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Use POSIX return values and check them!

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git-svn-id: svn+ssh://svn.berlios.de/svnroot/repos/libssh/trunk@558 7dcaeef0-15fb-0310-b436-a5af3365683c
This commit is contained in:
Andreas Schneider
2009-04-19 08:44:35 +00:00
parent bfc428a0da
commit a1e154e9d5
1 changed files with 11 additions and 10 deletions
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21
libssh/keyfiles.c
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@@ -70,7 +70,7 @@ static int load_iv(char *header, unsigned char *iv, int iv_len) {
else if ((header[2*i] >= 'a') && (header[2*i] <= 'f'))
j = header[2*i] - 'a' + 10;
else
return 0;
return -1;
if ((header[2*i+1] >= '0') && (header[2*i+1] <= '9'))
k = header[2*i+1] - '0';
else if ((header[2*i+1] >= 'A') && (header[2*i+1] <= 'F'))
@@ -78,10 +78,10 @@ static int load_iv(char *header, unsigned char *iv, int iv_len) {
else if ((header[2*i+1] >= 'a') && (header[2*i+1] <= 'f'))
k = header[2*i+1] - 'a' + 10;
else
return 0;
return -1;
iv[i] = (j << 4) + k;
}
return 1;
return 0;
}
static u32 char_to_u32(unsigned char *data, u32 size) {
@@ -314,15 +314,16 @@ static int privatekey_dek_header(char *header, unsigned int header_len,
*mode = GCRY_CIPHER_MODE_CBC;
*key_len = 32;
*iv_len = 16;
} else {
return -1;
}
else
return 0;
*iv = malloc(*iv_len);
if (*iv == NULL) {
return 0;
return -1;
}
load_iv(header + iv_pos, *iv, *iv_len);
return 1;
return load_iv(header + iv_pos, *iv, *iv_len);
}
static BUFFER *privatekey_file_to_buffer(FILE *fp, int type,
@@ -364,8 +365,8 @@ static BUFFER *privatekey_file_to_buffer(FILE *fp, int type,
len = read_line(buf, MAXLINESIZE, fp);
if (len > 10 && !strncmp("DEK-Info: ", buf, 10))
{
if (!privatekey_dek_header(buf + 10, len - 10, &algo, &mode, &key_len,
&iv, &iv_len)
if ((privatekey_dek_header(buf + 10, len - 10, &algo, &mode, &key_len,
&iv, &iv_len) < 0)
|| read_line(buf, MAXLINESIZE, fp))
{
buffer_free(buffer);