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rpm/lib/signature.c

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/* signature.c - RPM signature functions */
/* NOTES
*
* Things have been cleaned up wrt PGP. We can now handle
* signatures of any length (which means you can use any
* size key you like). We also honor PGPPATH finally.
*/
#include "system.h"
#if HAVE_ASM_BYTEORDER_H
#include <asm/byteorder.h>
#endif
#include <rpmlib.h>
#include <rpmmacro.h> /* XXX for rpmGetPath */
#include "md5.h"
#include "misc.h"
#include "rpmlead.h"
#include "signature.h"
typedef int (*md5func)(const char * fn, /*@out@*/unsigned char * digest);
int rpmLookupSignatureType(int action)
{
static int disabled = 0;
int rc = 0;
switch (action) {
case RPMLOOKUPSIG_DISABLE:
disabled = -2;
break;
case RPMLOOKUPSIG_ENABLE:
disabled = 0;
/* fall through */
/*@fallthrough@*/
case RPMLOOKUPSIG_QUERY:
if (disabled)
break; /* Disabled */
{ const char *name = rpmExpand("%{_signature}", NULL);
if (!(name && *name != '%'))
rc = 0;
else if (!strcasecmp(name, "none"))
rc = 0;
else if (!strcasecmp(name, "pgp"))
rc = RPMSIGTAG_PGP;
else if (!strcasecmp(name, "pgp5")) /* XXX legacy */
rc = RPMSIGTAG_PGP;
else if (!strcasecmp(name, "gpg"))
rc = RPMSIGTAG_GPG;
else
rc = -1; /* Invalid %_signature spec in macro file */
xfree(name);
} break;
}
return rc;
}
/* rpmDetectPGPVersion() returns the absolute path to the "pgp" */
/* executable of the requested version, or NULL when none found. */
const char * rpmDetectPGPVersion(pgpVersion *pgpVer)
{
/* Actually this should support having more then one pgp version. */
/* At the moment only one version is possible since we only */
/* have one %_pgpbin and one %_pgp_path. */
static pgpVersion saved_pgp_version = PGP_UNKNOWN;
const char *pgpbin = rpmGetPath("%{_pgpbin}", NULL);
if (saved_pgp_version == PGP_UNKNOWN) {
char *pgpvbin;
struct stat statbuf;
if (!(pgpbin && pgpbin[0] != '%') || ! (pgpvbin = (char *)alloca(strlen(pgpbin) + 2))) {
if (pgpbin) xfree(pgpbin);
saved_pgp_version = -1;
return NULL;
}
sprintf(pgpvbin, "%sv", pgpbin);
if (stat(pgpvbin, &statbuf) == 0)
saved_pgp_version = PGP_5;
else if (stat(pgpbin, &statbuf) == 0)
saved_pgp_version = PGP_2;
else
saved_pgp_version = PGP_NOTDETECTED;
}
if (pgpbin && pgpVer)
*pgpVer = saved_pgp_version;
return pgpbin;
}
static int checkSize(FD_t fd, int size, int sigsize)
{
int headerArchiveSize;
struct stat statbuf;
fstat(Fileno(fd), &statbuf);
if (S_ISREG(statbuf.st_mode)) {
headerArchiveSize = statbuf.st_size - sizeof(struct rpmlead) - sigsize;
rpmMessage(RPMMESS_DEBUG, _("sigsize : %d\n"), sigsize);
rpmMessage(RPMMESS_DEBUG, _("Header + Archive: %d\n"), headerArchiveSize);
rpmMessage(RPMMESS_DEBUG, _("expected size : %d\n"), size);
return size - headerArchiveSize;
} else {
rpmMessage(RPMMESS_DEBUG, _("file is not regular -- skipping size check\n"));
return 0;
}
}
/* rpmReadSignature() emulates the new style signatures if it finds an */
