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Fix possible NULL dereference issue in X509 cert_write program

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Signed-off-by: Waleed Elmelegy <waleed.elmelegy@arm.com>
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Waleed Elmelegy 2023-10-12 14:19:25 +01:00
parent e7ebec6723
commit 476c1198e8
1 changed files with 3 additions and 0 deletions
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3
programs/x509/cert_write.c
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@ -583,6 +583,9 @@ usage:
if ((subtype_value = strchr(q, ':')) != NULL) { if ((subtype_value = strchr(q, ':')) != NULL) {
*subtype_value++ = '\0'; *subtype_value++ = '\0';
} else {
mbedtls_printf("Invalid argument for option SAN: Entry should be seperated by a colon\n");
goto usage;
} }
if (strcmp(q, "RFC822") == 0) { if (strcmp(q, "RFC822") == 0) {
cur->node.type = MBEDTLS_X509_SAN_RFC822_NAME; cur->node.type = MBEDTLS_X509_SAN_RFC822_NAME;