<p>Philip Prindeville has uploaded this change for <strong>review</strong>.</p><p><a href="https://gerrit.asterisk.org/c/asterisk/+/19111">View Change</a></p><pre style="font-family: monospace,monospace; white-space: pre-wrap;">main/utils: allow checking for command in $PATH<br><br>ASTERISK-30037<br><br>Change-Id: I4b6f7264c8c737c476c798d2352f3232b263bbdf<br>---<br>M include/asterisk/utils.h<br>M main/utils.c<br>2 files changed, 56 insertions(+), 0 deletions(-)<br><br></pre><pre style="font-family: monospace,monospace; white-space: pre-wrap;">git pull ssh://gerrit.asterisk.org:29418/asterisk refs/changes/11/19111/1</pre><pre style="font-family: monospace,monospace; white-space: pre-wrap;"><span>diff --git a/include/asterisk/utils.h b/include/asterisk/utils.h</span><br><span>index 72deaa3..3c06e83 100644</span><br><span>--- a/include/asterisk/utils.h</span><br><span>+++ b/include/asterisk/utils.h</span><br><span>@@ -1105,4 +1105,14 @@</span><br><span> */</span><br><span> int ast_thread_is_user_interface(void);</span><br><span> </span><br><span style="color: hsl(120, 100%, 40%);">+/*!</span><br><span style="color: hsl(120, 100%, 40%);">+ * \brief Test for the presence of an executable command in $PATH</span><br><span style="color: hsl(120, 100%, 40%);">+ *</span><br><span style="color: hsl(120, 100%, 40%);">+ * \param cmd Name of command to locate.</span><br><span style="color: hsl(120, 100%, 40%);">+ *</span><br><span style="color: hsl(120, 100%, 40%);">+ * \retval True (non-zero) if command is in $PATH.</span><br><span style="color: hsl(120, 100%, 40%);">+ * \retval False (zero) command not found.</span><br><span style="color: hsl(120, 100%, 40%);">+ */</span><br><span style="color: hsl(120, 100%, 40%);">+int ast_check_command_in_path(const char *cmd);</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span> #endif /* _ASTERISK_UTILS_H */</span><br><span>diff --git a/main/utils.c b/main/utils.c</span><br><span>index 7d1d6bd..3ab6dc1 100644</span><br><span>--- a/main/utils.c</span><br><span>+++ b/main/utils.c</span><br><span>@@ -3216,3 +3216,38 @@</span><br><span> </span><br><span> return *thread_user_interface;</span><br><span> }</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+int ast_check_command_in_path(const char *cmd)</span><br><span style="color: hsl(120, 100%, 40%);">+{</span><br><span style="color: hsl(120, 100%, 40%);">+ char *token, *saveptr, *path = getenv("PATH");</span><br><span style="color: hsl(120, 100%, 40%);">+ char filename[PATH_MAX];</span><br><span style="color: hsl(120, 100%, 40%);">+ int len;</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ if (path == NULL) {</span><br><span style="color: hsl(120, 100%, 40%);">+ return 0;</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ path = ast_strdup(path);</span><br><span style="color: hsl(120, 100%, 40%);">+ if (path == NULL) {</span><br><span style="color: hsl(120, 100%, 40%);">+ return 0;</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ token = strtok_r(path, ":", &saveptr);</span><br><span style="color: hsl(120, 100%, 40%);">+ while (token != NULL) {</span><br><span style="color: hsl(120, 100%, 40%);">+ len = snprintf(filename, sizeof(filename), "%s/%s", token, cmd);</span><br><span style="color: hsl(120, 100%, 40%);">+ if (len < 0 || len >= sizeof(filename)) {</span><br><span style="color: hsl(120, 100%, 40%);">+ ast_log(LOG_WARNING, "Path constructed with '%s' too long; skipping\n", token);</span><br><span style="color: hsl(120, 100%, 40%);">+ continue;</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ if (access(filename, X_OK) == 0) {</span><br><span style="color: hsl(120, 100%, 40%);">+ ast_free(path);</span><br><span style="color: hsl(120, 100%, 40%);">+ return 1;</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ token = strtok_r(NULL, ":", &saveptr);</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+ ast_free(path);</span><br><span style="color: hsl(120, 100%, 40%);">+ return 0;</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span></span><br></pre><p>To view, visit <a href="https://gerrit.asterisk.org/c/asterisk/+/19111">change 19111</a>. 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<div style="display:none"> Gerrit-Project: asterisk </div>
<div style="display:none"> Gerrit-Branch: 18 </div>
<div style="display:none"> Gerrit-Change-Id: I4b6f7264c8c737c476c798d2352f3232b263bbdf </div>
<div style="display:none"> Gerrit-Change-Number: 19111 </div>
<div style="display:none"> Gerrit-PatchSet: 1 </div>
<div style="display:none"> Gerrit-Owner: Philip Prindeville <philipp@redfish-solutions.com> </div>
<div style="display:none"> Gerrit-MessageType: newchange </div>