/* old-style one. It also immediately verifies the header+archive */
/* size and returns an error if it doesn't match. */
int rpmReadSignature(FD_t fd, Header *headerp, short sig_type)
{
unsigned char buf[2048];
int sigSize, pad;
int_32 type, count;
int_32 *archSize;
Header h;
if (headerp)
*headerp = NULL;
switch (sig_type) {
case RPMSIG_NONE:
rpmMessage(RPMMESS_DEBUG, _("No signature\n"));
break;
case RPMSIG_PGP262_1024:
rpmMessage(RPMMESS_DEBUG, _("Old PGP signature\n"));
/* These are always 256 bytes */
if (timedRead(fd, buf, 256) != 256)
return 1;
if (headerp) {
*headerp = headerNew();
headerAddEntry(*headerp, RPMSIGTAG_PGP, RPM_BIN_TYPE, buf, 152);
}
break;
case RPMSIG_MD5:
case RPMSIG_MD5_PGP:
rpmError(RPMERR_BADSIGTYPE,
_("Old (internal-only) signature! How did you get that!?"));
return 1;
/*@notreached@*/ break;
case RPMSIG_HEADERSIG:
rpmMessage(RPMMESS_DEBUG, _("New Header signature\n"));
/* This is a new style signature */
h = headerRead(fd, HEADER_MAGIC_YES);
if (h == NULL)
return 1;
sigSize = headerSizeof(h, HEADER_MAGIC_YES);
pad = (8 - (sigSize % 8)) % 8; /* 8-byte pad */
rpmMessage(RPMMESS_DEBUG, _("Signature size: %d\n"), sigSize);
rpmMessage(RPMMESS_DEBUG, _("Signature pad : %d\n"), pad);
if (! headerGetEntry(h, RPMSIGTAG_SIZE, &type, (void **)&archSize, &count)) {
headerFree(h);
return 1;
}
if (checkSize(fd, *archSize, sigSize + pad)) {
headerFree(h);
return 1;
}
if (pad) {
if (timedRead(fd, buf, pad) != pad) {
headerFree(h);
return 1;
}
}
if (headerp) {
*headerp = h;
} else {
headerFree(h);
}
break;
default:
return 1;
}
return 0;
}
int rpmWriteSignature(FD_t fd, Header header)
{
int sigSize, pad;
unsigned char buf[8];
int rc = 0;
rc = headerWrite(fd, header, HEADER_MAGIC_YES);
if (rc)
return rc;
sigSize = headerSizeof(header, HEADER_MAGIC_YES);
pad = (8 - (sigSize % 8)) % 8;
if (pad) {
rpmMessage(RPMMESS_DEBUG, _("Signature size: %d\n"), sigSize);
rpmMessage(RPMMESS_DEBUG, _("Signature pad : %d\n"), pad);
memset(buf, 0, pad);
if (Fwrite(buf, sizeof(buf[0]), pad, fd) != pad)
rc = 1;
}
return rc;
}
Header rpmNewSignature(void)
{
Header h = headerNew();
return h;
}
void rpmFreeSignature(Header h)
{
headerFree(h);
}
static int makePGPSignature(const char *file, /*@out@*/void **sig, /*@out@*/int_32 *size,
const char *passPhrase)
{
char sigfile[1024];
int pid, status;
int inpipe[2];
struct stat statbuf;
sprintf(sigfile, "%s.sig", file);
inpipe[0] = inpipe[1] = 0;
pipe(inpipe);
if (!(pid = fork())) {
const char *pgp_path = rpmExpand("%{_pgp_path}", NULL);
const char *name = rpmExpand("+myname=\"%{_pgp_name}\"", NULL);
const char *path;
pgpVersion pgpVer;
close(STDIN_FILENO);
dup2(inpipe[0], 3);
close(inpipe[1]);
dosetenv("PGPPASSFD", "3", 1);
if (pgp_path && *pgp_path != '%')
dosetenv("PGPPATH", pgp_path, 1);
/* dosetenv("PGPPASS", passPhrase, 1); */
if ((path = rpmDetectPGPVersion(&pgpVer)) != NULL) {
switch(pgpVer) {
case PGP_2:
execlp(path, "pgp", "+batchmode=on", "+verbose=0", "+armor=off",
name, "-sb", file, sigfile, NULL);
