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check for bad pass phrases 

CVS patchset: 388
CVS date: 1996/02/22 01:35:00
This commit is contained in:
root 1996-02-22 01:35:00 +00:00
parent 81e9d511e7
commit 391abf9b93
1 changed files with 56 additions and 0 deletions
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56
lib/signature.c
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@ -22,6 +22,7 @@
static int makePGPSignature(char *file, int ofd, char *passPhrase);
static int verifyPGPSignature(int fd, void *sig, char *result);
static int checkPassPhrase(char *passPhrase);
int readSignature(int fd, short sig_type, void **sig)
{
@ -85,9 +86,64 @@ char *getPassPhrase(char *prompt)
pass = getpass("");
}
if (checkPassPhrase(pass)) {
return NULL;
}
return pass;
}
static int checkPassPhrase(char *passPhrase)
{
char secring[1024];
char pubring[1024];
char name[1024];
int passPhrasePipe[2];
FILE *fpipe;
int pid, status;
int fd;
sprintf(name, "+myname=\"%s\"", getVar(RPMVAR_PGP_NAME));
sprintf(secring, "+secring=\"%s\"", getVar(RPMVAR_PGP_SECRING));
sprintf(pubring, "+pubring=\"%s\"", getVar(RPMVAR_PGP_PUBRING));
pipe(passPhrasePipe);
if (!(pid = fork())) {
close(0);
close(1);
close(2);
if ((fd = open("/dev/null", O_RDONLY)) != 0) {
dup2(fd, 0);
}
if ((fd = open("/dev/null", O_WRONLY)) != 1) {
dup2(fd, 1);
}
dup2(passPhrasePipe[0], 3);
setenv("PGPPASSFD", "3", 1);
setenv("PGPPATH", getVar(RPMVAR_PGP_PATH), 1);
execlp("pgp", "pgp",
"+batchmode=on", "+verbose=0",
name, secring, pubring,
"-sf",
NULL);
error(RPMERR_EXEC, "Couldn't exec pgp");
exit(RPMERR_EXEC);
}
fpipe = fdopen(passPhrasePipe[1], "w");
close(passPhrasePipe[0]);
fprintf(fpipe, "%s\n", passPhrase);
fclose(fpipe);
waitpid(pid, &status, 0);
if (!WIFEXITED(status) || WEXITSTATUS(status)) {
return 1;
}
/* passPhrase is good */
return 0;
}
static int makePGPSignature(char *file, int ofd, char *passPhrase)
{
char secring[1024];