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Fixed comparison bug, cleanup and error handling.

This commit is contained in:
Armin Novak 2015-07-13 14:16:04 +02:00
parent 358289fb51
commit ca7c34ff35
1 changed files with 128 additions and 23 deletions
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151
libfreerdp/crypto/certificate.c
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@ -128,9 +128,27 @@ static int certificate_data_match_legacy(rdpCertificateStore* certificate_store,
if (!fp)
return match;
fseek(fp, 0, SEEK_END);
size = ftell(fp);
fseek(fp, 0, SEEK_SET);
if (fseek(fp, 0, SEEK_END) < 0)
{
WLog_ERR(TAG, "fseek(%s) returned %s [%08X]",
certificate_store->legacy_file, strerror(errno), errno);
fclose(fp);
return match;
}
if ((size = ftell(fp)) < 0)
{
WLog_ERR(TAG, "ftell(%s) returned %s [%08X]",
certificate_store->legacy_file, strerror(errno), errno);
fclose(fp);
return match;
}
if (fseek(fp, 0, SEEK_SET) < 0)
{
WLog_ERR(TAG, "fseek(%s) returned %s [%08X]",
certificate_store->legacy_file, strerror(errno), errno);
fclose(fp);
return match;
}
if (size < 1)
{
@ -178,20 +196,41 @@ static int certificate_data_match_legacy(rdpCertificateStore* certificate_store,
pline = StrSep(&data, "\r\n");
}
free(mdata);
/* Found a valid fingerprint in legacy file,
* copy to new file in new format. */
if (0 == match)
{
rdpCertificateData* data = certificate_data_new(hostname,
certificate_data->port,
NULL, NULL,
pline);
rdpCertificateData* data = certificate_data_new(
hostname,
certificate_data->port,
NULL, NULL,
certificate_data->fingerprint);
if (data)
{
free (data->subject);
free (data->issuer);
data->subject = NULL;
data->issuer = NULL;
if (certificate_data->subject)
{
data->subject = _strdup(certificate_data->subject);
if (!data->subject)
goto out;
}
if (certificate_data->issuer)
{
data->issuer = _strdup(certificate_data->issuer);
if (!data->issuer)
goto out;
}
match = certificate_data_print(certificate_store, data) ? 0 : 1;
}
out:
certificate_data_free(data);
}
free(mdata);
return match;
@ -204,7 +243,7 @@ static int certificate_data_match_raw(rdpCertificateStore* certificate_store,
{
BOOL found = FALSE;
FILE* fp;
int length;
size_t length;
char* data;
char* mdata;
char* pline;
@ -221,9 +260,27 @@ static int certificate_data_match_raw(rdpCertificateStore* certificate_store,
if (!fp)
return match;
fseek(fp, 0, SEEK_END);
size = ftell(fp);
fseek(fp, 0, SEEK_SET);
if (fseek(fp, 0, SEEK_END) < 0)
{
WLog_ERR(TAG, "fseek(%s) returned %s [%08X]",
certificate_store->file, strerror(errno), errno);
fclose(fp);
return match;
}
if ((size = ftell(fp)) < 0)
{
WLog_ERR(TAG, "ftell(%s) returned %s [%08X]",
certificate_store->file, strerror(errno), errno);
fclose(fp);
return match;
}
if (fseek(fp, 0, SEEK_SET) < 0)
{
WLog_ERR(TAG, "fseek(%s) returned %s [%08X]",
certificate_store->file, strerror(errno), errno);
fclose(fp);
return match;
}
if (size < 1)
{
@ -268,7 +325,7 @@ static int certificate_data_match_raw(rdpCertificateStore* certificate_store,
if (port == certificate_data->port)
{
found = TRUE;
match = strcmp(certificate_data->fingerprint, fingerprint);
match = (strcmp(certificate_data->fingerprint, fingerprint) == 0) ? 0 : -1;
if (fingerprint && fprint)
*fprint = _strdup(fingerprint);
if (subject && psubject)
@ -315,7 +372,7 @@ BOOL certificate_data_replace(rdpCertificateStore* certificate_store,
{
FILE* fp;
BOOL rc = FALSE;
int length;
size_t length;
char* data;
char* sdata;
char* pline;
@ -326,12 +383,26 @@ BOOL certificate_data_replace(rdpCertificateStore* certificate_store,
if (!fp)
return FALSE;
/* Read the current contents of the file. */
fseek(fp, 0, SEEK_END);
size = ftell(fp);
fseek(fp, 0, SEEK_SET);
if (size < 1)
if (fseek(fp, 0, SEEK_END) < 0)
{
WLog_ERR(TAG, "fseek(%s) returned %s [%08X]",
certificate_store->file, strerror(errno), errno);
fclose(fp);
return FALSE;
}
if ((size = ftell(fp)) < 0)
{
WLog_ERR(TAG, "ftell(%s) returned %s [%08X]",
certificate_store->file, strerror(errno), errno);
fclose(fp);
return FALSE;
}
if (fseek(fp, 0, SEEK_SET) < 0)
{
WLog_ERR(TAG, "fseek(%s) returned %s [%08X]",
certificate_store->file, strerror(errno), errno);
fclose(fp);
return FALSE;
}
@ -354,8 +425,10 @@ BOOL certificate_data_replace(rdpCertificateStore* certificate_store,
fp = fopen(certificate_store->file, "wb");
if (!fp)
if (fp == NULL)
{
WLog_ERR(TAG, "freopen(%s) returned %s [%08X]",
certificate_store->file, strerror(errno), errno);
free(data);
return FALSE;
}
@ -390,13 +463,25 @@ BOOL certificate_data_replace(rdpCertificateStore* certificate_store,
fingerprint = certificate_data->fingerprint;
rc = TRUE;
}
fprintf(fp, "%s %hu %s %s %s\n", hostname, port, fingerprint, subject, issuer);
if (fprintf(fp, "%s %hu %s %s %s\n", hostname, port, fingerprint, subject, issuer) < 0)
{
WLog_ERR(TAG, "fprintf(%s) returned %s [%08X]",
certificate_store->file, strerror(errno), errno);
fclose(fp);
return FALSE;
}
}
}
pline = StrSep(&sdata, "\r\n");
}
if (fflush(fp) != 0)
{
WLog_WARN(TAG, "fflush(%s) returned %s [%08X]",
certificate_store->file, strerror(errno), errno);
}
fclose(fp);
free(data);
@ -455,9 +540,29 @@ BOOL certificate_data_print(rdpCertificateStore* certificate_store, rdpCertifica
if (!fp)
return FALSE;
fprintf(fp, "%s %hu %s %s %s\n", certificate_data->hostname, certificate_data->port,
if (fseek(fp, 0, SEEK_END) < 0)
{
WLog_ERR(TAG, "fseek(%s) returned %s [%08X]",
certificate_store->file, strerror(errno), errno);
fclose(fp);
return FALSE;
}
if (fprintf(fp, "%s %hu %s %s %s\n", certificate_data->hostname, certificate_data->port,
certificate_data->fingerprint, certificate_data->subject,
certificate_data->issuer);
certificate_data->issuer) < 0)
{
WLog_ERR(TAG, "fprintf(%s) returned %s [%08X]",
certificate_store->file, strerror(errno), errno);
fclose(fp);
return FALSE;
}
if (fflush(fp) != 0)
{
WLog_WARN(TAG, "fflush(%s) returned %s [%08X]",
certificate_store->file, strerror(errno), errno);
}
fclose(fp);