break;
case PGP_5:
execlp(path,"pgps", "+batchmode=on", "+verbose=0", "+armor=off",
name, "-b", file, "-o", sigfile, NULL);
break;
case PGP_UNKNOWN:
case PGP_NOTDETECTED:
break;
}
}
rpmError(RPMERR_EXEC, _("Couldn't exec pgp (%s)"), path);
_exit(RPMERR_EXEC);
}
close(inpipe[0]);
(void)write(inpipe[1], passPhrase, strlen(passPhrase));
(void)write(inpipe[1], "\n", 1);
close(inpipe[1]);
(void)waitpid(pid, &status, 0);
if (!WIFEXITED(status) || WEXITSTATUS(status)) {
rpmError(RPMERR_SIGGEN, _("pgp failed"));
return 1;
}
if (stat(sigfile, &statbuf)) {
/* PGP failed to write signature */
unlink(sigfile); /* Just in case */
rpmError(RPMERR_SIGGEN, _("pgp failed to write signature"));
return 1;
}
*size = statbuf.st_size;
rpmMessage(RPMMESS_DEBUG, _("PGP sig size: %d\n"), *size);
*sig = xmalloc(*size);
{ FD_t fd;
int rc;
fd = Fopen(sigfile, "r.fdio");
rc = timedRead(fd, *sig, *size);
unlink(sigfile);
Fclose(fd);
if (rc != *size) {
free(*sig);
rpmError(RPMERR_SIGGEN, _("unable to read the signature"));
return 1;
}
}
rpmMessage(RPMMESS_DEBUG, _("Got %d bytes of PGP sig\n"), *size);
return 0;
}
/* This is an adaptation of the makePGPSignature function to use GPG instead
* of PGP to create signatures. I think I've made all the changes necessary,
* but this could be a good place to start looking if errors in GPG signature
* creation crop up.
*/
static int makeGPGSignature(const char *file, /*@out@*/void **sig, /*@out@*/int_32 *size,
const char *passPhrase)
{
char sigfile[1024];
int pid, status;
int inpipe[2];
FILE *fpipe;
struct stat statbuf;
sprintf(sigfile, "%s.sig", file);
inpipe[0] = inpipe[1] = 0;
pipe(inpipe);
if (!(pid = fork())) {
const char *gpg_path = rpmExpand("%{_gpg_path}", NULL);
const char *name = rpmExpand("%{_gpg_name}", NULL);
close(STDIN_FILENO);
dup2(inpipe[0], 3);
close(inpipe[1]);
if (gpg_path && *gpg_path != '%')
dosetenv("GNUPGHOME", gpg_path, 1);
execlp("gpg", "gpg",
"--batch", "--no-verbose", "--no-armor", "--passphrase-fd", "3",
"-u", name, "-sbo", sigfile, file,
NULL);
rpmError(RPMERR_EXEC, _("Couldn't exec gpg"));
_exit(RPMERR_EXEC);
}
fpipe = fdopen(inpipe[1], "w");
close(inpipe[0]);
fprintf(fpipe, "%s\n", passPhrase);
fclose(fpipe);
(void)waitpid(pid, &status, 0);
if (!WIFEXITED(status) || WEXITSTATUS(status)) {
rpmError(RPMERR_SIGGEN, _("gpg failed"));
return 1;
}
if (stat(sigfile, &statbuf)) {
/* GPG failed to write signature */
unlink(sigfile); /* Just in case */
rpmError(RPMERR_SIGGEN, _("gpg failed to write signature"));
return 1;
}
*size = statbuf.st_size;
rpmMessage(RPMMESS_DEBUG, _("GPG sig size: %d\n"), *size);
*sig = xmalloc(*size);
{ FD_t fd;
int rc;
fd = Fopen(sigfile, "r.fdio");
rc = timedRead(fd, *sig, *size);
unlink(sigfile);
Fclose(fd);
if (rc != *size) {
free(*sig);
rpmError(RPMERR_SIGGEN, _("unable to read the signature"));
return 1;
}
}
rpmMessage(RPMMESS_DEBUG, _("Got %d bytes of GPG sig\n"), *size);
return 0;
}
int rpmAddSignature(Header header, const char *file, int_32 sigTag, const char *passPhrase)
