 || cipher->max_keysize == 0) { + die(gettext("failed to find any cryptographic provider, " + "use \"cryptoadm list -p\" to find providers: %s\n"), + pkcs11_strerror(CKR_MECHANISM_INVALID)); + } + + if (pkcs11_get_pass(token->name, &pass, &passlen, 0, B_FALSE) < 0) + die(gettext("unable to get passphrase")); + + /* use passphrase to login to token */ + if (pass != NULL && passlen > 0) { + rv = C_Login(sess, CKU_USER, (CK_UTF8CHAR_PTR)pass, passlen); + if (rv != CKR_OK) { + die(gettext("cannot login to the token %s: %s\n"), + token->name, pkcs11_strerror(rv)); + } + } + + rv = pkcs11_mech2keytype(cipher->type, &raw_ktype); + if (rv != CKR_OK) { + die(gettext("failed to get key type for cipher %s: %s\n"), + cipher->name, pkcs11_strerror(rv)); + } + + /* + * If no keyfile was given, then the token key is secret key to + * be used for encryption/decryption. Otherwise, the keyfile + * contains a wrapped secret key, and the token is actually the + * unwrapping RSA private key. + */ + if (keyfile == NULL) { + kclass = CKO_SECRET_KEY; + ktype = raw_ktype; + } else { + kclass = CKO_PRIVATE_KEY; + ktype = CKK_RSA; + } + + /* Find the key in the token first */ + for (i = 0; i < attrs; i++) { + switch (key_tmpl[i].type) { + case CKA_CLASS: + key_tmpl[i].pValue = &kclass; + key_tmpl[i].ulValueLen = sizeof (kclass); + break; + case CKA_KEY_TYPE: + key_tmpl[i].pValue = &ktype; + key_tmpl[i].ulValueLen = sizeof (ktype); + break; + case CKA_LABEL: + key_tmpl[i].pValue = token->key; + key_tmpl[i].ulValueLen = strlen(token->key); + break; + case CKA_TOKEN: + key_tmpl[i].pValue = &trueval; + key_tmpl[i].ulValueLen = sizeof (trueval); + break; + case CKA_PRIVATE: + key_tmpl[i].pValue = &trueval; + key_tmpl[i].ulValueLen = sizeof (trueval); + break; + default: + break; + } + } + rv = C_FindObjectsInit(sess, key_tmpl, attrs); + if (rv != CKR_OK) + die(gettext("cannot find key %s: %s\n"), token->key, + pkcs11_strerror(rv)); + rv = C_FindObjects(sess, &obj, 1, &num_objs); + (void) C_FindObjectsFinal(sess); + + if (num_objs == 0) { + die(gettext("cannot find key %s\n"), token->key); + } else if (rv != CKR_OK) { + die(gettext("cannot find key %s: %s\n"), token->key, + pkcs11_strerror(rv)); + } + + /* + * No keyfile means when token key is found, convert it to raw key, + * and done. Otherwise still need do an unwrap to create yet another + * obj and that needs to be converted to raw key before we're done. + */ + if (keyfile == NULL) { + /* obj contains raw key, extract it */ + rv = pkcs11_ObjectToKey(sess, obj, (void **)&rkey, &rksz, + B_FALSE); + if (rv != CKR_OK) { + die(gettext("failed to get key value for %s" + " from token %s, %s\n"), token->key, + token->name, pkcs11_strerror(rv)); + } + } else { + getkeyfromfile(keyfile, cipher, &rkey, &rksz); + + /* + * Got the wrapping RSA obj and the wrapped key from file. + * Unwrap the key from file with RSA obj to get rawkey obj. + */ + + /* re-use the first two attributes of key_tmpl */ + kclass = CKO_SECRET_KEY; + ktype = raw_ktype; + + rv = C_UnwrapKey(sess, &unwrap, obj, (CK_BYTE_PTR)rkey, + rksz, key_tmpl, 2, &rawobj); + if (rv != CKR_OK) { + die(gettext("failed to unwrap key in keyfile %s," + " %s\n"), keyfile, pkcs11_strerror(rv)); + } + /* rawobj contains raw key, extract it */ + rv = pkcs11_ObjectToKey(sess, rawobj, (void **)&rkey, &rksz, + B_TRUE); + if (rv != CKR_OK) { + die(gettext("failed to get unwrapped key value for" + " key in keyfile %s, %s\n"), keyfile, + pkcs11_strerror(rv)); + } + } + + /* validate raw key size */ + if (rksz < cipher->min_keysize || cipher->max_keysize < rksz) { + warn(gettext("%s: invalid keysize: %d\n"), keyfile, (int)rksz); + die(gettext("\t%d <= keysize <= %d\n"), cipher->min_keysize, + cipher->max_keysize); + } + + *raw_key_sz = rksz; + *raw_key = (char *)rkey; +} + +/* + * Set up cipher key limits and verify PKCS#11 can be done + * match_token_cipher is the function pointer used by + * pkcs11_GetCriteriaSession() init_crypto. + */ +boolean_t +match_token_cipher(CK_SLOT_ID slot_id, void *args, CK_RV *rv) +{ + token_spec_t *token; + mech_alias_t *cipher; + CK_TOKEN_INFO tokinfo; + CK_MECHANISM_INFO mechinfo; + boolean_t token_match; + + /* + * While traversing slot list, pick up the following info per slot: + * - if token specified, whether it matches this slot's token info + * - if the slot supports the PKCS#5 PBKD2 cipher + * + * If the user said on the command line + * -T tok:mfr:ser:lab -k keyfile + * -c cipher -T tok:mfr:ser:lab -k keyfile + * the given cipher or the default cipher apply to keyfile, + * If the user said instead + * -T tok:mfr:ser:lab + * -c cipher -T tok:mfr:ser:lab + * the key named "lab" may or may not agree with the given + * cipher or the default cipher. In those cases, cipher will + * be overridden with the actual cipher type of the key "lab". + */ + *rv = CKR_FUNCTION_FAILED; + + if (args == NULL) { + return (B_FALSE); + } + + cipher = (mech_alias_t *)args; + token = cipher->token; + + if (C_GetMechanismInfo(slot_id, cipher->type, &mechinfo) != CKR_OK) { + return (B_FALSE); + } + + if (token == NULL) { + if (C_GetMechanismInfo(slot_id, CKM_PKCS5_PBKD2, &mechinfo) != + CKR_OK) { + return (B_FALSE); + } + goto foundit; + } + + /* does the token match the token spec? */ + if (token->key == NULL || (C_GetTokenInfo(slot_id, &tokinfo) != CKR_OK)) + return (B_FALSE); + + token_match = B_TRUE; + + if (token->name != NULL && (token->name)[0] != '\0' && + strncmp((char *)token->name, (char *)tokinfo.label, + TOKEN_LABEL_SIZE) != 0) + token_match = B_FALSE; + if (token->mfr != NULL && (token->mfr)[0] != '\0' && + strncmp((char *)token->mfr, (char *)tokinfo.manufacturerID, + TOKEN_MANUFACTURER_SIZE) != 0) + token_match = B_FALSE; + if (token->serno != NULL && (token->serno)[0] != '\0' && + strncmp((char *)token->serno, (char *)tokinfo.serialNumber, + TOKEN_SERIAL_SIZE) != 0) + token_match = B_FALSE; + + if (!token_match) + return (B_FALSE); + +foundit: + cipher->slot = slot_id; + return (B_TRUE); +} + +/* + * Clean up crypto loose ends + */ +static void +end_crypto(CK_SESSION_HANDLE sess) +{ + (void) C_CloseSession(sess); + (void) C_Finalize(NULL); +} + +/* + * Set up crypto, opening session on slot that matches token and cipher + */ +static void +init_crypto(token_spec_t *token, mech_alias_t *cipher, + CK_SESSION_HANDLE_PTR sess) +{ + CK_RV rv; + + cipher->token = token; + + /* Turn off Metaslot so that we can see actual tokens */ + if (setenv("METASLOT_ENABLED", "false", 1) < 0) { + die(gettext("could not disable Metaslot")); + } + + rv = pkcs11_GetCriteriaSession(match_token_cipher, (void *)cipher, + sess); + if (rv != CKR_OK) { + end_crypto(*sess); + if (rv == CKR_HOST_MEMORY) { + die("malloc"); + } + die(gettext("failed to find any cryptographic provider, " + "use \"cryptoadm list -p\" to find providers: %s\n"), + pkcs11_strerror(rv)); + } +} + +/* * Uncompress a file. * * First map the file in to establish a device @@ -372,6 +1178,7 @@ lofi_uncompress(int lfd, const char *filename) char buf[MAXBSIZE]; char devicename[32]; char tmpfilename[MAXPATHLEN]; + char *x; char *dir = NULL; char *file = NULL; int minor = 0; @@ -396,7 +1203,7 @@ lofi_uncompress(int lfd, const char *filename) if (statbuf.st_size == 0) return; - add_mapping(lfd, NULL, filename, &minor, 1); + minor = lofi_map_file(lfd, li, filename); (void) snprintf(devicename, sizeof (devicename), "/dev/%s/%d", LOFI_BLOCK_NAME, minor); @@ -412,18 +1219,20 @@ lofi_uncompress(int lfd, const char *filename) die(gettext("open: %s"), filename); } /* Create a temp file in the same directory */ - dir = strdup(filename); - dir = dirname(dir); - file = strdup(filename); - file = basename(file); + x = strdup(filename); + dir = strdup(dirname(x)); + free(x); + x = strdup(filename); + file = strdup(basename(x)); + free(x); (void) snprintf(tmpfilename, sizeof (tmpfilename), "%s/.