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sispmctl
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main: write error if password cannot be read 

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
This commit is contained in:
Heinrich Schuchardt 2020-03-15 11:02:53 +00:00
parent 7975bae2f0
commit 29a910069e
1 changed files with 6 additions and 1 deletions
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7
src/main.c
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@ -56,6 +56,7 @@ static void read_password(void)
const char filename[] = "/etc/sispmctl/password";
char buf[BUFSIZE];
char *pos;
size_t len;
file = fopen(filename, "r");
if (!file) {
@ -67,7 +68,11 @@ static void read_password(void)
return;
}
memset(buf, 0, BUFSIZE);
fread(buf, 1, BUFSIZE - 1, file);
len = fread(buf, 1, BUFSIZE - 1, file);
if (!len) {
fprintf(stderr, "Failed to read password\n");
exit(EXIT_FAILURE);
}
pos = strchr(buf, '\n');
if (pos) {
*pos = '\0';