{
struct stat statbuf;
int_32 size;
unsigned char buf[16];
void *sig;
int ret = -1;
switch (sigTag) {
case RPMSIGTAG_SIZE:
stat(file, &statbuf);
size = statbuf.st_size;
ret = 0;
headerAddEntry(header, RPMSIGTAG_SIZE, RPM_INT32_TYPE, &size, 1);
break;
case RPMSIGTAG_MD5:
ret = mdbinfile(file, buf);
if (ret == 0)
headerAddEntry(header, sigTag, RPM_BIN_TYPE, buf, 16);
break;
case RPMSIGTAG_PGP5: /* XXX legacy */
case RPMSIGTAG_PGP:
rpmMessage(RPMMESS_VERBOSE, _("Generating signature using PGP.\n"));
ret = makePGPSignature(file, &sig, &size, passPhrase);
if (ret == 0)
headerAddEntry(header, sigTag, RPM_BIN_TYPE, sig, size);
break;
case RPMSIGTAG_GPG:
rpmMessage(RPMMESS_VERBOSE, _("Generating signature using GPG.\n"));
ret = makeGPGSignature(file, &sig, &size, passPhrase);
if (ret == 0)
headerAddEntry(header, sigTag, RPM_BIN_TYPE, sig, size);
break;
}
return ret;
}
static int verifySizeSignature(const char *datafile, int_32 size, char *result)
{
struct stat statbuf;
stat(datafile, &statbuf);
if (size != statbuf.st_size) {
sprintf(result, "Header+Archive size mismatch.\n"
"Expected %d, saw %d.\n",
size, (int)statbuf.st_size);
return 1;
}
sprintf(result, "Header+Archive size OK: %d bytes\n", size);
return 0;
}
#define X(_x) (unsigned)((_x) & 0xff)
static int verifyMD5Signature(const char *datafile, unsigned char *sig,
char *result, md5func fn)
{
unsigned char md5sum[16];
fn(datafile, md5sum);
if (memcmp(md5sum, sig, 16)) {
sprintf(result, "MD5 sum mismatch\n"
"Expected: %02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x"
"%02x%02x%02x%02x%02x\n"
"Saw : %02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x"
"%02x%02x%02x%02x%02x\n",
X(sig[0]), X(sig[1]), X(sig[2]), X(sig[3]),
X(sig[4]), X(sig[5]), X(sig[6]), X(sig[7]),
X(sig[8]), X(sig[9]), X(sig[10]), X(sig[11]),
X(sig[12]), X(sig[13]), X(sig[14]), X(sig[15]),
X(md5sum[0]), X(md5sum[1]), X(md5sum[2]), X(md5sum[3]),
X(md5sum[4]), X(md5sum[5]), X(md5sum[6]), X(md5sum[7]),
X(md5sum[8]), X(md5sum[9]), X(md5sum[10]), X(md5sum[11]),
X(md5sum[12]), X(md5sum[13]), X(md5sum[14]), X(md5sum[15]) );
return 1;
}
sprintf(result, "MD5 sum OK: %02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x"
"%02x%02x%02x%02x%02x\n",
X(md5sum[0]), X(md5sum[1]), X(md5sum[2]), X(md5sum[3]),
X(md5sum[4]), X(md5sum[5]), X(md5sum[6]), X(md5sum[7]),
X(md5sum[8]), X(md5sum[9]), X(md5sum[10]), X(md5sum[11]),
X(md5sum[12]), X(md5sum[13]), X(md5sum[14]), X(md5sum[15]) );
return 0;
}
static int verifyPGPSignature(const char *datafile, void *sig,
int count, char *result)
{
int pid, status, outpipe[2];
FD_t sfd;
char *sigfile;
unsigned char buf[BUFSIZ];
FILE *file;
int res = RPMSIG_OK;
const char *path;
pgpVersion pgpVer;
/* What version do we have? */
if ((path = rpmDetectPGPVersion(&pgpVer)) == NULL) {
errno = ENOENT;
rpmError(RPMERR_EXEC,
_("Could not run pgp. Use --nopgp to skip PGP checks."));
_exit(RPMERR_EXEC);
}
/*
* Sad but true: pgp-5.0 returns exit value of 0 on bad signature.
