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Use popen for eval_password (reintroduce old behavior)

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Old commit that implemented the old behavior:
bc9e6b79cd
This commit is contained in:
William Wennerström 2020-12-13 17:19:40 +01:00
parent 32cfea4bd2
commit 695a1d3c8c
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GPG Key ID: E1382990BEDD319B
1 changed files with 39 additions and 24 deletions
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63
src/config/account.c
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@ -36,6 +36,7 @@
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include <errno.h>
#include <glib.h>
@ -200,35 +201,49 @@ account_eval_password(ProfAccount* account)
assert(account != NULL);
assert(account->eval_password != NULL);
gchar* std_out = NULL;
gchar* std_err = NULL;
errno = 0;
gchar* argv[] = { "sh", "-c", account->eval_password, NULL };
if (!call_external(argv, &std_out, &std_err)) {
log_error("Password command failed with: %s", std_err);
g_free(std_out);
g_free(std_err);
FILE* stream = popen(account->eval_password, "r");
if (stream == NULL) {
const char* errmsg = strerror(errno);
if (errmsg) {
log_error("Could not execute `eval_password` command (%s).",
errmsg);
} else {
log_error("Failed to allocate memory for `eval_password` command.");
}
return FALSE;
}
if (!std_out || !std_out[0]) {
log_error("Password command returned empty output.");
g_free(std_out);
g_free(std_err);
return FALSE;
}
// Remove leading and trailing whitespace from command output.
gchar* password = g_strdup(std_out);
g_strstrip(password);
account->password = password;
g_free(std_out);
g_free(std_err);
account->password = g_malloc(READ_BUF_SIZE);
if (!account->password) {
log_error("Failed to allocate enough memory to read password command "
"output");
log_error("Failed to allocate enough memory to read `eval_password` "
"output.");
return FALSE;
}
account->password = fgets(account->password, READ_BUF_SIZE, stream);
if (!account->password) {
log_error("Failed to read password from stream.");
return FALSE;
}
int exit_status = pclose(stream);
if (exit_status > 0) {
log_error("Command for `eval_password` returned error status (%s).",
exit_status);
return FALSE;
} else if (exit_status < 0) {
log_error("Failed to close stream for `eval_password` command output "
"(%s).",
strerror(errno));
return FALSE;
};
// Remove leading and trailing whitespace from output.
g_strstrip(account->password);
if (!account->password) {
log_error("Empty password returned by `eval_password` command.");
return FALSE;
}