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krb5: avoid sscanf for parsing

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Closes #10599
This commit is contained in:
Daniel Stenberg 2023-02-24 08:38:19 +01:00
parent 835682661c
commit 5ed7417d2f
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GPG Key ID: 5CC908FDB71E12C2
1 changed files with 4 additions and 4 deletions
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8
lib/krb5.c
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@ -721,8 +721,7 @@ int Curl_sec_read_msg(struct Curl_easy *data, struct connectdata *conn,
return 0;
if(buf[3] != '-')
/* safe to ignore return code */
(void)sscanf(buf, "%d", &ret_code);
ret_code = atoi(buf);
if(buf[decoded_len - 1] == '\n')
buf[decoded_len - 1] = '\0';
@ -765,8 +764,9 @@ static int sec_set_protection_level(struct Curl_easy *data)
pbsz = strstr(data->state.buffer, "PBSZ=");
if(pbsz) {
/* ignore return code, use default value if it fails */
(void)sscanf(pbsz, "PBSZ=%u", &buffer_size);
/* stick to default value if the check fails */
if(!strncmp(pbsz, "PBSZ=", 5) && ISDIGIT(pbsz[5]))
buffer_size = atoi(&pbsz[5]);
if(buffer_size < conn->buffer_size)
conn->buffer_size = buffer_size;
}