* Instead we have to use the text output to detect a bad signature.
*/
if (pgpVer == PGP_5)
res = RPMSIG_BAD;
/* Write out the signature */
{ const char *tmppath = rpmGetPath("%{_tmppath}", NULL);
sigfile = tempnam(tmppath, "rpmsig");
xfree(tmppath);
}
sfd = Fopen(sigfile, "w.fdio");
(void)Fwrite(sig, sizeof(char), count, sfd);
Fclose(sfd);
/* Now run PGP */
outpipe[0] = outpipe[1] = 0;
pipe(outpipe);
if (!(pid = fork())) {
const char *pgp_path = rpmExpand("%{_pgp_path}", NULL);
close(outpipe[0]);
close(STDOUT_FILENO); /* XXX unnecessary */
dup2(outpipe[1], STDOUT_FILENO);
if (pgp_path && *pgp_path != '%')
dosetenv("PGPPATH", pgp_path, 1);
switch (pgpVer) {
case PGP_5:
/* Some output (in particular "This signature applies to */
/* another message") is _always_ written to stderr; we */
/* want to catch that output, so dup stdout to stderr: */
{ int save_stderr = dup(2);
dup2(1, 2);
execlp(path, "pgpv", "+batchmode=on", "+verbose=0",
/* Write "Good signature..." to stdout: */
"+OutputInformationFD=1",
/* Write "WARNING: ... is not trusted to... to stdout: */
"+OutputWarningFD=1",
sigfile, "-o", datafile, NULL);
/* Restore stderr so we can print the error message below. */
dup2(save_stderr, 2);
close(save_stderr);
} break;
case PGP_2:
execlp(path, "pgp", "+batchmode=on", "+verbose=0",
sigfile, datafile, NULL);
break;
case PGP_UNKNOWN:
case PGP_NOTDETECTED:
break;
}
fprintf(stderr, _("exec failed!\n"));
rpmError(RPMERR_EXEC,
_("Could not run pgp. Use --nopgp to skip PGP checks."));
_exit(RPMERR_EXEC);
}
close(outpipe[1]);
file = fdopen(outpipe[0], "r");
result[0] = '\0';
while (fgets(buf, 1024, file)) {
if (strncmp("File '", buf, 6) &&
strncmp("Text is assu", buf, 12) &&
strncmp("This signature applies to another message", buf, 41) &&
buf[0] != '\n') {
strcat(result, buf);
}
if (!strncmp("WARNING: Can't find the right public key", buf, 40))
res = RPMSIG_NOKEY;
else if (!strncmp("Signature by unknown keyid:", buf, 27))
res = RPMSIG_NOKEY;
else if (!strncmp("WARNING: The signing key is not trusted", buf, 39))
res = RPMSIG_NOTTRUSTED;
else if (!strncmp("Good signature", buf, 14))
res = RPMSIG_OK;
}
fclose(file);
(void)waitpid(pid, &status, 0);
unlink(sigfile);
if (!res && (!WIFEXITED(status) || WEXITSTATUS(status))) {
res = RPMSIG_BAD;
}
return res;
}
static int verifyGPGSignature(const char *datafile, void *sig,
int count, char *result)
{
int pid, status, outpipe[2];
FD_t sfd;
char *sigfile;
unsigned char buf[8192];
FILE *file;
int res = RPMSIG_OK;
/* Write out the signature */
