Date: Sat, 27 Jul 2024 11:56:22 GMT From: Christos Margiolis <christos@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: 8ca73331ef81 - main - mixer(8): Make mute and recsrc argument parsing more robust Message-ID: <202407271156.46RBuMos039801@gitrepo.freebsd.org>
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The branch main has been updated by christos: URL: https://cgit.FreeBSD.org/src/commit/?id=8ca73331ef810cd0e0b9e3c37cddc1d89fbe8c6b commit 8ca73331ef810cd0e0b9e3c37cddc1d89fbe8c6b Author: Christos Margiolis <christos@FreeBSD.org> AuthorDate: 2024-07-27 11:55:09 +0000 Commit: Christos Margiolis <christos@FreeBSD.org> CommitDate: 2024-07-27 11:55:09 +0000 mixer(8): Make mute and recsrc argument parsing more robust For the deprecated argument interfaces of the mute (1, 0, ^) and recsrc (+, -, =, ^) controls, we only check the first character of the argument, which means that an argument such as "vol.mute=10" would be valid. Fix this by checking the whole argument string. Sponsored by: The FreeBSD Foundation MFC after: 2 days Reviewed by: dev_submerge.ch Differential Revision: https://reviews.freebsd.org/D45973 --- usr.sbin/mixer/mixer.c | 21 ++++++++++++++------- 1 file changed, 14 insertions(+), 7 deletions(-) diff --git a/usr.sbin/mixer/mixer.c b/usr.sbin/mixer/mixer.c index 07dd16536495..109d3ad09bc5 100644 --- a/usr.sbin/mixer/mixer.c +++ b/usr.sbin/mixer/mixer.c @@ -426,11 +426,14 @@ mod_mute(struct mix_dev *d, void *p) m = d->parent_mixer; cp = mixer_get_ctl(m->dev, C_MUT); val = p; - if (strncmp(val, "off", strlen(val)) == 0 || *val == '0') + if (strncmp(val, "off", strlen(val)) == 0 || + strncmp(val, "0", strlen(val)) == 0) opt = MIX_UNMUTE; - else if (strncmp(val, "on", strlen(val)) == 0 || *val == '1') + else if (strncmp(val, "on", strlen(val)) == 0 || + strncmp(val, "1", strlen(val)) == 0) opt = MIX_MUTE; - else if (strncmp(val, "toggle", strlen(val)) == 0 || *val == '^') + else if (strncmp(val, "toggle", strlen(val)) == 0 || + strncmp(val, "^", strlen(val)) == 0) opt = MIX_TOGGLEMUTE; else { warnx("%s: no such modifier", val); @@ -459,13 +462,17 @@ mod_recsrc(struct mix_dev *d, void *p) m = d->parent_mixer; cp = mixer_get_ctl(m->dev, C_SRC); val = p; - if (strncmp(val, "add", strlen(val)) == 0 || *val == '+') + if (strncmp(val, "add", strlen(val)) == 0 || + strncmp(val, "+", strlen(val)) == 0) opt = MIX_ADDRECSRC; - else if (strncmp(val, "remove", strlen(val)) == 0 || *val == '-') + else if (strncmp(val, "remove", strlen(val)) == 0 || + strncmp(val, "-", strlen(val)) == 0) opt = MIX_REMOVERECSRC; - else if (strncmp(val, "set", strlen(val)) == 0 || *val == '=') + else if (strncmp(val, "set", strlen(val)) == 0 || + strncmp(val, "=", strlen(val)) == 0) opt = MIX_SETRECSRC; - else if (strncmp(val, "toggle", strlen(val)) == 0 || *val == '^') + else if (strncmp(val, "toggle", strlen(val)) == 0 || + strncmp(val, "^", strlen(val)) == 0) opt = MIX_TOGGLERECSRC; else { warnx("%s: no such modifier", val);
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