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Code Issues Releases Wiki Activity

Use strerror() when available for better errors (#7)

w32-compat
Christopher Wellons 2017-09-27 13:20:37 -04:00
parent bd1100ae99
commit 9d87816841
1 changed files with 22 additions and 15 deletions
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37
src/enchive.c
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@ -705,7 +705,7 @@ symmetric_encrypt(FILE *in, FILE *out, const u8 *key, const u8 *iv)
if (!fwrite(mac, sizeof(mac), 1, out))
fatal("error writing checksum to ciphertext file");
if (fflush(out))
fatal("error flushing to ciphertext file");
fatal("error flushing to ciphertext file -- %s", strerror(errno));
}
/**
@ -755,7 +755,7 @@ symmetric_decrypt(FILE *in, FILE *out, const u8 *key, const u8 *iv)
if (memcmp(buffer[0], mac, sizeof(mac)) != 0)
fatal("checksum mismatch!");
if (fflush(out))
fatal("error flushing to plaintext file");
fatal("error flushing to plaintext file -- %s", strerror(errno));
}
@ -785,13 +785,14 @@ write_pubkey(char *file, u8 *key)
{
FILE *f = fopen(file, "wb");
if (!f)
fatal("failed to open key file for writing -- %s", file);
fatal("failed to open key file for writing '%s' -- %s",
file, strerror(errno));
cleanup_register(f, file);
if (!fwrite(key, 32, 1, f))
fatal("failed to write key file -- %s", file);
fatal("failed to write key file '%s'", file);
cleanup_closed(f);
if (fclose(f))
fatal("failed to flush key file -- %s", file);
fatal("failed to flush key file '%s' -- %s", file, strerror(errno));
}
/* Layout of secret key file */
@ -859,13 +860,13 @@ write_seckey(char *file, const u8 *seckey, int iexp)
secfile = secure_creat(file);
if (!secfile)
fatal("failed to open key file for writing -- %s", file);
fatal("failed to open key file for writing '%s'", file);
cleanup_register(secfile, file);
if (!fwrite(buf, sizeof(buf), 1, secfile))
fatal("failed to write key file -- %s", file);
fatal("failed to write key file '%s'", file);
cleanup_closed(secfile);
if (fclose(secfile))
fatal("failed to flush key file -- %s", file);
fatal("failed to flush key file '%s' -- %s", file, strerror(errno));
}
/**
@ -876,9 +877,10 @@ load_pubkey(const char *file, u8 *key)
{
FILE *f = fopen(file, "rb");
if (!f)
fatal("failed to open key file for reading -- %s", file);
fatal("failed to open key file for reading '%s' -- %s",
file, strerror(errno));
if (!fread(key, 32, 1, f))
fatal("failed to read key file -- %s", file);
fatal("failed to read key file '%s'", file);
fclose(f);
}
@ -913,7 +915,8 @@ load_seckey(const char *file, u8 *seckey)
/* Read the entire file into buf. */
secfile = fopen(file, "rb");
if (!secfile)
fatal("failed to open key file for reading -- %s", file);
fatal("failed to open key file for reading '%s' -- %s",
file, strerror(errno));
if (!fread(buf, sizeof(buf), 1, secfile))
fatal("failed to read key file -- %s", file);
fclose(secfile);
@ -1230,7 +1233,8 @@ command_archive(struct optparse *options)
if (infile) {
in = fopen(infile, "rb");
if (!in)
fatal("could not open input file -- %s", infile);
fatal("could not open input file '%s' -- %s",
infile, strerror(errno));
}
outfile = dupstr(optparse_arg(options));
@ -1241,7 +1245,8 @@ command_archive(struct optparse *options)
if (outfile) {
out = fopen(outfile, "wb");
if (!out)
fatal("could not open output file -- %s", outfile);
fatal("could not open output file '%s' -- %s",
outfile, strerror(errno));
cleanup_register(out, outfile);
}
@ -1317,7 +1322,8 @@ command_extract(struct optparse *options)
if (infile) {
in = fopen(infile, "rb");
if (!in)
fatal("could not open input file -- %s", infile);
fatal("could not open input file '%s' -- %s",
infile, strerror(errno));
}
outfile = dupstr(optparse_arg(options));
@ -1333,7 +1339,8 @@ command_extract(struct optparse *options)
if (outfile) {
out = fopen(outfile, "wb");
if (!out)
fatal("could not open output file -- %s", infile);
fatal("could not open output file '%s' -- %s",
infile, strerror(errno));
cleanup_register(out, outfile);
}