{ const char *tmppath = rpmGetPath("%{_tmppath}", NULL);
sigfile = tempnam(tmppath, "rpmsig");
xfree(tmppath);
}
sfd = Fopen(sigfile, "w.fdio");
(void)Fwrite(sig, sizeof(char), count, sfd);
Fclose(sfd);
/* Now run GPG */
outpipe[0] = outpipe[1] = 0;
pipe(outpipe);
if (!(pid = fork())) {
const char *gpg_path = rpmExpand("%{_gpg_path}", NULL);
close(outpipe[0]);
/* gpg version 0.9 sends its output to stderr. */
dup2(outpipe[1], STDERR_FILENO);
if (gpg_path && *gpg_path != '%')
dosetenv("GNUPGHOME", gpg_path, 1);
execlp("gpg", "gpg",
"--batch", "--no-verbose",
"--verify", sigfile, datafile,
NULL);
fprintf(stderr, _("exec failed!\n"));
rpmError(RPMERR_EXEC,
_("Could not run gpg. Use --nogpg to skip GPG checks."));
_exit(RPMERR_EXEC);
}
close(outpipe[1]);
file = fdopen(outpipe[0], "r");
result[0] = '\0';
while (fgets(buf, 1024, file)) {
strcat(result, buf);
if (!strncmp("gpg: Can't check signature: Public key not found", buf, 48)) {
res = RPMSIG_NOKEY;
}
}
fclose(file);
(void)waitpid(pid, &status, 0);
unlink(sigfile);
if (!res && (!WIFEXITED(status) || WEXITSTATUS(status))) {
res = RPMSIG_BAD;
}
return res;
}
static int checkPassPhrase(const char *passPhrase, const int sigTag)
{
int passPhrasePipe[2];
int pid, status;
int fd;
passPhrasePipe[0] = passPhrasePipe[1] = 0;
pipe(passPhrasePipe);
if (!(pid = fork())) {
close(STDIN_FILENO);
close(STDOUT_FILENO);
close(passPhrasePipe[1]);
if (! rpmIsVerbose()) {
close(STDERR_FILENO);
}
if ((fd = open("/dev/null", O_RDONLY)) != STDIN_FILENO) {
dup2(fd, STDIN_FILENO);
close(fd);
}
if ((fd = open("/dev/null", O_WRONLY)) != STDOUT_FILENO) {
dup2(fd, STDOUT_FILENO);
close(fd);
}
dup2(passPhrasePipe[0], 3);
switch (sigTag) {
case RPMSIGTAG_GPG:
{ const char *gpg_path = rpmExpand("%{_gpg_path}", NULL);
const char *name = rpmExpand("%{_gpg_name}", NULL);
if (gpg_path && *gpg_path != '%')
dosetenv("GNUPGHOME", gpg_path, 1);
execlp("gpg", "gpg",
"--batch", "--no-verbose", "--passphrase-fd", "3",
"-u", name, "-so", "-",
NULL);
rpmError(RPMERR_EXEC, _("Couldn't exec gpg"));
_exit(RPMERR_EXEC);
} /*@notreached@*/ break;
case RPMSIGTAG_PGP5: /* XXX legacy */
case RPMSIGTAG_PGP:
{ const char *pgp_path = rpmExpand("%{_pgp_path}", NULL);
const char *name = rpmExpand("+myname=\"%{_pgp_name}\"", NULL);
const char *path;
pgpVersion pgpVer;
dosetenv("PGPPASSFD", "3", 1);
if (pgp_path && *pgp_path != '%')
dosetenv("PGPPATH", pgp_path, 1);
if ((path = rpmDetectPGPVersion(&pgpVer)) != NULL) {
switch(pgpVer) {
case PGP_2:
execlp(path, "pgp", "+batchmode=on", "+verbose=0",
name, "-sf", NULL);
break;
case PGP_5: /* XXX legacy */
