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examples: Use separate variable for fd

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Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Eshan Kelkar <eshankelkar@galorithm.com>
This commit is contained in:
Jakub Jelen
2026-03-16 18:20:25 +01:00
parent 45b1d85fb0
commit 6f671919ad
1 changed files with 13 additions and 14 deletions
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27
examples/keygen2.c
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@@ -322,7 +322,7 @@ list_fingerprint(char *file)
int main(int argc, char *argv[])
{
ssh_key key = NULL;
int rc = 0;
int rc = 0, fd;
char overwrite[1024] = "";
char *pubkey_file = NULL;
@@ -361,15 +361,15 @@ int main(int argc, char *argv[])
}
errno = 0;
rc = open(arguments.file, O_CREAT | O_EXCL | O_WRONLY, S_IRUSR | S_IWUSR);
if (rc < 0) {
fd = open(arguments.file, O_CREAT | O_EXCL | O_WRONLY, S_IRUSR | S_IWUSR);
if (fd < 0) {
if (errno == EEXIST) {
printf("File \"%s\" exists. Overwrite it? (y|n) ", arguments.file);
rc = scanf("%1023s", overwrite);
if (rc > 0 && tolower(overwrite[0]) == 'y') {
rc = open(arguments.file, O_WRONLY);
if (rc > 0) {
close(rc);
fd = open(arguments.file, O_WRONLY);
if (fd > 0) {
close(fd);
errno = 0;
rc = chmod(arguments.file, S_IRUSR | S_IWUSR);
if (rc != 0) {
@@ -391,7 +391,7 @@ int main(int argc, char *argv[])
goto end;
}
} else {
close(rc);
close(fd);
}
/* Generate a new private key */
@@ -451,24 +451,23 @@ int main(int argc, char *argv[])
pubkey_file = (char *)malloc(strlen(arguments.file) + 5);
if (pubkey_file == NULL) {
rc = ENOMEM;
goto end;
}
sprintf(pubkey_file, "%s.pub", arguments.file);
errno = 0;
rc = open(pubkey_file,
fd = open(pubkey_file,
O_CREAT | O_EXCL | O_WRONLY,
S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
if (rc < 0) {
if (fd < 0) {
if (errno == EEXIST) {
printf("File \"%s\" exists. Overwrite it? (y|n) ", pubkey_file);
rc = scanf("%1023s", overwrite);
if (rc > 0 && tolower(overwrite[0]) == 'y') {
rc = open(pubkey_file, O_WRONLY);
if (rc > 0) {
close(rc);
fd = open(pubkey_file, O_WRONLY);
if (fd > 0) {
close(fd);
errno = 0;
rc = chmod(pubkey_file,
S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
@@ -491,7 +490,7 @@ int main(int argc, char *argv[])
goto end;
}
} else {
close(rc);
close(fd);
}
/* Write the public key */