%sXXXXXX", dir, file); + free(dir); + free(file); if ((uncompfd = mkstemp64(tmpfilename)) == -1) { (void) close(compfd); delete_mapping(lfd, devicename, filename, B_TRUE); - free(dir); - free(file); die("%s could not be uncompressed\n", filename); } @@ -437,8 +1246,6 @@ lofi_uncompress(int lfd, const char *filename) (void) close(compfd); (void) close(uncompfd); delete_mapping(lfd, devicename, filename, B_TRUE); - free(dir); - free(file); die("%s could not be uncompressed\n", filename); } @@ -457,8 +1264,6 @@ lofi_uncompress(int lfd, const char *filename) (void) close(compfd); (void) close(uncompfd); - free(dir); - free(file); /* Delete the mapping */ delete_mapping(lfd, devicename, filename, B_TRUE); @@ -490,6 +1295,7 @@ lofi_compress(int *lfd, const char *filename, int compress_index, char tmpfilename[MAXPATHLEN]; char comp_filename[MAXPATHLEN]; char algorithm[MAXALGLEN]; + char *x; char *dir = NULL, *file = NULL; uchar_t *uncompressed_seg = NULL; uchar_t *compressed_seg = NULL; @@ -573,14 +1379,18 @@ lofi_compress(int *lfd, const char *filename, int compress_index, * Create temporary files in the same directory that * will hold the intermediate data */ - dir = strdup(filename); - dir = dirname(dir); - file = strdup(filename); - file = basename(file); + x = strdup(filename); + dir = strdup(dirname(x)); + free(x); + x = strdup(filename); + file = strdup(basename(x)); + free(x); (void) snprintf(tmpfilename, sizeof (tmpfilename), "%s/.%sXXXXXX", dir, file); (void) snprintf(comp_filename, sizeof (comp_filename), "%s/.%sXXXXXX", dir, file); + free(dir); + free(file); if ((tfd = mkstemp64(tmpfilename)) == -1) goto cleanup; @@ -781,10 +1591,6 @@ cleanup: free(compressed_seg); if (uncompressed_seg != NULL) free(uncompressed_seg); - if (dir != NULL) - free(dir); - if (file != NULL) - free(file); if (index != NULL) free(index); if (compfd != -1) @@ -820,7 +1626,7 @@ check_file_validity(const char *filename) { struct stat64 buf; int error; - int fd = -1; + int fd; fd = open64(filename, O_RDONLY); if (fd == -1) { @@ -894,21 +1700,34 @@ main(int argc, char *argv[]) uint32_t segsize = SEGSIZE; static char *lofictl = "/dev/" LOFI_CTL_NAME; boolean_t force = B_FALSE; - char realfilename[MAXPATHLEN]; + const char *pname; + boolean_t errflag = B_FALSE; + boolean_t addflag = B_FALSE; + boolean_t deleteflag = B_FALSE; + boolean_t ephflag = B_FALSE; + boolean_t compressflag = B_FALSE; + boolean_t uncompressflag = B_FALSE; + /* the next two work together for -c, -k, -T, -e options only */ + boolean_t need_crypto = B_FALSE; /* if any -c, -k, -T, -e */ + boolean_t cipher_only = B_TRUE; /* if -c only */ + const char *keyfile = NULL; + mech_alias_t *cipher = NULL; + token_spec_t *token = NULL; + char *rkey = NULL; + size_t rksz = 0; + char realfilename[MAXPATHLEN]; pname = getpname(argv[0]); (void) setlocale(LC_ALL, ""); (void) textdomain(TEXT_DOMAIN); - while ((c = getopt(argc, argv, "a:C:d:s:U:f")) != EOF) { + while ((c = getopt(argc, argv, "a:c:Cd:efk:o:s:T:U")) != EOF) { switch (c) { case 'a': - addflag = 1; + addflag = B_TRUE; if ((filename = realpath(optarg, realfilename)) == NULL) die("%s", optarg); - check_file_validity(filename); - if (((argc - optind) > 0) && (*argv[optind] != '-')) { /* optional device */ devicename = argv[optind]; @@ -916,39 +1735,26 @@ main(int argc, char *argv[]) } break; case 'C': - compressflag = 1; - - if (((argc - optind) > 0) && - (*optarg == '-')) { - check_algorithm_validity(algname, - &compress_index); - optind--; - break; - } else if (((argc - optind) == 1) && - (*argv[optind] != '-')) { - algname = optarg; - if ((filename = realpath(argv[optind], - realfilename)) == NULL) - die("%s", argv[optind]); + compressflag = B_TRUE; + if (((argc - optind) > 1) && (*argv[optind] != '-')) { + /* optional algorithm */ + algname = argv[optind]; optind++; - } else if (((argc - optind) > 1) && - (*argv[optind] == '-')) { - algname = optarg; - check_algorithm_validity(algname, - &compress_index); - break; - } else { - if ((filename = realpath(optarg, - realfilename)) == NULL) - die("%s", optarg); } - - check_file_validity(filename); check_algorithm_validity(algname, &compress_index); break; + case 'c': + /* is the chosen cipher allowed? */ + if ((cipher = ciph2mech(optarg)) == NULL) { + errflag = B_TRUE; + warn(gettext("cipher %s not allowed\n"), + optarg); + } + need_crypto = B_TRUE; + /* cipher_only is already set */ + break; case 'd': - deleteflag = 1; - + deleteflag = B_TRUE; minor = name_to_minor(optarg); if (minor != 0) devicename = optarg; @@ -958,62 +1764,97 @@ main(int argc, char *argv[]) die("%s", optarg); } break; + case 'e': + ephflag = B_TRUE; + need_crypto = B_TRUE; + cipher_only = B_FALSE; /* need to unset cipher_only */ + break; case 'f': force = B_TRUE; break; + case 'k': + keyfile = optarg; + need_crypto = B_TRUE; + cipher_only = B_FALSE; /* need to unset cipher_only */ + break; case 's': segsize = convert_to_num(optarg); - if (segsize == 0 || segsize % DEV_BSIZE) die(gettext("segment size %s is invalid " "or not a multiple of minimum block " "size %ld\n"), optarg, DEV_BSIZE); - - if ((filename = realpath(argv[optind], - realfilename)) == NULL) - die("%s", argv[optind]); - check_file_validity(filename); - optind++; + break; + case 'T': + if ((token = parsetoken(optarg)) == NULL) { + errflag = B_TRUE; + warn( + gettext("invalid token key specifier %s\n"), + optarg); + } + need_crypto = B_TRUE; + cipher_only = B_FALSE; /* need to unset cipher_only */ break; case 'U': - uncompressflag = 1; - if ((filename = realpath(optarg, realfilename)) == NULL) - die("%s", optarg); - check_file_validity(filename); + uncompressflag = B_TRUE; break; case '?': default: - errflag = 1; + errflag = B_TRUE; break; } } + + /* Check for mutually exclusive combinations of options */ if (errflag || (addflag && deleteflag) || + (!addflag && need_crypto) || ((compressflag || uncompressflag) && (addflag || deleteflag))) - usage(); + usage(pname); + + /* ephemeral key, and key from either file or token are incompatible */ + if (ephflag && (keyfile != NULL || token != NULL)) { + die(gettext("ephemeral key cannot be used with keyfile" + " or token key\n")); + } + + /* + * "-c" but no "-k", "-T", "-e", or "-T -k" means derive key from + * command line passphrase + */ switch (argc - optind) { case 0: /* no more args */ + if (compressflag || uncompressflag) /* needs filename */ + usage(pname); break; - case 1: /* one arg without options means print the association */ + case 1: if (addflag || deleteflag) - usage(); - if (compressflag || uncompressflag) - usage(); - minor = name_to_minor(argv[optind]); - if (minor != 0) - devicename = argv[optind]; - else { + usage(pname); + /* one arg means compress/uncompress the file ... */ + if (compressflag || uncompressflag) { if ((filename = realpath(argv[optind], realfilename)) == NULL) die("%s", argv[optind]); + /* ... or without options means print the association */ + } else { + minor = name_to_minor(argv[optind]); + if (minor != 0) + devicename = argv[optind]; + else { + if ((filename = realpath(argv[optind], + realfilename)) == NULL) + die("%s", argv[optind]); + } } break; default: - usage(); + usage(pname); break; } + if (addflag || compressflag || uncompressflag) + check_file_validity(filename); + if (filename && !valid_abspath(filename)) exit(E_ERROR); @@ -1022,9 +1863,7 @@ main(int argc, char *argv[]) * absolute path, it exists and is a regular file. We don't yet * know that the device name is ok or not. */ - /* - * Now to the real work. - */ + openflag = O_EXCL; if (addflag || deleteflag || compressflag || uncompressflag) openflag |= O_RDWR; @@ -1040,8 +1879,51 @@ main(int argc, char *argv[]) } /*NOTREACHED*/ } + + /* + * No passphrase is needed for ephemeral key, or when key is + * in a file and not wrapped by another key from a token. + * However, a passphrase is needed in these cases: + * 1. cipher with no ephemeral key, key file, or token, + * in which case the passphrase is used to build the key + * 2. token with an optional cipher or optional key file, + * in which case the passphrase unlocks the token + * If only the cipher is specified, reconfirm the passphrase + * to ensure the user hasn't mis-entered it. Otherwise, the + * token will enforce the token passphrase. + */ + if (need_crypto) { + CK_SESSION_HANDLE sess; + + /* pick a cipher if none specified */ + if (cipher == NULL) + cipher = DEFAULT_CIPHER; + + if (!kernel_cipher_check(cipher)) + die(gettext( + "use \"cryptoadm list -m\" to find available " + "mechanisms\n")); + + init_crypto(token, cipher, &sess); + + if (cipher_only) { + getkeyfromuser(cipher, &rkey, &rksz); + } else if (token != NULL) { + getkeyfromtoken(sess, token, keyfile, cipher, + &rkey, &rksz); + } else { + /* this also handles ephemeral keys */ + getkeyfromfile(keyfile, cipher, &rkey, &rksz); + } + + end_crypto(sess); + } + + /* + * Now to the real work. + */ if (addflag) - add_mapping(lfd, devicename, filename, NULL, 0); + add_mapping(lfd, devicename, filename, cipher, rkey, rksz); else if (compressflag) lofi_compress(&lfd, filename, compress_index, segsize); else if (uncompressflag) diff --git a/usr/src/cmd/lofiadm/utils.c b/usr/src/cmd/lofiadm/utils.c index 349fab1c2b..6b94155ab0 100644 --- a/usr/src/cmd/lofiadm/utils.c +++ b/usr/src/cmd/lofiadm/utils.c @@ -19,12 +19,10 @@ * CDDL HEADER END */ /* - * Copyright 2007 Sun Microsystems, Inc. All rights reserved. + * Copyright 2008 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ -#pragma ident "%Z%%M% %I% %E% SMI" - #include <sys/types.h> #include <sys/param.h> #include <sys/stat.h> @@ -49,7 +47,7 @@ static const char ERRNO_FMT[] = ": %s\n"; static const char *pname; /*PRINTFLIKE1*/ -static void +void warn(const char *format, ...) { int err = errno; @@ -82,7 +80,6 @@ die(const char *format, ...) if (strchr(format, '\n') == NULL) (void) fprintf(stderr, gettext(ERRNO_FMT), strerror(err)); - exit(E_ERROR); } diff --git a/usr/src/cmd/lofiadm/utils.h b/usr/src/cmd/lofiadm/utils.h index 627ac3b264..59f32c7989 100644 --- a/usr/src/cmd/lofiadm/utils.h +++ b/usr/src/cmd/lofiadm/utils.h @@ -19,15 +19,13 @@ * CDDL HEADER END */ /* - * Copyright 2007 Sun Microsystems, Inc. All rights reserved. + * Copyright 2008 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ #ifndef _UTILS_H #define _UTILS_H -#pragma ident "%Z%%M% %I% %E% SMI" - #include <libintl.h> #ifdef __cplusplus @@ -38,9 +36,12 @@ extern "C" { #define E_ERROR 1 /* Exit status for error */ #define E_USAGE 2 /* Exit status for usage error */ +extern void warn(const char *, ...); extern void die(const char *, ...); + extern const char *getpname(const char *); extern int valid_abspath(const char *); + extern void *openlib(const char *); extern void closelib(); |