execlp(path,"pgps", "+batchmode=on", "+verbose=0",
name, "-f", NULL);
break;
case PGP_UNKNOWN:
case PGP_NOTDETECTED:
break;
}
}
rpmError(RPMERR_EXEC, _("Couldn't exec pgp"));
_exit(RPMERR_EXEC);
} /*@notreached@*/ break;
default: /* This case should have been screened out long ago. */
rpmError(RPMERR_SIGGEN, _("Invalid %%_signature spec in macro file"));
_exit(RPMERR_SIGGEN);
/*@notreached@*/ break;
}
}
close(passPhrasePipe[0]);
(void)write(passPhrasePipe[1], passPhrase, strlen(passPhrase));
(void)write(passPhrasePipe[1], "\n", 1);
close(passPhrasePipe[1]);
(void)waitpid(pid, &status, 0);
if (!WIFEXITED(status) || WEXITSTATUS(status)) {
return 1;
}
/* passPhrase is good */
return 0;
}
char *rpmGetPassPhrase(const char *prompt, const int sigTag)
{
char *pass;
int aok;
switch (sigTag) {
case RPMSIGTAG_GPG:
{ const char *name = rpmExpand("%{_gpg_name}", NULL);
aok = (name && *name != '%');
xfree(name);
}
if (!aok) {
rpmError(RPMERR_SIGGEN,
_("You must set \"%%_gpg_name\" in your macro file"));
return NULL;
}
break;
case RPMSIGTAG_PGP5: /* XXX legacy */
case RPMSIGTAG_PGP:
{ const char *name = rpmExpand("%{_pgp_name}", NULL);
aok = (name && *name != '%');
xfree(name);
}
if (!aok) {
rpmError(RPMERR_SIGGEN,
_("You must set \"%%_pgp_name\" in your macro file"));
return NULL;
}
break;
default:
/* Currently the calling function (rpm.c:main) is checking this and
* doing a better job. This section should never be accessed.
*/
rpmError(RPMERR_SIGGEN, _("Invalid %%_signature spec in macro file"));
return NULL;
/*@notreached@*/ break;
}
pass = /*@-unrecog@*/ getpass( (prompt ? prompt : "") ) /*@=unrecog@*/ ;
if (checkPassPhrase(pass, sigTag))
return NULL;
return pass;
}
int rpmVerifySignature(const char *file, int_32 sigTag, void *sig, int count,
char *result)
{
switch (sigTag) {
case RPMSIGTAG_SIZE:
if (verifySizeSignature(file, *(int_32 *)sig, result)) {
return RPMSIG_BAD;
}
break;
case RPMSIGTAG_MD5:
if (verifyMD5Signature(file, sig, result, mdbinfile)) {
return 1;
}
break;
case RPMSIGTAG_LEMD5_1:
case RPMSIGTAG_LEMD5_2:
if (verifyMD5Signature(file, sig, result, mdbinfileBroken)) {
return 1;
}
break;
case RPMSIGTAG_PGP5: /* XXX legacy */
case RPMSIGTAG_PGP:
return verifyPGPSignature(file, sig, count, result);
/*@notreached@*/ break;
case RPMSIGTAG_GPG:
return verifyGPGSignature(file, sig, count, result);
/*@notreached@*/ break;
default:
sprintf(result, "Do not know how to verify sig type %d\n", sigTag);
return RPMSIG_UNKNOWN;
}
return RPMSIG_OK;
}
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